15 Mar
2010
15 Mar
'10
7:06 p.m.
There's a strange computer in Kansas USA on eBay, wrong side of the pond for me
anyway. It appears to be for calculating milling machine feed rates. The seller seems to
think its a CNC control box but I'm fairly sure it isn't. I found it interesting
anyway, the item number is 320502473280. No connection to the seller.
15 Mar
15 Mar
7:25 p.m.
-----Original Message-----
From: cctalk-bounces at classiccmp.org [mailto:cctalk-
bounces at classiccmp.org] On Behalf Of Roger Holmes
Sent: Monday, March 15, 2010 12:06 PM
To: cctalk at classiccmp.org
Subject: Computer on eBay probably analogue
There's a strange computer in Kansas USA on eBay, wrong side of the
pond for me anyway. It appears to be for calculating milling machine
feed rates. The seller seems to think its a CNC control box but I'm
fairly sure it isn't. I found it interesting anyway, the item number is
320502473280. No connection to the seller.
I've seen systems like this before. Notice the 'Balance' meter?
It's likely an elaborate bridge, where the goal is to twist knobs representing
parameters until one achieves a solution as represented by a neutral position of the
needle. For instance, one might be trading off cutting speed and tool life, taking into
account depth of cut and the characteristics of the cutting tool (inferring from values on
the various knobs). Very cool! -- Ian
5409
days inactive
5409
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IanK＠vulcan.com -
roger.holmes＠microspot.co.uk