

CNC Rotary Table
ø255
GXA-255H
Worktable diameter Ø255, Ø320, Ø400.
Big spindle bore allow the more complex parts clamping and fixture.
Ultra high clamping force by drum brake system.
Consolidated spindle with radial-Axial bearing built-in.
Full gear depth transmitted by dual lead worm drive, resulting in higher efficiency and lower backlash.
- SPECIFICATIONS
Specifications
| MODEL | Unit | GXA-255H | |
|---|---|---|---|
| Worktable Diameter | mm / inch | Ø255 / Ø10.04 | |
| Center Bore Diameter | mm / inch | Ø140H7 / Ø5.51H7 | |
| Through-bore Diameter | mm / inch | Ø100 / Ø3.94 | |
| Height of Table (Horizontal) | mm / inch | 210 / 8.27 | |
| 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 | |
| Standard Loading Inertia* | (W.D2/8) | kg.m2 | 2.43 |
| Maximum Loading Inertia* | (W.D2/8) | kg.m2 | 12 |
| Resolution | deg. | 0.001 | |
| Indexing Accuracy | sec. | 15 | |
| Repeatability (ISO 230-2 / JIS B6192) | sec. | 6 | |
| Repeatability (JIS B6330) | sec. | 4 | |
| Net Weight (Servo Motor Excluded) | kg / lb | 114 / 251 | |
| Allowable Loading Capacity | Vertical | kg / lb | 150 / 330 |
| Horizontal | kg / lb | 300 / 660 | |
| Rotary Tailstock Applied | kg / lb | 300 / 660 | |
|
FxL When Table Clamped |
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N / lbs. | 20000 / 4488 |
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N.m / ft. lbs. | 1700 / 1252.9 | |
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N.m / ft. lbs. | 900 / 663.3 | |
| Allowable Cutting Torque | ![]() |
N.m / ft. lbs. | 550 / 405.35 |
| Allowable Max. Rotary Joint Quantity | 6 | ||
Note:
1. Allowable cutting torque at table speed of 1 min-1.
2. Standard loading inertia* is allowed in max table speed. Contact detron for the necessary adjustment of speed and others when maximum loading inertia* is required.
3. FxL When table clamped is a reference data, the users should consider proper safety factor or contact detron for details.
1. Allowable cutting torque at table speed of 1 min-1.
2. Standard loading inertia* is allowed in max table speed. Contact detron for the necessary adjustment of speed and others when maximum loading inertia* is required.
3. FxL When table clamped is a reference data, the users should consider proper safety factor or contact detron for details.

















