CNC Rotary Table
ø255

GVA-255HBⅡ
Worktable diameter Ø170, Ø210 , Ø255.
GVA-SB series is new "super multiple brake" mechanism for pneumatic clamp.
Full gear depth transmitted by dual lead worm drive, resulting in higher efficiency and lower backlash.
Inquiry
  • SPECIFICATIONS
Specifications
MODEL Unit GVA-255HBⅡ
Worktable Diameter mm / inch Ø255 / Ø10.04
Center Bore Diameter mm / inch Ø140H7 / Ø5.51H7
Height of Center (Vertical) mm / inch 190 / 7.48
Width of T-slot mm / inch 12H7 / 0.47H7
Width of Guide Block mm / inch 18 / 0.71
Clamping Method / Pressure MPa / psi Hydraulic
5 / 725
Clamping Torque N.m / ft. lbs. 900 / 663.3
Servo Motor Spec   Refer to Page 77
Transmission Ratio   1 / 120
Max. Table Speed / At Specified Servo Motor Speed min-1 22.2 / 2664
Allowable Loading Inertia (W.D2/8) kg.m2 1.21
Resolution deg. 0.001
Indexing Accuracy sec. 15
Repeatability sec. 6
Net Weight (Servo Motor Excluded) kg / lb 149 / 328
Allowable Loading Capacity Vertical kg / lb 150 / 330.0
Rotary Tailstock Applied kg / lb 300 / 660

FxL

When Table Clamped

N / lbs. 20000 / 4488
N.m / ft. lbs. 1700 / 1253.0
N.m / ft. lbs. 900 / 663.3
Allowable Cutting Torque N.m / ft. lbs. 550 / 405.35
Note:
1. Allowable cutting torque at table speed of 1 min-1.
2. FxL When table clamped is a reference data, the users should consider proper safety factor or contact detron for details.