E-312NP / User manual
4
MANDREL PROTRUDING SET FOR BLIND NUT
STROKE SETTING
1) To set the length of the cap screw
protruding out of anvil according to blind
rivet nut length, by positioning of the
locknut and anvil locking each other:
1) It is very important step to define the stroke to be set on the
tool, by measuring the rivet nut and calculating in formula:
Stroke = A – ( B + C )
a) The tool stroke can be set from 1mm up to 7mm, and it shows by the indicate line pointing on to the graduation scale
precisely.
b) To increase the stroke: slide the stroke setting slider in the direction of the tool front (cap screw), turning the stroke setting
knob anti-clock wise, release the stroke setting slider back (to be sure the small needle tip seated back into the hole on the
edge of the stroke setting knob) and checking the indicate line pointing.
c) Repeat the operation until the indicate line pointing at the defined stroke; To reduce the stroke: operate in the same way but
turning the stroke setting knob clock wise.
2) Never to set the cap screw protruding length too long nor
too short according to the rivet nut to be set:
A = depth of the rivet nut (inside of the rivet nut non-threaded and no upset
part of the nut when setting)
B = total thickness of work piece(s)
C = rivet nut head thickness (if countersunk head rivet nut, then C = 0)
2) To set the stroke on the tool :
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