Development of customized positioning guides using computer-aided design and manufacturing technology for orthognathic surgery

2015 ◽  
Vol 10 (12) ◽  
pp. 2021-2033 ◽  
Author(s):  
Hsiu-Hsia Lin ◽  
Hsin-Wen Chang ◽  
Lun-Jou Lo
2021 ◽  
Vol 11 (1) ◽  
pp. 144-153
Author(s):  
Zahraa Falah Jali ◽  
Faizah Ibrahim Mahmoud Al-Ghabban

The research aims to identify and apply computer-aided design and Manufacturing technology and its impact on improving product quality and rationalizing costs. The research also aims to spread awareness among departments and workers of the company in question about the importance of computer-aided design and Manufacturing technology and urging them to shift design from manual to computer-aided design. Here, the importance of research emerged because of the flexibility that computer-aided design and Manufacturing technology provideded in formulating, designing and producing the product, and here a problem arose. Researching the necessity of shifting design and production to automated technologies to improve product quality and rationalize cost and time by reducing the number of workers, increasing their efficiency and effectively utilizing information.


2021 ◽  
Vol 159 (1) ◽  
pp. 86-96
Author(s):  
Fernando César Moreira ◽  
Luis Geraldo Vaz ◽  
Antonio Carlos Guastaldi ◽  
Jeryl D. English ◽  
Helder B. Jacob

Author(s):  
L Q Tang ◽  
D N Moreton

The timing scroll is an important feeding mechanism on packaging lines. As packaging line speeds have increased and the shape of containers has become more diverse, the techniques used for the design and manufacture of such timing scrolls have become critical for successful packaging line performance. Since 1980, various techniques have evolved to improve scroll design, manufacture and the associated line performance. In recent years, as CAD (computer aided design), CAM (computer aided manufacture) and CNC (computer numerical control) techniques have evolved, scroll design and manufacturing techniques began to be linked with computer techniques. In this paper, a scroll design and manufacturing package is presented which can be run on a minicomputer, such as a μ-VAX on an IBM PC clone. This scroll package can produce a timing scroll for any type of container with a correct pocket shape and good dynamic characteristic. Tests using carefully chosen containers have been made using this package and the results indicate that the scrolls obtained by this package have the correct pocket shape and good line performance. However, the design of a good pick-up geometry for some container shapes remains a problem.


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