A detailed Lathe DAILY preventive maintenance Inspection checklist

1. General Inspection

  • Inspect the bed, tailstock, and carriage for scratches or dents.
  • Examine the spindle and chuck for any cracks or deformities.
  • Look for signs of rust or corrosion on metal surfaces.
  • Check the ways for uneven wear or scoring.
  • Verify that all guards are properly mounted and intact.
  • Check for any missing or broken covers.
  • Test the security of guards by attempting to move them.
  • Ensure that safety interlocks are functioning properly.
  • Remove any clutter or debris from the work area.
  • Ensure tools and materials are stored properly.
  • Check for spills or hazards on the floor.
  • Confirm that emergency exits are unobstructed.
  • Test each control for responsiveness and smooth operation.
  • Ensure no objects are blocking control access.
  • Check the labeling of controls for clarity.
  • Confirm that digital displays are functioning and visible.
  • Inspect all visible bolts and fasteners for tightness.
  • Use a torque wrench to verify specifications where applicable.
  • Look for any signs of movement or misalignment.
  • Check the condition of lock washers and nuts.
  • Examine the cord for fraying or cuts.
  • Check the plug for bent prongs or discoloration.
  • Ensure the cord is securely connected to the machine.
  • Look for any exposed wiring.
  • Test the button by pressing it to confirm it stops the machine.
  • Check for any obstructions around the button.
  • Ensure the button is clearly labeled and visible.
  • Confirm that it resets correctly after activation.
  • Inspect hoses and fittings for signs of leakage.
  • Check the floor beneath the lathe for stains or puddles.
  • Look for wet spots on the machine body.
  • Verify the levels of hydraulic fluid and lubricants.
  • Inspect labels for fading or damage.
  • Ensure all necessary safety warnings are present.
  • Check that operational instructions are clearly visible.
  • Replace any missing or illegible labels.
  • Use a level to assess the lathe's horizontal alignment.
  • Check for any gaps between the lathe and the base.
  • Look for signs of shifting or settling.
  • Make necessary adjustments to restore proper alignment.
  • Check the coolant level against the recommended mark.
  • Inspect coolant for contamination or discoloration.
  • Clean the reservoir if sediments are present.
  • Ensure the coolant system is properly sealed.
  • Check the grounding wire connection to the machine.
  • Verify that the grounding system complies with local codes.
  • Test the grounding with a multimeter for continuity.
  • Look for any signs of corrosion at connection points.
  • Inspect pads or mounts for wear or damage.
  • Check the tightness of mounting bolts.
  • Look for any signs of excessive vibration during operation.
  • Ensure pads are properly seated and positioned.
  • Test each gauge for accuracy during operation.
  • Check for any warning lights or indicators on display.
  • Ensure the calibration of gauges is up to date.
  • Look for any physical damage to the indicators.
  • Listen for grinding, rattling, or knocking sounds.
  • Feel for excessive vibrations through the machine frame.
  • Identify the source of any irregular noises.
  • Stop operation if unusual conditions are detected.
  • Inspect the work area and lathe bed for leftover materials.
  • Ensure no tools or parts are left on the lathe.
  • Check inside the chuck and spindle for obstructions.
  • Remove all foreign objects before starting the machine.

2. Lubrication

  • Consult the manufacturer's manual for lubrication points.
  • Use appropriate lubricant as specified.
  • Fill lubrication points until they reach the recommended level.
  • Check for any signs of overfilling or underfilling.
  • Locate the sump and reservoirs based on the manual.
  • Use a dipstick or sight glass to check oil levels.
  • Top off oil if levels are below the recommended mark.
  • Dispose of any waste oil according to regulations.
  • Examine all visible hoses and connections for oil spots.
  • Check seals and gaskets for signs of wear.
  • Perform a pressure test if necessary to identify leaks.
  • Report and address any leaks found immediately.
  • Consult the manufacturer's manual for lubrication points.
  • Use appropriate lubricant as specified.
  • Fill lubrication points until they reach the recommended level.
  • Check for any signs of overfilling or underfilling.
  • Locate the sump and reservoirs based on the manual.
  • Use a dipstick or sight glass to check oil levels.
  • Top off oil if levels are below the recommended mark.
  • Dispose of any waste oil according to regulations.
  • Examine all visible hoses and connections for oil spots.
  • Check seals and gaskets for signs of wear.
  • Perform a pressure test if necessary to identify leaks.
  • Report and address any leaks found immediately.
  • Remove a sample of the lubricant for inspection.
  • Check for color changes indicating oxidation or contamination.
  • Smell the lubricant for any unusual odors.
  • Replace contaminated lubricant immediately.
  • Refer to the manufacturer's specifications for lubricant type.
  • Check product labels and safety data sheets.
  • Avoid mixing different types of lubricants.
  • Confirm that lubricant is within the expiry date.
  • Use a clean rag to wipe grease fittings.
  • Remove any debris or old grease buildup.
  • Ensure fittings are clear before applying new lubricant.
  • Inspect for any damage to fittings during cleaning.
  • Refer to the maintenance schedule for lubrication intervals.
  • Apply lubricant to all designated moving parts.
  • Use the correct amount of lubricant as specified.
  • Avoid applying lubricant to non-moving areas.
  • Inspect hoses and fittings for cracks or leaks.
  • Use manufacturer-approved parts for replacements.
  • Ensure tight and secure connections after replacement.
  • Test the system to confirm proper operation.
  • Examine the automatic lubrication system components.
  • Check for proper oil flow and pressure.
  • Ensure that timers and sensors are functioning correctly.
  • Document any issues for further review.
  • Record the date and time of lubrication tasks.
  • Note any irregularities or issues found.
  • Use a maintenance log or software for documentation.
  • Ensure that records are easily accessible for future reference.

3. Electrical System

  • Examine cords for frays, cuts, or exposed wires.
  • Check plugs for cracks or loose connections.
  • Ensure there are no signs of overheating.
  • Replace any damaged cords or plugs immediately.
  • Press each emergency stop button to confirm activation.
  • Check for immediate cessation of machine operation.
  • Reset the button to ensure it functions correctly.
  • Test all emergency buttons at regular intervals.
  • Inspect for any visible damage or wear.
  • Ensure all switches operate smoothly without resistance.
  • Verify that labels are legible and intact.
  • Clean dust or debris from the panel surfaces.
  • Examine cords for frays, cuts, or exposed wires.
  • Check plugs for cracks or loose connections.
  • Ensure there are no signs of overheating.
  • Replace any damaged cords or plugs immediately.
  • Press each emergency stop button to confirm activation.
  • Check for immediate cessation of machine operation.
  • Reset the button to ensure it functions correctly.
  • Test all emergency buttons at regular intervals.
  • Inspect for any visible damage or wear.
  • Ensure all switches operate smoothly without resistance.
  • Verify that labels are legible and intact.
  • Clean dust or debris from the panel surfaces.
  • Examine circuit breakers for signs of damage.
  • Reset any tripped breakers and test for operation.
  • Monitor for frequent tripping, indicating potential issues.
  • Keep a log of circuit breaker status.
  • Listen for buzzing, humming, or clicking sounds.
  • Identify any burning smells or heat from components.
  • Investigate and address any abnormal findings immediately.
  • Document any concerns for further inspection.
  • Visually inspect connections for corrosion or rust.
  • Use a multimeter to check for continuity.
  • Tighten any loose connections to prevent arcing.
  • Apply anti-corrosion spray if necessary.
  • Activate each alarm and check for sound.
  • Observe indicator lights for proper illumination.
  • Replace any burned-out bulbs or faulty alarms.
  • Document the functionality status of each light.
  • Check fuse boxes for any blown fuses.
  • Replace with fuses of the same rating only.
  • Inspect terminals for corrosion before replacing.
  • Document any fuse replacements.
  • Verify grounding connections are secure and intact.
  • Use a multimeter to measure ground continuity.
  • Inspect ground wires for fraying or damage.
  • Correct any grounding issues immediately.
  • Check power supply connection for tightness.
  • Use a voltmeter to measure voltage levels.
  • Compare readings with machine specifications.
  • Address any discrepancies before operation.
  • Look for frayed insulation or exposed wires.
  • Check for signs of overheating or discoloration.
  • Replace any damaged wiring to prevent hazards.
  • Document the condition of the wiring.
  • Test each interlock by attempting to operate the machine.
  • Ensure the machine does not operate when interlocks are engaged.
  • Inspect for proper alignment and secure mounting.
  • Document any malfunctioning interlocks for repair.

4. Cooling System

  • Inspect coolant reservoir.
  • Add coolant to reach optimal level.
  • Use appropriate coolant type.
  • Avoid overfilling to prevent spills.
  • Examine hoses for visible damage.
  • Check connections for tightness.
  • Look for signs of leakage.
  • Replace any damaged hoses immediately.
  • Listen for unusual noises.
  • Check for consistent flow rate.
  • Inspect pump housing for leaks.
  • Test electrical connections and switches.
  • Inspect coolant reservoir.
  • Add coolant to reach optimal level.
  • Use appropriate coolant type.
  • Avoid overfilling to prevent spills.
  • Examine hoses for visible damage.
  • Check connections for tightness.
  • Look for signs of leakage.
  • Replace any damaged hoses immediately.
  • Listen for unusual noises.
  • Check for consistent flow rate.
  • Inspect pump housing for leaks.
  • Test electrical connections and switches.
  • Drain coolant tank completely.
  • Use a suitable cleaner for residue.
  • Rinse thoroughly and dry before refilling.
  • Dispose of waste according to regulations.
  • Remove filters per manufacturer instructions.
  • Clean filters with appropriate solvent.
  • Replace filters if damaged or worn.
  • Reinstall filters securely.
  • Inspect pump alignment with drive system.
  • Check mounting bolts for tightness.
  • Ensure no vibrations during operation.
  • Readjust if misaligned.
  • Use thermometer to measure coolant temperature.
  • Compare with manufacturer specifications.
  • Adjust coolant if temperature is too high.
  • Record temperature for maintenance logs.
  • Check for blockages or clogs.
  • Clean nozzles with compressed air.
  • Adjust angles for optimal coverage.
  • Ensure even distribution across workpiece.
  • Inspect all lines for blockage signs.
  • Purge air from the system if needed.
  • Check coolant flow during operation.
  • Address any identified issues immediately.
  • Refer to manufacturer guidelines.
  • Test coolant concentration with a refractometer.
  • Adjust mixture as necessary.
  • Record adjustments for reference.
  • Examine all metal components visually.
  • Look for rust or pitting.
  • Replace any corroded parts.
  • Apply protective coatings if needed.
  • Check for proper suction and airflow.
  • Clean or replace filters as necessary.
  • Inspect collection tank for overflow.
  • Ensure all components are secure.

5. Chuck and Tooling

  • Look for cracks, chips, or any surface irregularities.
  • Check for any visible signs of rust or corrosion.
  • Assess the overall condition and functionality of the chuck.
  • Report any significant findings immediately.
  • Verify that tools are tightly fastened in the chuck.
  • Check alignment using a dial indicator if necessary.
  • Ensure no lateral movement is present when tools are engaged.
  • Adjust mounting if misalignment is detected.
  • Inspect cutting edges for wear or damage.
  • Perform a visual check for chips or cracks.
  • Replace any tools that do not meet quality standards.
  • Ensure replacements are compatible with existing tooling.
  • Examine jaw surfaces for wear patterns and damage.
  • Ensure jaws close uniformly and grip securely.
  • Clean any debris that may affect jaw operation.
  • Replace worn jaws as necessary.
  • Use a brush and compressed air to clear debris.
  • Wipe surfaces with a clean cloth and appropriate cleaner.
  • Ensure no residue remains that could affect operation.
  • Inspect for any hidden damage while cleaning.
  • Use a dial indicator to measure runout at the tool tip.
  • Adjust the chuck if runout exceeds acceptable limits.
  • Document measurements for future reference.
  • Check both static and dynamic runout.
  • Inspect all screws and bolts for tightness.
  • Use a torque wrench to ensure specifications are met.
  • Look for signs of wear on screw threads.
  • Retighten or replace any loose or damaged components.
  • Cross-reference tooling with manufacturer specifications.
  • Check shank sizes and tool types against requirements.
  • Ensure correct tool length and diameter for operation.
  • Replace incompatible tools before starting work.
  • Test the gripping mechanism for functionality.
  • Check for smooth operation without binding.
  • Inspect for wear or damage on the keyless mechanism.
  • Lubricate moving parts if necessary.
  • Visual inspection for rust spots or corrosion.
  • Clean any affected areas with rust remover.
  • Apply protective coating to prevent future rust.
  • Store tooling in a dry environment.
  • Spin the chuck by hand to ensure it rotates freely.
  • Listen for any grinding or unusual sounds.
  • Check for vibrations that may indicate issues.
  • Investigate and resolve any problems identified.
  • Inspect the mechanism for wear or damage.
  • Test the quick-change feature for smooth operation.
  • Ensure all components lock securely in place.
  • Lubricate moving parts as needed.
  • Record findings in a maintenance log.
  • Include details such as date, time, and specific issues.
  • Report critical issues to management immediately.
  • Ensure documentation is clear and accessible.
  • Check inventory of tooling and accessories.
  • Inspect each item for functionality and wear.
  • Ensure all necessary tools are on hand for operations.
  • Replace or order any missing or damaged items.
  • Inspect collets for cracks, chips, or distortion.
  • Ensure proper fit within the chuck.
  • Clean collets to prevent contamination.
  • Replace any damaged collets or adapters.
  • Store tools in designated compartments or racks.
  • Use protective covers or cases for sensitive tools.
  • Avoid stacking tools haphazardly to prevent impact damage.
  • Keep storage areas clean and organized.

6. Spindle and Bearings

  • Stand near the lathe while it operates.
  • Pay attention to grinding, rattling, or squealing sounds.
  • Document any unusual noises for further investigation.
  • Use a dial indicator to measure runout.
  • Rotate the spindle and observe the indicator readings.
  • Adjust spindle alignment if runout exceeds specifications.
  • Remove covers to access the bearings.
  • Look for discoloration, scoring, or pitting on bearing surfaces.
  • Check for excessive heat by touching the bearings.
  • Check the settings on the lathe control panel.
  • Confirm that the spindle rotates in the correct direction.
  • Adjust speed settings as needed for the task.
  • Inspect oil levels in the lubrication reservoir.
  • Add lubricant as necessary according to manufacturer guidelines.
  • Examine lubrication lines for blockages or leaks.
  • Gently wiggle the spindle by hand.
  • Check for any noticeable movement or play.
  • Tighten components if play is detected.
  • Use an infrared thermometer to measure spindle temperature.
  • Compare readings against manufacturer's temperature specifications.
  • Shut down if temperatures exceed safe limits.
  • Use a soft brush or cloth to remove debris.
  • Ensure the area is free from dust and chips.
  • Check for any foreign objects that may interfere with operation.
  • Inspect seals for cracks, tears, or deformation.
  • Check for any signs of lubricant leakage.
  • Replace damaged seals to prevent contamination.
  • Test the locking mechanism by engaging and disengaging.
  • Listen for any unusual sounds during operation.
  • Lubricate locking components if necessary.
  • Examine the taper surface closely for any irregularities.
  • Use a magnifying glass if needed for better visibility.
  • Clean the taper to ensure proper tool fitment.
  • Use a torque wrench to check bolt tightness.
  • Refer to manufacturer specifications for torque values.
  • Retighten any bolts that are found loose.
  • Use a vibration meter to measure levels.
  • Compare readings against acceptable vibration thresholds.
  • Investigate any spikes in vibration for underlying issues.

7. Bed and Ways

  • Perform a visual inspection of the bed and ways.
  • Look for any noticeable scratches, dents, or irregularities.
  • Check for uneven surfaces or high spots.
  • Record any findings for future reference.
  • Use a soft brush or vacuum to remove loose chips.
  • Wipe surfaces with a lint-free cloth.
  • Avoid using abrasive materials that could cause scratches.
  • Ensure all areas, including corners, are thoroughly cleaned.
  • Use a level to assess the lathe's bed alignment.
  • Adjust leveling feet if necessary.
  • Check alignment with a precision measuring tool.
  • Document any adjustments made.
  • Examine surfaces for discoloration or rust spots.
  • Use a rust remover if corrosion is present.
  • Apply a protective coating as needed.
  • Monitor for future corrosion development.
  • Check for any oil or coolant spills on the ways.
  • Wipe surfaces dry with a clean cloth.
  • Inspect for residue that could affect movement.
  • Ensure proper drainage to avoid future buildup.
  • Inspect all bolts and fasteners securing the bed.
  • Tighten any loose components to manufacturer specifications.
  • Check for any missing fasteners.
  • Document any issues found.
  • Run your hand over the surfaces to feel for roughness.
  • Use a precision instrument to check surface finish.
  • Ensure there are no irregularities affecting operation.
  • Record findings and any required actions.
  • Place a precision straightedge across the bed.
  • Use feeler gauges to check for gaps.
  • Measure any deviations from flatness.
  • Document measurements for review.
  • Manually move the saddle and carriage along the ways.
  • Listen for any unusual noises indicating binding.
  • Check for smooth movement without resistance.
  • Lubricate if necessary to enhance movement.
  • Inspect gibs for wear or damage.
  • Adjust gib screws to maintain proper clearance.
  • Ensure that gibs are tight enough to prevent movement.
  • Monitor adjustments for smooth operation.
  • Use a brush or vacuum to clear T-slots.
  • Check for chips or debris that could obstruct movement.
  • Wipe with a clean cloth to ensure cleanliness.
  • Document any findings.
  • Observe the lathe during operation for abnormal vibrations.
  • Listen for unusual noises that may indicate problems.
  • Stop operation if significant issues are detected.
  • Investigate and document any concerns.
  • Refer to the manufacturer's lubrication guidelines.
  • Apply lubricant evenly to all specified areas.
  • Ensure no excess lubricant accumulates.
  • Monitor for smooth operation post-lubrication.
  • Record all inspections, findings, and actions taken.
  • Include dates and specifics of maintenance performed.
  • Store documentation in a maintenance log.
  • Review logs regularly for trends or recurring issues.

8. Safety Features

9. Documentation

Related Checklists