NTK PVD Carbide – Precision Machine Parts – ST4

NTK PVD Carbide - Precision Machine Parts - ST4

The current product had issues such as scratches on the machined surface and insufficient chip control. However, chip control was improved with the GX breaker, and surface quality was further enhanced with the ST4, resulting in a doubling of tool life.

ST4 Carbide Insert
Industry Miniature
Component Precision Machine Parts
Material ISO code M - Stainless steelM - Stainless steel
Work material Magnetic Stainless Steel
Machine(spindle type) Swiss Lathe
Tool family Grooving
Tool category External grooving
Product name ST4 Carbide Insert
TSR No. 5408G
Precision Machine Parts

Tool

Tungaloy - NTK Competitor
Holder DS-GTTL19 Round shank
Insert GTMH32200RGX01 3-corner grooving insert with a 2mm width
Edges par insert 3 3
Grade ST4 Coated PVD

Tool life

Tungaloy - NTK Competitor
Tool life (pcs/edge) 1500 700

Cutting conditions

Tungaloy - NTK Competitor
Cutting speed V/c (m/min) 250 250
Feed f (mm/rev) 0.05 0.05
Depth of cut ap (mm) 0.55 0.55
Number of pass 3 3
Coolant WET WET

Result

Tool life2 times