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Picked up this old Walsh Screw Press a while back

Bell47

Plastic
Joined
Aug 18, 2018
Bought this at a auction when nobody else wanted it lol
 

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From the heavy wheel rim and the two handles projecting downward from it I would say you bought a Fly Press. An extremely coarse thread would confirm that.
 
Looks good congrats:cheers:
Could be a fly press or just a screw press. Can you show pics of the threadded screw? Does the ram/screw stay up by itself or does it spin down on it own? Both have advantages.
 
here is a better photo of the Walsh Press

I hope this helps
 

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That helps. It looks like the screw is holding up the upper platen. This makes it a screw press instead of a fly press and you can use it to clamp things and hold them (like a giant c-clamp) Where a fly press would be more of blend between pressing and hitting due to the fast advance of the ram. This makes fly press good for forging metal. Fly press can not hold pressure like yours can.
 
But the handles and apparent twin pitch lead of the thread are confusing. Increased pitch reduces power, while speeding up travel.
Screw press also good for straightening, with advance easier to monitor than rack and pinion or hydraulics.
This is how precision barrels are straightened, but screw is from below. The barrel maker looks down the bore 'aimed' at a wire hanging in front near a window or front light. Laid in vee blocks and rotated, the narrow, defined shadow points out ANY deviation from straight; whether curve or kink.
 








 
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