3.2
The needle feed
Rules:
1. The needle bar should be adjusted so that it is flush with the presser
foot bar.
2. The post bed feed should be:
2.1: for the single-needle machine, it should be set so that the axis
of the needle is moved (A) = 0.1mm to the left to the middle of
the stitch hole.
2.2: for the double-needle machine, it should be set so the needle
stands symmetric to the middle of the stitch hole.
3. The transport motion of the needle should be set as follows: at the
maximum stitch length the needle leaves the throat plate very near
the back edge of the stitch hole.
–
Loosen screws (1) and adjust the needle bar to the dimension
(B) = 31mm as show in the illustration. Rule 1 has been fulfilled.
16
B
1
A
