Main Page | Report Page

 

  Science Forum Index » Materials Forum » Worm gear material

Author Message
colenum
Posted: Wed Feb 16, 2005 3:25 am
 
Does anyone know the chemical composition and mechanical properties of
Rd65 VL22 Copper alloy. Or where I could get it from. Also the
Standard from which this material comes from would be useful.

I have searched the internet and am unable to find its specification.

Thanks,

Martin
 
CWatters
Posted: Wed Feb 16, 2005 11:01 am
 
"N:dlzc D:aol T:com (dlzc)" <N: dlzc1 D:cox T:net@nospam.com> wrote in
message news:xNIQd.69767$Yu.39955@fed1read01...
[quote:e4b141e66e]Dear CWatters:

"CWatters" <colin.watters@pandoraBOX.be> wrote in message
news:n7EQd.12881$vM2.917609@phobos.telenet-ops.be...

all I could google was...

http://www.morat.com/US/sch_rad/info.html

"Materials - The worms are case-hardened; the bore and worm flanks are
ground. Standard worm gears are made from VL22, a copper-zinc alloy
with
aluminium, silicon and manganese additives."

Copper and zinc make brass. You did a lot better than I did. I could
find
no listing of anything useful on google with the information supplied.
Good work!
[/quote:e4b141e66e]
I guessed that the Rd65 part might refer to the percentage of Copper (or
something like that) and deleted it from the search. eg

http://www.google.com/search?hl=en&q=VL22+Copper+alloy
 
N:dlzc D:aol T:com (dlzc)
Posted: Wed Feb 16, 2005 11:27 pm
 
Dear operator jay:

"operator jay" <none@none.none> wrote in message
news:kGUQd.22864$Ka6.156914@news1.mts.net...
....
[quote:1a10cb5fbc]I thought 9 copper : 1 tin was brass. And that 1 copper : 9 tin was
bronze.
[/quote:1a10cb5fbc]
No. Copper-zinc alloy is brass, in "any" proportion. Don't use brass in
vacuum, as zinc has a vapor pressure.
Copper-tin alloy is bronze.

[quote:1a10cb5fbc]I saw some mention
of pewter with this kind of ratio. To the OP's question, I didn't even
know
that worms had gears.
[/quote:1a10cb5fbc]
Mechanical ones do!

David A. Smith
 
Lefty
Posted: Wed Feb 16, 2005 11:33 pm
 
[quote:1f136be892]Does anyone know the chemical composition and mechanical properties of
Rd65 VL22 Copper alloy. Or where I could get it from. Also the
Standard from which this material comes from would be useful.

I have searched the internet and am unable to find its specification.

Thanks,

Martin

You are possibly mistaken in thinking this designates a
copper/brass/bronze alloy.

Accordingly, you could go with an engineering approach:
what material would I like for a worm?
A phosphor bronze, likely

Brian Whatcott Altus OK
[/quote:1f136be892]
I dont think that "Rd65 VL22 Copper alloy" is an ASTM designation. This
could be a trade name or part number. Not sure.

I would try to find some worm gear manufacturers online and see which alloys
they use. I'm betting it's ChromeVanadium Steel.

If it's a copper alloy, it might be an Aluminum Bronze, which is frequently
used for gears.
 
CWatters
Posted: Thu Feb 17, 2005 4:03 am
 
"--" <dehoberg@comcast.com> wrote in message
news:wuOdnQF9UIAtoInfRVn-ow@comcast.com...

[quote:f829d1994a]4) If you had a CDA (Copper development Association) number for the alloy,
the alloy that was registered by the manufacturer to get a number, it
would
help a lot.
[/quote:f829d1994a]
The only reference on the web I could is this company....

http://www.morat-kg.com/e/sch_rad/index.html

http://www.morat-kg.com/e/sch_rad/indexinfo.html

Quote: "Standard worm gears are made from VL22, a copper-zinc alloy with
aluminium, silicon and manganese additives"
 
 
Page 1 of 1    
All times are GMT - 5 Hours
The time now is Sat Aug 30, 2014 11:43 am