The advantages of screw ntn bearings

1, screw ntn bearing outer ring can be reused many times, making the event as due to the damage caused by the impact of temperature and bending to its re-processing possible. In this case, bearing also need to be adjusted. Bearing is adjusted by the diameter size of 1 mm increase in the number of the manner of.
2, screw ntn bearing durability and are subject to dirt, iron filings, water, and drop the iron and the formation of acidic water has little influence. Thin coil parts for the rolling of large diameter larger space left. These parts can be stolen by rolling and pressure foreign substances to the spiral coil within the gap. This will maintain the bearing surface of a rotating movement to keep clean.
3, spiral spring steel has good flexibility, so it is easy to install, inner ring through the help of two hook-shaped wrench mounted in any position, the inner ring to tighten the internal tension to the shaft. Elastic material processing tolerances h9 or h1l the inner ring is relatively easy to achieve. That used in the inner ring on the high cost of processing can be omitted.
Lubrication oil and gas before, if the high-speed rotation will produce wind screen (AirCurtain). This will not only make it difficult to enter ntn bearing lubricant inside, leading to lack of lubrication, but also invented a wind generated. To solve these problems, SpinshotII used parts from the bearing to the bearing inside diameter tilt lubricant supply means. Therefore, oil can not hinder the wind screen and smooth access to the internal bearings.
New product on the nozzle structure was improved by the circumference of a trench to reduce the pressure to set lower He invented the wind. Noise than the previous way of reducing oil lubrication 3dB (A). As the gas flow is relatively small can supply oil to the bearings inside, so gas consumption is only 10NL / min, reduced to the previous 1 / 2 or so.
Retainer using PEEK (polyether ether ketone, Polyetheretherketone), outer and inner ring made by the Japanese Seiko bearing materials "SHX materials." SHX material is added on the basis of carbon steel in the silicon (Si), manganese (Mn) and molybdenum (Mo) in low-alloy steel for roughing, passed at a high temperature to carbon and nitrogen also penetrated the surface of the treatment increased the surface hardness, and surface precipitation of fine Si-Mn-N nitride formed. High strength, toughness and resistance to sintering.

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