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Questions tagged [connections]

The tag has no usage guidance.

1
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6answers
154 views

How to create an airtight connection between Stainless Steel and PTFE?

I have these two parts shown below, the bottom cylindrical part is stainless steel, the rectangular upper piece is PTFE (Teflon). The SS prongs from the lower part need to insert into the holes of the ...
1
vote
2answers
73 views

I have an unidentified press-fit nut that I need to reproduce, can anyone tell me how to find this?

I received these fittings as part of a package, but now we need more of them. Can anyone identify this assembly, or even better help me learn how to recreate it? My coworkers and I are stumped. ...
2
votes
1answer
39 views

Do nylon and rubber bushes usually come in sizes between steel pipe sizes?

I'm in Cambodia where I don't speak the lingo and I'm hoping to do a little DIY project. If I were to buy two different off the shelf steel tubes am I right in thinking that the most common nylon and ...
0
votes
0answers
31 views

Can Swagelok SS ferrule be reused?

At times, the Swagelok SS Ferrules gets crimped tight into the SS pipe. In those cases, can these ferrules be forcefully removed and reused? Or was this a result of faulty installation?
0
votes
1answer
34 views

Connecting gypsum plaster pieces without space between them

I would like to know more about how to connect pieces of gypsum plaster effectively, without space between them. I have a few pieces of gypsum plaster (around 10 mm thickness, 20 cm width, 30 cm ...
0
votes
1answer
338 views

Why are the support reactions of the two pin-connected members different?

Can someone please explain why the support at C does not have a vertical reaction force while the support at E has? Doesn't the support at C have the same kind of pin connection as the support at E?
1
vote
1answer
60 views

Isn't a pin support supposed to prevent translation both horizontally and vertically?

I know that pins prevent horizontal and vertical translation and that rollers prevent only the vertical one. Therefore, what I do not understand here is that while the support at B reacts with two ...
1
vote
0answers
133 views

Designing a pin connection

I am designing a pipe strut connected to a UB waler using a 100mm diameter pin through a series of 8 interlocking plates. Each plate is about 40mm thick. To be able to weld the plates to the waler and ...
0
votes
2answers
61 views

Name or type of these connectors

How are these springed ball connectors called? Can not find them without right name.
1
vote
1answer
131 views

Connection for beam very close to concrete wall

The following picture is pretty self-explanatory. I need a connection for a beam that is coming in very close to a concrete wall edge (north/south beam in picture). The embedded plate with nelson ...