Old multi-spindle mills were used to cut multiple identical copies, usually
with a hydraulic tracer running on a pattern. For that kind of use the code
wouldn't need to be any different. Just load your 2+ workpieces then run the
machine.
Another multi spindle machine that was used before CNC was the multi station
pantograph. It had a large turntable in the middle with several stations where
work pieces could be loaded. At each position around the edge was a pantograph
arm with a milling spindle and a pattern to trace, or another thing like a
drilling spindle if only a single hole had to be drilled at that step. The
operator would remove the finished item then load in a new blank and hit the
advance button. I suspect that at the "speed" hydraulic tracers could hit, one
operator could service three or four such machines.
Such an amazing array of mechanically complicated machines made obsolete by the
first numeric controlled single spindle milling machine with an automatic tool
changer. Imagine doing a full CNC conversion of a K&T 2D mill... pretty
pointless because the offset spindle rotation capability of the 2D can be
copied by CNC movement of the table.
From: andy pugh <[email protected]>
To: Enhanced Machine Controller (EMC) <[email protected]>
Sent: Tuesday, May 24, 2016 2:59 PM
Subject: [Emc-users] Multi-spindle machines
Has anyone here ever wanted multi-spindle support in LinuxCNC?
What is the use-case? What does multi-spindle G-code look like?
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