CNCCMV2/Overview

=Performance=


 * X Axis Travel = under 225mm


 * Y Axis Travel = under 225mm


 * Z Axis Travel = under 120mm


 * Step Motor Resolution = 1.8 degrees per step


 * Accuracy = +/- 5%


 * Step Motor Torque = XXkg-cm at 12VDC


 * Spindle Speed = 1050Kv


 * Repeatability Goal: +/- 0.01mm


 * Nominal Milling Speed (Copper on FR-4):

=Design=


 * Major Frame Type: Mobile Gantry


 * Minor Frame Type: Blocks on Plate, Double Drive X Axis


 * Axis Drive: Step Motor


 * Rotary-to-Linear: Ultra-smooth Threaded Rod and Wear-compensating Nut


 * Anti-Friction: Bronze Sleeve Bearings


 * Axis Supports: Precision Stainless Steel Shafts with Holding Collars


 * Working Platform: Magnets and Reference Holes on Platform


 * Spindle Drive: Brushless DC Outrunner Motor


 * Spindle Shaft: Precision Stainless Steel Shaft


 * Kinetic Transfer: Shaft Couplings


 * Control Electronics: Computer, Microcontroller, Stepper Driver


 * Control Software: Gctrl (Gcode Streamer), GRBL (Gcode Interpreter)