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introduction： So-called injection molding（Injection Molding）Refer to，The heated melted material is sprayed into the mold，After cooling and curing，The way to get the shape。 Suitable for mass production and complex shape products and other forming processing fields。 Injection forming works are performed in the following six sequences： Die closing ejection Pressure maintaining cooling mould unloading Take out the product Repeat the job flow，The product can be continuously produced。 Injection molding machines can be divided into mold closing devices and injection devices。 us
2015-02-19 Reading quantity 2797
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。]The interference with the bearing diameter or bearing seat hole is small，Most of them are assembled by pressing method。The easiest way is to use a brass rod and a hand hammer，Strike the seat ring of the interference fit of the bearing belt symmetrically in a certain sequence，Make the bearing press in smoothly。In addition，It can also be driven by hand hammer or press into the casing made of soft metal
2015-02-19 Reading quantity 1555
introduction： This kind ofTIMKENbearing[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 characteristics of grinding method are：Full grinding allowance (0．20～0．60ram)With a smaller longitudinal feed(f_longitudinal= 0．08B～0．15Bmm／r)，Sharpen it in one longitudinal stroke。This grinding method is adopted，Need to be
2015-02-19 Reading quantity 1460
introduction：Weve heard of electromagnetic clutches，What about the electromagnetic brake? Not so familiar，Now let me share with you。 An electromagnetic brake is a mechanical part that stops or slows down a moving part in a machine。brake、brake。The electromagnetic brake mainly consists of a brake frame、The brake part and the control device are composed。Some electromagnetic brakes are also equipped with an automatic adjustment device for brake clearance。In order to reduce the braking torque and structural size，The electromagnetic brake is usually mounted on the high-speed shaft of the equipment，However, large equipment with high security requirements(Such as mine hoist、lift)It should be installed at a low speed near the working part of the equipment
2015-02-19 Reading quantity 2761
introduction：normal，If used correctlyIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]，Can be used until fatigue life is reached。But there will be accidental premature damage，Intolerability to use。This early damage，Relative to fatigue life，Use limits for qualities referred to as failures or accidents。Many causes are installation、Use、Careless lubrication
2015-02-19 Reading quantity 1532
introduction： 1. Data conversion Data conversion is the first step of programming。Modern industrial restructuring and shortening of product development cycle，It has increased tremendouslyCADwithCAMThe probability of offsite production，This makesCADThe transformation of model becomes the key link of modern production。PowerMILLThe conversion data is stable and reliable，Be able to readCATIA、UG、Pro/ENGINEEREtc.14Data in various formats。With otherCAD/CAMCo-use of software，Make full use of the advantages of each software，Greatly improve the efficiency and quality of programming 。 2. ginseng
2015-02-19 Reading quantity 2807
introduction： one、Overview of the method of steel number representation in China The grade of steel is referred to as steel，Is the name given to each specific steel product，It is a common language for people to understand steel。The method of steel number in our country，According to national standards《Steel product brand representation method》（GB221-79）Stipulate in...，Chinese phonetic alphabet is used、A combination of chemical element symbols and Arabic numerals。namely： ①The chemical elements in the steel number are represented by international chemical symbols，Such asSi,Mn,Cr……Etc.。For mixing rare earth elements“RE”（or“Xt”）expression。
2015-02-19 Reading quantity 1585
introduction：Use grease correctly，Must know the grease grease inTIMKENCylindrical roller bearings[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。]Motion in。Ensure the stability of grease。The movement of grease filled in a rolling bearing，withTIMKENRotation of cylindrical roller bearings，Broadly, there are two stages。
2015-02-19 Reading quantity 1494
introduction： Bearings used in various machinery industries at present[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。]Most of them are ball bearings.、Needle roller，Only a small number of self-lubricating bearings have been used，I believe in the near future will come from lubricated bearings will be strong in adaptability、wear-resistant、Economic and other indisputable advantages and become the leading products in the bearing industry。The following is part self-lubricating
2015-02-19 Reading quantity 1497
introduction：INAbearing[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。]Precision parts，Therefore, it requires considerable caution when using，Even with high-performance bearings，If used improperly，Nor can it achieve the expected performance effect，And easy to cause bearing damage。Chinas oldest bearing with a modern rolling bearing structure prototype but now
2015-02-19 Reading quantity 1563
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