On Thu, 22 Dec 2011 17:13:11 +
andy pugh bodge...@gmail.com wrote:
On 22 December 2011 16:45, Anders Wallin
anders.e.e.wal...@gmail.com wrote:
a dream project of mine would be a telescope mount. To minimize
tracking error one should measure the rotation directly on the
geared axis
dave wrote:
The fancy encoder on some Fanuc motors comes to mind. I think Jon Elson
doped out how to read one of them.
Yup, Fanuc serial pulse coders come in 64K, 128K and 1 million count
versions.
The 64K don't dither at all, too. These have A860-xxx part numbers, and are
called the
I have been given a quote for electrochemical machining of an encoder
for my project.
http://www.photofab.co.uk/index.php/services/chemical-etch-photo-etch/
There is a £95 setup charge, then another £100 for a sheet of parts. I
get 25 of my design (75mm dia) on a sheet, but only need 6 or so.
The
These guys are on your turf too;
http://www.precisionmicro.com/
Except they wanted £1000 as minimum order
Regards
Roland
On 22 December 2011 16:24, andy pugh bodge...@gmail.com wrote:
I have been given a quote for electrochemical machining of an encoder
for my project.
On 22 December 2011 16:01, Roland Jollivet roland.jolli...@gmail.com wrote:
These guys are on your turf too;
http://www.precisionmicro.com/
This is an interesting process I hadn't heard of before:
http://www.precisionmicro.com/49/processes/laser-evolved-electro-forming---leef
--
atp
The idea
I have been given a quote for electrochemical machining of an encoder
for my project.
http://www.photofab.co.uk/index.php/services/chemical-etch-photo-etch/
There is a £95 setup charge, then another £100 for a sheet of parts. I
get 25 of my design (75mm dia) on a sheet, but only need 6 or so.
On Thursday, December 22, 2011 11:57:00 AM andy pugh did opine:
On 22 December 2011 16:01, Roland Jollivet roland.jolli...@gmail.com
wrote:
These guys are on your turf too;
http://www.precisionmicro.com/
This is an interesting process I hadn't heard of before:
On 22 December 2011 16:45, Anders Wallin anders.e.e.wal...@gmail.com wrote:
a dream project of mine would be a telescope mount. To minimize
tracking error one should measure the rotation directly on the geared
axis (not the motor) and one wants maybe 4 million pulses (22 bits)
per rev for
Le 22.12.2011 17:45, Anders Wallin a écrit :
I have been given a quote for electrochemical machining of an encoder
for my project.
http://www.photofab.co.uk/index.php/services/chemical-etch-photo-etch/
There is a £95 setup charge, then another £100 for a sheet of parts. I
get 25 of my design
On Thursday, December 22, 2011 04:33:44 PM Anders Wallin did opine:
I have been given a quote for electrochemical machining of an encoder
for my project.
http://www.photofab.co.uk/index.php/services/chemical-etch-photo-etch/
There is a £95 setup charge, then another £100 for a sheet of
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