Search found 7200 matches

by GlennW
Thu Nov 16, 2023 5:27 pm
Forum: Lathes
Topic: 10L Spindle Lock drawing
Replies: 12
Views: 4185

Re: 10L Spindle Lock drawing

by GlennW
Wed Nov 15, 2023 3:01 pm
Forum: Lathes
Topic: Boring for Chuck Jaws?
Replies: 25
Views: 29062

Re: Boring for Chuck Jaws?

When doing small diameter work, and I'm too lazy to install the 5C collet closer for one part, I use an ER16 chuck held in the lathe chuck.
It is much better way to hold small parts. Especially with a worn chuck.
ER16 resized.jpg
ER16 resized.jpg (90.91 KiB) Viewed 14796 times
by GlennW
Wed Nov 15, 2023 1:20 pm
Forum: General Discussion
Topic: Foundry flasks
Replies: 26
Views: 16895

Re: Foundry flasks

I too am old enough (unfortunately) to have done foundry work (aluminum casting) in High School metal shop class.
by GlennW
Wed Nov 15, 2023 10:01 am
Forum: General Discussion
Topic: Foundry flasks
Replies: 26
Views: 16895

Re: Foundry flasks

Those are going to be some mighty nice flasks!

Nice to see your Haas getting exercised.
by GlennW
Wed Nov 15, 2023 9:50 am
Forum: General Discussion
Topic: Foundry flasks
Replies: 26
Views: 16895

Re: Foundry flasks

You just need a glossary of foundry terms! https://www.sfsa.org/subject-areas/education/glossary/ Simple translation: Flask=Box Cope= top half of "box" Drag= lower half of "box" The stuff I work on actually has a published glossary for American to British terms. Hence the term &q...
by GlennW
Tue Oct 31, 2023 5:18 pm
Forum: Buy, Sell, Trade, Wanted, Free!
Topic: Vintage Lapping Plate 12” x 18” x 4” Surface Plate Cast Iron Machinist Tool Maker Precision
Replies: 10
Views: 12796

Re: Vintage Steel Lapping Plate 12” x 18” x 4” Surface Plate Cast Iron Machinist Tool Maker Precision

My 12 x 18 blocks are the same configuration as below, so I used the same procedure lapping them together, for about half a day... Somehow I remember doing that, as they are a bit heavy to work with! Not claiming that this is the definitive proper way, just what I had a reference to after making the...
by GlennW
Tue Oct 31, 2023 4:58 am
Forum: Buy, Sell, Trade, Wanted, Free!
Topic: Vintage Lapping Plate 12” x 18” x 4” Surface Plate Cast Iron Machinist Tool Maker Precision
Replies: 10
Views: 12796

Re: Vintage Steel Lapping Plate 12” x 18” x 4” Surface Plate Cast Iron Machinist Tool Maker Precision

One of mine (12 x 18 plates) is double sided.

Two plates, three surfaces.

Actually, mine have three grooved surfaces and a non grooved flat surface.
by GlennW
Fri Oct 27, 2023 6:19 am
Forum: General Discussion
Topic: Simple Spacer vs Super Spacer VS Dividing Head vs Rotary table
Replies: 9
Views: 4157

Re: Simple Spacer vs Super Spacer VS Dividing Head vs Rotary table

Don't forget the 5C horizontal or vertical indexer.
5C Indexer.jpg
5C Indexer.jpg (37.02 KiB) Viewed 4100 times
by GlennW
Sun Oct 22, 2023 12:56 pm
Forum: General Discussion
Topic: cutting the column on a drill press - how much to cut?
Replies: 57
Views: 18417

Re: cutting the column on a drill press - how much to cut?

Be aware that side loading a tapered spindle mount isn't advisable. It will eventually come loose at the most inopportune time.
by GlennW
Sun Oct 15, 2023 6:51 am
Forum: General Discussion
Topic: First attempt at watch making
Replies: 18
Views: 4215

Re: First attempt at watch making

I cheat! I use a stainless cutting oil in the flood system on my lathe. 304 likes that as does pre-hard 4140.

RSG's work is always incredible, from the design to the execution.
by GlennW
Sat Oct 14, 2023 4:25 pm
Forum: General Discussion
Topic: First attempt at watch making
Replies: 18
Views: 4215

Re: First attempt at watch making

Harold_V wrote: Sat Oct 14, 2023 3:14 pm There are other methods of passivation.
Probably a year or two ago I ran across a site from a chemical company that sold a citric acid based product for passivating stainless that looked interesting.

I switched to 304 and haven't seen any rust since. Nicer finish as well.