Общий каталог Yamawa 2022 - 2023 - страница 1241

27.27. Table of recommend centering condition Thread Series

■Reference of drilling condition for Center drills (HSS)

Reference table of cutting speed and feed per revolution (when substrate is HSS) ■Metric Threads

Unit : mm

・Drilling speed (Cone diameter at the larger end)

Low carbon steels Carbon steels Alloy steels Stainless steels Cast iron

■Reference of drilling condition for Center drills (Carbide)

Reference table of cutting speed and feed per revolution (when substrate is Carbide)

・Drilling speed (Cone diameter at the larger end)

Workpiece materials被削材 Drilling speed (m/min) Drill diameter先端直径 Feed per revolution (mm/rev)

Low carbon steels Carbon steels Alloy steels Stainless steels

Cast iron

■Reference of drilling condition for NC-SD-V

Reference table of drilling speed, feed per revolution

・Drilling speed (Tool diameter)

Workpiece materials被削材 Drilling speed (m/min) Drill diameter Feed per revolution (mm/rev)

Low carbon steels Carbon steels Alloy steels Alloy tool steels

Stainless steels Cast iron Aluminum

■Reference of chamfering condition for Countersinks

Reference table of drilling speed, feed per revolution

・Cutting speed (Tool diameter) Cutting speed (m/min) Feed per revolution (mm/rev) Workpiece materials被削材 Tool diameter

Single edge Multiple edges Single edge Multiple edges

Low carbon steels Carbon steels Alloy steels Alloy tool steels

Stainless steels Cast iron Aluminum

※ : Please select the first column by priority. And select second column and third column if necessary. Technical Inf