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Deep groove ball bearings common two installation
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| Time：2016.11.22 News Sources：Shandong Xinkaite bearing Co.,Ltd. Views：
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Deep groove ball bearings as one of the most common types of bearings, the use of the process, in order to extend the service life and the corresponding performance compatibility, we must conduct a reasonable installation of deep groove ball bearings, in order to allow everyone to install deep groove ball bearings , Xiaobian tell you a common installation of deep groove ball bearings, easy to use.
Press fit: The bearing inner ring and the shaft make the tight fit. When the outer ring and the bearing seat hole are loosely matched, the bearing can be pressed on the shaft by the press. Then the shaft is put into the bearing hole together with the bearing (Copper or mild steel) on the end face of the bearing inner ring, a soft metal material is used for the fitting sleeve (copper or mild steel), the bearing outer ring is tightly fitted with the bearing housing hole, and when the inner ring and the shaft are loosely fitted, If the bearing rings are tightly fitted to the shaft and seat hole, the installation of the inner and outer rings shall be simultaneously forced into the bearing housing bore Shaft and seat hole, the assembly casing structure should be able to tighten the bearing inner ring and outer ring end.
Heating with the installation method: by heating the bearing or bearing, the use of thermal expansion will be tight with the loose fit into the installation method is a common and labor-saving installation method.This method is suitable for large bearings, Install the bearing or separable bearing rings into the fuel tank in the average heating 80-100 ℃, and then removed from the oil as soon as possible to the shaft, in order to prevent cooling after the end of the inner ring and shoulder fit is not tight, Bearing cooling can be carried out after the axial tightening. Bearing outer ring and light metal bearing tight fit, the use of heated bearing seat of the hot method to avoid the abrasion of the mating surface. When the bearing is heated by oil tank, there should be a grid at a certain distance from the bottom of the tank, or the bearing can be put on the bottom of the box by hanging the bearing with a hook to prevent the impurity from entering into the bearing or heating unevenly. There must be a thermometer in the oil tank, Strictly control the oil temperature shall not exceed 100 ℃, in order to prevent the occurrence of tempering effect, so that the hardness of the ring reduced.
Deep groove ball bearing installation method, under normal circumstances, the majority of shaft rotation, so the inner ring and the shaft with the win-win cooperation with the bearing outer ring and the bearing chamber with the gap with the bearing running check bearing installation after the end, Should be running the horse to check, has determined whether the installation is normal.
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