JUKI DDL-900A-S - Solenoid Timing Compensation for Reverse Stitching

– 39 –
⑨ Compensation of timing of the solenoid for reverse feed stitching (Function setting No. 51 to 53)
When the normal and reverse feed stitches are not uniform under the automatic reverse feed stitching
action, this function can change the ON / OFF timing of the solenoid for back tack and compensate the
timing.
❶ Compensation of on-timing of solenoid for reverse feed stitching at the start of sewing (Function setting
No. 51)
On-timing of solenoid for reverse feed stitching at the start of sewing can be compensated by the unit
of angle.
n.
15
Adjusting range : – 36 to 36 <1 / 10˚>
Set value Compensation angle Number of stitches of compensation
– 36 – 360° – 1
– 18 – 180° – 0.5
0 0° 0
18 180° 0.5
36 360° 1
❷ Compensation of off-timing of solenoid for reverse feed stitching at the start of sewing (Function set-
ting No. 52)
Off-timing of solenoid for reverse feed stitching at the start of sewing can be compensated by the unit
of angle.
n.
25
Adjusting range : – 36 to 36 <1 / 10˚>
Set value Compensation angle Number of stitches of compensation
– 36 – 360° – 1
– 18 – 180° – 0.5
0 0° 0
18 180° 0.5
36 360° 1
❸ Compensation of off-timing of solenoid for reverse feed stitching at the end of sewing (Function setting
No. 53)
Off-timing of solenoid for reverse feed stitching at the start of sewing can be compensated by the unit
of angle.
n.
35
Adjusting range : – 36 to 36 <1 / 10˚>
Set value Compensation angle Number of stitches of compensation
– 36 – 360° – 1
– 18 – 180° – 0.5
0 0° 0
18 180° 0.5
36 360° 1
* When the point
before 1 stitch is
regarded as 0˚,
compensation is
possible by 360˚ (1
stitch) in front and in
the rear.
– 360˚
– 180˚
0˚
180˚
360˚
360˚
180˚
0˚
– 180˚
– 360˚
360˚
180˚
0˚
– 180˚
– 360˚