Is there a forum where random machining tips can be posted?

Question

Is there a forum where random machining tips can be posted?

flangegap (Mechanical)

(OP)

1 Jul 23 16:41

I have a few machining tips that I would like to share. Is there a forum where random tips for machinists can be posted. The forum name suggests there must be an easy forum to find.

dik (Structural) · Answer 1 · 2023-07-01 16:52:40

This forum would be a good place, I would suggest. Go for it.

-----*****-----
So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik

JohnRBaker (Mechanical) · Answer 2 · 2023-07-01 16:54:30

Have you looked at...

Machines & Machining engineering

https://www.eng-tips.com/threadminder.cfm?pid=281

John R. Baker, P.E. (ret)
Irvine, CA
Siemens PLM:

The secret of life is not finding someone to live with
It's finding someone you can't live without

LittleInch (Petroleum) · Answer 3 · 2023-07-01 16:56:58

But have a look at how many posts get made every year or month.

Some of these forums are now a bit of a backwater.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

SnTMan (Mechanical) · Answer 4 · 2023-07-01 16:59:25

Or perhaps Engineers with Hobbies, depending on the nature of your tips.

forum1528: Engineers with Hobbies

Regards,

Mike

The problem with sloppy work is that the supply FAR EXCEEDS the demand

mfgenggear (Aerospace) · Answer 5 · 2023-07-01 17:28:34

I will start , I saw a nice you tube video a guy testing bolts in shear, and tensile and recording values.

dik (Structural) · Answer 6 · 2023-07-01 18:02:09

@LI... "But have a look at how many posts get made every year or month."

How do you do that?

@STN... if related to Mech engineering... it should go here?

Thanks, Dik

-----*****-----
So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik

LittleInch (Petroleum) · Answer 7 · 2023-07-01 18:22:12

Every post in the main forum list has a last post and a start post date. You just scan down the page looking.

That forum JB noted has only 14 posts this calendar year.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

SnTMan (Mechanical) · Answer 8 · 2023-07-01 18:55:45

dik, just a suggestion, I don't much care where that subject posts.

No (lathe)dog in this fight :)

The problem with sloppy work is that the supply FAR EXCEEDS the demand

flangegap (Mechanical) · Answer 9 · 2023-07-01 20:02:01

I could not find a reply or quote button so here is a reply to the first post from dik.
"This forum would be a good place, I would suggest. Go for it."
Here is a video and image for cutting radii simulations more accurately.

Link

CWB1 (Mechanical) · Answer 10 · 2023-07-01 23:38:45

I would recommend sharing on a trade-specific forum like practicalmachinist or a Facebook group. You won't get much interaction on an engineering forum like this.

dik (Structural) · Answer 11 · 2023-07-02 01:29:02

Thanks LI... thought there was a magic number.

-----*****-----
So strange to see the singularity approaching while the entire planet is rapidly turning into a hellscape. -John Coates

-Dik

Sparweb (Aerospace) · Answer 12 · 2023-07-02 01:47:49

Flangegap,
Your forum profile says you're in the UK. It's good to find a forum that somewhat local. I live in Canada and I get good tips on supplies of materials, tools, auctions and sales in my area from local forums like the "Canadian Hobby Machinists" forum, so finding an equivalent in the UK should help you, too. Here are some others based in the USA that you may still find useful:

Practical Machinist forum
https://www.practicalmachinist.com/

Hobby Machinist forum
https://www.hobby-machinist.com/

CNC zone
https://www.cnczone.com/forums/

Artsoft/Mach4 NC coding software support
https://www.machsupport.com/forum/index.php?board=...

As others have said, you are ALWAYS welcome to post questions and tips about machine manufacturing. Especially examples like the one above. Very nice surface finish! bigglasses

Sparweb (Aerospace) · Answer 13 · 2023-07-02 01:50:44

The first vertical mill I got to use was a Bridgeport almost exactly like the one you have.
I didn't know how good I had it, then.

flangegap (Mechanical) · Answer 14 · 2023-07-02 06:21:12

I think the title of the forum does not translate to the UK term for Engineer. I believe it means train driver in the US. Whereas I assumed it was a forum for engineering tips ie. machining tips.
As you suggest, I'll look for other forums that are associated with machining metals.
Thanks for the replies.

IRstuff (Aerospace) · Answer 15 · 2023-07-03 15:50:46

Quote:
I believe it means train driver in the US.

That's one meaning, but not all of the meanings.

TTFN (ta ta for now)
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LittleInch (Petroleum) · Answer 16 · 2023-07-03 15:57:13

It's engineering as in engineering design, not manufacturing.

Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

flangegap (Mechanical) · Answer 17 · 2023-07-03 17:57:57

Reply to Dik

there is a magic number 0.5825.

When the answer is correctly posted to the above I will post another to consider; relating to measuring dovetails.

p.s. Engineering design does not exist without engineering manufacturing knowledge.

mfgenggear (Aerospace) · Answer 18 · 2023-07-03 18:24:58

flangegap

that is correct, making it them and us is a problem. it should be we as a team, working together.
while guys on the floor care about their work they don't know how run the required stress numbers, however the boys making the drawing need these guys to be able to make it correctly, if at all. just because it is drawn with a fancy 3 d model
it can be nightmare to make. we have to work together. Problem with most design and manufacturing and especially in USA,
they never build proto types to work out the bugs. it's a philosophy just build it. now that said it's not always the case.

flangegap (Mechanical) · Answer 19 · 2023-07-04 06:50:12

mfgenggear.

Yes it is an ongoing problem usually associated with staff keeping a low profile so they don't have their incompetence exposed. Often there is a philosophy where because it works it must be right. However, things can always be better, common issues I've found are:

Not using stock sizes.
Not using standard components.
Too much incorporated into one complex component.
Lack of adjustment.
Too fine tolerances - usually having the cad default to several trailing zeroes when not required.
To name but a few..

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Is there a forum where random machining tips can be posted?