Non-Standard Bearings According to operational standards
Non-standard bearing installation is correct, affecting the accuracy, life, performance. Therefore, the design and assembly department for non-standard bearing installation should be fully studied. Hope to follow the operating standards to install. The operating standard items are usually as follows:
(1), cleaning non-standard bearings and non-standard bearing related parts
(2), check the size of the connected parts and finishing
(4), after the installation of non-standard bearings after the inspection
(5), the supply of lubricant
Hope to install the non-standard bearing before it is ready to be installed. General grease lubrication, no cleaning, direct filling grease. Lubricating oil lubrication, ordinary and do not have to clean, but the instrument or high-speed non-standard bearings, etc., to use clean oil to remove the non-standard bearings on the anti-rust agent. Remove the anti-rust agent of non-standard bearings, easy to rust, so can not be disregarded. Furthermore, non-standard bearings that have been sealed with grease are not cleaned directly.
Non-standard bearing installation method, due to non-standard bearing structure, with the conditions vary, in general, as many shaft rotation, so the inner ring needs interference fit. Cylindrical non-standard bearings, multi-pressure press press, or multi-use hot method. Taper hole, mounted directly on the taper shaft, or with a sleeve.
Installed to the shell, the general clearance with more than the outer ring with the amount of interference, usually press the press into, or there is cooling after the installation of the cold shrink with the method. With dry ice as a coolant, cold shrink with the installation of the occasion, the air will be condensed in the water on the surface of non-standard bearings. Therefore, the need for appropriate anti-rust measures.
1, first remove the wheels, remember to take the screws, lost on the trouble.
2, remove the non-standard bearings. Some wheels of the core is very tight, non-standard bearings is difficult to remove, with a hexagonal wrench (that is, one of the screws) to dig it hard, rest assured that non-standard bearings are not easy to bad!
3, first with a toothbrush will be the surface of the dirty things brush off, you do not do this step also, no bad!