
- Home/
- Products/
- 4th Axis CNC Rotary Table/
- Hirth Coupling Index Table/
- TJR Hirth Coupling Index Table - HI Ø800
TJR Hirth Coupling Index Table - HI Ø800
Sub-arcsecond angular precision for demanding multi-face machining operations.
HHI-800x800
HHI-800x800 Product Specifications
| Item | Data |
|---|---|
| Application | Horizontal |
| Installation Mode | Add-on |
| Table diameter(mm) | Ø800x800 |
| Diameter of center through hole(mm) | Ø50x27deep |
| Table height (Horizontal)(mm) | 380 |
| Table T-slot width(mm) | 22H7 |
| 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-800x800 is a Hirth coupling index table made for horizontal CNC machining.
The table size is 800 x 800 mm, making it suitable for large workpieces.
It uses a hydraulic Hirth coupling system to hold the table securely during machining.
It has an indexing accuracy of ±5 arc seconds and repeatability of ±1 arc second.
The HHI-800x800 can index in 1-degree or 5-degree increments.
The maximum rotation speed is 11.1 rpm.
It can handle a horizontal workpiece load of up to 4,000 kg.
The HHI-800x800 uses a worm and worm gear transmission system with a 1:180 reduction ratio.
It is available with FANUC βiS22 and Mitsubishi HF/HG-354 servo motor options.
The HHI-800x800 is suitable for horizontal CNC machining applications that require accurate indexing, strong clamping, and stable positioning of large and heavy 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.





