Общий каталог Sumitomo 2018 - 2019

Sumi-Grip Series Carbide Blade Type

WCFH 32

WCFH 26

WCFS R/L 25 WCFS R/L 20

WCFS R/L 16 WCFS R/L 12 WCFS R/L 10

High Rigidity Low Vibration Good Chip Removal

This figure shows a computer generated	The figure shows the measurement of	This picture show the shape of chips
comparison of the distortion of steel and	cutting vibration.	according to feed rate.
carbide holders caused by cutting forces.	At high speeds the carbide holder	SUMI GRIP produces rolled chip which are
	experiences for less vibrations than does	easily removed.
The reduced distortion of the carbide holder	the steel holder. Thus, the overhang length
Grooving & Parting-Off makes cutting under harsher conditions and	can be extended and cutting speed can be

higher feeds possible. increased with the Sumi Grip´s carbide holder. f = 0,05 mm/rev f = 0,08 mm/rev

Destortion of Sumi-Grip (Carbide holder)

f = 0,1 mm/rev f = 0,15 mm/rev Measurement of vibrations (Overhang of holder: 50 mm) Sumi-Grip Steel holder

Destortion of steel holder f = 0,2 mm/rev f = 0,25 mm/rev

Time Time

Structure of distortions Changed sharp Unchanged sharp

Steel holder Usable limit

Sumi-Grip Oberhang Length of Holder (mm) Work: Carbon steel (ø 60mm, HB250) Width of Insert: 3 mm Cutting Data: v c = 150 m/min, f = 0,1 mm/rev

Work material: Ck 45 (ø 60mm, HB250) Insert width and type : 3 mm, WCFN 3A (AC225) Cutting conditions: vc = 150 m/min, Wet

Beautiful surface finish