⏣ General Metalworking - Main Page

⏣ General Metalworking All aspects of working with metal.. This forums is a Web, Mobile and Social Media interface to rec.crafts.metalworking.
There are 380029 articles in 30109 discussions. See the most recent and the best rated articles in ⏣ General Metalworking

The most recent discussions

LHT-25B - Small Turret Lathe

October 18, 2021, 9:14 pm

Picked up another project. An old Taiwan made LHT-25B small turret lathe. Missing a couple covers, and not running. Previous owner was fitting a 3 phase motor, but had not finished it. If the... Read more »

Derusting muzzle loader bore

  [ 2 ]
October 8, 2021, 11:25 pm

>>cross-posted Read more »

Aluminum smelter startup

October 2, 2021, 1:50 am

How is a Hall-Herault aluminum smelting cell started up and shut down? All the descriptions and diagrams I've seen show it in steady state operation, with no hint how the electrolyte is melted i... Read more »


September 30, 2021, 8:56 pm

A few months back I picked up a gooseneck equipment trailer. It was made in a farm shop. Overall its pretty decent, but it has some issues. It was decked in what looks to me like bowling alle... Read more »

Ping Dan Caster

September 22, 2021, 2:49 pm

Someone impersonating you just fooled me into sending my phone number ... -- Snag Race only matters to racists ... Read more »

Fractal vise

September 20, 2021, 6:21 am

A glass worker called this to my attention: https://fractalvise.com/ Probably not for the railway forge shop but custom machine shop guys might like it. -- Mike Spencer Nov... Read more »

Electrical Gremlin - Actual Question

September 19, 2021, 5:31 pm

On the smallest mill I use regularly It has developed the habit of going into E-Stop when the coolant pump starts and stops. Its controlled by an HH52P 24VDC coil relay. The same model relay is... Read more »

Angle shelving uprights - too much point load?

September 17, 2021, 9:07 pm

I picked up a sturdy shelving unit (2' x 4' for now) from a local industrial liquidator; it uses perforated angle for the uprights, and will live in a residential garage. While the unit is far m... Read more »

Paper mallet mfg

  [ 2 ]
September 15, 2021, 7:28 pm

I was wondering if anyone here might remember a company that made paper mallets in the US. They're like a rawhide mallet but rolled with paper and are used on soft metals where other materials co... Read more »

Al-GMAW summary is correct?

  [ 2 ]
September 15, 2021, 8:28 am

Hello all Copy of post to sci.engr.joining.welding ... Using industrial 3-phase welding machine with Constant Voltage and Pulse, with pure Ar shielding gas and 1.2mm (47thou) 5183 wire (Al-Mg-Mn... Read more »

Click here for other recent discussions »

The best rated discussions

Repairing an old air compressor

rating: 5

I have an old Jacuzzi Bros. (this is not a hot tub compressor) that I would like to repair. This is what I know about it. It is a continuous run, 2 HP with about a 20 gal. air tank. As the compres... Read more »

Tool bit for V-Belt Pulley

rating: 5

A Few Questions: I recently made a V-belt pulley but with some difficulty because I had trouble setting up a 20 degree angle on the inside surface closest the lathe head. I suppose I could turn the p... Read more »

What do gear cutter numbers mean?

rating: 5

Folks; Sorry for pestering you but... Reading a gear cutter chart, it says a number 6 cutter will cut from 17 to 20. Does that mean 17 to 20 teeth per inch or gears needing 17 to 20 teeth no matter ... Read more »

Paint for a Wilton Vise

rating: 5

I have a Wilton vise that I'd like to repaint. The origional finish, I'll call it a hammertone sort of a blue color but with glossy, bumpy, varigated light and dark blue coating. There is no Wilton ... Read more »

Magnetic Chuck Repair Question

rating: 5

I have just obtained a 6 X 18 magnetic chuck. I think the brand is Walker, but I can't tell for sure because the nameplate is missing. The On - Off lever works hard and I was wondering if I should ... Read more »

losing colors after waxing a heat-patina on steel

rating: 5

Hi there- I'm very new to metalworking and am just finishing my first big project, a city skyline silhouetted offset from a background, all comprising sheet met al steel. To create contrast, I u... Read more »

Old Mitutoyo digimatic indicator power supply

rating: 5

This is an old indicator with glow tubes for display. http://igor.chudov.com/tmp/Mitutoyo-Digimatic-Indicator.jpg It is missing a power supply, any idea what is the voltage for it? -- Due to extr... Read more »

Putting Bridgeport head on clausing mill

rating: 5

I have seen several machines for sale that have fitted a Bridgport head (MT2 spindle) as a conversion. One machine was a clausing vertical mill with the bridgeport head. Another was adding the bridgp... Read more »

Home depot welders

rating: 5

I have a HD card 0% for six months and am looking at a welder. Not a lot of use, repairs, ladder rack fabrication, small frame fabrication (go garts mini bikes etc) any gudance or advice would be ap... Read more »

Snap-Flo vs Loc-Line

rating: 5

Is there much of a difference in the quality of Snap-Flo versus Loc-Line brand jointed coolant hose and accessories? The Snap-Flo stuff seems to be less expensive. Does it suffer in ruggedness etc. c... Read more »

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.