Mechanical Engineering Drawing MENG 204 Summer Semester 2015 By: Dr. Ghassan Mousa

Important notes Instructors: Dr. Ghassan Mousa gmalshareef@gmail.com or gmousa@kau.edu.sa Eng. Mamdouh Al-Gendy mam_algindy@yahoo.com Lecture 9:20 – 11 AM sun Lab 9:20 – 11 AM Tus & Thr Grading: Attendance 5 % Quizzes 10 % Major Exams 40 % Class Work 10 % Final Exam 35 %

Drawing and communication http://en.wikipedia.org/wiki/Drawing_Hands#/media/File:DrawingHands.jpg http://www.aramcoworld.com/issue/200807/popup.htm?img=images/artrocks/ROCKS_14_51217_lg.jpg

Engineering drawing It’s a communication tool that is used to deliver ideas and information to the maker using: Geometry Diminutions Tolerance Material Finishing https://http://www.dreamstime.com/stock-images-engineering-drawing-gear-trammel-pencil-draft-d-image33149534

Geometry http://en.wikipedia.org/wiki/Engineering_drawing#/media/File:First_angle_projection.svg

Dimensions http://www.tatra.cz/nakladni-automobily/odvetvovy-katalog/tezarstvi/dalsi-vozy/8x8-jednostranny-sklapec-1/

Tolerance http://www.maelabs.ucsd.edu/mae_guides/Tolerance/Tolerancing.htm http://en.wikipedia.org/wiki/Engineering_tolerance#/media/File:Mechanical_Tolerance_Definitions.svg

SolidWorks benefits Easy to use and to modify drawings. Allows determine material properties, mass, etc. FEA, simulation and kinematics studies. Files used in machining and 3D printing. Animation. https://www.solidworks.com/beta/documents/2014-ed-hawkins-round-4-2nd.jpg

Mechanical and metal trades handbook Drawing paper Mechanical and metal trades handbook

Mechanical and metal trades handbook Lines Solid line, thin: dimensions and extensions. Solid line, thick: visible edges and outlines. Dashed line, thin: hidden edges. dot-dash line, thin: center lines, line of symmetry. Mechanical and metal trades handbook

Mechanical and metal trades handbook Dimension Running dimension spacing Coordinate dimension Mechanical and metal trades handbook

Views broken view Partial view Moving parts Simplified penetration Mechanical and metal trades handbook

Mechanical and metal trades handbook Sections Hatching of sections Mechanical and metal trades handbook

Mechanical and metal trades handbook Hatching Mechanical and metal trades handbook

Chamfering and threading Mechanical and metal trades handbook

Mechanical and metal trades handbook Threading dimensions Mechanical and metal trades handbook

Mechanical and metal trades handbook Surface finish Mechanical and metal trades handbook

Mechanical and metal trades handbook Surface finish (exp.) Mechanical and metal trades handbook