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Type: Posts; User: Red James

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  1. Grinding with the O.D. of the wheel creates much...

    Grinding with the O.D. of the wheel creates much less heat than grinding with the side of the wheel. Even relieved there is much greater wheel contact with the side than the periphery. Heat will be...
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    Think of using glass instead of carbide . . ....

    Think of using glass instead of carbide . . . works about the same. DON'T HIT IT OR HIT ANYTHING ELSE WITH IT, ESPECIALLY HARDENED STEEL!
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    More may be needed than just bellville washers. I...

    More may be needed than just bellville washers. I would at least consider letting someone experienced with spindles do this work. Too expensive if you overlook something.
  4. Mazatrol pipe threads are easy to program . . ....

    Mazatrol pipe threads are easy to program . . . pick a nominal start diameter (even add 0.100" to the diameter if not sure). Apply 3/4" per foot taper to the o.d. (same taper angle for all npt...
  5. McMaster has a large variety of 18-8 shoulder...

    McMaster has a large variety of 18-8 shoulder screws priced 25-30 % less than $3.
  6. Put a hex wrench in the removable jaw screw for...

    Put a hex wrench in the removable jaw screw for leverage an see what kinds of sloppy movement you can detect.
  7. 2 cold finish 1 x 4 x 6 (or longer) flat steel...

    2 cold finish 1 x 4 x 6 (or longer) flat steel bar with two holes each drilled to match my Kurt vise hole pattern will hold up to 8" dia rounds. If used often, case harden and grind for long term use.
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    Grind relief on a form tap; no chips to mess...

    Grind relief on a form tap; no chips to mess with. Std 1/4" form tap will be 2.5 inches long.
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    Try Sloan Supply Metal Roofing

    Try Sloan Supply Metal Roofing
  10. It's a contouring band saw, not a production saw....

    It's a contouring band saw, not a production saw. Just pick the size you are most likely to use. Most people don't contour with a 1" blade.
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    Spend your time making tee-nuts with a 5/16...

    Spend your time making tee-nuts with a 5/16 thread, or even 1/4. Washers are easy.
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    This will not do well pulling 1.5 mm stock . . ....

    This will not do well pulling 1.5 mm stock . . . says 6 minimum
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    How is the 'cut off' end finished? Thread...

    How is the 'cut off' end finished? Thread chamfered?
  14. Thread: Belt swap

    by Red James
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    1,091

    Snowmobile belts see severe service, so I don't...

    Snowmobile belts see severe service, so I don't see why a properly sized belt won't work.

    Please report back!
  15. Maybe make a new draw bar with 5/8-11 thread?

    Maybe make a new draw bar with 5/8-11 thread?
  16. When I moved mine I stretched a bungee cord under...

    When I moved mine I stretched a bungee cord under the grinder and fastened the ends to the cable. Did not leave any slack at all in the cable.
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    Looked at an image on line of your vise . . ....

    Looked at an image on line of your vise . . . looks like that thin shield might just keep chips out of the screw. Worth trying I would think.
  18. Thread: 4 axis cut

    by Red James
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    460

    Contact APPLICATIONS department; they can explain...

    Contact APPLICATIONS department; they can explain error codes and should be able to send documentation for your machine.
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    This is certainly possible, but there are...

    This is certainly possible, but there are occasional losses so quote accordingly. My experience holding 0.0003" total tolerance on three different dia's on a 6" long shaft yeilded 94% good parts....
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    I think the op is trying to use a Harrig...

    I think the op is trying to use a Harrig Grind=All, not a simple vee block.
  21. Several comments above say 'lexan' not 'plexy'...

    Several comments above say 'lexan' not 'plexy' but don't say why. Its because Plexiglass is brittle and easily broken (very sharp edges too!) while Lexan is nearly unbreakable. Much safer!
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    Manual edm machines are sort of like shapers;...

    Manual edm machines are sort of like shapers; useful but not much used in todays shops. Yeah, price sounds like it could be right, depending on brand names.
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    With a hardness of 45-50 leave the flange dia's...

    With a hardness of 45-50 leave the flange dia's about 0.010" big and finish with carbide (or better, cermet) after heat treat. This hardness range will work fine for that.
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    US minimum wage will prevent US mfg of this pin....

    US minimum wage will prevent US mfg of this pin. Suggest you look overseas if you have to have parts for less than $1.00 each
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    I agree totally with pricing to the market, not...

    I agree totally with pricing to the market, not by what your shop time adds up to. You quote a job's minimum cost time wise to determine the lowest price you can make something for, then price to...
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