办公椅靠背反复冲击试验机 办公椅反复靠背试验机  办公椅冲击试验机  办公椅靠背试验机 办公椅拉背测试机 办公椅拉背测试机

Office chair back repeated impact testing machine office chair repeated back test machine office chair impact testing machine office chair back test machine office chair back test machine

一、【办公椅靠背反复冲击试验机】说明：

固定办公椅之脚轮,对办公椅靠背以一定力量、方向、行程、速度及规定次数作反复靠背动作,然后检视各部位是否变、松动及熔接牢度。

First, the back of the office chair back impact test machine:
Fixed office chair casters, the office chair backrest with certain strength, direction, journey, speed and specified times for repeated back action, and then examine whether all parts of a variable, loosening and melting connection fastness.