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Shanghai Yuwei Bearing Co., Ltd. (Headquarters)
Tel: 021-51099639
Fax: 021-51861291
24 hour hotline: 15001823721
Postcode: 410205
Enterprise QQ: Click here to send me a message Pre sale  Click here to send me a message After sale
Email: yw@gifudayo.com
Address: 2758 Songjin Road, Zhangyan Town, Jinshan District, Shanghai, China

Shaanxi Yuwei Bearing Manufacturing Co., Ltd
Tel: 029-86696506
Fax: 02890
Enterprise QQ:  Click here to send me a message Pre sale  Click here to send me a message After sale
Email: sales@gifudayo.com
Website: www.ywbearings.com
Address: Qinhan new town free trade zone, Xixian new area, Shaanxi Province

General knowledge of Shanghai Yu micro bearing

Release time: January 1, 2018 20:31:50 Views: 952

? ? Shanghai Yu Micro Bearing Co., Ltd., with the trademark "YW", was established in the 1990s as an old brand micro bearing manufacturer in Shanghai. Located in Shanghai, the transportation is convenient, the communication is developed, the geographical position is superior, the factory covers an area of 12000 square meters, the construction area is 6000 square meters, the equipment is complete, the technological process is comfortable, the test equipment is excellent, in order to control the product quality, the company has formed from the raw material into the factory to the finished product closed production. In order to enable enterprises to participate in market competition better, the official separation of domestic and foreign sales business, Shanghai yumicro Bearing Co., Ltd. came into being. The company has strong strength, has advanced precision bearing production equipment and testing instruments, bearing products strictly in accordance with GB / t307.1-2005 as the standard, and is the only full inspection bearing enterprise in China. It has passed ROHS environmental protection certification and material safety technology / data sheet MSDS, providing convenience for "YW" bearing export to EU and other related countries.

Shanghai Yuwei company has been making continuous efforts to provide the best solution for all customers. It makes a detailed analysis on whether to add grease or lubricating oil, and makes a detailed understanding of the accuracy and noise range of the customers. It is Yuwei's pursuit to provide the best solution to users under the condition of reducing cost.

Lubrication method

Generally, lubrication methods are divided into oil lubrication and grease lubrication

oil

Suitable for ultra-high speed operation

Oil lubrication is best used when bearings and oil lubricated components are installed in the same frame

Suitable for ultra-high operating temperature

Oil is suitable for the use of centralized oil supply system as auxiliary machinery

Oil is suitable for bearing torque requirements

fat

The grease is easy to keep in the bearing without careful attachment

The grease can be used for a long time without replacement or inspection

Grease can increase the effectiveness of dirt isolation

Grease can be added to the closed seal bearing during manufacture

?

What are the main factors affecting bearing vibration?

The vibration system composed of stiffness, flexibility, mass and damping determined by bearing structure design parameters will produce vibration corresponding to its mechanics under operating conditions. The smaller the deviation, the smaller the vibration. The roundness, waviness and surface roughness of the steel ball surface are the most important factors affecting the vibration of the bearing parts, followed by the shape error and surface roughness of the inner ring and outer ring communication, the third is the bearing cleanliness and lubricant quality. Operating conditions such as installation conditions, rotating speed, axial load direction and magnitude also affect the bearing vibration.

?

Vibration level and application scope of bearing?

The physical quantities of bearing vibration include vibration displacement, vibration velocity and vibration acceleration.

Bearing vibration (acceleration) is divided into Z Z1 Z2 Z3 Four levels; bearing vibration (speed) is divided into V V1 V2 V3 Four levels.

Z V It is suitable for bearing manufacturer to inspect the vibration of deep groove ball bearing within the scope of standard;

Z1 V1 It is suitable for bearing finished product inspection with general requirements for bearing vibration;

Z2 V2 Class for Y Series motor and other motor bearings required;

Z3 V3 Class II is suitable for vibration with strict requirements. This level has advanced level of trajectory.

lubricant


brand

product

Base oil

Operating temperature range

characteristic

coordination
KYODO YUSHI

Multemp SRL

Polyunsaturated fatty acids + Diesters

-50~+150

It can effectively suppress noise and prolong service life

Multemp PS2

Diesters + Refined mineral oil

-50~+130

Suitable for low temperature, can effectively suppress noise

Multemp S B-M

Synthetic meridians

-40~+200

Long service life at high temperature , Suitable for low noise and high speed operation

Multemp ET-K

Ether synthesis + Polyunsaturated fatty acids

-40 ~+200

Longer service life at high temperature

ExxonMobil
EXXON
MOBILE

Polyrex EM

Mineral oil

-40~+180

Long life and high temperature resistance

Beacon325

Artificial oil

-54~+150

General purpose oils and fats

Andok C

Petroleum grease

-27~+120

Smooth sliding and long service life at minimum sliding

Mobil 28?
(MIL-G-81322)

Synthetic meridians

-54~+177

Wide temperature range, low torque

Mobil HP

Lithium compounds

-30~+110

Moderate speed, effective corrosion inhibition

Chevron ?
CHEVRON

SRI-2

Mineral oil

-30~+180

Wide temperature range, good waterproof effect

Shell ?
SHELL

Alvania 2

Mineral oil

-35~+120

Long life and high temperature resistance

RLQ#2

Mineral oil

-50~+150

Low noise, fast speed, high temperature resistance

DuPont ?
DUPONT

Krytox 240AC

Fluorinated oil

-35~+290

Under high temperature condition, the stability effect is good and the lubrication effect is strong

Kluber ?
KLUBER

ASONIC

Synthetic meridians

-50~+140

Low noise, long life and low torque


if there be Steel bearing For technical problems, call Shanghai Yuwei Bearing Co., Ltd. service hotline: 021-51099639 or 15001823721 or email: YW @ gifudayo.com official website: http://gifudayo.com
 Shanghai miniature bearing
Shanghai Yuwei Bearing Co., Ltd. (Headquarters)
Tel: 021-51099639
Fax: 021-51861291
Email address: yw@gifudayo.com
Address: 2758 Songjin Road, Zhangyan Town, Jinshan District, Shanghai, China
Shaanxi Yuwei Bearing Manufacturing Co., Ltd
Tel: 029-86696506
Fax: 02890
Email address: sales@gifudayo.com
Address: Qinhan new town free trade zone, Xixian new area, Shaanxi Province
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