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Some guidance on spindles
« on: January 30, 2012, 06:18:38 AM »
Hi all,

I am in the throws of making a CNC router for use with plastics and was wondering what others did to power their spindles?  I am currently using a cheapo dremel equivalent which is running way too fast.  At the moment I am intending to use the machine on plastics.

Thanks

Z

Offline olf20

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Re: Some guidance on spindles
« Reply #1 on: January 30, 2012, 06:51:38 AM »
We use a Porter Cable 2.75hp router motor. However like you
it runs too fast for some of our work. Have been looking at
other options but have not found anything that would be better
that we could afford.
Hope someone posts some new info.
olf20 / Bob
Mach3, Atlas Knee Mill, 4th Axis, VcarvePro, ESS, Super PID.
Been Heating with corn since 1998
Re: Some guidance on spindles
« Reply #2 on: January 30, 2012, 10:07:51 AM »
Both Dremels and routers are readily available with variable speed controls....
Regards,
Ray L.
Re: Some guidance on spindles
« Reply #3 on: January 30, 2012, 11:09:22 AM »
I agree.  The dremel clone I have is variable speed but the torque available at the lowest speed (which is still fast) is too low so I end up jacking the speed to compensate.

So I was hoping to find something which was capable of reasonable torque at low speeds.  And preferably cheap to boot.

Z

Offline ger21

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Re: Some guidance on spindles
« Reply #4 on: January 30, 2012, 11:56:03 AM »
If you disregard the cheap, adding a Super-PID to most any router will give you plenty of power down to 5000 rpm.
www.superpid.com
Gerry

2010 Screenset
http://www.thecncwoodworker.com/2010.html

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html

Offline olf20

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Re: Some guidance on spindles
« Reply #5 on: January 30, 2012, 03:16:38 PM »
Hi Gerry
What motor do you use with the SPID???
Thanks olf20 / Bob
Mach3, Atlas Knee Mill, 4th Axis, VcarvePro, ESS, Super PID.
Been Heating with corn since 1998

Offline ger21

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Re: Some guidance on spindles
« Reply #6 on: January 30, 2012, 04:44:32 PM »
Porter Cable 690
Gerry

2010 Screenset
http://www.thecncwoodworker.com/2010.html

JointCAM Dovetail and Box Joint software
http://www.g-forcecnc.com/jointcam.html
Re: Some guidance on spindles
« Reply #7 on: January 31, 2012, 01:33:55 PM »
Take a look at the Sherline heads.  I have two Sherline milling machines and I like their heads a lot when lower speeds are needed.