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introduction： 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。]Compare with general mechanical parts，Because its manufacturing precision is very high，There are certain requirements for installation and use，If not very careful，It will cause damage to the bearing，Normal bearing life cannot be obtained，It will also lead to the damage of related parts。Generally speaking，Produced by bearings
2015-02-01 Reading quantity 1538
introduction：Cycloidal pin gear reducer gearbox、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。]box、Thread seal、Mechanical seals and other parts，Due to long time high torque mechanical movement，Gear box meshing clearance becomes larger，Cause greater noise and equipment vibration。In addition, the sealing part is at high speed for a long time、Run at high temperature，When the sealing part is leaking oil
2015-02-01 Reading quantity 2880
introduction： The insert in the injection mold needs to be separated，The processing properties must be fully considered，Ease of replacement，The exhaust is segmented on the basis。Combine work experience，Summarized as follows： (1) pocket(See picture1) ，It needs to be divided for exhaust。Undivisible time，If the movable side，Consider setting a top bar。 (2) Only part of the insert protrudes，Its better to split it up(See picture2) 。 figure2 Partially protruding insert a—— —Before partitionb—— —post-partition(3)
2015-02-01 Reading quantity 2793
introduction：Badun Barton，.. (1918～ ) []Soviet welding and metallurgical specialist，Members of the Soviet Academy of Sciences。..Son of Barton。1918years11month27Japanese born in Kiev，1941He graduated from the Kiev Institute of Technology，1942～1950He was a researcher at the Welding Institute of the Ukrainian Academy of Sciences、Laboratory director,1950～1953He was appointed deputy director,1953He began his term as director。He led the creation of electroslag welding,It solves the production problems of large parts of large high-pressure vessels and hydrogenerators for Marine ships。Hes adopting advanced
2015-02-01 Reading quantity 2815
introduction： 151 GB/T 866-1986 Half countersunk head rivet (roughhew) Oval countersunk head rivets--Black 152 GB/T 867-1986 Half round head rivet Round head rivets 153 GB/T 868-1986 Flat cone-head rivet Cone head rivets 154 GB/T 869-1986 Countersunk head rivet Countersunk head riv
2015-02-01 Reading quantity 2886
introduction：How to know the warehouse manual forklift 1、Electric pallet lift truck；Carrying capacity 1.6～3.0Tons of，The width of the operation channel is generally2.3～2.8meter，Fork lift height is generally210mmaround，It is mainly used for horizontal handling and cargo handling in the warehouse。Generally, there are two modes of operation, walking and standing，Can be selected according to efficiency requirements。 2、Electric pallet stacking forklift；Carrying capacity is 1.0～1.6Tons of，The width of the operation channel is generally2.3～2.8meter，In the structure than the electric pallet forklift more door frame，Fork lift
2015-02-01 Reading quantity 2874
introduction：Outer spherical 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。]It is a bearing outer ring with a spherical surface，Self-aligning bearing with seal cover on both sides of bearing。390000Series outer spherical bearings are commonly used in agricultural machinery，One in Xinjiang2、Fukuda、Central Plains and other combine harvesters，These bearings are widely used，On a locomotive
2015-02-01 Reading quantity 1683
introduction： Phosphating process flow 1.aim：Standardize the production process and operation content and method 2.Radius：Suitable for pre-treatment in spray workshop。 3.Process flow： degrease（alkalinity）→rinsing→Rust removal→rinsing→neutralize→Surface modulation→phosphating→rinsing→Post-phosphating treatment（spray） 4.Operation content and control focus： 4.1 Job framing：Handle it gently，Prevent workpiece deformation。The height should not exceed the range of solution penetration（The product is cluttered and placed in the frame more than regular oil removal、Phosphating effect is better，But make sure the drainage is adequate） 4.2 degreasing：（Normal temperature） 4.2.1
2015-02-01 Reading quantity 1531
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。]Whether the installation is correct，Affect the accuracy、Life span、property。therefore，Design and assembly department forNSKbearing[NSKbearing
2015-02-01 Reading quantity 1448
introduction：Casting equipment for mixing molding sand or core sand。Sand mixer generally has the following functions﹕Return sand﹑Fresh sand﹑Sand binder and auxiliary materials are mixed evenly﹔The binder and auxiliary materials are evenly distributed and effectively coated on the sand surface。According to the characteristics of sand mixing process﹐Sand mixer can be divided into﹕roll﹑Roller mill type sand mixer with main rolling action﹔The blade sand mixer is mainly used for mixing﹔Combined rolling﹑Mixing countercurrent or rotor sand mixer and combined rolling﹑Mixing effect of swinging wheel sand mixer。Sand mixing machine can also be divided into two types according to the working nature of intermittent and continuous。(See color diagram Sand mixer ) Roller mill mixing
2015-02-01 Reading quantity 2788
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