What Parts Need To Be Replaced During Shredder Machine Maintenance?
Dec 17, 2025
1. Cutting Tool System: The cutting tools are the core component of the shredder machine and require regular inspection for wear. Replace them immediately if the blades show severe wear, deformation, or abnormal output shape (e.g., increased fibrous material). For processing ordinary carbon steel scrap, the lifespan of alloy blades is approximately 400-800 hours; for processing high-strength materials (e.g., manganese steel), the replacement cycle is shortened to 200-300 hours.
2. Bearings and Lubrication Components: Bearings require regular lubrication. Replace them if the temperature exceeds 50℃ or if wear is severe (e.g., the top clearance exceeds 1.5 times the original assembly clearance). For enclosed bearings, it is recommended to add lubricating oil every 300 hours; increase the lubrication frequency for continuous operation.
3. Screen Plates and Fasteners: Replace screen plates when they are worn to the point of having large holes or breakage. Inspect fasteners (such as bolts and nuts) quarterly and tighten any loose ones promptly. 4. Other Wear Parts
Hammer Blades and Pins: Hammer blades must be replaced after wear. Pins must also be replaced if damaged.
Side Guard Plates and Jaw Plates: Side guard plates must be replaced when wear reaches a certain level. Jaw plates must be replaced when 3/5 of the tooth height is worn away or cracks appear.
Spring Rods and Spring Components: Replace promptly if damaged or malfunctioning.
5. Maintenance Cycle Recommendations
Daily Maintenance: Clean residue after each use and check for tool entanglement.
Short-Term Maintenance (Every 15 Days): Check tool wear, bolt tightness, and safety devices.
Medium-Term Maintenance (Every 1-2 Months): Grind or replace worn tools and check belts/chains.
Long-Term Maintenance (Every 6 Months): Completely disassemble and inspect core components such as the cutter shaft and bearings.
