Reply To: Stationary hand drill press – how does it work?
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It looks as if the outer cog assembly drives the chuck for turning the bit.
The inner assembly is more complicated. It looks as if the two inner cogs that are at right angles to each other (perpendicular) would drive the upper part of the shaft and therefore push the shaft down into the work.
The square-headed bolt may simply lock the mechanism in place. Or, it may adjust tension as the shaft turns. The flat knob (that protrudes in the SouthEast direction) and ends inside as a threaded bolt, may either be the real locking mechanism, or it may somehow be involved in driving the shaft down.
My next step would be a thorough cleaning to make sure nothing is jamming the tool, and to improve visibility. You’ll have to do it anyway.
Then, taking pictures as you go, and making notes, take the thing apart slowly. This is worth a few hundred US dollars and worth the effort. Also, you may find images of manually operated drill presses via Google Images. Also, I’ve seen people show off these tools on forums such as lumberjocks.com. Definitely an unplugged shop asset if you can get it working.
Be patient. It took me over two years to find out that a tool from my grandfather’s tool chest is a saw tooth set.
Here’s the Google search. Please feel free to loses sleep tonight 😉
- This reply was modified 7 years, 10 months ago by jeffpolaski.
- This reply was modified 7 years, 10 months ago by jeffpolaski. Reason: Trying to get the URL link to work