上海巨龙橡塑制品有限公司 自动扶梯手带 扶手带 电梯扶手带生产 自动扶梯扶手带 扶手带出入口 扶梯手带

扶手带的外观质量

扶手带的工作表面应光滑洁净，无明显的分段压制连接痕迹。颜色一致，不允许出现气泡。

彩色扶手带的工作表面色差应小于25mm2， 每米不允许出现二处。在全长上不超过6处。

工作表面不充许出现凹凸，非工作表面的凹凸深高度不能大于0.8MM，面积不能大于20mm2.

修过痕迹，毛刺高度不超过0.5mm，长度不超过5mm，或损深度不超过0.5mm，长度不超过5mm，上述修过痕迹每米不得出现3处。

Exterior appearance quality

Stair-arm belt of working surface must be smooth and neat, non-obvious division of pressing mark. keep consistent conlour and not to appear bubble.

Colour chair-arm belt of working surface's disparity in colour must be smaller than 25mm2 and forbid two point like this in one metre or six point disparity in colour in total length.

Prohibited sunken and convex on working surface. Uneven depth must be smaller than 0zl 8mm and area must be smaller than 20mm2.

Repaired depth must be smaller than 0.5mm, and length must be smaller than 5mm. Damage depth must be smaller than 0.5mm and length must be smaller than 5mm. All these repaired mark must be smaller than three point one metre.