| 摘要 |
PURPOSE:To realize the performance of sewing with high quality as a preset seam by providing a section sewing a prescribed seam number at a prescribed middle and low speed in the intermediate process in the control process from a middle and high speed a low speed and adjusting the number of seams. CONSTITUTION:A counter 2 counts a needle position signal and calculates the number of seams set at a seam number set circuit 5. A speed set circuit 7 drives the system at a middle and high speed set at a middle, high speed set circuit 1 according to the driving instruction. Then, the circuit 7 changes over the speed to the specified middle, low speed when the remaining seam number of the set seam number is a specified value or below, and further to a low speed when the remaining seam number is finished for count, and stops the needle to a prescribed needle position. |
