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Re: VFD location


 

I installed the VFD for my South Bend 16 on the back side of my drive pedestal where the original owner had a disconnect switch mounted. Since the cast?iron mount for the Cutler-Hammer F/R drum switch was broken, I cut the damaged portion off and fabricated?an adapter and mount for my 22mm 5 unit pushbutton control station incorporating Start/E-Stop/Jog/F-R switch/Speed pot control devices. This is the same setup I used on my Wells-Index 55 mill and my South Bend?9A.? The inverter on the 9A was mounted on the backside of the motor cabinet while the inverter for the Wells-Index was mounted on the side of the column where some of the original mechanical table drive components were located.? The mill had been converted to a normal table system using the same motor drives used for Bridgeports.

James

On Wed, Jul 24, 2024 at 9:47?PM George Meinschein via <gmeinschein=[email protected]> wrote:

Thank you to everyone that responded!? I think I've settled on VFD attached to the wall and remote control on the stalk where the original Cutler-Hammer fwd/off/rev drum switch is currently mounted. I like the look of the original drum switch, so I might retain the outward appearance and mod the inner workings to match the control circuitry needed for the VFD.? Probably should add a big red stop button somewhere handy because centering the drum switch to the stop position might prove challenging once things go sideways.

That brings me to a side note. I put a 1hp VFD on my Bridgeport a little while ago.? That new VFD cost me just over $200.? I checked prices on the Cutler-Hammer drum switch that I took off the Bridgeport and about fell over!? Sold the old used drum switch on ebay for $200!? A self-supporting hobby! Life is good!

Thanks,
George H. Meinschein, P.E.
Firearm and Ballistics Engineering LLC
150 Brittany Drive
Freehold, NJ 07728
gmeinschein@...
Cell#: 732-580-1736

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