The study of 4RDS compressor and piping vibration is developed in several ten years, which is a new technique and is quickly developing in recent years. Compressor is already main essential equipment in chemical engineering, oil, mine, metallurgy, machinery and defense industry, reliability and benefit whose running directly have an effect on the industry production. The pipeline vibration of the reciprocating compressor is a problem for its safely running. Strong vibrationg will lead to fatigue failure of ...