The CNC Machining Certificate is designed to prepare students for entry-level CNC machining and programming positions. The program offers a series of skill-building courses in CNC machining and CAM programming for the individual desiring full-time employment in the CNC manufacturing industry.
||CNC Machine Operator
CNC 101. CNC Machine Operator (2). Basic principles and operative skills in CNC milling machines and lathes. One lecture. Three lab.
1. Introduction to CNC machining
2. Shop math skills
3. Introduction to CNC milling
4. Introduction to CNC lathe
1. Apply machine shop safety principles. (1)
2. Describe the common types of injuries in material handling. (1)
3. Identify personal protective equipment to be used. (1)
4. Use proper lifting techniques. (1)
5. Clean and perform general housekeeping of lab equipment. (1)
6. Apply shop math – fractions and decimals. (2)
7. Convert English to Metric units. (2)
8. Measure dimensional sizes with the correct machining language. (2)
9. Interpret a micrometer scale. (2)
10. Anaylyze basic lines and line characteristics. (2)
11. Identify the geometric symbols on a drawing and explain what they are. (2)
12. Use a coordinate graph or Cartesian coordinate system. (2)
13. Calculate speeds and feeds for a CNC mill. (2)
14. Turn on and home a CNC milling machine. (3)
15. Set up work offsets and tool offsets on CNC mill machine. (3)
16. Load mill programs and run in graphics mode. (3)
17. Identify machine codes. (3)
18. Identify and set tools in correct tool holders. (3,4)
19. Turn on and home a CNC lathe machine. (4)
20. Determine tool and work offset settings on CNC lathe. (4)
21. Load lathe programs and run in graphics mode. (4)
||CNC Machine Set Up
CNC 102. CNC Machine Setup (2) (Fall). Basic principles and operative skills to setup and operate through 1st. article part CNC mills and lathes. Prerequisite: CNC 101. One 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 miscellaneous "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 end mill 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)
IPT 261. Machine Shop (3) (Fall). Theory and practice in history, concepts, safety and job planning in the machine shop. Two lecture. Three lab.
1. Standard machine tools
2. Safe machining
3. Hazard correction
4. History of machining
5. Machining procedures for drills, lathes, grinders, and saws
6. Measuring instruments
1. Utilize standard machine shop tools. (1)
2. Use basic machining setup procedures (2,5)
3. Calculate feed rates for boring tools. (1,5)
4. Use and sharpen a cylindrical grinder. (3,5)
5. Identify appropriate cutting fluids for a given job. (2,5)
6. Conduct angular measurement (6)
7. Perform drilling, tapping and reaming on a drill press. (5)
8. Turn a taper on a lathe. (5)
9. Face plate on a lathe. (5)
10. Operate band saw to contour, cut-off, and weld blades. (5)
11. Summarize the history of machining in North America. (4)
12. Debug problems with machines. (2,3)
13. Compile measurement data from metric instruments. (6)
||Intro Manufacturing Technology
MET 100. Introduction to Manufacturing Technology (4) (Fall). Introduction to manufacturing technology including primary and secondary processes, 3D scanner & rapid prototyping, quality control and LEAN manufacturing principles. Preparedness recommendation: Two years of high school math and general computer literacy. Three lecture. Three lab.
1. Primary processes
2. Secondary processes
3. 3D scanner & rapid prototyping
4. Quality control
5. LEAN manufacturing
1. Describe the difference between primary and secondary processing. (1)
2. Describe the process for making steel. (2)
3. Discuss the processes in making raw rubber and raw plastic. (2)
4. List different casting processes and methods. (2)
5. Describe the different types of forming and shaping devices. (2)
6. Explain the fundamentals of machining. (2)
7. Construct workholding methods for mills and lathes. (2)
8. Identify the conditioning processes that change the "structure" of a material. (2)
9. List the types of bonding methods. (2)
10. Differentiate between the types of mechanical fasteners. (2)
11. List the types of converted finishes and define the powder coating process. (2)
12. Explain the basic principles, and list the different types, of rapid prototyping. (3)
13. Determine what is quality control. (4)
14. Define GD & T. (4)
15. Determine the meaning of SPC and why it's used. (4)
16. Explain the reasons for using ISO 9000 Quality Certification. (4)
17. Describe and apply LEAN manufacturing or LEAN production principles. (5)