JUKI LU-2220N-7, Инструкция по эксплуатации

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− 2 −
(6) Adjusting the knife pressure
) Set the thread take-up lever at the lower dead
point. Manually actuate the solenoid valve to put
the thread trimming cylinder into the state where
it projects.
(Press the manual switch of solenoid valve
No. 3 to lock the solenoid value. Refer to
"(11)
Explanation of the solenoid valve" .)
2) Keeping the state of ), slowly turn the handwheel
by hand, and adjust the distance of R section of
the moving knife and the end of machine bed to
the position of 29 to 30 mm.
(At this time, the gauge for adjustment supplied
as accessories can be used.)
3) Loosen moving knife setscrews
1
and tighten
them again after adjusting the knife pressure.
4) Release the solenoid valve which has been
manually actuated in Step ). (Refer to "(11)
Explanation of the solenoid valve" .)
*1 : When the knife pressure is low, tighten
moving knife setscrews
1
while lightly
pressing the moving knife to the counter
knife. When the knife pressure is high, worn-
out or damage of the blade section will be
caused . So, adjust the knife pressure as low
as possible.
*2 : When thread cannot be cut even when the
knife pressure is increased, change the height
of moving knife or counter knife within the
range of adjustment and adjust so that the
blade sections meet together. The height of
moving knife and counter knife should be a
clearance of 0.5 to 0.6 mm between the knife
and the bottom surface of throat plate.
29.0 to 30.0 mm
Gauge for adjustment supplied as accessories
37.8 mm
26.8 mm
29 mm
Thickness : 0.6 mm
43 mm
1