Compressed Air: The Foundation of the Factory and a Growing Energy Storage Business

01 · Maintenance

The Compressor Room: The Last Suspect in Line

Robotics and Automation News revisits a truth many plants still ignore: a compressed air system isn't just "plumbing" tucked away somewhere near the shop floor - it's critical infrastructure for automated production [1]. The trouble is that its failures rarely look like a compressed air problem. Pressure fluctuations show up as robot gripper errors, cycle-time drift, or unplanned downtime - symptoms that maintenance teams instinctively associate with a robot malfunction or a PLC fault. As a result, diagnostics head in the wrong direction: technicians check control logic, gripper calibration, and robot settings - while the compressor room, the actual source of the problem, is checked last, if anyone checks it at all.

The author also points to a mistake made as early as the system design stage: sizing CFM capacity based on average nominal consumption rather than simultaneous peak demand. When several pneumatic devices draw air at the same moment - for example, during a synchronized cycle across multiple robotic stations - a system that was theoretically "sufficient" suddenly can't keep up, and the resulting pressure drop ripples across the entire production line. The takeaway for maintenance teams is simple: compressed air deserves just as much diagnostic and investment attention as the controllers and robots it powers.