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我厂在检修G72弓锯床时对工作液筒和两柱塞油泵进行了改制。原工作液筒和活塞杆、两柱塞和柱塞套均已磨损漏油,使锯床不能正常工作。原结构上述两处偶件均为不可补偿件,一旦磨损即产生泄漏,难以修复。我们将工作液筒镗孔、珩磨后重新配置一件活塞杆,在活塞处加工活塞环槽,配上活塞环(我们采用的是吉普车发动机汽缸上用的活塞环)。在柱塞油泵处重新配制柱塞和柱塞套,并在套的上端部内孔车槽,装上O型密封圈。经上述改制后,两处漏油问题均被克服,并且今后的维修也较方便了。
I plant in the repair G72 Bow Saw working fluid cylinder and two plunger pump was restructured. The original working cylinder and piston rod, two plungers and plunger sleeve have been worn oil spill, the saw can not work properly. The original structure of the above two parts are not compensable parts, once the wear and tear that leak, it is difficult to repair. We bore the working cylinder, honing and repositioning a piston rod, machining the piston ring groove at the piston, and attaching the piston ring (we use the piston ring on the jeep engine cylinder). Re-formula the plunger and plunger sleeve at the plunger pump and attach the O-ring at the slotted slot in the upper end of the sleeve. After the above restructuring, the two oil spills have been overcome, and future maintenance is also more convenient.