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二、故障分析
1、阀门反应速度太慢，动态失效，原因可能是阀太脏，节流孔被堵住，不过较好不要自己拆，应该找厂家配合清洗伺服阀。
2、油路通，却无法静载启动即系统无法平衡可能是密封件失效，更换密封件即可。
3、测试时油缸出现抖动，经过调试程序时发现放大器的增益太高，适当减小放大器的增益不会对系统有影响，不过也不能太低，否则系统可能会不稳定。高频响比例控制阀的调节主要是靠放大器的调节。
4、在调试过程中，遇到油缸速度低并且有时不能驱动的现象时，排除液压系统的故障后，经查找发现是由于伺服放大器的供电线路过长、且供电线路线径过小，使得阀门在工作时供电电流增加引起线路压降增大，从而使得到放大器的驱动电压低于系统要求的规定值使阀门无法被驱动。后更换了放大器的供电电缆（由4×0.75mm2更换为4×2.5mm2的控制电缆）后问题得以解决.

Rexroth	R911315255	CDB01.1C-S3-ENS-ENS-NNN-NNN-NN-S-NN-FW
Rexroth	R911315844	MSK061C-0600-NN-M1-UG1-NNNN
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Rexroth	R911317034	RKH0200/000,0(RHS0001-REH0800-RHS0001)
Rexroth	R911317121	CSB01.1C-S3-ENS-MA1-NN-S-NN-FW
Rexroth	R911317797	RKB0013/00,25
Rexroth	R911317801	RKB0013/00,55
Rexroth	R911318479	FWA-INDRV*-MPB-05VRS-D5-1-SNC-NN
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Rexroth	R911319187	FEEDBACK-DIGITALMAD/MAFTYPS0
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Rexroth	R911320224	MSK040C-0450-NN-M1-UG1-NNNN
Rexroth	R911320269	RKH0301/000,0
Rexroth	R911320271	RKH0401/000,0(RHS0005-REH0800-RHS0001)
Rexroth	R911321250	MAD130C-0100-SA-S2-FL0-05-N1
Rexroth	R911321349	KSM01.2B-061C-61N-S1-HG0-SE-NN-D7-NN-FW
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Rexroth	R911321750	MSK075E-0200-NN-S1-UG0-NNNN
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Rexroth	R911322425	CSH01.2C-CO-ENS-MA1-CCD-NN-S-NN-FW
Rexroth	R911322664	MSK100A-0200-NN-M2-BG0-RNNN
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Rexroth	R911323607	SWS-WINSTU-RUN-07VRS-D0-1K5
Rexroth	R911323620	SWS-WINSTU-RUN-07VRS-D0-WCE1K5
Rexroth	R911323622	SWS-WINSTU-RUN-07URS-D0-WCE1K5-4K
Rexroth	R911324942	MSK100A-0200-NN-S1-BG0-NNNN
Rexroth	R911325140	MSM031C-0300-NN-M0-CH1
Rexroth	R911325301	FWA-INDRV*-MPB-06VRS-D5-0-NNN-NN
Rexroth	R911325861	LEM-AB-140T-21-NNNN
Rexroth	R911325863	LEM-AB-192T-21-NNNN
Rexroth	R911326813	CSB01.1C-ET-ENS-NNN-NN-S-NN-FW
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Rexroth	R911328491	CSB01.1C-ET-ENS-NNN-L2-S-NN-FW
Rexroth	R911328706	FWA-INDRV*-MPB-07VRS-D5-1-NNN-NN
Rexroth	R911328708	FWA-INDRV*-MPB-07VRS-D5-1-SNC-NN
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Rexroth	R911330898	CSH01.3C-ET-ENS-MA1-CCD-S2-S-NN-FW
Rexroth	R911331348	RKL0019/005,0(RLS1101-INK0653-RLS0746)
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