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introduction：Planar enveloping toroidal worm reducer is a new transmission device,Its carrying capacity is large,High transmission efficiency,Tight mechanism.rational.The reducer can be widely used in various transmission machinery deceleration drive,Such as metallurgy.mine.hoisting.Chemical engineering.Building rubber and plastic.Ships and other industries to use other machinery and equipment,The applicable working environment temperature is-40Go to+40The degree of,Input shaft speed is less than1500turn/points,The worm shaft can be rotated in both directions.The reducer series is available in four types:TPG TPU TPA TPS.among:TP-Plane enveloping torus worm combination isA:TPG
2014-12-12 Reading quantity 2857
introduction： This kind of porosity defect，Discontinuity of metal，Forming stress concentration and crack source，It is a disallowed defect。 Insufficient cutting of ingot during billet opening，Residual shrinkage and porosity，It shows that there are tubular holes or serious center porosity at the end of forging。The ingot casting temperature is low，Poor feeding of riser，Shrinkage hole deep into the ingot body area，The residual shrinkage hole was not completely cut out during forging。The central part of the transverse specimen showed the characteristics of bifurcated holes。Further dissection，There is loose tissue at the end。 The countermeasures to prevent such defects are： 1)Strictly control the pouring temperature and
2014-12-12 Reading quantity 2867
introduction： Recently learned from the China General Machinery Industry Association reducer branch，With the further increase of national infrastructure construction，In recent years, Chinas reducer industry has developed rapidly。According to the statistics of the speed reducer branch，Last year，The whole industry produces reducer45Ten thousand units，Realize sales revenue20Hundred million yuan，Export treaty1Hundreds of millions of dollars。Expert prediction，“The 11th Five-Year Plan”period，Due to the development of the countrys overall economy，The growth rate of the total economic volume of the reducer industry will still reach double digits。 Reducer has been developed in our country
2014-12-12 Reading quantity 2861
introduction： Automobile 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。]Use and maintenance instructions： The vehicle shall work within the rated load range，If serious overload will directly lead to bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is used to fix and reduce load friction during mechanical transmission
2014-12-12 Reading quantity 1533
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。]The temperature of，Generally haveNSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in191
2014-12-12 Reading quantity 1570
introduction：(1)The resultant force is applied as far as possible through the 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。]Axis of，This requires the point of application to be uniform, symmetrical and stable，Force is applied through a sphere or parallel to an axis。 (2)The size of the force should be smooth and even，Not to be impacted，This requires the use of oil pressure or tools that can apply smooth tension or pressure，real
2014-12-12 Reading quantity 1524
introduction：According to the use of parts and use conditions and environmental conditions to select the size、precision，fitTIMKENbearing[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。]Yes guarantee bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。
2014-12-12 Reading quantity 1587
introduction：The practical detection technology of engine is based on the comparison and change trend of some indicators of engine in normal and abnormal state，The technical condition and the hidden trouble of the engine are characterized、Quantitative analysis，A technique that provides a scientific basis for fault diagnosis and decision making。This technique can be used to determine the timing and means of engine repair，To achieve the most economical use of its life cycle。 With the development of science and technology，Modern diesel engines use more electronic control technology、Information sensing technology、Automatic fault monitoring technology and automatic selection technology。 But the current technical status of the engine
2014-12-12 Reading quantity 1519
introduction：In the purchase of CNC machine tools，In addition to meeting the basic requirements of the functions and basic parts，The selection function and accessories should also be fully considered。The selection principle is：Comprehensive configuration，Maximize the potential of the host，Comprehensive consideration of near-term benefits。For some prices increase not much，But it brings a lot of convenience to use，The configuration should be as complete as possible。Accessories to ensure that the machine can be put into use immediately after the site，Dont spend hundreds of thousands of yuan or even millions to buy a machine tool，After the arrival of goods due to the lack of a tens of dollars or hundreds of dollars of accessories and long-term can not be used。 The selection function of numerical control system should be based on practicality
2014-12-12 Reading quantity 2876
introduction： analyzedIKOThe function and working condition of bearing in the hydraulic torque converter of bulldozer，In 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。]The design of、manufacture、Special requirements are put forward in selection and installation process，The bearing is effectively raised[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）At the chance
2014-12-12 Reading quantity 1613
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