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)