Đồ án tốt nghiệp - Constructing and controlling the 3-axis wood engraving laser machine

HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY OF INTERNATIONAL EDUCATION

GRADUATION PROJECT

CONSTRUCTING AND CONTROLLING THE 3AXIS WOOD ENGRAVING LASER MACHINE

NGUYEN HONG NHAN
Student ID: 18142049
LE HUNG LAM
Student ID: 19142115
Major: ELECTRICAL AND ELECTRONIC ENGINEERING
Supervisor: LÊ HOÀNG LÂM, M.S.

Ho Chi Minh City, January 2025

THE SOCIALIST REPUBLIC OF VIETNAM
Independence – Freedom – Happiness
Ho Chi Minh City, January 5, 2025

GRADUATION PROJECT ASSIGNMENT
Student name: Nguyen Hong Nhan

Student ID: 18142049
Class: 18142CLA2

Student name: Le Hung Lam

Student ID: 19142115
Class: 19142CLA2

Major: Electrical and Electronic Engineering
Supervisor: Le Hoang Lam
Date of assignment: September 15th, 2024
6th,2025

Phone number: 0949253277
Date of submission: January

1. Project title: CONSTRUCTING AND CONTROLLING THE 3-AXIS
WOOD ENGRAVING LASER MACHINE
2. Initial materials provided by supervisor:
- Document MR-J2S-A Servo Amplifier_Mitsubishi Electric.
- Document Mach3 CNC Controller Software Installation and
Configuration. (Version 3).
3. Content of the project:
- Research CNC operation using Mach3 software.
- System design.
- Model construct.
- Operate and check.
4. Final product: Report paper, model, laser samples.
CHAIR OF THE PROGRAM

SUPERVISOR

(Sign with full name)

(Sign with full name)

i

THE SOCIALIST REPUBLIC OF VIETNAM

Independence – Freedom– Happiness
-

SUPERVISOR’S EVALUATION SHEET
Student name: ................................................................. Student ID: .............................
Student name: ................................................................. Student ID: .............................
Student name: ................................................................. Student ID: .............................
Major:
.............................................................................................................................................
Project title:
.............................................................................................................................................
............................................................................................................................................
Supervisor:
.............................................................................................................................................
EVALUATION
1. Content of the project:
.......
...

...
University of Technology and Education, Internal circulation
documents.
+ ENGLISH DOCUMENTS
[6] MR-J2S-A Servo Amplifier_ Mitsubishi Electric
[7] Servo EducationBasic Training
[8] CNC Programming with G-code
[9] Mach3Mill_Install_Config
[10] http://www.machsupport.com/
[11] http://www.Vectrics.com/
[12] Vectrics, 2016, Aspire V8.5 User Manual

76

APPENDICES
+ SOME PROBLEMS DURING STARTUP

No.

Sequence
start

Error

Check
No improvement if
CN1A, CN1B, CN2
and CN3 connections
are disconnected

1

Power on

LED not on.
LED is
flashing.

2
Turn servoon (SON).

Dynamic
shaft servo
motor is
locked

Possible causes
go out
1. Power supply voltage
error
2. Servo amplifier
failure

Improved when CN1A
Lack electricity in
and CN1B disconnected
CNP1 wire
1. Power source of the
system
Improved when CN2 is
The encryption cable is
disconnected.
missing.
2. Encoder error
Improved when
Lack of CN3 energy
source.
CN3 is disconnected.
1. Check the display to
see if the servo 1. Input (SON) does not
amplifier is ready for turn on. (Wire error)
2. 24 VDC power is not
operation.
2. Check the external supplied to COM.
I/O signal to see if
servo-on

77

3
Enter
command
input. (Test
operation)

Servo motor
does not
rotate.

Check cumulative
order pulse.

1. Wire fault (a) 24 VDC
power is not supplied
to OPC. (b) LSP and
LSN are not enabled.
2. No input pulse

+ SOME IMPORTANT SIGNAL PINS I/O CONNECTOR

Input
Pin

Symbol

7

NP

CW and CCW pulse
rotation

8

NG

Input source signal

9

PP

Pulse signal

10

PG

12

SG

14

LSN

15

LSP

17

SON

Channel

Source input signal

Function
Pulse input command direction.
Reverse pulse connects NP-SG.
Connect to 5V power source of MACH3
board USB.
Input pulse command.
Connect to 5V power of MACH3 USB
board.

Main power supply

Connect the (-) power of the external
power supply
outside.
To use the setting in parameter number 6
(set _0_). When LSP- SG is disconnected,
End of reverse rotation
the servo motor cannot run in the CW
direction. The servo motor can run
in CWW direction.
To use the setting in parameter number 6
(set _0_). When LSP- SG is disconnected,
End of forward rotation
the servo motor cannot run in the CCW
direction. The servo motor can run
in CW direction.
Connect the SON-SG switch to turn on
the servo.
Servo-ON
Set in parameter number 6 (set _ _1) to
set servo on/off.

78

20

V24

Input source display

24VDC or 5VDC can be used as an
external power source to supply to the
digital input.

79