How To Extend The Lifespan Of A Copper Granulator Machine
May 25, 2026
I. Adhere to Prevention First and Implement Tiered Maintenance
Regular maintenance is the core of extending equipment life.
1. Daily Post-Operation: Promptly clean residual material from the hopper, die head, cutter, and inside the rollers to prevent corrosion and blockage; check all lubrication points for insufficient oil, paying particular attention to bearings, gearboxes, and transmission components.
2. Weekly Inspection: Check the temperature rise of the pressure roller bearings, belt tension, and the tightness of the electrical control system wiring; clean the screen and filter element to ensure smooth ventilation.
3. Monthly Maintenance: Change the gearbox lubricating oil (68# or 100#-120# industrial gear oil is recommended); calibrate the temperature control system and pressure sensor; check the concentricity of the main shaft to avoid uneven load wear.
4. Annual Overhaul: Completely disassemble and inspect the equipment; replace aged seals, severely worn ring dies and pressure rollers; tighten anchor bolts, and correct coupling alignment to prevent vibration from exacerbating wear.
The first oil change should be performed after the new machine has run for 500 hours. Establish a "one machine, one file" maintenance record to facilitate tracking wear trends.
II. Strictly Control Raw Material Quality to Reduce Damage at the Source
Inferior raw materials are a major cause of abnormal equipment wear.
1. Magnetic separation and screening must be performed before feeding to prevent hard foreign objects such as nails and sand from entering the main unit, thus preventing screw jamming or mold breakage;
2. Control the material moisture content between 8% and 15%. Too high a moisture content can easily cause mold blockage, while too low a moisture content will result in severe particle pulverization, increasing rework load;
3. For processing copper oxide ore, add 2-4 kg/t of cement as a binder to improve pelletizing rate and reduce the mechanical burden on the drum and transmission system.
III. Standardize Operating Procedures to Avoid Human-Induced Damage
Incorrect operation will significantly shorten equipment lifespan.
1. Cold Start-up Prohibited: Preheat the machine to the process temperature (e.g., above 950°C in the smelting zone) before starting to prevent material adhesion that could lead to shaft seizure or screw breakage.
2. Uniform Feeding: Avoid sudden feeding or interruption of material flow. Maintain a feeding speed that matches the main machine's rotation speed to reduce motor impact and overload risks.
3. Idle Shutdown: Run the machine idle for 5 minutes before shutdown to purge residual material from the extrusion chamber and die plate, preventing solidification and blockage after cooling, which could cause difficulties in the next start-up.
IV. Selecting High-Quality Wear Parts to Enhance Durability: The quality of components directly affects the overall machine lifespan.
1. Prioritize the use of thickened alloy steel dies and copper-core motors to enhance wear resistance and heat dissipation.
2. Regularly check the wear of the cutting blade. When the radius of curvature exceeds 0.5mm, grind or replace it promptly to avoid vibration caused by uneven cutting forces.
3. Monitor the condition of small components such as hydraulic seals and O-rings. Replace them immediately if aging or leakage is found to prevent cascading failures.
V. Optimize the Operating Environment to Ensure Stable Operation
A good environment is the foundation for equipment longevity.
1. Keep the operating area clean and dry, and remove dust promptly to prevent static electricity buildup or the risk of dust explosions;
2. Do not pile up debris around the equipment. Ensure good ventilation and heat dissipation to prevent motors and bearings from aging prematurely due to high temperatures;
3. Assign a dedicated person to each piece of equipment, establish an operation log, and record information on faults, repairs, and replacement parts to facilitate analysis of wear patterns and early intervention.








