Strobel GLOBAL BM 345, Руководство по эксплуатации

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4.9 Interval
The machine is equipped with a connectible interval 1:2.
The interval principle is based on recurrent lowering of the presser to an exactly
configured value (interval stitch depth).
When switched on, the outer layer of material is only stitched every second time.
This usually makes it possible to create a marking-free, elastic seam in
materials that are difficult to process.
4.9.1 Actuating and adjusting the interval
The interval stroke (= lowering of presser) defines the stitch depth during the
“interval stitch”.
To switch on the interval for a correctly configured stitch depth, screw in the
control knob
((6) figure 1) until the required interval stroke is achieved.
To adjust the depth of the interval stitch to the thickness of the sewing material
being processed, the interval stroke can also be adjusted continuously. This is
particularly advantageous with very thin sewing material because each
reduction of the stroke helps to reduce “air stitches”.
More stroke means a more shallow stitch and vice versa.
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com