Hebei Qinghe Dezheng Auto Parts Co., Ltd. : Standard for inspection of automobile rubber hose (2)
Description:4, bending test: after bending the hose to a certain extent, measure the ratio of the minimum outer ....
4, bending test: after bending the hose to a certain extent, measure the ratio of the minimum outer diameter of the bending part and the outer diameter before bending, the ability of the steel ball through and the bending force when pressurizing in the pipe.
5, suction flat test: vacuum within 1min, keep 10min, with the diameter of the rubber pipe diameter 0.9 times the steel ball rolled, check the degree of collapse of the rubber pipe. Some standards are used to measure the change rate of the outer diameter of the hose to indicate the degree of deformation of the hose.
This article is organized by Hebei Qinghe Dezheng Auto Parts Co., Ltd
