Chief Delphi - cRIO body material?

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ferret_guy

19-04-2013 16:58

cRIO body material?

My friend and I are trying to settle an argument:

Is the grey body of the FRC cRIO II made out of plastic or metal?

We don't currently have access to ours and can't find anything online that mentions the material out of which it is made.

Al Skierkiewicz

19-04-2013 17:05

Re: cRIO body material?

The body is aluminum as I remember. The cRio is meant for industrial applications and the case is tied to the negative lead of the power connector to minimize interference in industrial applications.

IndySam

19-04-2013 17:05

Re: cRIO body material?

I believe it's cast magnesium.

ablatner

19-04-2013 17:15

Re: cRIO body material?

I thought it was cast iron.

crake

19-04-2013 17:25

Re: cRIO body material?

Its powder-coated metallic gray over a heart of awesomeness.

...

and aluminum.

CENTURION

19-04-2013 18:14

Re: cRIO body material?

Quote:

Originally Posted by ablatner (Post 1264895)

I thought it was cast iron.

It's definitely too light for iron.

It's either cast aluminum or magnesium. Al says aluminum, and I'm inclined to agree. I don't think it's quite light enough to be magnesium.

s1900ahon

19-04-2013 19:07

Re: cRIO body material?

No need to speculate further.. thanks Chris.

Alan Anderson

19-04-2013 20:45

Re: cRIO body material?

Quote:

Originally Posted by crake (Post 1264900)

and aluminum.

This is the first time I've heard anyone who should know say it was anything other than a magnesium alloy. It's definitely lighter than I'd expect for aluminum. I find it strange that the chassis material doesn't seem to be mentioned on any of the data sheets for the cRIO that are on the NI web site.

Calvin Hartley

19-04-2013 21:06

Re: cRIO body material?

I think it's a Duct-tape/zip-tie alloy.

jdaming

19-04-2013 21:09

Re: cRIO body material?

I thought it was aluminum too. Here is a KB (knowledgebase) that backs it up

http://digital.ni.com/public.nsf/all...257346007CB77A

Gregor

19-04-2013 22:12

Re: cRIO body material?

Quote:

Originally Posted by Calvin Hartley (Post 1265002)

I think it's a Duct-tape/zip-tie alloy.

I think you are mixing up what its made of and how you attach it. :cool:

crake

19-04-2013 22:55

Re: cRIO body material?

Quote:

Originally Posted by Alan Anderson (Post 1264991)

This is the first time I've heard anyone who should know say it was anything other than a magnesium alloy.

Well technically it is an aluminum alloy. Talking with the ME's today on the cRIO team, I confirmed its something like 90% aluminum plus various metals needed to help with flow during casting.

Interestingly, a magnesium alloy was looked into during the early days but ultimately was not selected.

DELurker

20-04-2013 10:01

Re: cRIO body material?

Quote:

Originally Posted by crake (Post 1265061)

Interestingly, a magnesium alloy was looked into during the early days but ultimately was not selected.

I would think a magnesium alloy would be contraindicated for an device intended for an industrial environment. Fires that don't go out ever are really annoying.

CENTURION

20-04-2013 12:01

Re: cRIO body material?

Quote:

Originally Posted by DELurker (Post 1265185)

I would think a magnesium alloy would be contraindicated for an device intended for an industrial environment. Fires that don't go out ever are really annoying.

Well, magnesium doesn't really burn much when in a solid block form like that IIRC.

Interestingly enough, one of those major alloying elements in aluminum that is used for diecasting is magnesium. A380 (the most common aluminum for diecasting) contains 0.1% magnesium.

PAR_WIG1350

20-04-2013 12:09

Re: cRIO body material?

Quote:

Originally Posted by DELurker (Post 1265185)

I would think a magnesium alloy would be contraindicated for an device intended for an industrial environment. Fires that don't go out ever are really annoying.

FWIW, this reduces that issue.

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