⏣ General Metalworking

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metal to metal contact lubricant?

Hi! I am seeking the help of someone experienced with lubricants, specifically hydrocarbons such as conosol and drakeso...
1 comments posted 20yrs
posted by jazztpt99
1 comments posted 20yrs posted by jazztpt99

large aluminum discs?

I found this company that has large aluminum discs for sale- http://www.bluelakeproducts.com/aluminum_discs_large.htm Th...
4 comments posted 20yrs
posted by groundzero
4 comments posted 20yrs posted by groundzero

Slotted cylinder sealing

I was reading an article in Invention & Technology on the navy's steam driven catapults and got to wondering how they s...
10 comments posted 20yrs
posted by nospam
10 comments posted 20yrs posted by nospam

Using a corner rounding mill?

What is the best way to use a corner rounding bit. With a large radius router bit the recommendation is to bring the co...
15 comments posted 20yrs
posted by gashmore
15 comments posted 20yrs posted by gashmore

Sorting discs by weight

I'd like to sort a large quantity of disks by weight. They're 0.75" in diameter and the two type have a mass of either...
14 comments posted 20yrs
posted by DaveHinz
14 comments posted 20yrs posted by DaveHinz

Easycut bandsaw or larger ?

Hi I am into model engineering and general pottering - I like the smaller "Easycut" type of ortable bandsaw - like this...
7 comments posted 20yrs
posted by nasht
7 comments posted 20yrs posted by nasht

Hobart CyberTig 200 DCS question

I have a Hobart CyberTig 200 DC-S welder. It is a 3 phase 200 A rated SCR fired, transformer based TIG welder. I have a...
6 comments posted 20yrs
posted by ignoramus19116
6 comments posted 20yrs posted by ignoramus19116

Survivalist question

If you need to make your own ammo, including the powder, would a shotgun or a .22 be better for hunting food when all t...
25 comments posted 20yrs
posted by etpm
25 comments posted 20yrs posted by etpm

360 rings

Anyone have any idea where I can get a ring that has the 360 degrees marked on it? I need one to make a miter base. It...
8 comments posted 20yrs
posted by boozoochavez
8 comments posted 20yrs posted by boozoochavez

HELP! Anybody here familiar with BobCad Ver 20?

I need to change the scale in one axis only and cannot remember how I did it before. Everything I try doesn't work. Anyb...
2 comments posted 20yrs
posted by etpm
2 comments posted 20yrs posted by etpm

Reishauer chuck - anyone used one?

I have just bought a lathe with a Reishauer RH250 chuck on it. It is a 10 inch 3 jaw chuck. It has one pinion to drive...
0 comments posted 20yrs
posted by nic.alexander
0 comments posted 20yrs posted by nic.alexander

Homemade magnetic indicator base

Hello all: FWIW, some time ago I ordered some rare-earth ring magnets from Lee Valley: http://www.leevalley.com/hardwar...
9 comments posted 20yrs
posted by prfesser
9 comments posted 20yrs posted by prfesser

need TEFC?

Hi, For a heavy-duty grinder, do I need a TEFC motor, or will any continuous duty/farm duty (I'm guessing compressor du...
6 comments posted 20yrs
posted by barnest
6 comments posted 20yrs posted by barnest

CNC: G-Code to I/O language Converter?

Picked up a nice ISA 4 axis w/encoder stepper controller on Ebay for $5.00. It's an OMS PC38. Got the drivers from OMS,...
2 comments posted 20yrs
posted by jasonrnorth
2 comments posted 20yrs posted by jasonrnorth