Search found 21 matches

by chmedly
Fri Oct 31, 2014 10:51 pm
Forum: Discussion
Topic: Upgraded to 9mm wide belts
Replies: 52
Views: 16398

Re: Upgraded to 9mm wide belts

Hmm. I just noticed something that might be of importance for diy mini cnc's etc. It appears that Gates has discontinued GT2 belt. I can't find GT2 belt on their site anymore (except for the double sided stuff). They have GT3 belt but that has a minimum pitch of 5mm. That's a bit much for the small ...
by chmedly
Thu Oct 30, 2014 4:26 pm
Forum: Discussion
Topic: Upgraded to 9mm wide belts
Replies: 52
Views: 16398

Re: Upgraded to 9mm wide belts

Maybe I missed it but... Is there a source linked here for GT2 9mm wide belt in a 3mm pitch?
by chmedly
Thu Oct 30, 2014 4:20 pm
Forum: Discussion
Topic: Should I?
Replies: 28
Views: 2658

Re: Should I?

The funny thing is that, as far as I can tell, free time costs money. And it costs more the older you get. Until you retire I suppose. But who's planning to do that anymore?
by chmedly
Tue Oct 07, 2014 1:47 am
Forum: Design Ideas
Topic: Wider belts with bigger motors?
Replies: 23
Views: 4346

Re: Wider belts with bigger motors?

Seems the pictures were hosted on the user's private hosting site, which has later gone the way of MySpace... And the user hasn't been active here sinnce last year. The site was archangeldirect.com (not much found on the Wayback machine, either) Seems he sold handmade preamps. Have you tried sendin...
by chmedly
Tue Sep 16, 2014 6:24 pm
Forum: Discussion
Topic: Anyone else use SketchUcam in their workflow?
Replies: 7
Views: 1438

Re: Anyone else use SketchUcam in their workflow?

It is a bit confusing. I think you have to join the phlatboys forum to get to the download links.
by chmedly
Tue Sep 09, 2014 10:12 pm
Forum: Mini Spindles - Purchased
Topic: 400W,750W & 1.1kW spindles
Replies: 1
Views: 1246

400W,750W & 1.1kW spindles

Anyone here have any info on these? I'm curious who the actual manufacturer is and if they are available from a distributor in the US.

http://www.arceurotrade.co.uk/catalogue ... -inverters
by chmedly
Sat Sep 06, 2014 12:05 am
Forum: tinyG
Topic: Limit switches & auto tool height setter?
Replies: 39
Views: 9891

Re: Limit switches & auto tool height setter?

330 Ω pull-up (between plate and VDD), 1 kΩ in series (between plate and pin), and 1 nF to ground (between input pin and GND) should take care of that. You wouldn't do a zener or two? I need to look at the schematic for the tinyG. I'm curious what kind of buffering is designed into it. Also, I'm cu...
by chmedly
Fri Sep 05, 2014 5:15 pm
Forum: tinyG
Topic: Limit switches & auto tool height setter?
Replies: 39
Views: 9891

Re: Limit switches & auto tool height setter?

Dataway,
So, correct me if I'm wrong. I think you have your aluminum plate electrically connected to a tinyG limit switch input? That sounds incredibly simple. The only thing that I wonder about is static electricity protection for that input port.
by chmedly
Wed Sep 03, 2014 12:10 am
Forum: Design Ideas
Topic: Working on a custom Shapeoko 2
Replies: 145
Views: 64810

Re: Working on a custom Shapeoko 2

The thing about the Inventables wheels is that they have a 20 pack which brings the per wheel price down. But, the open builds wheels come with more parts.

Thanks for the comments. I haven't bought anything yet but I think I'm getting close. I'll try to contribute what I discover from my build.
by chmedly
Tue Sep 02, 2014 5:44 pm
Forum: Design Ideas
Topic: Working on a custom Shapeoko 2
Replies: 145
Views: 64810

Re: Working on a custom Shapeoko 2

It sounds like you're saying that the motor plates (on each end of the gantry) where designed with the 2040 sandwich in mind. When you say 2040 extrusion, was that a piece from misumi or from somewhere else? I'm wondering if there is enough room to use a domestic sized piece of rectangle aluminum tu...