Tekx 101 Midterm Exam Study Guide Solutions

Tekx 101 Midterm Exam Study Guide Solutions Subtractive Manufacturing - ANSWER-Start with block of the material then just remove what is not part of final plate Drilling, cutting etc adv: strength Low-mid production volumes Parts made from functional materials (particularly metal) dis: waste Parts with relatively simple geometries Formative Manufacturing - ANSWER-forming materials into desire shapes by taking existing materials and forcefully molding into new shapes. Molding, stamping, casting, forging. Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024 Copyright ©Stuvia International BV Page 2/10 adv: High volume production of the same part Very low unit price dis: Large initial investment in tooling Additive Manufacturing - ANSWER-The process of joining materials to make parts from 3d model data, layer upon layer as opposed to subtractive and formative methods (3D printing is same as this for juan) adv: Rapid production (ideal for prototyping) Complex designs that formative or subtractive methods are unable to produce dis: Low volume Cost/Advantage Analysis of FM - ANSWER-Cost per part starts high then quickly and sharply decreases as number of parts increases. Cost/Advantage Analysis of AM - ANSWER-The cost per part remains the same as the number of parts increases. Cost/Advantage Analysis of SM - ANSWER-Cost per part starts a little above centre slightly decreases and plateaus on a curve as number of parts increases. CAD (Computer-Aided Design) - ANSWER-First step in 3D print process Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024 Copyright ©Stuvia International BV Page 3/10 Creating a 3D model with solid modeling software Conversion to STL - ANSWER-Second step in 3D print process CAD files must be turned into stereolithography file to be printed; industry standard file for 3D Printers n Printer Software This file describes the external closed surfaces of the original CAD model Transfer to AM machine and STL file manipulation - ANSWER-Third step in 3D print process STl file is brought to the printer. Must be adjusted for size, orientation, position etc A new file with all that information is created (GCODE) Machine Setup - ANSWER-Fourth step in 3D print process The AM machine must be properly set up prior to the build process. (Build parameters, material constraint, layer thickness