Why is machining so dirty?

Stop doing warm-up cuts on graphite blocks.

this stuff, including barstock, is dirtier than it looks.

It is a badge of honour. As long as you do not do surgery in your day job when it can get teensy weensy embarrasing. Barrier cream before, Orange Cleaner after...

The approved way is to buy or make brass barbed connectors to make Frankenhoses. Hidden at your all-night WalMart with the air tool supplies. Likewise braze adapters out of brass pieces cut from off-the-shelf fittings.

Of course it is an EPA felony to mix up your refrigerant kit, or retrofit R12 gages to R134a fittings, etc. So this is, um, a purely hypothetical suggestion, for educational purposes only. I am required to disclose that you should discard all your R12 gear and replace it with Chinese versions with original government-approved fittings.

Betcha didn't know metalworking could be criminal.

Betcha never thought criminal law would incorporate metalworking specifications. Thou shalt not mix left hand threads with right, it is an abomination. Cf 40 CFR

Like these?

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"Ivan Vegvary" wrote in message news:DZCak.156$wa1.90@trndny07...

Perhaps you are a dirt magnet. I have the affliction, and it may be hereditary. I could walk through a level 7 clean room and come out with dirt on me. Forget about wearing white, it's just an invitation to disaster. My wife thinks it's some kind of negative charge thing---she is sure that dirt will jump up to 20 ft just to cling to me.

Bill

Machining is dirty to keep girls from doing it.

If ya ain't dirty, ya ain't workin'

Jim

I don't wear white either. I am kind of like PigPen in the old Peanut comics.

CarlBoyd

Richard, You are so right about the above. I guess I need to go from a 1/4" flare to an acme thread. The web site indicated about 3 messages down show the right fitting. I simply don't understand why the 30 lb. bottle of 134 did not come with a male 'acme' thread instead of the old 1/4" stuff. I did go to my local ACE hardware to pick up two fittings that I could silver solder into one. As soon as I saw that they had 3/16" and 1/4" barbed hose splices, I purchase those. One of those should be a good fit for my two cobbled together hoses. BTW, my local ACE has lots of brass fittings, however, they tend to be about $ 5-6 each.

Thanks for you ideas.

Ivan Vegvary

Yep. Illegal adapters.

You have iron oxide (black) on your hands. Micro ships or scraping tiny bits or from grinding / sanding.

I turned some custom made Iron. That was full of carbon! It smelled of oily carbon.

Martin

Mart> Subject almost says it all.

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It may depend on whether it was sold for auto use or fixed refrigeration.

It's the exact same R-134a inside the bottle, only the fittings are changed to increase the prices...

Adapters between SAE Flare and ACME Flare are readily available premade at any refrigeration supply house, for a lot less than it costs to make them. I have them.

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On Wed, 2 Jul 2008 22:18:54 -0400, with neither quill nor qualm, "Carl Boyd" quickly quoth:

You're likely describing the entire group here, guys. We DO things and we MAKE stuff and we FIX stuff. That gets us dirty. End of story.

I wear white only in my nightmares.

-- Such is the irresistible nature of truth that all it asks, and all it wants, is the liberty of appearing. -- Thomas Paine

Dreaming you're Yanni or Ricardo Montalban?

On Thu, 03 Jul 2008 10:19:43 -0400, with neither quill nor qualm, Ned Simmons quickly quoth:

No, The Loooooooooooooooooooooone Raaaaaaaaaaaaaanger, Tonto.

-- Such is the irresistible nature of truth that all it asks, and all it wants, is the liberty of appearing. -- Thomas Paine

Oh, try machining cast iron and get back to me about nasty and dirty.

Wes

Grand Kleegal Sen. Byrd?