Product description of worm screw jack 1, SWL screw jack is a basic lifting component, with many advantages such as compact structure, small size, light weight, noise-free, safe and convenient, flexible use, high reliability, extensive power sources, multiple supporting functions, and long service life. It can be used individually or in combination, and can accurately control and adjust the lifting or advancing height according to a certain procedure. The potential, risks, and opportunities of the machinery industry during the 12th Five-Year Plan can be predicted. It can be driven directly by an electric motor or other power source, or it can be manually operated. 2, In order to improve the efficiency and load capacity of the screw jack, special and advanced processes have been developed to enhance the overall performance of the jack to meet the requirements of a wide range of customers, planetary gear reducers. 3, SWL screw jacks have many functions such as lifting, lowering, and advancing, flipping, and various height position adjustments with the help of accessories, and are widely used in various industries such as machinery, metallurgy, construction, water conservancy, chemical engineering, medical treatment, culture, and sports. 4, Screw jacks have different structural types and assembly types, and the lifting height can be customized according to the user's requirements. There are two main types of screw jacks: SWL screw jacks and JWM spiral jacks.