Causes and solutions for the use of grinding wheels
There are many reasons for the rupture of the grinding wheel. Many people attribute the cause to the grinding wheel manufacturer. In fact, there are quality problems in the grinding wheel, but there are also some aspects related to storage and transportation and the use of the grinding wheel.
Frequently Asked Questions 1. Rupture caused by cracks in the grinding wheel, where the grinding wheel hole is small or the shaft is strong and hard.
Solution: Grinding wheel holes and shafts should be able to be smoothly loaded, not rigidly loaded
Problem 2: The flange support is uneven (the flange is bent; the lead filling layer is convex; the flange is burred; the grinding wheel surface is not flat)
Solution: The left and right sides of the grinding wheel flange should be finished to the specified correct and smooth size. The plane part of the grinding wheel is precisely processed, and the lead filling layer cannot protrude flat.
Question 3: The tightening force of the nut is too large
Solution: If the tightening nut of the flange is too strong, the flange will be twisted, so that the local force of the grinding wheel is large, so it should be tightly tightened.
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The line speed of the grinding wheel is too large
Problem 1: When the rotation speed of the grinding wheel shaft is too high, when using a grinding wheel larger than the diameter of the grinding wheel used in the past
Solution: Change the grinding wheel shaft speed so that the grinding wheel line speed is within the range of the highest line speed or use a small diameter grinding wheel.
Problem 2. When the imbalance of the grinding wheel is too large, the balance check of the grinding wheel manufacturer is insufficient.
Solution: Recalibrate the balance on the balance frame
Question 3: The grinding wheel contains a part of the water
Solution: the grinding surface is idling in the state of stopping the water injection.
Problem 4. Grinding wheel strength is small
When using the side of the grinding wheel, the surface of the grinding wheel is specified. It is strictly forbidden to use the grinding wheel other than the side to carry out the side.
Insufficient inspection of the grinding machine or improper machine tool
Problem 1: Bearing looseness, spindle bending, and precision of the grinding machine are significantly reduced
Solution: Check and repair the grinding machine to improve its accuracy
Question 2: The shaft diameter of the grinding wheel shaft is too small
Solution: If there is a grinding wheel of the same size as the shaft, use a grinding wheel equivalent to this.
Question 3: Wrong rough grinding or grinding wheel use error
Solution: Correct grinding operation with the guidance of the skilled person or the grinding wheel instruction manual
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6. Side grinding with an unsuitable grinding wheel
When using a grinding wheel other than the side grinding wheel, it is necessary to use a grinding wheel for side grinding (bowl-shaped grinding wheel, etc.)
7, the change of the grinding wheel quality
Problem: When the grinding wheel encounters a flood or fire, the resin bond, rubber bond grinding wheel, etc. should undergo qualitative changes.
Solution: Confirm the way the grinding wheel enters. The correct storage should consider the date of manufacture of the grinding wheel and strictly check the inspection before use.
8, irregular destruction
The quality of the grinding wheel is not good; the grinding wheel is pressed by heavy objects; the unreasonable installation of the grinding wheel
Solution: Ensure the quality of the product, enter the inspection to study its condition in detail, and prohibit the installation of heavy objects on the grinding wheel to be smooth and smooth.
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