introduction to engineering drawing for mae 177

... you need to forget about all your preconceptions and learn to draw only what you really see in front of you (or in a photo) Two great exercises for training your eye to see are contour drawing ... parallel to the top and bottom, to begin developing its form STEP TWO Using those basic shapes as a guide, start adding more squares and rectangles for the headlights, bumper, and grille Start to develop ... interest to the drawing 13 LEARNING TO SEE Drawing with a Continuous Line When drawing a sketch like the one of this man pushing a wheelbarrow, glance only occasionally at your paper to check...

Ngày tải lên: 26/01/2014, 08:20

... the semester 46 What Did We Discuss Today?  Engineering transforms ideas into useful products  Your classmates are a good source of information  Salaries for engr majors are higher that other ... replaced by complex automation or robotics systems For example, some hospitals have turned to "robotic pharmacies" to help dispense medication It's the engineers who help build these automated systems, ... design to satisfy the given constraints   [ Constraints and optimization ] The “Magic” We Call Engineering Idea ENGINEERING PROCESS Product/ service The Engineering Design Process  Engineering...

Ngày tải lên: 13/02/2014, 20:20

... Example • To find factorial of a number N What is a factorial? Factorial of a number N is N! = 1x2x3x………………x(N-1)xN • 1! = Factorial (1) = • 5! = Factorial (5) = 1x2x3x4x5 = 120 • 7! = Factorial ... equal to ” statement • A = 10; // means assign 10 to A • A = B; // means assign the value of B to A • A = A+1; //means assign the value A+1 // back to A, i.e., increase A by Assignment Operator: ... Range Int Stores integer values EX: 5, -3200 -32,768 to +32,767 Long Stores integer values with extended range EX: 56, 6000, -4,234,128 Stores values with decimal point EX: 1.245, -4.2341 Stores characters*...

Ngày tải lên: 05/03/2014, 18:20

... of all one-forms is a vector space distinct from, but complementary to, the linear vector space of vectors The vector space of one-forms is called the dual vector (or cotangent) space to distinguish ... practical way to perform calculations To simplify calculations it is helpful to introduce a set of linearly independent basis vector and one-form elds spanning our vector and dual vector spaces ... refer to ~ as a dual basis vector to contrast it from both the basis vector ~ and the basis one-form e The dots are present in equation (43) to remind us that a ~ one-form may be inserted to give...

Ngày tải lên: 17/03/2014, 14:28

... directo ry c : \ matlab Then the toolbox directory is a subdirectory under the directory c : \matlab, and symbolic is a subdirectory under the toolbox directory The path tells us and MATLAB how to ... The Set Path tool is a graphical intetface for worki ng with files and directories Type path tool to start the browser To save the path settin crs click on Save in the tool To restore the default ... Directory wi ndow Across the top of the Desktop are a row of menu names, 'Ind a row of icon s ca ll ed the too/bar To thc right of the too lbar is a box showing th e directory where MATLAB looks for...

Ngày tải lên: 23/03/2014, 17:15

... preference for the more compressed form, you can't multiply your vectors, Or can you? Well, all you have to is to translate your vectors into my matrices, multiply them and change them back to vectors ... they want to memorise the minimum required to pass the exam (and then forget it) I exaggerate of course For reasons owing to geography and history, this University is particularly fortunate in ... into something intelligible Carried to excess this leads to avoidance of abstraction and consequent loss of power later; there is a good reason for the purist's desire for rigour But it asks too...

Ngày tải lên: 27/03/2014, 11:51

... needs Some books fail to build on what the student is supposed to have learned prior to taking a numerical analysis course For example, it is common for engineering students to take a first-year ... electrical and computer engineering curricula Engineering past Engineering present Engineering future Christopher Zarowski TLFeBOOK Functional Analysis Ideas 1.1 INTRODUCTION Many engineering analysis ... AN INTRODUCTION TO NUMERICAL ANALYSIS FOR ELECTRICAL AND COMPUTER ENGINEERS TLFeBOOK TLFeBOOK AN INTRODUCTION TO NUMERICAL ANALYSIS FOR ELECTRICAL AND COMPUTER ENGINEERS Christopher J Zarowski...

Ngày tải lên: 31/03/2014, 15:09

... beginner's introduction to chemical thermodynamics for engineers According to the author's experience in teaching physical chemistry, chemical thermodynamics is the most difficult part for junior ... thermodynamics stems mainly from the fact that it appears too conceptual and much too complicated with many formulae In this textbook efforts have been made to visualize as clearly as possible the main concepts ... then obtained in the form similar to Eq 3.3 as shown in Eq 3.5: U_ k T2 ( O ln Z ) \ OT v,N" (3.5) For a system consisting of the total number of particles N and maintaining its total energy U and...

Ngày tải lên: 02/04/2014, 16:43

... measurements From: Introduction to Proteomics: Tools for the New Biology By: D C Liebler © Humana Press, Inc., Totowa, NJ 27 28 Tools of Proteomics Fig General flow scheme for proteomic analysis ... Humana Press Totowa, NJ iv © 2002 Humana Press Inc 999 Riverview Drive, Suite 208 Totowa, New Jersey 07512 humanapress.com For additional copies, pricing for bulk purchases, and/or information about ... development is the introduction of user-friendly, browser-based bioinformatics tools to extract information from these databases It is now possible to search entire genomes for specific nucleic...

Ngày tải lên: 08/04/2014, 13:07

Ngày tải lên: 24/04/2014, 17:09

... to society’s problems This text covers introductions to bioengineering, chemical engineering, civil engineering, computer and electronic engineering, control systems engineering, electrical engineering, ... chemical engineering, civil engineering, computer and electronic engineering, control systems engineering, electrical engineering, electrochemical engineering, materials engineering, manufacturing engineering ... are given to selected exercises to encourage students to work toward self-proficiency Part covers introductory material explicitly from the following engineering subdisciplines: bioengineering,...

Ngày tải lên: 28/06/2014, 22:20

... motion required in order for workers to their jobs For example, a tool box can be used by an operator or a maintenance staff who must use various tools In the tool box, every tool is placed at a fixed ... likely need to be stored as inventory for a least some time because it can not all be processed at once • Sometimes the use of scrap should be maintained as inventory for future use in order to maximize ... responsibility to the machine operators, maintenance problems are less likely to occur and therefore machine downtime can be reduced This also requires the operators to frequently update to the maintenance...

Ngày tải lên: 25/07/2014, 13:44

... of Engineering Drawing 1.0 Introduction This book is a foundational book for manufacturing engineering students studying the topic of engineering drawing Engineering drawing is important to manufacturing ... correct transmission of engineering design information for manufacturing and assembly This book is meant to be a short introduction to the subject of engineering drawing for manufacture It is only ... needed for engineering artefacts because the instruction to manufacture something given to a subcontractor has financial as well as legal implications Engineering drawing is a form of engineering...

Ngày tải lên: 08/08/2014, 17:20

... the damages awarded to a contractor because of poor design bankrupted a subcontractor 1.6 Requirements of engineering drawings Engineering drawings need to communicate information that is legally ... rely on other drawings for complete specification, e.g detailed drawings and assembly drawings The drawing must be suitable for duplication A drawing is a specification which needs to be communicated ... sheet Figure 1.10 A typical blank sheet usedfor engineering drawing _ 16 Engineering drawing for manufacture on each drawing, one of which points towards the draughtsman's viewing position A...

Ngày tải lên: 08/08/2014, 17:20

... need to give sufficient information for the part to be manufactured One should try to avoid giving more views than Projection methods 43 is necessary because this just tends to complicate a drawing ... would be a view 42 Engineeringdrawing for manufacture perpendicular to the inclined face Such an inclined view would not fit comfortably within the six views of the bracket and therefore would be ... developments For example, the top and bottom small faces could have been connected to (projected from) the back face (the 'bowl game' face) rather than as shown Alternatively, the top and bottom faces...

Ngày tải lên: 08/08/2014, 17:20

... t~#e 'B' 50 Engineeringdrawing for manufacture ISO Type 'C' Line i Thin, wavy, continuous !\\\\%.\~"~( ~ Limitof section k "~.~.~ ~ _ j / Limitof interruptedview -~'\-~ For freehand drawings Figure ... interrupted view h.\ \\ = ~ ~ ~

Ngày tải lên: 08/08/2014, 17:20

... the valve tends to jump out of 5, y s , -I i ,It=,,,, I _ ~ ~t I~21 -2O 19 w Figure 4.3 A spool valve with dimensions I 70 Engineeringdrawing for manufacture the drawing page and into the eye of ... previous ISO standards With reference to Figure 4.6, the dimensions on the drawing which not conform to the current ISO 129-1:2003 convention but which conform to previous versions of the standard ... feature shall be dimensioned only once on a drawing' However, there are instances when there is a need for something to be dimensioned twice for information purposes An example is shown in Figure...

Ngày tải lên: 08/08/2014, 17:20

... financial penalty for a company A company produced a design drawing for a particular part which they sent out to a subcontractor for manufacture The part was manufactured according to the drawings and ... 5.5 ISO tolerance rangesfor various situations 94 Engineeringdrawing for manufacture Figure 5.6 ISO tolerance ranges for a variety of manufacturing processes 5.4 Limits and fits The tolerance ... different numbers of zeros after the decimal marker For example, a drawing may say: 82 Engineeringdrawing for manufacture 'All tolerances to be as follows: X X (e.g 20) means +_O,5mm, XX, X (e.g...

Ngày tải lên: 08/08/2014, 17:20

... by 60urn 104 Engineeringdrawing for manufacture 5.6 Geometric tolerances GTs apply variability constraints to a particular feature having a geometrical form A GT can be applied to any feature ... 1101:2002, Geometrical Tolerancing- Tolerances of Form, Orientation, Location and Run Out, 2002 Mimtoyo, The Mitutoyo Engineers Reference Book for Measurement & Quality Control, Mimtoyo (UK) Ltd, 2002 ... Figure 5.13 refer to 'line profile' and 'area profile' GTs The former applies to a line and the latter to an area The symbol for a line profile GT is an open semicircle and the symbol for an area profile...

Ngày tải lên: 08/08/2014, 17:20