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I Forge Iron

My new BIG screw press

Blacksmith Johnny

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It was made by standard machine in auburn RI. screw may be a little slow but i will have fun figureing out things to do with it.

  • Table size: 22" x 14"
  • Throat: 7-1/2"
  • Full stroke: approximately 11"
  • Stroke per one revolution: 1-3/4"
  • Shut height: 1-3/4"
  • Hole in bed: 9-1/2" x 3-1/2"
  • Bore in ram: 1-1/2"
  • Wheel diameter: 48"
  • Overall size: 39" x 36" x 75" high
  • crane said it weighs 2800post-5474-0-19869100-1326115409_thumb.jp
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Cool press should do a nice job of making steel veneer, could make pertty thick steel bowels. Make sure you have it bolted to the floor or you will go dancing. Have a lot of fun with the new toy.


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Screws can have multiple leads though common ones generally have *one*. hunt under "multiple start screw"

"Multiple-Start Thread. A multiple-start thread is one that has two or more ridges wrapped around a cylinder or cone for the total length."

What it means in practice is that the screw advances *much* faster for every rotation of the shaft. So a screw that has 3 or more leads will be a lot faster for forging hot metal than one that has only one or two leads (sort of like the difference in a fast hydraulic system and a slow one when used for forging)

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  • 5 weeks later...

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