Bostomatic BD 18-2 upgrade

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19 Jul 2020 01:25 #175094 by Smarttowers
I just purchased a bostomatic BD 18-2 from NASA. The machine doesn't have any of the axis drivers. Since I'm going to need drivers I'm planning to upgrade the machine to linuxcnc. The servo motors are Glentek GM4040-41-00906101-159. I need to find some drivers capable of running these servos preferably reasonably priced. Also I really need to find some writing diagrams for the upgrade.

Any assistance is greatly appreciated.

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19 Jul 2020 17:25 #175163 by tommylight
Find us more information on the motors, please.
The following user(s) said Thank You: Smarttowers

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19 Jul 2020 17:49 #175170 by Smarttowers
I'm including a picture of the motor id plate, and the pdf spec sheet.

The motor is brushed rated 180vdc, 9.1A.
I decoded the model number.
There is no brake installed, no tachometer, and a special encoder.

Thanks for the quick reply
Attachments:

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19 Jul 2020 18:08 #175174 by tommylight
The motor is easy to deal with, but that special encoder is not, as there is no info on it.
For the drives, anything from GeckoDrive.com with limited speed for 80V, Pico-systems.com has some 120V ones, Mesanet.com has 7i29 that is a dual 165V drive for two motors, etc.
One option is replacing those encoders with normal incremental ones.
There are other parts that should also be included depending on encoders and the choice from the above.

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19 Jul 2020 19:33 #175188 by Smarttowers
I'm going to try contacting glentek to see if i can get more details on the encoder. I found these gecko drives that have been "upgraded" supposedly can support 150vdc.

www.ebay.com.au/itm/322460615556

Are there any other drivers that are higher voltage rated I've had a hard time finding suitable power rated drivers.

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19 Jul 2020 20:35 #175195 by rodw
Replied by rodw on topic Bostomatic BD 18-2 upgrade

I'm going to try contacting glentek to see if i can get more details on the encoder. I found these gecko drives that have been "upgraded" supposedly can support 150vdc.

www.ebay.com.au/itm/322460615556

Are there any other drivers that are higher voltage rated I've had a hard time finding suitable power rated drivers.


Interesting, Made here in Australia and I did not even know.
www.machdrives.com/default.aspx

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19 Jul 2020 21:18 #175201 by tommylight

Interesting, Made here in Australia and I did not even know.
www.machdrives.com/default.aspx

I knew, bumped into them a while back and i even remembered he website.
Look interesting for sure.

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20 Jul 2020 01:25 #175220 by rodw
Replied by rodw on topic Bostomatic BD 18-2 upgrade

Interesting, Made here in Australia and I did not even know.
www.machdrives.com/default.aspx

I knew, bumped into them a while back and i even remembered he website.
Look interesting for sure.


What you were in Australia and didn't drop in for a beer! I'm insulted :evil: :evil:

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20 Jul 2020 10:18 #175230 by tommylight

Interesting, Made here in Australia and I did not even know.
www.machdrives.com/default.aspx

I knew, bumped into them a while back and i even remembered he website.
Look interesting for sure.


What you were in Australia and didn't drop in for a beer! I'm insulted :evil: :evil:

Oh cr@p, did i say that out loud ? :whistle:
The following user(s) said Thank You: rodw

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23 Jul 2020 04:11 #175460 by Smarttowers
I've taken the motors out and checked the encoder it is a 5000 cycles per revolution quadrature A&B with index. I need to get another as one of them was previously removed from the y axis servo. I am wondering if it's possible to add a higher ppr coder to one axis and have it behave similar to the other two.

I also have a lot of work to figure out what other hardware I'm going to need for the update. Are there any good resources on updating a older mill with some advanced features like ATC and dual spindle and hydraulic pump for the drawbar.

Thanks again for any assistance.

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