MAKING A PATTERN FOR A THREE-PART MOLD

Duration: 20 min

Year Published: 1944

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

Color: B&W

Sound: Optical sound

Description: Gives reasons for the three-part pattern. Tells how to make the layout, segment the body or center section, eliminate and lay out the core prints, use the layout, assemble the pattern, allow for draft, and shellac the pattern. From the PRECISION WOOD MACHINING series. Fundamentals of Patternmaking, No. 2