HGH Series Linear Guide
HGH Series Linear Guide for Heavy-Duty Linear Motion
The HGH Series Linear Guide is a heavy-duty, square-profile linear guideway engineered for industrial machinery requiring high load capacity, structural rigidity, accurate positioning, and smooth linear translation.
Kinematics & Load Balancing
Utilizing a four-row recirculating ball architecture arranged at a symmetrical 45° contact angle, the HGH Series delivers balanced load-bearing capacity across radial, reverse-radial, and lateral orientations. This geometry enables consistent rigidity and stability in horizontal, vertical, or inverted mounting planes. Furthermore, the precision-ground circular-arc raceways provide a calculated degree of self-aligning compliance, helping to absorb minor mounting bed irregularities and reduce installation time without compromising running accuracy.
Heavy-Duty Performance & Manufacturing Support
With its non-flanged square block profile and factory-calibrated preloaded rolling elements, the HGH Series is well-suited for CNC machine tools, vertical machining centers, grinding machines, heavy-duty automation cells, and industrial transfer systems.
Yongrun Precision supplies the HGH Series in a comprehensive range of standard sizes, with continuous single-piece rail lengths available from 100 mm to 4,000 mm. Custom cut-to-length sizing, specialized surface coatings, and full OEM/ODM manufacturing services are supported to match your specific engineering requirements.
| Parameter | Specification |
| Product Series | HGH Series (Heavy-Load Ball Type) |
| Guideway Profile | Linear Rail Guideway with Square-Type Block |
| Material Construction | High-Grade GCr15 High-Carbon Chromium Bearing Steel |
| Model Portfolio | HGH15CA, HGH20CA, HGH25CA, HGH30CA, HGH35CA, HGH45CA, HGH55CA, HGH65CA |
| Standard Rail Length | 100 mm – 4,000 mm |
| Custom Length Sizing | Available upon request |
| Internal Rolling System | Symmetrical Four-Row Recirculating Steel Balls |
| Contact Angle | Symmetrical 45° contact geometry |
| Load-Bearing Direction | Equal load rating: Radial, Reverse-Radial, and Lateral |
| Preload Options | Configurable based on application requirements (e.g., Z0, ZA, ZB) |
| Target Applications | CNC machining centers, machine tools, industrial automation, and heavy-duty equipment |
FAQ
Q: Which HGH models and sizes are available?
A: Our standard HGH square-type carriage lineup covers nominal sizes from 15 mm to 65 mm: HGH15CA, HGH20CA, HGH25CA, HGH30CA, HGH35CA, HGH45CA, HGH55CA, and HGH65CA. Super-heavy-load elongated blocks (HA series) and matching HGR rails are also available upon request.
Q: What rail lengths can you supply?
A: Standard continuous single-piece rail lengths range from 100 mm to 4,000 mm. We provide precision cut-to-length services according to your drawings, and rails can be precision-machined for end-to-end butt-jointing for extended travel strokes.
Q: Is the HGH Series suitable for CNC machinery?
A: Yes. The HGH Series features a high-rigidity square profile with a four-row circular-arc groove design. Its 4-way equal load capacity and structural damping make it well-suited for CNC milling machines, lathes, grinding centers, and automated machinery subjected to cutting forces.
Q: Can I order HGH linear guides customized to my drawings?
A: Yes. Yongrun provides comprehensive OEM and custom manufacturing services. You can supply CAD files, technical drawings, part numbers, or physical samples for technical evaluation and quotation.
Q: Can rails and blocks be supplied as pre-assembled sets?
A: Yes. We configure and supply complete linear guide assemblies tailored to your bill of materials, including specified rail lengths, block models, quantities, and pre-calibrated preload or accuracy grades.
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