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Posted by Ashton Crusher on October 12, 2009, 9:54 pm
My old Monkey Wards 2 piston, single stage, 6 gallon (guessing), 1 hp,
120V air compressor runs as hot as 180 degrees on the cylinder head
when I'm using it a lot. Is that a normal temperature for this kind
of compressor?
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Posted by Ed Pawlowski on October 12, 2009, 10:10 pm
> My old Monkey Wards 2 piston, single stage, 6 gallon (guessing), 1 hp,
> 120V air compressor runs as hot as 180 degrees on the cylinder head
> when I'm using it a lot. Is that a normal temperature for this kind
> of compressor?
Yes. Compressing air heats it up. Many industrial compressors are water
cooled and then the air goes through a chiller to remove the moisture. Our
150 hp at work will have cooling water temperatures up to 120, air
temperatures over 250.
Be sure you have enough oil in the machine as that aids in cooling.
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Posted by Nate Nagel on October 12, 2009, 10:25 pm
Ashton Crusher wrote:
> My old Monkey Wards 2 piston, single stage, 6 gallon (guessing), 1 hp,
> 120V air compressor runs as hot as 180 degrees on the cylinder head
> when I'm using it a lot. Is that a normal temperature for this kind
> of compressor?
well, pv=nrt so it will get quite hot simply through adiabatic
compression alone. If you know the compression ratio of the cylinders,
you can calculate the theoretical pressure of the fully compressed air
with the piston at the top of the stroke. Obviously it shouldn't get
any hotter than that, and likely will stabilize at a lower temperature
due to the cooling fins radiating some of the heat to the atmosphere.
That said, that does seem a little warm; your average compressor will
get "hot" but I don't recall using any where it was significantly warmer
than, say, domestic hot water even after heavy use, but then again I
don't recall using any smaller than your typical roll-around 20 gallon
or so jobs.
nate
--
replace "roosters" with "cox" to reply.
http://members.cox.net/njnagel
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Posted by Red Green on October 12, 2009, 10:57 pm
> My old Monkey Wards 2 piston, single stage, 6 gallon (guessing), 1 hp,
> 120V air compressor runs as hot as 180 degrees on the cylinder head
> when I'm using it a lot. Is that a normal temperature for this kind
> of compressor?
> when I'm using it a lot.
If you run it a lot higher than the rated duty cycle it's gonna be
abnormally hot I would think.
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Posted by fftt on October 13, 2009, 2:42 am
> My old Monkey Wards 2 piston, single stage, 6 gallon (guessing), 1 hp,
> 120V air compressor runs as hot as 180 degrees on the cylinder head
> when I'm using it a lot. =A0Is that a normal temperature for this kind
> of compressor?
the important question is "duty cycle"........
how much "on" time? how much "off" time?
180 is hot but if you're working this puppy hard, its to be expected
either use less air (cfm's) or set up a fan to help cool it
cheers
Bob
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> 120V air compressor runs as hot as 180 degrees on the cylinder head
> when I'm using it a lot. Is that a normal temperature for this kind
> of compressor?