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Discussion in 'The DIY Tool Shed' started by Deneb, Mar 17, 2017.
I make a second clamping jaw:
And try on a shank.
That's ingenious, Deneb! You've got some serious skills, man, especially between the ears!
Many thank you, Roger! I will answer you with the words that belong to Golda Meir: " We had a secret weapon - no alternative."
I bought a drill bit for wood:
I fixed this a drill bit in the jig
Next up welding:
Turned 180 degrees
Next up marking for cut of a drill bit.
I sanding excess metal
I cut off the drill bit so that I have two a drill bit
Now I check it on a drilling press.
The result is this: this is a very good jig for lengthening a drill bit.
Nicely done, no sign of wobble.
Many thanks, Paul!
Yes, it works.
So clever!!!! What a great work-around, as Roger said, you have some serious skills!
Dave, many thanks to you for your high appreciation of my work!
Now this method is available for all forum member
Today I returned to work with Pin Router. I kept wondering which handwheel to use for the lifting mechanism. And then I remembered the motor that was in my reserve. Having weighed all the pros and cons, I decided to use an electric motor:
Next steps in the photo:
Approximately it will look like this:
I also installed a screw for a solid fixing in this part:
Also I made a video about the work of an electric motor:
Looks like a good speed, relatively fast, but slow enough to "bump" into perfect position. Do you plan to put limit switches on it, so it can't be accidentally run too far on the shaft?
Yes Rick, for non-professional use is acceptable variant.
I thought about it ... but I never saw it. Can you show me what limit switches I can apply in my case?
I'm thinking about 2 simple micro switches, one at the top of the screw, one at the bottom. Mount switches in brackets, so as the traveler reaches the end of the screw, it pushes the lever on the switch, opening the circuit for that direction of travel, stopping the motor. It could be run in the opposite direction, and would restore to normal operation when the lever of the switch is no longer pushed. Same operation top and bottom.
Thank you very much sir!
For this reason it has three contacts?
No, when I said "it", I meant the traveler, of the lift mechanism. In other words, the machine would be wired so that once the lift mechanism reached the maximum travel--top or bottom, and pushed the switch lever, the lift mechanism motor would not turn in that direction, but it would turn in the opposite direction, to move the traveler of the lift mechanism away from the maximum travel stop point.
Most microswitches have terminals for Normally Open, Normally Closed, and Common, which accounts for the 3 terminals.