Roller chain coupling

  • The earliest origin of Mother's Day

    • 　　The earliest known Mother's Day originated in ancient Greece.On this day, the ancient Greeks paid tribute to Hera, the mother of the Greek gods.Later in the middle of the 17th century, the festival spread to England.On this day, young people who are away from home will return home and give their mothers some small gifts. ...

  • The difference between elastic pin coupling and elastic sleeve pin coupling

    • 　　The elastic pin coupling is a pin made of a number of non-metallic elastic materials, which is placed in the flange hole of the two halves of the coupling, and the two halves of the coupling are connected by the pin. The coupling structure is simple and easy It is more convenient to manufacture, assemble, disassemble and replace the elastic element, without moving...

  • How to calculate the force of the diaphragm coupling

    • 　　(1) Membrane stress generated by the torque of the diaphragm coupling.Suppose the transmitted torque is T(Nm), and the total number of pieces is m. For 8-hole bolts, it is known from simplified conditions: the torque of a single diaphragm is T1=T/m, and the force on each main bolt is F =T/4mR. ...

  • Market changes in steel casting output in recent years

    • 　　2011年1-10月份中国铸钢件产量为9020786吨，其中10月份铸钢件产量为970123.5吨。 2012年我国铸钢件总产量较2011年有所增长，这对于国内相关下游企业的需求有很大的帮助。据悉，2012年12月份...

  • How to assemble flange coupling?

    • 　　The most widely used fixed coupling is the flange coupling, which connects two flanged half couplings with two main shafts with keys, and then bolts the two half couplings Connected as a whole to transmit movement. ...

  • Two methods of coupling alignment adjustment

    • 　　When installing the equipment, first install the driven machine (pump) so that its axis is in a horizontal position, and then install the master machine (micro-motor), so only the master machine needs to be adjusted when aligning, that is, the master machine (micro-motor) Add an adjustment pad under the feet...

  • The choice of universal coupling?

    • 　　1.When selecting a universal coupling, it should be selected according to the load characteristics, calculated torque, bearing life and working speed. 2.The calculated torque is obtained by formula (1), formula (2) or formula (1), formula (3): Tc=KT ………………(1) T=9500Pw/n …...

  • Type selection of steel ball energy-saving safety coupling

    • 　　The torque transmitted by the steel ring energy-saving safety coupling is determined by the coupling's size, power, working speed and steel ball filling. Therefore, its model selection is different from other couplings. ...

  • Choice of flange coupling

    • 　　Rigid couplings are divided into flange couplings, radial key flange couplings, sleeve couplings, clamp couplings and parallel shaft couplings.The material of the flange coupling can be gray cast iron and carbon steel, and cast steel or forged steel should be used for heavy load or when the peripheral speed is greater than 30 m/s. ...

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