
- Home/
- Products/
- 4th Axis CNC Rotary Table/
- Hirth Coupling Index Table/
- TJR Hirth Coupling Index Table - HI Ø630
TJR Hirth Coupling Index Table - HI Ø630
Sub-arcsecond angular precision for demanding multi-face machining operations.
HHI-630x630
HHI-630x630 Product Specifications
| Item | Data |
|---|---|
| Application | Horizontal |
| Installation Mode | Add-on |
| Table diameter(mm) | Ø630x630 |
| Diameter of center through hole(mm) | Ø50x27deep |
| Table height (Horizontal)(mm) | 320 |
| Table T-slot width(mm) | 18H7 |
| Guide block width(mm) | 18h7 |
| Transmission Mechanisms | Worm and Worm Gear |
| Min. increment(deg.) | 1 or 5 |
| Indexing precision(sec.) | ±5 |
Frequently Asked Questions
The HHI-630x630 is a Hirth coupling index table made for horizontal CNC machining.
The table size is 630 x 630 mm, making it suitable for large workpieces.
It uses a hydraulic Hirth coupling system for strong and secure clamping.
It has an indexing accuracy of ±5 arc seconds and repeatability of ±1 arc second.
The HHI-630x630 can index in 1-degree or 5-degree increments.
The maximum rotation speed is 16.6 rpm.
It can handle a horizontal workpiece load of up to 1,500 kg.
The HHI-630x630 uses a worm and worm gear transmission system with a 1:180 reduction ratio.
It is available with FANUC βiS22 and Mitsubishi HF/HG-204 servo motor options.
The HHI-630x630 is suitable for horizontal CNC machining applications that need accurate indexing, strong clamping, and stable positioning of large workpieces.
Related Products
Request a Quote
Tell us about your requirements, and we will develop a tailored solution for you
Download Digital Product Catalogue
Download the brochure and see what precision looks like.
Built on Innovation and engineered for Excellence.
We deliver precision indexing and rotary solutions that meet the highest standards of performance, trusted by manufacturers who demand accuracy, reliability, and results at every stage of production.





