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Old 25th November 2020, 01:52 PM   #861
Gianluca is offline Gianluca  Italy
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Location: Bologna, Italia
Yes, the slots are used by our supplier to put them in their anodizing tanks
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Old 1st December 2020, 10:43 AM   #862
ukhopeful is offline ukhopeful  United Kingdom
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Bravo Gianluca! Steel brackets on Dissipante now has M3 captive nuts instead of using self-tapping screws
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Old 21st January 2021, 07:57 PM   #863
wtnh is offline wtnh  United States
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Default Front panel grounding

I had a DUH! moment recently when I noticed that my digitally controlled preamp which I had built in a 2U Pesante was getting glitched by static; that is the Arduino microprocessor inside would sometimes go haywire when I touched the front panel (it is winter here and static is very present).

I have always bonded the baseplates and back panels of the chassis I use to AC ground for safety. However, I neglected to bother with the front aluminum panels, since I assumed - incorrectly - that the mounting screws would take care of it.

WRONG! The paint on the side panels is so good, that the screws are completely insulated and the front panel "floats".

Scraping the paint off of the back of one of the side flange holes and adding a star washer solves this, but you also need to do this at the rear of the enclosure as well. In fact, all painted (and anodized) metal parts need to be bonded to ground.

FWIW - hope this is helpful info.
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Old 21st January 2021, 08:15 PM   #864
RussellKinder is online now RussellKinder  United States
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Location: Austin, TX
Default Anodized aluminum

Very true. An anodized surface is aluminum oxide, which is definitely not conductive.
--Russell
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Wherever you go, there you are. --Buckaroo Banzai
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Old 27th January 2021, 06:48 PM   #865
yaduck9 is offline yaduck9  United States
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Location: way out there
I am changing out my F5 boards for an F6 and I find that the transformers on the F6 boards are a bit too close to the inputs and outputs mounted on the rear panel of the case.


Is it possible to order a new rear panel for a Deluxe 4U case?


Thanks for your time.


Bob D.
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Old 27th January 2021, 07:27 PM   #866
astromo is offline astromo  Australia
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Chassis Discussion
yaduck9, check the store under chassis accessories. You should be able to find what you're after.
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Old 28th January 2021, 01:53 AM   #867
yaduck9 is offline yaduck9  United States
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Thanks



The store didn't have what I needed, but I was able to source it through another vendor.



But, thanks for the quick answer.
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Old 28th January 2021, 02:07 AM   #868
Joel Wesseling is offline Joel Wesseling  Canada
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Thermal Resistance rating of the extrusions, slimline 2U, for example - Are they available?

Last edited by Joel Wesseling; 28th January 2021 at 02:10 AM.
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Old 28th January 2021, 02:51 AM   #869
brian92fs is offline brian92fs  United States
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Chassis Discussion
The heatsinks entry has the ratings. You can also visit Modushop site. They have the ratings listing in their descriptions.
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Old 28th January 2021, 11:03 AM   #870
astromo is offline astromo  Australia
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Beat me Brian. Nice work.
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