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Forum LockedThread Tension / Presser Foot Pressure

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Tejas View Drop Down
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    Posted: 07 December 2013 at 6:05pm
Searching the Internet for adjusting presser foot pressure, the results seem contradictorily or treated as a black art or essentially not at all. There should be a systematic way to get the relationship between stitch-length, foot pressure and thread tension, and establishing base-settings seems to help.

Assuming that the feed dog height and that the center and outside walking-feet are properly adjusted, and the bobbin tension is correct, the following steps taken mostly from posts on http://leatherworker.net/forum/ seem to work.

Establishing base-settings:

1. With the machine turned off, the needle out of the machine and no needle thread:
2. Insert a sheet of paper under the presser foot.
3. Turn the fly-wheel while slightly tugging on the paper.
4. Adjust the presser foot pressure so that the paper neither slides nor tears.
5. Thread the needle, turn on the machine and sew the paper. Adjust the needle-tension until the knots are centered above and below the top and bottom of the paper.

Thread the needle and sew samples, making adjustments from the base-setting, starting with needle-tension settings. Sewing samples on the bias with different color fabric, needle-thread and bobbin-thread can make it easier to make the adjustments.








Edited by Tejas - 07 December 2013 at 9:09pm
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