CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Rack and Pinion

on 2005-04-16 06:38:32 UTC
turbulatordude wrote:

>Hi all,
>
>I am probably missing something very simple in this.
>
>A spur gear has a unit value as the rack with a pitch diameter
>value of 1 inch. ie: a 12 pitch rack matches a 12 tooth gear when
>the pitch diameter of the gear is 1 inch.
>
>This then means the linear movement equals Pi for one revolution of
>the gear.
>
>
I'm not sure I agree with this statement.
If you have a gear with 12 teeth, and that meshes with a 12 pitch rack,
then the pitch *circumference* is 1 inch - not the diameter.
One revolution will be 12 teeth, or 1 inch.
If that's correct, then the rest of your worries magically vanish :)

- Steve

Discussion Thread

turbulatordude 2005-04-16 06:00:04 UTC Rack and Pinion R Rogers 2005-04-16 06:21:37 UTC Re: [CAD_CAM_EDM_DRO] Rack and Pinion Stephen Wille Padnos 2005-04-16 06:38:32 UTC Re: [CAD_CAM_EDM_DRO] Rack and Pinion turbulatordude 2005-04-16 07:14:50 UTC Re: Rack and Pinion turbulatordude 2005-04-16 07:18:12 UTC Re: Rack and Pinion Abby Katt 2005-04-16 07:39:38 UTC Cheap 56,000RPM milling upgrade (not a dremel :) ballendo 2005-04-16 07:47:39 UTC DIY-CNC Machine reality 101 was Re: Rack and Pinion Abby Katt 2005-04-16 07:51:11 UTC RE: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) cdmurphy_2000 2005-04-16 08:23:34 UTC Re: Cheap 56,000RPM milling upgrade (not a dremel :) Jon Elson 2005-04-16 09:11:33 UTC Re: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) Roy J. Tellason 2005-04-16 09:41:27 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) Hugh Prescott 2005-04-16 10:10:29 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) D Cranston 2005-04-16 10:23:37 UTC RE: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) Ron Kline 2005-04-16 10:45:23 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) R Rogers 2005-04-16 11:03:22 UTC Re: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) JanRwl@A... 2005-04-16 11:07:09 UTC Cheap 56,000RPM milling upgrade (not a dremel :) Abby Katt 2005-04-16 13:34:55 UTC RE: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) JanRwl@A... 2005-04-16 14:06:03 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) JanRwl@A... 2005-04-16 15:19:33 UTC Re: [CAD_CAM_EDM_DRO] Re: RE: Cheap 56,000RPM milling upgrade (not a dremel :) Russ Waters 2005-04-16 16:16:31 UTC Re: [CAD_CAM_EDM_DRO] Re: Re: Re: RE: Cheap 56,000RPM milling upgrade (not a dremel :) Jon Elson 2005-04-16 22:59:03 UTC Re: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) apaulsalerno 2005-04-17 17:59:12 UTC Re: Cheap 56,000RPM milling upgrade (not a dremel :) Lloyd Leung 2005-04-17 18:14:19 UTC RE: Cheap 56,000RPM milling upgrade (not a dremel :) Pete Brown (YahooGroups) 2005-04-17 18:23:57 UTC RE: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) Andrey Lipavsky 2005-04-17 18:26:13 UTC RE: [CAD_CAM_EDM_DRO] RE: Cheap 56,000RPM milling upgrade (not a dremel :) JanRwl@A... 2005-04-17 22:33:27 UTC Re: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) Jon Elson 2005-04-17 22:56:37 UTC Re: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) JanRwl@A... 2005-04-17 23:58:42 UTC Re: [CAD_CAM_EDM_DRO] Cheap 56,000RPM milling upgrade (not a dremel :) turbulatordude 2005-04-18 06:10:07 UTC Re: Rack and Pinion - Where to buy ? cnc_4_me 2005-04-18 08:25:26 UTC Re: Cheap 56,000RPM milling upgrade (not a dremel :) Pete Brown (YahooGroups) 2005-04-18 08:31:57 UTC RE: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) Ron Kline 2005-04-18 09:34:15 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) Jon Elson 2005-04-18 10:04:47 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) cnc_4_me 2005-04-18 10:35:43 UTC Re: Cheap 56,000RPM milling upgrade (not a dremel :) Jon Elson 2005-04-18 19:36:30 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) apaulsalerno 2005-04-18 21:36:06 UTC Re: Cheap 56,000RPM milling upgrade (not a dremel :) cnc_4_me 2005-04-20 20:50:40 UTC Re: Cheap 56,000RPM milling upgrade (not a dremel :) Jon Elson 2005-04-20 22:45:21 UTC Re: [CAD_CAM_EDM_DRO] Re: Cheap 56,000RPM milling upgrade (not a dremel :) Bill P @ ... 2005-04-23 14:33:18 UTC Rebuilt 3HP Perske on eBay, was: Cheap 56K rpm upgrade Brian 2005-04-23 15:33:24 UTC Re: [CAD_CAM_EDM_DRO] Rebuilt 3HP Perske on eBay, was: Cheap 56K rpm upgrade JanRwl@A... 2005-04-23 15:53:08 UTC Re: [CAD_CAM_EDM_DRO] Rebuilt 3HP Perske on eBay, was: Cheap 56K rpm upgrade Jon Elson 2005-04-23 20:24:50 UTC Re: [CAD_CAM_EDM_DRO] Rebuilt 3HP Perske on eBay, was: Cheap 56K rpm upgrade JanRwl@A... 2005-04-23 22:34:03 UTC Re: [CAD_CAM_EDM_DRO] Rebuilt 3HP Perske on eBay, was: Cheap 56K rpm upgrade Dave Fisher 2005-04-24 02:04:36 UTC RE: [CAD_CAM_EDM_DRO] Rebuilt 3HP Perske on eBay, was: Cheap 56K rpm upgrade