One more:
http://members.shaw.ca/SWSTUFF/spindle-encoder.html
http://members.shaw.ca/SWSTUFF/index.htm

On 07/15/2014 07:19 AM, Kirk Wallace wrote:
> On 07/15/2014 06:44 AM, Marius Liebenberg wrote:
>>
>> On 2014-07-15 14:00, andy pugh wrote:
>>> On 15 July 2014 10:44, Marius Liebenberg <mar...@mastercut.co.za> wrote:
>>>> What would the highest safe RPM be for a 2048 quadrature spindle encoder
>>>> on the 7i76.
>>>> I have to use some pulleys to mount the encoder on my spindle and I
>>>> would like to use what I have on the shelf if possible.
>>> 1:1 is the right ratio, if you want to use the index from the encoder.
>>> The encoder on the 7i76 can do 10Mhz according to the manual, so that
>>> should be OK to 292,000 rpm.
>> OK so speed is not the problem. I will have to concoct another method to
>> mount the encoder if it is better to have it 1:1
>> How do others do that on a lathe seeing that you cannot mount the
>> encoder on the back of the shaft. The shaft is hollow for material to
>> pass through.
>>
>
> http://www.wallacecompany.com/cnc_lathe/HNC/00010-1a.jpg
> http://www.wallacecompany.com/cnc_lathe/HNC/00011-1a.jpg
> http://www.wallacecompany.com/cnc_lathe/HNC/
>


-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/

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