NMT Ltd.
Corporate Communications Department
NMT Spherical Roller Bearings: Anti-Static & Spark-Proof Performance, Adapt to Chemical and Dust Explosion-Proof Scenarios
Chemical production workshops, grain processing plants, cement dust workshops and other industrial scenarios belong to flammable and explosive special working environments. In the high-speed and heavy-load operation of ordinary bearings, friction will continuously generate static electricity. Static charge accumulates on the bearing surface and cannot be discharged in time, which is very easy to produce tiny electric sparks. In closed environments filled with chemical volatile gas and combustible dust, tiny static sparks will become serious safety hazards, easily triggering explosion and combustion accidents. In addition, ordinary bearings are prone to metal friction sparks during operation, which cannot meet the explosion-proof safety standards of special industrial scenarios, bringing great safety risks to enterprise production.
Aiming at the safety pain points of flammable and explosive working conditions, NMT Japan has developed professional anti-static and spark-proof spherical roller bearings for special industrial scenarios. The product adopts exclusive static conduction optimization technology, which can quickly and evenly guide the static charge generated by friction operation to the equipment shell and ground, avoid static accumulation on the bearing surface, and fundamentally eliminate the risk of static spark discharge. The overall super-finishing treatment of the bearing surface reduces friction resistance to the greatest extent, reduces static generation from the source, and realizes low-static stable operation.
In terms of spark-proof optimization, NMT bearings adopt low-friction matching materials and anti-spark buffer structure design. The precise matching of rollers and raceways eliminates rigid metal collision and friction dead angles, avoids friction sparks caused by metal hard contact, and realizes zero spark operation in the whole running process. At the same time, the bearing is equipped with anti-static lubricating grease with excellent conductivity, which forms a continuous conductive oil film inside the bearing, further assisting static conduction and diffusion, and ensuring no static accumulation in any operating state.
While meeting explosion-proof and anti-static safety standards, NMT anti-static spherical roller bearings retain the excellent heavy-load bearing capacity, self-aligning performance and wear resistance of traditional products, and do not sacrifice mechanical performance for safety performance. The product has passed professional explosion-proof safety certification and long-term static operation simulation tests, with stable anti-static performance, no failure, no spark and no static accumulation in long-term continuous operation.
Widely applicable to chemical mixing equipment, grain conveying machinery, dust workshop fans and other explosion-proof special equipment, NMT anti-static spark-proof bearings solve the safety loopholes of ordinary bearings in flammable and explosive scenarios. They fully meet the safety production standards of special industries, eliminate potential safety hazards, and provide safe and reliable core component support for the stable and compliant operation of explosion-proof industrial production lines.