Yes, I'm ssi on IRC, and the conversion was quite straightforward.   I have 
$400 in Mesa gear, under $200 for two vfds, and miscellaneous wiring supplies.  
The stock resolvers work great with mesa's 7i49, there's no problems with the 
Hiak amps.   The only issue I ran into was dirty tachs, and they cleaned up 
easy enough. 

Conversion took about 2 weeks of evenings.

Ian

Sent from my iPhone

On Apr 17, 2012, at 7:57 AM, John Thornton <bjt...@gmail.com> wrote:

> I converted my CHNC a while back with a Mesa 5i20 + 7i33TA + 7i37TA 
> cards. My CHNC uses encoders so that part was easy... as I understand 
> the HNC has resolvers so you need an additional card for that. IIRC ssi 
> on the IRC just finished converting a HNC as well as many others. I'm in 
> the process of converting my BP Anilam CNC mill with a 5i25 + 7i77 card 
> and a D525 motherboard which will eliminate 2 of the 3 giant electrical 
> panels hanging off of the BP knee mill...
> 
> John
> 
> On 4/16/2012 7:17 PM, Terry Christophersen wrote:
>> Hi all,
>> I have a Hardinge HNC that I am toying with the idea of retrofitting.I know 
>> there is
>> a few on this list that have done so,I would like to know the amp/motor 
>> combos that are
>> in use.I have one that I put a Centroid on a few years ago but I dont have 
>> the workload
>> for another 10K kit for this one.I would just use it for a rush job so I 
>> dont have to tear down the
>> other HNC.
>> 
>> I would assume that the origional axis motors would be usable as they were 
>> working when I
>> shut it off 5yrs ago.Maybe Jon Elsons amps would be a good choice?
>> 
>> Thanks
>> 
>> Terry
>> 
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