CN1303237C - Aluminium alloy screw and its manufacturing method - Google Patents
Aluminium alloy screw and its manufacturing method Download PDFInfo
- Publication number
- CN1303237C CN1303237C CNB2005100944413A CN200510094441A CN1303237C CN 1303237 C CN1303237 C CN 1303237C CN B2005100944413 A CNB2005100944413 A CN B2005100944413A CN 200510094441 A CN200510094441 A CN 200510094441A CN 1303237 C CN1303237 C CN 1303237C
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- Prior art keywords
- aluminium alloy
- preparation
- quenching
- bars
- screw
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000002360 preparation method Methods 0.000 claims abstract description 31
- 238000010791 quenching Methods 0.000 claims abstract description 23
- 230000000171 quenching effect Effects 0.000 claims abstract description 23
- 238000003723 Smelting Methods 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract 1
- 238000005275 alloying Methods 0.000 abstract 1
- 230000002431 foraging effect Effects 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Extrusion Of Metal (AREA)
Abstract
The present invention relates to an aluminium alloy screw and a preparation method thereof. The present invention has the raw material composition weight portions of alloying components of 88.9-91.7 portions of Al, 2.0-3.0 portions of Mg, 5.1-6.1 portions of Zn and 1.2-2.0 portions of Cu. The present invention has the following preparation method: step one, the raw material is arranged in a smelting furnace for smelting according to the weight portions and then drawn into aluminium alloy bars; step two, the aluminium alloy bars are arranged in a heating furnace for heating and thermal insulation to make the components of the aluminium alloy bars uniformized; heating temperature is controlled from 450 to 475DEG. C, and the time of thermal insulation is from 8 to 12 hours; then, the aluminium alloy bars are arranged on an extruding machine for extrusion molding at the extrusion temperature of 320 to 450DEG. C; step three, semi-product of the aluminium alloy screw obtained from the step two are arranged in an aging quenching furnace for aging quenching at the quenching temperature of 133 to 143 DEG C for thermal insulation of 14 to 18 hours to obtain the finished product of the aluminium alloy screw. The aluminium alloy screw of the present invention has the advantages of high hardness, good acid resistance, good plasticity, simple preparation method, convenience and practicality.
Description
Technical field:
The present invention relates to a kind of screw.Especially the preparation method who relates to a kind of aluminium alloy screw of aluminum alloy materials making.Fastening piece is made in the aluminum alloy surface processing that is mainly used in the building doors and windows industry, belongs to the metal connecting piece technical field.
Background technology:
Screw is the heavy connection of building doors and windows industry, and before the present invention made, traditional screw that is used for the door and window industry was the steel screw.The steel screw is not acidproof, and plasticity is poor, consumes greatly the cost height.
Summary of the invention:
The objective of the invention is to overcome above-mentioned deficiency, a kind of preparation method of acidproof, plasticity good, cost is low aluminium alloy screw is provided.
The object of the present invention is achieved like this: a kind of preparation method of aluminium alloy screw, major ingredient is an aluminium in the described alloy, aluminium alloy composition raw material is formed weight part: Al 88.9～91.7, Mg 2.0～3.0, Zn 5.1～6.1, Cu 1.2～2.0 is characterized in that: its preparation method comprises following processing step:
Step 1, preparation aluminium alloy bars place melting in the smelting furnace with Al, Mg, Zn and Cu by weight, and the aluminium alloy melting temperature is controlled at 700～720 ℃ in the smelting furnace, and the smelting furnace surface adds insulating covering agent, is drawn into aluminium alloy bars then;
Step 2, preparation aluminium alloy screw work in-process place the insulation of process furnace internal heating with the aluminium alloy bars of step 1 preparation, make the aluminium alloy bars uniform ingredientsization, heating and temperature control is at 450～475 ℃, soaking time 8～12 hours, then above-mentioned aluminium alloy bars is placed extrusion molding on the extrusion machine, extrusion temperature: 320～450 ℃;
Step 3, timeliness quenching place timeliness quenching in the timeliness quenching furnance with the aluminium alloy screw work in-process of step 2 preparation, 138 ± 5 ℃ of quenching temperatures, and soaking time 16 ± 2 hours gets the aluminium alloy screw finished product.
Fine aluminium plasticity is good, but hardness is low, and acid-resistant corrosion is poor, and the present invention zincification and magnesium in the aluminium material can form strengthening phase, improve hardness, plasticity and the corrosion resistance nature of screw; Add hardness and stretching force that copper can strengthen screw.So aluminium alloy screw hardness height of the present invention, plasticity is good, and stretching force is strong, and the acid-resistant anti-corrosion performance is good, and cost is low.
Preparation method of the present invention is simple, and is convenient, practicality.
Embodiment:
Embodiment 1:
Step 1, preparation aluminium alloy bars place melting in the smelting furnace with Al 90.7, Mg 2.0, Zn 6.1 and Cu 1.2 by weight, and the aluminium alloy melting temperature is controlled at 700 ℃ in the smelting furnace, and the smelting furnace surface adds insulating covering agent, is drawn into aluminium alloy bars then;
Step 2, preparation aluminium alloy screw work in-process place the insulation of process furnace internal heating with the aluminium alloy bars of step 1 preparation, make the aluminium alloy bars uniform ingredientsization, heating and temperature control is at 450 ℃, soaking time 12 hours, then above-mentioned aluminium alloy bars is placed extrusion molding on the extrusion machine, extrusion temperature: 320 ℃;
Step 3, timeliness quenching place timeliness quenching in the timeliness quenching furnance with the aluminium alloy screw work in-process of step 2 preparation, 138 ℃ of quenching temperatures, and soaking time 16 hours gets the aluminium alloy screw finished product.
Embodiment 2:
Step 1, preparation aluminium alloy bars place melting in the smelting furnace with Al 88.9, Mg 3.0, Zn 5.1 and Cu 2.0 by weight, and the aluminium alloy melting temperature is controlled at 710 ℃ in the smelting furnace, and the smelting furnace surface adds insulating covering agent, is drawn into aluminium alloy bars then;
Step 2, preparation aluminium alloy screw work in-process place the insulation of process furnace internal heating with the aluminium alloy bars of step 1 preparation, make the aluminium alloy bars uniform ingredientsization, heating and temperature control is at 475 ℃, soaking time 8 hours, then above-mentioned aluminium alloy bars is placed extrusion molding on the extrusion machine, extrusion temperature: 450 ℃;
Step 3, timeliness quenching place timeliness quenching in the timeliness quenching furnance with the aluminium alloy screw work in-process of step 2 preparation, 143 ℃ of quenching temperatures, and soaking time 14 hours gets the aluminium alloy screw finished product.
Embodiment 3:
Step 1, preparation aluminium alloy bars place melting in the smelting furnace with Al 91.7, Mg 2.5, Zn 5.5, Cu 1.5 by weight, and the aluminium alloy melting temperature is controlled at 720 ℃ in the smelting furnace, and the smelting furnace surface adds insulating covering agent, is drawn into aluminium alloy bars then;
Step 2, preparation aluminium alloy screw work in-process place the insulation of process furnace internal heating with the aluminium alloy bars of step 1 preparation, make the aluminium alloy bars uniform ingredientsization, heating and temperature control is at 460 ℃, soaking time 10 hours, then above-mentioned aluminium alloy bars is placed extrusion molding on the extrusion machine, extrusion temperature: 400 ℃.
Step 3, timeliness quenching place timeliness quenching in the timeliness quenching furnance with the aluminium alloy screw work in-process of step 2 preparation, 133 ℃ of quenching temperatures, and soaking time 18 hours gets the aluminium alloy screw finished product.
Claims (1)
1, a kind of preparation method of aluminium alloy screw, major ingredient is an aluminium in the described alloy, the raw material of alloy ingredient is formed weight part: Al 88.9～91.7, Mg 2.0～3.0, Zn 5.1～6.1, Cu 1.2～2.0 is characterized in that: its preparation method comprises following processing step:
Step 1, preparation aluminium alloy bars place melting in the smelting furnace with Al, Mg, Zn and Cu by weight, and the aluminium alloy melting temperature is controlled at 700～720 ℃ in the smelting furnace, and the smelting furnace surface adds insulating covering agent, is drawn into aluminium alloy bars then;
Step 2, preparation aluminium alloy screw work in-process place the insulation of process furnace internal heating with the aluminium alloy bars of step 1 preparation, make the aluminium alloy bars uniform ingredientsization, heating and temperature control is at 450～475 ℃, soaking time 8～12 hours, then above-mentioned aluminium alloy bars is placed extrusion molding on the extrusion machine, extrusion temperature: 320～450 ℃;
Step 3, timeliness quenching place timeliness quenching in the timeliness quenching furnance with the aluminium alloy screw work in-process of step 2 preparation, 138 ± 5 ℃ of quenching temperatures, and soaking time 16 ± 2 hours gets the aluminium alloy screw finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100944413A CN1303237C (en) | 2005-09-19 | 2005-09-19 | Aluminium alloy screw and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100944413A CN1303237C (en) | 2005-09-19 | 2005-09-19 | Aluminium alloy screw and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1743485A CN1743485A (en) | 2006-03-08 |
| CN1303237C true CN1303237C (en) | 2007-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100944413A Expired - Fee Related CN1303237C (en) | 2005-09-19 | 2005-09-19 | Aluminium alloy screw and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1303237C (en) |
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| CN110421318A (en) * | 2019-07-24 | 2019-11-08 | 王丽 | A kind of aero titanium alloy high locked bolts processing technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2482982A1 (en) * | 1980-05-23 | 1981-11-27 | Fraimant Jean Jacques | Aluminium alloy bolts, nuts and similar parts used for assemblies - where specific compsn. and heat treatment provides high corrosion resistance when parts are subjected to tensile stress |
| US6315842B1 (en) * | 1997-07-21 | 2001-11-13 | Pechiney Rhenalu | Thick alznmgcu alloy products with improved properties |
| RU2215808C2 (en) * | 2001-12-21 | 2003-11-10 | Региональный общественный фонд содействия защите интеллектуальной собственности | Aluminum-base alloy and article made of thereof |
| CN1489637A (en) * | 2000-12-21 | 2004-04-14 | �Ƹ��� | Aluminum alloy products and artificial aging methods |
| US20040089378A1 (en) * | 2002-11-08 | 2004-05-13 | Senkov Oleg N. | High strength aluminum alloy composition |
| FR2853666A1 (en) * | 2003-04-10 | 2004-10-15 | Corus Aluminium Walzprod Gmbh | HIGH-STRENGTH Al-Zn ALLOY, PROCESS FOR PRODUCING PRODUCTS IN SUCH AN ALLOY, AND PRODUCTS OBTAINED ACCORDING TO THIS PROCESS |
-
2005
- 2005-09-19 CN CNB2005100944413A patent/CN1303237C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2482982A1 (en) * | 1980-05-23 | 1981-11-27 | Fraimant Jean Jacques | Aluminium alloy bolts, nuts and similar parts used for assemblies - where specific compsn. and heat treatment provides high corrosion resistance when parts are subjected to tensile stress |
| US6315842B1 (en) * | 1997-07-21 | 2001-11-13 | Pechiney Rhenalu | Thick alznmgcu alloy products with improved properties |
| CN1489637A (en) * | 2000-12-21 | 2004-04-14 | �Ƹ��� | Aluminum alloy products and artificial aging methods |
| RU2215808C2 (en) * | 2001-12-21 | 2003-11-10 | Региональный общественный фонд содействия защите интеллектуальной собственности | Aluminum-base alloy and article made of thereof |
| US20040089378A1 (en) * | 2002-11-08 | 2004-05-13 | Senkov Oleg N. | High strength aluminum alloy composition |
| FR2853666A1 (en) * | 2003-04-10 | 2004-10-15 | Corus Aluminium Walzprod Gmbh | HIGH-STRENGTH Al-Zn ALLOY, PROCESS FOR PRODUCING PRODUCTS IN SUCH AN ALLOY, AND PRODUCTS OBTAINED ACCORDING TO THIS PROCESS |
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| Publication number | Publication date |
|---|---|
| CN1743485A (en) | 2006-03-08 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangyin Zhongyu Technology Development Co., Ltd. Assignor: Chen Jizhong Contract fulfillment period: 2009.5.16 to 2014.5.15 contract change Contract record no.: 2009990000599 Denomination of invention: Aluminium alloy screw and its manufacturing method Granted publication date: 20070307 License type: Exclusive license Record date: 2009.6.3 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.5.16 TO 2014.5.15; CHANGE OF CONTRACT Name of requester: JIANGYIN XINYU DECORATION MATERIALS CO., LTD. Effective date: 20090603 |
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