RTB-Series
Zero Backlash Roller Gear Cam Titling 2-Axis Rotary Table
Product Description
  • Zero Backlash
  • Precision
  • Speed
  • Rigidity
  • Torque
Specification UnitRTB250
RTB250L
RTB320BS
RTB650
Table Diameter mm Ø250 Ø250 Ø320 Ø650
Center Height(Vertical) mm 220 290 365 350
Table Surface Height(Horizontal) mm 310 290 - 300
Reference Hole Diameter mm Ø55H7 Ø75H7 Ø76H7 Ø50H7
Through Hole Diameter mm Ø30H7 Ø30H7 - -
Table Width mm 12H7 12H7 12H7 18H7
Degree of Reference Channel Width mm 18h7 18h7 18h7 -
MIN. Increment deg. 0.001° 0.001° 0.001° 0.001°
Swing Angle deg. Rotating Axis 
360°
Tilting Axis
+30°~-110°
Rotating Axis
360°
Tilting Axis
+30°~-110°
Rotating Axis
360°
Tilting Axis
+30°~-110°
Rotating Axis
360°
Tilting Axis
-70°~+110°
Servo Motor
(Customer's choice)
FANUC αiF 4 αiF 4+B αiF 4
βiS 8
αiF 8+B
βiS 12+B
αiF 8
βiS 12
αiF 8+B
βiS 12+B
αiF 12 αiF 30+B
MITSUBISHI   HG154S HG154S+B HG154S HG154S+B HG154S HG154S+B HF204S HF703S+B
SIEMENS   1FK7060 1FK7060+B 1FK7060 1FK7063+B 1FK7063 1FK7063+B 1FK7086 1FK7105+B
HEIDENHAIN   QSY116C QSY116C+B QSY116E QSY116J+B QSY116E QSY116J+B QSY155C QSY190D+B
MAX. Rotation Speed(Motor 3000 min-1)
Values are Deterined by the Motor
rpm 66.6 31.25 50 31.25 50 25 50 33.3
Gear Ratio 1/45 1/96 1/60 1/96 1/60 1/120 1/60 1/90
Indexing Accuracy arc-sec 15 30 15 30 20 40 15 15
Repeatability Accuracy arc-sec 6 8 4 8 4 8  4
Clamp System(Pneumatic/Hydraulic) H H H H H H H H
Pneumatic/Hydraulic Pressure kg/cm2 35 35 35 35 35 35 35 35
Pneumatic/Hydraulic Clamping Torque kg.m 60 180 60 180 90 180 250 450
MAX.Allowable Load on the Table Level  kg 120 120 200 500
Tilt  kg 80 80 200 500
MAX.Allowable Thrust Load on the Table (When Clamped) Allowable Axial Load kgf 1632 1632 - -
MAX. Output Torque kgf.m 92 92 - -
Allowable Bending Torque kgf.m 92 92 - -
MAX. Allowable Moment of Inertia proimages/五-6.PNG kgf.m2
0.4 0.4 - -
Maximum Workpiece Inertia kgf.m2
- - - 396
Allowable Rotary Cutting Force kgf.m
- - - 78
Net Weight(servo motor excluded) kg 320 460 725 1220

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