G240 Depliant

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G 240 4/5/6/7G 240 4/5/6/7G 240 4/5/6/7G 240 4/5/6/7

MOULDER MOULDER MOULDER MOULDER

Code Language3650142 004 GB

_________________________________________________________________________________________________________________

INSTRUCTIONSINSTRUCTIONSINSTRUCTIONSINSTRUCTIONS 10101010/0/0/0/09999 SPARE PARTS SPARE PARTS SPARE PARTS SPARE PARTS

GRIGGIOGRIGGIOGRIGGIOGRIGGIO WOODWORKING MACHINERY WOODWORKING MACHINERY WOODWORKING MACHINERY WOODWORKING MACHINERY

Via Ca' Brion, 40 – 35011 Reschigliano (PD) ITALYTel. ++39 049 9299711 Fax ++39 049 9201433

http://www.griggio.com E-mail:[email protected]

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CONTENTS

1. SKILLED PERSONNEL .................... ..................... ..............3 2. MACHINE IDENTIFICATION................... ...................... ......3 3. GUARANTEE.......................................................................3 4. MACHINE STORAGE AND OPERATING ENVIRONMENT.3 5. UNLOADING AND POSITIONING...................... .................3 6. TECHNICAL DATA .................... ..................... .....................4

6.1. TECHNICAL FEATURES G 240 P4 .................... .................4 6.2. TECHNICAL FEATURES G 240 P5 .................... .................5 6.3. TECHNICAL FEATURES G 240 P5U...................................7 6.4. TECHNICAL FEATURES G 240 P6 .................... .................7 6.5. TECHNICAL FEATURES G 240 P 6U.................... ..............9 6.6. TECHNICAL FEATURES G 240 P 7U.................... ..............9 6.7. ELECTRICAL CONNECTION.................. ...................... ....11 6.8. PNEUMATIC FEED ................... ..................... ...................11 6.9. SUCTION...........................................................................11 6.10. NOISE PRODUCTION VALUES..................... ...................11 7. DUST PRODUCTION .................... ..................... ...............12 8. OPERATING INSTRUCTIONS .................... ..................... .12 8.1. OPERATORS’ TRAINING..................................................12 9. SAFETY WARNINGS .................... ..................... ...............13 10. TOOL ASSEMBLY.............................................................14 11. PREPLANER TABLE AND INFEED FENCE......................15 12. GENERAL ADJUSTMENT OF THE MECHANICAL

DIGITAL INDICATOR .................... ..................... ...............15 13. FIRST LOWER PLANER SHAFT ADJUSTMENT ..............15 14. RIGHT-HAND VERTICAL PLANER SHAFT ADJUSTMENT

(SECOND SHAFT).............................................................15 15. LEFT-HAND VERTICAL PLANER SHAFT ADJUSTMENT

(THIRD SHAFT).................................................................16 16. UPPER HORIZONTAL PLANER SHAFT ADJUSTMENT

(FOURTH SHAFT).............................................................16

17. SECOND LOWER PLANER SHAFT ADJUSTMENT ......... 17 18. UNIVERSAL SHAFT ADJUSTMENT................... .............. 17 19. LOWER ROLLER UNDERTABLE ADJUSTMENT............. 18 20. FEEDING DEVICE ADJUSTMENT....................................18 21. CLEANING AND LUBRICATING. .................... .................. 18 22. BELT TENSIONING AND REPLACEMENT.......................19

23. MACHINE STARTING AND STOPPING............................19 24. FEEDING BY INVERTER ...................... ..................... .......21 25. ELECTRONIC DISPLAY MODEL TC-501B .................... ...21 25.1. SPECIFICATIONS.............................................................21 25.2. FEATURES ..................... ...................... ..................... .......21 25.3. MAIN PANEL ILLUMINATION .................. ...................... ...22 25.4. MANIPULATION PROCEDURE ................... ..................... 22 25.4.1. PARAMETERS SETUP ..................... ..................... ........... 22 25.4.2. CURRENT VALUE SETTING: .................. ...................... ...23 25.4.3. CLEAR CURRENT VALUE:...............................................24 25.4.4. ADDING 0.01 TO CURRENT VALUE (OR ADDING

CONTINUOUSLY)...................... ..................... .................. 24 25.4.5. REDUCING 0.01 TO CURRENT VALUE (OR REDUCING

CONTINUOUSLY)...................... ..................... .................. 25 25.5. CONNECTION SKETCH MAP...........................................25 25.6. REFERENCE TABLE FOR PARAMETERS SETTING.......26 25.7. MAXIMAL EXTERIOR SIZE AND INSTALLING SIZE........26 26. TROUBLESHOOTING.......................................................27 27. PROBLEM - PROBABLE CAUSE - CURE.........................27 27.1. PROBLEMS WITH THE CUTTER......................................28 27.2. ELECTRIC PROBLEMS .................... ..................... ........... 29 28. LIST OF NORMALLY REPLACED STANDARD

COMPONENTS.................................................................29 28.1. BEARING LIST..................................................................29

Read this instruction manual carefully prior to installing the machine. Do not postpone learning these instructionsonce you have already started using the machine; do not allow unauthorized and untrained operators to work on themachine. Documents containing operating instructions should be kept in an easily accessible place for futurereference.

IMPORTANT:FOR A BETTER UNDERSTANDING OF THIS MANUAL, ATTENTION SHOULD BE PAID TO THE SYMBOLS

SHOWN BELOW.

This symbol refers toinformation which should be observed in order to avoid possible risks and/ordangers

This symbol refers toinformation on the machine itself or instructions for its correct operation

This symbol refers to

operations to be carried out on electrical/electronic components or on live parts

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For a better understanding of this manual, attention should be paid to the symbols shown below.

No. Symbol Meaning

1 When closing the safety cover, pay attention to your fingers

2 Voltage inside! Danger!

3 Electrical shock! Danger!

4

Attention

Open switchboard onlywhen main switch is inposition O

Pneumatic Power sourcehaven’t been cut off after mainswitch is disconnected

Make sure that electrical and air supply are disconnected at thesame time.

5 Use the protective cover while the machine is running.

6 Use the safety cover while the machine is running.

7 Beware of trapping fingers while parts are rotating.

8

Attention

FEED CAN WORK ONLY AFTER

ALL OF SHAFTS START UP

ATTENTION: FEED CAN WORK ONLY AFTER

ALL OF SHAFTS START UP

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1. SKILLED PERSONNEL

With qualified personnel are meant those persons who apply to the characteristics described in point C.2,chapter 7 " Advice For Use"

IMPORTANTRead this instruction manual thoroughly before starting to set up the machine. Do not stop learning these conceptsuntil you are working and do not allow unskilled or unsuitably trained people work with the machine.For future reference the documents containing the instructions for use must be kept in a place where theymay be easily found for consultation.

2. MACHINE IDENTIFICATION

This instruction manual for use and maintenance refers to4 SPINDLES PLANER

The machine identification plate, stating name and address of the manufacturer, serial number, technical data on themotors installed, model, MAX weight is fixed to the rear base of the machine.

3. GUARANTEE

It is advisable not to carry out any repair or job not stated in this instruction manual.All operations (e.g. disassembly - repair of parts of the machine) marked by the symbol under the title must be carriedout only either by the manufacturer's technicians or by technicians appointed by the manufacturer.The manufacturer offers a six-monthl guarantee, which starts from the time when the machine is started up on theuser's premises.The manufacturer's guarantee does not cover any the electrical part.

4. MACHINE STORAGE AND OPERATING ENVIRONMENT

The machine should be used in environments with the following characteristics:

a) Room temperature ranging 5°to 40°. b) Relative moisture ranging 30% to 95%. c) The machine can be used in locations up to 1000 metres above sea level.d) Storage and transport temperature: -25~55°. e) Store in a roofed area.

5. UNLOADING AND POSITIONING

Before unloading the machine, check the weights to be lifted reported in the table of the technical features, (seeContents), then remove everything is on the machine that might hinder the unloading operation.Unload the machine by a crane and sling it either with robust ropes and steel cables as shown in figure 1-2, or with afork lift truck to be placed under the base (Fig. 1/A). These means shall have a capacity higher than the global weightto unload. To protect the paint from the rope friction, put rags between the ropes and the machine.Lift slowly, check the machine balance, lay gently.Use rollers to carry the machine to the work station.Put the machine in the position marked in the working area, placing it where the connection to the electric line is theeasiest, and near a coupling of the chip suction plant.

While machining long pieces, pay attention not to cause any crush danger between the machine and the fixed parts ofthe surrounding area.A min distance of 800 mm is required between the back side of the cover and the wall.

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The machine has to be steady and solidly anchored to obtain the best performance.

Base plate for the installation: Installation and anchoring of this machine does not normally require foundation bolts. Ifrequired, Fig. 2- 2A – 2B shows the sizes of 8 foundation bolts. Check levelling until the base plate rests on a flat surface: insert shims (2) under the adjusting screw (1) Fig. 3- Place a gauge (4) on the machine table, preferably in the machine central part.Adjust the machine using adjusting screw (1); error tolerance is ± 0.1mm/mAnchor the machine to the floor by fitting expansion bolts in the holes in the support platforms .

6. TECHNICAL DATA

6.1. TECHNICAL FEATURES G 240 P4

NO. Item Unit Technicalparameter

Width mm 20-230 (for thecutter diameter <Ø130mm)

1 Size of workpiece

Thickness mm 8-160 (for thecutter diameter <

160mm)

2 Feeding speed m min-1 6-24

Length mm 20003 Infeed table

Height adjustment mm 10

4 Adjustable distance for pre-planer fence mm 10

5 Adjustable distance for outfeed table (pad addition) mm Max. 1

Speed r min-1 6000

Planer shaft diameter mm Ø 40

Tools min/max diameter mm Ø 110 - Ø 145

Profile cutter maxlength

mm 250 (includingshaving millingmachine)

Shaving millingmachine OD

mm 20mm larger thanprofile cutter

Shaving millingmachine thickness

mm 12

Max removal mm 10

Vertical movement Horizontal movement

mm mm

2020

6 Il 1st lower horizontal planer shaft

Motor power kW (HP) 5,5 (7,5)

Speed r min-1 6000

Planer shaft diameter mm Ø 40 2

nd shaft tools min/max

diameter mm Ø 125 - Ø 200

3rd

shaft tools min/maxdiameter

mm Ø 110 - Ø 200

Milling cutter maxlength

mm 180

Max removal mm 10


mm mm

4060

7 2nd and 3rd vertical planer shaft

Motor power kW (HP) 2×5.5 (2x7.5)

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Speed r min-1 6000



Milling cutter max length mm 240

Max removal mm 10Vertical movement

Horizontal movement mm mm

16040

8 4th upper horizontal planer shaft

Motor power kW (HP) 7.5 (10)

Upper steel roller OD/ID

mm Ø 140/Ø 35

Upper rubber roller OD/ID

mm Ø 140/Ø 35

Steel feeding roller (lower)OD/ID

mm Ø 96/Ø 25

9 Feeding nip roller

Lower roller wheel OD / Length

mm Ø 96/253

10 Motor power when feeding kW (HP) 3 (4)11 Motor power when lifting feeding beam kW (HP) 1.1 (1.5)

12 Chips conveying pipe OD/ID mm Ø 150/Ø 138

13 Total motor power (4 shafts) kW (HP) 28.1 38

14 Dimension 4 shafts (length x width x height) mm 3720×1750×1700

15 Weight (4 shafts) kg 2750



Width mm20-230 (for thecutter diameter <Ø130mm)

1 Size of workpiece

Thickness mm8-160 (for thecutter diameter <160mm)

2 Feeding speed m min-1

6-30





Speed r min-1

6000



Profile cutter max length mm250 (includingshaving millingmachine)

Shaving milling machine OD mm20mm larger thanprofile cutter

Shaving milling machinethickness

mm 12

Max removal mm 10Vertical movementHorizontal movement

mmmm

2020

61st lower horizontal planer shaft


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Speed r min-1 6000


2nd


mm Ø 125 - Ø 200

3rd

shaft tools min/max

diameter

mm Ø 110 - Ø 200

Milling cutter length mm 180

Max removal mm 10


mm mm

4060



Speed r min-1 6000




Max removal mm 10


mm mm

16040

8 4th upper horizontal planer shaft

5°lower horizontal planer shaft

Motor power kW (HP) 2x7,5 (2x10)

Upper steel roller OD/ID mm Ø 140/Ø 35 Upper rubber roller OD/ID mm Ø 140/Ø 35 Lower steel feeding rollerOD/ID

mm Ø 96/Ø 25 9 Feeding nip roller

Lower roller wheel OD/Length mm Ø 96/253

10 Motor power when feeding kW (HP) 3 (4)

11 Motor power when lifting feeding beam kW (HP) 1,1 (1,5)


13 Total motor power (5 shafts) kW (HP) 35.6 (48)

14 Dimension with 5 shafts (length x width x height) mm 3900x1730x1800


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6.3. TECHNICAL FEATURES G 240 P5UN.B. FOR OTHER TECHNICAL SPECIFICATIONS, PLEASE SEE G 240 P5


Speed r min-1 6000

Planer shaft diameter

mm

Ø 40



Max removal mm 10


mm mm

16040

14

th upper horizontal planer shaft

Motor power kW (HP) 7,5 (10)Speed r min

-1 6000

Planer shaft diameter mm Ø 40 Tools min/max diameter mm Ø 110 - Ø 200 Milling cutter max length mm 200

Max removal mm 10Vertical movement Horizontal movement

mm mm

400410

Rotation 0° - 90°

2 5°universal planer shaft

Motor power kW (HP) 7,5 (10)3 Dimension with 5 shafts (length x width x height) mm 4600x1730x1800 4 Weight (5 shafts) kg 4050



Width mm 20-230 (for the cutterdiameter < Ø130mm)

1 Size of workpiece Thickness mm

8-160 (for the cutterdiameter < 160mm)

2 Feeding speed m min-1 6-30





Speed r min-1 6000Planer shaft diameter mm Ø 40 Tools min/max diameter mm Ø 110 - Ø 145

Profile cutter max length mm 250 (includingshaving millingmachine)

Shaving milling machineOD

mm 20mm larger thanprofile cutter


mm 12

Max removal mm 10


mm mm

2020

6 1st lower horizontal planer shaft


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Speed r min-1 6000


2nd


mm Ø 125 - Ø 200

3rd

shaft tools min/max

diameter

mm Ø 110 - Ø 200


Max removal mm 10


mm mm

4060



Speed r min-1 6000




Max removal mm 10


mm mm

16040

8 4th and 5th shaft upper horizontal planer shafts


Speed r min-1 6000





mm mm

16040

96°shaft lower horizontal planer shaft

Motor power kW (HP) 5,5 (7.5)Upper steel roller OD/ID mm Ø 140/Ø 35 Upper rubber roller OD/ID mm Ø 140/Ø 35 Lower steel feedingroller…….OD/ID

mm Ø 96/Ø 25 10 Feeding nip roller

Lower roller wheelOD/Length

mm Ø 96/253

11 Motor power when feeding kW (HP) 4 (5.5)



14 Total motor power (6 shafts) kW (HP) 42.1 57.2



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6.5. TECHNICAL FEATURES G 240 P 6UN.B. FOR OTHER TECHNICAL SPECIFICATIONS, PLEASE SEE G 240 P6


Speed r min-1 6000




Max removal mm 10


mm mm

400410

Rotation 0° - 90°

1 6th universal planer shaft

Motor power kW (HP) 7,5 (10)



6.6. TECHNICAL FEATURES G 240 P 7U


Width mm 20-230 (for thecutter Ø <Ø130mm)

1 Size of workpiece

Thickness mm 8-160 (for thecutter Ø <

160mm) 2 Feeding speed m min

-1 6-30





Speed r min-1 6000



Profile cutter max length mm 250 (includingshaving millingmachine)

Shaving milling machine OD mm 20mm larger thanprofile cutter


mm 12

Max removal mm 10


mm mm

2020

6 1st lower horizontal planer shaft


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Speed r min-1 6000


2nd

shaft tools min/max diameter mm Ø 125 - Ø 200

3rd

shaft tools min/max diameter mm Ø 110 - Ø 200



mm mm

4060


Motor power kW (HP) 2×5,5 (2x7,5)

Speed r min-1 6000




Max removal mm 10

Vertical movement

Horizontal movement

mm

mm

160

40

84th and 5th shaft upper horizontal planer shafts


Speed r min-1 6000




Max removal mm 10


mm mm

16040

96°shaft lower horizontal planer shaft

Motor power kW (HP) 5,5 (7.5)

Speed r min-1 6000




Max removal mm 10


mm mm

400410

Rotation 0°- 90°

107°shaft universal planer shaft

Motor power kW (HP) 7,5 (10)

Upper steel roller OD/ID

mm

Ø 140/Ø 35

Upper rubber roller OD/ID mm Ø 140/Ø 35 Lower steel feeding roller OD/ID mm Ø 96/Ø 25

11 Feeding nip roller

Lower roller wheel OD/Length mm Ø 96/253

12 Motor power when feeding kW (HP) 4 (5,5)



15 Total motor power (6 shafts) kW (HP) 42.1 57.2



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6.7. ELECTRICAL CONNECTION

The connection of the machine to the main power must be carried out by a skilled electrician in accordance with thespecifications of the standards in force.Turn the main switch to "0".

Ensure that the main power line is not under tension before starting to connect the machine.The manufacturer of the machine is not responsible for general protection against short circuit.The user must connect the machine to the power line, fitting a set of three fuses. For this purpose the following tableshows the recommended values of the fuses which had better be type SIEMENS 5SB NEOZED, depending on thepower absorbed by the machine and the line voltage.The same table recommends the minimum wire section to be used for connection. The wire entry is on the rear ofthe machine.- The conductors must be connected to the terminals marked:

L1 - L2 - L3and the yellow and green earth wire to the terminal:

PEA good earth socket is recommended.

The neutral lead is not connected.

Start the machine for a few seconds to ensure that the tool is turning in the direction indicated by the arrows on theplate of the casing. If not, switch off the machine, disconnect the power and invert the two phases.

6.8. PNEUMATIC FEED

Pneumatic feed: dry, filtered and lubricated compressed air. Pressure used must be by 0,5~0,8 Mpa. Forconnection use a plastic pipe by 8mm outer diameter.

6.9. SUCTION

Before starting up the machine, connect it to a suction hood. The connection has to be done in such a way that themachine automatically activates the suction hood.For instance, an induction coil can be installed on a supply cable properly connected to the electric system of thesuction hood. The user will be charged for this modification and has to ask a skilled electrician to carry it out..With 4-shaft machines connected to 4 flexible hoses (150 mm inner diameter, hardly inflammable type), the suctionplant should provide a capacity of at least 8740 m

³ /h.

With 5-shaft machines connected to 5 flexible hoses (150 mm inner diameter, hardly inflammable type), the suctionplant should provide a capacity of at least 10925 m

³ /h.

With 6-shaft machines connected to 6 flexible hoses (150 mm inner diameter, hardly inflammable type), the suctionplant should provide a capacity of at least 13110 m

³ /h.

Suction speed should be at least 30-34 m/sec.

6.10. NOISE PRODUCTION VALUES

- NOISE PRODUCTION LEVEL:LWA=85,1dB 4 spindlesLWA=85,9dB 5 spindlesLWA=86,7dB 6 spindles

- ENVIRONMENTAL FACTOR K = 2 dB (A)

Attention!Prolonged exposure to a level higher than 85 dB (A) may cause damage to your health; users are alwaysrecommended to make use of suitable personal protection systems (e.g. headphones , ear plugs).The values shown are production levels and are not necessarily levels for safe working. While there is arelationship between production levels and exposure levels, this may not be used reliably to determine whether anyfurther precautions are necessary. Factors which influence the real level of exposure for workers include the

duration of exposure, the characteristics of the buildings, other sources of dust and noise etc., for example thenumber of machines and other processes being carried out nearby. The allowed level of exposure may also varyfrom one country to another. Anyway, this information will enable the user to make a better assessment of thedangers and risks involved.

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7. DUST PRODUCTION

In this type of machine the only material harmful for our health is sawdust.Dust production has been checked by Fachausschuß Holz and is clearly below the currently allowed limit value of 2mg/m

3.

- DUST CHECK

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The operator needs to be informed of the noise levels the ordinary utilization of the machine generates, and of thefactors affecting the exposure to the noise. These factors consist of:- right tool choice- right speed choice;- tool and machine maintenance;- type of material to be machined;- importance and utilization of all necessary fences;- right use of the hearing protectors.

9. SAFETY WARNINGS

If you do not comply with the safety warnings or use the machine improperly, you are responsible for therisk of accident for yourselves and for other people.

♦ This machine has been manufactured to be commonly used in a joinery and to guarantee the greatest safetyalong with the best performances; nonetheless, the greatest safety depends on you.

♦ Do not forget that the use of any machine-tool involves certain risks.

♦ In case a fire breaks out, do not use water to extinguish the flames; use only powder type fire extinguishers.

♦ Pay the greatest attention before beginning any work.

♦ Work only when guards are correctly positioned and perfectly efficient.♦ If you stop the machine to adjust or disassemble some of its components, position main switch Q1 onto

position “0”

♦ Stop the machine completely before cleaning it and before removing any guard for servicing through mainswitch Q1.

♦ The overall cleaning of the machine, the workbench and the surrounding floor, is greatly responsible for safety.

♦ Since some objects can cause serious accidents, always take off your rings, your watch, your bracelets; buttonup your cuffs; take off your tie, which can entangle in the most various places; gather your hair properly; useaccident-preventing shoes, as worldwide recommended.

♦ Always make use of eye protectors.

♦ Never work too long or too short pieces for the machine capacity; only pieces correctly borne and safely drivenby the machine can be worked.

♦ The working cycle has to be started only when the tool holder shaft rotates at its highest speed.If any drawback occurs, stop the machine immediately. Do not move away chips or splinters while the piece tobe machined is being fed.

♦ Never use cracked and deformed tools.

♦ Never use tools at a higher speed than the values reported on themselves and in the tables applied on themachine.

♦ Make sure that rotating tools are perfectly balanced, sharpened, keyed and clamped.

♦ Before assembling any tool in its seat or shaft, make sure that the supporting surfaces are clean, perfectly flatand without any dent.

♦ Never start up the machine before having properly installed all casings on tools, belts, chains, etc.

♦

Clamp to the prescribed couple screws, bolts or ring nuts, having care to respect the ordinary clamping valuesand not to use levers or striking on the wrenches.

SAFETY INSTRUCTIONS

♦ The machine connection to the mains has to be done by a skilled technician.

♦ Any operation concerning the electric system is to be done by an electrotechnician.

♦ Any adjusting or equipping operation has to be done when tools are standstill.♦ To avoid jamming, move the main switch onto “0” and wait until tools come to a complete stop.

♦ Brake motor machines are fitted with a long duration braking device. If braking time is higher than the oneprescribed, for any adjustment see the section about the brake motor.

♦ In order to guarantee a safe and efficient working, use tools appropriate to the material to be machined.

♦ The tool must turn in the right direction of rotation. The operator has to be sure that the machine works in thedesired direction, and that the material is fed in the direction opposite to the shaft rotation.

♦ Provide for a safe control of the piece to be machined (see section EXAMPLES MACHINING TYPES).♦ Carefully check each wooden piece condition before operating. Pieces can dangerously turn back if they have

knots, splittings or foreign objects, such as rivets.

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10. TOOL ASSEMBLY

Tools shall be manufactured in conformity with the European Standard pr EN 847-1.On tools to be used on machines with integrated feeding must be marked permanently and clearly with:- the manufacturer’s name or the trade-mark;- outside diameter x cutting length x hole diameter;- allowed speed area;- MEC;

- year of manufacturing (it can be a code).

- Make sure that the tool in use is chosen, sharpened, maintained and adjusted in conformity with the directions ofthe tool manufacturer.

- Tools have to be sharpened and properly assembled with tools and supports carefully balanced.- Take the necessary precautions while handling the tools; use gauntlets as often as you can.- The tools made of only one material must not have any flaw.- The tools and their components have to be fastened so that they do not loosen while operating.- Screws and locking nuts have to be tightened to the couple prescribed by the manufacturer through appropriatetools.

- Implement extensions and hammer clamping are not allowed.- The clamping surfaces have to be free from dirt, grease, oil and water.- The use of detachable rings or tool bushes is allowed only if they are supplied by the manufacturer.

- Remove resin from light metal alloy tools only with solvents not etching aluminium.- Precaution is needed while repairing tools for wood machining.- The design of complex tools (with built-up cutting edges) has not to be altered during repair.- Compound tools have to be repaired only by skilled and trained technicians who must know the design featuresas well as the safety level to be reached.

- Tool repair will include the utilization of spare parts according to the specifications of the original parts suppliedby the manufacturer.

- For one-piece tools, take the necessary precautions so that the regrinding of the cutting edge does not weakenthe body of the tool and the edges connection on the body.

For assembly proceed as follows:- Position the starting switches on "0".- Position the main switch on “0” and lock it.

- Assemble tool (Fig. 6-7)(3) on shaft (1), using spacer rings (2) if necessary.- Screw snap ring (4) and fasten with double head spanner (5/6) holding part (6) and turning part (5) clockwise.- To assemble shaving milling cutter (Fig. 7)(7) on the preplaner shaft follow the above-mentioned instructions, notforgetting to offset the cutting edges of the milling cutter with those of the tool.

- Replace all guards of the chip suction hoods.- Make sure that the tool is properly assembled with regard to the shaft direction of rotation.

To change cutters, loosen locking screws of wedge (Fig. 6)(1), so that springs push the cutter upwards; thenremove the cutter in axial direction.After setting up the new cutter, install the tool on the adjusting device. To guarantee a perfect parallelism to the table,it is sufficient to put the cutter on the adjuster reference line (Fig. 6A)(1) and proceed as follows:- screw clamp screws (Fig. 6)(2) first moderately, then with greater strength, starting from the central screws, thenalternatively from one end to another; do not use extensions or hammers; use wrench only. Repeat until you have

changed all cutters. Once cutters have been replaced or sharpened, check that the thickness corresponds to thevalue of the indicator.Interchangeable TERSA knives slide on one side inside a longitudinal groove, parallely to a wedge that, pushed bythe centrifugal force, guarantees a uniform and steady locking along all the head length. Adjustment is automatic bymeans of the perfect adjusting of the reverse profiles of the groove and the cutter.Tools must be changed as follows:- unlock the tool stopping device giving a light blow to the self-locking bolt (Fig. 6B)(1);- remove the reversible tool and introduce a new reversing section, or change tool (2).Then start up the machine. Thanks to the centrifugal force, tools automatically lock.

Cutter position adjustment procedure with respect to tablesCutter adjustment to vertical reference fence and horizontal table should be made by taking the right-hand verticalshaft as an example. Apply the tool gauge to the side of the vertical reference fence, then adjust cutters until one of the edges touches thegauge itself. While adjusting, manually turn the cutter opposite to the cutting direction, up to a point when frictionbetween the edge and the gauge can be barely perceived but not heard: this indicates proper adjustment of thecutter. Once this is done, move on to set the digital indicator. (Fig. 6)

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11. PREPLANER TABLE AND INFEED FENCE

- To adjust preplaner table (Fig. 7)(1), loosen handle (2) and adjust it on the straightening value of the lower edge,considering that the max. bending of the piece can be 10 mm.Reference "0" of the millimetre plate corresponds to the working table.- To adjust side fence (3) loosen handle (4) and adjust it on the desired straightening value of the vertical wall, stillconsidering that the max. piece bending is 10 mm.Reference "0" of the millimetre plate relates to the first fixed right fence, placed behind the preplaner shaft.

If adjusting the preplaner shaft sliding capacity is needed, release or tension spring (5).In order to make easier to feed andload short (min length 250 mm) and thin pieces, the machine can be equippedwith an additional infeed driving roller (6).Besides, when this unit is inserted, it is possible to maintain the natural bending of the piece on the lower side andon the infeed fence side. To work long pieces, take off this unit.

12. GENERAL ADJUSTMENT OF THE MECHANICAL DIGITAL INDICATOR

Adjust the planer shaft using a tool gauge, then adjust the mechanical digital indicator following the instructionsprovided below: a) Slacken the holding screw in the digital indicator adjusting ring. b) Set the adjusting ring to the value required and make sure the final direction of the digital indicator is in line with

the vertical/horizontal shaft movement; finally, re-tighten the holding screw.

c) The first digit beyond the marked line on the mechanical digital indicator indicates a 0.1 mm decimaladjustment.

13. FIRST LOWER PLANER SHAFT ADJUSTMENT

General procedure for planer shaft adjustment The planer shaft can be adjusted in two directions: axially, along the planer shaft itself and radially, along the tool radius; positioning is shown on the mechanical digitalindicator. a) Slacken the lock handle b) Turn the (vertical or horizontal) adjusting screw by using the crank so as to set the planer shaft position at the

desired height, displayed in the mechanical digital indicator. c) Lock using the handle.

Lower milling cutter - functions and requirements

Besides planing, the lower milling cutter (1) is equipped with a shaving tool which can produce a machining angledto the right on the lower part of the wooden raw element, thus obtaining two references, one perpendicular to theother. When this machining touches element (2), the workpiece is moved on to the subsequent machining of theright vertical planer shaft (4). The shaving milling cutter, concentric to the rotary planer, has a diameter 20 mmlarger than the latter. (Fig.9)

Lower planer axial adjustment a) The cutting planes of the shaving milling cutter and of the horizontal milling cutters are assembled on the same

shaft. As a result, the cutting unit position with respect to the side fence (2) (Fig. 10) must be set by axiallyadjusting the lower planer shaft.

b) Place the tool gauge (3) against the side fence (2). c) Slacken the lock screw (4), turn screw (5) and adjust the axial position of the cutting unit (1 – 3 ) until the working

edge of the shaving milling cutter (1) touches gauge (2) (Fig. 10) d) Tighten the lock screw (4).

Radial adjustmentPlace the tool gauge (2) on the machine table (3) (Fig. 8). a) Slacken the lock handle. b) Turn the adjusting screw until the cutting edge of tool (1) touches lightly reference gauge (2).(Fig. 8) c) Lock using the handle.

14. RIGHT-HAND VERTICAL PLANER SHAFT ADJUSTMENT (SECOND SHAFT)

Vertical adjustment

a) Insert a spacer ring 10mm in thickness in the vertical shaft. (Fig. 13)b) Place the gauge on the table. c) Slacken the lock handle, adjust the planer shaft vertically until the gauge is level with the spacer ring. d) Set the mechanical digital indicator at 10 mm. e) Lock using the handle

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Horizontal adjustmenta) Insert a spacer ring 10mm in thickness in the vertical shaft. (Fig. 13)b) Mount a rotary planer on the shaft with a known radius (example 62.5mm). (Fig. 11)

To adjust the tools, place a gauge on the left-hand reference fence. c) Slacken the lock handle, adjust the planer shaft horizontally until the working edge of the milling cutter touches

the gauge. d) Set the mechanical digital indicator at 62.5mm. e) Lock using the handle

Machine table and reference fence

a) When small diameter milling cutters are used in the vertical shafts, introduce an insert (1) (Fig. 12) tocompensate for the space created on the table

b) Set the fence (2) according to the milling cutter diameter. When adjusting, slacken the lock screw on the rearside of the protection.

15. LEFT-HAND VERTICAL PLANER SHAFT ADJUSTMENT (THIRD SHAFT)

Vertical adjustment a) Insert a spacer ring 10mm in thickness in the vertical shaft. (Fig. 13)b) Place the gauge on the table. c) Slacken the lock handle, adjust the planer shaft vertically until the gauge is perfectly aligned between the table

and the spacer ring. d) Set the mechanical digital indicator at 10 mm. e) Lock using the handle

Horizontal adjustmenta) Use as reference a workpiece machined on four sides, then measure its width with a gauge. b) Place it between the vertical fence and the milling cutter. c) Slacken the lock handle, adjust the planer shaft horizontally until the working edge of the milling cutter touches

the reference workpiece. d) Set the mechanical digital indicator at the height measured with the gauge e) Lock using the handle

Front and rear presser adjustment.a) Adjust the vertical presser located at the shaft inlet, position its end at approx. 3 mm from the milling cutter. (Fig.

14)b) Adjust the horizontal fence, located on the shaft outlet, aligned with the cutters using a gauge or a workpiece as

reference.c) Complete all adjustments, position the left-hand vertical shaft unit based on the width of the element to be

machined, by setting the horizontal movement.d) Lock using the handle

Machine table and reference fence a) When small diameter milling cutters are used in the vertical shafts, introduce an insert (1) (Fig. 12) to

compensate for the space created on the table

16. UPPER HORIZONTAL PLANER SHAFT ADJUSTMENT (FOURTH SHAFT)

Horizontal adjustmenta) Insert a spacer ring 10mm in thickness in the horizontal shaft. (Fig. 15) b) Position the gauge between the spacer ring and the vertical fence. c) Slacken the lock handle, adjust the planer shaft horizontally until the gauge is perfectly aligned between the

spacer ring and the vertical fence. d) Set the mechanical digital indicator at 10 mm. e) Lock using the handle.

Vertical adjustment

a) Use as reference a workpiece machined on four sides, then measure its height with a gauge.

b) Place it between the table and the milling cutter (Fig. 15). c) Slacken the lock handle, adjust the planer shaft vertically until the working edge of the milling cutter touchesthe reference workpiece.

d) Set the mechanical digital indicator at the height measured with the gauge e) Lock using the handle

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19. LOWER ROLLER UNDERTABLE ADJUSTMENT

a) The motor-powered lower roller must be vertically adjusted so that it protrudes by 0.05 mm max. with respect tothe table.

b) Vertical adjustment should be carried out by using the two screws located at the lower ends of the roller itself;lock by tightening the nuts.

20. FEEDING DEVICE ADJUSTMENTFeeding roller vertical position adjustment To adjust the vertical position of the feeding unit, proceed as follows: - Position the unit at a reference height from the table (for example, 30 mm), reading the height on the index on

the plate located at the infeed section. - Adjust the steel rollers so that the lower part of the diameter is 27 mm in height with respect to the table- Adjust the rubber rollers so that the lower part of the diameter is 25 mm in height with respect to the table

Feeding unit vertical adjustment

To position the feeding unit based on the thickness of the finished workpiece, use the upstroke and downstrokeswitches and check the level on the index on the plate located at the infeed section.

Air pressure adjustment

Pressure adjustment in the steel and rubber roller is carried out separately by acting on the filter-air regulator unithandwheel and reading the value on the pressure gauge (normally set at 0.3 Mpa).

21. CLEANING AND LUBRICATING.

Frequent maintenance ensures your machine will last longer and always provide optimal performances. Plus, also overall cleaning of the machine and of the surrounding floor will improve overall safety.

Frequent cleaning:

Clean the machine using a solvent and compressed air to avoid the formation of scales, particularly on the table,

slideways, shafts and cavities, wherever residues of dust and chips are visible.

When using compressed air, avoid pointing the jet towards fences and supports, to prevent chips fromaccumulating in the tool support and in the spindle bearings.

When cleaning and lubricating, make sure not to apply grease to belts or drive pulleys, as this might compromisemachine operation. If required, clean belts with a cloth or a rag and use kerosene or turpentine for the pulleys. Avoid all contact between belts and solvents or lubricants. Besides the above mentioned items, clean or lubricate all moving parts, rods, threaded bars, pins and any other partwhich may be prone to oxidizing.

Lubrication:

Prior to any repair and maintenance operation, disconnect the electrical and pneumatic mains power supply. Lubricate at a temperature higher than 120ºC and use lubricant ZG-3 ,ZG-0, gear oil 90#, motor oil N46. Roller gearbox:check oil level through the indicator. Oil should be added or replaced when below the required level or when level isnot visible.

a) Slacken the drain cap and let all impurities flow out from then bottom, then close. b) Pour oil through the filter until the level is up to the line marked on the indicator.

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Lubricated parts Lubricant Lubricationfrequency

Standard lubricatingvolume

Notes

Shaft bearingsBelt tensioningbearings

High temperaturelubricant (heat testhigher than 120 ºC)

Once every sixmonth

Injection as defined

Milling cutter spindlemoving elements:chains, threaded

screws, bevel gears, etc,milling cutter spindlesliding sleeve

Grease type CA ZG-3 Once a month Grease covered

Swallow-tailed movabletable for vertical shafts(lubricate at centralizedoil injection point)

Grease type CA ZG-0 Once a monthConsiderable greasespillage

Feeding unit;roller gearbox

Gear oil 90

Change oil after500 hours the firsttime; after 2000hours the secondtime.Subsequently

every two years

800～1250 cm3

Feeding unit;roller shaft bearings

Grease type CA ZG-3Once every 6months

As defined

Feeding unit; cardan joint

Grease type CA ZG-3Once everychange

Considerable greasespillageGrease covered

Feeding unit; liftingreduction gears

Grease type CA ZG-3Once every 6months

As defined

Table Motor oil N46

As needed andbased on type ofwood beingmachined

Press 4～5 timesManual oil

pump

22. BELT TENSIONING AND REPLACEMENT

During the first usage period of the machine, belts will break in and this will unavoidably reduce tension. After a few days' usage, re-adjust belt tension, without overtensioning, to avoid overloading and damaging motorand shaft bearings. Inspect belts at least once every 2 months to check for wear and restore an optimal tensioning. Tension is to be checked by applying pressure on belts halfway through their length: a belt sagging of approx. 10mm should be noticed.To tension or replace belts, lockout the main switch after setting it to "0", then remove the machine rear guard.

Belt tensioning - upper and lower horizontal shaftsa) Slacken the nut in the tie-rod fixed to the motor flange. b) Axially adjust the motor by acting on the tie-rod until belts are tensioned as indicated above c) Re-tighten the tie-rod nut.

Belt tensioning - left- and right-hand vertical shaftsa) Slacken the 4 motor flange fastening screws. b) Tension the belt by prying on the motor flange using the wrench supplied (1) (Fig. 18) c) Tighten the motor flange screws

When replacing the belt, make sure the arrow printed on the external side indicates the shaft direction of rotation.

23. MACHINE STARTING AND STOPPING

- Make sure the emergency mushroom buttons are not pressed; if they are, give the mushroom button ¼ turn to the

left; - Make sure that air system pressure is correct - Make sure the upper guard is properly closed; - Make sure the suction plant is on; - Set the main switch to "1";

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Normal spindle start and stop

To start the spindle automatically, press the corresponding 'START' buttons. For normal spindle stopping, press the corresponding 'STOP' button

EMERGENCY STOP

In a danger, the machine can be stopped by using the emergency mushroom buttons located at the workingpositions of introduction and extraction of the workpiece. After each normal stopping operation, a timed microswitch prevents the immediate opening of the upper guard, toallow all inner parts to come to a stop. If the stop occurs following the emergency mushroom button activation, microswitch timing starts from the momentthe switches are switched to "0".

Feeding unit height adjustment

Press the corresponding upstroke button and the unit will lift gradually. Press the corresponding downstrokebutton and the unit will lower gradually. Adjust the feeding unit height based on the thickness of the finishedproduct.

“MANUAL TEST “ – “ POWER “mode selector switch

- Turn the selector switch to “ MANUAL TEST “ :

- this allows individual activation of spindles

- feeding unit lifting is by a maintained action, with gradual movement - feeding is by a maintained action and can proceed only by pulses - when pressing the BACK-FEED button (black with arrow pointing towards the infeed section), the feeding

direction is reversed, so the workpiece can go back by pulses.

- If the selector switch is turned to “ MANUAL TEST “ : - this allows individual activation of spindles - it is not possible to lift the feeding unit - feeding is continuous according to the adjustment carried out by the inverter potentiometer - the BACK-FEED button is disabled

Control board selector switch

- With the control board selector switch on its right position, all control board buttons are enabled, while allonboard panel buttons (with the exception of the emergency mushroom button) are disabled.

With the control board selector switch on its left position and the “ MANUAL TEST “ – “ POWER “ selector switch on“ MANUAL TEST “: the following control board buttons are enabled: - spindle start, emergency mushroom button the following buttons on the onboard push-button panel are enabled:

- Maintained output selector switch for feeding by pulses with forward or backward direction - Maintained output selector switch for the feeding unit upstroke and downstroke - Selector switch to determine the direction of rotation of the universal shaft (if present) - Emergency mushroom button

Feeding

Feeding can be continuous or by pulses. Prior to introducing the workpiece, start feeding by pressing the green light button To stop the feeding unit only, press the corresponding "STOP" button To reverse the feeding direction, press the "BACK-FEED" button.

Upper guard

- Opening of the upper guard is delayed to allow spindle stopping. Opening is enabled when the green indicator lights up

- If the raw wooden piece entering the machine exceeds the maximum removal size (10 mm) the stroke-arrestingdevice activates and stops the machine through a microswitch.The white light button "on" status indicates that the machine is powered. The orange light indicator "on" status indicates that a motor protection has tripped. Before carrying out any repair or opening the electrical cabinet, the machine should be disconnected from the mainssupply, locked out and tagged out.

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24. FEEDING BY INVERTERWARNING: CHANGE SPEED ONLY WHEN THE MACHINE IS ON.

- Feeding speed 0/30m/min is displayed on screen and can be changed by using the potentiometer after starting themovement by the corresponding button.

- In order not to damage the inverter, wait approx. 10 seconds between turning the machine off and turning it backon (operation carried out from the main switch).

- Important: if the electrical compartment is opened, the inverter maintains dangerous voltages for a short time also

after turning the machine off.

25. ELECTRONIC DISPLAY MODEL TC-501BFOR THE GROUP OF TOWING

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TC- 501BTC- 501BTC- 501BTC- 501BTC- 501BTC- 501BTC- 501BTC- 501B

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TC-501B is a kind of electronic equipment installed in numerical controlled lathe to examine the process and displaycurrent coordinate values. In the operating process, sensors examine the direction and the distance, then displayprocess coordinate values with numeral tubes.

25.1. SPECIFICATIONS

1. Power Input: AC (0 – 110V – 220V) 50/60HZ ± 20%.2. Signals Input: Standard AB Square Wave Signals (DC9V–12V).3. Safety Limit Switch: Travel Safety Proximity Switch.

25.2. FEATURES

1. Controlled by monochip, safely and steadily.2. Local parameters (Fixed parameters of first installation) can be setup.3. There are two kinds of measurement units, mm and inch selectable at first installation.4. Two ways, as follows, to set current dimension value, but the setting is forbidden in the process of motors

running.

First way: for vernier control and current value resetting.

• Press “CLR” key to reset current coordinate value.• Add 0.01 once press “+” key.

• Reduce 0.01 once press “-” key.

Second way: for setting original coordinate value.

• Press “CLR” key persistently till the number on the tiptop digit begin to twinkle.• Press “+” key, then add 1 on the certain digit, which numbers circled between 0 to 9.

• After setting, press “-” key to save and enter next digit.• The next digit begin to twinkle and on setting.• Repeat step 3-5 to setup.• After setup, press “CLR” key to exit setup.

The default value of unit is mm (mm light on). Pressing “+” and “-” key to boot-strap and enter setup.Scale and precision: Six digits numbers displayed. The first digit shows sign (show nothing when the

number is positive number, and show “-” when the number is negative number) and other digits show

numbers. There are three digits before radix point and two after it.The scale is -999.99mm – 999.99mm (-999.99 inch – 999.99 inch).Store current data when power supply off.

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25.3. MAIN PANEL ILLUMINATION

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Illumination:1. Normal situation:

• Press “CLR” key: Clear current coordinate values.

• Press “+” key: Add 0.01 on current coordinate values.• Press “-” key: Reduce 0.01 on current coordinate values.

2. Press “CLR” key to boot-strap and enter the state for parameters setting.

• Press “CLR” key: Save parameters.

• Press “+” key: Add 0.01 on current digit and cycled among 0-9.• Press “-” key: Finish current digit setting and enter to next digit.

3. Press “+” and “-” keys to boot-strap and ready for switching between mm and inch. (Don’t forget to modifycorresponding parameters)

4. Indicator lights:

• Run: Motor running.

• Mm: Measurement.

• Inch: Measurement.5. Display: Display six digits totally.

• The tiptop digit shows sign (It shows nothing when the value is positive number and show “-“ when itis negative value).

• The rest digits show number values. Three digits before radix point and two digits after radix point.Scale: -999.99mm – 999.99mm (or -999.99inch – 999.99inch).

25.4. MANIPULATION PROCEDURE

25.4.1. PARAMETERS SETUP

When first started up, the machine directly enters the state of parameter setup. (See sketch map b below).When machine is first installed or reinstalled to another lathe, parameters should be setup depended on currentcircs according to the following steps:

a. Press “CLR/SET” key to turn on TC-501B.

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TC- 501ATC- 501ATC- 501ATC- 501ATC- 501BTC- 501BTC- 501BTC- 501B

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(a) (b)

b. Keep on press “CLR/SET” key until the tiptop digit number begins to blink.c. Press “+” key to set current digit. Add 1 on current digit once press the key. The number cycles among 0-9.

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(c) (c)d. Press “-” key to save current digit setting and enter next digit. Current digit stops blink and next one begins

to blink.

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(d) (e)

e. Repeat upwards two steps to set each digit.

f. After setting, press “CLR/SET” key to save and exit setting state.

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(f)

25.4.2. CURRENT VALUE SETTING:

If current value is quite different to wanted value, the number can be set by every digits independently according tothe following steps:

a. Keep on press “CLR/SET” key until the tiptop digit number begins to blink.

+ -

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(a) (b)b. Press “+” key to set current digit number. Add 1 on the digit by one press and the numbers cycled among 0-9.c. Press “-” key to save current digit setting and enter next digit. Current digit number stops blink and next one

begins to blink.

+ -

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(c)d. Repeat upwards two steps to set each digit.e. After setting, press “CLR/SET” key to save and exit setup.

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(e) (e+)

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25.4.3. CLEAR CURRENT VALUE:

Press “CLR/SET” key shortly to clear current value.

a. Before press “CLR/SET” key, the main panel display is illuminated by the sketch map below.

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(a) (b)

b. Press “CLR/SET” key.c. Release “CLR/SET” key.

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(c)

25.4.4. ADDING 0.01 TO CURRENT VALUE (OR ADDING CONTINUOUSLY).

Press “+” key shortly to add 0.01 to current value. Keep on press “+” key to add to current value continuously,adding 0.01 every 0.5 second.

a. Before press “+” key, the main panel display is illuminated by the sketch map below.

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b. Press “+” key once.c. The value turn to 0.01 when loosen the key.

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(c) (c+)

If keep on press the key, add 0.01 to the current value in a certain period of time, for example, added to 0.08.

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25.4.5. REDUCING 0.01 TO CURRENT VALUE (OR REDUCINGCONTINUOUSLY).

Press “-“ key shortly to reduce 0.01 to current value. Keep on press - key to reduce to current value continuously,reducing 0.01 every 0.5 second.

a. Before press “-” key, the main panel display is illuminated by the sketch map below.

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SET

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TC- 501BTC- 501BTC- 501BTC- 501B

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RUN

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TC- 501ATC- 501ATC- 501ATC- 501A

(a) (b)b. Press “-” key once.c. The value turn to -0.01 when release the key.

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(c) (c+)

If keep on press the key, reduce 0.01 to the current value in a certain period of time, for example, reduced to 0.08.

25.5. CONNECTION SKETCH MAP

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25.6. REFERENCE TABLE FOR PARAMETERS SETTING

Formula: journey parameter = journey distance when motor rotate one circle (mm) ÷8x1000000.Setting 6 digits parameter, add zero in the front if number less than 6 digits.

25.7. MAXIMAL EXTERIOR SIZE AND INSTALLING SIZE

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26. TROUBLESHOOTING

FAULT TROUBLESHOOTING FAULT REMEDY

Check whether the 220V or 110V ACelectrical power supply voltage isnormal.

Reconnect the correct electricalvoltage.

Check whether the fuse has blown or isbroken.

Replace with a new 1A fuse.

The display does not showthe numbers.

If both the above points have beenverified, the control circuit is out of order.

Send to the supplier for repair.

The numbers displayed are not correct. Correct the dimensions on theprogrammer according to the realdimensions.

The parameter is not correct. Calculate and enter the parameteragain.

The display shows thenumbers, but in an irregularfashion.

After completing steps 1 and 2, turn offthe power switch and then turn it onagain.

If the numbers are still displayed inan irregular fashion, send theprogrammer to the supplier forrepair.

If the proximity switch is used withnormal induction, the coming on andgoing off of the indicator light of theswitch corresponds to the top or bottomindexing of the table.

If the indicator lights do not come on,replace the proximity switch.

If the distance between the sensor andthe disc is greater than 1 mm.

Adjust the distance between thesensor and the disc, which must beless than 1 mm.

If the ENCODER is used, verify that theENCODER functions according to thetop and bottom indexing of the table.

If the ENCODER's axial connectorand the table are disassembled ordamaged, replace them with new

ones and carry out the repair.

The display shows thenumbers, but when thebottom/top motor is running,the number does not changeaccording to the machine'smodification of the realdimensions.

Verify whether the A B phase complieswith the correct value of the 12 VDCencoder signal.

If there are no changes in the A Bphases, replace the ENCODER.

Incorrect values displayed. Check the data reset of the programmerand the encoder's resolution

The programmer's parameter doesnot conform to the table. Correct theparameter.

27. PROBLEM - PROBABLE CAUSE - CURE

No. Problem Probable cause Cure 1

Defects are noticeableon the machined piece

Cutters are not perfectly alignedto the reference fence or table

Adjust the tool with respect to the fence ortable

2 The workpiece twists

a) The feeding nip rollerdeflects

b) cutters are worn

a) Re-adjust the nip roller at the centreof the workpiece to be machined

b) Sharpen the cutters

3

Walls delimiting thewidth of the machinedworkpiece are notparallel to each other.

a) The cutter edge is notparallel to the machinetable.

b) cutters are worn

a) Adjust the tool with respect to the table

b) Sharpen the cutters

4Irregular marks on theworkpiece surface, due

to vibration.

Pressure exerted on the piece isnot properly adjusted

Re-adjust roller pressure

5 Irregular feeding

a) Feeding pressure on thewooden workpiece isexcessive.

b) The feeding unit position istoo high

a) Reduce pressure exerted on the sidesand upper part of the workpiece.

b) Adjust the feeding unit height

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