Belt Sander
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Belt Sander Speeds
Before you begin any belt sander operation, turn on the Mark V, set the speed according to Table 19-1 (below) and let the belt sander get up to speed. Generally the speed is determined by the size of the workpiece. For instance, if you're sanding a large surface area, you'll want to set the speed dial toward the lower end of the speed range. Lower speeds provide more torque, and the machine won't “bog down” as easily.
Table 19-1: Belt Sander Speed Chart
Sanding Area
Hardwood
Softwood
Large
E (1150 RPM, 900 SFPM)
F (1300 RPM, 1020 SFPM)
Medium
G (1450 RPM, 1150 SFPM)
H (1600 RPM, 1250 SFPM)
Small
H (1600 RPM, 1250 SFPM)
J (1900 RPM, 1500 SFPM)
Grinding or Sharpening Metal Tools -- Slow (700 RPM, 550 SFPM)