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introduction： TIMKENbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]In itself does not produce noise。What we usually feel“noise”It is actually a sound effect that vibrates directly or indirectly with the surrounding structure。Noise is the result of the transmission of vibration in the air by the human auditory system。 Thats what many times the noise asks
2015-05-30 Reading quantity 1500
introduction：Generally use rolling bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]，Due to low friction，Less damage，Therefore, the service life of the rolling bearing can reach the fatigue life。However, if an accident occurs during use，It can also cause early damage，Thus unusable。Generally, it is not because the fatigue life has reached and can not be used
2015-05-30 Reading quantity 1490
introduction：Rubber processing industry，Mold fouling is a common phenomenon。A layer of sediment is formed on the mold wall during vulcanization，And gradually accumulate in the subsequent production cycle。The influence of various factors causing mold scaling has been discussed in previous literature。Now find：For the various sulfides contained in the polymer rubber mixture（Zinc oxide）As for，Zinc sulfide is the most annoying by-product of the vulcanization process that causes scaling。Not one and a half-Permanent release agent or permanent（metal）Mulch can avoid this deposition。In conclusion ：Scaling is initially caused by zinc sulfide attached to the mold（Inorganic sediment）
2015-05-30 Reading quantity 2930
introduction：1General rules1.0.1In order to ensure the construction quality of electrical lighting equipment，Promote technological progress，Ensure safe operation，Formulation of this specification。1.0.2This code applies to buildings、Construction and acceptance of electrical lighting installation works in structures。1.0.3Electrical lighting installations shall be constructed in accordance with the approved design。When modifying the design，Subject to the consent of the original design unit，Can proceed。1.0.4Adopted equipment、The equipment and its transportation and storage shall comply with the relevant provisions of the current national standards；When equipment and equipment have special requirements，It should comply with the provisions of the product technical documents。1.0.5Equipment and equipment arrived
2015-05-30 Reading quantity 2858
introduction： normal，If bearings are used correctly[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]，Can be used until fatigue life is reached。But there will be accidental premature damage，Incapacitated for use。This early damage，Relative to fatigue life，Is a quality limit called a failure or accident。Many causes are installation、Use、lubricated
2015-05-30 Reading quantity 1580
introduction：one、 Gear reducer maintenance By wiping、sweep、oiling、Adjustment and other general methods for equipment care，To maintain and protect equipment building mechanical performance and technical condition，It is called equipment maintenance。There are four main requirements for equipment maintenance： (1) clean Equipment inside and outside the whole mining machinery clean，Sliding surfaces、Lead screw、rack、Gear case、There is no oil in the oil hole，All parts do not leak oil、air-tight, Taixing reducer，Debris around the equipment、Misc.、Mechanical engineers clean up the mess； (2) tidiness tool、attachments、workpiece(product) To place round
2015-05-30 Reading quantity 2895
introduction： How to checkINAbearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Working condition in operation，First comes the vibration from the bearing，Roll and temperature this three aspects to talk about： The first is to check the vibration of the bearing in the work delamination、impression、corrosion、crack、Wear and tear will be reflected in the vibration measurement of the bearing
2015-05-29 Reading quantity 1739
introduction：NSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916years，It is the first manufacturer to design and produce bearings in Japan。NSKThe function of the bearing fit is to makeNSKThe stationary ring and rotating ring of the bearing are respectively the stationary part of the installation part(Usually a bearing seat)And rotating part(Usually an axis)Solidify together，Thus, the basic tasks of transferring the load in the rotating state and defining the position of the moving system relative to the stationary system are realized。]As the main components of the locomotive，Especially traction motors、Journal boxNSKbearing[NSKbearing:Seiko Co., LTD（NS
2015-05-29 Reading quantity 1602
introduction： It is understood，You can only use what you know，Understand the functionality of hardware tools，To use it well。bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]，You can start by looking at the finish（Or roughness），Good quality can be seen at a glance，Needless to say。Look further，You can hold the bearing in your hand，Give it a hard turn，See if it rotates
2015-05-29 Reading quantity 1606
introduction： Rigid coupling standard BG/T 5843-1986 Flange coupling JB/T 7006-1993 Parallel shaft coupling type basic parameter size Standard for flexible couplings with inelastic elements JB/T 3241-1991 SWPV-part bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，Bring down
2015-05-29 Reading quantity 1531
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