力士乐比例阀4WRZ25E220-70/6EG24N9TK4/M
REXROTH柱塞泵A10VSO18DFR1/31R-PPA12N00,
REXROTH柱塞泵A10VSO140DFR1/31R-PPB12N00,
AE-REXROTH柱塞泵A10VSO140D/31R-PPB12N00,
REXROTH柱塞泵A10VS071DR/31R-PPA12N00,
力士乐比例阀4WRZ25E220-70/6EG24N9TK4/M
REXROTH柱塞泵A10VG45EZ2DM1/10L-NTC10F023SHK,
REXROTH柱塞泵A10VG45EZ2DM1/10R-NSC10F013DH,
REXROTH柱塞泵A10V028DFR/31L-PSC12K01+,
REXROTH柱塞泵A10VG63EP11/10R-NSC10F003D-S,
EREXROTH柱塞泵A10VS071-DR/31R-PPA12N00,
REXROTH柱塞泵A10VSO 18 DFRI/31R-PPA12N00,
REXROTH柱塞泵A10VS045DR/31RPPB12-NDD,
REXROTH柱塞泵A10V071DFRI/34 PSC6402-S0225,
REXROTH柱塞泵A10VS028DR/31L/PPA12G20+1PF2G2,
A11VLO260LRDL.H2/10+REXROTH柱塞泵A10V028,
A11VL190LRDL.H2/10+REXROTH柱塞泵A10V028,
REXROTH液压泵的工作原理。柱塞2依靠弹簧4压在偏心轮1上,偏心轮转动时,柱塞便作往复运动。柱塞向右移动时,密封腔因容积增大而形成一定真空,在大气压力作用下通过单向阀5从油箱吸进油液,这时单向阀6封闭压油口防止系统油液回流;柱塞向左移动时,密封腔4容积减小,将已吸入的油液通过单向阀6压出,这时单向阀5封闭吸油口防止油液流回油箱。偏心轮不停地转动,泵就不断地吸油和压油。由此可见液压泵是靠密封容积变化进行工作的,故常称其为容积式泵。单向阀5和6是保证液压泵正常吸油和压油所必须的配油装置。
力士乐比例阀4WRZ25E220-70/6EG24N9TK4/M