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Many belt sanding problems can be alleviated by observing the proper belt speeds, tensions, and feed rates as listed below.
Measurements:
Belt Speed: Surface feet per minute (SFPM)
Belt Tension: Pound per square inch (PSI)
Feed Rate: Feet per minute (FPM)
Horse Power: Per inches of belt width
| Application | Belt Speed | Belt Tension | Feed Rate | Horse Power |
|---|---|---|---|---|
| Rough lumber sanding and planing | 6000+ | 70-80 | 30-125 | 3 to 5 |
| Abrasive finish planing |
3800-7500 5000(common) |
65-75 | 45-50 | 1 to 3 |
| Intermediate wide belt sanding | 3000-6000 |
75-90 (poly/coarse grits) 55-70 (cloth) 45-55 (paper) |
20-70 | 1 to 2 |
| Man-made board sanding | 6000-7000 |
75-90 (poly/coarse grits) 55-70 (cloth) 45-55 (paper) |
80-200 | 100 to 250 |
| Cross belt polishers | 4000-8000 | N/A | 20-60 | 15 to 30 |