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

GRADUATION PROJECT

RESEARCH AND DESIGN A VIBRATION-ASSISTED
ELECTRICAL DISCHARGE MACHINING USING
FLEXIBLE MECHANISM

Major: MACHINE MANUFACTURING TECHNOLOGY
Advisor: PHAM HUY TUAN, Assoc. Prof. Dr.

Ho Chi Minh City, July 2024

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

GRADUATION PROJECT

RESEARCH AND DESIGN A VIBRATION-ASSISTED
ELECTRICAL DISCHARGE MACHINING USING
FLEXIBLE MECHANISM
Major: MACHINE MANUFACTURING TECHNOLOGY

Advisor: PHAM HUY TUAN, Assoc. Prof. Dr.

Ho Chi Minh City, July 2024

Faculty of International Education - Ho Chi Minh City University of Technology and Education

HCMC UNIVERSITY OF TECHNOLOGY
AND EDUCATION
FACULTY OF INTERNATIONAL
EDUCATION

THE SOCIALIST REPULIC OF
VIETNAM
Independence – Freedom – Happiness

CAPSTONE PROJECT ASSIGNMENT
Advisor: PHAM HUY TUAN, Assoc. Prof. Dr.
Students ‘s name: Hoang Minh Thang

Student ID: 20143209

Students ‘s name: Trinh Vu Nguyen Long

Student ID: 20143222

Students ‘s name: Nguyen Tien Truong

Student ID: 20143213

1. Project title:

RESEARCH AND DESIGN A VIBRATION-ASSISTED ELECTRICAL
DISCHARGE MACHINING USING FLEXIBLE MECHANISM
2. Initial material provided by the advisor:

− PZT actuator: P-225.10 PICA Power Piezo Actuator
3. Content of the project:

− Research has been conducted on the principles and characteristics of
Electrical Discharge Machining (EDM) as well as the principles of
vibration-assisted machining methods. Additionally, studies have focused
on exploring the structures and design principles of vibration-assisted tools
that are integrated into the electrode holder of EDM machines.
4. Expected products:

− Capstone report
− Design drawings
5. Date of assignment:
6. Date of submission:
7. Presentation language:

The report:

English



Vietnamese



Presentation:

English



Vietnamese



DEAN

HEAD OF DEPARTMENT

ADVISOR

(sign with full name)

(sign with full name)

(sign with full name)

Faculty for High Quality Training - Ho Chi Minh City University of Technology and Education

DISCLAIMER
We certify that this graduation project is my own research that I implemented and
studied on my own.
The data and figures presented in the report were cited and referenced source
annotations. They are all true and trustworthy and this thesis has not yet been published in any
prior research or studies.
Ho Chi Minh City,
(Sig
...

...
ucation
w1*L2

1 0.007693 0.007693

2.31

0.159

w1*L1

1 0.030021 0.030021

9.03

0.013

L2*L1

1 0.000000 0.000000

0.00

0.996

Error

10 0.033256 0.003326

Total

24 0.689443

Model Summary
S

R-sq R-sq(adj) R-sq(pred)

0.0576679 95.18%

88.42%

65.75%

Coded Coefficients
Term

Coef SE Coef T-Value P-Value

VIF

Constant

0.0335

0.0249

1.34

0.209

W

0.0909

0.0136

6.69

0.000 1.00

w1

-0.1147

0.0136

-8.44

0.000 1.00

L2

-0.0274

0.0136

-2.02

0.072 1.00

L1

0.0415

0.0136

3.05

0.012 1.00

W*W

0.0174

0.0361

0.48

0.641 1.98

w1*w1

0.0735

0.0361

2.03

0.069 1.98

L2*L2

0.0155

0.0361

0.43

0.677 1.98

L1*L1

0.0083

0.0361

0.23

0.823 1.98

W*w1

-0.0830

0.0144

-5.75

0.000 1.00

W*L2

-0.0276

0.0144

-1.91

0.085 1.00

W*L1

0.0300

0.0144

2.08

0.064 1.00

w1*L2

0.0219

0.0144

1.52

0.159 1.00

w1*L1

-0.0433

0.0144

-3.00

0.013 1.00

L2*L1

0.0001

0.0144

0.00

0.996 1.00

Regression Equation in Uncoded Units
Defor
m

= -0.061 + 0.0295 W - 0.0586 w1 - 0.0253 L2 + 0.0023 L1 + 0.00070 W*W
+ 0.01838 w1*w1
+ 0.00387 L2*L2 + 0.00208 L1*L1 - 0.00830 W*w1 - 0.00276 W*L2
+ 0.00300 W*L1
+ 0.00548 w1*L2 - 0.01083 w1*L1 + 0.00002 L2*L1

75

Faculty of International Education - Ho Chi Minh City University of Technology and Education

APPENDIX – A2
Design of body with compliant mechanism
Material: AL7075

Qty: 01Ea/01Set

76

Faculty of International Education - Ho Chi Minh City University of Technology and Education

Design of base plate
Material: AL6061

Qty: 01Ea/01Set

77

Faculty of International Education - Ho Chi Minh City University of Technology and Education

Design of connecting shaft
Material: S45C

Qty: 01Ea/01Set

78

Faculty of International Education - Ho Chi Minh City University of Technology and Education

Design of connecting shaft

Material: SUS

Qty: 01Ea/01Set

79

Faculty of International Education - Ho Chi Minh City University of Technology and Education

Design of retainer plate

Material:Black POM

80

Qty: 01Ea/01Set

Faculty of International Education - Ho Chi Minh City University of Technology and Education

Design of connecting head
Material: Blue MC

Qty: 01Ea/01Set

81

Faculty of International Education - Ho Chi Minh City University of Technology and Education

Design of cover
Material: Black POM

82

Qty: 01Ea/01Set

Faculty of International Education - Ho Chi Minh City University of Technology and Education

Design of connecting tip
Material: SUS

Qty: 01Ea/01Set

83