Cleaning of machine tool spindle bearings

When disassembling the machine spindle bearing for inspection, first record the appearance of the machine spindle bearing, confirm the residual amount of the lubricant, and then wash the bearing after sampling the lubricant for inspection. As a cleaning agent, gasoline and kerosene are commonly used.

The removed spindle bearings of the machine tool are cleaned and finely cleaned. In the container, the metal mesh bottom is placed first, so that the spindle bearings of the machine tool do not directly touch the dirt of the container. In the case of rough cleaning, if the bearing is rotated with dirt, it will damage the rolling surface of the spindle of the machine tool and should be noted. In the rough cleaning oil, use a brush to remove the grease and the adhesive. After it is almost clean, it is transferred to the fine wash.

Fine washing is to carefully clean the machine spindle bearings while rotating in the cleaning oil. In addition, the cleaning oil should always be kept clean.
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Talking about the pressure ball bearing related knowledge of gear oil

The pressure bearing of the gear oil pump has one-way and two-way. The pressure bearing of the one-way gear oil pump is equipped with a steel ball between a set of raceway rings. The contact angle is generally 90° and can only bear the one-way axial load. Not suitable for high speed rotation. These bearings can be separated into three pieces, both of which have arcuate deep grooves for the balls to roll.

The pressure bearing of the gear oil pump has an intermediate ring and two outer rings mounted on the shaft, and a steel ball is respectively added between the intermediate ring and the outer ring to withstand the bidirectional axial load. The outer ring of the pressure bearing of the gear oil pump has a flat seat type, a self-aligning seat type and a seated washer seat type.

The pressure bearing cages of one-way and two-way gear pumps are generally stamped from steel plates, and the bearings for large or special applications are brass or mild steel turning retainers.
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