
■Table of recommend centering condition.
Work Soft structural steels Carbon steels Alloy steels Stainless steels Aluminum alloy casting
Cutting speed
Diameter Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution
Work Soft structural steels Carbon steels Alloy steels Thermal refined steels Stainless steels Aluminum alloy casting
material Cutting speed Diameter Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution
Work Soft structural steels Carbon steels Alloy steels Thermal refined steels Stainless steels Aluminum alloy casting
Cutting speed Diameter Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution Revolution Feed per revolution
type
1. Above condition done by Water Soluble oil. 2. 20% lower feed is recommended when centering prosess to inclined plane. 3. 20% lower feed is recommended in the case of long shank point drills. type