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15.0 Recommended Lathe Speeds (per diameter of workpiece)
Diameter of Work Roughing RPM General Cutting RPM Finishing RPM
Under 2” 1520 3000 3000
2” to 4” 760 1600 2250
4” to 6” 510 1080 1500
6” to 8” 380 810 1125
8” to 10” 300 650 900
10” to 12” 255 540 750
12” to 14” 220 460 640
14” to 16” 190 400 960
16” to 20” 175 325 450
20” to 24” 175 260 375
Table 3
16.0 Belt Positions for 4224B
High: 135-3500
Medium: 80-2000
Low: 40-970
Figure 46