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Thread: 30-45-60 V-Block

  1. #1
    rossbotics rossbotics's Avatar
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    30-45-60 V-Block

    I was making some new locking handles for the table and cross feed on my mill the other day and had a brain storm, these handles Im making have a locking lever that requires a tapped hole at 30 to the axis of the handles screw, drilling and tapping these holes at that angle is not a problem if you had just the right size v-block with an angle plate under it, they could also be tapped with just an angle plate under them or a dividing head and several other ways, the jaws on the mill vise are only 1-3/8 tall so it was a toss up to make just the right size v-block with an angle plate under it or just make a v-block with some common angles machined into it, so I decided to go with a v-block with three different angles milled into both faces, one side of the v-block has a 30 angle milled into it and the other side has a 45 and a 60, the v-block is ground to the same height as the jaws on my vise making it easy to setup, the degree marks are clearly stamped to their corresponding angles, I had thought about making one of these some time ago but never got around to it nor had I the need for it until now, just another little quick setup fixture.

    This block is made from O-1 steel hardened and precision ground flat, square and parallel on all six sides, the vees were then precision ground true to the adjacent sides.

    I have included some photos of the machining and grinding processes and some photos of the block being used.
    As always thanks for looking and happy machining

    Doug

    30-45-60 V-Block-1.jpg 30-45-60 V-Block-2.jpg 30-45-60 V-Block-3.jpg

    30-45-60 V-Block-4.jpg 30-45-60 V-Block-5.jpg 30-45-60 V-Block-6.jpg

    30-45-60 V-Block-7.jpg 30-45-60 V-Block-8.jpg 30-45-60 V-Block-9.jpg

    30-45-60 V-Block-10.jpg 30-45-60 V-Block-11.jpg 30-45-60 V-Block-12.jpg

    30-45-60 V-Block-13.jpg 30-45-60 V-Block-14.jpg
    Comments are always welcome
    Doug

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  3. #2
    gatz's Avatar
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    nice workmanship, Doug

  4. #3
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    Doug
    Very nice with the mark of excellence. Always top shelf.
    Thanks for the shot of the head cranked over for the V groove.
    Nelson

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    I very much appreciate this excellent work and the methods shown so clearly.

  6. #5
    rossbotics rossbotics's Avatar
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    Quote Originally Posted by gatz View Post
    nice workmanship, Doug

    Thank You gatz

    Doug
    Comments are always welcome
    Doug

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  7. #6
    rossbotics rossbotics's Avatar
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    Quote Originally Posted by ncollar View Post
    Doug
    Very nice with the mark of excellence. Always top shelf.
    Thanks for the shot of the head cranked over for the V groove.
    Nelson
    Thanks Nelson

    Doug
    Comments are always welcome
    Doug

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  8. #7
    Content Editor DIYer's Avatar
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    Thanks rossbotics! We've added your V Block to our Measuring and Marking category,
    as well as to your builder page: rossbotics's Homemade Tools. Your receipt:




  9. #8

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    Doug, that is a well-made, useful, and beautiful part. I love it.

    This is not a criticism, but a curiosity. I have a nagging concern over your surface grinder placement. Maybe you have defining reasoning that I can't know for placing your grinder like it is, but I saw that and it made me hesitate. It's common practice to turn the surface grinder so there's a backstop behind the wheel. That's so any broken wheels or thrown parts don't fly across the room and hit someone or something, but into a solid stop, like a wall. I've been using surface grinders for 20 years (before my wreck), ending my career working from a Jung CNC profile grinder making one-off and short run parts (it's most commonly used for jet engine turbine blades). I've knocked away parts and broken wheels a few times, and there's a lot power behind the projectiles. Your thin metal wall could be reinforced with an alternate material directly behind the grinder.

  10. #9
    ncollar's Avatar
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    Doug
    Very nice and showing the set-ups to cut the "V"s.
    Very nice.
    Nelson


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