HGR15-HGR65 Square Linear Guide Rail Hiwin Size

Key Technical Parameters

• Rated Load (Static/Dynamic): High load capacity for heavy machinery, with static load up to hundreds of kN.

• Accuracy Class: Standard precision (N), high precision (H), precision (P), super precision (SP), ultra precision (UP).

• Rail Size: Width, height, length (customizable), and load-bearing capacity increase with size.

• Preload Class: Z0 (no preload), Z1 (light), Z2 (medium), Z3 (heavy) for rigidity and anti-backlash.

• Travel Length: Unlimited by rail splicing, suitable for long-stroke applications.

• Speed & Acceleration: Max linear speed up to 5m/s, acceleration up to 50m/s⊃2;.

• Material: High-carbon chromium bearing steel (GCr15) or stainless steel for corrosion resistance.

Advantages of Heavy-Duty Linear Guideways

Heavy-duty linear guideways are core components in precision machinery, designed to handle high loads while maintaining stable motion. Their key advantages are as follows:

1. High Load-Bearing Capacity

Adopts a robust structure and large contact area, capable of withstanding heavy axial, radial and moment loads, suitable for heavy machinery and large equipment.

2. Excellent Rigidity & Stability

High-strength alloy steel material and optimized rail design minimize deformation, ensuring stable operation even under heavy loads and impact.

3. High Precision & Low Friction

Roller or ball circulation structure reduces friction, enabling smooth linear movement with high positioning accuracy and repeatability.

4. Long Service Life & Wear Resistance

Surface hardening treatment and precision grinding improve wear resistance, reducing maintenance frequency and extending service life.

5. Strong Versatility

Compatible with various automation equipment, machine tools, injection molding machines, packaging machinery and heavy-duty handling systems.

6. Easy Installation & Maintenance

Modular design simplifies installation; sealed structure prevents dust and debris, reducing maintenance costs.

7. High-Speed & High-Stiffness Operation

Supports high-speed linear motion while maintaining rigidity, improving production efficiency.

Installation & Usage Guidelines

• Mounting Surface: Ensure flatness, parallelism, and rigidity; use precision machining or grinding.

• Alignment: Align parallelism between rails and slide blocks with gauge blocks or dial indicators.

• Lubrication: Apply grease/oil regularly to reduce friction and extend service life.

• Preload Adjustment: Set preload based on load and rigidity requirements.

• Protection: Install dust-proof seals/bellows to prevent dust, chips, and coolant contamination.

• Avoid Overload: Operate within rated load to prevent premature wear or damage.

Main Applications of Heavy-Duty Linear Guideways

• CNC Machine Tools: Machining centers, lathes, grinders, milling machines.

• Heavy Machinery: Presses, injection molding machines, forging equipment.

• Automation Equipment: Robotic arms, assembly lines, material handling systems.

• Semiconductor & Precision Equipment: High-precision positioning platforms.

• Transportation & Logistics: Linear motion systems for conveyors and lifting devices.