27. Table of recommend centering condition ■Table of recommend centering condition. Description of products HSS (PE-Q PE-90˚) Work Soft structural steels Carbon steels Alloy 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 HSS+TiCN (PE-Q-V PE-90˚) 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 Carbide+TiAIN (C-PE-Q-V PE-90˚) 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 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. Information Technical Technical-78 849