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Excerpt from A Course in Elementary Mechanical Drawing These instruments and materials are all that are absolutely required up to the time of commencing.
Table of contents
Students are introduced to fundamental knowledge and skills such as line work, lettering, scale use, and sketching, multi-view drawings, sectional views, with the basics of manual drafting techniques and the use of drafting equipment.
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Students are introduced to a continuation of technical drawing fundamentals. Auxiliary views, descriptive geometry, patterns and developments and dimensioning and notation are emphasized. Welding drawings are covered. Experience with view visualization will prepare the student for CAD fundamentals.
This is an introductory course in the application of formal project management skills in conjunction with the engineering design process solving product design problems. The formal design solution is guided by the concepts of project management. The solution is presented in the form of a formal presentation that includes Power Point, demonstration, engineering working drawings, bill of material, estimates of time, material, and labor costs, with other reports as required.
This course is a study of electrical and electronic diagrams. Students learn electronic symbols and the use of these symbols to draft and design schematic diagrams, micro-electronic diagrams, printed circuit diagrams, electrical power systems and electrical drawings for architectural plans. An introductory course where students learn of areas in engineering in which computers are commonly used. Computer hardware, software and programming are introduced. Topics include reporting, calculation, drafting, analysis, computer aided design, numerical control, rapid prototyping and direct material deposition.
The student will gain hands-on experience in these areas. Under the supervision of the college and the employer, the student combines classroom learning with work experience.
Engineering Design
Includes an orientation to co-op component. In this course, the student studies the principles of forces as applied to trusses, frames, beams, walls and machine parts. The student will gain experience by solving problems graphically and mathematically. The course covers the study of vectors, forces, resultants and equilibrium. In this course, the student studies the principles of dynamics as applied to linear motion and angular motion. The course covers kinematics and kinetics of rectilinear motion, curvilinear motion and kinematics and kinetics of rotation.
An introductory course in mechanics of materials, analysis and design of members subjected to various combinations of loading, stress and strain, beams, columns and members in torsion. In-class experiments investigate the response of deformable bodies to applied loads. A study of mechanical components including gear trains, belt, chain and disk drives, cams, levers, linkage mechanisms and Geneva mechanisms. Laboratory work complements class work. An introductory course to impart basic knowledge of hydraulic and pneumatic concepts, components and systems for power transmission and control where laboratory work is performed using industrial components and circuits.
An introductory course in designing of manufacturing tooling including broaches, lathe and mill tools; piercing, blanking, bending and drawing dies; the economics of tool design; cutting and forming; and the design of jigs and fixture devices used to locate and secure the work-piece in manufacturing. Principles of manufacturing and properties of materials are utilized. The selection of cutting tools, calculating horsepower requirements and cutting feeds and speeds are introduced. This course covers the analysis and design of machine components and assemblies such as couplings, bearings, springs, frames, gears, belts, etc.
An intermediate course which dives into advanced concepts in computer assisted design techniques.
The student will learn how to make the software work for them while gaining experience in solving drafting problems utilizing an interactive CAD system. Students will extend their CAD competency by solving sophisticated drafting problems utilizing an interactive CAD system, applications, course description and lecture with an opportunity to test for third party credentials via Autodesk. An introduction into 3D modeling, this course continues to build on the student's 2D knowledge. To apply the color tint. Before applying the color the drawing board should be cleared of drawing instruments, etc.
Press out all color remaining in the brush with the fingers and apply the brush again to the little puddles remaining on the paper. The brush will draw it back into itself and leave an even tint all over the section.
Mechanical Drawing and Prints
This figure shows a collection of hatch-lined sections that is now die almost universal practice among. To the right is shown a section of a wall made of rocks. When used without color, as in tracing for printing, the rocks are simply shaded with India ink and a Gillott steel pen. For a colored drawing the ground work is made of gamboge or burnt umber. To the left is the conventional representation of water for tracings.
For colored drawings a blended wash of Prussian blue is added. Convention for Marble, When colored, the whole section is made thoroughly wet and each stone is then streaked with Payne's gray. Cojivention for Chestnut. When colored, a ground wash of gamboge with a little crimson lake and burnt umber is used. The colors for graining should be mixed in a separate dish, burnt umber with a little Payne's gray and crimson lake added in equal quantities and made dark enough to form a sufficient contrast to the ground color.
Convention for Black Walnut. The same mixture is used for grsiining when made dark b r adding more burnt umber.
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Convention for Hard Pine. For the ground color make a light wash of crimson lake, burnt umbei, and gamboge, equal parts. For graining use a darker mixture of of crimson lake and burnt umber. Convention for Building'Stonc, The ground tolor is a light wash of Payne's gray and the shade lines are. The irregular lines to be added with a writ-. Cast Iron. These section lines should be drawn equidistant, not very far apart and narrower than the body lines of the drawing.
The tint is PayneS gray.
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Steel, This section is used for all kinds of steel. The lines should be of the same width as those used for castiron and the spaces between the double and single lines should be uniform. The color tint is Prussian blue with enough crimson lake added to make a warm purple. Brass, This section is generally used for all kinds of composition brass, such as gun-metal, yellow metal.
The width of the full lines, dash lines and spaces should all be uniform. The color tint is a light wash of gamboge. The section lines and color tints for these numbers are so plainly given in the figure that further instruction would seem to be superfluous. Sometimes draftsmen will Crosshatch all the sectional parts with a uniform space and ilne like that used for cast iron and mark the names of the different materials or their initials in some convenient place on the parts themselves. This does not look as well nor is it any more convenient to experienced men than the other method.
There are four kinds: i The Hidden Line, This line should be made of short dashes of uniform length and width, both depending somewhat on the size of the drawing. The width should always be slightly less than the body lines of the drawing, and the. The dashes should be made shorter than those of thi' Jiidden line, just a trifle longer than dots. The spaces should of course be short and uniform. Most drawings of machines and parts of machines are symmetrical about their center lines.
When penciling a drawing these lines may be drawn continuous and as fine as possible, but on drawings for reproductions the blackinked line should be a long narrow dash and two short ones alternately.