Testing - ALFAMATIC OP Serie Manual De Instrucciones

1 Cycle start push button simultaneousness check Press push buttons in alternated phases (cylinder shall
2 Emergency push button check
3 Timer check and adjustment
4 Key selector check
5 Pressure regulators check
6 Approach speed regulator check
7 Working speed regulator check
8 Parking push button check
9 Compensator selector check
10 Limiting valve check (nonius zero setting)
11 Penetration regularity check (limiting valve)
12 Air pressure check in oil tank
13 Approach unidirectional valve check
14 Force value measuring - approach stroke
15 Force value measuring - working stroke
16 Dimensional check
17 Operation check on min. pressure value
14
TESTING - OP PRESSES
(To be carried out prior to production start)
not start)
Press push button with approaching cylinder (stem shall
immediately return)
Act on timer and and get a power intervention advance
and / or delay, then adjust time
In rest position 0, press shall not start
Decrease pressure from 6 to 2 bar; check that no leakage
occurs from regulators
Act on regulators and check they are controlling speed
Act on regulators and check they are controlling speed
By acting on push button, stem shall lower at controlled
speed; by releasing push button, stem shall immediately
stop
By rotating selector,stem returns to rest top position
Loosen valve knob, pressurize unit at controlled speed,
tighten valve knob unitl the beat, adjust nonius on "0"
Make unit operate with a punch on different strokes and
different materials; punching depth shall be constant
Once pressure has been adjusted, unscrew knurled
knob and then screw it
Pressurize machine and then depressurize; stem shall
remain in rest position (to be carried out 3 times)
Measurement at 6 bar of pressure
Measurement at 6 bar of pressure
Check verticality between stem and working level
Measurement at 2.5 bar of pressurean emergency. Press
bi-manual control for cycle start .Press shall not start. Press
reset push button. Operating cycle shall start again.
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