BALANCE-CUT BORING ARBOR
Boring for Roughing
L
φ C 1
Power of Shoulder Support
M
φ C
Perfect Contact
φ D
Cutting Force
h
h 2
L
φ C 1
M
φ C
φ D
φ Q
φ Q 1
RAC
h 2
h
h 1
(Spacer)
P.62
25 ～ 32 32 ～ 45 43 ～ 55 53 ～ 70 70 ～ 100 100 ～ 130 25 ～ 32 32 ～ 45 43 ～ 55 53 ～ 70 70 ～ 100 100 ～ 130 Boring Range D
Boring Depth M
Cupling Dia Q
Code No.
Weight (kg)
C 1 C
TAPER
12-RAC 25- 55E 16-RAC 32- 55E 20-RAC 43- 70E 26-RAC 53- 70E 34-RAC 70- 85E 42-RAC100-100E 12-RAC 25- 55E 16-RAC 32- 55E 20-RAC 43- 70E 26-RAC 53- 70E 34-RAC 70- 85E 42-RAC100-100E Q- Min.D -h 2 Head No.
Insert No.
Min.D -L MBTNo. -
MBT40-RAC 25-135E, 165E, 180E -RAC 32-150E, 180E, 195E -RAC 43-150E, 180E, 210E -RAC 53-165E, 210E, 225E -RAC 70-180E, 195E, 240E -RAC100-195E MBT50-RAC 25-150E, 180E, 195E -RAC 32-180E, 210E, 225E
CC07-C CC08-C
67, 105, 112 77, 110, 122 97, 130, 157 135, 180, 195 180, 195, 240 195
35 42 50 50 64 62 44 50 60 65 80 83
12 16 20 26 34 42 12 16 20 26 34 42
24 31 40 50 64 83 24 31 40 50 64 83
2.0, 2.1, 2.1 2.4, 2.6, 2.6 2.7, 2.9, 3.2 2.5, 3.3, 3.2 4.8, 5.2, 6.2 6.8
No.40
CC12-C
CC07-C CC08-C
67, 105, 112 77, 110, 122 97, 130, 142, 157
4.7, 4.9, 4.8 5.4, 5.6, 5.6 5.7, 5.8, 6.1, 6.2 6.9, 7.0, 7.6 9.5, 9.9, 10.9 12.5, 12.5, 16.5
-RAC 43-180E, 195E, 225E, 240E -RAC 53-210E, 240E, 270E -RAC 70-255E, 285E, 315E -RAC100-225E, 290E, 325E ＊
No.50
117, 182, 177 205, 235,265 225, 290, 325
CC12-C
★ “C” grade (Coated) inserts are supplied as standard with the head.
P.62 Please refer
P.106 for cutting condition.
★ Please refer P.67 for head. ★ For centre through coolant type, please add “-C” at the end of Code No. e.g. MBT40-RAC53-165E-C ★ Cartridges & Insert tips for the Heavy Duty Boring of Iron and Cast Iron (No letter) , for Aluminum (A) , and for Through Hole & Multiple Sheets (K) are available. Please refer P.68 for cartridges. Please add the letter “No letter” , “A” or “K” at the end of Code No. e.g. MBT40-RAC53-165A ★ Cartridge & Insert for Alloy Steel (E) is recommended for boring on steel and stainless steel. ★ ＊ : MBT50-RAC100-375E, 425E and 475E are also available. P.160 for base holder, P.90 for spacer and
Code No. of RAC25 and RAC32 with CC inserts are changed to RAC25E and RAC32E . Please refer P.59, P.60 ★ When L length is required longer than standard, please specify the boring depth M.
L
M
High Pressure Coolant Through Tool
161
Powered by FlippingBook