螺杆式空压机，是一种空气压缩机，有单双螺杆两种。双螺杆空压机的发明比单螺杆空压机晚十几年，设计上双螺杆式空压机更趋合理、先进。
Screw type air compressor is a type of air compressor that comes in two types: single and double screw. The invention of the twin screw air compressor was more than ten years later than the single screw air compressor, and the design of the twin screw air compressor is more reasonable and advanced.
双螺杆空压机克服了单螺杆空压机不平衡、轴承易损的缺点，具有寿命长，噪音低，更加节能等优点。八十年代技术成熟后，其应用范围在日渐扩大。
Twin screw air compressors overcome the shortcomings of single screw air compressors such as imbalance and bearing wear, and have advantages such as long service life, low noise, and more energy saving. After the technology matured in the 1980s, its application scope gradually expanded.
用可靠性高的螺杆式空压机取代易损件多、可靠性差的活塞式空压机，已经成为必然趋势。根据统计：日本螺杆压缩机1976年仅占27%，1985年则上升到85%。而西方发达国家螺杆空压机市场占有率为80%，并保持上升势头。螺杆空压机具有结构简单、体积小、没有易损件、工作可靠、寿命长、维修简单等优点。
It has become an inevitable trend to replace piston type air compressors with high reliability screw type air compressors, which have many vulnerable parts and poor reliability. According to statistics, screw compressors in Japan accounted for only 27% in 1976, but increased to 85% in 1985. However, the market share of screw air compressors in developed Western countries is 80% and has maintained an upward trend. The screw air compressor has the advantages of simple structure, small volume, no vulnerable parts, reliable operation, long service life, and simple maintenance.
单螺杆空压机又称蜗杆空压机，单螺杆空压机的啮合副由一个6头螺杆和2个11齿的星轮构成。蜗杆同时与两个星轮啮合即使蜗杆受力平衡，又使排型线  流水槽模具 景观石 检查井钢模具 保定通风管道 隔离墩模具 保定保洁公司量增加一倍，空压机的体积小，每分钟只有9立方米（9m3/min）蜗杆空压机的重量仅为活塞式的1/6。
A single screw air compressor, also known as a worm air compressor, has a meshing pair consisting of a 6-head screw and two 11 tooth star wheels. The worm is simultaneously meshed with two star gears, even if the worm force is balanced, it doubles the displacement. The volume of the air compressor is small, with only 9 cubic meters (9m3/min) per minute. The weight of the worm air compressor is only 1/6 of that of the piston type.