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Type: Posts; User: kenton

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  1. Based on Maritool's sheet you should be running...

    Based on Maritool's sheet you should be running 380 rpm with a feed from 7.6-15.2 ipm at the low end to 760 and a feed of 15.2 to 30.4 at the high end, if I can do math today. I would start at 400...
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    My concerns were, what is retaining the barrel...

    My concerns were, what is retaining the barrel (threads in CF? some manner of insert?) and what is holding the cylinder pin parallel to the barrel.
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    I read the title, saw the OT, and thought to my...

    I read the title, saw the OT, and thought to my self "I'm all for DIY but I don't think I'd tinker with my ticker timer".

    Glad to see we are talking about lathes. :crazy:
  4. Are you driving this with something with a power...

    Are you driving this with something with a power feed? If you are driving this by hand in a drill press or with a cordless drill I would be less concerned about something slipping and breaking...
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    There is still a lot of pressure trying to push...

    There is still a lot of pressure trying to push the barrel cylinder apart when fired. The cylinder also is rotating on a pin that is not in line with the recoil force. Those are just a few problems...
  6. What do you mean by swadging? If you mean taking...

    What do you mean by swadging? If you mean taking a bearing ball setting it on the threads and taping it with a hammer so the no-go doesn't thread in, that is not a "Tried and True Method". It is a...
  7. Thread: O-ring sealing

    by kenton
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    992

    https://www.parker.com/Literature/O-Ring%20Divisio...

    https://www.parker.com/Literature/O-Ring%20Division%20Literature/ORD%205700.pdf

    This is the one of the resources suggested. Perhaps look at page 4-21.

    When you say this is a dynamic...
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    Paint your steel plates.

    Paint your steel plates.
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    On the odd ball tooling front, it seems like one...

    On the odd ball tooling front, it seems like one could make or adapt a ER32 collet holder to what ever the spindle taper is and handle pretty much any tooling that machine should handle, outside of...
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    I typed more gibberish than anyone cares to read...

    I typed more gibberish than anyone cares to read so I must be right!

    I'm glad EG is back to being a troll account.
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    Buy it!! It'll be a great long lasting project,...

    Buy it!! It'll be a great long lasting project, something you will always a chance to make parts for and work on. A project that never ends!/s

    Although it is kinda cute.
  12. He may be an ass but why would you ask for help...

    He may be an ass but why would you ask for help without providing the full picture?
  13. What's wrong with using 2 pins to find the...

    What's wrong with using 2 pins to find the diameter?
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    It looks to be 2 flute and not carbide. I would...

    It looks to be 2 flute and not carbide. I would guess a chamfer mill. The pictures aren't great but it might have a carbide cutting edge brazed on.

    What kind of cutting were you doing with it? ...
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    Well worst case situation, smash it with a hammer...

    Well worst case situation, smash it with a hammer before you toss it in the bin to keep this cycle from happening again.
  16. 304 has better machinability than 316 but 316 is...

    304 has better machinability than 316 but 316 is more corrosion resistant. The machinability difference between the 2 may not make much difference but given the choice I would choose to cut 304L.
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    Maritool claims their ER16 collets will grip down...

    Maritool claims their ER16 collets will grip down to .015"

    ER16 Collets Individual Metric and Imperial Sizes - MariTool
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    Its your call, but you could buy 3 used mics at...

    Its your call, but you could buy 3 used mics at that price and pick the best and still come out ahead of buying new. The anvil mic I use in my professional life came from ebay and I never had any...
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    Mitutoyo ~ 117-107 Multi Anvil Micrometer (0-1"...

    Mitutoyo ~ 117-107 Multi Anvil Micrometer (0-1" .0001") Made in Japan | eBay

    I would get something like this and use a 1/8 or 3/16 carbide endmill shank as the anvil. Most have a Vee groove on...
  20. There is also no reason for the adapter to have...

    There is also no reason for the adapter to have to be full length as long as the OD is turned concentric with the barrel bore. Six inches may be more than enough.
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    A shop I used to work for would put all the parts...

    A shop I used to work for would put all the parts in a residential dish washer after they came out of the wet vibe machines. Mostly aluminum with some stainless, not sure what they used for...
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    Here is a picture of a part similar size to yours...

    Here is a picture of a part similar size to yours that needed end features.
    276248
    Edit: picture is sideways, that is a vertical mill :crazy:
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    Nice looking lathe, what do you need help with?

    Nice looking lathe, what do you need help with?
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    I would guess that they used 10mm round HSS...

    I would guess that they used 10mm round HSS blanks and hand ground their cutters. To guess further the front one was the rougher that they had to reginde more often so they put a pusher screw to...
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    I use a pencil eraser.

    I use a pencil eraser.
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