Messages

331

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 01:00:12 PM »

Wonder if we can make this as the next stage:

http://www.youtube.com/watch?v=FpP7iTKuWpw



Dan

332

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 12:54:24 PM »

Terry, I think I confused you again. I was not using the flat length (chord length), but rather the distance across the flats - what you actually measure with a caliper across flats. You can call it the inscribed circle diameter otherwise.

Dan

333

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 11:48:14 AM »

Thanks Terry. Reason I did it with the distance across flats is that usually that would be the known parameter as dictated by standard wrench sizes. I can see though where the shaft diameter would be rather convenient. Anyway not a problem to derive one from another. What I do like in your approach is, as I mentioned, the option to do this in multiple passes.

Yes, the math with arcs is going to be painful. Interesting how it will work out.

Dan

334

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 09:52:43 AM »

Dan

335

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 08:31:19 AM »

What noise do you mean? Two sounds are there - one of the X stepper and the other of the A axis which has very high acceleration and hence you here it as knocks. Material is delrin.

Dan

336

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 08:01:51 AM »

Thanks Ya-Nvr-No.

Terry, thanks to your idea of utilizing the toolpath display I was able to debug the code and now have a perfect working version. It works very well. With my approach the minimal number of flats is 3. See attached final code. I have also cleaned it up a bit and added some more comments for readability. Works very well here and I am pleased.

Here is a short video showing it in action:

http://www.youtube.com/watch?v=DajrTlI8IWA&feature=youtu.be

Took less than a minute to cut this.

Dan

337

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 02:47:19 AM »

By the way. Changed my code to work in degrees mode so that toolpath would display more meaningfully. See attached. It didn't occur to me previously, but this way the debugging is easier. Interestingly the toolpath produced by my code consists of almost straight lines, while yours of curved lines. So based on the fact that mine did produce flats somehow, I would assume that there is a problem with yours  .

Dan

338

VB and the development of wizards / Re: Any new WIZARD ideas to work on ???

« on: October 19, 2012, 02:28:29 AM »

Ah.. I see now what you mean. Cutting the shape in multiple passes. This is more powerful than my approach. And you code looks much simpler too Not that I figured the math though.

Dan

339

General Mach Discussion / Re: Accuracy of Homing Devices? Pro's and Con's of Different Sensors

« on: October 18, 2012, 04:13:34 AM »

True. Do you have a link to the Honeywell switches? What type are they and what accuracy?

Dan

340

General Mach Discussion / Re: Accuracy of Homing Devices? Pro's and Con's of Different Sensors

« on: October 17, 2012, 04:24:15 PM »

I agree on the roller type advantages you mentioned, but every additional moving link reduces repeatability in my opinion, that's why I tried to stay away of this.

Dan