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  1. vanquang

    How to change the abrasives of a grinder surface to roughness?

    Hello everyone, Im drawing a grinder wheel. But I don't know how to the abrasives of a grinder surface to roughness to display in drawing. May any one help me, please.
  2. vanquang

    How to trigger one event in event history NB designer by a word code

    Hello everyone I want write a code to a word, the code is the number of an event in event setting. Does anyone know how to trigger that event by the corresponding code in that word.
  3. vanquang

    Mechanism which perform two moving direction with only one cylinder.

    Hello every one, I want to make a part for marking NG product. The part include a cylinder, a pen will be attached at one top of cylinder. The head of pen sinks in a painting oil pool. When NG product is detected, the cylinder will bring the pen to touch the product for marking, and the head...
  4. vanquang

    Example for Omron NB HMI and Sysmac studio NJ301.

    Hello every one, I need some examples for Omron NB HMI and Sysmac studio NJ301. May anyone help me, please. Thank you.
  5. vanquang

    How to sharpen drill bit to remove scrap.

    Thank you so much again for your helpful video, berkshire.
  6. vanquang

    How to sharpen drill bit to remove scrap.

    Thank you berkshire, I understood but how should I grind the web.
  7. vanquang

    How to sharpen drill bit to remove scrap.

    Thank you berkshire, I'm sorry but I am not good in English to understand all your explain. May you explain more for me, please. - what is "If it is present cut that portion of the drill off" - Do you mean I need to re-grind the web, but what is thickening, - Would you mind circle the wear in my...
  8. vanquang

    How to sharpen drill bit to remove scrap.

    Thank you all for your help/ Finally, I have managed to fix my problem although I don't have a clear understanding how burrs are born during drilling process. I know that there is always burr after drilling, but some worker make burr which are higher than other make even they use same machines...
  9. vanquang

    How to sharpen drill bit to remove scrap.

    Can you explain more Compositepro
  10. vanquang

    How to sharpen drill bit to remove scrap.

    I don't understand what you mean Ted. The work piece will be transferred to another process after drilling without removing burr.The burr only appear after drilling with re-grinded drill bits not new drill bits
  11. vanquang

    How to sharpen drill bit to remove scrap.

    Hello everyone, I use a grinding machine to sharpen drill bits. But the sharpened tip is not ideal. The chisel edge is not straight and too large. The holes always have scraps in it's edge. Does anyone know how to adjust the tool to solve those problem. Thank you
  12. vanquang

    Effect of datum precedence

  13. vanquang

    Effect of datum precedence

  14. vanquang

    Effect of datum precedence

  15. vanquang

    Effect of datum precedence

    Hello everyone I don’t undertsand about the precedence of reference datum in this drawing. I asked my colleague and he just say it obeys principle of MMC. I wonder without regarding to MMC, is there any difference if I change the order of reference datum in tolerance frame.(X,A,C to...

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