SKM754C-69-17102513280_0005.jpg - ME 467 Exam 1 Fall 2017 NAME 2 pt 11 In metal direct extrusion what is the means by which the metal is pushed out the

SKM754C-69-17102513280_0005.jpg - ME 467 Exam 1 Fall 2017...

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Unformatted text preview: ' ME 467 Exam 1 Fall 2017 NAME: 2 pt 11. In metal direct extrusion, what is the means by which the metal is pushed out the front of the machine, where the die is located? a. The back-and-forth linear motion of a mixing screw. (E? A ram pushes a metal slug. 0. Direct pneumatic pressure from a pump. d. A screw pulls the metal forward due to screw rotation. 2 pt 12. Name one way to increase the stiffness in a product made of thermoplastic material without changing the material molecular structure or the product shape. '4'” 5»- { #511521 ‘f‘réfms t. if ‘ 1M r“ ; a a: 1.) sg a s» 7.11..) 5,; {-4 111193 £221) (:Ir fight.- {7 I; «w E Allowed: Use Polymer Blend. 2 pt 13. A “draft” in a rolling process for metal is Q A reduction in thickness of a plate b. Beer served to the casting engineers. c. A stiff breeze in the casting shop. d. The angle of the part sidewalls, with respect to the mold separation direction. e. The cross-sectional area of an extrusion die. Page 5 of 13 ...
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