Re: [CAD_CAM_EDM_DRO] Re: BOSS Retrofit...Little details

cnc_4_me <cnc4me@...> wrote:


If your mill came with limit switches they should be ok...Mach2 can
use NO or NC...As for the motor wire, i looked at jameco's web site
and could not find anything suitable...I have been looking for motor
wire myself. So far all i can find is $3 per foot stuff...The
minimum wire size you want to go with is 14, good for 15 amps. 12
guage would take you to 20 amps. 10 guage 30 amp...And yes shielded
is very good idea. You also need fine stranding to...

For a example of very good wire oil resistant, fine strand, shielded,
go to alphawire.com
http://www.alphawire.com/pages/91.cfm
the cable on this page is about $3 foot from wire distributor.


Wally


/// I think 1/2" or 3/8" seal-tite is cheaper then just run 2 -14 ga stranded inside. Its alot more durable. Can't run the encoder wires in it though. Found this out the hard way.

Ron



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "braidmeister"

wrote:

>
> I've pretty much nailed down the motors, drivers and software for

the

> conversion. Aside from the power supply, that should pretty much
> cover the hardware end of things ~ except for a few lingering
> questions I have on some details:
>
> 1. Aside from the spindle motor power supply, what else do I need

to

> retain in regards to the spindle for the conversion? Are there
> electronics that handle the lubrication of the spindle? I am not
> interested in changing the spindle motor or mechanical speed

control.

> It works fine.
>
> 2. Limit switches...I will be running Mach2. Do I need to swap out
> the limit switches, add switches or rewire them at all?
>
> 3. Bijur way luber...I haven't really run the machine enough to

test

> out the lube pump to see if it is working or not...According to the
> manual, I should be able to pull up on the plunger to prime

it...well

> it doesn't pull up. It unscrews and that's about it.

Anyway...getting

> back to the electrical aspects of the pump. What do I need to keep?

~

> What gets canned?
>
> 4. Motor power cables....I was thinking of the Belden line of
> shielded cable from Jameco. Good/bad/cheaper somewhere else?
>
> Here's a list of the components so far:
>
> 1.5HP PMDC motors (will post specs later when it's running)
> Rutex R990H servo drives
> Rutex 990MB motherboard
> Rutex 990IO relay card
> USDigital E3 1000CPR encoders + cables etc
> Mach2/3 PC controller
> BOSS 75v PS (modified or new one from scratch)
>
> Am I missing anything? Suggestions?
>
> Thanks!
> -Brady

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