为研究蒙皮零件在拉伸成形过程中的变形行为，自行研制开发了1 MN数控蒙皮拉伸成形试验机系统。

To study the deformation behavior of skin parts during the process of stretch-forming, a 1mn numerical control skin stretch forming testing system was developed.

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型机是英国进口的一种适合生产常规和细旦涤纶低弹丝（DTY）的高速纺拉伸变形机。

SDS900-A machine is a new type hi-speed texturing machine imported from U. K. It is suitable for producing regular and fine polyester DTY.

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