Page 58 - THREADING CATALOG

USER GUIDE
THREAD TURNING TIP Double-Ended Peripheral Ground Insert • GEPI inserts are suitable for minimum bore

CUT-GRIP Line for Internal Threading
with a Flat Top Rake (without Chipformer)
GEPI and TIPI inserts offer solutions for machining internal
threading. They are peripheral ground inserts with a
Designed for threading on short chipping materials such as
pressed chipformer. Both types of inserts are available
brass and cast iron. The use of the flat top rake inserts on
for partial profiles with 55° and 60° angle of cutting edge.
these materials results in improved surface quality and less
chatter, compared to inserts with a chipformer.
As a result, cutting speeds can be increased.
diameter of 12.5 mm (0.492 inches).
The following picture shows the excellent
surface quality obtained by using a TIP.... A-Type
diameter of 20 mm (0.787 inches).
insert on a brass workpiece. These types of
inserts are available for partial profile. • TIPI inserts are suitable for minimum bore
Description of GEPI Inserts According
to the Template Below

GEPI 2.5 - MT 0.05 IC908
1 2 3 4

1 Width of Cutting Edge (CW)
Brass Cast iron
CW

2 Angle of Cutting Edge (A)
MT —60°, WT —55°
3 Corner Radius (RE)
Description of TIP with a Flat Top Rake
(without Chipformer) According RE
to the Template Below

TIP 2 - A MT - 0.05 IC908 4 Grade
1 2 3 4 IC08, IC908

Description of TIPI Inserts According
1 Width of Cutting Edge (CW)
to the Template Below
CW
TIPI 3.4 WT - 0.10 IC908
1 2 3 4
2 Angle of Cutting Edge (A) 1 Width of Cutting Edge (CW)
MT — 60°
CW
3 Corner Radius (RE)

2 Angle of Cutting Edge (A)
RE
MT —60°, WT —55°
3 Corner Radius (RE)
4 Grade
IC908
RE

4 Grade
IC08, IC908

ISCAR
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