Modern world is turning into a new age of technology and advancement. Old conventional CNC machines are heavy and difficult to transport providing a less accurate and precise work according to the modern era. Our project relates with the idea of engraving, cutting, and image printing on hardware usi
2D CNC Based LASER Engraver
Modern world is turning into a new age of technology and advancement. Old conventional CNC machines are heavy and difficult to transport providing a less accurate and precise work according to the modern era. Our project relates with the idea of engraving, cutting, and image printing on hardware using ecofriendly methods of laser working using less amount of electrical power and also with the novelty of portable handy machines for workers to work and transport. Idea emerges with the folding of one axis with accordance to other axis, havig the size of a 1.5 by 1.5 feet CNC machine. Using stepper motors and tooth pulley we précised the motion of laser. By this laser CNC we are engraving on objects with varying height. Image engraving and printing is done by open source soft wares of Inkscape and Universal G-code sender. Final project is working and providing a great deal of precision and engraving on a vast variety of objects.
AIMS AND OBJECTIVES
Portable Design:
Our one of the greatest challenge was to build a CNC machine that is portable and easy to use. Our project deals with a design that is handy to transport and provides a great deal of precision. Along with the working on relatively larger workspace than the ones conventionally available.
Homing:
In homing the tool adjust its position by re-setting the motors to the initial positions and getting the tool back to the starting point.
Actuation:
Once the device is homed the tool must be repositioned within the frame to keep it on the plan. It can be done by dividing it into two parts.
Laser Power Adjustment:
Power of laser can be adjusted according to the material and purpose. As in case of cutting more power is used then engraving. Also engraving on different objects uses different amount of enough energy to do the work hence allowing us to save energy intelligently.
First of all, image or the word to engrave is fed to Inkscape open source software.
Devise a method which allows us to fabricate objects with very less material wastage and printing complex structures on objects with relatively greater precision and less time at the same time while being cost and energy efficient.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| T-slot Aluminum Profiles | Equipment | 4 | 2974 | 11896 |
| Arduino CNC Shield | Equipment | 1 | 523 | 523 |
| Arduino uno | Equipment | 1 | 550 | 550 |
| Stepper Motor – NEMA 17 | Equipment | 3 | 900 | 2700 |
| A4988 stepper motor driver NEMA 17 driver | Equipment | 3 | 200 | 600 |
| GT2 pulley 5mm bore 20 teeth for NEMA 17 stepper motor | Equipment | 6 | 300 | 1800 |
| Stepper connector and wires | Equipment | 3 | 100 | 300 |
| AC to DC power supply | Equipment | 1 | 700 | 700 |
| Sliding Bearing | Equipment | 6 | 320 | 1920 |
| 8mm 500mm Stainless Steel Smooth rod | Equipment | 6 | 1550 | 9300 |
| GT2 Belt | Equipment | 1 | 838 | 838 |
| 15 watt laser module | Equipment | 1 | 25000 | 25000 |
| 3D printed parts | Equipment | 14 | 950 | 13300 |
| Laser Mounting bracket | Miscellaneous | 1 | 3000 | 3000 |
| miscellaneous | Miscellaneous | 4 | 1625 | 6500 |
| Total in (Rs) | 78927 |
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