Thu Dau Mot University Journal of Science


By Ngo Bao, Tran Thi Vinh
DOI: 10.37550/tdmu.EJS/2024.01.518


This article's primary goals are to provide design drawings, a description of the
structure, an explanation of the working principle, and a kinematics calculation for text
stamping machines. This machine has an electric motor, a gear-pinion transmission, a
rotating disc-rod-slider mechanism and a hinged four-way mechanism. This is a simple,
reasonably priced and useful device for administrative agencies' workstations. An
ordinary administrative worker can also operate it. This device is about the same size
as a laptop or printer.
It operates by clamping the seal, stamping constantly onto A4 pages. The stamping
speed can also be changed by varying the shaft speed of the electric motor. It is
convenient, but it also has the disadvantage of requiring someone to put the paper in
and take it out.
The box frame of this machine is made of plastic or wood. Some transmission
components are made of steel. When this machine works, the force applied to it and the
force caused by it are very small, so in general it is very simple and safe.
Keywords: Gear transmission – rack, rotating disc mechanism – connecting rod –
slider, four-hinged mechanism, stamping machine.

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Publication Information


Thu Dau Mot University, Viet Nam

Honorary Editor-in-Chief and Chairman of the Editorial Board

Assoc. Prof. Nguyen Van Hiep

Deputy Editor-in-Chief

PhD. Trần Hạnh Minh Phương
Thu Dau Mot University

Editorial Board

Prof. Tran Van Doan
Fujen University, Taiwan
Prof. Zafar Uddin Ahmed
Vietnam National University Ho Chi Minh City

Prof.Dr. Phillip G.Cerny
The University of Manchester, United Kingdom
Prof. Ngo Van Le
University of Social Sciences and Humanities (VNU-HCM)

Prof. Bui The Cuong
Southern Institute of Social Sciences​​​​​​​
Prof. Le Quang Tri
Can Tho University

Assoc. Prof. Nguyen Van Duc
Animal Husbandry Association of Vietnam
Assoc. Prof. Ted Yuchung Liu
National Pingtung University, Taiwan

PhD. Anita Doraisami
Economics Monash University, Australia
Prof. Dr. Andrew Seddon
Asia Pacific University of Technology & innovation (APU)

Assoc. Prof. Le Tuan Anh
Thu Dau Mot University
Prof. Abtar Darshan Singh
Asia Pacific University, Malaysia

Prof.Dr. Ron W.Edwards
The University of Melbourne, Australia
Assoc. Prof. Hoang Xuan Nien
Thu Dau Mot University

PhD. Nguyen Duc Nghia
Vietnam National University Ho Chi Minh City
PhD. Bao Dat
Monash University (Australia)

PhD. Raqib Chowdhury
Monash University (Australia)
PhD. Nguyen Hoang Tuan
Thu Dau Mot University

PhD. Nguyen Thi Lien Thuong
Thu Dau Mot University


Nguyen Thi Man
Thu Dau Mot University