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5-4. Forming method when you use forming jig
1. Preparation of the jig for forming
・
Prepare the jig for forming. (There is a commercially
available product.)
・
Attach the pin (Example 1) or the bolt and nut
(Example 2) by dividing equally into 3 portions onto
the ring shape plate. Make the ring into a shape with
sufficient thickness which does not distort.
2. Forming for jig
・
Det
ermine hole size and position so that the forming
jig is gripped at the center of the jaw stroke.
・
Never hole at forming inhibit range.
(
Refer to page 26
)
3. Preparation for gripping the jig
・
Operate the switch valve and maximize the opening
of the jaw.
4. Gripping of the jig for forming
・
Operate the switch valve and maximize the opening
of the jaw. Then, operate the switch valve to insert
the jig for forming into the hole of the soft jaw to grip.
At this time, grip by pressing the ring end surface of
the jig for forming onto the jaw so as not to generate
run-out.
・
Check that it is gripping almost in the center of the
appropriate stroke. Set the hydraulic pressure when
forming slightly higher than when processing the
work.
Содержание QB300
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