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  • Rotary vane vacuum pump overheating reason
    Rotary vane vacuum pump overheating reason Rotary vane vacuum pumps in use will inevitably appear high temperature, rotary vane vacuum pump cavity temperature exceeds the limit of the main causes are: ① oil too; ② heavily polluted due to the oil pump caused by mechanical damage; ...

  • Convert -DN mm diameter value to the value of the conversion
    Convert -DN mm diameter vacuum value to the value of the conversion "Φ" and "DN" is generally used to indicate the diameter, the difference is: "Φ" identifies common diameter of the circle, or the pipe wall thickness is multiplied by the outer diameter, such as: Φ25 &ti...

  • Magnetron sputtering vacuum coating machines, solar glass sputtering
    Magnetron sputtering vacuum coating machines , solar glass sputtering Glass tube solar collector magnetron sputtering vacuum coating machine which includes a vacuum vessel, turret systems, sputtering target, and the power of vacuum systems, electronic control and vacuum measurements. The...

  • After comparing before coating tool coating and abrasives titanium principle of development
    After comparing before coating tool coating and abrasives titanium principle of development After comparing before coating tool coating, according to the manufacturer of metal cutting tools principle study in normal cutting tool wear mainly include the following: flank wear; rake wear, ...