[TheForge] Hammer/anvil ratio

[Mark and Sylvia Mondloch]

When I built my hammer I used a 6.5" round. I was able to find a piece of 
plate about 3.5" thick from a press bed. Weighs 1500 pounds.Used that for 
the hammer base.Used 85 pounds for the hammer.Been using it every day for 
over 5 years and it works great. Air cylinder is 3.25".
mondloch at silvercreekpottery.com
www.silvercreekpottery.com
----- Original Message ----- 
From: "Todd Rich" <torin at panix.com>
To: <theforge at mailman.qth.net>
Sent: Monday, November 12, 2007 3:22 PM
Subject: [TheForge] Hammer/anvil ratio


>
> Well, I'm getting closer to the time I need to put my Kinyon style hammer 
> together.  I 'should' be getting 3-phase power installed to run the 
> compressor before the end of the year.  The compressor looks like it only 
> needs a new air filter and a gasket set, and oil change.
>
> Given that I'm looking at about at least 50 CFM @ 175psi output from the 
> compressor, a 3 1/2" air cylinder, and I've got about 300#s of 6.5" round 
> to use for the anvil, how heavy can I make the hammer before I start 
> running into diminishing returns?  I know that is should have about a 10:1 
> ratio, but that would leave me with only a 30# hammer, which seems a waste 
> given my power supply.  I'd like to be able to work up to 2" square and 
> round.
>
> Are there ways of increasing the weight of the anvil that work well?  I 
> can weld and fill rods onto the anvil and base if that is a viable option.
>
> I'm looking for some guidance and suggestions.
>
> Thanks!
>
>  Todd
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