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  1. whlock

    Reaction force calculations and questions

    Here is a simple one... I am trying to calculate force at A & B. The L shape is a simple beam. so summing the force at the center of the beam A-B=1700 -------(1) summing the moment at the center of the beam, assuming anti-clockwise is positive -3.699A - 5.676B = 9.498 (1700) ------(2)...
  2. whlock

    Horsepower calculation. Bearing

    When one using a bearing to drive a certain weight of material, do u just use the normal force multiply by the coefficent of friction and then use this force to figure out the torque? I am using a bearing to drive some weight thru 6.67' distance, the bearing has pitch diameter of 3". I obtained...
  3. whlock

    Where to put constaints to do FEA on thread

    Attached is tie rod dwg. I am trying to do a FEA on the tie rod but results was not what I wanted. Anyway, I will start by explaning this tie rod. There are four tie rod that hold two platen in place. The picture shows half of a tie rod cuz I used a symmetric constraint on it. It has thread...
  4. whlock

    Mandrel piercing load calculation

    I do not know the diameter of the mandrel. The billet is 20" length and material is Beryllium Copper. What would be the largest pierce hole for 500 ton piercer... do u have the equation...
  5. whlock

    Mandrel piercing load calculation

    This is regarding manufacturing a seamless tubing using a pierce and extrusion press. I am trying to figure out if a 500 ton piercer be able to pierce through a solid billet or a hole need to be drilled into the billet before extruding it into a seamless pipe. From my understanding, I am just...
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