Application of Computer Aided 3D CAD Technology in Mechanical Manufacturing and Automation

With the development of computer-aided technology, the application of computer-aided 3D CAD technology in mechanical manufacturing has become more and more extensive. And it has brought new breakthroughs to the machinery manufacturing industry. This article analyzes the characteristics and functions of 3D CAD technology and its application in mechanical manufacturing design, and it also analyzes the characteristics of mechanical automation control systems. In addition, this article also conducts research on the design of mechanical automation control system.

Failures of Bridge Components

This article provides the framework for the investigation of bridge failures. It explains the types of bridge loading and presents the regulatory provisions for bridges. Some bridge failures in the U.S. that resulted in significant changes in bridge manufacturing, design, regulation, and/or maintenance are also discussed. In addition, the article provides information on traffic damage and fatigue cracking that result in bridge failures. The need for steels with better fracture toughness in bridge design is also discussed.