Manufacture of miniature cone winding machine

Course Title: Fabric preparatory process

Course code: Tex 2201

Date : 17-01-2017

Functions of Cone Winding Machine: To remove yarn faults.

To improve the quality of yarn.

To wax the yarn during winding process.

To make bigger package from ring bobbin in order to get continuous length of yarn on cones for subsequent processes like doubling, warping, weaving, Knitting etc.

Details of Cone Winding Machine:

Main Parts of Cone Winding machine:

Creel To hold bobbin

Yarn Tension and Guide

Cradle

Winding drum

Empty cone package

Motor

Dead weight

Wood slice

Creel to hold bobbinThese are upright spindles mounted on Horizontal rods. The spindles have pins that hold the cop on the spindle. The Function of Bobbin Holder is to hold the filled bobbins for unwinding process.

Yarn Tension and Guide:

Cradle:

It’s function is to hold the cone for winding. It lies on upper part of machine above the winding drum.

Winding drum:

It is a metallic drum and its surface is polished. It has grooves cut in to it, at its surface to help the cross winding of packages.

Empty cone package

Motor

Dead weigh

Wood slice

Operating Cone Winding Machine:

Put the spinning cops (ring bobbins) of right color code on the cop holder for all the drums

Operate the control switches for starting and stopping the machine

Follow the different signal lamps in machines.

Ensure the Stop motion is functioning properly.

Keep watching all the drums winding and identify the reasons for drum stoppages if any.

Inform the supervisor in case of any machine break-downs.

Always handle cones or cops with clean hands to avoid stain on the product.

If lapping is there in any drum; remove the lapping manually with suitable equipment without damaging the drum.

If there is rib boning in any cone, stop the cone and inform supervisor for correcting the defect.

Ensure proper functioning of Ribbon Breaker.

See that the tension weight mounted is as instructed by supervisor for the count running.

Ensure that the Slab catcher (mechanical type) setting is as instructed.

Follow instructions /direction of supervisors, during count changes.

Attend to yarn breakage by using the provided Knotted / Splicer

Replace the new wax immediately if the wax disc runs out

Check wax rolls running are clean and are freely rotating.

Check the tension discs on the machines are clean and freely rotating.

Once cone reaches required size, check its weight in the balance and if required weight is not reached, wind in the same drum for some more time and doff the full cones of correct weight.

In case if excess weight is observed take it for rewinding to achieve correct weight.

Attending to yarn breakage While attending to breaks or while replacing exhausted cops first lift the cone spindle from the surface of the drum to a certain height

Properly stop the cone using left hand and take the yarn from the cone sideways by left hand without allowing the cone to rotate further.

Take the yarn from spinning cop using right hand.

Use the provided knotted or splicer for knotting/ splicing the broken yarn or during cop change

Adopt proper procedure as instructed for operating the knitters / splicer.

Knot the breakage with minimum loss of time and with minimum waste.

Knot with minimum tails and trim the tails.

After Knotting check knots for its good strength, small size and of minimum tail.

If the Knitters / splicer is not working well get it repaired.

Press down the cone holder lever and lay the cone spindle on the cone drum to continue winding

Check whether the cone is properly laid on the winding drum and the yarn is properly being wound on the cone uniformly.

Cleaning of Cone Winding Machine

Clean the different mechanisms in the winding machine at the scheduled interval as instructed. Periodically clean the winding drum brush as instructed

Ensure the waxing discs are clean.

Keep the wastes in waste bags, piece bags, or in aprons.

Importance of Health & Safety: Follow the work & safety instructions and adopt safe working practices like not opening the doors of the machine, not cleaning the interior parts & not taking any choked material when the machine is in running condition.

Do not take the hands close to the winding drum while it is in working.

Always use head cap, face mask and ear plug in the work spot.