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  • Users: rjsutton
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  1. rjsutton

    Sprocket- jackshaft-final lifting capabilities help

    Hi I have a machine in progress where i have a 200W 12vDC motor going thru a reduction box at 1:80 (final speed 27rmp) giving 40N.m ( 400kgf.CM )I am using an 11tooth 428 sprocket to drive a jackshaft off this reduction box. I have a final lifting weight of 80kg which will be lifted by the final...
  2. rjsutton

    Ballscrew design and 12vdc rpm and torque calculations help required

    Hello IM normally quiet smart but the following has me stumped. My Carpentry brain just cant work it out I have a machine that has a 200x 20mm sliding plate ( slides on 2 SGB20N bearings each end) it has a vertical load of 400N each side I need to get this plate to slide(powered) from one end of...
  3. rjsutton

    Rack and pinion movement problem

    Hi I have a problem that i hope someone can help me with I have 3 items item C is a fixed plate with a length of 900mm item B is a plate 900mm long it is connected to C with linear bearings and needs to move a total of 400mm . This happens already by using a linear actuator that is connected to...

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