Re: milling circuit boards

"Bill Davis" wdavis@... wdavis364 wrote:
Date: Thu Oct 5, 2006 8:45 pm (PDT)

Thanks Dave, I've found some routers I liked but they did not list 1/8
collets, only 1/4. They are others that both 1/4 and 1/8 collets. I'll see
if I can find one of these I like.
Thanks
bill

[You can get bushings that make up the difference, allowing you to use a
smaller endmill in a larger collet. Here's a link:
http://tinyurl.com/b7t6f ]

Andrew Werby
www.computersculpture.com

----- Original Message -----
From: "turbulatordude" <dave_mucha@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, October 05, 2006 9:01 PM
Subject: [CAD_CAM_EDM_DRO] Re: milling circuit boards


> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "wdavis364" <wdavis@...> wrote:
>>
>> Shopping around for a router, Some router have 1/4 collets and some
>> have 1/4 collets and 1/8 collets. Not knowing much about this, what
>> size collet will I would most likely to be using in milling circuit
>> boards. Will 1/4 collets handle the very small size drill bits(1/32)?
>> Thanks for any advice on this.
>> bill
>
> the standard drill diameter for PCB work is 1/8" dia. Therefore, to
> answer your quesiton, 1/8"
>
> You can buy drill bits on E-bay for about 50 cents each, in lots of
> 25. Go for the guys who will tell you up-front what diameter drills
> you will get.
>
> I bougth a cheap set and 45 pieces were 13 thou or less. Totally
> unusable for my needs.
>
> Dave