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introduction：Buying rails is like buying clothes，First, determine your height，weight，Choose the right size。When choosing a guide rail，How do we determine the width of the rail？
2015-05-03 Reading quantity 19377
introduction：Mechanical seal is also called end seal(Mechanicalseal),It is a dynamic seal for the rotating shaft.Mechanical seal performance is reliable,Small leakage,Long service life,Low power consumption.No frequent maintenance required,And can adapt to the production process automation and high temperature,hypothermy,High tension,vacuum,High speed and a variety of highly corrosive media.The sealing requirements of harsh working conditions such as solid particle medium.Mechanical seals rely on one or more pairs perpendicular to the shaft for relative lubrication of the end face at fluid pressure and to compensate for the elasticity of the mechanism*(Or magnetic force)The shaft that holds the leakage resistance of the joint with an auxiliary seal
2015-05-03 Reading quantity 1572
introduction：Plastic fraction：Thermoplastics and thermosetting plastics one、thermoplastic Soften to flow when heated，Cooling hardening，This process is reversible，Can be repeated。polythene、polypropylene、Polyvinyl chloride、polystyrene、polyformaldehyde，Polycarbonate cheese，polyamide、Acrylic plastics、Other polyolefins and their copolymers、Gather satire、Polyphenyl ether，Chlorinated polyethers are thermoplastics。The molecular chains of resins in thermoplastics are linear or with branched chains，No chemical bonds are formed between molecular chains，Soften the flow when heated．The process of cooling and hardening is a physical change。 two、Thermosetting plastics The first time
2015-05-03 Reading quantity 2914
introduction： Electric forklift technology to meet the needs of customers The technology of electric forklift products is very important。Technology can reduce the production cost of products，Increase product sales profit；Technology can make electric forklift products more in line with customer needs，To attract more consumers。 In fact, electric forklift products can not be empty technology，The key also depends on whether the product can meet the needs of customers。What do you need to buy? What is the first condition for customers to choose products。Technology is just one way that electric forklift manufacturers use to make their products meet customer needs“tool
2015-05-02 Reading quantity 2825
introduction： For afforestation(Including afforestation﹑Forest cultivation and forest protection)﹑Wood cutting and forestry lifting and conveying machinery。The broad sense of forestry machinery also includes wood processing machinery﹑Wood-based panel machinery and forestry chemical equipment and other comprehensive utilization machinery。Forestry machinery is mostly carried out in the open under mobile conditions﹐Due to the influence of natural conditions, it has a certain region。Forestry machinery to accelerate the speed of greening﹑It is of great significance to expand forest resources and promote the virtuous cycle of ecosystem。 Brief history The use of machinery in forestry production began with wood handling。1892years﹐First tractor
2015-05-02 Reading quantity 2814
introduction：Recovery of sugar from waste honey，The effluent is concentrated and used as feed，It is one of the desirable schemes for the pollution-free utilization of waste honey in sugar factories。 RTContinuous recovery of waste honey，Contrast with the old Stephen method，Its advantage is that：Continuous production，Simple equipment，Use less steel，High sugar recovery rate，Easy to operate。 In FranceOrignySainte-BenoiteThe sugar factory adopts this method in the fully automated waste honey recovery workshop，One-man management。 one、Process conditions and equipment characteristics： 1、The quality of lime powder is the key to the recovery process of waste honey
2015-05-02 Reading quantity 2932
introduction：Rolling 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。]There are both rolling friction and sliding friction。Sliding friction is caused by the deviation of the rolling bearing on the surface curve and the bearing deformation under the load。For example, between a scroll and a ring，Since spheres and rings are not absolutely rigid bodies，Their contact area always has to be elastic，In theory, it is a point connection
2015-05-02 Reading quantity 1494
introduction： 1. Process flow liven（Check technical conditions、quantity）→Identification material→Determine the quenching operation mode→Selective fixture、Binding wire→drying→heat→cooling→Clean up oil→temper→sandblast→rust-proof→straightening→inspect→Hand over。 2. Quenching heating （1）equipment：Medium temperature salt bath furnace，The proportion of common salt bath and the scope of use are shown in the following table （2）Heating method is as follows： a.General parts after drying，Direct heating in quench charging。 b.When parts are heated in a salt bath，Suspension should be used，mod
2015-05-02 Reading quantity 1493
introduction： Pressure filtration，Process equipment such as spray dryers and combustion equipment have one thing in common：They are both transmitted with wear properties、Corrosive or hysteresis sensitive media。AbelIn addition to the development of new chemical pumps，The transfer technology of this kind of chemical medium is also studied in detail，As described in this article。 North of HamburgBüchenThe town is home to a production plant that produces 100 chemical pumps a year。Wilhelm AbelThe company was established in1947years，Located on the banks of the Rhine，With the North German region、With the world market has extensive
2015-05-02 Reading quantity 2916
introduction： The cutting process using the relative linear reciprocating motion of the planer and the workpiece in the horizontal direction。Planing can be used to process planes and grooves﹐If using a forming planer or adding a copying device﹐It can also process the formed surface。Planing can be done on a shaper or a planer(See picture Planing diagram )。The former planer knife moves reciprocately﹐The workpiece is fed intermittently after each return trip﹐For machining smaller workpieces﹔The latter works in reciprocating motion﹐Intermittent feed movement of the planer after each return trip﹐Used for processing longer and larger workpieces。 In every stroke of the planing﹐When the planer cuts into the workpiece
2015-05-02 Reading quantity 2833
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