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FAQ
Q
Why is there a strange noise when using a grinding disc?
A
Unusual noise may be caused by improper installation, disc deformation, or worn-out bearings. It's recommended to stop the machine and inspect the setup.
Q
What causes uneven wear on the grinding disc?
A
Uneven wear is often due to improper angle usage, uneven pressure, or using the disc on unsuitable materials. Proper technique and correct disc selection are essential.
Q
What are the common causes of grinding disc breakage?
A
Breakage may result from overspeed operation, impact with hard objects, aging, or improper storage. Always check the disc for damage and follow speed limits before use.
Q
Does a new grinding disc need to be pre-treated before use?
A
Some discs require a short test run (about 1 minute) before first use to ensure they are balanced and free from cracks.
Q
Is it normal for a grinding disc to produce a lot of sparks?
A
A moderate amount of sparks is normal. Excessive or unusual-colored sparks may indicate material mismatch or excessive wear, and the disc should be checked or replaced.
Q
Can grinding discs be used on non-metal materials?
A
Yes, but only with discs specifically designed for other materials such as stone, stainless steel, or ceramics.
Q
What should I do if the edge of the grinding disc chips?
A
Chipped edges indicate damage, and the disc should be replaced immediately to avoid safety hazards.
Q
Why does the grinding disc have a short service life?
A
Possible reasons include frequent overuse, excessive pressure, or using the wrong type of disc. Proper use and maintenance help extend lifespan.
Q
What do the different colors of grinding discs mean?
A
Disc colors often indicate different materials or applications. For example, black for metal and red for stainless steel. Always refer to manufacturer specifications.
Q
How should grinding discs be stored safely?
A
Store in a dry, ventilated area, on a flat surface, away from heat, moisture, and heavy loads to avoid deformation and aging.