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introduction： Casting is the pouring of molten metal liquid into the mold，The process of making parts that are cooled and solidified to obtain the desired shape and properties。Casting is a common manufacturing method，The advantage is：Low manufacturing cost，High process flexibility，Complex shapes and large castings are available，It occupies a large proportion in machinery manufacturing，Like a machine60～80%，Cars account for25%Tractor account50～60%。The quality of castings directly affects the quality of products，therefore，Casting occupies an important position in the machinery manufacturing industry。 Casting is an ancient manufacturing method，It can be traced back in our country6000Before the New Year。follower
2015-01-11 Reading quantity 2898
introduction：Silver linear guide rail 2012ChinaLEDLighting market performance like a puddle of stagnant water，All is calm。recently，After the Chinese government introduced macro-policy regulation，LEDThe stock market was stimulated by this good news
2015-01-11 Reading quantity 60110
introduction： Coal is transported in mines﹑Narrow-gauge railway handling vehicles for bulk materials such as ore and waste rock﹐Generally, it must be pulled by locomotive or winch。 The car is divided into fixed type according to the structure and unloading method﹑Skip type﹑Side dump type﹑Shuttle type and bottom unloading type。 Fixed mine car The box is fixed to the frame﹐The car must be overturned and unloaded with a tipper。Its basic composition is a car box﹑frame﹑buffer﹑Coupler and traveling mechanism(figure1 Fixed mine car )。The frame is a metal structure﹐Can withstand traction﹑Braking force﹑Collision force and rail impact force between mine cars﹑The buffer is installed in
2015-01-11 Reading quantity 2814
introduction： CODE：00468 Device name：Automatic cold heading machine、Multi-station bolt automatic cold heading machine Type specification：Mechanism member rod diameter≥20mm Unit of measurement：Taiwan Main parameter content
2015-01-11 Reading quantity 2817
introduction：Static pressure inlet bearing[Imported bearing:Simply put, the import bearing agent refers to the sale of an imported bearing brand。The main brands of imported bearings arenskbearing，ikobearing，fagbearing，Of good quality，Of course, the price is not cheap。]With its high rotation accuracy、strong、High bearing capacity、No wear、High durability。1.Orifice restrictor： （1）.Change internal throttling to external throttling，The pressure gauge is installed to display the upper and lower chamber pressure in real time。Make maintenance convenient，In particular, it can be easily cleaned regularly，This is unmatched by internal throttles。 （2）.Throttling ratio。Throttling ratioβ
2015-01-11 Reading quantity 1497
introduction：KOYOBearing anti-friction 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。]Proper lubrication is essential for their successful operation。For ordinary or sleeve type bearings，There are different principles in different practices。In order to make the party maintenance anti-friction bearings，These principles must be understood and applied。 [one]Size limit
2015-01-11 Reading quantity 1499
introduction： Lost mold casting is classified according to its mold material：Self-hardening sand lost casting and binder-free dry sand lost casting。 Classification according to pouring conditions：Common lost casting and negative pressure lost casting Compared with traditional sand casting，Mass production of lost die casting has the following process characteristics： （1）One is exactly the same as the gradual shape、The foam model whose size is only different from the shrinkage of the metal is retained in the cast，form“Full type”mould，Instead of the traditional sand type“cavity”mould（namely“Null type”）。 （2）The sand type is binder free、anhydrous、There is no
2015-01-11 Reading quantity 2835
introduction： one、Application of thread milling With the fierce competition in the product market，Our companys new products come out one after another，Have encountered some large parts of the thread processing，Traditional thread turning and tap、Die can no longer meet the needs of production。Machining centers have been widely used，The three-axis linkage machine tool is used for processing，Changed the thread processing technology，Good results have been obtained。 Milling of thread has many advantages compared with traditional thread machining： （1）If our company has a product long4mmore（See picture1）。material
2015-01-11 Reading quantity 2852
introduction： Thread milling machine for thread milling。 Thread milling machine is divided into universal thread milling machine﹑Short thread milling machine﹑Lead screw milling machine and worm milling machine, etc。The tool holder of this kind of machine tool has the necessary kinematic connection between the spindle of the workpiece to form the thread。Universal thread milling machine(See picture Universal thread milling machine )Suitable for machining standard and increased pitch lead screw and multi-head worm with disc milling cutter﹐It is also usually provided with a kinematic contact mechanism between the milling cutter shaft and the workpiece spindle﹐The spline shaft and shaft gear can also be processed by hob according to the expansion method﹐Long keyways can also be milled
2015-01-11 Reading quantity 2824
introduction：20century70－80age，There has been a great development of reducer technology in the world，And closely combined with the development of new technological revolution。The development trend of universal reducer is as follows： ①High level、High performance。Cylindrical gears are generally carburized and quenched、Gear grinding，Increase of carrying capacity4More than，Small size、Light weight、Low noise、High efficiency、High reliability。 ②Modular design。The basic parameter adopts the priority number，Neat size，The parts have strong versatility and interchangeability，The series is easy to expand and renovate，It is beneficial to organize mass production and reduce cost。 ③Type diversification，modificator
2015-01-11 Reading quantity 2925
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