THR-170

THR-170 CNC Rotary Table for External 4th Axis Retrofit

The THR-170 is a compact single-axis CNC rotary table with a 170 mm worktable for adding indexed fourth-axis capability to existing 3-axis machining centers. It helps reduce repeated manual re-clamping for multi-face machining, radial drilling, bolt circles and repeatable angular positioning.

The table uses hydraulic clamping. For a retrofit project, select the rotary table together with the fixture, external controller, servo system and CNC communication method after checking the host machine layout.

Key Specifications

Retrofit Planning Checklist

• Check the available machine-table area, load capacity and X/Y/Z travel.
• Confirm workpiece dimensions, fixture height and required indexing positions.
• Provide the CNC model and cabinet details to evaluate RS232 or I/O triggering.
• Plan the hydraulic, servo and electrical-cabinet arrangement as one package.

Frequently Asked Questions

Can THR-170 add a fourth axis to a 3-axis CNC? Yes. It can be used as part of an external indexed 4th-axis retrofit after the mechanical layout and control method are reviewed.

How do I choose between THR-170 and a larger table? Start with workpiece size, fixture height, machine travel and required bore or table dimensions, rather than choosing only by the diameter of the worktable.

Related pages: 4th axis CNC rotary tables, external axis controllers, and CNC compatibility guide.