Machine Technology (MAC) at Patrick Henry Community College


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MAC 95 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
MAC 116 - Machinist Handbook
Uses the machinist handbook as a ready reference book of tabular data, formulas, designs and processes relating to machine technology.
Lecture 2 hours per week.
2 credits
MAC 121 - Numerical Control I
Focuses on numerical control techniques in metal forming and machine processes. Includes theory and practice in lathe and milling machine computer numerical control program writing, setup and operation. Part I of II.
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
MAC 122 - Numerical Control II
Focuses on numerical control techniques in metal forming and machine processes. Includes theory and practice in lathe and milling machine computer numerical control program writing, setup and operation. Part II of II.
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
MAC 125 - Introduction to Geometrical Dimensioning and Tolerancing in Machining
Focuses on basic topics in geometrical dimensioning and tolerancing (GD&T). Covers internationally recognized GD&T symbols. Explains the importance of a feature control frame. Teaches the Cartesian coordinate system in relation to precision components. Examines theoretical and practical concepts of geometric controls relative to design, tooling, production, and inspection.
Lecture hours 3 per week.
3 credits
MAC 126 - Introductory CNC Programming
Introduces programming of computerized numerical control machines with hands-on programming and operation of CNC machines.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
MAC 127 - Advanced CNC Programming
Provides in-depth study of programming computerized numerical control machines.
Lecture 3 hours per week.
3 credits
MAC 128 - CNC Programming
Teaches programming of computerized numerical control machines. Focuses on CNC machining processes.
Lecture 1-2 hours per week.
1-2 credits
MAC 131 - Machine Lab I
Teaches fundamental machine shop operations, bench work, layout, measuring tools, and safety. Part I of II.
Lecture 0-2 hours. Laboratory 0-3 hours. Total 1-5 hours per week.
1-3 credits
MAC 161 - Machine Shop Practices I
Introduces safety procedures, bench work, hand tools, precision measuring instruments, drill presses, cut-off saws, engine lathes, manual surface grinders, and milling machines. Part I of II.
Lecture 2 hours. Laboratory 2-3 hours. Total 4-5 hours per week.
3 credits
MAC 162 - Machine Shop Practices II
Introduces safety procedures, bench work, hand tools, precision measuring instruments, drill presses, cut-off saws, engine lathes, manual surface grinders, and milling machines. Part II of II.
Lecture 2 hours. Laboratory 2-3 hours. Total 4-5 hours per week.
3 credits
MAC 163 - Machine Shop Practices III
Offers practice in the operation of the drill press, engine lathe, vertical milling machine, horizontal milling machine, and the surface grinder. Introduces practical heat treatment of directly hardenable steels commonly used in machine shops. Part I of II.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
MAC 164 - Machine Shop Practices IV
Offers practice in the operation of the drill press, engine lathe, vertical milling machine, horizontal milling machine, and the surface grinder. Introduces practical heat treatment of directly hardenable steels commonly used in machine shops. Part II of II.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
MAC 181 - Machine Blueprint Reading I
Introduces reading and interpreting blueprints and working drawings. Applies visualization of objects, sketching, and machine terminology. Part I of II.
Lecture 3 hours per week.
3 credits
MAC 182 - Machine Blueprint Reading II
Introduces reading and interpreting blueprints and working drawings. Applies visualization of objects, sketching, and machine terminology. Part II of II.
Lecture 3 hours per week.
3 credits
MAC 195 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
MAC 197 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
MAC 198 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits
MAC 205 - Advanced Machining Techniques
Offers advanced machine tool operations utilizing a variety of machine tools and related equipment.
Lecture 1 hour. Laboratory 6 hours. Total 7 hours per week.
3 credits
MAC 221 - Advanced Machine Tool Operations I
Focuses on advanced lathe and mill work with concentration on fits, finishes, inspection, quality control, and basic heat treating. Includes design and construction of specific projects to determine the student's operational knowledge of all equipment. Part I of II.
Lecture 4 hours. Laboratory 9 hours. Total 13 hours per week.
7 credits
MAC 222 - Advanced Machine Tool Operations II
Focuses on advanced lathe and mill work with concentration on fits, finishes, inspection, quality control, and basic heat treating. Includes design and construction of specific projects to determine the student's operational knowledge of all equipment. Part II of II.
Lecture 4 hours. Laboratory 9 hours. Total 13 hours per week.
7 credits
MAC 231 - Advanced Precision Machining I
Teaches machining principles and calculations necessary for the precision required by the machinist. Emphasizes advanced lathe and mill work with concentration of fits. finishes, inspection, and quality control. Includes design and construction of specific projects to determine the student's operational knowledge of all equipment. Part I of II.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
MAC 232 - Advanced Precision Machining II
Teaches machining principles and calculations necessary for the precision required by the machinist. Emphasizes advanced lathe and mill work with concentration of fits. finishes, inspection, and quality control. Includes design and construction of specific projects to determine the student's operational knowledge of all equipment. Part II of II.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits
MAC 245 - Advanced Numerical Control
Applies the computer numerical control to machine tools, program writing setup and operation of milling machine and lathe.
Lecture 1 hour. Laboratory 3 hours. Total 4 hours per week.
2 credits
MAC 295 - Topics In
Provides an opportunity to explore topical areas of interest to or needed by students.
May be used also for special honors courses. May be repeated for credit. Variable hours.
1-5 credits
MAC 297 - Cooperative Education
Supervises in on-the-job training for pay in approved business, industrial and service firms, coordinated by the college's cooperative education office. Is applicable to all occupational- technical curricula at the discretion of the college.
Credit/work ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits
MAC 298 - Seminar and Project
Requires completion of a project or research report related to the student's occupational objectives and a study of approaches to the selection and pursuit of career opportunities in the field.
May be repeated for credit. Variable hours.
1-5 credits