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  • Users: johnboy
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  1. johnboy

    FORCES

    Please can anyone help me with a little fundamental. If you imagine a clamp which has two upright legs pivoted at the bottom and connected firmly to a base and the tops are tied together with a pneumatic cylinder with pivoting clevis's each end. If half way along the vertical legs is attached...
  2. johnboy

    BEARINGS &TRACK ROLLERS

    Please can anyone tell me if you can use a standard roller bearing as a track roller as long as you stay within the working loads as specified in the catalogue. Surely a track roller bearing of similar dimensions to a roller bearing are essentially the same thing arent they. The outer race of a...
  3. johnboy

    FINITE ELEMENT PACKAGES

    Please can anyone tell me about Finite element packages and how I could get experience using such packages. What is shareware and how does it work??
  4. johnboy

    material & coating for air bearings

    I have just designed an air bearing for a lightly loaded application using calculations from a book.<br>It has been manufactured and worked superbly when first tried until the outer sleeve (aluminium) particles I think jammed it up when it rubbed when the air was turned off.<br>The shaft which...

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