Maintenance cost of roll sand making machine?  The maintenance cost of roller sand making machine mainly includes the following aspects:

1. Wear parts replacement cost (core expenditure)

roll sand making machine Roller skin wear

The highest proportion: the roller skin is in direct contact with the material, which is the main wear parts. High chrome alloy roller skin life of about 1000-3000 hours, high-quality materials (such as high chrome cast iron) can be extended to 3 years.

Replacement cost: a single pair of roller skins cost 0.8-320,000 yuan (depending on the size and material), the average annual replacement of 1-3 times.

Bearings and Seals

Bearings need to be lubricated on a regular basis, with grease added every 400 hours of operation, cleaned for 2,000 hours, and replaced for 7,200 hours. The aging of seals will lead to dust intrusion and accelerate the wear of bearings, and the annual maintenance cost is about RMB 2,000.

2.Hydraulic system maintenance

Hydraulic system needs regular oil change (1-2 times per year) and filter element replacement to prevent oil circuit blockage. Hydraulic cylinders, pressure valves and other components debugging and calibration. Encountered hard objects stuck will automatically return to protect the equipment, frequent triggering will increase the frequency of maintenance.

3. Motor and transmission system

Motor Maintenance

The single motor structure (recommended) is more than 30% lower than the maintenance cost of double motors.  Due to the simplified structure and fewer failure points. Regular cleaning and insulation resistance checks are required to avoid overheating and shutdown.

4. Labour and comprehensive management costs

Labour cost

Professional mechanic inspection, lubrication, replacement parts, accounting for 20%-30% of the maintenance cost. The production capacity is affected by the shutdown during the maintenance period, and the annual shutdown time of high-efficiency equipment (such as hydraulic roller machine) can be controlled within 48 hours.

5.Energy consumption and auxiliary consumption

The energy consumption of the roller machine is 20%-30% lower than that of the impact breaker,. But the power of the motor is large (e.g. 315KW model), and the annual electricity cost still accounts for more than 40% of the running cost.

Choose the hydraulic roller model with long roller skin life and strong overload protection; the single motor design reduces the failure rate. Preventive maintenance: regular lubrication, check the status of hydraulic oil, monitor motor temperature. Spare parts management: reserve high chrome roller skins and other wear parts to reduce downtime. Technology upgrade: Adopt frequency converter to adjust the speed and match the material characteristics to reduce the wear.