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QT400-substituting aluminum alloy material for crane guide rail system and extrusion molding method of QT400-substituting aluminum alloy material

A technology of aluminum alloy material and guide rail system, which is applied in the field of aluminum alloy material and its preparation, and can solve problems such as easy deformation

Inactive Publication Date: 2016-09-28
GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The aluminum alloy guide rails at home and abroad are all made of 6063 aluminum alloy. This aluminum alloy has a maximum strength of about 360MPa, which can only meet the light hoisting with a load of less than 1 ton, and it is easy to deform when operating in a high temperature environment above 150°C. ;

Method used

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  • QT400-substituting aluminum alloy material for crane guide rail system and extrusion molding method of QT400-substituting aluminum alloy material
  • QT400-substituting aluminum alloy material for crane guide rail system and extrusion molding method of QT400-substituting aluminum alloy material
  • QT400-substituting aluminum alloy material for crane guide rail system and extrusion molding method of QT400-substituting aluminum alloy material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] An aluminum alloy lifting guide rail system replacing QT400 and its extrusion molding method

[0075] 1. Product parameters:

[0076] Weight kg / m

Moment of inertia cm

load kg

4.7～7.8

500～1124

500～2000

[0077] 2. Production process: ingot homogenization→extrusion→on-machine quenching→straightening→heat treatment→surface treatment;

[0078] 3. Alloy formula weight percentage (%)

[0079]

[0080] 4. Homogenization of ingot: Homogenization annealing: ≥440℃, heat preservation ≥1h, cooling method is forced air cooling or spraying

[0081] water quenching;

[0082] 5. Extrusion: Extrusion ingot temperature: ≥400°C, extrusion speed (metal outflow speed) is 20-50 m / min;

[0083] 6. On-machine quenching: cooling rate ≥ 40°C / min;

[0084] 7. Straightening: temperature ≤ 50°C;

[0085] 8. Heat treatment: T8 (solution deformation plus artificial aging);

[0086] 9. Surface treatment: anodic oxidation;

[0087] 10. The microstructure ind...

Embodiment 2

[0092] An aluminum alloy lifting guide rail system replacing QT400 and its extrusion molding method

[0093] 1. Product parameters:

[0094] Weight kg / m

Moment of inertia cm

load kg

8～10

1200～1300

2000～2500

[0095] 2. Production process: ingot homogenization→extrusion→on-machine quenching→straightening→heat treatment→surface treatment;

[0096] 3. Alloy formula weight percentage (%)

[0097]

[0098] 4. Homogenization of ingot: Homogenization annealing: ≥440℃, heat preservation ≥1h, cooling method is forced air cooling or water spray quenching;

[0099] 5. Extrusion: Extrusion ingot temperature: ≥400°C, extrusion speed (metal outflow speed) is 20-50 m / min;

[0100] 6. On-machine quenching: cooling rate ≥ 40°C / min;

[0101] 7. Straightening: temperature ≤ 50°C;

[0102] 8. Heat treatment: T8 (solution deformation plus artificial aging);

[0103] 9. Surface treatment: anodic oxidation;

[0104] 10. The microstructure index of the prod...

Embodiment 3

[0108] An aluminum alloy lifting guide rail system replacing QT400 and its extrusion molding method

[0109] 1. Product parameters:

[0110] Weight kg / m

Moment of inertia cm

load kg

4.7～7.8

500～1124

500～2000

[0111] 2. Production process: ingot homogenization→extrusion→on-machine quenching→straightening→heat treatment→surface treatment;

[0112] 3. Alloy formula weight percentage (%)

[0113]

[0114] 4. Homogenization of ingot: Homogenization annealing: ≥440℃, heat preservation ≥1h, cooling method is forced air cooling or water spray quenching;

[0115] 5. Extrusion: Extrusion ingot temperature: ≥400°C, extrusion speed (metal outflow speed) is 20-50 m / min;

[0116] 6. On-machine quenching: cooling rate ≥ 40°C / min;

[0117] 7. Straightening: temperature ≤ 50°C;

[0118] 8. Heat treatment: T8 (solution deformation plus artificial aging);

[0119] 9. Surface treatment: anodic oxidation;

[0120] 10. The microstructure index of the pro...

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PUM

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Abstract

The invention discloses a QT400-substituting aluminum alloy material for a crane guide rail system. The QT400-substituting aluminum alloy material is characterized by comprising the following main components in percentage by weight: 0.03-0.08% of V, less than or equal to 2% of Mn, 0.05-0.5% of Cd, larger than or equal to 0.5% and smaller than or equal to 3% of Cu, 7.0-9.0% of Lewis acid-alkaline pairs and the balance of Al, wherein Cu is larger than or equal to 1.5Mn.

Description

technical field [0001] The invention relates to an aluminum alloy material replacing the QT400 lifting guide rail system and a preparation method thereof. Background technique [0002] Ductile iron (referred to as ductile iron) is one of the main materials used in the guide rail industry. The reason lies in the low price, stable mechanical properties and physical indicators of ductile iron. [0003] The grade of ductile iron 400 stipulates a relatively strict and precise chemical composition combination, heat treatment specification parameters, mechanical properties and physical indicators, etc. [0004] The mechanical performance index and classification standard of ductile iron can be used as the benchmarking basis for innovative design and performance improvement of aluminum alloy materials; the current track market pursues low carbon, intensification, high efficiency (high performance), and flexibility. It is a sign that the manufacturing industry has leaped from tradit...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/02C22F1/04
CPCC22C1/026C22C21/00C22F1/04
Inventor 陈凯余晟李祥胥光酉毛春荣
Owner GUIZHOU HUAKE ALUMINUM MATERIAL ENG TECH RES