OIL-free Screw Blowers Manufacturers

How do oil-free screw blowers compare in terms of noise levels and operational smoothness compared to oil-injected blowers?
When it comes to selecting a blower system for industrial or commercial applications, factors such as noise levels and operational smoothness play a crucial role in decision-making. 
1. Noise Levels:
Oil-Free Screw Blowers:
Oil-free screw blowers are renowned for their relatively quiet operation compared to oil-injected blowers. This advantage stems from the design principle that eliminates the need for oil-lubricated gears and bearings. By doing so, the sources of mechanical noise are significantly reduced.
Furthermore, the absence of oil in the compression chamber minimizes the chances of oil mist or droplets escaping into the surrounding environment, which can contribute to elevated noise levels in oil-injected blowers. Modern advancements in oil-free screw blower technology often integrate sound-dampening features and sophisticated engineering techniques, further mitigating noise emissions.
In environments where noise pollution is a concern, such as laboratories, hospitals, and office buildings, oil-free screw blowers provide a quieter and more conducive working atmosphere.
Oil-Injected Blowers:
On the other hand, oil-injected blowers typically exhibit higher noise levels compared to their oil-free counterparts. The presence of oil within the blower's mechanisms, particularly in gears and bearings, can generate additional noise during operation. Additionally, oil mist or droplets escaping from the blower can contribute to an increase in ambient noise levels.
While efforts can be made to reduce noise through sound insulation and enclosure designs, oil-injected blowers inherently face challenges in achieving the same level of noise reduction as oil-free screw blowers.
2. Operational Smoothness:
Oil-free screw blowers:
Operational smoothness is another area where oil-free screw blowers excel. The absence of oil in the compression chamber reduces friction and wear on internal components, resulting in a smoother and more consistent airflow. This smoother operation not only enhances efficiency but also contributes to reduced vibration levels.
The stability of the compression process in oil-free screw blowers leads to a more reliable and predictable performance, minimizing fluctuations in output and ensuring consistent results. This operational smoothness translates into lower maintenance requirements and extended equipment lifespan.
Oil-Injected Blowers:
In contrast, oil-injected blowers may experience operational challenges related to oil contamination and wear on moving parts. The presence of oil can lead to variances in airflow and pressure, impacting the blower's performance and requiring more frequent maintenance interventions.
Moreover, the lubrication oil in oil-injected blowers can deteriorate over time, leading to increased friction, heat generation, and potential mechanical issues. These factors contribute to a less smooth and stable operation compared to oil-free screw blowers.