MILLING A HELICAL GROOVE

Duration: 28 min

Year Published: 1943

Creator: Office of Education (Department of Health, Education, and Welfare)

Color: B&W

Sound: Optical sound

Description: Explains how to mill a helical groove in a cylindrical shaft, how to select and set the machine gears for milling a helical groove with any lead and how to use the dividing head. Explains lead and backlash. From the MACHINE SHOP WORK series. Operations on the Vertical Milling Machine, No. 4