Search found 6734 matches

by GlennW
Wed Feb 26, 2020 5:47 pm
Forum: General Discussion
Topic: Tapping carbon fiber tubing
Replies: 4
Views: 185

Re: Tapping carbon fiber tubing

Steve S wrote:
Wed Feb 26, 2020 5:13 pm
Does carbon fiber wear tooling quickly ?
Yes.
by GlennW
Sat Feb 22, 2020 4:19 pm
Forum: Gunsmithing
Topic: 1911 Project
Replies: 43
Views: 10304

Re: 1911 Project

Back under way. (hopefuly) Too much real work and too little time lately to tinker with this...

Made a couple of tools this afternoon so I can get started fitting the barrel.

Barrel alignment tool and fitting bushing.

Image

Image
by GlennW
Tue Feb 18, 2020 4:29 pm
Forum: General Discussion
Topic: hardening and tempering
Replies: 20
Views: 791

Re: hardening and tempering

What alloy steel?

45 isn't really all that hard. Off the shelf pre-hardened 4140 is 38-42RC and is nice to work with.

How did you regulate the temps?
by GlennW
Sat Feb 15, 2020 9:03 am
Forum: General Discussion
Topic: Parting tool holder
Replies: 34
Views: 1510

Re: Parting tool holder

I have a pile of GTN2 parting inserts. I had a toolholder like this: gtnB.jpg but the problem is that the lower portion is not well supported and it actually snapped off. Tool was cutting great - right until it wasn't cutting at all. I don't get why they just don't make the underside larger - it's ...
by GlennW
Sat Feb 15, 2020 8:59 am
Forum: General Discussion
Topic: trimming a groove-tool holder
Replies: 6
Views: 503

Re: trimming a groove-tool holder

Shouldn't be a problem for you to mill it down.

I've done similar to a couple and have found them to be right around 50 RC hardness on ones I've tested.
by GlennW
Wed Feb 12, 2020 6:09 pm
Forum: General Discussion
Topic: First time using super glue chuck
Replies: 72
Views: 5899

Re: First time using super glue chuck

Here is the link to what Harold is referring to.

https://www.chaski.org/homemachinist/vi ... =engraving
by GlennW
Sun Feb 09, 2020 12:19 pm
Forum: General Discussion
Topic: First time using super glue chuck
Replies: 72
Views: 5899

Re: First time using super glue chuck

These are the parts Mr Ron is referring to.

https://www.chaski.org/homemachinist/vi ... 4&t=109009
by GlennW
Sat Feb 08, 2020 10:17 am
Forum: Lathes
Topic: Runout Wobble on the Chuck?
Replies: 27
Views: 1509

Re: Runout Wobble on the Chuck?

You can hear the difference in the cut when comparing a three jaw chuck and a 5C collet when cutting small diameter stock. The 5C has full support of the stock.
by GlennW
Mon Feb 03, 2020 4:01 pm
Forum: Welding
Topic: AlphaTIG 200x
Replies: 9
Views: 1399

Re: AlphaTIG 200x

Looks like a new one.

Nice score!
by GlennW
Fri Jan 31, 2020 1:08 pm
Forum: Welding
Topic: AlphaTIG 200x
Replies: 9
Views: 1399

Re: AlphaTIG 200x

ctwo wrote:
Fri Jan 31, 2020 11:44 am
I admit, all those knobs scare me. Why are there like 32 knobs on that thing?
I remember thinking that very same thing when Steve posted a pic of his. :D (I still use my 45+ year old Miller transformer based TIG)
by GlennW
Mon Jan 27, 2020 7:54 am
Forum: The Photo Album
Topic: One man's insanity---the story of an induction furnace
Replies: 109
Views: 39153

Re: One man's insanity---the story of an induction furnace

Congratulations to all involved in this project!

That is quite an accomplishment!

I too am beginning to realize that the ratio of time to projects isn't as favorable as it once seemed...
by GlennW
Thu Jan 16, 2020 5:54 pm
Forum: The Photo Album
Topic: Amazing machine work
Replies: 48
Views: 11749

Re: Amazing machine work

About half way through the engine runs. All's perfect so far.

DSC02306.jpg
It looks a lot smaller once it's packed in there...

Propeller diameter is 11' 2".