Shot and impurity cleaning: After daily operation, the bottom of the chamber, the separator screen and the residual shot in the shot blasting machine must be thoroughly removed to avoid agglomeration and blockage that affect the uniformity of the projectile.
Lubrication point inspection: Add high-temperature resistant grease (NLGI grade 2 recommended) to 6 key lubrication points such as the hook guide rail and chain transmission mechanism to prevent dry friction from causing component wear.
Shot blaster blades: Check the blade wear through the observation hole every day. If the wear on one side is ≥3mm or cracks appear, they need to be replaced immediately (it is recommended to replace in groups to maintain dynamic balance).
Sealing components: Check whether the rubber sealing curtain of the chamber is damaged. If the projectile is found to be leaking, it needs to be repaired or replaced in time to avoid safety hazards.
Maintenance cycle Core items Operation standards and tools
Weekly 1. Pulse backwash cleaning of dust filter cartridge Air pressure ≥0.5MPa, single backwash ≤8 seconds to avoid damage to filter material
2. Adjust the tightness of the hook load-bearing chain The droop is controlled at 15-20mm. Too tightness can easily increase wear
Monthly 1. Tighten the wiring terminals of the electrical cabinet Use a torque wrench to tighten according to the 3.5N·m standard to prevent false connection
2. Shot blaster bearing temperature detection Infrared thermometer monitoring, operating temperature＞80℃ requires shutdown and maintenance
Quarterly 1. Elevator belt wear detection Tooth height wear＞30% or transverse cracks≥3 need to be replaced
2. Dynamic balance calibration of dust removal fan impeller When the vibration value is greater than 4.0mm/s, professional calibration is required to reduce energy consumption
Troubleshooting steps: Check whether the screen of the shot circulation system is blocked (aperture ≥Φ3mm) and whether the angle of the directional sleeve window of the shot blaster is offset within ±15°.
Solution: Clean the residual iron filings on the screen and adjust the directional sleeve to the angle required by the process.
Common causes: Insufficient gear oil of the reducer (VG220 industrial gear oil needs to be added) or the friction plate slips.
Processing flow: Refill the oil level to the center line of the window and adjust the friction plate pressure to 0.4-0.6MPa.
Customized maintenance plan: Develop differentiated inspection tables according to the customer's production rhythm (such as single shift/24-hour continuous operation) to accurately match the needs.
Global spare parts network: Overseas warehouses in Mexico, Vietnam and other countries always have 10 types of spare parts such as blades and sealing curtains, and urgent orders can be delivered within 48 hours.
