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   RBA NC power vices


For the universal application on milling
machines and machining centers.
Horizontal, vertical or side mounting with
height adjustment ±0.02.
Standard version, high reliability, long
working life and high precision

Clamping system mechanical-hydraulic with
power transmitter, manually operated.



Technical features:
•  steel body with stationary jaw, uniformly forged into the die
•  locking device for the mechanical pre-clamping of workpieces
•  automatic reclamping in the hydraulic unit via the installed belleville spring
•  all wear parts, primarily the jaw guides, are hardened and ground
•  robust guide surface of the movable jaw

Customer advantage:
•  robust and maintenance-free spindle
•  rapid-change hydraulic unit
•  with normal jaws and hand crank
•  locking pin is protected against dirt and chips
•  rapid adjustment of the clamping range via locking pin






Tool group A27, Type 748-10 RBA
Standard version

  Item_no.    153394   153395   153396   153397 
Size 1 2 3 4
Jaw width A 92 113 135 160
Index system Standard Standard Standard Standard
B 0-100 0-170 0-220 0-310
C 31.6 31.6 39.6 49.6
D max 490 583 681 817
E±0.02 91.2 97.7 112.7 133.7
F 310 390 468 574
G±0.02 59 65.5 72.5 83.5
H±0.02 50 55 70 80
J 218 236.5 262 298
K±0.02 94 115 137 162
L±0.02 130 190 190 240
M 61.5 68 78 93
T±0.02 12.5 17.5 17.5 22.5
Y -0.01 11.6 11.6 15.6 15.6
a 63 63 80 100
b 13.6 13.6 15.6 19.6
c M6 M6 M8 M8
d 12 12 13 13
e±0.02 89.5 96 111 132
Clamping force kN 25 30 40 50
Weight kg 15.5 24 39 60
We have the right to make technical changes.



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