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MTT 210: CNC Machine Tool Operations

3.00 Credits

Delaware County Community College

This course is designed to provide appropriately prepared conventional machine tool operators with an introduction to Computerized Numerical Control (CNC) machine tool set-up and operation. Theory will be practical in nature and relate directly to shop based applications. Lathe, and mill, operations will be stressed; however, the theory and concepts will be applicable to various CNC machine tools.Upon completion of this course, students should be able to: Conduct commonly assigned CNC machine tool operator cleanup and maintenance activities. Describe the various axes and coordinate systems associated with differing CNC machine tool types. Apply accident prevention practices and procedures while interacting with the Machine Control Unit (MCU), as well as during program proof-out; and, while performing maintenance. Discuss the types and principles of MCU offset registers, and their usage. Analyze rudimental program problems and perform basic editing operations to modify G-code programs via Manual Data Input (MDI) operations. Edit canned cycle functions utilizing calculations/data prepared by others to create simple G-code programs via conversational graphics as well as by typing on a personal computer. Demonstrate upload/downloading and other Distributed Networked Computer (DNC) functions on a shop floor computer network. Set-up, align, and zero-out workholding devices, tooling adapters, and toolholders. Perform dry/first/production runs and inspections, adjusting various register values to assure tool qualification, and part dimensionality. Communicate and apply piece-part set-up and inspection procedures commonly associated with, advanced Lathe and Milling Operations. Prerequisite: Prerequisite: MTT 122.

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MTT 213: Manufacturing Processes

3.00 Credits

Delaware County Community College

This course is designed to provide broad spectrum, first exposure, technical instruction in the fundamental processes (other than material removal) used to produce manufactured goods. Various aspects of manufactures' responsibilities in providing producer and consumer goods, as well as services, will be covered. Generalized methods of conversion of materials into various forms and shapes via processes such as casting, extrusion, injection molding, welding, etc., will be the primary focus of this course. Principles, terminology, as well as practical applications will be stressed. In addition to rounding-out educational experiences for manufacturing/mechanical/drafting and design students, this course is also suited for providing novice engineers, supervisors, and managers with practical experiences in varied manufacturing processes.Upon completion of this course, students should be able to: Describe the design process and various considerations engineers typically ponder/explore before deciding on a process for manufacturing an article. Discuss the production of parts with respect to the fundamentals of the casting and molding processes. Demonstrate a basic understanding of the principles involved in the forming, rolling, drawing, extrusion and molding processes. Differentiate, document, and demonstrate flame/arc cutting and welding process variables. Compare and contrast various bonding, joining (to include welding and related processes), and mechanical fastening methods. Research, and describe in an oral presentation, a non-traditional material removal process, or prototyping process available to manufacturers, relating same to aspects of future human development. Distinguish between the common surface treatments and finishing processes. Relate the classifications of production systems and the impact automation has for each. Elaborate on the principles of Lean Production and the "Factory within a Department" concepts, suggesting their possible impact on the social fabric of the workplace. Summarize the concepts and criteria for reducing costs and increasing productivity on the shop floor. Utilize welding, melting, casting, and molding equipment to conduct laboratory exercises. Present examples of how artists can use manufacturing processes to create works of art. Prerequisite: Prerequisite: MTT 108 and MTT 110.

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MTT 214: Milling Operations II

3.00 Credits

Delaware County Community College

This course is designed to provide theory and skill instruction supplemental to that introduced in Milling Operations I (MTT 124). Skill embellishment and expanded surface feature creation in the use of conventional metal working milling machines and attachments, along with associated accident prevention practices and procedures will be stressed. Concepts and mathematical calculations for machining of prismatic (cube-like) features and part geometry will be emphasized. Process planning, documentation and Geometric Dimensioning, and Tolerancing (GD&T) characteristics for milling work will be addressed. Cutters and insert (geometry and grade) selection, as well as cutting parameters, will be stressed.Upon completion of this course, students should be able to: Utilize detail drawings, layout, and inspection tools to produce parts via horizontal and vertical milling operations. Plan sequential operations and develop a process, a tooling, and an operation sheet, for advanced piece-part manufacturing on milling machines. Develop set-up and inspection procedures for milled parts. Compare milling machine cutting tool material types, and their selection criteria. Research machinability factors and ratings for various types and classifications of materials. Refer to manufacturer's catalogs and apply theory of cutting tools to determine the application, and the identification of cutting tool adapters, cutters, and inserts. Determine coolant selection, speed, and feed settings in regard to tool material and insert geometry requirements in order to obtain specific surface finish requirements on milled parts. Interpret print requirements (including GD&T) and part geometry for machining and inspection of advanced milling parts. Create internal features to include chamfers, bores, recesses, counterbores, countersinks, grooves and pockets using a milling machine. Set-up and use various style cutters to create form (profile) geometry such as angle, convex, concave, radius, T-slot, and key-way features. Mount and use milling machine accessories and attachments such as a right angle plate, rotary table, dividing head, boring head, angular vise, angle plate, V-blocks, sine bar/plate/vise. Position fixtures and perform fly cutting, slitting, straddle, and gang milling operations. Prerequisite: Prerequisite: MTT 124.

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MTT 219: CAM Solids I

3.00 Credits

Delaware County Community College

As a continuation of the principles of Computer Aided Manufacturing (CAM) design database development and usage, this course is designed to build on the course entitled Solids (CAM) Modeling (MTT 129). As such, instruction in this course will be centered around the theory and skills associated with the generation of 2 through 2 1/2 axis Computerized Numerically Controlled (CNC) machine tool code generation. Specific tool assignment and tool path generation for CNC milling and profiling [router, water-jet, laser and like machines] as well as conventional, two axis, CNC lathes will be addressed.Upon completion of this course, students should be able to: Conduct import and export, as well as other data file management and Distributed Networked Computer (DNC) operations. Analyze geometry in order to develop tool path routines utilizing appropriate lead in/out and roughing moves to create desired features and surface quality. Design and create libraries of commonly used machining operations, as well as modify operations to optimize tool paths for the improvement of part production efficiency. Prepare piece-part modeling documentation, to include dimensioning; and, hard copy output. Create tool paths for drilling, boring, and reaming on CNC mills and 2-axis lathes. Develop, verify, and edit tool path, and CNC code, for single surface profile creation; as well as pocketing, island, and thin-wall surface and feature creation. Generate roughing and finishing tool path for drilling, turning, grooving, facing, and threading (to include multiple lead) operations (inside and outside) on cylindrical parts. Prerequisite: Prerequisites: MTT 129 and MTT 210.* *May be taken concurrently.

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MTT 220: CNC Programming

3.00 Credits

Delaware County Community College

This course is designed to provide the experienced Computerized Numerically Controlled (CNC) machine tool operator with instruction in manual part programming and advanced operations. Mathematical applications for definition of location, set-up, positioning and tool movement (absolute/incremental) within specific coordinate systems will be presented. Various aspects of intermediate to Advanced G and M code programming to include fixture offsets, thread milling, looping, macro, and sub program development/utilization/execution will be included. Criteria relevant to accident prevention practices and procedures, process planning, work-holding, tooling, machine set-up and operation, program proof-out, and quality control will also be addressed.Upon completion of this course, students should be able to: Via manual methods, interpret and convert basic piece-part drawings in order to produce proceduralized manufacturing process/operation, workholding, tooling documentation sheets, and job plans for a CNC mill (router on similar machine tool) and a CNC lathe. Apply principles of mathematics, engineering print interpretation and geometric analysis to describe part datum's, surfaces, and feature locations in terms of 2 and 2 1/2, axis machine/tool positioning. Prepare and proof a written manuscript for the production of parts on a CNC mill, (or similar machine), and a CNC lathe. Utilize mathematical calculations, and concepts of geometric relationships combined with techniques, hardware, software menus and computer system practices associated with a Computer Aided Machining/Distributed Numerical Control (CAM/DNC) system to manually write, save, retrieve and transfer CNC machine tool programs. Apply programming techniques (to include advanced canned cycle, loops, and macros). Develop programs involving advanced operations such as helical interpolation and thread milling operations. Program multiple and varied parts involving multiple operations per set-up to include the use of indexing devices. Describe the purpose and use of charting as it applies to Statistical Process Quality Control (SPQC) in the CNC machining environment. Discuss the principles and applications of parametric programming as they apply group technology part programming. Prerequisite: Prerequisites: (MTT 108 or MAT 128) and MTT 110 and MTT 112 and MTT 122 and MTT210 and TCC 111

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MTT 229: CAM Solids II

3.00 Credits

Delaware County Community College

This course in advanced principles of Computer Aided Manufacturing/Machining builds on the skills and knowledge gained in CAM Solids I. Topics of instruction will include advanced (multisurface) part modeling and tool path generation for 3-axis milling (similar profiling) machines with additional positioning axis: and multi axis (mill-turn) lathes.Upon completion of this course, students should be able to: Analyze 3D-parts geometry in order to conceptualize and create tool paths for prismatic (cube-like) part contours and blended multi-surface generation via 3-axis milling. Select an appropriate Computerized Numerically Controlled (CNC) machine tool for required piece-part production. Structure a plan for approaching multi-part, same set-up, tool path generation for difficult to machine piece-parts. Formulate a strategy, and generate axis positioning, as well as tool path code for 4th and 5th axis programming. Generate tool paths for creating cross drilling, face contouring, and c-axis contours on mill-turn machine tool. Customize a generic CNC machine tool post processor to produce desired machine/tool/program operation. Robots software programming capabilities to consumer products and life style improvements. Prerequisite: Prerequisites: MTT 219 and MTT 220.* *May be taken concurrently.

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MTT 230: Electrical Discharge Machining

4.00 Credits

Delaware County Community College

This course is designed to provide the student with the information and basic skills required to program and operate both ram (sinker), and 4-axis wire (EDM) Electrical Discharge Machining/machines. Instruction will address the fundamental principles of the EDM process, terms, capabilities, and machine tool system components. Aspects of programming and machining methodology, to include; work holding, tooling, electrode selection and operational characteristics, process variables, set-up and operation of ram and wire machines will be addressed.Upon completion of this course, students should be able to: Cite in writing, the principles of operation for the EDM process. Identify the function and the components, and operational characteristics, as well as the operation parameters, of typical ram and wire EDM machine tools. Compare and contrast requirements for ram and wire EDM machine maintenance, set-up and operation. Summarize the various types of electrode materials and designs, as well as their application. Explain the design and operational characteristics a ram type electrode must exhibit in order to perform appropriately. Interpret work order requirements and set-up a typical ram, and a wire EDM machine tool for production. Set-up and operate a ram and a wire EDM machine tool in order to achieve desired inspection/quality characteristics on a finished part. Analyze part geometry requirements and create Computer Numerically Controlled (CNC) piece-part programs, incorporating control of various processes and machining parameters for machining on a ram; and, a 4-axis wire EDM machine. Utilize CAM software programming options to modify cutting parameters and settings, part geometry at various points on a contour. Conduct service and maintenance functions typically assigned to an EDM machine tool operator. Prerequisite: Prerequisites: MTT 220 and MTT 229.* *May be taken concurrently.

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MUS 101: Fundamentals of Music

3.00 Credits

Delaware County Community College

This course is designed for the beginning musician, non-music readers and individuals lacking a fundamental understanding of rhythm, notation, clefs, time signatures, key signatures and practical musicianship skills necessary for the study of both instrumental performance and the study of music theory and composition. Upon completion of this course, students should be able to: Identify and read pitch in G and F clefs. Discriminate among various rhythmic patterns and notations. Perform ear training and rhythmic exercises. Demonstrate basic sight singing skills. Identify all intervals from seconds to octaves by ear (Major, Minor, Perfect and Tritone). Prerequisite: Prerequisite: NONE New students should complete Placement Testing prior to registration. Visiting students may submit college transcript.

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MUS 110: Music for Children

3.00 Credits

Delaware County Community College

Music for Children offers all students an opportunity to explore and experiment with music rudiments, psychology, philosophy, performance and pedagogy. This is a course for students who wish to share their own music experiences with others.Upon completion of this course, students should be able to: Recognize the role music plays in our culture and in the child's educational development. Identify and relate educational significance to various music activities. Apply music rudiments to facilitate educational music activities. Play an autoharp accompaniment while singing. Select appropriate materials and models of instruction to support educational plans and objectives. Coordinate several of the above competencies in a single instructional presentation. Prerequisite: Prerequisite: Successful Placement Test Scores or (ENG 050 and REA 050) or ENG 099* or REA 075 (*may be taken concurrently).

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MUS 115: Introduction to World Music

3.00 Credits

Delaware County Community College

As a selective survey of music, this course is designed to teach students about both traditional and contemporary music from various parts of the world, including Africa, Latin America, the Caribbean, the Middle East, central Asia, and the Far East.Upon completion of this course, students should be able to: Demonstrate active listening to various styles of non-western music. Define the characteristics that are unique to each type of music, including instrumentation. Appreciate the diversity of musical expression in world cultures and how music is experienced within individual cultures. Understand music making and music appreciation as part of the human experience. Prerequisite: Prerequisite: Successful Placement Test Scores or (ENG 050 and REA 050) or ENG 099* or REA 075 (*may be taken concurrently).

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