How to judge whether the speed of the cutting and polishing wheel matches the equipment?
Jul 17,2026
1. Identification of the cutting and polishing wheel body
The maximum safe working speed MAX RPM/m/s (line speed) is printed on the back of each cutting blade/louver wheel, which is divided into two types of markings:
RPM: revolutions per minute, example: 13800RPM
m/s: linear speed, common 36m/s, 40m/s
2. Grinding/cutting equipment nameplate
The no-load rated speed is marked on the nameplate of the angle grinder, grinder, and desktop grinder.
Matching standard: The no-load speed of the equipment ≤ the maximum safe speed marked on the cutting and polishing wheel can be considered a compliant match.
Equipment speed > Grinding wheel rated speed → Overspeed, use is prohibited, and it is easy to break.
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