Pragati BTP-100, Инструкция по эксплуатации

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BI-DIRECTIONAL TOOL TURRETS 31
19. Faults and corrective actions :
5
TURRET MOTOR
OVERHEATING SIGNAL
A
B
EXCESSIVE FREQUENCY
OF INDEXING CYCLES
UNBALANCED POWER
SUPPLY
A
B
REDUCE THE NUMBER OF INDEXING
CYCLES PER MINUTE
CHECK VOLTAGE IN ALL THE THREE
PHASES,CORRECT IF NECESSARY.
4
ROTATIONAL ACTION
NOT SMOOTH
A UNBALANCE LOAD ON
TOOL DISC
A REPOSISTION THE TOOLS TO
IMPROVE THE BALANCE
3
EXCESSIVE NOISE
DURING INDEXING
A SLIPPING OF
RING-FEEDER JOINT(47)
A LOOSEN AND RECLAMP THE
CLAMPING BOLTS AS PER
INSTRUCTIONS ON PAGE
2
TOOL DISC GOES ON
ROTATING WITHOUT
STOPPING AT
SELECTED POSITION.
A
B
C
FAULTY ENCODER
FAULTY PROX.SWITCH
FAULT IN CONTROL
CIRCUIT
A
B
C
CRANK THE TURRET BY
HAND.OBSERVE ENCODER SIGNALS.IF
DEFECTIVE,REPLACE ENCODER.
CHECK WHETHER PROXIMITY SWITCH
SIGNAL IS PRESENT AT PROPER TIME
DURING HAND CRACKING.IF IN
OUBT,REPLACE PROXIMITY SWITCH
CHECK WHETHER DIFFERENT
SIGNALS(LIKE TOOL
DEMAND,ENCODER
FEED-BACK,PROX.SWITCH ETC.ARE
AVAILABLE IN PROPER SEQUENCE &
AT PROPER TIME.
1
TURRET REMAINS
UNLOCKED AT END OF
INDEXING
CYCLE.CYCLE
COMPLETE SIGNAL
NOT AVAILABLE EVEN
THOUGH THE MOTER
HAS STOPPED.
A
A1
A2
B
TURRET MOTOR NOT
STOPPING IN SPECIFIED
TIME
FAULTY SSR(SOLID
STATE RELAY)
PROBLEM WITH TURRET
CONTROL
FAULTY PROX.SWITCH
A1
A2
B
CHANGE SSR
CHECK WHETHER MOTOR POWER
SWITCHES OFF WITHIN 5MS OF
PROX.SWITCH SIGNAL.THIS CAN BE
CHECKED ON DUEL BEAM
OSCILLOSCOPE WITH MEMORY.
REPLACE SWITCH
FAULT CAUSE CORRECTIVE ACTION
26
(Max.10/min)