Atlas quick wheel

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Harold_V
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Joined: Fri Dec 20, 2002 11:02 pm
Location: Onalaska, WA USA

Re: Atlas quick wheel

Post by Harold_V » Mon Jun 04, 2018 2:59 pm

I just experienced the modification of a socket, albeit one with an integral U joint. While it was machineable (I had to drill and tap a couple of 10-32 threads in the sides), what I discovered was that they are likely nitrided. The center drill I used for spotting was dulled immediately, so I hand ground a spade drill from a piece of round carbide scrap I had on hand, which had no trouble penetrating the hardened skin. Once that was accomplished, opening the holes and tapping were not an issue.

H
Wise people talk because they have something to say. Fools talk because they have to say something.

Glenn Brooks
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Location: Woodinville, Washington

Re: Atlas quick wheel

Post by Glenn Brooks » Mon Jun 04, 2018 4:28 pm

Harold, what does it mean when you say the socket might be ‘nitrited’? I assume some form of coating, but what would a nitrate coating consist of?

Also, I wonder if these sockets might be case hardened and seriously passivated through some chemical immersion process, and or chromed to prevent rust? Iam curious, as I’ve never seen a spec of corrosion on any socket, and some of mine are over 50 years old hard working mechanics tools, part of which lived on a fishing boat for decades in and near salt water.

Glenn
Moderator - Grand Scale Forum

Motive power : 1902 A.S.Campbell 4-4-0 American - 12 5/8" gauge, 1955 Ottaway 4-4-0 American 12" gauge

Ahaha, Retirement: the good life - drifting endlessly on a Sea of projects....

John Hasler
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Re: Atlas quick wheel

Post by John Hasler » Mon Jun 04, 2018 6:26 pm

I think Harold means "nitrided". https://en.wikipedia.org/wiki/Nitriding

Glenn Brooks
Posts: 1424
Joined: Mon Nov 10, 2014 1:39 pm
Location: Woodinville, Washington

Re: Atlas quick wheel

Post by Glenn Brooks » Mon Jun 04, 2018 10:07 pm

Thanks John, Very interesting read.

Glenn
Moderator - Grand Scale Forum

Motive power : 1902 A.S.Campbell 4-4-0 American - 12 5/8" gauge, 1955 Ottaway 4-4-0 American 12" gauge

Ahaha, Retirement: the good life - drifting endlessly on a Sea of projects....

Harold_V
Posts: 17142
Joined: Fri Dec 20, 2002 11:02 pm
Location: Onalaska, WA USA

Re: Atlas quick wheel

Post by Harold_V » Tue Jun 05, 2018 4:04 am

John Hasler wrote:
Mon Jun 04, 2018 6:26 pm
I think Harold means "nitrided". https://en.wikipedia.org/wiki/Nitriding
Yes, that's what I meant. Thank you, John. :-)

H
Wise people talk because they have something to say. Fools talk because they have to say something.

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