Rapid-Air AIR FEED / RAPID MASTER WITH KEYPAD - Manual (Page 12)


problem possible Causes remedy
characteristics and possible causes
of troubles with rapid-air feeds
(continued)
Cushion pistons act too slow and
provide too much cushion.
Mist of oil coming from exhaust
hole.
Feed has difficulty pushing last
part of progression.
Over feeding.
Under feeding.
– Excessive oil, reduce supply.
– Excessive oil, reduce supply.
– Feed is not inline with die.
– Stock excessively dirty or oily.
– Feed is operating too fast.
– Stock and feed clamps may be loose.
– Insufficient air pressure.
– Stock has large slitting burr.
– Stock clamp and feed clamps
are loose.
– Feed is not lubricated.
– Stock excessively dirty.
– Feed may be feeding before
punches are clear from stock or die.
– Feed may be operating too slow.
– Adjust air / oil mixture.
– Adjust air / oil mixture.
– A slight angular adjustment of the
feed will reduce the binding of the
stock on the die guides.
– Clean unit and stock. Run and retest.
– Turn speed adjusting screw clockwise
to slow down.
– Although nuts are self-locking, they
can in time work themselves loose;
retighten the nuts.
– Adjust air pressure to between 80
and 100 PSI.
– Check clearance between clamps
and stock.
– Although nuts are self-locking, they
can in time work themselves loose:
retighten them.
– Check lubricator at air inlet, there
should be oil in the bowl.
– Clean away dirt which may be
present between slide block and
main body area.
– Adjust the amount of depression of
the actuating valve.
– Turn speed adjusting screw
counter-clockwise to increase speed.