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DIFFERENTIAL FEED APPLICATIONS
Please refer to pages 46 - 49 DIFFERENTIAL FEED.
Differential feed is designed to minimize puckering and wavering. It is also very effective for
gathering.
1. Puckering
Puckering tends to occur on woven or sheer fabrics. To obtain pucker-free seams, set the
differential feed control dial at less than 1.
2. Wavering
Wavering tends to occur on knitted or stretchable fabrics. To obtain waver-free seams, set the
differential feed control dial at more than 1.
3. Gathering
Differential feed makes gathering easier on lightweight fabric. Use it on waistlines, sleeve
heads, sleeve bottoms and ruffles, etc.
Set the differential feed control dial between 1.5 and 2, tighten the left and right needle thread
tensions and/or lengthen or shorten the stitch to obtain the best gathering effect for your fabric.
IMPORTANT
The exact adjustment depends on the thickness and elasticity of fabric. Even the stitch length can
influence the setting. The longer the stitches, the more the fabric is contracted.
Always do a test with a scrap of the actual fabric you use and find the best settings.
I
Illustration
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: Even, smooth seam
II
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: Puckering
III
*
: Wavering
IV
*
: Gathering
56
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I
*
II
*
III
*
IV
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