SFPM: Difference between revisions
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*SUrface feet per minute - how fast a cutting edge travels in a workpiece | *SUrface feet per minute - how fast a cutting edge travels in a workpiece | ||
*Carbide burrs are up to 3000 sfpm [https://qtena.com/speeds-feeds-for-carbide-burrs-p-6193.html] | *Carbide burrs are up to 3000 sfpm [https://qtena.com/speeds-feeds-for-carbide-burrs-p-6193.html] | ||
** | **3000*12/(3*0.25)=36k/.75=20-40k rpm | ||
**RPM = (SFPM) (12) divided by (3.14) (DIAMETER) | |||
RPM = (SFPM) (12) divided by (3.14) (DIAMETER) | |||
Latest revision as of 21:08, 24 June 2023
- SUrface feet per minute - how fast a cutting edge travels in a workpiece
- Carbide burrs are up to 3000 sfpm [1]
- 3000*12/(3*0.25)=36k/.75=20-40k rpm
- RPM = (SFPM) (12) divided by (3.14) (DIAMETER)