CN103658583A - Aluminum alloy shell fast-cooling die casting method - Google Patents
Aluminum alloy shell fast-cooling die casting method Download PDFInfo
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- CN103658583A CN103658583A CN201310662254.5A CN201310662254A CN103658583A CN 103658583 A CN103658583 A CN 103658583A CN 201310662254 A CN201310662254 A CN 201310662254A CN 103658583 A CN103658583 A CN 103658583A
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Abstract
The invention discloses an aluminum alloy shell fast-cooling die casting method which includes the following steps that (1) materials are selected; (2) a smelting furnace is heated, the materials are added into a hearth, and three-in-one refining agents counting 1% of the weight of the materials are added for refining; (3) an immersion bell is used for pressing the refining agents into material liquid, stirring is carried out for 25 minutes circumferentially, degassing is carried out through argon, and the material liquid is obtained after drossing; (4) the pressure of cooling water is adjusted, and an automatic temperature-control device of a die is connected; (5) the two-cavity die is fixed to movable and fixed die plates of a die casting machine, and the insides of the cavities of the die are evenly coated with water-based paint; (6) spraying equipment is adjusted so that the spraying route can fully cover the cavities of the die, and spraying time of a core portion is adjusted to be 5 seconds; (7) the material liquid is pressed into the die for ultra-low speed die casting. The aluminum alloy shell fast-cooling die casting method enables products to be tiny in grain, mechanical performance is improved, and the qualified rate is greatly improved.
Description
Technical field
The present invention relates to the cold die casting method of Al-alloy casing speed.
Background technology
The Al-alloy casing that casting method is manufactured at present, mechanicalness, qualification rate is not very desirable.
Summary of the invention
The object of the present invention is to provide the cold die casting method of a kind of Al-alloy casing speed, it can make, and product grains is tiny, mechanical performance improves, and qualification rate improves greatly.
For achieving the above object, technical scheme of the present invention is the cold die casting method of a kind of Al-alloy casing speed of design, comprises the steps:
1) choose material, each component percentage by weight is: Si is that 4%, Mg is that 1%, Fe is that 2%, Cu is that 1%, Mn is that 2%, Ni is that 1%, Zn is that 3%, Pb is that 1%, Sn is that 1.2%, Ti is that 0.5%, Cr is 0.5%, and all the other are aluminium Al;
2) smelting furnace is heated to 750 ℃, in burner hearth, adds above-mentioned material, when material is warming up to 700 ℃, adding consumption is that the three-in-one refining agent of material 1% carries out refining;
3) with bell jar, refining agent is pressed into the middle circumference that carries out of material liquid and stirs 25 minutes, adopt the argon gas that purity is 99.999% to carry out degas operation 25 minutes, after skimming, obtain material liquid, static 15 minutes;
4) adjust cooling water pressure to 8～9Mpa, hydraulic oil pipe pressure, to 15Mpa, is connected mould automatic temp controller;
5) mould in mould two chambeies is fixed on the active and inactive mold plate of die casting machine, by mould and die preheating to 270 ℃, in mold cavity, evenly spraying a layer thickness is 0.01mm water based paint, and heating and keeping mold temperature is 270 ℃;
6) adjust spraying apparatus, the path that makes to spray can cover mold cavity comprehensively, and adjust the fuse position spraying time of staying is 5 seconds simultaneously;
7) by material liquid press-in die, carry out Ultra-Low Speed die casting, system pressure is 18MPa, and pressurization time wheel is adjusted to 8 circles, and gassing time is 8 seconds, and cast temperature is 720 ℃, and foundry goods mould remaining time is set as 25 seconds.
Advantage of the present invention and beneficial effect are: provide a kind of Al-alloy casing speed cold die casting method, it can make, and product grains is tiny, mechanical performance improves, and qualification rate improves greatly.
The specific embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
The concrete technical scheme of implementing of the present invention is:
Embodiment 1
The cold die casting method of Al-alloy casing speed, comprises the steps:
1) choose material, each component percentage by weight is: Si is that 4%, Mg is that 1%, Fe is that 2%, Cu is that 1%, Mn is that 2%, Ni is that 1%, Zn is that 3%, Pb is that 1%, Sn is that 1.2%, Ti is that 0.5%, Cr is 0.5%, and all the other are aluminium Al;
2) smelting furnace is heated to 750 ℃, in burner hearth, adds above-mentioned material, when material is warming up to 700 ℃, adding consumption is that the three-in-one refining agent of material 1% carries out refining;
3) with bell jar, refining agent is pressed into the middle circumference that carries out of material liquid and stirs 25 minutes, adopt the argon gas that purity is 99.999% to carry out degas operation 25 minutes, after skimming, obtain material liquid, static 15 minutes;
4) adjust cooling water pressure to 8Mpa, hydraulic oil pipe pressure, to 15Mpa, is connected mould automatic temp controller;
5) mould in mould two chambeies is fixed on the active and inactive mold plate of die casting machine, by mould and die preheating to 270 ℃, in mold cavity, evenly spraying a layer thickness is 0.01mm water based paint, and heating and keeping mold temperature is 270 ℃;
6) adjust spraying apparatus, the path that makes to spray can cover mold cavity comprehensively, and adjust the fuse position spraying time of staying is 5 seconds simultaneously;
7) by material liquid press-in die, carry out Ultra-Low Speed die casting, system pressure is 18MPa, and pressurization time wheel is adjusted to 8 circles, and gassing time is 8 seconds, and cast temperature is 720 ℃, and foundry goods mould remaining time is set as 25 seconds.
Embodiment 2
The cold die casting method of Al-alloy casing speed, comprises the steps:
1) choose material, each component percentage by weight is: Si is that 4%, Mg is that 1%, Fe is that 2%, Cu is that 1%, Mn is that 2%, Ni is that 1%, Zn is that 3%, Pb is that 1%, Sn is that 1.2%, Ti is that 0.5%, Cr is 0.5%, and all the other are aluminium Al;
2) smelting furnace is heated to 750 ℃, in burner hearth, adds above-mentioned material, when material is warming up to 700 ℃, adding consumption is that the three-in-one refining agent of material 1% carries out refining;
3) with bell jar, refining agent is pressed into the middle circumference that carries out of material liquid and stirs 25 minutes, adopt the argon gas that purity is 99.999% to carry out degas operation 25 minutes, after skimming, obtain material liquid, static 15 minutes;
4) adjust cooling water pressure to 9Mpa, hydraulic oil pipe pressure, to 15Mpa, is connected mould automatic temp controller;
5) mould in mould two chambeies is fixed on the active and inactive mold plate of die casting machine, by mould and die preheating to 270 ℃, in mold cavity, evenly spraying a layer thickness is 0.01mm water based paint, and heating and keeping mold temperature is 270 ℃;
6) adjust spraying apparatus, the path that makes to spray can cover mold cavity comprehensively, and adjust the fuse position spraying time of staying is 5 seconds simultaneously;
7) by material liquid press-in die, carry out Ultra-Low Speed die casting, system pressure is 18MPa, and pressurization time wheel is adjusted to 8 circles, and gassing time is 8 seconds, and cast temperature is 720 ℃, and foundry goods mould remaining time is set as 25 seconds.
Embodiment 3
The cold die casting method of Al-alloy casing speed, comprises the steps:
1) choose material, each component percentage by weight is: Si is that 4%, Mg is that 1%, Fe is that 2%, Cu is that 1%, Mn is that 2%, Ni is that 1%, Zn is that 3%, Pb is that 1%, Sn is that 1.2%, Ti is that 0.5%, Cr is 0.5%, and all the other are aluminium Al;
2) smelting furnace is heated to 750 ℃, in burner hearth, adds above-mentioned material, when material is warming up to 700 ℃, adding consumption is that the three-in-one refining agent of material 1% carries out refining;
3) with bell jar, refining agent is pressed into the middle circumference that carries out of material liquid and stirs 25 minutes, adopt the argon gas that purity is 99.999% to carry out degas operation 25 minutes, after skimming, obtain material liquid, static 15 minutes;
4) adjust cooling water pressure to 8.9Mpa, hydraulic oil pipe pressure, to 15Mpa, is connected mould automatic temp controller;
5) mould in mould two chambeies is fixed on the active and inactive mold plate of die casting machine, by mould and die preheating to 270 ℃, in mold cavity, evenly spraying a layer thickness is 0.01mm water based paint, and heating and keeping mold temperature is 270 ℃;
6) adjust spraying apparatus, the path that makes to spray can cover mold cavity comprehensively, and adjust the fuse position spraying time of staying is 5 seconds simultaneously;
7) by material liquid press-in die, carry out Ultra-Low Speed die casting, system pressure is 18MPa, and pressurization time wheel is adjusted to 8 circles, and gassing time is 8 seconds, and cast temperature is 720 ℃, and foundry goods mould remaining time is set as 25 seconds.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. the cold die casting method of Al-alloy casing speed, is characterized in that, comprises the steps:
1) choose material, each component percentage by weight is: Si is that 4%, Mg is that 1%, Fe is that 2%, Cu is that 1%, Mn is that 2%, Ni is that 1%, Zn is that 3%, Pb is that 1%, Sn is that 1.2%, Ti is that 0.5%, Cr is 0.5%, and all the other are aluminium Al;
2) smelting furnace is heated to 750 ℃, in burner hearth, adds above-mentioned material, when material is warming up to 700 ℃, adding consumption is that the three-in-one refining agent of material 1% carries out refining;
3) with bell jar, refining agent is pressed into the middle circumference that carries out of material liquid and stirs 25 minutes, adopt the argon gas that purity is 99.999% to carry out degas operation 25 minutes, after skimming, obtain material liquid, static 15 minutes;
4) adjust cooling water pressure to 8～9Mpa, hydraulic oil pipe pressure, to 15Mpa, is connected mould automatic temp controller;
5) mould in mould two chambeies is fixed on the active and inactive mold plate of die casting machine, by mould and die preheating to 270 ℃, in mold cavity, evenly spraying a layer thickness is 0.01mm water based paint, and heating and keeping mold temperature is 270 ℃;
6) adjust spraying apparatus, the path that makes to spray can cover mold cavity comprehensively, and adjust the fuse position spraying time of staying is 5 seconds simultaneously;
7) by material liquid press-in die, carry out Ultra-Low Speed die casting, system pressure is 18MPa, and pressurization time wheel is adjusted to 8 circles, and gassing time is 8 seconds, and cast temperature is 720 ℃, and foundry goods mould remaining time is set as 25 seconds.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216628A (en) * | 2016-08-31 | 2016-12-14 | 天津圣金特汽车配件有限公司 | A kind of automobile engine bracket ultra-low speed aluminum alloy extrusion process |
| CN106636794A (en) * | 2015-11-02 | 2017-05-10 | 丹阳市米可汽车零部件厂 | Auto spare part die-casting technique |
| CN107245613A (en) * | 2017-06-23 | 2017-10-13 | 重庆环鹰机械有限公司 | A kind of high density aluminum copper alloy material and preparation method thereof |
| CN108994272A (en) * | 2018-09-13 | 2018-12-14 | 台山市国峰耐磨金属科技有限公司 | A kind of pressure casting method of die casting |
| CN110899650A (en) * | 2019-12-18 | 2020-03-24 | 浙江上风高科专风实业有限公司 | High-pressure casting process of weldless axial flow fan |
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| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN101087898A (en) * | 2004-12-23 | 2007-12-12 | 联邦科学和工业研究组织 | Heat treatment of aluminium alloy high pressure die castings |
| CN101407875A (en) * | 2008-10-30 | 2009-04-15 | 沈健生 | Aluminum alloy material for manufacturing heat interchanger and method of processing the same |
| CN102688998A (en) * | 2012-05-30 | 2012-09-26 | 太仓海嘉车辆配件有限公司 | Method for producing double-clutch valve |
| CN102699305A (en) * | 2012-05-30 | 2012-10-03 | 太仓海嘉车辆配件有限公司 | Method for quickly cold die-casting aluminium alloy shell |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN101087898A (en) * | 2004-12-23 | 2007-12-12 | 联邦科学和工业研究组织 | Heat treatment of aluminium alloy high pressure die castings |
| CN101407875A (en) * | 2008-10-30 | 2009-04-15 | 沈健生 | Aluminum alloy material for manufacturing heat interchanger and method of processing the same |
| CN102688998A (en) * | 2012-05-30 | 2012-09-26 | 太仓海嘉车辆配件有限公司 | Method for producing double-clutch valve |
| CN102699305A (en) * | 2012-05-30 | 2012-10-03 | 太仓海嘉车辆配件有限公司 | Method for quickly cold die-casting aluminium alloy shell |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106636794A (en) * | 2015-11-02 | 2017-05-10 | 丹阳市米可汽车零部件厂 | Auto spare part die-casting technique |
| CN106216628A (en) * | 2016-08-31 | 2016-12-14 | 天津圣金特汽车配件有限公司 | A kind of automobile engine bracket ultra-low speed aluminum alloy extrusion process |
| CN107245613A (en) * | 2017-06-23 | 2017-10-13 | 重庆环鹰机械有限公司 | A kind of high density aluminum copper alloy material and preparation method thereof |
| CN108994272A (en) * | 2018-09-13 | 2018-12-14 | 台山市国峰耐磨金属科技有限公司 | A kind of pressure casting method of die casting |
| CN110899650A (en) * | 2019-12-18 | 2020-03-24 | 浙江上风高科专风实业有限公司 | High-pressure casting process of weldless axial flow fan |
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