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Torque Speed Calculation For Ball Mill

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201412The torque speed characteristic of a typical ball mill is shown in Figure 1. On this curve there are three distinctive points of interest which uniquely characterie the ball mill operation. Figure 1 a The breakaway from rest is identified as the region on the graph requiring 40 to 70 of nominal torque from rest to approximately 20 speed.

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  • Help With Torque Calculation Practical Machinist

    201323Help with torque calculation Hi Assume your maximum speed is 1 footsec your screw needs to turn 120 revs sec 7200 RPM so a 51 gearedup 1HP 1440 RPM motor would do it neglecting friction In the case of my mill there is also substantial torque needed to overcome the gib force and resulting slide friction. Clear as mud eh Bob.

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    2013424The theoretical critical speed of a ball mill is the speed at which the centrifugal force is sufficiently large to cause a small particle to adhere to the shell interior for a full revolution of the mill. The common range of mill speeds is 65 to 80 of critical depending on mill type sie and the application.

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    2016521 Full load running torque required at the kiln or mill shell at inching operating speed. Typically this is set at 120 of main drive operating torque. The desired output speed at the shell. Usually this is targeted at 0.1 RPM with a range of 50 10 Single or dual pinions driving the ring gear. Mill or Kiln type inching

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    201412The torque speed characteristic of a typical ball mill is shown in Figure 1. On this curve there are three distinctive points of interest which uniquely characterie the ball mill operation. Figure 1 a The breakaway from rest is identified as the region on the graph requiring 40 to 70 of nominal torque from rest to approximately 20 speed.

    Live Chat
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