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Reasons and Solutions for Excessive Temperature of Guide Bearing in Fully Automatic CNC Lathe
Sep 27,2023
Author:
CNC lathes are now widely used in the market, and many manufacturers have purchased products due to their excellent performance. However, during use, some malfunction problems may occur.
CNC lathes are now widely used in the market, and many manufacturers have purchased products due to their excellent performance. However, during use, some malfunction problems may occur. Next, the CNC lathe manufacturer will introduce how to handle the high temperature problem of the CNC lathe bearings if the temperature of the guide bearings is too high, as well as its principles.
The purpose of setting the guide rail bearings on CNC lathes is to limit the operation of the generator spindle, so that it can only bear the radial load on the generator spindle within the specified clearance range of the guide rail bearings.
1、 Reasons for bearing temperature increase
1. The contact point on the surface of the shaft ceramic tile is small, and the contact surface is insufficient, which does not meet the equipment specification requirements.
2. The increase in bearing clearance is much greater than the designed clearance, which makes it difficult for lubricating oil to form oil wedges when entering the bearing pad surface, resulting in poor lubrication and an increase in guide bearing temperature and unit vibration.
2、 Solution to temperature rise of guide bearings
When lubricating the surface of ceramic tiles, even through the maximum swing point of the spindle, although the matching clearance is minimal, due to the short distance, good lubrication conditions, less heat generated by friction, and good cooling effect, it generally does not cause bearing temperature rise, nor does it cause ceramic tile combustion.
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