mounting raspberry Pi - CNC combo

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jrdarrah
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Joined: Sun Mar 18, 2018 10:38 pm

mounting raspberry Pi - CNC combo

Post by jrdarrah » Tue Jul 16, 2019 12:37 am

I need some ideas on mounting the Pi with the cnc board attached with the supplied standoffs. With the raspberry Pi holes occupied by the screws to the standoffs, I can't figure out a way to mount it. I was thinking of something to grab the sides but still leave a air gap. How have you solved this problem?

rscamp
Posts: 1
Joined: Mon Jul 22, 2019 10:26 am

Re: mounting raspberry Pi - CNC combo

Post by rscamp » Mon Jul 22, 2019 10:46 am

jrdarrah wrote:
Tue Jul 16, 2019 12:37 am
I need some ideas on mounting the Pi with the cnc board attached with the supplied standoffs. With the raspberry Pi holes occupied by the screws to the standoffs, I can't figure out a way to mount it. I was thinking of something to grab the sides but still leave a air gap. How have you solved this problem?
The simple way to mount the boards is to use additional hardware. Instead of using the supplied screws on the underside, use longer screws and spacers. Then the PCB stack can be mounted to a plate or the base of an enclosure. I have attached a picture showing the supplied hardware replaced with longer screws and spacers.
IMG_1850.jpg
IMG_1850.jpg (460.49 KiB) Viewed 299 times
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drummin89
Posts: 2
Joined: Sun Jul 28, 2019 12:08 am

Re: mounting raspberry Pi - CNC combo

Post by drummin89 » Sun Jul 28, 2019 2:19 am

More standoffs.

By now you probably figured something out. I used the included female-female standoffs between the rpi and CNC board. I used Male-female standoffs to fasten the stacked boards to the enclosure and to maintain a little air gap on the bottom side of the rpi.

Silversworkshop
Posts: 1
Joined: Tue Aug 06, 2019 4:14 pm

Re: mounting raspberry Pi - CNC combo

Post by Silversworkshop » Tue Aug 06, 2019 4:19 pm

I've just been looking at the same challenge.

My proposed solution is to replace the screws through the Pi with ones long enough to allow spacers. The main question at this point is what the thread of the current screws is. I'm of an age where I would use 4BA but suspect these are metric?

Tony
The Silvers Workshop, Reading's Men's Shed

Bertus Kruger
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Re: mounting raspberry Pi - CNC combo

Post by Bertus Kruger » Tue Aug 06, 2019 7:38 pm

Silversworkshop wrote:
Tue Aug 06, 2019 4:19 pm
The main question at this point is what the thread of the current screws is.
They are M2.5... ;)

jrdarrah
Posts: 7
Joined: Sun Mar 18, 2018 10:38 pm

Re: mounting raspberry Pi - CNC combo

Post by jrdarrah » Tue Aug 06, 2019 10:59 pm

I found some assorted standoffs with a male and a female end. I have it so that it is raised up about 1.5". I need to make an adapter so I can mount it over a 12v fan. Thanks for the replies.

Mochanic
Posts: 25
Joined: Mon Nov 12, 2018 10:41 pm

Re: mounting raspberry Pi - CNC combo

Post by Mochanic » Thu Oct 10, 2019 4:27 pm

How about just put the whole thing into a case with cooling fans?
I've already designed a case with many different options to choose from.

viewtopic.php?f=22&t=7396
and
viewtopic.php?f=22&t=7350

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