The size setting of the control board of the computer pattern machine is set up. After pressing the designated size sewing pattern button and selecting the designated size sewing pattern, the number of needles and the state of the slit are displayed.
When the number of needles in the designated size sewing pattern is changed, the number of buttons 4 is set with the number of A and B to select and change the number of stitches. The change range of the A and B segments is 0~19; the number of C and D segments is selected and changed with the number of C and D, and the variation range of C and D segments is O to 500 needles. By selecting the "ON/0FF" combination that starts the automatic slit button and ends the automatic slit button, we can set the sewing patterns of different types. By starting the combination of the double inverted button and the "double ON/OFF" button, we can choose various combinations of double inverted joints. When the automatic tangent button is selected, after completing the sewing of CD interval settings, automatic tangent can be carried out. If no automatic tangent button is selected, after sewing process at CD section, the sewing machine will rotate at low speed (make up the sewing action) according to the single touch button. In addition, when stepping on the neutral position and returning to the original position, the needle number setting is invalid after stepping on the pedal again, and it can be sewn continuously.
If the ban is not the end of the tangent line, sewing thread, needle stop position stop on. The single trigger sewing button is selected. After stepping on the pedal, it can automatically sew continuously at the set speed.
(3) repeated sewing patterns
By pressing the repeated sewing pattern button of the computer pattern machine and selecting the re sewing pattern, the number and state of the set needle can be displayed. At this time, the number of needles can be used A ~ C setting button to adjust and change the number of needle stitching segment. The number of the whole sewing procedure is changed with the set button of D, "ten" or "one", the range of change is A, B, C is 0~19, D is 0~9 times. Step on the pedal once, the equipment will repeat the normal seam and reverse seam for a specified number of times, then automatically tangent and end sewing. After selecting forbidden tangent, no tangent operation is completed after the whole process is finished, and stop at the upper stop position.