Nandrolone Cypionate,CAS No 601-63-8,Nandrolone Propionate Fine Chemicals Co., Ltd. , http://www.js-animalnutrition.com
High temperature gear pump maintenance
High temperature gear pump maintenance: 1, the drive shaft and bushing after wear repair High temperature gear pump drive shaft and bushing wear, with the gap increases, will certainly affect the pump oil. In this case, you can repair the drive shaft or bushing method to restore its normal with the gap. If the drive shaft wear slightly, simply press the old bushing and put on the standard size bushing, with the gap can be restored to the allowable range. If the drive shaft and bushing wear serious and serious with excessive clearance, not only to replace the bushing, and the drive shaft also applies chrome or vibration welding method to increase its diameter, and then grinding to the standard size, recovery and bushing With the requirements. 2, drive shaft bushing hole and driven shaft hole wear repair: drive shaft bushing hole wear, reaming method can be used to eliminate wear marks, and then increased with the appropriate size to the bushing. Follower shaft wear and tear to wear and tear to eliminate traces of reaming method, and then press the hole reaming the actual size of the preparation of the driven shaft. 3, pump cover repair work plane repair: If the pump cover less wear on the work surface, available manual grinding method to eliminate wear marks, that is, put a little valve on the platform or thick glass plate sand, and then put the pump cover on the ground , Until the wear marks disappear, the work surface is flat so far. When the pump cover working surface wear depth of more than 0.1 mm, should be taken after the turning grinding method to repair.