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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

Active Publication Date: 2016-07-13
HEXIAN LONGSHENG PRECISION MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the mechanical arms used in the stamping industry are often adjusted left, right, up, down, or forward and backward on a plane. The operation of the mechanical arm will cause the wear of various parts of the mechanical arm, and the surface of the casting is severely worn. Therefore, the existing mechanical arm products have many technical limitations. The strength of the mechanical arm components is not enough, the wear resistance is poor, and the service life of the mechanical arm is not long.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention relates to the technical field of abrasion-resistant castings and provides a high-strength abrasion-resistant casting for mechanical arms and a casting process of the high-strength abrasion-resistant casting for the mechanical arms.The high-strength abrasion-resistant casting comprises chemical elements including, by mass, 1.1-1.6% of C, 8.3-12.3% of Mn, 0.32-0.63% of W, 0.56-1.22% of Al, 0.06-0.12% of Cr, 0.08-0.16% of Ni, 0.16-0.35% of Mo, 0.12-0.19% of Co, 0.02-0.039% of B, 0.14-0.2% of Cu, Re, S, P and the balance Fe and unavoidable impurities, wherein the mass percentage of the Re is smaller than or equal to 0.04%, the mass percentage of the S is smaller than or equal to 0.04%, and the mass percentage of the P is smaller than or equal to 0.06%.The casting for the mechanical arms has the advantages of high abrasion resistance and high tensile strength, Brinell hardness and expansion and contraction ratio of the casting are remarkably increased, and the casting is broad in market prospect.

Description

technical field [0001] The invention relates to the technical field of precision alloy materials, in particular to a high-strength wear-resistant casting for a mechanical arm and a casting process thereof. Background technique [0002] The robotic arm is a high-precision, high-speed dispensing robot. Corresponding to small batch production mode, improve production efficiency. In addition to dispensing work, it can handle various tasks such as UV irradiation, parts placement, screw locking, and circuit board cutting. [0003] Automatic robotic arm, also known as robotic arm, is currently the most widely used automated mechanical device in the field of robotics. It can be seen in industrial manufacturing, medical treatment, entertainment services, military, semiconductor manufacturing, and space exploration. its figure. Although their shapes are different, they all have a common feature, that is, they can accept instructions and precisely locate a certain point in three-dim...

Claims

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Application Information

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IPC IPC(8): C22C38/18C22C38/16C22C38/04C22C38/12C22C38/06C22C38/08C22C38/10C22C38/32C22C33/04C21D1/18
CPCC21D1/18C22C33/04C22C38/005C22C38/04C22C38/06C22C38/105C22C38/12C22C38/16C22C38/18C22C38/32
Inventor 程华韩年珍何凯
Owner HEXIAN LONGSHENG PRECISION MACHINERY CO LTD