Precision bearings according to ISO grading standards are divided into: P0, P6, P5, P4, P2. Rank higher in turn, where P0 is the general accuracy, other grades are precision level. Of course, different classification standards, different types of bearings, their classification method somewhat different, but the meaning is to the. The use of performance requirements of precision bearings rotating body with high runout accuracy, high-speed rotation and small changes in friction and friction.
2013年9月15日星期日
low speed bearing grease
How to use low-noise bearing manufacturer grease seals
class = MsoNormal> foreign low-noise sealed bearings with grease broadly divided into three categories: low speed bearing grease, general low-noise motor bearing grease, high temperature long life low noise slewing ring grease.
Currently, the use of precision bearings with increasing sophistication, and promoting the bearing grease used must have the following properties:
(1) has the same bearing operating life, try to extend the maintenance cycle, reduce downtime, improve labor productivity.
(2) In the dn> 5 × 105 to ensure that the motor speed under low temperature, do not dump oil, thereby reducing power consumption to protect the motor.
(3) impurity content is controlled at a certain level below the maximum to reduce device noise pollution to the environment.
(4) in the ultra-low temperature operating conditions to ensure the flexibility of starting and running bearings ensure minimum output power.
2 Universal low-noise motor bearing grease
In the bearing industry, the application of this grease the largest amount of total fat content of 70% with. As these greases selected fiber is soft, easily filtered lithium soap thickener made??, the use of mineral oil as base oil, it is easy to meet lower middle and low bearing vibration requirements. Another advantage is a good pumping, whether mechanical grease, or hand-painted resin, are easy.
2013年7月25日星期四
Tsubaki TF series expansion sleeve
Whole series than the minimum inner diameter, and the surface pressure occurs using suppression design for small diameter wheels and low intensity wheels.
Minimum number of mounting bolts,slewing ring assembly time.
With alignment features, as long as the hub aperture plane can be linear, does not require complex processing. Another electroless nickel product specifications. RoHS-Compliant
Japan NSK Spherical Roller Bearings
45 other products Parts Network established company trading sales in Japan NSK Spherical roller bearings, on the last NSK spherical roller bearings have high load capacity design of EA-, C-, CD-, CA-based. Design, EA-, C-, CD-as stamping cage, CA-based copper alloy machined cage. EA type bearings with high load capacity, low torque specialty. EA type is of a slewing ring design tank hole, for other types, in order to supply lubricant tank and the hole can also be set, for the bearing outside diameter less than 180mm, with a tank hole if needed, then to the NSK when ordering, marked on the bearing type E4, for diameter greater than 180mm bearings, the standard design for the band grooves and oil holes (bearing model with E4).
In addition, the use of tanks with oil hole of bearing, because the bearing groove depth is limited. Therefore, if the housing is also provided on the inner diameter of the groove is more effective.
In addition, the use of tanks with oil hole of bearing, because the bearing groove depth is limited. Therefore, if the housing is also provided on the inner diameter of the groove is more effective.
2013年7月24日星期三
We are business units of wind power bearing and thus the development of industrialization,
the lack of common technology platform. For multidisciplinary wind power bearing, the light relies on the strength of a single enterprise is difficult to thoroughly master the relevant technologies. Moreover, in the face hot market, companies are rush into battle, the wind power bearing conditions, technical requirements and the lack of in-depth study process. We believe that the field of wind power bearing into the enterprise, between them both competitors and should seek in the wind power bearing common technology aspects of strategic cooperation. If several wind power bearing companies to unite and to absorb universities, research institutes join, joint research, and to seek the government's policy slewing ring for wind power bearing common technology research and development, will greatly enhance our design and manufacture of wind power bearing technology. This is a very difficult but must be addressed.
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