⏣ General Metalworking

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Interrupted lathe cuts -- Technique?

I'm using manual Sherline lathe and have never been comfortable with turning down rectangular stock. Now I need to turn...
5 comments posted 20yrs
posted by eidolon1
5 comments posted 20yrs posted by eidolon1

Hydraulic valve question

Here's a hydraulic valve that I have, I am not sure what it does. http://yabe.algebra.com/~ichudov/misc/ebay/HydraulicV...
13 comments posted 20yrs
posted by ignoramus23035
13 comments posted 20yrs posted by ignoramus23035

Flattening 1/4" Steel Plate?

I just picked up a used DiAcro 12" shear. It's in pretty good condition, with a little surface rust. The one thing that...
5 comments posted 20yrs
posted by gwhite
5 comments posted 20yrs posted by gwhite

old Victor torch tip nomenclature

Sometime in the last few years Victor has changed the way they describe torch tips. They used to have a "type" system e...
3 comments posted 20yrs
posted by grant
3 comments posted 20yrs posted by grant

shipping responsibility question

I know a lot of you have dealt w/ Ebay and such so just posing this question: I bought some casters from Ebay. A set of...
74 comments posted 20yrs
posted by cyberzl1
74 comments posted 20yrs posted by cyberzl1

Peters Half-Scale "Nanzy" Engine

Is there anyone on the NG that has built this engine? I just bought a casting set for it and found the prints somewhat...
0 comments posted 20yrs
posted by smulholl
0 comments posted 20yrs posted by smulholl

Problem with Bridgeport backgear

Not really sure what model the mill is but from what I've read it is a 2J head. The problem is the backgear won't engag...
6 comments posted 20yrs
posted by steve
6 comments posted 20yrs posted by steve

which tool steel

Those of you that follow this NG closely may know I grow apples for a living... I use the "Limb Lopper" brand pruner to...
32 comments posted 20yrs
posted by karltownsend.NOT
32 comments posted 20yrs posted by karltownsend.NOT

star lathe still working on it

hey, like two months ago i posted messages asking for info about a seneca falls star lathe i acquired. i'm still workin...
2 comments posted 20yrs
posted by wwixon
2 comments posted 20yrs posted by wwixon

What's the strongest gap-filling glue?

Background: a brittle white metal casting (probably some relative of Zamac) broke and the break's not clean. There are...
18 comments posted 20yrs
posted by ndrez
18 comments posted 20yrs posted by ndrez

Square profile threads

Hello, I have a job where I need square profile threads on a large nut or inside of a pipe would do. The threads are ge...
4 comments posted 20yrs
posted by 4621vol
4 comments posted 20yrs posted by 4621vol

Copper and Zinc Spheres

Does anyone know where I could purchase a copper and zinx sphere (preferably hollow), about the size of tennis balls? Si...
14 comments posted 20yrs
posted by johnj
14 comments posted 20yrs posted by johnj

Fine or coarse thread in cast iron?

My 17" Drill Press has a slope between quill assembly and casting. As someone suggested I can drill and tap a couple of...
5 comments posted 20yrs
posted by alexkuzn
5 comments posted 20yrs posted by alexkuzn