Maintaining a pneumatic shearing machine is crucial; it directly impacts the equipment's performance, service life, and operational efficiency. Here are some maintenance precautions:

Daily Maintenance

Cleaning: After each use, promptly remove metal shavings, debris, etc., from the shearing machine's worktable, blades, and surrounding areas. This prevents them from entering the machine and affecting normal operation or accelerating component wear. Use dedicated cleaning tools such as brooms and vacuum cleaners. Do not use compressed air to blow away debris, as this may cause it to enter the pneumatic system.

Lubrication: Regularly lubricate the shearing machine's moving parts, such as guides, slides, and blades, using dedicated lubricating oil or grease to reduce friction and wear and ensure smooth component movement. Generally, lubricate every 8 hours of operation or at least weekly. Adjust the frequency based on equipment usage and work environment.

Check Air Pressure: Before starting each day, check that the pneumatic system's air pressure is within the normal range, generally 0.4-0.6 MPa. Insufficient pressure may lead to insufficient power, reduced shearing force, or even failure to operate. Excessive pressure may damage pneumatic components and other parts.

Check Air Tubes and Connectors: Regularly check the pneumatic shearing machine's air tubes and connectors for leaks or looseness. Address any issues promptly. Apply soapy water to the tubes and connectors to check for bubbles, indicating leaks.

Regular Maintenance

Blade Maintenance: Regularly check the blades for wear. Replace worn blades promptly to avoid affecting shearing quality and increasing equipment load. Generally, inspect and sharpen blades after 1000-2000 shearing operations or as needed. When sharpening, maintain the blade's geometry and sharpness.

Precision Adjustment: Periodically check and adjust the shearing machine's cutting precision, including blade gap, parallelism, and perpendicularity. Use professional measuring tools such as feeler gauges and dial indicators to measure and adjust, ensuring the sheared plate's dimensions and quality meet requirements.

Pneumatic System Maintenance: Every 3-6 months, perform comprehensive maintenance on the pneumatic system, including cleaning pneumatic components, replacing filter cartridges, and checking the solenoid valves and cylinders. When cleaning pneumatic components, use dedicated cleaning agents; avoid organic solvents to prevent damage to seals and plastic parts.

Electrical System Inspection: Regularly inspect the shearing machine's electrical system, including wires, plugs, switches, and contactors, for looseness, damage, or aging. Repair or replace any issues promptly to ensure safe and reliable operation. Regularly clean and dust the electrical control cabinet to prevent dust accumulation and short circuits.

Long-Term Storage Maintenance

Cleaning and Rust Prevention: If the pneumatic shearing machine requires long-term storage, thoroughly clean it before storage, removing oil stains, debris, and moisture from the surface and interior. Apply rust-preventative oil to metal parts to prevent rust and corrosion.

Component Protection: Protect key components such as blades, guides, and cylinders using protective covers, oil paper, etc., to prevent dust and moisture. Store the machine in a dry, well-ventilated area, avoiding direct sunlight and damp environments.

Periodic Startup: Even during long-term storage, start the machine periodically (e.g., monthly) and let it run idle for a few minutes to maintain component flexibility and prevent malfunctions in pneumatic components due to prolonged inactivity.

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