[TheForge] Air Cylinder (actuators)

Mon Jan 6 11:48:01 2003

Larry-
Most guys run 2 to 2 1/2" cylinders for 50-100 lb hammers.
A 2.5" cylinder at 100psi has close to 500lbs of force, by itself!. I run a 100lb head unsing a 2.5" cyl. at 120psi. and it works WELL.
The limiting factor for most guys is the supply of compressed air. To get good performance out of either of the above configurations you need at least a two-stage five HP that'll give you ~90 psi at 18cfm
Where are you located?

Steve Howell
Seattle

-----Original Message-----
From: DragonsWatch [mailto:[email protected]]
Sent: Monday, January 06, 2003 7:24 AM
To: [email protected]
Subject: [TheForge] Air Cylinder (actuators)

I once posted that I wanted to convert a LG. to air power.  After
reading the numerous posts and looking at several home built hammers, I
have come to wonder.  How large of a air actuator is required to operate
a 50# hammer?  One I have seen, (not in operation) one that looks to
have a 2" cylinder on it.  No one was available to ask about it at the
time so I could not get details on its performance.  I'll get more info
on it later as it is at a local college I have enrolled in.
    So, if a 2" cylinder can operate the ram, will a 4" cylinder operate
the 2" cylinder?  Is there a known ratio that is required here?  Is it
written down some where accessible?

Thanks,

Larry

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