The Grdae Introduction of Solid CBN Corner Inserts

Grade

Fetures

Main Application

Structure

HV

Cutting Material

For below Industry

S70

● Best suitable for high speed finish machining of cast iron.
●Realizing the high efficiency processing of sintered alloy.
●Corresponding to various difficult processing materials, taking into account cast iron and hardened steel, better on heat-resistance.

Cast iron/Hardened steel 
semi-finishing/fine finishing

Brazing CBN tips

3700-3900

Cast Iron/Hardened steel

Auto brake disc, Brake Drum, Cylinder blocks of car engines, Cylinder liner, Gear，Bearing.

S80

●Best apply to high speed fine finishing cutting of Cast Iron, meet more than V=500m/min high speed cutting，show its excellent surface roughness and long tool life. 
● Make high efficiency machining of the sintered alloy come ture.
●All kinds of material of hard cutting, conclude Cast Iron and hardened steel.

Cast Iron fine finishing

Brazing CBN tips

3700-4000

Cast Iron

Auto brake disc, Brake Drum, Cylinder blocks of car engines, Cylinder liner, Gear, Bearing.

S90

●Common CBN material for all machining of Hardened steel.              
● Updated material with wear-resistance and anti-breakage.  
● From continuous cutting to light -middle-interrupted cutting，the stability and sharp are improved, the surface roughness are also very stable.

Hardened steel continuous/Interrupted Cutting

Brazing CBN tips

3900-4100

Hardened steel

Wind power bearing，Crankshaft, Mine machinery, Automobile gear,etc.

S91

●Excellent wear-resistance and heat-resistance   
●High speed continuous turing and milling.
●Be applied in semi-finishing and finishing of hardened steel parts, eg. Bearing steel, Mould steel, Gauge steel,Tool steel,HSS. etc material.

Hardened steel continuous Cutting

Brazing CBN tips

3300-3500

Hardened steel

Gear, Bearing. etc.