Enterprises need to understand the quality inspection and scrapping standards for OEM inverter aluminum. They should promptly eliminate substandard and aging equipment to prevent accidents caused by faulty operation and ensure the compliance of explosion-proof safety in the factory area. First, determine whether the equipment meets the standards. Regular OEM inverter aluminum must have complete explosion-proof certification materials, with clear EX explosion-proof marking, temperature group, explosion-proof grade, manufacturer parameters on the body, no deformation, no cracks, no damage to the shell, complete and gap-free sealing structure, intact sealing and sealing of electrical circuits, no sparking, no abnormal high temperature, no accumulation of static electricity, and meeting the heat dissipation performance requirements to meet the heat dissipation needs of the working conditions. Secondly, clarify the mandatory scrapping standards. If the shell of OEM inverter aluminum has cracks, deformation, or damage, the explosion-proof structure is ineffective, and it cannot be repaired, it should be directly scrapped; if the sealing parts are severely aged, and repeated replacements still cannot seal, there is a potential risk of gas and dust leakage, it should be scrapped; if the explosion-proof motor, temperature control system is aging and malfunctioning, with frequent failures and failure of over-temperature protection, it needs to be replaced; if the equipment is severely corroded, the material peels off, and loses explosion-proof protection capability, it should be directly scrapped; if the equipment exceeds the service life, the explosion-proof certification has expired, and the internal components are severely aged, it should be scrapped. In addition, OEM inverter aluminum that has experienced high-temperature loading, short-circuit impact, even if the appearance is intact, the internal structure may also be damaged. It needs to be tested for qualification before use. If it is unqualified, it should be replaced immediately. We must firmly prevent non-standard, aging, and damaged OEM inverter aluminum from being used in high-risk working conditions.
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