NTN outer spherical bearing protection

Source: China Bearing Network Time: 2014-08-24

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The correct protection and timely protection of NTN bearings is an important aspect to ensure the normal operation of road machinery. If the outer spherical bearing is better protected and protected, it can work for thousands or even longer, and vice versa; it will make the outer spherical bearing have a long service life. The amplitude is reduced; even there will be serious accidents such as burning tiles and holding shafts. Generally, the smooth oil working temperature of NTN bearings should not exceed 50 Â°C. In order to ensure that the smooth oil is sufficient, smooth and reliable; the oil surface should be viewed in time or regularly; the oil level should be adhered to within the scope of the rule. It is necessary to adhere to the hygiene; replace it according to the quality requirements of the oil. The specific situation of the outer spherical bearing should be specific. Specific analysis; and timely removal. The common problems of spherical bearings and disposal methods are as follows.
In order to make NTN bearings fully play and adhere to their proper functions for a long time; it is necessary to do a good job of timing protection (timed viewing).
After proper timing review; early detection of problems; avoiding accidents in the first place; important for improving productivity and economy.
When removing the NTN bearing, look at the appearance first by shooting. Others; acknowledge the amount of smoothing agent left and sample the smoothing agent; then remove the bearing.
a. The removal of the bearing is divided into rough washing and fine washing; and the metal mesh frame can be placed on the bottom of the used container.
b. When rough washing; remove the smooth grease or adhesive with a brush at the top of the oil. If you change the outer spherical bearing in the oil at this moment; be aware that the rolling surface will be damaged due to foreign matter.
c, fine washing; gradually transform NTN bearings in oil; must be carefully carried out.
The general use of the eradication agent is neutral non-aqueous diesel or kerosene; sometimes use warm lye, etc., depending on the need. Regardless of which scavenger used; always filter and adhere to hygiene.
After eradication; immediately apply anti-rust oil or anti-rust grease on the outer spherical bearing.

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Steel Reducer,a kind of industrial pipe fittings,  used to connect two different diameter pipes . According to different shapes, divided into concentric reducers and eccentric reducers. Materials include stainless steel, alloy steel, carbon steel. Forming process commonly used to suppress necking, expanding suppress or necking plus expanding repression,some specifications  may also be stamping.
1. suppress necking / expanding suppress forming
suppress necking forming process is to put  pipe into the forming molds,suppress necking another pipe end to smaller size . Depending on the another end size changing, divided into one time  press forming or more  times press forming.
2. Stamping  forming
In addition to using steel pipe as raw material to produce reducers, we can use stamping forming to make plates to reducers . the stamping molds are designed according to reducers inside ourside diameters, the molds makes steel plate to stamping ,cutting , stretch forming.

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Size:DN10-DN2500

Materials: A234 WBP-WP1-WP12-WP11, A403 WP 304-304L-316-316L, A402 WPL3-WPL 6,A860 WPHY 42-46-52-60-65-70,PG370,C20

Thickness: 2mm-100mm

Standard:GB/ANSI/ GOST/ JIS/ DIN

Crafts: Cold extrusion, Thermoforming.

Connection: Welding

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Place of Origin: China (Mainland)

Certification: ISO.UKS.SGS.BV

Application: Chemical, Water, Oil and gas, Electricity