Page 118 - TURNING CATALOG p121-254

ISOTURN INSERTS USER GUIDE

Ceramic Cutting Tools IS80 CVD Coated Si3N4

High Speed Rough Turning on Grey Cast Iron
• Multi-layered coating on IS8 matrix
• Roughing and interrupted cutting of cast iron

* Coolant is not recommended for interrupted cutting

IS9 Si3N4
Turning Nickel Based Alloys
• Very tough Si3N4 ceramic grade with high cutting edge stability
• Machining on nickel based high temprature
alloys, in roughing to finishing applications
• Honing is the standard edge preparation

IW7 AL2O3+Sic Whiskers

Main Advantages Cutting Speed (m/min)

• High hardness (HV 2,100)

• High fracture toughness due to SiC (silicon

carbide) whisker - reinforced ceramics 450

• Excellent thermal shock resistance, which enables

using coolant and interrupted cut machining

• Excellent for roughing and semi-finishing operations at 8-10 IW7
times faster cutting speeds when compared with carbide grades

• Good oxidation resistance due to its alumina substrate IS9

150

30 IC20 0.30 Feed (mm/rev)

0.1 0.15

238 ISCAR