Kyocera - Основной каталог 2011-2012 ENG
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Classification of usage Carbon steel / Alloy steel TN90
Stainless Steel PR1225
Continuous-Light Interruption / 1st Choice Cast Iron PR1215
Continuous-Light Interruption / 2nd Choice Non-ferrous Metals GW15
Continuous / 1st Choice Titanium Alloy
Continuous / 2nd Choice Hard Materials ( 40HRC) Ref. Page for Toolholder
Hard Materials (40HRC )
Dimension (mm) Angle Cermet MEGACOAT Carbide
°
Shape Description W
r M L
H
tolerance -
Handed insert shows R-hand.
r GDM 2020N-020PM 2.0 0.2 1.5
L r 2520N-020PM 2.5 0.2 1.95
W±0.03 3020N-025PM
3° 3° 4020N-030PM ±0.03 20
3.0 0.25 2.3
M 4.0 0.3 3.3
H
2-Edge
W±0.03 GDM 2020R-020PM-6D 2.0 0.2 1.5
3° 3°
2520R-020PM-6D 2.5 ±0.03 0.2 1.95 20
M
H
L r 6° G26 G
G27
Cut-Off 2-Edge L 3020R-025PM-6D 3.0 0.25 2.3 4.3 G28
r GDMS 2020N-020PM 2.0 0.2 1.5
MM 3° 3°
W±0.03 3020N-025PM 3.0 ±0.03 0.25 2.3 20 -
H 4020N-030PM 4.0 0.3 3.3 Grooving
1-Edge
3° 3° GDMS 2020R-020PM-6D 2.0 0.2 1.5
W±0.03
L 3020R-025PM-6D 3.0 ±0.03 0.25 2.3 20 6°
r
H 4020R-030PM-6D 4.0 0.3 3.3
1-Edge Groove bottom created by
PM chipbreaker
Note) 1. Using the PM chipbreaker (for cut-off) for grooving cannot create a flat bottom Recommended
(See the right figure). Cutting Conditions G29
Indication of Description
Tolerance Symbol Width Hand of Tool Chipbreaker symbol
M Class M 20 2mm R R-hand GM Grooving and Traversing
G Class G 30 3mm L L-hand GL Low Feed
40 4mm N Neutral CM Copying
G D M S 30 20 N - 025 GM - 6D
Series No. of corners Insert Length Corner-R r Lead Angle
Without Indication 2-Edge 20 20mm 6D 6°
30 30mm 0.20 0.2mm
S 1-Edge 0.40 0.4mm
150R 1.5mm Full-R
Setting the inserts
1 Use compressed air or other measures to remove chips from the insert mounting part see (Fig. 1 .
2 Put the insert into the holder and push it until it makes contact with the back end of the holder’s surface (see Fig. 2 and 3).
3 Keeping the insert t to the surface, tighten the insert clamp bolt at an appropriate torque.
4 Make sure that there is no gap between the insert and the back end of the holder’s surface and that the insert is set straight.
Insert clamp bolt Recommended tightening torque : 6.5N m(Width 2 6mm)
8.0N m(Width 8mm)
Insert mounting part Holder’s surface for xing Fig. 3
the inserts back end
Fig. 1
Fig. 2
Std. Item
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