My main goal this week is to finish the sketchup model of the Ironworker. This should be done by friday, and then I will blog my model, along with the calculations for it, on OSE for other engineers to double check my calculations. After this, I will generate a BOM and finish the remainder of the proposal. This will be done by the following friday, 2/3. As soon as my proposal is approved, I will order materials and begin building ASAP.
I will be checking off these goals as I complete them, with a date.
For this week, here is what still needs to be modeled and figured out:
- Punch assy, including stripper and die holder
- Vertical linkages ( 1/24 ) and main linkage
- Main Pin holder – 1/24
- Find necessary extra length of arm for optional coper-notcher attachment – 1/23
- Upper arm
- lower arm
- angle shear mechanism
- dovetail locking system for punch
- Hold down device- angle and flat
- Backstop – 1/24
- valve mounts
Where I may run into difficulties:
- Motion analysis- I may need help insuring the machine gets the full range of motion. This will involve length of vertical linkages, and hole placements for main linkage pin and cylinder pin.
- Punch assy- need to re-develop OSE concept for different dies. Difficulty will be in attaching the guide so it still allows the same or more clearance as was in the original prototype
- Pins- need to find best method of making pins which allows for greasing and still pulls together pieces
- Angle shear- it will be hard to figure a way to make this easily replicable
- Making the base- haven’t even thought about it
- hold down device- havent thought about it.