1. Product Overview
The THK HSR45LR Linear Block is an extended-size linear guide slider manufactured by THK in Japan, designed for high-precision linear motion applications. It is part of the HSR series, known for its rigidity, accuracy, and long service life. This linear block is suitable for various industrial machinery requiring smooth and reliable linear movement.
Key features include:
- Manufactured by THK, Japan, ensuring high quality and precision.
- HSR45LR (Extended size slider) for enhanced load capacity and stability.
- Designed for use with THK linear guide rails (sold separately).
Figure 1.1: THK HSR45LR Linear Block. This image shows the main linear block component, highlighting its robust construction and lubrication point.
2. Package Contents
Upon opening the package, please verify that all components are present and undamaged.
- 1 x THK HSR45LR Linear Guide Slider
Figure 2.1: THK HSR45LR Linear Block as packaged. The image displays the linear block alongside its original THK packaging, indicating a genuine product.
3. Installation Guide
Proper installation is crucial for the optimal performance and longevity of the linear block. Ensure the linear guide rail is clean and free of debris before mounting the block.
3.1 Pre-Installation Checks
- Inspect the linear block and rail for any signs of damage or manufacturing defects.
- Ensure the mounting surface is clean, flat, and rigid.
- Confirm that the linear guide rail is securely fastened to its mounting surface.
3.2 Mounting the Linear Block
- Carefully slide the linear block onto the linear guide rail. Avoid dropping or forcing the block, as this can damage the internal ball bearings.
- Align the mounting holes on the linear block with the corresponding holes on the moving component or machine part.
- Secure the linear block using appropriate fasteners (e.g., bolts, screws) and torque them to the manufacturer's recommended specifications. Ensure even tightening to prevent distortion.
- Verify smooth movement of the linear block along the entire length of the rail after installation.
Figure 3.1: Physical dimensions and parameters of the HSR45LR Linear Block. This image provides key measurements (e.g., 170.8mm length, 80mm width, 86mm height) essential for proper integration and mounting.
4. Operation
The THK HSR45LR Linear Block is designed for precise and smooth linear motion. Once properly installed and lubricated, it requires minimal operational intervention.
4.1 Normal Operation
- Ensure the linear block operates within its specified load capacity and speed limits to prevent premature wear or damage.
- Avoid exposing the linear block to excessive shock loads or vibrations beyond its design parameters.
- Regularly monitor the system for any unusual noises, vibrations, or resistance during movement, which may indicate a need for maintenance or inspection.
5. Maintenance
Regular maintenance is essential to ensure the long-term performance and reliability of your THK HSR45LR Linear Block.
5.1 Lubrication
Proper lubrication is critical for the smooth operation and extended life of the linear block. The lubrication interval depends on the operating conditions (load, speed, environment).
- Use a high-quality lithium-soap based grease or a recommended lubricant for linear motion systems.
- Apply grease through the designated grease nipple on the linear block using a grease gun.
- Move the linear block along the rail several times after lubrication to ensure even distribution of grease.
- For continuous operation, consider an automatic lubrication system.
5.2 Cleaning and Inspection
- Keep the linear block and rail clean and free from dust, chips, and other contaminants. Use a clean, lint-free cloth.
- Periodically inspect the linear block for any signs of wear, corrosion, or damage to the seals.
- Check the tightness of all mounting bolts.
6. Troubleshooting
This section provides solutions to common issues you might encounter with your linear block.
| Problem | Possible Cause | Solution |
|---|---|---|
| Stiff or rough movement | Lack of lubrication, contamination, misalignment, overtightened bolts | Apply proper lubrication, clean rail/block, check alignment, loosen/retighten bolts evenly. |
| Increased noise during operation | Insufficient lubrication, worn components, contamination | Lubricate thoroughly, inspect for wear, clean system. |
| Reduced accuracy or play | Wear of internal components, improper preload, loose mounting bolts | Inspect for wear (may require replacement), check mounting bolt tightness. |
7. Technical Specifications
| Specification | Value |
|---|---|
| Model Number | HSR45 |
| Product Dimensions (L x W x H) | 5.47 x 3.39 x 2.76 inches |
| Item Weight | 2.86 Kilograms (6.31 Pounds) |
| Brand | FLISH |
| Manufacturer | Flish |
| UPC | 756407651597 |
| Date First Available | May 12, 2025 |
8. Warranty and Support
This THK linear block is manufactured to high standards. For specific warranty information, please refer to the documentation provided by the original seller or contact the manufacturer, THK, directly. For product support or inquiries related to your purchase, please contact FLISH customer service through the platform where the product was acquired.
