Re: [CAD_CAM_EDM_DRO] Re: mouse encoder?

I would presume that. Just build a head able to read the number of slots
you put in the disk. Shouldn't be too difficult. I remember seeing
circuits for that back in '75 when I was in electronics/computer school.

Smoke

>You can make all the disks you want, but the encoder read head has to
>match the disk to generate quadrature output properly. The people at US
>Digital told me that you are OK up to about a 10% variation from the
>designed count for a particular head.
>
>Tim
>[Denver, CO]
>
>> -----Original Message-----
>>
>> Why use a 1/16 end mill. Use something much smaller (say .01
>> dia.) and you can do a whole lot more slots (about 450+ on a
>> 3 inch disk).
>>
>> Smoke
>>
>> >Nothing to stop you from making your own discs if you have a
>> suitably
>> >small end mill. I made a 60-slot disc for RPM measurement
>> using a 1/6"
>> >end mill & the 3" diam platter from a defunct hard drive - worked a
>> >treat.
>>
>>
>> Addresses:
>> FAQ: http://www.ktmarketing.com/faq.html
>> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
>
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