CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers

Posted by Jon Elson
on 2001-01-12 15:46:07 UTC
Bill Phillips wrote:

> Jon Anderson wrote
>
> >3 conical depressions (like a countersink) would work as well, and might
> >be a lot easier to make and be sure they were on target. In fact, you
> >don't even need cones! 3 holes with well-chosen diameters so that they
> >sat part way down on the balls would work quite well.
> >
> >Jon
>
> If you have 3 holes how do you guarantee that each ball will sit down in
> exactly the same place each time? It will be much better to just mill slots
> rather than a holes. The slot will guarantee two points of contact for each
> ball. The six points of contact wil then fix the dangly bit repeatably in 3
> dimensions.

You, this makes a lot of sense! Maybe the slots should be fairly wide, so
that the contact points are not right at the top of the ball, but a good way
down the sides. The pressure of the small contact points would improve
the reliability of the contacts.

Jon

Discussion Thread

Alan Marconett KM6VV 2001-01-11 20:16:25 UTC Renishaw, digitizers Jon Elson 2001-01-11 21:46:58 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers ptengin@a... 2001-01-11 22:04:31 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Jon Anderson 2001-01-11 23:00:53 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 00:09:55 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 00:13:49 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 00:34:02 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers ptengin@a... 2001-01-12 01:53:40 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Ian Wright 2001-01-12 02:47:14 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Greg Nuspel 2001-01-12 03:18:17 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Jon Anderson 2001-01-12 10:19:15 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 11:34:27 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Smoke 2001-01-12 12:07:28 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Bill Phillips 2001-01-12 13:07:32 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 13:10:06 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Elliot Burke 2001-01-12 13:18:50 UTC re:Re: Renishaw, digitizers Jon Anderson 2001-01-12 13:35:39 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Ian Wright 2001-01-12 13:41:40 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Jon Anderson 2001-01-12 13:43:42 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 14:13:13 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Smoke 2001-01-12 14:26:20 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 14:26:28 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Smoke 2001-01-12 14:28:51 UTC Re: [CAD_CAM_EDM_DRO] re:Re: Renishaw, digitizers Alan Marconett KM6VV 2001-01-12 14:51:15 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Jon Elson 2001-01-12 15:46:07 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Smoke 2001-01-12 15:59:06 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Jon Anderson 2001-01-12 16:42:50 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers ballendo@y... 2001-01-12 18:01:10 UTC re:Re: Renishaw, digitizers ballendo@y... 2001-01-12 18:17:39 UTC Re: Renishaw, digitizers Jon Anderson 2001-01-12 19:06:30 UTC Re: [CAD_CAM_EDM_DRO] Re: Renishaw, digitizers Jon Anderson 2001-01-12 19:15:43 UTC Re: [CAD_CAM_EDM_DRO] re:Re: Renishaw, digitizers ballendo@y... 2001-01-12 21:01:28 UTC Re: Renishaw, digitizers Ian Wright 2001-01-13 01:39:49 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Marcus & Eva 2001-01-13 08:29:34 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Marcus & Eva 2001-01-13 08:33:56 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Alan Marconett KM6VV 2001-01-13 13:03:29 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Smoke 2001-01-13 14:59:55 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Ian Wright 2001-01-14 02:20:44 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers Marcus & Eva 2001-01-14 09:34:17 UTC Re: [CAD_CAM_EDM_DRO] Renishaw, digitizers