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Type: Posts; User: Rich Carlstedt

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  1. Joe. You are safer with a 5 to 7 degree negative...

    Joe. You are safer with a 5 to 7 degree negative rake in my opinion.
    It somewhat is related to the diameters you are turning . If doing small diameters, like 3/4" you could get away with a flat rake...
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    One of the BEST for sure - miss him Thanks for...

    One of the BEST for sure - miss him
    Thanks for the Pic !
    Rich
  3. Keith covered it correctly. Have done it at...

    Keith covered it correctly.
    Have done it at work many times.
    The argument about heating versus welding may have merit for some applications, but realize this.
    You will not melt the bearing race...
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    You may be getting the HSS too hot when grinding....

    You may be getting the HSS too hot when grinding.
    If the tip of the tool starts to discolor, you have ruined the temper.
    Try to use a course wheel, like 80 grit and then a finer wheel to finish and...
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    Nothing worse than a bad chuck. You don't have...

    Nothing worse than a bad chuck.
    You don't have to be fancy when grinding the jaws
    First, Protect your ways. and place some scotch tape inside where the master jaws engage the scroll, to prevent...
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    Not sure of the method you are using ---this does...

    Not sure of the method you are using ---this does not mean you are wrong--I just not familiar with it, but
    I am very leery of having wood or paper in contact with machined surfaces for periods of...
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    There are so many variations and causes to...

    There are so many variations and causes to controlling size that they cannot be considered here.
    Basically if you are talking about under $ 1,000 machines, you will not get the results in precision...
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    Thanks Bented. Now I understand. ( explains the...

    Thanks Bented. Now I understand. ( explains the neat jaw extensions too ! )
    You have a stock feed problem not a machining problem .
    I assume you do not have a Bar Feeder or a Hydraulic Chuck.
    ...
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    Bented If your lengths are always the same, and...

    Bented
    If your lengths are always the same, and because you have easy to cut material , you should have a form tool made.
    Then it would be plunge to depth and switch to part off , with "If" you...
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    Having built over 60 Phase convertors, both...

    Having built over 60 Phase convertors, both Static ,Rotary and M/G , it is my opinion , and maybe what your friend means is this.
    All RPG's make noise, but Static's can (!!!) be quieter.
    So if he...
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    Very true my friend ! Junk Don't know what...

    Very true my friend !

    Junk
    Don't know what your "finished" shop location is ( garage/shed/basement )? and how far the mover will move it for you ?
    But if he drops it on your driveway and...
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    Here is an abbreviated version of the operation...

    Here is an abbreviated version of the operation making a "Forged " one mm Square head screw.
    If you leave threads above the jaw, they will be upset into the head
    Rich
    ...
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    Another idea---Forging ! . I'll try to show a...

    Another idea---Forging !
    . I'll try to show a pic.
    I have spare jaws (modified steel angle ) for my vise .
    put them in the vise and close with a thin paper between them (.002-3")
    Then Tap drill...
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    375 $ ----If that is to pick it and deliver...

    375 $ ----If that is to pick it and deliver it...grab it !

    Rich
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    Here are some Cart Pics...

    Here are some Cart Pics
    http://bbs.homeshopmachinist.net/attachment.php?attachmentid=5899&d=1567116106
    http://bbs.homeshopmachinist.net/attachment.php?attachmentid=5898&d=1567116082

    The last...
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    The easy way to load it on a pickup truck ( and...

    The easy way to load it on a pickup truck ( and unload) is to have a Tow truck pick it up and back your truck under it
    Use a 5,000 pound hand truck if you can get your hands on one.

    It looks...
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    A follow up: I know some will want to know " why...

    A follow up:
    I know some will want to know " why in the world do you not have a clearance hole in the collar ?"
    Whenever you have a clearance hole, you can get movement and loosening , two...
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    I don't know the posters requirement, but there...

    I don't know the posters requirement, but there are times when a bolt is used as a "Stop" and if it is a fully threaded screw (Set screw in the UK) all the threads may be needed. AN example is a we...
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    Well, I went to the local tech college and took...

    Well, I went to the local tech college and took Solidworks Classes for the past two years. Just finished a book with almost 300 drawings in it
    Tried to learn the Alibre and cheap CAD programs and...
  20. Plunger The relationship between "The V" , The...

    Plunger
    The relationship between "The V" , The "Flat" and the Top Surface(TS) must be parallel as you know , so it is helpful if you have a surface plate and height indicator to work with . Yes you...
  21. Joe, I am surprised no one has mentioned one of...

    Joe, I am surprised no one has mentioned one of the advertisers at the top of the forum heading
    https://www.2linc.com/

    All kinds of engraving tools

    Rich
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    Hands down better than a grizzly...

    Hands down better than a grizzly
    https://www.ebay.com/itm/Bridgeport-milling-machine-J-Head-with-DRO/283589049341?hash=item4207397bfd:g:HSIAAOSw94pdXtfd

    Rich
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    Like all things, you get what you pay for . The...

    Like all things, you get what you pay for .
    The right question is "What do you want to do with a mill ?"
    Work Size, Material, Speed all play a part.
    Do you want to drill ? - Takes a taller throat...
  24. Use a engraving bit, they are like a "D" bit, but...

    Use a engraving bit, they are like a "D" bit, but pointed and usually carbide.
    .005" is pretty deep for a scribed line BUT
    before you do that, a question to ask, What is the surface ?
    is it hot...
  25. Too repeatative I think, so how about additions...

    Too repeatative I think, so how about additions to your list.
    I didn't see these I believe so I will list some additionals I have

    Precision Square (Starrett)
    Precision Level (Starrett)...
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