Re: [Emc-users] Boss 5 Conversion

[N. C. P. <n_c...@me...>]

Mike,

Awesome.  Thank you for the download.

I'm considering using some surplus Parker OEM750 drives on mine, but will take a closer look at the Gecko hardware.

N.C.

On Jun 29, 2012, at 9:59, Michael Panchula <pan...@um...> wrote:

> I converted my Boss 5 to PC based, 220V single phase power. I kept the
> stock steppers.
> 
> Here's a quick parts breakdown:
> 
> *Power *
> Stepper Power Suppy:
> Antek 48V toroidal trasformer AN-10248 1000VA
> PMDX-135-8020 20A power prep module
> 
> Relay Power Supply:
> El-Pac BFS-500 24V 20A
> 
> Logic Power Supply:
> Spare PC 150W PS
> 
> *VFD*
> TB Woods SE-1 2HP VFD
> 
> *PC *
> Gateway Pentium 4 3.0Ghz
> *
> *
> *Display*
> NEC 15" LCD Touchscreen
> *
> *
> *PC interface boards*
> C11G Break out board
> C10 Breakout board
> Netmos based PCI parallel port
> 
> *Stepper Drivers*
> Gecko 203V
> 
> *Relays*
> Various 24v relays controlling  VFD, Stepper PS, tied in to E-Stop
> 
> 
> Build notes:
> Removed the entire back cabinet.
> 
> In the side cabinet where the tape drive lived, I put in a 3/4 MDF board
> and use it for tool storage.
> 
> I removed the heatsinks from the right side of the remaining control box.
> I covered the opening with a blank. I separated the heatsinks and cut one
> down to mount it the opening on the back wall of the control cabinet and
> mounted the Geckos to it.  No problem keeping them cool.
> 
> Per Marcus from Gecko -- wire the stock steppers in series, no current
> resistor on drvie.   I also installed a capacitor across the supply leads
> to each Gecko (don't remember the value off the top of my head).
> 
> I reused the existing spindle enable and e-stop on the head for enabling
> the stepper power, and on the e-stop I wired the stepper power to the NC
> side of the switch and the Gecko disable to the NO.  In e-stop the relay
> shuts off the power to the steppers and VFD, and the disable turns off the
> drives while the power supply drains down.  Not to say this is the best
> way, just how I did it.
> 
> Getting the Netmos based PCI card configurred under Linuxcnc was a bit
> tricky, but thanks to Jon's PCIsetup utility, I got it tamed.
> 
> My Boss 5 has two different brands of steppers,  Sigma on the X & Y,
> Superior on the Z.   I'm currently running 60 IMP rapids on the X & Y, and
> can only get 45 out of the Superior on the Z.  I just bought a spare
> Superior at the CNC Workshop, and it's consistent, 45 IPM.
> 
> One other tip -- use wire ferrules on all the connections, they make a
> neater and more robust connection.  McMaster-Carr has a nice assortment
> pack for ~$30.
> 
> The touch screen works well, there was just a new driver released by 3M
> this spring.
> 
> I hope this is of use.
> 
> -Mike
> 
> 
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> *
> *
> 
> 
> 
> 
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