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introduction：121：The relationship between drawing coefficient and plasticity of material？ a：The better the plasticity, the smaller the drawing coefficient。 122：What is the role of developing templates？ a：marking；Manufacturing separation die；Fabrication of milling templates。 123：There are two main ways to put the edge？ a：Thin and pull。 124：What is pulling edge？ a：The edge of the sheet material is machined into a curve by the method of edging and edging。 125：What do you mean bite？ big：The process of folding the edges of two sheets together and pressing them together。 126：
2015-01-21 Reading quantity 2817
introduction： item phenomenon reason measure Peel off Running surface stripping
2015-01-21 Reading quantity 1556
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 contact fatigue life is very sensitive to the homogeneity of the steel structure。Improve cleanliness
2015-01-21 Reading quantity 1457
introduction： willNSKbearing[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。]When removed for inspection，First use photography and other methods to record the appearance。In addition，
2015-01-21 Reading quantity 1462
introduction：For checkingINAbearing[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。]Whether the installation is correct，After installation, a test run inspection should be carried out。 For small machinery，You can move the rotating part by hand first，Check the rotational flexibility of thrust ball bearings，If the following abnormal phenomena are not found，Then the power operation check。 Get stuck--------
2015-01-21 Reading quantity 1567
introduction： There are many kinds of isolation transmitters in the world，For the convenience of the majority of users selection，The main points of selection are summarized as follows： first、 Understand the characteristics of the signal you input into the isolator，The input signal of the isolator is generally a power signal，But the power signal is different，So theres DC and theres AC，There is current and there is voltage，Theres frequency and theres power，There are thermocouples and there are thermal resistors，There are big signals and small signals。For example, Shenzhen Keliheng Company has a full range of isolation transmitters，Theres a special one for isolating analog signalsCSPSerial sumSC-VASeries isolator，There are also special uses
2015-01-21 Reading quantity 2898
introduction：Zhengzhou Yutong bus Co., LTD，In order to improve the product design quality and a design success rate、Reduce design costs、Reduce design changes caused by design errors，introducedCATIAComplete the electronic prototype design of a model，The main model design is discussed and adopted in the chassis design for the first time、Structural design andDMUKey technology，The frame of the homemade chassis is completed、suspension、Engine mount and other model design work，Also fully embodiesCATIA V5Application value as computer aided design software。 one、summarize The computer aid of domestic two-dimensional flapping board
2015-01-21 Reading quantity 2906
introduction：In useFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]During the process, it is easy to see the phenomenon of temperature rise。whenFAGbearing[FAGbearing:The main shaft bearing is made of a solid inner ring、Outer ring、The ball、And a single row angular contact ball bearing consisting of a cage assembly with a solid window cage。]When the temperature rises，First determine whether the operation is wrong，If indeed raised，The following should be done： 1.Check cooling water pressure，Water flow and piping system is normal。If the water is low it may be filtered
2015-01-21 Reading quantity 1573
introduction： General principles for the selection of raw materials for plastic stressed products： 1.Tensile strength Bending strength and modulus:These several kinds of plastic with better performance are POM PA PC PPO PSFandPIEtc.,And the corresponding glass fiber reinforced materials andPET PBT PPAnd other glass fiber reinforced materials. 2.Impact strength:In order toPCFor the best,POM PPO PSFTake precedence over,PP HPVC PA6 PA66 Chlorinated polyether and other varieties are brittle at low temperature. 3.Creep resistance:The creep resistance of thermosetting plastics is better than that of thermoplastics.
2015-01-21 Reading quantity 2800
introduction：Thrust angular contact ball 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。]In addition to excellent quality，Its a very sophisticated part，Both high-performance importsIKObearing，If used improperly in the course of use，Not only can not achieve the expected performance effect，And it is easy to damage the bearing，Everyone must have been paying attention to lubrication。
2015-01-21 Reading quantity 1457
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