Page 5 - TURNING CATALOG p459-634

PARTING SELECTION GUIDE PARTING

JT-Type J-Type

Based on the J-type chipformer with a • First choice for soft materials, parting tubes,
T-land reinforced frontal cutting edge. small diameters and thin-walled parts

• Provides a solution for the intermediate range • Cutting edge with positive rake
between the strong and negative C-type configuration • Low-to-medium feed
and the positive edged J-type chipformer.
f ≈ W insert [mm/rev]
• Can be used on a wide range of materials. 26
• Same manner as the J-type, but it can be used
High
at higher feeds due to its reinforced edge. Temp.
Alloys
f ≈ W insert [mm/rev] Alloy Austenitic Nonferrous Cast
24 Steel Stainless 3 Materials Iron

3 3 37

Alloy Austenitic High Nonferrous Cast Recommendations are for neutral inserts.
Steel Stainless Temp. Materials Iron For R/L inserts, reduce feed by 20-40%.
Alloys
3 3 7 3
3

5° 4°
7°

7° Recommended feed range as a function of insert width
Feed
Recommended feed range as a function of insert width mm/rev
Feed 0.25
mm/rev 0.22
0.30
0.25 0.18
0.14
0.20
0.15 0.10

0.10 0.06
Width
0.02 Width
2 3 4 5 6 7 mm 1.0 1.4 1.6 2.0 3.0 4.0 5.0 6.0 mm

463