Method for treating mold surface by using laser hardening
A mold surface and laser quenching technology, applied in the field of mold surface surface quenching, can solve the problems of inability to strengthen low-carbon content materials, surface decarburization, and inability to use strengthening treatment for large molds
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Embodiment 1
[0038] Step 1: Spray the water-based carbon-containing paint evenly on the cleaned mold surface with a spray thickness of 0.1-0.2mm. The water-based carbon-containing coating is composed of the following components according to the mass percentage: C and carbide: 5%, light-absorbing coating: 10%, binder: 85%, and the light-absorbing coating is composed of the following components according to the mass percentage: W : 20%, Cr: 20%, Mo: 5%, Co: 10%, and the balance is manganese. C and carbides are composed of carbon black and carbides, carbides account for 15% of C and carbides, carbides are mixed with tungsten carbide and silicon carbide at a mass ratio of 2:3, and the binder is composed of 1:0.05 alcohol mixed with paint flakes;
[0039] Set the laser power to 0.5KW, the scanning speed to 100mm / min, and the laser bandwidth to 2mm, and perform laser infiltration treatment;
[0040] Step 2: Set the laser power to 1KW, the scanning speed to 300mm / min, and the laser bandwidth to...
Embodiment 2
[0042] Step 1: Spray the water-based carbon-containing paint evenly on the cleaned mold surface with a spray thickness of 0.1-0.2mm. The water-based carbon-containing coating is composed of the following components according to the mass percentage: C and carbide: 25%, light-absorbing coating: 20%, binder: 55%, and the light-absorbing coating is composed of the following components according to the mass percentage: W : 30%, Cr: 30%, Mo: 10%, Co: 20%, and the balance is boron. C and carbides are composed of carbon black and carbides, carbides account for 30% of C and carbides, carbides are mixed with tungsten carbide and silicon carbide at a mass ratio of 2:3, and the binder is composed of 1:0.05 alcohol mixed with paint flakes;
[0043] Set the laser power to 4KW, the scanning speed to 500mm / min, and the laser bandwidth to 40mm for laser infiltration treatment;
[0044] Step 2: Set the laser power to 5KW, the scanning speed to 2000mm / min, and the laser bandwidth to 40mm. Carry ...
Embodiment 3
[0046] Step 1: Spray the water-based carbon-containing paint evenly on the cleaned mold surface with a spray thickness of 0.1-0.2mm. The water-based carbon-containing coating is composed of the following components according to the mass percentage: C and carbide: 15%, light-absorbing coating: 15%, binder: 70%, and the light-absorbing coating is composed of the following components according to the mass percentage: W : 25%, Cr: 25%, Mo: 8%, Co: 15%, and the balance is boron. C and carbides are composed of carbon black and carbides, carbides account for 20% of C and carbides, carbides are mixed with tungsten carbide and silicon carbide at a mass ratio of 2:3, and the binder is composed of 1:0.05 alcohol mixed with paint flakes;
[0047] Set the laser power to 2KW, the scanning speed to 300mm / min, and the laser bandwidth to 10mm, and perform laser infiltration treatment;
[0048] Step 2: Set the laser power to 3KW, the scanning speed to 1000mm / min, and the laser bandwidth to 10...
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