SKM754C-69-17102513280_0012.jpg - ME 467 Exam 1 Fall 2017 NAME 4 pt 23 You are to make the product noted in the drawing below using injection molding

SKM754C-69-17102513280_0012.jpg - ME 467 Exam 1 Fall 2017...

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Unformatted text preview: ME 467 Exam 1 Fall 2017 NAME: 4 pt 23. You are to make the product noted in the drawing below, using injection molding. The 50%;? used is polystyrene, which has an injection molding pressure of between 8000 psi to 10,0 psi. You have 4 machines to choose from; the higher the model number, the higher the cost to use the machine. The machine specs are summarized in the table on the next page. Only one product is made in the mold at a time. You want to use the lowest cost machine possible. a) Clearly draw your desired mold pull direction in your own sketch or on one of the images, using opposing arrows. (6 9). b) Designate the proper machine to use, based solely upon these three criteria. Show your work for full credlt. \/ Injection Pressure [0 ’4 5T1: 9 4’“ V M‘fiJ‘W" 0 Shot volume (assume 15% scrap for runners and sprue in shot volume) / - Clamp tonnage m 0 Minimum machine cost A Pn‘jaanI 31“” , gr ', CV54”) :Q, 1f\(151>' MMQ— ”MSW”: ,3» 1.95.2337. 012+ cw . 14/47 ““6"“ X“ {‘4 Cal/1.059 , . OKP PM ’5‘ 233m) w ~ '1 1/ (“FM ISOMETRIC VIEW Dimensions in inches V1 in “134414 5/ 5 may/6M1“ Page 12 of 13 ...
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