CNCCMV2: Difference between revisions

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=Overview=
=Intro=


*The CNC Circuit Mill Version 2 is designed for '''superior ease of sourcing, fabrication, assembly, and disassembly''', combined with '''high performance, scalability, modularity, and lifetime design'''- all at '''low cost'''.
[[CNCCMV2/Overview | CNC Circuit Mill V2 (CNCCMV2): Overview]]


=Key Performance Specifications=
=Design=


*X Axis Travel Range = 20cm
[[CNC Circuit Mill/V2 Design Rationale | Design Rationale]]


*Y Axis Travel Range = 20cm
[[CNCCMV2/CAD | Part Files]]


*Z Axis Travel Range = 5cm
=Build Instructions=


*Step Motor Torque at 12VDC = 3.2kg-cm
[[CNCCMV2/Build_Rationale | Build Rationale]]


*Spindle Max Rotation Speed = 22600rpm no-load
[[CNCCMV2/Sourcing | Sourcing]]


*Spindle Motor Torque at 24VDC = 88.5g-cm at max efficiency
[[CNCCMV2/Structure | Structure]]


*Workpiece Holding Mechanism = Linear Bolt and Tensioning Nut
[[CNCCMV2/Electronics | Electronics]]


=Key Design Specifications=
[[CNCCMV2/Software | Software]]


*Stock Steel Cube-shaped External Structure
=Modularity and Scaling=


*Stock Aluminum Angle-based Internal Structure
[[CNCCMV2/Modularity | Modularity]]


*Step Motor Axis Drive
[[CNCCMV2/Scaling | Scaling]]


*Rotary-to-Linear Motion Converting Stainless Steel Leadscrew and Wear-compensating Leadscrew Nut
=Operation and Maintenance=


*Anti-friction Bronze Sleeve Bearings
[[CNCCMV2/Usage | Operation]]


*Precision Stainless Steel Axis-Supporting Shafts
[[CNCCMV2/Maintenance | Maintenance]]


*Versatile Fastener-based Holding Platform
See also:
 
* [[CNC Circuit Mill]]
*Brushed DC Motor Spindle Drive
* [[CNCCM]]
 
* [[User:Lennywayne | CNC router]]
*Precision Stainless Steel Spindle Shaft
 
*Computer to Microcontroller to Stepper Driver Electronics Pathway
 
*Gcode Streamer to Gcode Interpreter Software Pathway
 
=Key Cost Specifications=
 
*Stock Metal = under 150 USD
 
*Leadscrews and Leadscrew Nuts = under 250 USD
 
*Precision Shafts = under 150 USD
 
*Bearings = under 100 USD
 
*Fasteners = under 70 USD
 
*Electronics = under 300 USD
 
*Software = Open Source
 
=Scaling=
 
*The dimensions of the frame are open to change for accommodating various travel ranges
 
*Different step motors of various power ratings are available for scaled designs
 
http://www.circuitspecialists.com/stepper-motor.html
 
*Scaled-up designs likely require: thicker or larger metal angles, larger diameter supporting shafts and couplings,
 
=
 
=GVCS Product Ecology=
 
=Circuit to Gcode Toolchain=
 
*See following link for list of electronic design suites:
 
http://en.wikipedia.org/wiki/Comparison_of_EDA_software
 
=Sourcing=
 
*Spreadsheet File
 
LINK HERE
 
*Prototyping Spreadsheet
 
<html><iframe width='1200' height='300' frameborder='0' src='
 
https://docs.google.com/spreadsheet/pub?hl=en_US&hl=en_US&key=0AlpsBarfpPkzdFk5aDY3dHM0eEhfZHNkWVppdV9EelE&output=html
 
'></iframe>
</html><br/>
 
*To edit or download the spreadsheet, click on the following link.
 
https://docs.google.com/spreadsheet/ccc?key=0AlpsBarfpPkzdFk5aDY3dHM0eEhfZHNkWVppdV9EelE
 
=

Latest revision as of 02:04, 26 October 2012