KISSsoft Release Notes 03-2014kisssoft.com.cn/updata/download-new/KISSsoft-Rel-03-2014.pdf ·...
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[email protected] KISSsoft Release 03-2014 Slide 1 01.04.14 KISSsoft Release Notes 03-2014 Note also the release notes for release 03-2014 of KISSsys
Transcript of KISSsoft Release Notes 03-2014kisssoft.com.cn/updata/download-new/KISSsoft-Rel-03-2014.pdf ·...
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Slide 1
01.04.14
KISSsoft Release Notes 03-2014
Note also the release notes for release 03-2014 of KISSsys
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Slide 2
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Delivery of Release 03-2014
Release 03-2014 of KISSsoft and KISSsys will be delivered to customers under AMC automatically through the local software partners.
Delivery includes 1 CD-ROM and 1 licence file.
Download and install patches as they become available from http://www.kisssoft.ch/patches.php
Kindly contact your local distributor if you did not receive your copy of release 03-2014.
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EES KISSsoft GmbH
EES KISSsoft GmbH is responsible for KISSsoft business in Asia, together with the local partnes Kadkraft Systems Pvt Ltd in India, Stech&H Pvt Ltd in Korea and KISSsoft China Pvt Ltd in China.
EES KISSsoft GmbH provides consultancy on gear design, gearbox verification and testing as well as on system optimisation.
www.EES-KISSsoft.ch
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Local KISSsoft partners
Mr. Raman Gupta [email protected] Kadkraft Systems Pvt. Ltd. SCO 196-197, 1st Floor Sector 34-A, Chandigarh, India
Mrs. Nancy Su [email protected] KISSsoft China Pvt. Ltd. Suzhou SIP, China Dr. Young Il Kwon [email protected] STech&H Co. Ltd. #301 Moonhang bld, 44-17, Samsung-dong Kangnam-gu, Seoul, Korea
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Using tables
• Tables can be saved as text files
• User right mouse click and select „Save“, save as txt file
• And directly imported into Excel
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Languages
• Portuguese language has been added
• Russian language has been updated
• Chinese tutorials have been added
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CAD interfaces
• CAD interfaces updated to
– Solid Edge ST6
– Creo 2.0 Parametric
– SolidWorks 2014
– NX9
– Kompas 3D V14
– Inventor 2015
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3D geometry for CAM
• The gear surface is extended to accomodate better for CAM programming
• This is to accomodate for a runout of the tool
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Report and result window
• Reports and result window can be customised
• Rules can be added to the software
• See seperate document
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Lubricant database
• Klüber lubricant data has been updated and extended
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Timken bearing data
• Data for Timken cylindrical roller bearings has been added
• Date for Timken spherical roller bearings has been added
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Oil level
• The oil level is shown, it is used to calculate the bearing friction torque. For each bearing, the resulting oil level is then calculated based on the global oil level.
• The oil level is define in the module specific settings, tab „Roller bearing“. The oil level is defined at y=0 position
• The inclination of the shaft may be defined in tab „Basic data“
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Editor
• Right mouse click to control graphic settings
• Change font size of text
• Connections are more clearly shown
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Display critical bearing
• Display bearings meeting / not meeting the required lifetime
• Blue: meets required lifetime
• Red: does not meet required lifetime
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Calculation settings
• A new solver may be used if this flag is switched off, this may help to overcome convergence problems
• Up to 30 coaxial shafts may be calculated simultaneously (previously, limited to 15)
• The surface roughness of shaft and housing is now considered in the bearing operating clearance
• A new solver for the calcualtion of natural frequencies and modes has been implemented
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Miner rule
• Miner rule calculation has been updated and documented better
Miner elementary along FKM Miner extended along DIN743 Miner consequent along FKM
Miner original along Haibach Miner elementary along Haibach
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Graphics
• A 3D graphics has been added for the shaft showing deformations and animation of the rotation
• Animation of natural modes
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Graphics
• For ball bearings, the ball forces can be shown in 3D
• For other types of bearings, same function will be available in future
• The calculated cross sections are shown in the results graphics
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Tooth form calculation
• Additional DIN standard for grinding stock added, see tab „Reference profile“
• Input of reference profile allows input of diameters
• For semi topping tool, the form height coefficient can be calculated from diameter of start of chamfer
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Tooth form calculation
• The grinding wheel definition can also be done by diameter
• The tolerance field setting (for which tolerance in the field the gear geometry is shown in the graphics) is now also available in the „Tolerance“ tab
• Flattened measurement ball is shown in 2 graphics
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Tooth form calculation
• Tip rounding may now be defined in different sections in tab „Modifications“
• Tolerances are updated to ISO1328-1:2013. Note that there are significant changes. Default in KISSsoft is old version of ISO1328! Chang in „Module specific settings“
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Tooth form calculation
• Master gear calculation now includes test radius of master along AGMA2002 (Rm=dM/2+xM*mn) (see tab „Master gear“)
• Tolerances according to AGMA2015-2-A06 for radial composite tolerance in report „Manufacturing tolerances“
• Tolerances along DIN3962-1, 3962-2 and 3963 implemented (see module specific settings)
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Tooth form calculation
• In tab „Reference profile“, input of gear data in gear reference profile can automatically be converted to tool data
• A tolerance for the grinding allowance can be considered
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Tooth form calculation
• Buckling root definition on shaping cutter is now defined through root form diameter of tool
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Tooth form calculation
• Protuberance definition on shaping cutter is now defined through tip form diameter of tool
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Rating at B and D
• Flank rating for contact pressure at point B and D may be used
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Khbeta calculation
• Graphics added to show line load and gap along ISO6336-1, Annex E for KHbeta
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Khbeta calculation
• Resolution / number of slices for Khbeta calculation may be set
• Calcualtion report for Khbeta extended to show all combinations of manufacturing errors and to show all gap / load distributions
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Khbeta optimisation
• Based on the calculated gap between the gears, a lead modification is proposed by KISSsoft automatically:
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Various
• Stress correction factor of reference gear YST may be changed from default value (YST=2.00) in module specific settings, tab „Calculations“ in case measured strength data is used
• The iteration stability for load spectrum calculation is improved
• The partial damages are reported for each bin of the LDD
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LDD
• Zero values for „Frequency“, „Torque“ (or power) and speed may now be used in load spectrum definiton. This is most helpfull if load spectrum is imported e.g. from time series
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LDD, for flank
• In case that negative and positive torque values are mixed in the LDD, then, for the flank, the following options are available
1) Consider negative torque as positive
2) Consider only positive torque bins
3) Consider only negative torque bins
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LDD, for root
• In case that negative and positive torque values are mixed in the LDD, then, for the root, the following options are available
1) Consider negative torque as positive
2) Alternating bending is assumed for negative bins*
3) Alternative bending is assumed for positive bins*
(if YM is not defined otherwise by the user)
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LDD, for root
• In case that negative and positive torque values are mixed in the LDD, then, for the root, the following options are available
1) Consider negative torque as positive
2) Alternating bending is assumed for negative bins*
3) Alternative bending is assumed for positive bins*
(if YM is not defined otherwise by the user)
Method is as per DIN3990-6
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Modification of S-N curve
• Modified S-N curve: moved to button „Details“ / valid for all calculations / effect on S-N curve is shown
As per standard Corten Dolan Haibach
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Iterative wear calculation
• The wear may now be calculated in several steps. Note that this calculation takes a long time because the for each iteration, a contact analysis is required.
• The resulting wear can be shown for
different time steps
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Iterative wear calculation
• Some lubricants from Klüber now include information on wear rate
• Wear rate may then be calculated
• Wear rate is then given in button in material
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Iterative wear calculation
• Left: wear without iteration
• Right: wear with iteration
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Modifications sizing
• Active, form and control diameter are now show in profile diagram. DIN/ISO or AGMA notations are available.
Activate in
module specific settings, tab „General“
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Coordinates output
• In the temporary folder (to find this, use %temp% in a file browser), the profile and lead diagram is exported as a text file
• This may be used for drawings or machine controls
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Sizing function
• The modifications in tab „Conditions I“ will be superimposed with thes in „Conditions II“.
• If you delete all modifications in „Conditions I“ or de-activate the flag „Use the modifications in the…“, then, only the modifications in tab „Conditions II“ are used
Define torque range and steps
Calculate KHβ only
Cross combine modifications
Import original modifications
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Sizing function
• Cross synchronise modifications
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Sizing function, data in „Conditions I“
• We want to vary the tip relief between 32um and 52um.
• In „Conditions I“, there is a tip relief definition, it is 42um
• In „Conditions II“ we should hence vary from -10um to +10um
• In combination, this will then give a variation from 42um-
10um=32um to 42um+10um=52um
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Sizing function, empty „Conditions I“
• Again we want to vary the tip relief between 32um and 52um.
• In „Conditions I“, there is no tip relief definition, hence, it is 0um
• In „Conditions II“ we should hence vary from 32um to 52um
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Sizing function
• Each combination of modifications is numbered
• A calculation is also performed for the solution with the modifications as in tab „Conditions I“
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Sizing function
• A radar chart allows for comparison of all modifications. The modifications are numbered as shown in tab „Results“.
• The results are shown for all torque level. Red is highest. torque,
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Sizing function
• Lowest lifetime (of either gear of flank or root) (considering required safety factor)
• Peak to peak transmission error PPTE
• PPTE / PPTE of gear without modifications
• Contact ratio under load
• KHβ along ISO6336-1, Annex E
• Highest contact stress on flank
• Safety factor micropitting along ISO15144
• Gear mesh loss / efficiency
• Wear depth on gear A and B
• Peak to peak value of torque fluctuation
• Maximum contact temperature (scuffing)
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Sizing function
• A maximum of ten different properties may be shown in the radar chart simultaneously.
• This allows for comparison of the performance of a particular modification for different criteria
• It can be shown for all or a selected torque level
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Sizing function
• Three level of reports
Basic Default Detailed per case
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LTCA settings
• Several pitches may now be calculated
• Resolution in lead and profile direction can be adjusted
• Pitch error is on every second tooth
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Various, helical gears
• The fine sizing function allows for sizing of deep tooth form / high contact ratio gear
• In previous release, all solutions had exactly the required contact ratio
• Now, the user can choose to keep solutions with higher than required contact ratio
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Various, helical gears
• The operating backlash calculation in „Operating backlash“ tab now includes a proposal for centre distance tolerance to achieve no backlash in worst case
• KHβ is not limited to 1.05 anymore (As per DIN), it may be lower.
• For AGMA rating, reliability may be given for both flank / root in button „Details“ in tab „Rating“
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Bevel gears
• The cutter module m0 may be entered directly
• Scuffing rating modified for ISO rating (influence of tip relief)
• Calculation of tooth thickness modification value through conversion
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Bevel gears machining
• More and more customers use 5 axis CNC cutting based on KISSsoft geometry. CAM control has been improved
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Bevel gears machining
• See recent presentation by Mr. Langhart of KISSsoft AG on how to CNC machine Gleason type bevel gears
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Bevel gears Gleason measuring
• Measurement grid report for fillet according to Gleason format is improved. Now it has exactly same format as Gleason report.
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Strength rating
• The strength rating along the final version of VDI2736 has been added / updated for plastic gears
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Beveloid gears
• Beveloid gears with shaft and taper angle
• No load contact pattern, 3D shape calculation
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Beveloid gears
• Strength rating in the same way as for cylindrical gear
• We recommend to add an additional load safety factor due to the poor contact of unmodified gears
With negative crowning Without modifications
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Beveloid gears
• Negative crowning / Profile shifts
• Some papers on the topic
• http://www.geartechnology.com/issues/0511x/beveloid.pdf
• http://www.cjmenet.com/xuebaoenglish/papersed/allpapered/newaccepted/fulltext/2010-355.pdf
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Worm gears
• Conversion of tool tip diameter to middle diameter for ZK and ZC tooth form
ISO DTR 10828.2
DIN 3975
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Worm gears
• 3D Geometry: Degree of approximation of the spline curves from the modeling points can be set in the Module specific settings > Generation of 3D.
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Worm gears
• 3D Geometry: Throat center distance (Kopfkehlabstand) can be applied according to the definition of DIN 3975.
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Worm gears
• 3D Geometry: Face chamfering angle (Fasenwinkel) can be applied according to the definition of DIN 3975.
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Friction coefficients
• Coefficient of friction are proposed along VDI2230, Table A5
• Calculation of length of engagement included
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Friction coefficients
• Detaild strength definition of nut
• Torsional stress may be neglected to simulate torsion free tensioning
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Interference fit
• Tolerance graphics has been added
• DIN EN 7190-2, proposal 2013 added
• Stacked interference fit updated
