I came across an old (15 years) CNC Pick and Place mashine, Epson Seiko Accusembler, that I would like to convert to CNC milling for PCB's and RC balsa wood cutting.
My problem is that this mashine uses DC servo motor and not stepper motors and becuse of that it has a closet of electronics to drive all 3 axis. I don't know if is possible to use any of the software mentioned on this forum to work with this machine.
Is it possible just to replace the DC motors with stepper motors and get a 3-axis stepper motor controller and the machine would work??
Anybody had any experience with this machine?
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11-26-2006, 08:58 AM #1
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Epson Seiko Accusembler CNC Conversion Help
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11-27-2006, 04:53 AM #2
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Hi,
Any pics of the machine?
You could still use the servos but replace the servo drives with Gecko 320 drives. Add a breakout board, power supply and Mach3 and you should be away.
Yes you could replace te servos with steppers, but why?
Cheers,
Peter.-------------------------------------------------
Homann Designs - http://www.homanndesigns.com/store
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11-27-2006, 09:27 AM #3
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Where can I get the Gecko 320 driver? What is the price? I have a 3-axis CNC this means 3 Gecko drivers.
Thanks.
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11-27-2006, 10:39 AM #4
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Geckos are sold by http://www.geckodrive.com/
Originally Posted by tomskk
Yes you will need 3 drives. Do you know what servo motors and encoders are in the machine?
Cheers,
Peter.-------------------------------------------------
Homann Designs - http://www.homanndesigns.com/store
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11-27-2006, 10:41 AM #5
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Not yet, i will have to open the machine. I hope the motors will have somekind of information on them.
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11-27-2006, 12:23 PM #6
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Look for a voltage rating. Also look at the encoders on the motors. They may have how many pulses per revolution marked on them. Originally Posted by tomskk
Cheers,
Peter.-------------------------------------------------
Homann Designs - http://www.homanndesigns.com/store
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11-02-2007, 06:05 PM #7
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I know it has been a long time ago that you posted this inquiry but I just joined and used to own an Accusembler also. We use a more modern version at Delphi in Kokomo for all kinds of tasks. This is not a good machine for side thrust operations such as milling or routing as it is pretty weak in that area. However, it is great for lasers, plasma cutting and pick and place where there is not side pressure. If you still have questions about converting it of selling it, please let me know.
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