Parameter design of the sewing machine flexible presser mechanism
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The monograph, based on the results of comparative production tests of a modernized sewing machine equipped with a pusher with conical springs, compared with existing designs, eliminates problems with skipped stitches, material folds, thread breakage and needle breakage, and also smooths out the gathers that occur when sewing materials.
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Beschrijving
Bol
The monograph, based on the results of comparative production tests of a modernized sewing machine equipped with a pusher with conical springs, compared with existing designs, eliminates problems with skipped stitches, material folds, thread breakage and needle breakage, and also smooths out the gathers that occur when sewing materials.
Bol
The monograph, based on the results of comparative production tests of a modernized sewing machine equipped with a pusher with conical springs, compared with existing designs, eliminates problems with skipped stitches, material folds, thread breakage and needle breakage, and also smooths out the gathers that occur when sewing materials.
AmazonPagina's: 128, Paperback, Our Knowledge Publishing
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