– 110 –
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
1) Move the moving knife
by hand to its forward
travel end.
• Adjusting the counter knife
2) Loosen counter knife base setscrews
. Adjust
the position of the counter knife so that top end
of the counter knife
so that it is spaced 1.2
to 1.5 mm from the end face of the throat plate
in terms of the lateral direction, and so that it
is pressed against the stepped section of hook
driving shaft saddle in terms of the longitudinal
direction. Then, tighten setscrews
.
Loosen counter knife setscrews
. Adjust the
distance between the bed slide mounting plane
and the counter knife tip to 37 ±
0.1mm. Then,
tighten setscrews
.
8-5. Adjusting the position of counter knife, knife pressure and clamp pressure
1.2 to 1.5 mm
3.7 ± 0.1 mm
Strike
37 ± 0.1 mm
Knife pressure starts to be developed
6.5 to 8.5 mm
• Adjusting the knife pressure
3) Loosen setscrews
in the moving knife.
Turn the handwheel to move the moving knife and adjust the knife pressure.
As the standard adjustment, the knife pressure should be applied from the time when the distance from
the top end of the moving knife to the top end of the counter knife is 6.5 to 8.5 mm.
1.
Adjust the knife pressure in the state that the clamp spring
does not come in contact with the
moving knife
(the clamp pressure is not developed).
2.
Be sure to carefully prevent from getting injured by the moving knife
, counter knife
, blade
point of the hook, etc.
• Adjusting the clamp pressure
4) To adjust the clamp pressure, rstly loosen clamp spring setscrew
. Adjust the lateral position of
clamp spring so that a clearance of 3.7 ± 0.1 mm is provided between clamp spring
and counter knife
. Then, adjust the longitudinal position of the clamp spring by tightening setscrew
with the clamp
spring pressed against the stepped portion of the counter knife base.
Check to make sure that the clamp pressure is applied when moving knife
moves to its back end.
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