4
votes
Accepted
Do there exist compression ring springs?
It depends how much it needs to open/stretch.
External circlips/retaining rings spring to mind - they're normally installed into a groove, but don't always have to be. Getting them out of a groove (...
- 6,899
4
votes
Accepted
Is gold casting under pressure or not?
From a purely physical point of view, being "under pressure" means having a force applied to you. Our atmosphere is constantly applying a force on us from all sides, so objectively speaking ...
Elmy♦
- 13.5k
3
votes
Is gold casting under pressure or not?
As @Elmy correctly suggested, I asked them directly. This is their response.
Thanks for the question.
With our vacuum casting machines, the melting and casting process are
done within one large ...
- 247
2
votes
Accepted
External loads on gold jewelry
There is an industry standard, ASTM F2999-19, but it's focus is determining safety (mechanical hazards and material toxicity).
Here you can find a study comparing the wear resistance between platinum ...
- 11.4k
1
vote
What is the style called?
I finally found it!! It is called "steampunk".
Here is a picture of a lighter, where the complexity of the design does not justify the purpose, but is stunningly beautiful.
- 1,846
1
vote
How to remove the finish from a stainless steel/titanium ring?
I'd start with a 0000 steel wool. If you don't get the results you want I'd go to a 000 and then a 00.
Sandpaper feels like a last resort. Sandpaper will start to bite into the metal and soften the ...
- 446
1
vote
Is gold casting under pressure or not?
Not a simple answer because a few processes are used. A major factor is the high density of gold ;
liquid gold pushes in to all volumes.
liquid gold pushes any gases into porous mold material leaving ...
- 1,245
Only top scored, non community-wiki answers of a minimum length are eligible