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Re: Droid build log

Posted on 2023-02-24, 22:13

in Milliways
It will indeed. One of the problems is that here in Latvia, there isn't much of a DIY culture. Not in a sense that people don't make things on their own, quite the opposite - people here are handy with anything from a hammer all the way to a TIG welder. But there isn't much in the way of what you …

Re: Droid build log

Posted on 2023-02-24, 21:27

in Milliways
@chrismeyer6 Thanks! It takes a lot of time, which I rarely have, so progress is quite a bit slower than I'd like it to be. But it's there, and I won't be stopping.

Re: Droid build log

Posted on 2023-02-23, 20:21

in Milliways
Here is the main body frame with the back parts installed... https://i.imgur.com/L0mFIGa.jpg Front is going to be done much later, when I know the configuration for the arm. As for the neck... well, here it is: https://i.imgur.com/Xs5LZSl.jpg Again, some more work needs to be done on it to "finalize …

Re: Droid build log

Posted on 2023-02-11, 11:06

in Milliways
Rotational sensor installed, neck assembly on a test stand. If time permits, a few more cuts on a miter saw, and full body can be finally assembled, with the neck and all the rest.

Re: Droid build log

Posted on 2022-12-11, 10:12

in Milliways
After a bit of a break (they seem to happen all the time, don't they?), managed to do some more work on the neck assembly. Installed a gearbox (literally, a box to cover the gears), attached the sliding contact to it, and, finally greased and fully assembled the neck mechanism. https://i.imgur.com/ …

Re: Droid build log

Posted on 2022-10-31, 19:43

in Milliways
Some initial work on the neck assembly. Motor and transmission installed, but a box is needed to cover the transmission and keep the lubricant inside (will order tomorrow). A rotation sensor will also be installed below. https://i.imgur.com/y3fn7yi.jpg After that, I need to attach it to the inner …

Re: Droid build log

Posted on 2022-10-30, 15:51

in Milliways
As always, it takes a long time to get back to this project. Well, here's a bit of progress. I've long had the main axis shipped to me. It's both the "shoulders" for the front legs, and the "backbone" for the neck. Alas, it's not exactly 20mm. Or, well, it wasn't. 20.2 to be precise. 20.2 of …

Re: Droid build log

Posted on 2022-09-14, 12:31

in Milliways
Made some progress with Hall sensor-based speedometer. The magnet is on the free-moving axle, and the sensor provides actual movement speed of that bogey. Unfortunately, using a 12 pole magnet (and that's actually a rather costly choice, more often there are cheaper, lesser pole count magnets) means …

Re: Droid build log

Posted on 2022-09-10, 10:05

in Milliways
Well, about time I put a pic or two. Here's the cage, still not complete (and the bar connecting the rear of the frame is temporary - those vertical semi-round bars will get cut at an angle later, and the bar connecting them will be a 2020 one). But it gives me enough strength to mount other things …

Re: Droid build log

Posted on 2022-09-02, 11:03

in Milliways
Now, I'm aware it's been a looooooong time since the last post. There are some good reasons behind that. For one, I've had a terrific summer with an actual, real (yay, these things exist!) vacation. Even managed to get a tan - as much as vampiric me can get it before becoming all red and unhappy. …

Re: Droid build log

Posted on 2022-05-01, 17:06

in Milliways
Finally got around to replacing the bearing. Had to disassemble pretty much the entire thing. https://i.imgur.com/hzQs2AD.jpg That bottom metal case is the reducer. To get at it, the motor has to be taken off, and all the wires disconnected. Unfortunately, working on that reducer and keeping hands …

Re: Droid build log

Posted on 2022-04-04, 11:22

in Milliways
I've done some work on the front legs, but to continue I need to do some milling. Now, I've tried it on the drill press, and it works fine enough. However, I still need to install the precise bearings, as the play is currently way out of any spec, and they are still being shipped. So another delay …

Re: Droid build log

Posted on 2022-03-21, 17:59

in Milliways
The drill press is here. Naturally, I've decided to leave it for a while to immediately assemble the thing. It didn't arrive alone, however. The cross table also came in the same car, so here they both are. https://i.imgur.com/nzoEFTS.jpg Let's unpack the table first. https://i.imgur.com/Z0KUt0Z.jpg …

Re: Droid build log

Posted on 2022-03-17, 14:44

in Milliways
@badmojo Ordered the drill press, a cross table, bearings and a few other parts. Will probably receive most of it when I return from a trip next week. In any case, for now all I can do is wait, and worry about other things. Will post some pics when I'm done setting things up.

Re: Droid build log

Posted on 2022-03-11, 11:46

in Milliways
@badmojo For now the plan is just to build it and let it drive around. Ultimately I want it to be semi-autonomous, with two modes of operation: remote control and follow voice commands. The extent of what kind of commands will be implemented depends heavily on how well I manage to make it all work. …

Re: Droid build log

Posted on 2022-03-11, 07:01

in Milliways
@badmojo I think the scrooge in me has won over. I'm getting the Bosch and fixing all its flaws. I really can't justify paying ~5k for an entry level Flott which I'm not likely to make full use of (other than precision). There is also an option of getting an old USSR drill press and restoring it - …

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