<p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　综框运动规律常用的有简谐运动规律、椭圆比运动规律和正弦加速度运动规律等,前两种用于速度不高的织机上。由于无梭织机的高速化,对开口运动提出了更高的要求,如开、闭口角不相等,后者短一些以增加静止时间;甚至向上开口与向下开口的动程或时间亦不相等,以适应不同的引纬方式。这些变动使综框运动更加复杂化,必须对运动方程式作相应的修正或采用多种曲线的组合。</span></p><section class="_135editor" data-role="paragraph" id="autoparagraph" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section>