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A set of feed dogs typically resembles two or three short, thin metal bars, crosscut with diagonal teeth, which move both front to back and up and down in slots in a sewing machine's needle plate: front to back to advance fabric gripped between the dogs and the presser foot toward the needle, and up and down to recess at the end of their stroke, release the fabric, and remain recessed while ...
The hook mechanism carries the upper thread entirely around the bobbin case so that it has made one wrap of the bobbin thread. Then the take-up arm pulls the excess upper thread (from the bobbin area) back to the top, forming the lockstitch. Then the feed dogs pull the material along one stitch length, and the cycle repeats.
Stitching in a straight line is normally accomplished by replacing the normal presser foot with an even feed walking foot attachment. This gadget was designed to avoid puckering by advancing multiple layers at the same rate as the feed dogs of the machine. With the feed dogs up, the length of the stitch is controlled by the stitch length ...
With manual feed, the stitch length and direction is controlled entirely by the motion of the material being sewn. Frequently some form of hoop or stabilizing material is used with fabric to keep the material under proper tension and aid in moving it around. Most household machines can be set for manual feed by disengaging the drop feed dogs.
The "feed dogs" or machine teeth are lowered or covered, and the embroiderer moves the fabric manually. The embroiderer develops the embroidery manually, using the machine's settings for running stitch and fancier built-in stitches. A machine's zigzag stitch can create thicker lines within a design or be used to create a border. As this is a ...
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These machines have no feed dogs at all. Instead, they have two presser feet, one of which, along with the needle bar, moves the cloth while the needle is still through the cloth. The other, larger, presser foot is used to hold the cloth stationary while the needle lifts out of the cloth and moves forward to get ready for the next stitch.
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