TJR Worm Gear Dual Arm Tilting Rotary Table - FAR Ø170

Balanced dual-arm design delivering stable torque across extended reach applications.

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TJR CNC Rotary Table Product Details And Specifications

FAR-170A

FAR-170A Product Specifications

FAR-170A Product Specifications
ItemData
ApplicationVertical and Horizontal
Installation ModeAdd-on
Table diameter(mm)Ø170
Inner diameter of mandrel sleeve(mm)Ø40H7
Diameter of center through hole(mm)Ø 40
Table height (Horizontal)(mm)245
Table T-slot width(mm)12H7
Guide block width(mm)18h7
Axis / Rotation360°
Axis / Tilt(-100°~+100°)

Frequently Asked Questions

The TJR FAR-170A has a table diameter of 170 mm (Ø170). Its compact dual-arm design provides a rigid workholding platform while allowing the rotary table to be integrated into CNC machining centers for 4th- and 5th-axis machining.

The FAR-170A uses a worm and worm gear transmission mechanism on both the rotary and tilt axes. TJR's worm-and-gear design uses a full tooth-depth configuration and is designed to provide good load resistance, reliable operation, and adjustable backlash after wear.

The rotary axis provides a full 360° rotation, while the tilting axis has a range of -100° to +100°. This wide tilting range allows the FAR-170A to reach multiple workpiece surfaces and machining angles for complex multi-axis operations.

The FAR-170A has a rotary-axis indexing accuracy of 20 arc-seconds with 6 arc-seconds repeatability. The tilt axis provides 60 arc-seconds of indexing accuracy and 8 arc-seconds of repeatability. Its minimum incremental angle is 0.001°, supporting precise positioning during CNC machining.

The FAR-170A uses pneumatic clamping on both the rotary and tilt axes at 0.6 MPa (6 kg/cm²). The rotary axis provides a clamping torque of 245 kgf·m, while the tilt axis provides 304 kgf·m, helping keep the table securely positioned during machining.

The FAR-170A can support a maximum workpiece load of 60 kg when the rotary axis is horizontal at 0°. When the rotary axis is tilted from 0° to 90°, the allowable workpiece load is 40 kg. Its allowable horizontal inertia load capacity is 0.22 kg·m².

The rotary axis has a 1:72 speed reduction ratio and a maximum table rotation rate of 33.3 rpm. The tilt axis uses a 1:90 reduction ratio with a straight shaft or 1:120 with a taper shaft, and has a maximum table rotation rate of 25 rpm. The actual operating speed can vary depending on the selected motor.

The FAR-170A can be configured with major CNC servo motor systems including FANUC, Mitsubishi, Yaskawa, Siemens, Heidenhain, and Syntec. TJR's published specifications list FANUC αiS4 / βiS4 motors for the rotary axis and αiF4 / βiS8 motors for the tilt axis. Mitsubishi options include HG-75 / HG-105 for the rotary axis and HG-54 / HG-104 for the tilt axis.

The FAR-170A has a Ø40 mm center through hole and a mandrel sleeve with an inner diameter of Ø40H7. The table also features a 12H7 T-slot and an 18h7 guide-block width for accurate installation and workholding.

Yes. The FAR-170A is a dual-arm tilting rotary table designed for both vertical and horizontal installation. Its 360° rotary axis and -100° to +100° tilting axis provide two-axis movement, allowing a standard 3-axis machining center to perform 4th- and 5th-axis machining, multi-sided machining, and complex-angle operations.

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