Coiltek CS-5140 Manuale operativo - Pagina 5

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Notes on Slack Loop Control

Loop Geometry

While it may seem counter-intuitive, slack loop control works best when the two points from which the

stock is draped are as close together as possible. It is the amount of slack or free material in the loop

that provides the time for the follower device to accelerate or decelerate.

In the diagrams above, it's clear that the deeper 'U' shaped loop develops the most free material

between long and tight loop, avoiding the generally undesired tight loop shown at the top.

There is a caveat: some materials will be damaged if pressed into too tight of a bend. The cross-section

of tubing or hose may be distorted or crimped. Thick metal strip may be pushed past elastic limits.

Good loop geometry is a balance between mutually exclusive parameters.