Sewing machine and recording medium
A sewing machine includes a feed amount setting part and a feed amount adjustment part. In the feed amount setting part, a forward feed amount for one stitch of forward stitching is set. In the feed amount adjustment part, the forward feed amount which is set by the feed amount setting part is compared with the maximum backward feed amount for one stitch of reverse stitching which is determined by a feed mechanism. Then, in the feed amount adjustment part, when the forward feed amount is larger than the maximum backward feed amount, the total amount of backward feed amounts for plural stitches of backward stitching is adjusted so as to coincide with the total amount of the forward feed amounts for one stitch or more of forward stitching.
1. A sewing machine comprising:
a feed amount setting part which sets a forward feed amount for one stitch of forward stitching; and
a feed amount adjustment part which compares the forward feed amount which is set by the feed amount setting part with a maximum backward feed amount for one stitch of reverse stitching which is determined by a feed mechanism, and adjusts a total amount of backward feed amounts for plural stitches so as to coincide with a total amount of the forward feed amounts for one stitch or more, when the forward feed amount is larger than the maximum backward feed amount.
2. The sewing machine according to claim 1 , wherein the feed amount adjustment part adjusts the total amount of the backward feed amounts for plural stitches so as to coincide with the forward feed amount for one stitch.
3. The sewing machine according to claim 1 , wherein the feed amount adjustment part sets respective backward feed amounts in the total amount of the backward feed amounts for plural stitches at equal intervals.
4. The sewing machine according to claim 1 , wherein the feed amount adjustment part sets respective backward feed amounts in the total amount of the backward feed amounts for plural stitches at unequal intervals.
5. The sewing machine according to claim 1 , wherein the feed amount adjustment part does not form a stitch for a part of a number of stitches in the total amount of the backward feed amounts for plural stitches.
6. The sewing machine according to claim 1 , further comprising:
a reverse stitching instruction part which gives an instruction on the reverse stitching,
wherein reverse stitching of the total amount of the backward feed amounts for plural stitches which is adjusted in the feed amount adjustment part is performed in accordance with an instruction from the reverse stitching instruction part.
7. A non-transitory computer-readable recording medium, the medium recording a reverse stitching control program for causing a computer to execute a reverse stitching control method for a sewing machine including a feed amount setting part and a feed amount adjustment part,
wherein the method includes:
a process in which the feed amount setting part sets a forward feed amount for one stitch of forward stitching; and
a process in which the feed amount adjustment part compares the forward feed amount which is set by the feed amount setting part with a maximum backward feed amount for one stitch of reverse stitching which is determined by a feed mechanism, and adjusts a total amount of backward feed amounts for plural stitches so as to coincide with a total amount of the forward feed amounts for one stitch or more, when the forward feed amount is larger than the maximum backward feed amount.