Rotor clearance issues or debris can lead to metallic contact sounds Loose or worn belts squeal or howl, especially under load Airflow pulsations, valve leaks, or turbulence create hissing or whistling Bolts, nuts, and mounting pads loosen over time, amplifying noise
[pdf] The Variable Frequency Rotary Screw Air Compressor is an energy efficient solution for industrial air compression requirements. The motor output frequency is intelligently matched to air consumption, making it more energy efficient and longer lasting than traditional air compressors.
[pdf] Epiroc’s new long-hole production drill rig for small to medium-sized drifts, Simba SM60 S, is built to out-perform. With a new carousel design and cutting-edge automation features, this rig ensures optimal performance without compromising on safety.
[pdf] 
