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TAC countering mills<br />
TCB<br />
Counter<br />
Milling<br />
Diameter<br />
ø14 ~ 39 mm<br />
90°<br />
Steel<br />
Stainless<br />
Cast Iron<br />
For counter milling of general steels, cast irons<br />
and stainless steels<br />
Rake angle: A.R. Pozitive R.R. Negative<br />
øD1<br />
øD (Min.)<br />
øDs h6<br />
90°<br />
R1<br />
1.75×øD1<br />
10<br />
L<br />
60<br />
Rs<br />
Cat. No.<br />
TCB-140<br />
TCB-175<br />
TCB-200<br />
TCB-230<br />
TCB-260<br />
TCB-290<br />
TCB-320<br />
TCB-350<br />
TCB-390<br />
Stock<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
No. of<br />
inserts<br />
1<br />
2<br />
Dimensions (mm)<br />
øD 1 øDs øD R1 Rs L<br />
14 4.0 18 117<br />
17.5<br />
7.1 22 115<br />
25<br />
20 8.2 25 120<br />
23 11.0 29 126<br />
26<br />
33 80 132<br />
14.0<br />
29 30 138<br />
32 32 16.9 - 144<br />
35 14.0 - 150<br />
39 17.9 - 158<br />
Applicable<br />
screw size<br />
M8<br />
M10<br />
M12<br />
M14<br />
M16<br />
M18<br />
M20<br />
M22<br />
M24<br />
Applicable inserts<br />
SPMP831DS<br />
SPMP042ERD<br />
SPMM322ERD<br />
SPMM432ERD<br />
Clamping screw<br />
CSTB-2.2S<br />
CSTB-2.2<br />
CSTA-NO3<br />
CSTA-NO5<br />
CSTA-4<br />
Wrench<br />
T-7D<br />
T-9D<br />
T-15D<br />
Inserts<br />
r ε<br />
9<br />
A<br />
s<br />
11°<br />
TAC Mills<br />
Cat. No.<br />
SPMP831DS<br />
SPMP042ERD<br />
SPMM322ERD<br />
SPMM432ERD<br />
Accuracy<br />
M<br />
Coated<br />
T313W<br />
<br />
<br />
<br />
<br />
Note: No dimples on SPMP831DS.<br />
Dimensions (mm)<br />
A s r ε<br />
6.35 2.38 0.4<br />
7.938<br />
3.18<br />
9.525 0.8<br />
12.7 4.76<br />
Application<br />
Steel ·<br />
Cast irons<br />
Standard cutting conditions (for TCB-200)<br />
Work materials<br />
Carbon steels<br />
Stainless steels, Mild steels<br />
Cast irons<br />
Grade<br />
Cutting speed<br />
v c (m/min)<br />
T313W 80 - 150 0.12 - 0.24<br />
T313W 150 - 200 0.05 - 0.12<br />
T313W 70 - 130 0.20 - 0.40<br />
Notes : • For cutters under 20 mm diameter, be sure to use a cutting fluid and select lower<br />
cutting speeds than shown above.<br />
• For TCB-140 type, reduce the feeds to 1/2 of the values shown in the table.<br />
Feed<br />
f (mm/rev)<br />
Cutting fluid<br />
Water soluble type<br />
Water soluble type<br />
Water soluble type or dry cutting<br />
: Stocked items.<br />
<br />
<br />
Technical Reference<br />
(15-1)<br />
9–129
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