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Hardinge AHC Accuslide Acorn Conversion
Posted: Fri Nov 27, 2020 6:40 am
by ecdez
I recently picked up a Hardinge AHC that's been fitted with an Accuslide. The parameters were lost when the batteries died, the spindle encoder is bad and the VFD is DOA. Good candidate for a retrofit

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These pictures are at the shop where I got it. My quarters are too cramped to get a good full on shot. Some parts have already showed up so hopefully progress will be quick.
Re: Harding AHC Accuslide Acorn Conversion
Posted: Fri Nov 27, 2020 10:37 am
by roundel325
Good project! I'm wrapping up a Hardinge Accuslide conversion and I'm very pleased with how it's turning out.
Re: Harding AHC Accuslide Acorn Conversion
Posted: Fri Nov 27, 2020 11:30 am
by martyscncgarage
Keep us posted on your progress!
Sell the old control parts on ebay to help offset your costs.
Re: Hardinge AHC Accuslide Acorn Conversion
Posted: Fri Nov 27, 2020 12:12 pm
by slodat
I have an Accuslide lathe I'm converting to Acorn with DMM servos.
Re: Hardinge AHC Accuslide Acorn Conversion
Posted: Mon Nov 30, 2020 10:25 am
by ecdez
Thanks guys, good to know I'm not alone with this project
I plan to list the unused items. A few bucks never hurts.
Got the acorn up and ran through the initial setup. Also the motors/drives and did the initial tune on them also.
Re: Hardinge AHC Accuslide Acorn Conversion
Posted: Wed Dec 02, 2020 7:21 am
by ecdez
I got the computer mount moved back to give me a little more room to move.
Box cleaned out.
New face plate made and mounted. There will be another over this one for the monitor. I plan to mount the drives to the back of this plate.
Re: Hardinge AHC Accuslide Acorn Conversion
Posted: Thu Dec 03, 2020 10:23 am
by martyscncgarage
Looking good so far. Thanks for the build pictures!
Re: Hardinge AHC Accuslide Acorn Conversion
Posted: Fri Dec 04, 2020 6:06 am
by ecdez
Thanks
A little more progress.
Drives mounted
Monitor mounted to faceplate and then mounted to the box
Made a small bracket to hold the NUK and USB ports - trying not to penetrate the outer shell if I can avoid it.
Re: Hardinge AHC Accuslide Acorn Conversion
Posted: Fri Dec 04, 2020 9:00 am
by martyscncgarage
Consider a USB bulkhead connector for your cabinet so you have external access to the USB ports.
Can be found on Amazon
Re: Hardinge AHC Accuslide Acorn Conversion
Posted: Fri Dec 04, 2020 10:18 am
by ecdez
I actually have one that I never installed on my Hurco. Its a cheapie ebay item but I actually like this one from DigiKey a little better.
https://www.digikey.com/en/products/det ... 0gEALw_wcB