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introduction：one、Oil seals are precision components,Improper assembly and storage will affect the performance。The oil seal should be noted during transportation and storage： 1、Do not open the original package，Pay attention to the packing for damage，Try to leave the oil seal in the original package before assembly； 2、Avoid direct sunlight，Do not place near high heat sources，Because it causes the rubber to age； 3、Oil seal shall not be scattered at will，Pay attention to dust and soil protection，Make sure the oil seal is closed or covered； 4、When transporting and using oil seals，To prevent oil seal deformation and spring off，Please dont overdo it； 5、The oil seal cannot be tied with string，neither
2015-01-15 Reading quantity 1559
introduction： The Timken Company(TIMKEN)Bearing of[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。]Has carried numerous heavy weight equipment，Innovative technologies and products have solved difficult problems for many customers。Because of its reputation，Every time a client has a new challenge or an urgent need，The Timken Company(TIMKEN)Become him
2015-01-15 Reading quantity 1478
introduction：Coated abrasives usually use three main raw materials--Base material、Abrasive and adhesive，In what we call“MAKER”The continuous processing line is manufactured，Three of the main raw materials play a decisive role in the characteristics of coated abrasive products。In the specific grinding application process，According to the specific process requirements and grinding objects，Select the appropriate special coated abrasive products，It can effectively help users obtain the best grinding efficiency in the surface processing of various workpiece materials。 Coated abrasive products for surface processing of materials，A wide variety of tools are available，include
2015-01-15 Reading quantity 2820
introduction：Customer relationship management(CustomerRelationshipManagement，For shortCRM)It is an integrated customer-centric business operation and management strategy，Use a variety of customer-related interactions、passage、Business analysis and overall reengineering of business processes，Achieve advanced account management to create higher operational performance。This process is through full contact with the customer，Analyze various market variables that affect customer consumption behavior，Based on quantitative data，To achieve marketing automation、Sales automation、The purpose of customer service automation。 With the fierce competition in the market
2015-01-15 Reading quantity 2809
introduction：The performance of the muffler can be mainly evaluated from the following three aspects： (I)Noise reduction performance，That is, the noise reduction and spectrum characteristics of the muffler。The amount of noise reduction of a muffler is usually expressed in terms of sound transmission loss and insertion loss。In field testing，Exhaust ports can also be used(Or air intake)The sound level difference at the end is expressed。The frequency spectrum characteristics of a silencer are generally in octave band or1／3Octave band noise reduction is expressed。 (2)Aerodynamic performance，The resistance loss or coefficient of resistance。The resistance loss of a muffler is usually expressed by the total pressure difference between the inlet and outlet of the muffler，The resistance coefficient can be calculated from the dynamic pressure and resistance loss of the muffler。In air flow
2015-01-15 Reading quantity 2796
introduction： [Abstract] Take Shenzhen University99As an example, the reform of graduation design mode for students majoring in die and mould，The application range of computer technology in the graduation design of mold major students is discussed、Steps and results，The importance and inevitability of combining mold design theory with advanced design method in the teaching of graduation design for students majoring in mold are clearly pointed out。 keyword Mold design Graduation project Computer technology 1 introduction Mold is a technology intensive、Capital-intensive product，It also plays an important role in our national economy。moulder
2015-01-15 Reading quantity 2893
introduction： With automatic tool exchange device﹑CNC machining equipment that can complete a variety of processes at one time。CNC machine tools have been realized﹑Automation of small batch processing﹐Improved working conditions。In addition﹐It also has high productivity﹑Stable machining accuracy﹑Low product cost a series of advantages。In order to further exploit these advantages﹐CNC machine tool then to“Process concentration”﹐That is, a CNC machine tool can complete multi-task sequence machining after a single clamping part(Immediate machining center)Aspect development。 drill﹑boring﹑milling
2015-01-15 Reading quantity 2791
introduction：The eccentric rotates in the pump chamber﹐A vacuum pump that periodically changes the volume of two studios separated by a slip ring and a slide rod to achieve air extraction。Slide valve vacuum pump mainly consists of pump body﹑Slip ring﹑eccentric﹑The rotating shaft and slide rod are composed。figure Working principle of slide valve vacuum pump The working principle of the slide valve vacuum pump﹐In the picturea﹑b﹑c Working principle of slide valve vacuum pump Presentation work cycle。The axis of the rotating shaft coincides with the center of the pump chamber。A rectangular slide bar attached to a slip ring﹐It can slide up and down and swing left and right in the sliding guide rail installed in the pump body。The pump chamber is separated by a slip ring and a slide rodA﹑BTwo studios。Eccentric counterclockwise
2015-01-15 Reading quantity 2799
introduction： Classification of electric forklifts Counterweight electric forklift truck Powered by an electric motor，Battery for energy。Carrying capacity 1.0～4.8Tons of，The width of the operation channel is generally3.5～5.0meter。No pollution、Low noise。 Electric warehouse forklift truck；The warehouse electric forklift is mainly designed for the handling of goods in the warehouse。Except for a few warehouse electric forklifts（Such as manual pallet forklift）Its human-powered，The others are driven by electric motors，Because of its compact body、mobile、Light weight and environmental protection
2015-01-15 Reading quantity 2841
introduction：Of course，In monitoring and diagnosing spherical 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。]Fault aspect，Using vibration is much easier and more reliable than using noise，therefore，Vibration is undoubtedly the main research direction。however，This does not belong to the bearing itself，It is a bearing application problem，Should be a different matter。 On account ofIKOshaft
2015-01-15 Reading quantity 1568
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