Hebei Qinghe Dezheng Auto Parts Co., Ltd. : Standard for inspection of automobile rubber hose (1)
Description:3, low temperature flexural test low temperature rigidity: the hose is clamped on the torsion wheel ....
3, low temperature flexural test low temperature rigidity: the hose is clamped on the torsion wheel with the diameter of 12 times the inner diameter of the hose, parked at low temperature for 6 hours, the torque measured at 180° in 12s and the torque measured at standard temperature. Low temperature bending: the hose is clamped on the torsion wheel with the diameter of 12 times the inner diameter of the hose. After parking at low temperature for 24 hours, it is twisted 180° within 10s to check whether the inside and outside glue is brittle and damaged. The simplest test to measure the low temperature brittleness of the hose is to bend the sample at a low temperature of 90 degrees, or to compress a section of the hose after freezing 1/2 to see whether it is brittle crack. There is also a method that uses a certain weight of the hammer to free fall, impact the sample to see whether the sample is brittle crack.
This article is organized by Hebei Qinghe Dezheng Auto Parts Co., Ltd
