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introduction：To adapt to the production of small and light parts，Thin-wall injection molding has become the most needed performance of injection molding machines。Defined by portable electronic components，“thin-wall”It means the wall thickness is less than1millimeter；And for big car parts，“thin-wall”Can be2millimeter。In short，Thin-walled products require a change in processing technology，Theres higher pressure and speed、Shorter cooldown time、Change the part ejection and gate arrangement。And the change of processing technology also promotes the mold、Developments in machine and component design，Higher requirements are put forward for injection machines and molds。 Injection machine The performance of the new injection machine is greatly exceeded10Years ago。Materials、Water the
2015-01-13 Reading quantity 2909
introduction：The concentration of the detected gas depends on the gas detection transmitter，Sensors are a core part of this，According to the different detection principles，It is mainly divided into metal oxide semiconductor sensors、Catalytic combustion sensor、Constant potential electrolytic gas sensor、Cavani battery oxygen sensor、Infrared sensor、PIDPhotoionization sensor、The following is a brief overview of the principle and characteristics of various sensors。 Metal oxide semiconductor sensor MOS sensors take advantage of the adsorption of the gas under test，Change the conductivity of the semiconductor，By comparison of current changes，Excitation alarm circuit。Due to semiconductor
2015-01-13 Reading quantity 2958
introduction： Diesel engine 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 damage is generally7Major reason One is the lack of lubricating oil。Reasons include:No new oil is added after oil discharge;Crankcase plug oil leakage due to vibration loss;Screen clogging、Oil return valve spring failed、The cylinder block oil channel has sand holes or process holes blocked off、Severe bearing
2015-01-13 Reading quantity 1530
introduction：The pure water made by the pure water machine can not only be used for daily drinking，Make tea、Make coffee、Dissolve milk powder in water、Refrigerated beverage，Direct raw drink effect is better，Ice made from pure water is crystal clear、Clean and hygienic、Pure water can also be used to steam rice、Cook soup、Make porridge，The food is pure in taste，Need to eat raw fruits and vegetables，Its best to clean it one last time with pure water，Its easier to eat，Pure water does not irritate the skin，If you wash your face with it，It can have a cosmetic effect。 The water purification system of pure water machine is based on reverse osmosis membrane，The portion before the reverse osmosis membrane can be referred to as pre-treatment，The reverse osmosis membrane is then called post-treatment，Face it from below
2015-01-13 Reading quantity 2873
introduction：1、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。]Install NSKbearing[NSKbearing:Seiko Co., LTD（NSK LTD.）Be established in1916
2015-01-13 Reading quantity 1435
introduction： one、 What role does copper play in mold processing，And its importance in mold processing In mold processing，There are many methods for mold processing，Such as milling machine processing、grinding、Machining center machining、Wire-cut machining、Lathe processing is the discharge machining of the spark machine and other processing methods。Copper rod is the electrode used in discharge machining of spark machine，Discharge machining by spark machine with copper rod as electrode，Mainly used for mold cavity processing，It is the core of the mold。 Next talk about the importance of copper in mold processing。From the following aspects，
2015-01-13 Reading quantity 2898
introduction： A worm drive consists of a toroidal worm and a worm gear paired with it(figure1 Toroidal worm drive )。The cross Angle between the two axes is usually90°。A toroidal worm is a worm with a toroidal indexing surface。This kind of transmission can be divided into two types: linear toroidal worm drive and enveloping toroidal worm drive。 Linear toroidal worm drive Also known as spherical worm drive。The spiral surface of the worm is formed by the spiral movement of the straight line as the bus line﹐So the worm shaft
2015-01-13 Reading quantity 2885
introduction：The abrasive is grinding、The packing density of materials that play a cutting role in grinding and polishing wear particles in the case of natural packing，The mass of abrasive particles per unit volume of air，unitg/cm3Natural abrasives are selected directly from natural mineral rocks、crush、The abrasive capillarity particles made after grading or other processing are packed in glass test tubes of a certain diameter，Lower end submerged in water，In the given time，The height of the water rise（mm)Artificial abrasives A sample of abrasives with Angle of rest, which is artificially refined or synthesized, falls on a horizontal metal plate from a certain height through a funnel，The Angle between the cone surface and the base surface of the formed cone。Generally straight by the cone
2015-01-13 Reading quantity 2798
introduction：first、The structure design is reasonable and advanced at the same time，There will be longerINAbearing[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。]Life span。Bearings are generally manufactured by forging、Heat treatment、turning、Grinding and assembly and other processing processes。The rationality of each processing technology、advancement、Stability also affects the life of the bearing。its
2015-01-13 Reading quantity 1555
introduction： The mode of communication in which the data of each member of a message is transmitted simultaneously is called parallel communication。The characteristics of parallel communication are：All data bits are transmitted simultaneously，Fast transfer speed、High efficiency，But you need as many data lines as you have data bits，Therefore, transmission costs are high，And only for close quarters（Several meters apart）Communication of。 The communication mode in which the data of a message is transmitted bit by bit in order is called serial communication。Serial communication features are：Data bit transfer，The transmission is carried out in bit order，At least one transmission line is required，Low cost but slow delivery。The distance of serial communication can be from a few meters to several thousand meters。
2015-01-13 Reading quantity 2857
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