For those of you who do not know, I’ve been hard at work on the design of the open source Ironworker Prototype II and plan on building it this winter at my grandfather’s fabrication shop, Enniss Inc. I’m calling out to fellow fabricators and engineers to help with the Ironworker design, so we can place the design of this very important tool into the repository of common knowledge. For those of you not familiar with the importance of an ironworker machine – it is the heart of any custom metal fabrication shop – a shop that can build any of the mechanical devices of the Global Village Construction Set.
This prototype will be the second version of the Ironworker. As well as having the 120T punch, this prototype will be able to shear 1”x12” flat and 6”x6”x1/2” angle steel. There will be a “tool cavity,” a space below the punching arm to which many accessory tools can attach. This will enable the machine to not only have the features above, but also attachments like brakes, notchers, and rod shears.
Scotchman 120T Ironworker
I had another design nearly developed using a vertical shear, but trashed it when I realized how much better it could be with optional attachments. And now, I’m stuck.
The first design version (1.0) of Prototype II
I need help designing the lower arm and flat shear. (more…)
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