All Questions
Tagged with pcb-assembly mechanical-assembly
11
questions
4
votes
4
answers
5k
views
Is there any difference between Silicone and RTV
I've used silicone RTV that's intended for use on PCBs and have also used 100% silicone purchased from the hardware store to use on PCBs. I was not able to tell a difference between the two. ...
- 1,048
24
votes
4
answers
11k
views
Why use kapton tape?
I have noticed a lot of electronics use kapton tape in places where a heat resistant tape isn't necessary. Why is that so? Is it just because it's a good adhesive?
- 447
1
vote
1
answer
215
views
Protecting circuit boards against shock?
Our company have been designing and manufacturing custom circuit boards for some 10 years now, and up till now by far the most common reason for board failure has been a mechanical shock - heavier SMD ...
- 121
44
votes
5
answers
14k
views
Why did Axial Capacitors Fall Out of Use in the Industry?
When inspecting the boards from electronics made in 1980s and earlier, one distinct feature is the extensive use of axial, electrolytic capacitors as power supply filter. Axial ceramic decoupling ...
- 7,218
21
votes
3
answers
8k
views
How to secure cables to a PCB
What is a good way to secure cables to a PCB?
There are some good advice in the following post, but the application is slightly different:
Securing electrical cables to holes in enclosures?
In this ...
- 429
3
votes
3
answers
566
views
PCB surface shim
We have a PCB with a detector that must be positioned at a particular height above a mounting surface. Our plastic parts are slightly undersized, so we must add some space (0.4 mm) between our PCB ...
- 428
0
votes
2
answers
127
views
How to automatically assemble lithium polymer battery?
I'm redesigning a product for automatic assembly (DFA / DFX). The current product includes a lithium polymer battery with solderable leads, very similar to this:
Right now the leads are hand-...
- 3,481
1
vote
2
answers
247
views
Suitable FFC socket for this LCD module
I've ordered this LCD module, and I'm trying to find a suitable connector for it. It's 26 pins with pitch of 0.8mm, but as you can see, the right hand side is "sticking out" of the connector. Is this ...
- 123
6
votes
2
answers
4k
views
OK to connect ring terminals directly to a PCB?
I am designing a PCB board and was wondering if there is a reason not to use ring terminals directly to a PCB. The PCB could have a pad surrounding a hole like I often see as ground connections. A ...
- 160
14
votes
2
answers
4k
views
How is this design for a basic PCB pick and place?
I have zero experience with any serious mechanical design, but out of necessity and curiosity, I'm attempting to build a pick and place machine (for my hobby projects as well as low-volume PCB ...
- 715
9
votes
2
answers
6k
views
Is there an insulation compound for exposed leads on a PCB?
The top of the enclosure I am building is going to be the PCB. The PCB has a 7-segment LCD and the leads are somewhat exposed. Is there an insulation material I can brush on or squeeze on that will ...
- 2,496