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From Pumping Station One
User:Mct/shopbot auth 1 notes (view source)
Revision as of 19:09, 10 July 2016
, 19:09, 10 July 2016fixed accidental breaks
** continuous xy movements with discrete z steps
** continuous xy movements with discrete z steps
** shopbot's axes:
** shopbot's axes:
*** x: long side of the table - to the right, when sitting at the control
*** x: long side of the table - to the right, when sitting at the control computer
*** y: short wide of the table - forward, when sitting at the control computer
*** y: short wide of the table - forward, when sitting at the control
*** z: vertical
*** z: vertical
* shopbot can handle continuous z, but the toolchain taught here won't go over how to do that
* shopbot can handle continuous z, but the toolchain taught here won't go over how to do that
* workflow: design (CAD) -> layout, tooling, speed (CAM) -> machine (CNC code)
* workflow: design (CAD) -> layout, tooling, speed (CAM) -> machine (CNC code)
** CAD just concerned with the shape to be machined
** CAD just concerned with the shape to be machined
** CAM concerned with the interface between the design, the materials, and
** CAM concerned with the interface between the design, the materials, and the machine
* vcarve: handles CAD & CAM (& can import CAD stuff from other programs)
* vcarve: handles CAD & CAM (& can import CAD stuff from other programs)
**** can also generally be looked up in a chart
**** can also generally be looked up in a chart
*** under 200 in/min, but not too slow
*** under 200 in/min, but not too slow
**** machine can be kept within appropriate operating parameters by
**** machine can be kept within appropriate operating parameters by changing input variables (i.e. varying tool, spindle speed)
*** max on shopbot: ~360 in/min
*** max on shopbot: ~360 in/min
** plunge rate - tool speed in z
** plunge rate - tool speed in z
*** 'job size' establishes material shape in plane
*** 'job size' establishes material shape in plane
*** 'material' establishes material thickness
*** 'material' establishes material thickness
**** nominal thickness should not be trusted - rather, should be
**** nominal thickness should not be trusted - rather, should be measured with calipers by shopbot station
*** 'xy datum' positions origin
*** 'xy datum' positions origin
** design modes
** design modes
