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- TJR Roller Gear Cam and Hybrid Worm Rotary Table - FRC Ø210
TJR Roller Gear Cam and Hybrid Worm Rotary Table - FRC Ø210
Combined cam and worm technology for versatile, high-accuracy positioning.
FRC-210L-RC255
FRC-210L-RC255 Product Specifications
| Item | Data |
|---|---|
| Application | Vertical and Horizontal |
| Installation Mode | Add-on |
| Table diameter(mm) | Ø210 |
| Inner diameter of mandrel sleeve(mm) | Ø40H7 |
| Diameter of center through hole(mm) | Ø 35 |
| Table height (Horizontal)(mm) | 270 |
| Table T-slot width(mm) | 12H7 |
| Guide block width(mm) | 18h7 |
| Axis / Rotation | 360° |
| Axis / Tilt | -110°~+110° |
Frequently Asked Questions
The TJR FRC-210L-RC255 has a table diameter of 210 mm (Ø210). Its larger table provides additional workholding capacity while maintaining the compact configuration required for multi-axis CNC machining.
The FRC-210L-RC255 uses a roller cam transmission mechanism on both the rotary and tilt axes. The roller cam design provides precise movement, high rigidity, low wear, and virtually backlash-free operation, making it suitable for demanding 4th- and 5th-axis machining applications.
The rotary axis provides a full 360° rotation, while the tilting axis offers a range of -110° to +110°. This wide tilt range allows the FRC-210L-RC255 to access multiple workpiece surfaces and complex machining angles for 5-axis CNC applications.
The rotary axis has an indexing accuracy of 30 arc-seconds and repeatability of 6 arc-seconds. The tilt axis provides 50 arc-seconds of indexing accuracy and 8 arc-seconds of repeatability. The minimum incremental angle is 0.001°, supporting precise multi-axis machining.
The FRC-210L-RC255 uses pneumatic clamping on both the rotary and tilt axes. The clamping system operates at 0.6 MPa (6 kg/cm²), with a rotary-axis clamping torque of 294 kgf·m and a tilt-axis clamping torque of 1,128 kgf·m. This provides strong holding force during heavy cutting operations.
The rotary axis can support a maximum workpiece load of 75 kg when positioned horizontally at 0°. When the rotary axis is tilted from 0° to 90°, the allowable workpiece load is 50 kg. The allowable inertia load capacity in horizontal operation is 0.59 kg·m².
The rotary axis has a 1:60 speed reduction ratio and a maximum structural rotation rate of 50 rpm. The tilt axis has a 1:90 reduction ratio and a maximum rotation rate of 25 rpm. Actual operating speed can vary depending on the servo motor selected.
The FRC-210L-RC255 is specified by TJR with FANUC and Mitsubishi servo motor options. FANUC options include αiF8 / βiS8 motors, while Mitsubishi options include HG-104 for the rotary axis and HG-154 for the tilt axis. For Yaskawa, Siemens, Heidenhain, and Syntec configurations, motor compatibility should be confirmed with TJR based on the specific CNC control and servo configuration.
The FRC-210L-RC255 has a Ø35 mm center through hole and a mandrel sleeve with an inner diameter of Ø40H7. It also has a 12H7 table T-slot and an 18h7 guide block width for accurate installation and workholding.
Yes. The FRC-210L-RC255 is designed for vertical and horizontal installation and combines a 360° rotary axis with a -110° to +110° tilting axis. Its roller cam transmission, high clamping torque, and precise positioning make it suitable for 4th- and 5th-axis CNC machining, including multi-sided and complex-angle machining in a single setup.
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