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⏣ General Metalworking All aspects of working with metal.
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Please see below the list of the most recent and the best rated articles in ⏣ General Metalworking

The most recent discussions

ping Gunner, even the 'big boys' sometimes have a little weld failure.

September 2, 2014, 1:44 am

Okay, Copenhagen Suborbitals had an engine test, which generated some rather spectacular video First you see the test (all 17 seconds) in real time, then repeated at 240 fps. Apparently those ... Read more »

Small block chevy cast block weld

September 1, 2014, 2:46 pm

Need to weld a broken starter mount tab (outside hole) on a SBC block. Hole is way beyond using a thread insert Fairly experienced at arc welding cast with nickel rod but also have a mig welder. ... Read more »

coolant antifreeze

September 1, 2014, 7:46 am

spent the day yesterday helping the kid get his new shop up and running... Ain't no way he'll have it it tight enough to heat 24X7 for a MN winter this year. many years ago, I took old car radiat... Read more »

Dropbox entry

August 31, 2014, 8:18 pm

A bracket for a more convenient attachment of a ladder stabilizer. http://www.mwdropbox.com/dropbox/LadderStabilizerMount.pdf Read more »

Which: re-rivet or weld?

  [ 2 ]
August 31, 2014, 12:22 pm

I have an old Jon boat, from Sears, that has a bunch of leaky rivets. In the past I had one of these boats, not a Sears but almost identical that also had leaky rivets. I re-set all of the leaky ri... Read more »

Found Good Surplus Place

August 29, 2014, 4:33 pm

I was figuring on building the control enclosure for my son's belt grinder but looked on ebay. Found a lot of enclosures, sorted on nearest first. There were a bunch at 5 miles. I looked up the ... Read more »

Question about the HIP process

August 29, 2014, 12:04 pm

I was reading in Nasa Tech Briefs about Electron Beam Melting (EBM) being used to make near net and net parts out of titanium alloys. Other alloys have been used to make parts, aluminum being one, ... Read more »

Antique electrical vault - Pictures

  [ 2 ]
August 28, 2014, 9:42 pm

http://www.machinerymoverschicago.com/blog/Antique-Functional-Electrical-Vault/ I worked in this vault today for a couple of hours. Most everything was live. Read more »

New U.S. Stealth Jet Can't Hide From Russian Radar

August 27, 2014, 12:37 pm

http://www.thedailybeast.com/articles/2014/04/28/new-u-s-stealth-jet-can-t- hide-from-russian-radar.html America's gazillion-dollar Joint Strike Fighter is supposed to go virtuall y unseen when fl... Read more »

An industrial control win for me

August 26, 2014, 6:11 pm

A customer called last week with a problem on their packaging line. one of the machines was running out of sync with the feed screw, and making a hell of a mess of the labels. I took a look and ... Read more »

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The best rated discussions


The secret of a neat fillet weld?

Hi all, I've been using a stick welder for occasional hobby projects for about 9 years now (the welder is a Cytringan Bantam 180 amp oil-cooled unit). I've mastered butt welds and can achieve an ev... Read more »


Blast furnace parts, Natural gas, Kiln igniter

I am attempting to repair a gas-fired kiln that is used to fire the shell moulds at a bronze foundry. The fire clay nozzles cracked and caused heat to destroy the ignition transformers. The problem i... Read more »


Angle Iron/Aluminum

I am working on a project that will require me to create a ledge the turns down at a 90 degree angle. It has to be as resistant as possible to oxidation(ie:sweaty hands), and also as dark as possible... Read more »


Oak Signature Coolant

We have always run Valenites VNT 800 in our turning and machining centers and have real good results. ( tool life, sump life, etc. ) As far as price and being able to get it shipped to the shop for ... Read more »


Semi on topic LVDT

I had to troubleshoot one of these things today. For some that frequent this list it is something they likely have run into or wondered about, expecially if they work in manufacturing. LVDT Linear V... Read more »


Chinese mini-lathe factory pictures etc.

  [ 2 ]

If you are curious how chinese manufactures build the mini-lathes and mini-mills that are sold by grizzly and harbor frieght etc, here is a nice picture tour of a modern chinese manufacturing plant t... Read more »


Looking for miniature hex head bolts/cap screws

I'm looking for a source for stainless steel hex head bolts or cap screws in sizes down around 00-90 or M1 (1 mm). Small Parts stops at 0-80. Does anyone have any suggestions? Thanks for your help! ... Read more »


Warping when Hardening and Tempering

Follow up to some previous inquiries I made recently and more questions. The tool is a 3/4 x 1/8 x 2 long piece of W-1 water hardening tool steel. It's bevelled along one of the long sides like a sh... Read more »


3-D prototyping printer?

I remember seeing a web page describing a process that deposited (sprayed?) material (plastic?) to build up a CAD design so that in the end you have a 3-D prototype of your design. Basically, a CN... Read more »


Interesting article on bringing manufacturing back to America

http://www.theatlantic.com/magazine/archive/2012/12/the-insourcing-boom/309166/1/ Thomas Mayor, a senior adviser with Booz & Company who specializes in manufacturing strategy, says that in indus... Read more »