HSK BALANCE-CUT BORING ARBOR （ RAC-A ）
Balance cut boring bar executes boring in 2 cartridge inserts absorbing the vibration each other. The faster the feed rate, the better swarf ejection. This is Ideal for rough and medium boring. Double Cutting Capability Example of 2 Stepped Balance Cut
Approx. double removal of below cutting condition is possible by -0.3 Cartridge. P.68
0.3mm
P.254
Boring Range D
Boring Depth M
Spacer Code No.̶
Shank Code No.
Weight (kg)
TAPER
Code No.
C
C 1
Fig
Tip No.
Head Code No.
HSK100A-Q12- 95 -Q12-125 -Q12- 95 -Q16-125N -Q16-155 -Q16-125N
HSK100A-RAC 25-150A -180A -195A -RAC 32-180A
67 105 112 77 110 122 97 130 142 157 117 182 177 202 232 262 225 290 315
3.9 4.1 4.0 4.6 4.8 4.8 4.9 5.0 5.3 5.4 6.1 6.2 6.8 8.7 9.1
1
25 ～ 32
12-RAC 25- 55A
24
15
SP12-12-45̶
2
AEG12
1
32 ～ 45
16-RAC 32- 55A
-210A -225A -RAC 43-180A -195A 225A -240A -RAC 53-210A -240A -270A -RAC 70-255A -285A -315A -RAC100-225A
50
31
SP16-16-45̶
2
-Q20-110 -Q20-125 -Q20-110 -Q20-110 -Q26-140 -Q26-170N -Q26-140 -Q34-170 -Q34-200 -Q34-170 -Q42-125 -Q42-190 -Q42-125
1
60
40
43 ～ 55
20-RAC 43- 70A
SP20-20-45 SP20-20-60̶
2
HSK100A
1
53 ～ 70
26-RAC 53- 70A
65
53
AEG16
SP26-26-60̶
2
1
70 ～ 100
34-RAC 70- 85A
80
64
SP34-34-60̶
10.1 11.7 11.7 15.1
2
1
100 ～ 130
42-RAC100-100A
-290A -315A
83
83
SP42-42-90
2
★ “ F ” grade inserts are supplied as standard with the head.
P.254 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. HSK100A-RAC53-210A-C ★ For HSK40A or 50A , modular connection system is applied. Please refer P.267 for Base Holder. ★ HSK100A-RAC100-375A, 425A and 475A are also available. ★ Lubrication Pipe is optional. Please refer P.298 P.267 for base holder, P.90 for spacer and
Insert tip for RAC-A
Steel Stainless Steel Cast Iron Aluminium
Please add the grade indication into ○ , and add the insert tip material indication at the end off the Code No. e.g. AEG16-F2 （ KW10 ）
Material
Coated Carbide K ●
Code No. Nose R Material Grade
F
KW10
Dimension
Applicable Arbor
● ● ● ● ● ●
AEG12- ○ 1 AEG12- ○ 2 AEG12- ○ 4 AEG16- ○ 1 AEG16- ○ 2 AEG16- ○ 4
0.1 0.2 0.4 0.1 0.2 0.4
9.5
3.18
20 °
RAC25A, RAC32A
φ 3.4
7.938
80 °
（ AEGT090304L ）
15.875
3.18
20 °
RAC43A-RAC530A
φ 4.4
9.525
80 °
（ AEGT150304L ）
★ Minimum order quantity : 10pcs.
254
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