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Self-lubricating extrusion die material for aluminum profile machining and method for manufacturing extrusion die

A technology for processing aluminum profiles and extruding molds, which is applied in the field of mold manufacturing, can solve the problems of cavity wear, extrusion mold cavity out-of-tolerance time, high production costs, etc., to reduce friction and wear, and avoid surface nitriding process , the effect of improving production efficiency

Pending Publication Date: 2022-02-15
XIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a self-lubricating extrusion die material for aluminum profile processing, which solves the serious cavity wear of the existing extrusion die in the process of high-load sliding friction, which causes the extrusion die cavity to wear out of tolerance time Short and high production cost

Method used

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  • Self-lubricating extrusion die material for aluminum profile machining and method for manufacturing extrusion die

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Effect test

Embodiment 1

[0040] The present invention also provides a method for manufacturing an extrusion die using a self-lubricating extrusion die material for aluminum profile processing, specifically implemented according to the following steps:

[0041] Step 1, weigh the following components according to mass percentage: C 4.0%, Si 2.2%, Mn 1.3%, Ni 2.0%, Cu 1.5%, Mg0.03%, P0.03%, S0.03%, the balance is Fe, the sum of the mass percentages of the above components is 100%;

[0042] Step 2, smelting the material weighed in step 1 in a high-temperature melting furnace with a temperature of 1520°C until it is completely melted to obtain mixed molten iron;

[0043] Step 3, pouring the mixed molten iron obtained in step 2 into the preheated continuous casting machine matching holding furnace through the transfer ladle for heat preservation, adding ferrosilicon nodulizer and rare earth inoculant for spheroidization and inoculation, to obtain the production of molten iron;

[0044] Among them, the prehea...

Embodiment 2

[0053] The present invention also provides a method for manufacturing an extrusion die using a self-lubricating extrusion die material for aluminum profile processing, specifically implemented according to the following steps:

[0054] Step 1, weigh the following components according to mass percentage: C 2.5%, Si 3.2%, Mn 0.3%, Ni 1.0%, Cu 0.5%, Mg 0.01%, P 0.01%, S0.01%, the balance is Fe, The sum of the mass percentages of the above components is 100%;

[0055] Step 2, smelting the material weighed in step 1 in a high-temperature melting furnace with a temperature of 1320°C until it is completely melted to obtain mixed molten iron;

[0056] Step 3, pouring the mixed molten iron obtained in step 2 into the preheated continuous casting machine matching holding furnace through the transfer ladle for heat preservation, adding ferrosilicon nodulizer and rare earth inoculant for spheroidization and inoculation, to obtain the production of molten iron;

[0057] Among them, the pr...

Embodiment 3

[0063] The present invention also provides a method for manufacturing an extrusion die using a self-lubricating extrusion die material for aluminum profile processing, specifically implemented according to the following steps:

[0064] Step 1, weigh the following components according to mass percentage: C 3.3%, Si 2.8%, Mn 1.8%, Ni1.5%, Cu1%, Mg0.02%, P0.02%, S0.02%, and the balance is Fe, the sum of the mass percentages of the above components is 100%;

[0065] Step 2, smelting the material weighed in step 1 in a high-temperature melting furnace with a temperature of 1400° C. until it is completely melted to obtain mixed molten iron;

[0066] Step 3, pouring the mixed molten iron obtained in step 2 into the preheated continuous casting machine matching holding furnace through the transfer ladle for heat preservation, adding ferrosilicon nodulizer and rare earth inoculant for spheroidization and inoculation, to obtain the production of molten iron;

[0067] Among them, the pr...

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Abstract

The invention discloses a self-lubricating extrusion die material for aluminum profile machining and a method for manufacturing an extrusion die. The self-lubricating extrusion die material is prepared from, by mass, 2.5%-4.0% of C, 2.2%-3.2% of Si, 0.3%-1.3% of Mn, 1.0%-2.0% of Ni, 0.5%-1.5% of Cu, smaller than or equal to 0.03% of Mg, smaller than or equal to 0.03% of P, smaller than or equal to 0.03% of S and the balance Fe, and the sum of the mass percentages of the components is 100%. According to the invention, the problems that serious cavity abrasion is generated in the high-load sliding friction process of an existing extrusion die, the cavity abrasion out-of-tolerance time of the extrusion die is short, and the production cost is high are solved.

Description

technical field [0001] The invention belongs to the technical field of die manufacturing, relates to a self-lubricating extrusion die material for processing aluminum profiles, and also relates to a method for manufacturing an extrusion die by using the above-mentioned material. Background technique [0002] my country is the world's largest aluminum alloy producer, with an annual output of nearly 40 million tons of various aluminum alloys. Therefore, in recent years, my country's aluminum alloy processing technology and processing equipment have gradually matured. Among the many aluminum alloy processing techniques, aluminum alloy die-casting and extrusion have become the most important processing methods for aluminum alloys. In the aluminum alloy extrusion process, the excessive wear of the extrusion die has always been a major problem that plagues the production of enterprises. [0003] In the extrusion production process of aluminum alloy profiles, after being heated, t...

Claims

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Application Information

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IPC IPC(8): C22C37/10C22C33/08C22C33/10C21D1/46B22D11/045B23P15/24B21C25/02
CPCC22C37/10C22C33/08C22C33/10C21D1/46B22D11/045B23P15/24B21C25/025
Inventor 蒋百铃闫芳园王子逾刘保建
Owner XIAN UNIV OF TECH
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