Drilling and tapping cast steel
Technique of drilling and tapping blind holes in cast steel on a radial drill. A drill jig with loose bushings is used for locating the holes. Setting up the work on the table of the machine, setting the jig on the piece to the layout lines. Calculating the size of the tap drill and the method used when setting the machine to drill a number of holes to the same depth. A wizard drill chuck is used in the drilling operation, and a standard friction chuck for holding the tap. The action of a tap in a hole is shown in animation and the reason why a tap binds in the hole and must be reversed frequently when tapping in tough metals.
Indiana University Audio-Visual Center; U.S. Office of Education
Educational; Instructional; Training
Drill presses ; Steel, Cast
- Rights Statement
- No Copyright - United States
- Physical Description
1 Film (0:18:03); 16mm
Gift to the IUB Libraries from Instructional Support Services.
Copyright Date: 1941
- Other Identifiers
IULMIA Film Database: 40000003227388; Other: GR00439693; MDPI Barcode: 40000003227388
This item is accessible by: the public.