Andy,
Do you know if the Accupin method is still patent protected? Within the last
year I looked up the ball-in-tube patent and those guys are pretty proud of
their round balls. To me, pins are just as viable. Thanks for the Accupin
reference.
Dennis
I think that a multi-pole one
The original, AFAIK, is Newall.com Apparently the patent has expired,
that's why there are others now.
Regards
Roland
On 14 August 2012 11:37, ceen...@in-front.com wrote:
Andy,
Do you know if the Accupin method is still patent protected? Within the
last year I looked up the ball-in-tube
we have not played with them yet - But plan to when we get some time..
http://electronicsam.com/images/KandT/conversion/accpinset1.jpg
Top is the head and bottom is the pins. They are 10 inch sections that
get pinned to the machine.
Here is how they drove it.
sam sokolik wrote:
we have not played with them yet - But plan to when we get some time..
http://electronicsam.com/images/KandT/conversion/accpinset1.jpg
Top is the head and bottom is the pins. They are 10 inch sections that
get pinned to the machine.
Here is how they drove it.
Very nice Job!.
We have similar machines in my father's workshop that we use to make
camshafts. It would be awesome to use the actual hydraulic system with a
servo valve to make accurate movements.
We've had always the idea to replace the pistons with a ballscrew and servo
motor, mostly because
On 13 August 2012 21:30, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
We've had always the idea to replace the pistons with a ballscrew and servo
motor, mostly because of the hydraulic system maintenance. But watching
what you've done this seems a lot cheaper and with less work than
Hello Andy.
That's really good news, if one can use a DIY LVDT that would reduce the
cost drastically.
I've only seen low travel LVDTs intended to be used in diameter measuring
and things like that. Do you think a 1000 mm LVDT is possible to accomplish
without great issues?.
Thanks!
Leonardo.
On 14 August 2012 00:48, Leonardo Marsaglia
leonardomarsagli...@gmail.com wrote:
I've only seen low travel LVDTs intended to be used in diameter measuring
and things like that. Do you think a 1000 mm LVDT is possible to accomplish
without great issues?.
I think that a multi-pole one would
)
Subject: Re: [Emc-users] CNC Grinder
Hello Andy.
That's really good news, if one can use a DIY LVDT that would reduce the
cost drastically.
I've only seen low travel LVDTs intended to be used in diameter measuring
and things like that. Do you think a 1000 mm LVDT is possible to accomplish
without
I'm looking in the cnczone posts from Skunkwork's to see a little more
about the system that his machine used. But it's great news that you think
it's doable, that would be a nice project to give it a try in the future,
plus if it doesn't work, there's not a huge amount of money wasted.
2012/8/13
Leonardo Marsaglia wrote:
Hello Andy.
That's really good news, if one can use a DIY LVDT that would reduce the
cost drastically.
I've only seen low travel LVDTs intended to be used in diameter measuring
and things like that. Do you think a 1000 mm LVDT is possible to accomplish
without
That was my doubt, if it was doable because of the linearity problem and
also the resolution in such a long distance, since I've worked with LVDTs
but only with 1 mm of travel aprox, using them to measure in process the
grinding of the camshaft bearings. Anyway this is not a serious project,
but a
Guys,
Though this one is worth cross sharing. :)
http://www.youtube.com/watch?v=NMkNCSUJBvs
http://www.cnczone.com/forums/linuxcnc_formerly_emc2/138977-heald_id_grinder_emc2_project.html
Regards,
Sven
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