一、前言窗式空调器的蒸发器和冷凝器,主要采用铜管与铝片组成的肋片式换热器。近十年来,由于空调器的普及和批量生产技术取得了很大进展,因此,对铜管厂所生产的铜管的质量和性能也相应提出了多方面的要求。最初,空调器厂所使用的铜管,一般是尺寸为φ9.5×0.8的经过热处理的直铜管。在生产过程中,再将其切断并加工成发夹式弯头和回转式弯头等型式。由于软质管不便于处理和加工,所以,随着表面 I. Introduction Window evaporator and condenser air conditioner, the main use of copper and aluminum plate fin heat exchanger. In recent ten years, due to the popularization of air conditioners and mass production technology has made great progress, therefore, the quality and performance of the copper tube produced by the copper plant also made a number of corresponding requirements. Initially, the air conditioner plant used brass, usually size φ9.5 × 0.8 after heat treatment of the straight brass. In the production process, and then cut off and processed into hairpin elbow and rotary elbow and other types. As the soft tube is not easy to handle and process, so with the surface