John M Hagstrom

Title: The Innovative Contributions of John M. Hagstrom

Introduction

John M. Hagstrom is a notable inventor based in Elmhurst, Illinois. He has made significant contributions to the field of numerical control technology. His innovative approach has led to the development of a unique method and apparatus that enhances contouring through coordinated motions along multiple axes.

Latest Patents

Hagstrom holds a patent for a "Method and apparatus for numerical control." This invention is characterized by the creation of desired velocity signals supplied as primary inputs to velocity servos. These servos are coupled to drive a member relatively along the respective axes. The system utilizes a digital computer with an adjustable interrupt clock that measures successive time periods, supplying changeable velocity command number signals to each servo. This method aims to achieve zero following error and corrects itself if the position error becomes appreciable.

Career Highlights

Hagstrom is associated with Danly Machine Corporation, where he has applied his expertise in numerical control systems. His work has contributed to advancements in manufacturing processes, particularly in precision machining and automation.

Conclusion

John M. Hagstrom's innovative work in numerical control technology exemplifies the impact of inventors in enhancing industrial processes. His contributions continue to influence the field and inspire future advancements.