With the month of September Full production returns to machine shops and CNC departments. After weeks of downtime or reduced activity, it's essential to resume work safely and efficiently, ensuring machine tools are in perfect operating condition. Restarting without proper maintenance can result in drops in accuracy, unexpected errors or, in the worst cases, costly machine downtime.For this reason, it is advisable to plan a series of targeted technical checks, useful for restoring each machine to its full functionality.

Why perform checks after the summer?

During the summer, many companies stop or slow down production. During this time, even machines, even if they are not working, are affected by:

• temperature variations and humidity changes
• dust accumulations in the guides and electrical panels
• deposits in lubrication circuits
• light oxidations in the absence of work cycles
  

These factors, if neglected, can cause premature wear, abnormal vibrations or reference errors already in the first working cycles. This is why a preventive return maintenance It is a simple but strategic action to guarantee quality, safety, and production continuity.

Recommended technical checklist for restarting

For put machine tools back into operation safely, we recommend that you follow this checklist:

✅ Lubricant check

• Check the oil level in each circuit
• Analyze the color and viscosity: cloudy or too dark oil = replace
• Clean any clogged or contaminated filters
  

✅ CNC and electronics control

• Start the machine and check for any alarms or errors
• Check that the display, buttons and manual controls are working correctly.
• Make an up-to-date backup of your machine configurations and programs
  

✅ Mechanical testing of axes and moving components

• Manually move (or jog) the axes to check for smoothness and no play.
• Listen for any unusual noises or vibrations
• Check machine references, zero position and axis precision
  

✅ Cleaning and visual inspection

• Remove dust from guides, panels, frames and spindles
• Visually inspect seals, cables and hoses
• Check for any signs of wear or surface corrosion
  

✅ Updates and security

• Check your CNC software version and see if any updates are available.
• Check the operation of the guards, doors and microswitches
• Restores the machine area to optimal working conditions
  

When is it best to request a professional check-up?

If during the checks you notice one or more of the following signs:

• abnormal noises during start-up
• persistent CNC errors
• slowing down or lengthening of cycles
• machines that have been left idle for more than 30 days without being started
  

…then it is advisable to rely on a qualified technical intervention, which can analyze the machine's conditions in depth. 

Conclusion: Restart with efficiency and safety

September is the perfect time to resume activity with order, method and technical awareness. machine tools, like all precision instruments, they need to be carefully monitored and maintained to continue to deliver maximum performance.

Do you need a technical inspection or want to schedule a preventive check?

Contact the team LarioWe'll support you in your recovery with experience, speed, and customized solutions.