ShopBot CNC Router

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mediatechnology
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ShopBot CNC Router

Post by mediatechnology » Tue Aug 22, 2017 11:19 am

My friend just purchased a used ShopBot PRS: http://www.shopbottools.com/mProducts/prSalpha.htm

Image

His has a 96" x 60" work area.
I'm hoping to engrave and cutout panels on his ShopBot.
He's already made a ring and pinion gear for his flat earth models using it.
It's a pretty amazing tool.
https://ka-electronics.com

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JR.
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Re: ShopBot CNC Router

Post by JR. » Tue Aug 22, 2017 2:52 pm

that sounds like a real production machine.... did he get the alpha with the closed loop?

2 mil repeatability is pretty decent for that size table.

JR

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Re: ShopBot CNC Router

Post by mediatechnology » Tue Aug 22, 2017 3:01 pm

I forgot to ask but based on the original price he quoted ($19,995) I think its the open loop version.
The cutting speed for some materials is limited without feedback.
Sort of like slew rate limiting I guess.

His bits will cut T6 aluminum.
https://ka-electronics.com

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JR.
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Re: ShopBot CNC Router

Post by JR. » Tue Aug 22, 2017 3:44 pm

mediatechnology wrote:
Tue Aug 22, 2017 3:01 pm
I forgot to ask but based on the original price he quoted ($19,995) I think its the open loop version.
The cutting speed for some materials is limited without feedback.


Sort of like slew rate limiting I guess.
nah more like checking it's work... you can cut slower and ASSume it can always keep up. With feedback it will tell you if it can't keep up.
His bits will cut T6 aluminum.
looks like a serious machine.

JR

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Re: ShopBot CNC Router

Post by Gold » Thu Aug 24, 2017 11:03 am

What kind of spindle/router is he using?

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mediatechnology
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Re: ShopBot CNC Router

Post by mediatechnology » Thu Aug 24, 2017 11:11 am

It is the manual tool change model.
I'm not sure what HP his router is.
https://ka-electronics.com

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Re: ShopBot CNC Router

Post by Gold » Fri Aug 25, 2017 11:38 am

I wish I had room for one. I've thought long and hard about a setup and i just can't see it happening given current circumstances.

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Re: ShopBot CNC Router

Post by mediatechnology » Thu Mar 15, 2018 10:14 am

The Shop Bot cuts the ring gear and the astrological formations on the dome prior to vacuum-forming.

https://www.youtube.com/watch?v=obAmGi3Koro
https://ka-electronics.com

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