CRP4896 Standard to Linear Rail Conversion - Page 5


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Thread: CRP4896 Standard to Linear Rail Conversion

  1. #49
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    All of his boats have been wood, primarily plywood. And yes he has alot of time on his hands, having been retired for 20 years already.

    I don't have alot of pictures of his boats. This album has the powerboat, and a camper he built. most of the parts cut on the cnc router.

    https://photos.app.goo.gl/qDaXfkLvxAskxkTV9



  2. #50
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    Quote Originally Posted by nlancaster View Post
    All of his boats have been wood, primarily plywood. And yes he has alot of time on his hands, having been retired for 20 years already.

    I don't have alot of pictures of his boats. This album has the powerboat, and a camper he built. most of the parts cut on the cnc router.

    https://photos.app.goo.gl/qDaXfkLvxAskxkTV9

    Very nice.

    The Old Man and the C -----NC


  3. #51
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    cutting the last component, I will get some pictures up tomarrow.




  4. #52
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    $180 cost of aluminum, 6 hours of machining/setup = $600 worth of parts if I was selling it.





  5. #53
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    Quote Originally Posted by nlancaster View Post
    $180 cost of aluminum, 6 hours of machining/setup = $600 worth of parts if I was selling it.


    Nice job! Your plates look a lot different than Avid's. Looks like there isn't going to be a lot of room for the head of the screw that attaches to the linear rail bearing block - the one in the pocket. Maybe it's just the camera angle. Are your plates thicker than Avid's, hence the pocket? Will probably make more sense when post pictures of them mounted.

    Jeez, but aluminum sure is expensive.

    Gary


    The Old Man and the C -----NC


  6. #54
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    So my plates are 3/4 and so are Avids. I went with a pocket for the stepper drive system instead of a pocket for the linear carriage mounts.

    The linear carriage bolt holes are 1mm oversize, and the head pocket is 1mm oversize. Should be plenty of room.

    If you compare my design above to avids you will see that I reversed the aluminum extrusion to the inside of the plates, because my bed is already 57inches wide, the regular pro machine bed is only 50inches(aproximatly) wide.



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    Default Re: CRP4896 Standard to Linear Rail Conversion

    Quote Originally Posted by nlancaster View Post
    So my plates are 3/4 and so are Avids. I went with a pocket for the stepper drive system instead of a pocket for the linear carriage mounts.

    The linear carriage bolt holes are 1mm oversize, and the head pocket is 1mm oversize. Should be plenty of room.

    If you compare my design above to avids you will see that I reversed the aluminum extrusion to the inside of the plates, because my bed is already 57inches wide, the regular pro machine bed is only 50inches(aproximatly) wide.

    I came to the conclusion that you reversed the pocket. The linear rail blocks wouldn't mount otherwise. All the bolt holes looked properly sized, however, the hole in the pocket looked like it was too close to the edge of the pocket. I know you would have avoided an issue like that. The camera angle was deceiving.

    Makes sense why you reversed the pocket.

    Gary


    The Old Man and the C -----NC


  8. #56
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    Been working too much, Got back to this today.

    Tapped 39 holes today.....

    23 1/4-20
    10 5/16-18
    6 3/8-16

    Used a tapping press and managed to not break any taps!!!



  9. #57
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    Engine turning all the conversion parts before I get them anodized.





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    Default Re: CRP4896 Standard to Linear Rail Conversion

    Very nice!
    How did you achieve that effect?
    Will it will show through the anodizing?



  11. #59
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    Default Re: CRP4896 Standard to Linear Rail Conversion

    It should show thru anodizing just fine, as anodizing just changes the surface to aluminum oxide and introduces color to the process at the same moment.

    I did it with a fine roll lock pad in my spindle, 8000rpm .075 step down to compress the roll lock pad, 1/2 second dwell time

    Here is a video.





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    Default Re: CRP4896 Standard to Linear Rail Conversion

    So very cool! Thank you for sharing!

    David Gage
    Deep Sea Sound


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