Students:
Tha’er Dwikat
Abd Alhameed Bahish
Supervisor:
Dr. Bahaa Shaqour

Three axis Laser engraver CNC Machine
7-6-2023

An Najah National University
 Faculty of Engineering and Technology
Department of Mechatronics engineering




Outline 
Introduction
Mechanical Design
Electrical Components
Software and Programing
Tests and Results
Conclusions



Figure 1.1: CNC Operation Components
WHAT IS COMPUTER NUMERIC CONTROL CNC ?

CNC is a manufacturing method that automates the control, movement and precision of machine tools through the use of preprogrammed computer software.


Mechanical Design
Body Structure

Plywood

SolidWorks design


Transmission System
Convert motor rotation to linear motion





8mm lead ,2 mm pitch ACME thread lead screw


Linear guide rails with bearings


MACHINE STRUCTURE
Rotation Y axis with table





MACHINE STRUCTURE
X Axis 




MACHINE STRUCTURE
Z Axis will tool




Figure 2.9: Final Design
MACHINE STRUCTURE
Final assembly





Electrical components 

NEMA 17  1.2A
25 N.CM stepper motor
A-4988 with heatsink



Laser Engraver 1W
Wavelength: 450nm
DC 12V,1-3A
Focusable


CONTROLLER

GRPL 4.0 CNC


PC POWER SUPPLY 
INPUT VOLTAGE : 240 VAC 50HZ

OUTPUT VOLTAGE : 12 VDC

MAX. OUTPUT CURRENT: 15A

HIGH EFFICIENCY

SHORT-CIRCUIT PROTECTION 
OVER-CURRENT PROTECTION OVERLOAD PROTECTION




SOFTWARE
Connecting overview



Figure : UGS User Interface
UNIVERSAL G-CODE SENDER





Figure : Jog Controller
JOG CONTROLLER





Figure : Controller State Monitoring
CONTROLLER STATE MONITOR




Figure : Toolbox and state
TOOLBOX 



Figure : Command Box And Visualization 
COMMAND BOX AND VISUALIZATION 


G code instructions






RECOMMENDED SETTINGS


Test and Results
Straight lines 




Angled lines



ARCS AND CIRCLES 

G1 X0 Y0 F250;
M3s1000;
  G2 X10 Y0 I5 J0 F85; 
 G3 X20 Y0 I5 J0 F85;
m5; 


Overall cost of machine




THANKS FOR WATCHING

 



Appendix and extra slides



ACTUAL CONNECTION




Work flow chart of CNC















LIMITATIONS
LEAD AND RESOLUTION

BACKLASH


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