Recent content by MOTASH

  1. M

    Stepper torque calculation to drive a solid cylinder

    if you forget about the motor: what is the torque needed to rotate the above cylinder by 1.8deg from rest in 10ms
  2. M

    Stepper torque calculation to drive a solid cylinder

    I'm having a problem characterizing the load, to select a proper motor I'm not sure if i understand your point : by looking into motor curves how can i select which one fits? regarding the speed of 30rpm,i hope i could make it 300rpm :),but into the eqn this would mean a higher angular velocity...
  3. M

    Stepper torque calculation to drive a solid cylinder

    Hi All, I'm working on some design and apparently my physics expertise are getting rusty,i'd appreciate some help with the following:- I need to calculate the required torque for a stepper motor to rotate a solid cylinder with the following properties:- radius : 20cm height: 12cm density : the...
  4. M

    Getting Started with Maxwell 3D (ANSOFT)

    Hi All, I'm mainly interested in Permanent Magnet (PM) Simulations with MAXWELL and having some questions that i would appreciate if someone can help me with:- 1- is it possible to simulate 3D Transient with only PMs (excitation by Magnetic Forces) such that i can see a motion due to...
  5. M

    Help with ANSOFT MAXWELL 3D Magnetic material

    Hi I'm having an issue ANSOFT MAXWELL : Assigning a permanent magnetic material to a body (for ex NDFE35) provides me a means of setting the magnetization direction (through x,y,z unit vectors ) inside the material settings so if i have multiple PM bodies rotated :- 1- do i need to create a...
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    How can I successfully simulate a Transient 3D solver using ANSOFT MAXWELL?

    Hi All, I'm starting using ANSOFT MAXWELL and stuck in simulating a Transient 3D solver i'm simulating a simple permanent magnet setup (attached an image) to examine fields/forces/motion M1 is rotating around Z-Axis while M2 is fixed out of the motion setup I'm seeking some guidance to get...
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