触点的故障一般有触点过热、熔焊等。触点过热的主要原因是触点压力不够、表面氧化或不清洁和容量不够;触点熔焊的主要原因是触点在闭合时产生较大电弧,及触点严重跳动所致。
观察触点表面有无灼伤烧毛,铜触点烧毛可用油光锉或小刀整修毛。整修触点表面不必过分光滑,不允许用砂布来整修,以免残留砂粒在触点闭合时嵌在触点上造成接触不良。但银触点烧毛可不必整修。PART CASE OF 9 RACKS OF BT-250-L-R-S MAXYMum Recovery B
ALLEN BRADLEY CONTROL RELAY MODEL# 700DC-F310Z24
ADC TELECOMMUNICATI?ONS FPC-SPFC-S-55M 55 METER FIBER OP
9 EMB CARBON STEEL FITTING STRAIGHT CONNECTOR MSC42L
10 METRIC EMB CARBON STEEL FITTING EQUAL TEE MT22L
PACIFIC SCIENTIFIC E41RLHT-LNK-NS-?00 1.8o STEP MOTOR
GEMU D-74653 DIAPHRAGM VALVE
LOT OF 4 Keyence FS-T2 Fiber Optic Photor Sensor Amplif
FESTO SLT-10-20-P-A DOUBLE ACTING MINI PNEUMATIC SLIDE
NALGENE 6 GALLON LIQUID CONTAINER
PACIFIC SCIENTIFIC 1.8o STEP MOTOR E41RLHT-LNK-NS-?00
MOLECULAR BIO PRODUCTS MBP ART GEL 20P PIPET TIPS 10 TR
TB WOODS TAPER BEARING MODEL# SE13
M-SYSTEM SIGNAL TRANSMITTER MODEL # FVS-3A-R N.I.B