Operating instructions

ManualsBrandsDURKOPP ADLER ManualsBusiness equipment540 - 100

11. Needle thread scissors

11.1 Function sequence

Motional sequence

Initial position

–

Sewing basket lifted.

–

The closed scissors holds the thread.

–

Scissors is swivelled in.

Sewing position

–

Sewing basket lowers.

–

The closed scissors holds the thread clamped.

–

Scissors is swivelled in.

Release of the needle thread

after sewing start

–

Sewing start

–

The needle thread is laid in the lip there.

–

The path until the scissors opens is adjusted under T1.1.3.

–

The scissors is swivelled aside by a block. The bolt of the movable

part of the scissors runs against a quare and opens the scissors.

–

The needle thread is released.

–

The scissors is in its left end position now.

Catch position

–

The open scissors swivels in three stitches before the last stitch

(knotting stitch).

Cutting and clamping

–

When the machine has come to a standstill, the cage lifting is

started.

–

The main thread tension opens.

–

The needle thread puller pulls the thread.

–

The scissors is closed by the closing block cylinder. The needle

thread is clamped and cut.

–

The needle thread is drawn under the fabric by the motion of the

bobbin thread knife.

–

The bobbin thread is laid in the thread rest and cut.

–

The sewing basket lifts.