Tube Winders

Single Opposed Knife High Speed Core Winder

This compact machine has been especially designed to give high speed production of small diameter thin wall cardboard tubes. The winding head has both winding capstans driven with the winding belt fully enclosed and interlocked to the safety system One capstan is tensioned via air cylinders to give constant winding belt tension.

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Multi Flying Knife Machine

Using a servo drive system gives very high cyclic rates as there is no longer any target to obstruct the core. An encoder measures the speed of the inside ply coming into the winder, this then synchronises the cutting unit to the core speed. This works on the same principal as the single knife in-line cutters except that because we are using several knives to cut with, the tube is carried by servo driven support rollers. This is to ensure that each cut is complete without the various pieces “tailing” together.

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Servo Knife Unit

The servo system gives very high cycling rates as there is no target to obstruct the core. An encoder measures the speed of the inside ply. The operator enters, on a touch screen keypad, the core inside diameter and the width of the inside ply. This synchronises the cutting unit to the core speed. The operator can then enter the required cut length and the machine will cut this exactly at all speeds. Fine tuning of cut length and/or speed can be done while the machine is running if, for example, the operator has entered the wrong information.

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SW Spiral Winders

The winding head has both winding capstans driven. The winding table moves along the bed of the machine so that the winding belt moves clear of the last ply as more plies are added. One capstan is tensioned via air cylinders to give constant winding belt tension. This also provides a safety-release should the operator’s hand go too near a probe switch situated in the nip of the winding belt

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