Lesson 1Overview of CNC Milling Center: Spindle, Axes, Table, Tool Changer, Enclosure, and Conveyor SetupDis part introduce the CNC milling center as one complete system, showing how spindle, axes, table, automatic tool changer, enclosure, and conveyors connect. It stress how parts work together, the workflow, and basic checks during maintenance.
Main structural groups and castingsSpindle, axes, and table connectionsTool changer position and movement pathsEnclosure, doors, and chip holdingConveyor paths and chip removalWalkaround check and starting point testsLesson 2Lubrication and Coolant Systems: Central Pumps, Lines, Nozzles, Coolant Filters, Tramp Oil and Sump CareDis part explain lubrication and coolant systems, including pumps, measuring devices, lines, nozzles, filters, and sump management. It connect fluid condition to accuracy, part lifespan, and following environmental rules.
Central lube pumps and measuring unitsWay lube lines and leak spotsCoolant nozzles, flow, and chip removalFilters, screens, and bag typesTramp oil removal and strength testsSump cleaning, disposal, and recordsLesson 3Conveyor and Side Parts Setup: Automatic Part Handling, Sensors, Motorized Rollers, Timing, and Safety GuardsDis part look at conveyors and side devices for handling chips and parts. It cover motors, sensors, timing, guards, and connection to CNC controls to make sure reliable, safe, and easy-to-maintain operation.
Chip conveyor kinds and drive choicesPart handling tools and release mechanismsConveyor sensors, jams, and level switchesTiming with CNC cycles and M-codesSafety guards, locks, and signsRegular cleaning and wear checksLesson 4Linear Motion and Axis Parts: Ball Screws, Linear Guides, Encoders, Backlash and Preload IdeasDis part detail axis mechanics, including ball screws, linear guides, and encoders. It introduce backlash, preload, and alignment ideas, and show how dem affect accuracy, strength, and long-term machine trust.
Axis movement chain and load pathsBall screw build and support bearingsLinear guide kinds, sizes, and lubricationEncoder placement, detail, and feedbackBacklash measure and fixPreload, strength, and heat growth effectsLesson 5Automatic Tool Changer (ATC) and Magazine Mechanics: Grippers, Selectors, Sensors, ChecksDis part explain ATC and magazine build, including grippers, carousels, sensors, and drives. It cover alignment, tool data handling, checks, and regular maintenance to avoid wrong loads and crashes.
ATC setups: carousel, chain, drum kindsGrippers, pots, and tool hold checksMagazine turn drives and home pointsTool presence, position, and angle sensorsATC change steps and locksCommon ATC problems and check routinesLesson 6Detailed Spindle and Drive System Parts: Bearings, Motor Kinds (Servo/Variable Frequency), Belts, CouplingsDis part focus on spindle and drive parts, including bearings, motors, belts, and couplings. It explain speed control, vibration sources, lubrication needs, and maintenance ways to make spindle last longer.
Spindle cartridge setup and cooling pathsBearing kinds, preload, and failure waysServo and induction spindle motor choicesBelts, pulleys, and tension fixesCouplings, keys, and alignment checksVibration, noise, and temperature watchingLesson 7Sensors and Safety Parts: Limit/Home Switches, Locks, E-stops, Vibration and Temperature SensorsDis part cover sensors and safety parts, including limit and home switches, door locks, E-stops, and condition sensors. It stress testing, wiring checks, and records to keep safe operation going.
Limit and home switch placesDoor and guard lock ideasEmergency stop circuits and reset testsVibration and temperature watch usesSafety relays, circuits, and standardsRegular safety check stepsLesson 8Electrical and Control Parts: Power Spread, Drives, Servo Amplifiers, PLC, CNC Controller, HMIs and IO MappingDis part cover electrical power spread, servo drives, amplifiers, PLC, CNC controller, HMI, and I/O mapping. It connect drawings to real hardware, stressing troubleshooting, grounding, and safe measure ways.
Main power spread and protectionServo drives, amplifiers, and motor cablesPLC roles, I/O modules, and field wiringCNC controller build and settingsHMI screens, alarms, and checksI/O mapping, signal tracing, and testing