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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.