Collection of selected, peer reviewed papers from the 4th International Workshop of Advanced Manufacturing and Automation (IWAMA 2014), October 27-28, 2014, Shanghai, China. The 97 papers are grouped as follows: Chapter 1: Mechanisms and Machine of Manufacturing Systems, Chapter 2: Advanced Manufacturing Technologies, Chapter 3: Measurements, Monitoring and Analysis of Manufacturing Systems, Chapter 4: Mechatronics, Robotics and Control, Chapter 5: Intelligent Manufacturing Systems, Chapter 6: Production, Logistics and Supply Chain Management.