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  1. #121
    I have been working on the main spindle assembly.
    I change it to a toothed drive pulley instead of a V belt.
    But as I find out this is not as easy as it looks.
    First I redesigning the assembly in my new CAD/CAM module.
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  2. #122
    The first thing I did was making the core pieces to combine the different pulleys together .
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    Last edited by Andre; 07-11-2010 at 08:35 AM.

  3. #123
    Next thing I did was drill the pulleys.
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  4. #124
    I had to make a groove in the soft jaws so the pulleys would fit in to it.
    And turn it to the right dimension of my pulley.
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  5. #125
    It is very important centering the piece so the deviation is minimal in this case 0.02mm both in axial and radial direction.
    The belt will run smooth and with less vibrations.
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  6. #126
    Now the workpiece is ready for ruffing out and finishing .
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  7. #127
    Measuring our workpiece is very important in this case I want to have about 0.02mm play so there will be enough space to glue everything together with a strong adhesive .
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  8. #128
    Now it is time for facing the workpiece and break sharp edges .
    I find it one of the most important things a good machinist got to do (break sharp edges) so our workpiece looks as it coming out a factory and not looks like it came out of the bin.
    Kind regards,
    Andre.


    Experience is the sum of stupidities you have done.
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    Last edited by Andre; 07-11-2010 at 01:20 PM.

  9. #129
    After we made a keyway in the core piece of the motor side we started to glue all the pieces together .
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  10. #130
    Now it is time for some drilling operations.
    First thing to do is make sure your workpiece is correct centered .
    The next thing I do is make a centerhole.
    Drill with the right size so the holes who needs tapping also can be don.
    And break sharp edges.
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    Last edited by Andre; 07-11-2010 at 01:55 PM.

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