Metal slider coupling
The slider coupling is also known as the metal slider coupling. Its slider is circular and made of steel or alloy. It is suitable for transmissions with low speed and large transmission torque.The cross slider coupling is composed of two half couplings with grooves on the end faces and a middle disc with convex teeth on both sides.Because the convex teeth can slide in the groove, the relative displacement between the two shafts during installation and operation can be compensated.
The metal slider coupling uses a swashplate-shaped slider in the middle to slide in the corresponding radial grooves on the end faces of the half couplings on both sides.
When choosing a metal slider coupling, pay attention that its working speed should not be greater than the specified value.Metal slider couplings are generally used where the speed n<250r/min, the rigidity of the shaft is greater, and there is no severe impact.Metal sliding block couplings and sandwich couplings are suitable for the connection of shafts with lower speed and higher torque. They are two kinds of couplings widely used in building materials machinery. These two kinds of couplings have their own characteristics. But in many cases, neither of these two couplings can be applied.
The material of the metal slider coupling parts can be 45 steel, and the working surface needs to be heat treated to increase its hardness; Q275 steel can also be used when the requirements are lower, without heat treatment.In order to reduce friction and wear, oil should be injected from the oil hole of the middle plate for lubrication during use.Because the half-coupling and the intermediate disc form a moving pair and cannot rotate relative to each other, the angular velocity of the driving shaft and the driven shaft should be equal.However, when working with relative displacement between the two shafts, the middle disk will generate a large centrifugal force, which will increase the dynamic load and wear.
江苏Metal slider coupling Shandong metal slider coupling
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