Device and method for testing rebound rate of O-shaped sealing ring
A testing device and rebound rate technology, which is applied in the direction of testing material hardness, etc., can solve the problems of sealing ring and sealing surface contact pressure seal failure, rubber ring rebound speed can not respond to the deformation of shell structural parts in time, and achieve stable performance , Reliable structure and simple principle
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[0019] Such as figure 1 As shown, an "O"-shaped sealing ring rebound rate test device includes a two-way chuck type double iron core electromagnet and a laser ranging sensor 8. The two-way suction cup type double iron core electromagnet includes a compression electromagnet 7, a rebound electromagnet 2, a "H"-shaped movable iron core 3, two connecting plates and a "U"-shaped groove pressing plate 6. The structure size, compression force and rebound rate of the two-way suction cup type double-iron core electromagnet are determined according to the sealing ring material, size and compression rate. The two-way suction cup type double-iron core electromagnet adopts interlocking; the size of the "U"-shaped compression groove is based on The diameter and compression rate of the sealing ring are determined; the aluminum thin strip 4 is 60mm long, 5mm wide, and 0.05mm; the installation size, measuring range, accuracy and sampling frequency of the laser displacement sensor 8 are selected ...
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