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The most recent discussions

Re: White NRA GunHugging Lunatic Shot Dead By Law Abiding Citizen - Another...

February 6, 2016, 5:18 pm

Beam Me Up Snotty should never have written the following: Not Australian... Fuck off! -- The Equalizer ... We know who you are, where you live and what you did Read more »

Sanders: "women rights" a sexist position

February 6, 2016, 1:40 pm

Why hasn't Elizabeth endorsed Bernie? The Boston Globe (in that geographic al area) may have a hint as to why: 'Women draw on a different network than men and can share an alternative d efinition... Read more »

Re: OT, google.group users, is there some block function.

February 5, 2016, 11:49 pm

What you are *really* seeing is the usenet newsgroup rec.crafts.metalworking. Google imports it and presents it to you, and then sends your postings back out to the usenet around the world. You... Read more »

A very expensive solution to Iggy's problem.

February 5, 2016, 4:58 pm

http://www.digitaltrends.com/cool-tech/electroadhesion-robot/ Read more »

Sanders flunks Foreign Policy

February 5, 2016, 2:44 pm

Sanders Flunks Foreign Policy by Michael A. Cohen February 5, 2016 Boston Globe 6 hours ago If you want to know the difference between the Republican and Democratic p arties, watch (or re... Read more »

Enjoy this picture of a 4,500 HP electric motor

  [ 2 ]
February 4, 2016, 8:57 pm

It is sitting on my truck: http://igor.chudov.com/tmp/4500-hp-motor.jpg It was used to power a big blower at a coal fired electrical power station. Then it was rebuilt, then the power station w... Read more »

High Friction soft sticker type material

February 4, 2016, 8:16 am

We are making a computer programmed robot that works according to a program, that picks up various objects with a claw and places them into certain spots according to the program. The problem is t... Read more »

304 Rod Machining

  [ 2 ]
January 27, 2016, 8:22 pm

I had to machine some 3/4 304 stainless round rod last week, and it performed a little oddly. I first noticed it on the band saw when I cut the slugs to machine. They would cut with a kind of e... Read more »

lubricant for sanding aluminum

January 24, 2016, 9:23 pm

I need to do some fairly extensive grinding of aluminum on belt sander. I will be using a fairly coarse belt and would like to avoid loading the belt with aluminum. I know there is a wax type lubri... Read more »

Optical flats and lasers

January 23, 2016, 2:29 pm

In yesterday's mail was a package for me containing some canada balsam and a few optical flats. The flats weren't originally made as flats and aren't as thick as the real thing. But the surfaces o... Read more »

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The best rated discussions

Cobalt vs. Carbide End Mills rating: 5

Hello, What are people's thoughts on carbide vs. M42 cobalt end mils for mild, 1030 and 41xx? I'm using a manual mill for light work - not high speed production CNC work. My mills are all end mills ... Read more »

3-D prototyping printer? rating: 5

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 »

Cool things to do with pneumatic cylinders? rating: 5

  [ 2 ]

Hi all, Yesterday I scrounged some pneumatic cylinders free. I don't have a compressor yet, but I'm planning to get one, so can anyone think of anything cool to build with them? The cylinders are o... Read more »

Interesting article on bringing manufacturing back to America rating: 5

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 »

Anything Stronger Than Loctite 271 Threadlocker? rating: 5

I need to permanently bond together threaded male and female 316 SS rods. I use Loctite 271 Threadlocker to do it but, for complicated reasons, it is not working out very well. Do you know of any o... Read more »

Removing broken steel screws in aluminium (this time it's a siren) rating: 5

  [ 2 ]

Hi all, On Friday I had some fun. I was passing a old factory building and noticed that it was being demolished. In the past I had noticed a large siren on the building. Whether it was a factory si... Read more »

Do unused floricient bulbs go bad? rating: 5

  [ 2 ]

About 5 years ago I installed a bunch of fluorescent light fixtures in my shop. They all used the 4 foot bulbs that are rated for 34 watts. At the same time I bought a box of 10 bulbs for spares.... Read more »

jigs and fixtures rating: 5

I've finished reading Joe Martin's book, Tabletop Machining, and also The Mini Power Tool Handbook, by Taylor and Bullock. Now I'd like to read a book about how one designs jigs and fixtures in metal... Read more »

Battery Rebuilders: Primecell vs MTO? rating: 5

After reading a number of on-line reviews, I was all set to send a 1.3 Ah 12V DeWalt drill battery pack off to MTO: http://mtobattery.com/store/page2.html when I saw the recent thread praising ... Read more »

Punch and chisel gauge question rating: 5

I got a punch and chisel set from HF. With it came a gauge, a T shaped affair. At the top of the T is a notch labeled 60 degrees, that sort of makes sense. The armpits of the T have different radi... Read more »

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