Preforming is a process that puts a helix in the strands to match the helical shape it will assume in the finished rope. Advantages of preforming include:
– The ropes are free from liveliness and twisting tendencies allowing easier installation and handling.
– The ropes can be cut with minimal seizing as exposed ends will not untwist.
Preforming takes place in a preformhead where the strand pass immediately before the closing operation.
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