Ballscrews & Linear Guideways
Measure axis backlash using dial test indicators, inspect linear guide block wipers, evaluate support bearings, and adjust mechanical gibs.
CNC MACHINE MAINTENANCE · TPM & DIAGNOSTICS
Master CNC Preventive Maintenance, Geometric Alignment & Diagnostics.
Master Total Productive Maintenance (TPM), ballscrew backlash measurement, precision leveling, spindle runout testing, hydraulic/pneumatic circuit servicing, and Fanuc/Siemens PLC alarm troubleshooting.
MAINT
PRACTICAL · INDUSTRY · CNC
COURSE OVERVIEW
Maximize CNC machine uptime and restore sub-micron precision.
The Machine Maintenance course at LENOCAM prepares technicians and service engineers to troubleshoot, service, and maintain industrial VMC machines and CNC turning centers. Learn mechanical axis overhauls, ballscrew preload checks, spindle health monitoring, hydraulic chuck servicing, and electrical ladder diagnostics.
Hydraulics, Pneumatics & Lubrication
Service centralized progressive way lubrication pumps, test pneumatic air preparation FRL units, and adjust hydraulic chuck pressure relief valves.
Geometric Alignment & Leveling
Level machine beds using precision master levels, check X/Y/Z axis squareness with granite squares, and tram VMC spindle heads.
Electrical & CNC Controller Alarms
Read machine electrical schematics, troubleshoot 24V DC sensor circuits, diagnose servo drive alarm codes, and perform full CNC parameter backups.
CORE SKILLS
Keep industrial CNC equipment running at peak performance and accuracy.
A hands-on, practical service curriculum covering mechanical overhauls, Total Productive Maintenance (TPM) routines, and systematic fault isolation.
01 TPM ROUTINES
Total Productive Maintenance & Schedules
Establish daily, weekly, monthly, and semi-annual maintenance checklists to eliminate costly unplanned machine downtime.
- Daily fluid level, oil pressure, and air pressure inspection
- Coolant refractometer Brix concentration and pH monitoring
- Automatic chip conveyor and filtration screen servicing
- Way lube consumption audits and metering valve checks
02 AXIS DRIVES
Ballscrew Backlash & Guideway Servicing
Detect mechanical play, ballscrew wear, and adjust backlash compensation parameters.
- Dial test indicator (DTI) axial backlash measurement
- Linear guide rail cleanliness and wiper replacement
- Servo motor coupling inspection and keyway checking
- Controller backlash parameter compensation input
03 SPINDLE HEALTH
Spindle Runout & Drawbar Force Testing
Evaluate spindle bearing condition, thermal growth, and hydraulic tool retention.
- Spindle taper runout testing with 300mm precision test bar
- Hydraulic drawbar retention force gauge measurement
- Spindle oil chiller refrigeration circuit inspection
- Tool changer (ATC) arm alignment and gripper claw adjustment
04 GEOMETRY
Machine Leveling & Geometric Tramming
Use precision spirit levels and master cylinders to restore factory geometric tolerances.
- 0.02mm/m precision level machine base leveling
- Spindle head tramming and table perpendicularity check
- CNC lathe turret center height and tailstock alignment
- Dial indicator sweep on machine table across full travel
05 ELECTRICAL
Electrical Schematics & Sensor Diagnostics
Trace control circuits, safety interlocks, and servo motor feedback encoders.
- Industrial electrical schematic diagram interpretation
- Multimeter testing of 24V DC sensors, limit switches, and solenoids
- Servo amplifier fault codes and overcurrent diagnostics
- Cabinet heat exchanger and fan filter maintenance
06 CONTROLLER
CNC Parameter Backup & Alarm Troubleshooting
Navigate controller diagnostic screens and recover machine home reference positions.
- Fanuc & Siemens SRAM / parameter backup to USB/Ethernet
- PLC ladder diagram diagnostic search on control screen
- Axis overtravel limit release and software limit recovery
- Encoder reference mark zero return (G28/G30) recalibration
PRACTICAL LEARNING
Diagnose breakdowns. Align machine axes. Restore micron precision.
Students perform real teardowns, filter replacements, ballscrew checks, spindle tests, and electrical troubleshooting on training CNC machines under veteran service engineers.
01 Ballscrew Backlash & Guideway Alignment
02 Spindle Drawbar Force & Runout Verification
03 Electrical Schematics & Controller Alarm Diagnostics
WHO IT'S FOR
Built for practical learners.
CNC Maintenance & Service Technicians
Technicians seeking specialized skills in CNC machine breakdown repair, maintenance, and field servicing.
Machinists & Production Supervisors
Machinists wanting to maintain their own equipment, reduce downtime, and diagnose shop-floor issues independently.
Mechanical & Electrical Diploma Holders
Graduates preparing for high-paying CNC service engineer and installation specialist roles in India and the Gulf.
YOUR NEXT STEP
Training that moves you toward the workplace.
LENOCAM provides practical training and career-focused learning to help students move toward manufacturing work.
01 Mechanical & Electrical Basics
02 Hands-on Diagnostics & Alignment
03 CNC Service Engineer Placement
READY TO START?
Take the next step with LENOCAM.
Talk to the LENOCAM team about course details, training schedules and the right program for your goals.