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Tensile-resistant enhanced robot arm and preparation method thereof

A robot arm and enhanced technology, applied in the field of machinery, can solve the problems of high working strength, aluminum alloy is difficult to meet the use requirements, and the heavy workload of the robot arm, so as to improve the use performance, refine the recrystallized grains, and increase the strength Effect

Active Publication Date: 2018-02-27
JIANHUA CONSTR MATERIALS (JIANGSU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some assembly line operations, the robot arm needs to bear heavy workload and high working intensity, and it is difficult for ordinary aluminum alloys to meet the requirements

Method used

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  • Tensile-resistant enhanced robot arm and preparation method thereof
  • Tensile-resistant enhanced robot arm and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-4

[0029] The tension-enhanced robot arm in Examples 1-4 is made of aluminum alloy, and the aluminum alloy includes the following components in mass percentage, 0.8-1.3% Si, 0.5-1.2% Mn, 0.35-0.60% Mg, 1.0-1.5% % Cu, 0.8-1.5% nanometer TaC, 1.3-2.8% nanometer AlN, and the balance is Al; the particle size range of nanometer TaC and nanometer AlN is 20-50nm.

[0030] The components and mass percentages of the aluminum alloys in Examples 1-4 are shown in the table below.

[0031] Table 1: Components and mass percentages of aluminum alloys in Examples 1-4

[0032]

[0033] Note: The particle size of nanoparticles refers to the particle size range of nano-TaC and nano-AlN

Embodiment 5

[0035] The preparation method of the tension-enhanced robot arm in this embodiment includes the following steps,

[0036] (1), prepare the raw material of aluminum alloy according to the ratio of each component in embodiment 3,

[0037] (2), adding nano-TaC and nano-AlN in the modified solution, the total mass percentage of nano-TaC and nano-AlN in the modified solution is 15%, stir evenly under 200w ultrasonic power and 150rmp stirring speed, and then spray Dried to form composite nanoparticles with good dispersion; the modified solution includes the following components in mass percentage: 6% polyaspartic acid, 5% stearic acid, 30% ethanol, and the balance is water;

[0038](3) Heat Si, Mn, Mg, Cu and Al metal raw materials to 730°C to melt into an alloy solution, add composite nanoparticles to the alloy solution by high-pressure spraying, stir evenly, and the pressure of high-pressure spraying is 50MPa;

[0039] (4), cooling the evenly stirred alloy solution to 710°C, keep...

Embodiment 6

[0042] The preparation method of the tension-enhanced robot arm in this embodiment includes the following steps,

[0043] (1), prepare the raw material of aluminum alloy according to the ratio of each component in embodiment 3,

[0044] (2), adding nano-TaC and nano-AlN in the modified solution, the total mass percentage of nano-TaC and nano-AlN in the modified solution is 18%, stir evenly under 250w ultrasonic power and 130rmp stirring speed, and then spray Dried to form composite nanoparticles with good dispersion; the modified solution includes the following components in mass percentage: 7% polyaspartic acid, 6% stearic acid, 32% ethanol, and the balance is water;

[0045] (3) Heat the Si, Mn, Mg, Cu and Al metal raw materials to 740°C to melt into an alloy solution, add composite nanoparticles to the alloy solution by high-pressure injection, stir evenly, and the pressure of the high-pressure injection is 70MPa;

[0046] (4), cooling the evenly stirred alloy solution to ...

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Abstract

The invention relates to a tensile-resistant enhanced robot arm and a preparation method thereof, and belongs to the technical field of machinery. The tensile-resistant enhanced robot arm is made of aluminum alloy, and the aluminum alloy comprises, by mass, 0.8-1.3% of Si, 0.5-1.2% of Mn, 0.35-0.60% of Mg, 1.0-1.5% of Cu, 0.8-1.5% of nano TaC, 1.3-2.8% of nano AlN and the balance Al. The preparation method of the tensile-resistant enhanced robot arm comprises the steps that nano TaC and nano AlN are added into a modified solution, spraying drying is conducted after ultrasonic stirring, and composite nanoparticles are formed; and metal raw materials are heated and melted into an alloy solution, the composite nanoparticles are added, and a green body is formed through pouring after even stirring is conducted, and heat treatment is conducted. The obtained robot arm has high strength, toughness and tensile strength.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a tension-enhanced robot arm and a preparation method thereof. Background technique [0002] In modern industry, with the popularity of assembly line operations, robots are used more and more widely. Industrial robots are a powerful tool to automate the production process and improve labor productivity. Robotic arms are used in most assembly lines. In order to ensure the service life and safety during use, traditional load-bearing parts and connecting parts are basically made of steel, which is heavy in weight. Although the robot arm made of steel has a long service life, it has certain defects in flexibility. When the service conditions are met, some secondary load-bearing parts and connecting parts can use aluminum alloy instead of steel to undertake the connecting role. In recent years, with the application of aluminum alloys in various fields, aluminum alloys have been wide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/14C22C21/16C22C21/00C22C1/10C22C1/02C22C32/00C22F1/04C22F1/057
CPCC22C1/1036C22C21/00C22C21/14C22C21/16C22C32/0047C22F1/04C22F1/057C22C1/1047
Inventor 华吉华胜
Owner JIANHUA CONSTR MATERIALS (JIANGSU) CO LTD