Development of a new and simple quick-stop device for the study on chip formation

After a brief survey in the literature, this paper described how a new, simple and effective quick-stop device was developed for the study of chip formation without employing any explosive charges or breaking any shear pins. A cutoff tool was employed to obtain orthogonal cutting on an engine lathe, imposing the device to collect chip-root sample. Design considerations of the device elements are indicated. Operation of this purely mechanical device is simple and safe. The developed device has been found to give stable and reliable performance. Many photomicrographs of very satisfactory results were obtained, showing that this device successfully served the purpose of providing a research instrument for the study on chip formation. Finally, the formation of a continuous-type chip with a built-up edge is discussed.