Gathering; Increasing The Differential Feed; Pulling The Needle Thread - Bernette Airlock b64 User Manual

Practical overlocking

9.4 Gathering

Ruffling is a gathering or puckering of a seam.

Increasing the differential feed

> Set the machine for a 4-thread overlock.
> Set the Differential Feed to «2».
> Set the stitch length to «4.5».
> Sew the fabric with this side up on which the ruffling is wanted.
> Sew off the edge of the fabric.

Pulling the needle thread

> Set the machine for a 4-Thread Overlock.
> Set the differential feed at default value.
> Sew the fabric with this side up on which the ruffling is wanted.
> Leave a long thread chain at seam end.
> Separate the needle thread/threads from the thread chain.
> Pull the needle thread(s) and evenly spread the puckers along the seam.
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2020-09 EN 5040064.00A.04