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本文在介绍划印器结构和工作原理的基础上，分析了划印器升降机构中两钢丝绳的受力情况，确定出其危险位置，从而为选择钢丝绳型号和改变其结构形状与尺寸提供了理论依据。
Based on the introduction of structure and working principle of scriber, this paper analyzes the force of two ropes in scriber lifting mechanism and determines its dangerous position, which provides a theory for selecting the type of wire rope and changing its shape and size in accordance with.