BICYCLE SEAT RAIL MANUFACTURING METHOD
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United States of America
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Dec 12, 2024
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Jun 12, 2023
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Jun 12, 2023
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Abstract
A bicycle seat rail manufacturing method includes the steps of: pre-annealing, providing an aluminum alloy workpiece having undergone pre-annealing; first-stage heat treatment, performing heat treatment of full annealing on the aluminum alloy workpiece by a bending shaping, calendaring the aluminum alloy workpiece by a calendering shaping for a cooling time period, and bombarding the aluminum alloy workpiece by a cold forging shaping to increase its cross-sectional area; second-stage heat treatment, enhancing hardness of the aluminum alloy workpiece by a quenching shaping, and enhancing internal structure stability of the aluminum alloy workpiece by a tempering shaping; and cryogenic treatment, performing high-speed bombardments on the surface of the aluminum alloy workpiece by a shot blasting shaping to enhance its durability and service life. Therefore, a bicycle seat rail integrally formed of aluminum alloy is manufactured by the aforesaid steps.
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