Computer Numerical Control (CNC)
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CNC Overview – 40 Hours
This course is designed for anyone working around CNC equipment, such as operators, machine repair, electricians and inspectors. Participants will review some mathematical functions and have an understanding of: Cartesian Coordinate Systems, turning center programming, machining center programming, part set-up, tooling set-up, and upload/download programs. Topics include:
- Safety
- Cartesian Coordinate System
- Work Piece Coordinate System
- Fixture offsets
- Tool lengths
- Absolute and incremental position systems parameters
- Basic axis moves and direction for X, Y, Z
- G-codes, M-codes, S-codes, F-codes, and T-codes
- CRT display screens
- Control panel selector switches and buttons
- Mode control
CNC for Electricians – 40 Hours
This course will cover diagnostic procedures on the CNC controller, system maintenance and troubleshooting the machining center. Participants review operation diagrams, identify and locate key components, perform software & hardware diagnostics, and conduct routine operational checks. Topics include:
- Renishaw probe
- Flow charts
- Ladder diagrams
- Binary and hexadecimal numbering systems
- CRT display screens
- Setup and leveling machine members
- Lubrication for slide ways, spindle, spindle transmission, and ballnuts
- Ballscrew/ballnut, backlash, calibration and reset
- Proximity, limit, pressure, flow, float and photoelectric switches
- Electrohydraulics
- Pallet selection
- Fixture setup
- Removing and replacing fixture hardware
CNC for Machine Repair – 40 Hours
This course is designed for anyone involved in mechanical maintenance of the CNC machine. Participants will understand the basic diagnostic procedures for CNC controllers, system maintenance and troubleshooting the machining center. Topics include:
- Mathematics review
- Cartesian Coordinate System
- Renishaw probe
- Flow charts, ladder diagrams
- Binary and hexadecimal numbering systems
- CRT display screens
- What the CRT tells you: bits, codes, messages, words, etc.
- Setup and leveling machine members
- Lubrication for slide ways, spindle, spindle transmission, and ballnuts
- Ballscrew/ballnut backlash calibration and reset
- Proximity, limit, pressure, flow, float, and photoelectric switches
- Pallet selection
- Fixture setup
- Remove and replace fixture, spindle, and slide ways
- Know when to call an electrician
CNC Programming – 40 Hours
This course will emphasize manually programming machines with various capabilities, including absolute and incremental positional systems; word address and menu driven formats; and machines with two, three, four and five-axis control. Participants will also understand how to read CNC binary decimal tape and how to write programs using tab sequential and word address formats. Topics include:
- Introduction to CNC
- Blueprint interpretation
- Machine methodology
- Programming basic machine
- Computer numerical control programming
- Test program
- Control systems
- Auxiliary functions
- Programming tab sequential and word address
- Computer assistance
CNC for Fanuc Controllers - 40 Hours
This course presents the essentials of programming, troubleshooting, and repairing machine tool equipment utilizing the Fanuc CNC control. Emphasis is placed on part programming, ladder logic troubleshooting, simple debugging and nomenclature necessary to communicate with design engineers and other trades in the maintenance and troubleshooting of CNC equipment. Topics include:
- CNC CRT/MDI Operations
- Basic Part Programming
- PMC Operation
- Hardware/Parameters
- Diagnostics
- Control Backup using PROCOMM PLUS
- Control Backup using the Memory Card
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