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Proper Grinding of Metal Shear Blades
When the blades of a Metal Shear become dull, proper grinding is essential to restore their cutting efficiency and prolong their lifespan. Here's a step-by-step guide to correctly grind the blades.
1 Safe Blade Removal
- Disconnect power source and release hydraulic pressure
- Use appropriate tools for blade removal
- Mark blade orientation for correct reinstallation
⚠️ Always follow lockout/tagout procedures before servicing equipment
2 Blade Cleaning
- Remove all metal shavings and debris
- Use degreaser and wire brush
- Ensure complete cleanliness before grinding
3 Grinding Process
- Select appropriate equipment (surface grinder)
- Choose correct grit size for blade material
- Maintain manufacturer's specified angle (14°-22°)
- Move blade steadily and evenly across wheel
- Avoid overheating to preserve hardness
4 Finishing & Testing
- Perform fine-grinding for smooth edge
- Check sharpness with protective gloves
- Remove all burrs and residue
- Reinstall securely and aligned
- Test on scrap metal before production