High-strength abrasion-resistant casting for mechanical arms and casting process of high-strength abrasion-resistant casting for mechanical arms
A high-strength, mechanical arm technology, applied in the field of precision alloy materials, can solve the problems of insufficient strength of mechanical arm components, short service life of the mechanical arm, and wear and tear of casting surfaces, achieving high tensile strength, long service life, and wear resistance strong effect
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Embodiment 1
[0022] The high-strength wear-resistant casting for the mechanical arm of this embodiment contains the following chemical elements and their mass percentages: C: 1.1-1.6%, Mn: 8.3-12.3%, W: 0.32-0.63%, Al: 0.56-1.22 %, Cr: 0.06-0.12%, Ni: 0.08-0.16%, Mo: 0.16-0.35%, Co: 0.12-0.19%, B: 0.02-0.039%, Cu: 0.14-0.2%, Re: ≤0.04%, S: ≤0.04%, P: ≤0.06%; the balance is Fe and unavoidable impurities.
[0023] According to the percentage by weight of each chemical component in the raw material of this embodiment, casting method comprises the following steps:
[0024] S1. Weighing C, Mn, W, Al, Cr, Ni, Mo, Co, B, Cu, Re, S, P and Fe according to the weight percentage of the raw materials, melting and blending the raw materials to obtain molten iron;
[0025] S2, first preheating the mold equipment for casting, pouring the molten iron prepared in step S1 into the preheated mold for molding, keeping the pouring temperature controlled at 1450-1500°C to obtain a casting;
[0026] S3. Heatin...
Embodiment 2
[0028] The high-strength wear-resistant casting for the mechanical arm of this embodiment contains the following chemical elements and their mass percentages: C: 1.1%, Mn: 8.3%, W: 0.32%, Al: 0.56%, Cr: 0.06%, Ni : 0.08%, Mo: 0.16%, Co: 0.12%, B: 0.02%, Cu: 0.14%, Re: 0.01%, S: 0.02%, P: 0.02%; the balance is Fe and unavoidable impurities.
[0029] According to the percentage by weight of each chemical component in the raw material of this embodiment, casting method comprises the following steps:
[0030] S1. Weighing C, Mn, W, Al, Cr, Ni, Mo, Co, B, Cu, Re, S, P and Fe according to the weight percentage of the raw materials, melting and blending the raw materials to obtain molten iron;
[0031] S2, first preheating the mold equipment for casting, pouring the molten iron prepared in step S1 into the preheated mold for molding, keeping the pouring temperature controlled at 1450°C to obtain a casting;
[0032] S3. Heating the casting obtained in step S2 to 860° C., keeping it w...
Embodiment 3
[0034] The high-strength wear-resistant casting for the mechanical arm of this embodiment contains the following chemical elements and their mass percentages: C: 1.6%, Mn: 12.3%, W: 0.63%, Al: 1.22%, Cr: 0.12%, Ni : 0.16%, Mo: 0.35%, Co: 0.19%, B: 0.039%, Cu: 0.2%, Re: 0.04%, S: 0.04%, P: 0.06%; the balance is Fe and unavoidable impurities.
[0035] According to the percentage by weight of each chemical component in the raw material of this embodiment, casting method comprises the following steps:
[0036] S1. Weighing C, Mn, W, Al, Cr, Ni, Mo, Co, B, Cu, Re, S, P and Fe according to the weight percentage of the raw materials, melting and blending the raw materials to obtain molten iron;
[0037] S2, first preheating the mold equipment for casting, pouring the molten iron prepared in step S1 into the preheated mold for molding, keeping the pouring temperature at 1500°C to obtain a casting;
[0038] S3. Heating the casting obtained in step S2 to 950° C., keeping it warm for 12...
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