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Mechanical

MECH 111 COMPUTER DRAFTING

Fall, 3 credit hours

This course introduces the student to using the computer to produce engineering (mechanical) drawings. In addition to learning the “AUTOCAD” software to create the entities, other topics covered in the course include: orthographic projection, national drafting standards and conventions, applied geometry, sectioning as well as detail and assembly drawings. Instruction also includes freehand sketching. One hour lecture, four hours laboratory per week.

MECH 112 ADVANCED COMPUTER DRAFTING

Spring, 3 credit hours

A continuation of Computer Drafting (MECH 111) wherein major emphasis is placed on the topics of dimensioning, tolerancing, gears, keys and key seats, assembly drawings, and detail drawings. Computer-aided design, systems, concepts, along with standards, will be emphasized. One hour lecture, four hours laboratory per week.

Prerequisite: Computer Drafting (MECH 111) or permission of instructor.

MECH 117 COMPUTER DRAFTING FOR NON-TECHNICIANS

Fall, 2 credit hours

A basic computer-oriented drawing course designed for people with little or no engineering background. Students will learn how to create both two dimensional and three dimensional (pictorial) drawings utilizing a computer software package . Upon completion, students will be able to draw and interpret standard working drawings found in business and industry. One hour lecture, two hours laboratory per week.

MECH 118 ENGINEERING DRAWING

Spring, 2 credit hours

Fundamentals of technical drawing with instruments, freehand orthographic and pictorial sketching, lettering, drafting standards and conventional practices, orthographic drawings, oblique and isometric drawings, sectioning, auxiliary views, intersections and surface developments. Five hours laboratory per week.

MECH 121 MANUFACTURING PROCESSES I

Fall/Spring, 3 credit hours

This course provides an overview of material removal, change in form, change in condition, and heat treatment processes. The student begins with a fundamental understanding of machine tools theory and practice. Instruction includes precision layout and measurement, lathe operations and tooling, milling operations and tooling, drills, reamers, and drilling machines. Instruction involves the selection and calculation of proper cutting speeds and feeds for processes involving different materials. Instruction also includes an investigation to the variety of casting processes, products produced through each process and common defects found. Students further investigate material properties and how change can occur through processing and heat treatments. The laboratory provides the opportunity to apply the material from lecture through the hands on operation of the tooling and equipment. Two hours lecture, three hours laboratory per week.

MECH 124 MACHINE TOOLS

Spring, 3 credit hours

A basic course in machine shop theory and practice. Includes theory and related information pertaining to precision and comparative measurement file, hacksaws, indexing, twist drills, cutting speeds, and screw threads. Provides an opportunity for actual practice in the operation of basic machine tools such as the lathe, milling machine, drill presses, band saw and sand blasting machine. Includes shop safety, layout and measurement and the use of basic hand tools. Two hours lecture, three hours laboratory per week.

MECH 128 ELECTROMECHANICAL TECHNOLOGY

Spring, 3 credit hours

This course provides the knowledge base needed to understand the principles, concepts, and applications of electro-mechanics. It presents problem solving techniques that are critical for troubleshooting situations. Topics covered include: Nature of motion, simple and compound machines, torque, power transmission, motion devices, electric circuits, electromagnetic circuits and devices, and maintenance procedure for electrical and mechanical machines. Two hours lecture and two hours laboratory per week.

Prerequisites: College Algebra (MATH 121), College Physics I and Lab (PHYS 121/125).

MECH 191 MECHANICAL DRAFTING I

Fall, 7 credit hours

This course emphasizes graphic communications and the fundamentals of object
definition. Plane geometry constructions are utilized to create orthographic projections, auxiliaries and sectional representations. Isometric, oblique and perspective projections are introduced, as are mechanical and exploded assemblies. Architectural and conventional dimensioning technique are explored. There is useof written tolerances (including geometric and true position) and fastener catalogues. Parallel references are provided in each of these topics using computer-aided drafting with AutoCAD. Use of Windows and word processing will be introduced. A separate emphasis is made in mechanical blueprint reading, and in checking drawings. Three hours lecture, eight hours laboratory per week.

Certificate/AAS Elective Credit Only.

MECH 192 MECHANICAL DRAFTING II

Spring, 7 credit hours

This course emphasizes finding graphic solutions to geometric problems and an introduction to principal drafting specializations. Assignments are provided in classic descriptive geometry and their utilization in intersections, surface development, and vectors. The unique capabilities of CAD equipment requires different methods for these solutions which are also examined. Introductory assignments are given in mechanical detailing, contour mapping, structural detailing, electrical-piping-fluid power schematics, tooling fixture development,
graphs and linkage motion layouts (kinematics). Three hours lecture, eight hours laboratory per week.

Certificate/AAS Elective Credit Only.

MECH 222 MANUFACTURING PROCESSES II

Spring, 2 credit hours

A continuation of Manufacturing Processes I. Includes forging, sawing and cutting processes, grinding operations, cutting tools and fluids, powder metallurgy and non-traditional machining processes. Process planning and determining the equipment to produce parts will lead to a better understanding of different manufacturing processes. Students will learn the fundamentals required to setup, operate and program CNC lathes and milling machines. A major emphasis is placed on the term project that requires each student to research a manufacturing process for the purpose of giving an oral presentation to the class explaining the process. The overall project requires each student submit an outline of their presentation, present their material to the class and submit a formal report to the instructor. One hour lecture, two hours laboratory per week.

Prerequisite: Manufacturing Processes I (MECH 121) or permission of instructor.

MECH 223 INTRODUCTION TO CNC

Fall, 3 credit hours

A course designed to introduce students to the capabilities of CNC machine tools used in industry, to teach students the fundamentals in programming CNC lathes and milling machines, to provide students the opportunity to setup and operate CNC equipment and to experience the use of CAD/CAM technology. Two hours lecture, three hours laboratory per week.

Prerequisite: Manufacturing Processes I (MECH 121) or permission of instructor.

MECH 224 TOOL DESIGN

Spring, 3 credit hours

Theory design and drawing of tools used in mass production. Cutters, gauges, punches and dies, jigs and fixtures. Introduction to commercial tool steels, nonmetallic tooling materials and process intent of geometric tolerances. Emphasis on the use of component catalogs. One hour lecture, four hours laboratory per week.

Prerequisites: Manufacturing Processes I (MECH 121), Advanced Computer Drafting (MECH 112) or equivalent or permission of instructor.

MECH 225 INTRODUCTION TO THERMODYNAMICS

Spring, 3 credit hours

Introduction to Thermodynamics will investigate the first and second laws of thermodynamics and the applications to steam cycles and refrigeration. The properties of liquids and gases will be considered in their application to technology. The ideal gas laws will be explored through the mixture of air-water vapor using the psychometric chart. The energy balance of steam turbines will be evaluated for their efficiencies. The theory of heat transfer will be considered during heat exchange applications. If time permits, the study of the Otto cycle and Diesel cycle will be discussed. Three hours lecture per week.

Prerequisites: Physics II and College Algebra (MATH 121) or permission of instructor.

MECH 226 THERMOFLUIDS LABORATORY

Spring, 1 credit hour

The theories of thermodynamics and fluid mechanics will be explored through hands on experimentation. Students will place into practice the theories of fluid mechanics and thermodynamics. These labs will provide emphasis on report preparation and computer-aided data collection and reduction. Two hours laboratory per week.

Corequisites: Introduction to Thermodynamics (MECH 225), Fluid Mechanics (MECH 241) or permission of instructor.

MECH 231 MECHANICAL STRUCTURE LABORATORY

Fall, 1 credit hour

This course is designed to complement and supplement the topics in the corequisite course, Structural Mechanics. It will consist primarily of experiments in strength of materials, augmented by occasional lectures. A writing intensive course. Three hours laboratory per week.

Prerequisites/Corequisites: Structural Mechanics Lecture (CONS 263) or permission of instructor.

MECH 232 MACHINE DESIGN

Spring, 4 credit hours

Design of machine components subjected to static, dynamic and fluctuating loads. Theory includes design of shafts, v-belt and flat belt drives, gear systems and roller chain mechanical transmissions; gears and springs. Laboratory work involves the design of components of a machine design term project. Three hours lecture, two hours laboratory per week.

Prerequisites/Corequisites: Structural Mechanics Lecture (CONS 263), Basic Calculus (MATH 122), or permission of instructor.

MECH 241 FLUID MECHANICS

Spring, 3 credit hours

This course develops a basic knowledge of fluids under static and dynamic applications. Principles of fluid statics, fluid kinematics, fluid kinetics, and continuity theorem will explore applications in the mechanical industry. Flow rate, pipe sizing and minor losses in piping systems are addressed. Compressible flow and gas dynamics are introduced. Three hours lecture per week..

MECH 251 QUALITY CONTROL

Fall, 3 credit hours

Statistical concepts related to quality control. Theory, construction, and interpretation of control charts in an industrial manufacturing environment. Probability as it relates to acceptance sampling and ISO 9000 quality standards. Two hours lecture, two hours laboratory per week.

MECH 301 TECHNICAL DYNAMICS

Fall/Spring, 3 credit hours

Students study the principles of dynamics and the solution of applied engineering problems. Two-dimensional dynamic analysis of particles and rigid bodies are resolved using fundamental analytical methods and computer simulation. Rectilinear, curvilinear, and rotary motion, D’Alembert’s principles of work and energy, impulse and momentum, and Three-dimensional kinematics and dynamics are covered. Three hours lecture per week.

Prerequisite: Machine Design (MECH 232) or permission of instructor.

MECH 332 INTERMEDIATE MACHINE DESIGN

Fall, 3 credit hours

This course is a continuation of Machine Design ( MECH 232). Design of shafts, keys, couplings and seals provide application to tolerances and fits. The study of bearing types, loads, design life and selection along with fastener selection, machine frames, connection and joints; linear motion, motion control and electric motors and controls used in automated machinery. Three hours lecture per week.

Prerequisite: Machine Design (MECH 232) or permission of instructor.

MECH 341 INTERMEDIATE FLUID MECHANICS

Fall/Spring, 3 credit hours

This course is an in-depth study of fluid mechanics. A development of the Navier-Stokes equations to represent two and three dimensional flow will lead to a clear understanding of fluid dynamics in the real world. Additionally students will analyze motion of time-independent and Rayleigh flow, compressible
flow and topics of rotating concentric disc to boundary layer situations of airfoils. The introduction of similitude and dimensional analysis will prepare students for further topics related to fluid mechanics. Three hours of lecture per week.

Prerequisites: College Physics II (PHYS 122) and Basic Calculus (MATH 122) or permission of instructor.

MECH 342 THERMODYNAMICS

Spring, 3 credit hours

This course will investigate thermal power and its applications using the first and second laws of thermodynamics. The properties of liquids and gases will be considered in their current and emerging applications to energy production. The fuel sources will be discussed for their energy input and output heat values.
The efficiency of all energy applications will be explored while evaluating the theory of heat transfer. Applications of the Rankin, Otto, Brayton, and refrigeration cycles will be used in evaluating the energy production of thermal
systems. Three hours of lecture per week.

Prerequisites: College Physics II (PHYS 122) and Basic Calculus (MATH 122) or Calculus I (MATH 161), or permission of instructor.

MECH 343 HEAT TRANSFER

Fall/Spring, 3 credit hours

This course explores the various methods of transferring heat from a source to a sink in engineering systems. Topics will focus on the energy balance of a system. The transport phenomena of heat transfer will be studied in detail, allowing students to internalize these physical principles of conduction, convection, and radiation. Three hours of lecture per week.

Prerequisites: College Physics II (PHYS 122) and Basic Calculus (MATH 122) or Calculus I (MATH 161), or permission of instructor.

MECH 351 DESIGN OF EXPERIMENTS

Spring, 3 credit hours

This course provides methodologies that engineers, technologists, and management personnel need to plan and conduct experiments to quantify cause and effects relationships in complex systems. Designs of experiments test multiple factors at one time determining whether changes to products, processes, and systems are improvements. Students will perform simple comparative experiments isolating known sources of variation; while multiple level factional designs will allow analysis for variance (ANOVA) to predict models of interactions that optimize a process. Three hours of lecture per week.

Prerequisites: Basic Calculus (MATH 122) and Junior level status, or permission of instructor.

MECH 412 VIBRATION and NOISE CONTROL

Fall/Spring, 3 credit hours

Provide guidance relevant to design, problem solving and improvement with the measurement and control of noise and vibration as applied to the industrial environment. Students study the source, distribution and measurement of sound waves and vibrations in beams, cylinders, pipe systems, panels and mechanical equipment. Instruction includes methods for dampening noise and vibration. The use of signals generated from noise and vibration as a tool to diagnose the source of the problem and use statistical methods of analysis for determining frequency of service. Three hours of lecture per week.

Prerequisites: Statistics (MATH 141), Instrumentation and Controls (MECH 210), Intermediate Fluids (MECH 341).

MECH 291-295, 391-395, OR 491-495 SPECIAL TOPICS IN MECHANICAL ENGINEERING TECHNOLOGY

Fall/Spring, 1-4 credit hours

Special topics in Mechanical Engineering Technology will generally include topics of current interest or topics not covered in courses currently offered by the department or in combinations not currently available. Prerequisite: permission of the instructor.