Bicycle front fork enhanced treatment process
A strengthening treatment, bicycle technology, applied in bicycle accessories, coating, transportation and packaging, etc., can solve problems such as corrosion, easy paint peeling, exposed metal layer, etc.
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Embodiment 1
[0023] A process for strengthening the front fork of a bicycle, comprising the following steps:
[0024] S1. Sandblasting, blasting the outer surface of the front fork to make the surface roughness of the front fork reach Ra25;
[0025] S2, heat strengthening, heating the front fork after surface treatment at 1300 ℃;
[0026] S3, annealing, annealing the front fork, annealing is divided into three stages, the temperature of the first stage is 900 ℃, under nitrogen protection, the temperature of the second stage is 800 ℃, under nitrogen protection, the temperature of the third stage is 500 ℃, cooled in air;
[0027] S4, sol, smear the front fork surface with acrylic resin hot-melt adhesive, so that a layer of acrylic resin adhesive is formed on the front fork surface;
[0028] S5, bonding, heating the front fork to the hot-melting state of the adhesive, and bonding thermoplastic polyurethane elastic particles with a diameter of 2 mm on the outside of the adhesive;
[0029] S...
Embodiment 2
[0035] A process for strengthening the front fork of a bicycle, comprising the following steps:
[0036] S1. Sandblasting, blasting the outer surface of the front fork to make the surface roughness of the front fork reach Ra25;
[0037] S2, heat strengthening, heating the front fork after surface treatment at 1200 ℃;
[0038] S3, annealing, annealing the front fork, annealing is divided into three stages, the temperature of the first stage is 850 ℃, under nitrogen protection, the temperature of the second stage is 600 ℃, under nitrogen protection, the temperature of the third stage is 400 ℃, cooled in air;
[0039] S4, sol, smear the front fork surface with acrylic resin hot-melt adhesive, so that a layer of acrylic resin adhesive is formed on the front fork surface;
[0040] S5, bonding, heating the front fork to the hot-melting state of the adhesive, and bonding thermoplastic polyurethane elastic particles with a diameter of 2 mm on the outside of the adhesive;
[0041] S...
Embodiment 3
[0047] A process for strengthening the front fork of a bicycle, comprising the following steps:
[0048] S1. Sandblasting, blasting the outer surface of the front fork to make the surface roughness of the front fork reach Ra25;
[0049] S2, heat strengthening, heating the front fork after surface treatment at 1000 ℃;
[0050] S3, annealing, annealing the front fork, annealing is divided into three stages, the temperature of the first stage is 800 ℃, under nitrogen protection, the temperature of the second stage is 500 ℃, under nitrogen protection, the temperature of the third stage is 300 ℃, cooled in air;
[0051] S4, sol, smear the front fork surface with acrylic resin hot-melt adhesive, so that a layer of acrylic resin adhesive is formed on the front fork surface;
[0052] S5, bonding, heating the front fork to the hot-melting state of the adhesive, and bonding thermoplastic polyurethane elastic particles with a diameter of 2 mm on the outside of the adhesive;
[0053] S...
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