Questions tagged [mounting-holes]

Are the holes made in a PCB, in order to fixate it with screws on its chassis

34 questions
27
votes
3 answers

Mounting hole on a PCB

Here is a picture of 3 mounting holes on three different PCBs. The red one is what I prepared on Eagle CAD and used "hole" button on the left side menu , something like this: Do I need to use "via" in order to have the same style mounting hole…
Angs
  • 3,275
  • 8
  • 33
  • 54
17
votes
6 answers

Should mounting holes be plated?

When putting mounting holes for screws on a PCB, should the holes be plated or unplated? I've read plating the holes provides better support for the screw and helps prevent the PCB from being damaged, but looking at some PCBs I have around…
Nate
  • 4,496
  • 11
  • 56
  • 75
7
votes
5 answers

Why do some PCBs have these circular rings? Are they plated through hole vias?

Do they serve any mechanical purpose? Also, there are eight dots on these rings.
Winner
  • 311
  • 3
  • 7
5
votes
1 answer

Should mounting holes have solder bumps?

There are many discussions on if mounting holes should be plated or if they should include vias. This is not asking about those issues. I've seen suggestions to add solder to the annular ring on the mounting holes. This, possibly in conjunction with…
Cameron Tacklind
  • 283
  • 3
  • 11
4
votes
6 answers

What is the name of these plastic bolt type things holding the PCB to the housing?

What is the name of these plastic bolt type things holding the PCB to the housing in the corner here? Is there a way to remove them and then reattach them? I want to get at the PCB, modify it, and then reattach it, so that everything works as it…
4
votes
1 answer

Mounting a PCB with no holes

Apart from this edge mounting kit from Adafruit, what are some ways to mount a PCB that does not have mounting holes? I'm looking for non-permanent mounting solutions that take up little real-estate (visual and physical). So this excludes hot glue,…
Jet Blue
  • 1,123
  • 1
  • 17
  • 27
3
votes
2 answers

How can I securely mount this PCB to a 3D printed case?

This will be mounted to a 3D printed case that will have extra room (2x bigger than this PCB) for other accessories and cables, therefore will need to be secured to the back. I see there are holes, but I'm not sure if those are mounting holes that…
Jacob Miller
  • 161
  • 6
2
votes
1 answer

Micro USB Type B Receptacle Mounting Holes Near Pads

I noticed a few libraries, in their micro subtype b footprint designs, include round mounting holes very near (touching) the pads. In Eagle, these end up giving me dimension errors. I tried researching this on the web, but I could not find anything…
2
votes
3 answers

Drilling hole through PCB ground plane

I want to add mounting holes to a PCB. The PCB is not of my design so I can't change it. There appears to be a large ground plane in the locations that are good candidates for drilling the holes. Is it okay to drill the holes through the ground…
Jet Blue
  • 1,123
  • 1
  • 17
  • 27
1
vote
1 answer

How can I create a mounting hole in Altium exactly as shown in the figure?

How can I create a Mounting hole in Altium as exactly shown in the figure? Please note there is no silkscreen on the edge of the hole.
Nithin
  • 63
  • 4
1
vote
2 answers

How to mount daughter PCBs like HX-2S-JH20

How would you mount a PCB like the HX-2S-JH20? It doesn't have any screw holes. What about using plastic supports under the pads and ring terminals. Or maybe is better to solder it on pads on the main PCB as if it were a SMD component?
stenio
  • 319
  • 1
  • 9
1
vote
5 answers

How should I mount DB9 Connector?

How do I mount that DB9 Connector on this GPB? Any tricks?
MaNyYaCk
  • 1,448
  • 1
  • 13
  • 28
1
vote
0 answers

PCB hanging upside down in its enclosure

Would this be a problem in a moderately high vibrations / shocks environment (passenger car interior) ? The screws are 1.8 mm thread diameter, 5 mm long, the PCB being some 90 x 60 mm with nothing too heavy hanging from it and. The screws are on its…
kellogs
  • 1,044
  • 9
  • 18
1
vote
2 answers

Unable to delete circle in tDocu layer in Eagle

I am making a revision to my PCB board where the initial mounting holes were too large and therefore decreasing their size. The holes are on the Dimension layer (20) and were created using the circle tool, located near the bottom of the left column…
1
vote
1 answer

Do I need to care about mounting hole contact oxidation?

I am designing a pcb which I have some mounting hole with the function to connect the mounted screw to the PCB ground. I found good resources about this subject in the blog, like this one and this other. However, there is one point that I am still…
Luis Possatti
  • 404
  • 4
  • 11
1
2 3