外壳用不锈钢村料制成的自己动伸缩式防护带，是由外壳、弹簧轴、和纤维布等组成。外壳是用不锈钢或冷轨板制成，并经表面防腐处理，内部结构是经过热处理钢带组装而成，此产品的结构严紧，合理、无嗓音，适合空间小、行程大、且运动快的机床设备使用。

The automatic pull-out and take up shield with the shell made of stainless steel consists of shell,spring shaft and fabric cloth.The shell is made of stainless steel or cold rolled steel plate,of which the surface is anticorrosion tre ated. The internal parts are made of heat freated steel band,This prodrct is of compact design and noise free,long travel range and especially suitnble for fast travel muchine tools.