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introduction：UGThe main model of the design office generally refers to the part model created by the designer。Craft room、Structural analysis room、tracer、The subsequent operation of the engineering staff in the assembly shop is based on this model"quote"。Its main function is to separate the data。See chart below： usual， Non-master modelpartThe file name is a derivative of the part name，Such as***_cam.prt；***_dwg.prt……Which is produced by the tracer***_dwg.prtEspecially common。The steps are as follows： Step1： FileàNe
2015-03-29 Reading quantity 2885
introduction： A thread machining machine that uses a formed wheel as a grinding tool to process precision threads。Thread grinding machines are mainly used in machine manufacturing workshops and tool workshops﹐It is most commonly used in workshops producing thread machining tools and thread gauges in tool factories and measuring tool factories。There are many types of commonly used thread grinding machines。 Universal thread grinding machine The machine layout is similar to that of an external cylindrical grinder。The table moves on the bed﹐Make longitudinal feed motion(Sighting machine)。Grinding wheel holder for transverse feed(See picture Universal thread grinding machine )For grinding workpieces with different lead angles﹐Grinding wheel
2015-03-29 Reading quantity 2794
introduction： pick to：On the basis of analyzing the development status of parallel machine tool and the problems facing the design environment，Combined with virtual manufacturing technology，A virtual product design system for parallel machine tools is proposed，The engineering application value is analyzed，The framework structure of the system is constructed。The system framework includes mechanism conceptual design and kinematics design、Integrated design and dynamic design、Three platforms of job process simulation and job performance analysis，Will be a designer of parallel machine tools、Researchers and users to provide a good digital integration environment。 keyword：Parallel machine tool；Virtual spindle machine；Virtual design；Virtual manufacturing
2015-03-29 Reading quantity 2878
introduction： Imported 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。]The raceway sound and its control method the raceway sound is when the one-way bearing is running，A smooth continuous sound made by its rolling body rolling on the raceway surface，It is a basic sound unique to all rolling bearings。generalSKFbearing[SKFbearing:SKFThe full name is“Svenska Kullager-Fabriken
2015-03-29 Reading quantity 1448
introduction：Compared with ordinary mold materials，Alloy die materials have more excellent thermal properties，Can make the heat transfer in the mold more。Improving the quality of products、Shorten the production cycle and simplify the mold cooling water channel maintenance，High thermal conductivity alloy die materials have played a good role in promoting。 Three important indicators to measure the thermal properties of alloy die materials include：Thermal conductivity、Thermal diffusivity and heat transfer efficiency（That is, the ratio of the square root of thermal conductivity to thermal diffusivity）。High thermal conductivity allows the material to transfer more heat steadily per unit time；The high thermal diffusivity can make the mold change in temperature
2015-03-29 Reading quantity 2798
introduction：GB/T 17906－1999before This standard is based on the requirements of the use of hydraulic breaking tools and the production of domestic hydraulic products、Technical level，According to German standardDIN 14751《Fire hydraulic rescue equipment expander、clipper、Rescue jack》And French standardNFS 61－571《Fire fighting and rescue hydraulic equipment expander、clipper》And the provisions of the current domestic relevant standards。This standard is proposed by the Ministry of Public Security of the Peoples Republic of China。This standard is centralized by the fifth technical committee of the National Fire Standardization Committee。This standard is drafted by Shanghai Institute of Fire Science, Ministry of Public Security。
2015-03-29 Reading quantity 2785
introduction：Electromagnetic slip clutch speed regulation principle diagram field generates induced electromotive force and eddy current，Eddy currents in armature interact with pole magnetic fields to generate electromagnetic force and electromagnetic torque，Thus, the driven part drags the production machinery to rotate。In operation, the driven part must maintain a certain slip with the active part to generate electromotive force and current，To generate electromagnetic torque.Just change the size of the excitation current，The size of the air gap magnetic field can be changed，Thus, the electromagnetic torque and speed can be changed。Smooth adjustment of excitation current with thyristor control device，Stepless speed regulation can be realized. Electromagnetic slip clutch speed regulation with electricity
2015-03-29 Reading quantity 2831
introduction： 1．High carbon chromium steel Service 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 steel is high carbon chromium steel，Its characteristic is that it can be quenched from the surface to the coreHRC58～66Such a high hardness range，It is also called fully hardened steel。This steel is cheap，It is the most widely used in the world。This steel is subdivided into chromium
2015-03-29 Reading quantity 1552
introduction：Standard grease LGMT2This is a multi-purpose grease，Suitable for a wide range of industrial and automotive applications。Agricultural machinery、Automobile wheel 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。]、Transport aircraft、Miniature electric motor。 LGEP2EPembellish
2015-03-29 Reading quantity 1455
introduction： l、summarize The molding process is the most common for plastic materials、One of the oldest forming methods，And it is the most commonly used process method to study the properties of materials。It has a simple molding device、Small equipment investment、The mold structure is simple and so on，In mechanization、Automated production is highly developed today，It remains one of the most popular means of production。however，The mold design of compression molding can be referred to in addition to textbooks、Monographs written by several predecessors、Mold design legend outside，Few people summarize the key skills in mold design。 Heating of die、Keep warm
2015-03-29 Reading quantity 2797
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