Computer Numerical Controlled (CNC) Machining Certificate
The CNC Machining certificate is designed to prepare students for entry level CNC machining and programming positions. The program offers a series of skillbuilding courses in CNC machining and CAM programming for the individual desiring full-time employment in the CNC manufacturing industry.
Upon successful completion of the Computer Numerical Controlled (CNC) Machining Certificate program, the learner will be able to:
Program and operate a CNC mill and lathe. (CNC 101, MAT 100, MET 100)
Design a product for CNC machining. (CNC 201, CNC 202)
Reverse engineer a product for 3D replication. (CNC 202)
Set tools for CNC machining of a given product. (CNC 102)
||CNC Machine Operator
CNC 101. CNC Machine Operator (2). Basic principles and operative skills in the operation of CNC milling machine and lathes. One lecture. Three lab.
1. Shop safety
2. Measuring instruments and Micrometer reading
3. CNC Machine Operation
1. Apply machine shop safety principles. (1)
2. Use micro-measurement instruments. (2)
3. Read a micrometer (2)
4. Turn on, home the machine and determine the active program. (3)
5. Load CNC programs into the controller using at least 3 of the 4 accepted methods. (3)
6. Load the proper program into the“EDITOR" and confirm that listed tools in the program are those which correspond to the tools in the machine. (3)
7. Run a part program to completion. (3)
8. Check oil levels, coolant levels, and coolant concentration. (3)
9. Set tooling and record the appropriate tooling data into the controller. (3)
10. Set the work coordinate for a given part and input data into the work offset page of the controller (3)
11. Discern the difference between a graphical representation of a good tool path vs. a near net shape. (3)
12. Move, copy, delete, insert and find & replace data in a program. (3)
13. Operate the CNC milling machine in a manual mode and set the machine to specific operational settings. (3)
14. Restart the program at any tool change or at any point in the program. (3)
15. Touch off all the tools and record their offset data on the tool offset page. (3)
16. Measure the stock to determine the amount of excess length. (3)
17. Load work into the Chuck. (3)
18. Select a facing/turning tool to face the work piece off. (3)
19. Set CNC for appropriate RPM's. (3)
20. Face the part off using the hand wheel. (3)
21. Find all the feed rates concerning linear motion for a finish pass from .003 to .005. (3)
||CNC Machine Set Up
CNC 102. CNC Machine Setup (4) (Fall). Basic principles and operative skills to setup and operate through 1st. article part CNC mills and lathes. Prerequisite: CNC 101. Three lecture. Three lab.
1. CNC Mill and lathe operation.
2. Speeds and feeds.
3. Blueprint reading.
4. Troubleshooting tooling problems.
1. Identify coordinate and primary machine axes. (1)
2. Define and describe absolute and incremental positioning. (1)
3. Show procedures in starting the CNC milling machine and for running a program in graphics mode.(1)
4. Identify the machine coordinate systems and how to use them. (1)
5. Identify CNC tooling and applications. (1,4)
6. Identify cutting tool collets and holding fixtures. (1,4)
7. Identify the proper use of fixtures, setups and gagging. (1)
8. Set work offsets. (1,4)
9. Load tools and set tool length offsets. (1,5)
10. Use proper cutter compensation and calculate cutting tool speeds and feeds. (1,4)
11. Read blue prints and interrupt job operation sheets. (3)
12. Identify geometric tolerance and how they are used. (5)
13. Define program format and definitions within. (1,2)
14. Identify and define machine default“G" codes and micellaneous "M" codes. (1,2,4)
15. Describe the program structure. (4,5)
16. Read, interrupt and edit machine programs. (1,2,4,5)
17. Identify alphabetical address codes. (1)
18. Determine solutions for twist drill and endmill problems. (4)
19. Determine how to maintain part reliability and dimensional specifications for multiple parts. (5)
20. Adjust for tool nose compensation and determine solutions for tooling problems. (4)
||Comp Aided Program CNC Mach
CNC 201. Computer Aided Programming for CNC Machining (3) (Spring). Two-dimensional designing of machinery parts using Feature Cam software. Includes design and illustration of the part, tooling sequencing, starting a lathe using Feature Cam, part cutting simulation, and Numerical Control Code. Prerequisite: CNC 101 (may be taken concurrently). Two lecture. Two lab.
1. Tooling for Machining Centers.
2. Using FeatureCam.
3. Introduction to 2.5D milling.
4. Introduction to Turning.
1. Describe tooling used in a CNC Mill Machine. (1)
2. Produce a CADD drawing for CNC machines using Feature Cam. (2)
3. Produce a 2.5 D milling part. (3)
4. Manage a CNC lathe and Mill after Feature Cam programming for production of parts.(4)
||3-D Program & Rapid Prototype
CNC 202. 3-D Programming and Rapid Protyping for CNC (4). Basic principles of 3-D programming and rapid prototyping for modern manufacturing applications. Prerequisite: CNC 201.Three lecture. Three lab.
1. Features and 3-D CAD models
2. 3-D milling
3. 3-D scanner and rapid prototyping
1. Create a 3-D CAD model and manipulate its alignment. (1)
2. Setup automatic feature recognition. (1)
3. Setup hole and pocket recognition features. (1)
4. Create a slot feature. (1)
5. Create a 3-D surface feature. (2)
6. Create a surface milling feature. (2)
7. Import a 3-D Part. (2)
8. Select tool path and tool type strategies. (2)
9. Discuss 3-D scanning strategies. (3)
10. Review 3-D printing in plastic. (3)
11. Review 3-D machining from 3-D scans. (3)
MAT 100. Technical Mathematics (3). Review of arithmetic skills, proportions, percentages, exponents, algebraic equations of the first degree, basic geometry, and literal equations with applications designed for the student's own field of study. Prerequisite: MAT 082, or one year of high school algebra completed within the last 4 years, or a satisfactory score on the mathematics skills assessment. Reading Proficiency. Three lecture.
1. Addition, subtraction, multiplication, and division of rational numbers
2. Ratio and Proportion
4. Rules of exponents
5. Fractional exponents and radicals
6. First degree equations
7. Literal equations
9. Measurement including the metric system
1. Add, subtract, multiply, and divide signed rational numbers. (QL 1)
2. Apply whole number exponent laws to simplify expressions. (QL 1)
3. Convert fractional exponents to radical form and radicals to fractional exponents. (QL 1)
4. Solve problems involving ratios and proportions. (QL 1,2,4)
5. Solve problems involving percentages. (QL 1,2,4)
6. Solve basic algebraic linear equations including those containing literal terms. (QL 1-4)
7. Identify basic geometric shapes and formulae. (QL 1,3)
8. Solve problems involving geometric shapes and perimeter, area and volume of those shapes. (QL 1-4)
9. Use measurement systems including the metric system. (QL 1,2)
||Intro Manufacturing Technology
MET 100. Introduction to Manufacturing Technology (4) (Fall). Introduction to Manufacturing Technology including safe practices, tools and mathematics. Emphasis on problem solving, computer-aided design, blueprint reading, fabrication, assembly, and control systems. Preparedness recommendations: Two years of high school math and general computer literacy. Three lecture. Three lab.
1. Safety Protocol
2. Introduction to LEAN manufacturing
3. Professional conduct and teamwork
4. Blueprint reading
5. Computer Aided Design
6. Quality control
7. Computer Aided Machining
8. Mechanical assembly
9. Manufacturing processes
1. Apply standard safety practices in a manufacturing environment. (1)
2. Integrate workplace skills, including ethics, interviewing and teambuilding. (2, 3)
3. Interpret blueprints and describe tolerances and features of a part. (4)
4. Interpret documentation of products and processes to accomplish manufacturing tasks with application of Statistical Process Control, ISO 9000 and Total Quality Control. (6)
5. Manipulate a drawing in a CAM (Computer Aided Manufacturing) system to produce an actual part. (5)
6. Operate and complete simple setup on Computer Numerically Controlled (CNC) machine tools. (7)
7. Interpret a top-level drawing and bill of materials to construct an assembly. (8)
8. Identify different types of manufacturing processes from engineering to product shipment. (9)
9. Interpret and apply fundamentals of LEAN manufacturing. (2)