CN105525143A - Casting process for light titanium alloy hub - Google Patents
Casting process for light titanium alloy hub Download PDFInfo
- Publication number
- CN105525143A CN105525143A CN201610088479.8A CN201610088479A CN105525143A CN 105525143 A CN105525143 A CN 105525143A CN 201610088479 A CN201610088479 A CN 201610088479A CN 105525143 A CN105525143 A CN 105525143A
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- China
- Prior art keywords
- titanium
- aluminum alloy
- casting
- titanium aluminum
- pressure
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a casting process for a light titanium alloy hub. The casting process comprises the following steps: a, smelting a titanium alloy solution: smelting a titanium-aluminum alloy ingot into a titanium-aluminum alloy solution, wherein the titanium-aluminum alloy ingot consists of the following components in mass ratio: 2%-5% of aluminum, 0.5%-1.5% of magnesium, 1.2%-1.5% of manganese, 0.2%-0.6% of copper, 0.1%-0.4% of zinc, 0.15%-0.2% of nickel, 0.05%-0.1% of chromium and the balance of titanium; b, adopting metal mould low-pressure casting and forming; and c, releasing pressure and de-molding. In this way, the casting process adopts a metal mould low-pressure casting method, and casting molten metal of the method adopts a light titanium-aluminum alloy which is self-formulated, so that a cast hub casting piece is compact in structure, is high in inherent quality and is good in mechanical property, and thermal treatment is not required to carry out after casting.
Description
Technical field
The present invention relates to casting technology field, particularly relate to a kind of casting technique of light titanium alloy wheel hub.
Background technology
Automotive hub be in doughnut centered by axle for the cylindrical metal parts of support tire, automotive hub is an important component part of automobile component, wheel hub on market can be divided into steel wheel hub and alloy wheel hub by material, the quality of steel wheel hub is large, inertia resistance is large, heat dispersion is poor, and be very easy to get rusty, alloy tip hub ratio steel wheel hub performance is good, existing alloy wheel hub is mainly aluminium alloy wheel hub, but due to aluminium alloy solution poor fluidity, make hub cast inner quality not ideal enough, also need after casting to heat-treat and improve the internal quality of casting and mechanical property.
Summary of the invention
The technical problem that the present invention mainly solves is: for the deficiencies in the prior art, provides a kind of casting technique of light titanium alloy wheel hub, and technique is simple, and the hub cast inner quality of casting is good, has good mechanical property, and without the need to heat-treating again after casting.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the casting technique providing a kind of light titanium alloy wheel hub, comprises the steps:
A, smelting titanium alloy solution: titanium aluminum alloy ingot high temperature melting is smelt titanium aluminum alloy solution, the composition of described titanium aluminum alloy ingot and the quality proportioning of each composition are: aluminium 2%-5%, magnesium 0.5%-1.5%, manganese 1.2%-1.5%, copper 0.2%-0.6%, zinc 0.1%-0.4%, nickel 0.15%-0.2%, chromium 0.05%-0.1%, and all the other are titanium;
B, employing metal pattern low-pressure casting are shaping: metal die is preheating to 250-300 DEG C, by the pressure retrofilling metal die die cavity of titanium aluminum alloy solution at 0.02-0.03MPa, pressure increase after sand out in described metal die die cavity is to 0.05-0.06MPa, and pressurize 5-10min;
C, the release demoulding: the shaping rear release of hub cast, the demoulding after naturally cooling such as mould such as grade after release.
In a preferred embodiment of the present invention, in described step a, the smelting temperature of described titanium aluminum alloy ingot is 950-1000 DEG C.
In a preferred embodiment of the present invention, in described step b, after described metal die preheating, graphite spraying water in its die cavity, and become thickness to be 30-35 μm of thick graphite linings in mold cavity surface thermosetting.
The invention has the beneficial effects as follows: the present invention adopts metal pattern low-pressure casting process, its casting of molten metal adopt fill a prescription voluntarily lightweight titanium aluminum alloy, make the hub cast dense structure of casting, inner quality be high, good mechanical property, and without the need to heat-treating after casting.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment one:
A casting technique for light titanium alloy wheel hub, comprises the steps:
A, smelting titanium alloy solution: titanium aluminum alloy ingot high temperature melting is smelt titanium aluminum alloy solution, its smelting temperature is 950 DEG C, and the composition of described titanium aluminum alloy ingot and the quality proportioning of each composition are: aluminium 2%, magnesium 1.5%, manganese 1.5%, copper 0.5%, zinc 0.3%, nickel 0.2%, chromium 0.1%, titanium 93.9%;
B, adopt metal pattern low-pressure casting shaping: metal die is preheating to 250 DEG C, then graphite spraying water in its die cavity, described graphite water becomes thickness to be 30 μm of thick graphite linings in mold cavity surface thermosetting,
By the pressure retrofilling metal die die cavity of titanium aluminum alloy solution at 0.02MPa, the pressure increase after sand out in described metal die die cavity is to 0.05MPa, and pressurize 5min;
C, the release demoulding: the shaping rear release of hub cast, the demoulding after naturally cooling such as mould such as grade after release.
Embodiment two:
A casting technique for light titanium alloy wheel hub, comprises the steps:
A, smelting titanium alloy solution: titanium aluminum alloy ingot high temperature melting is smelt titanium aluminum alloy solution, its smelting temperature is 980 DEG C, and the composition of described titanium aluminum alloy ingot and the quality proportioning of each composition are: aluminium 4%, magnesium 1%, manganese 1.4%, copper 0.6%, zinc 0.4%, nickel 0.2%, chromium 0.1%, titanium 92.3%;
B, adopt metal pattern low-pressure casting shaping: metal die is preheating to 280 DEG C, then graphite spraying water in its die cavity, described graphite water becomes thickness to be 32 μm of thick graphite linings in mold cavity surface thermosetting,
By the pressure retrofilling metal die die cavity of titanium aluminum alloy solution at 0.02MPa, the pressure increase after sand out in described metal die die cavity is to 0.05MPa, and pressurize 8min;
C, the release demoulding: the shaping rear release of hub cast, the demoulding after naturally cooling such as mould such as grade after release.
Embodiment three:
A casting technique for light titanium alloy wheel hub, comprises the steps:
A, smelting titanium alloy solution: titanium aluminum alloy ingot high temperature melting is smelt titanium aluminum alloy solution, its smelting temperature is 980 DEG C, and the composition of described titanium aluminum alloy ingot and the quality proportioning of each composition are: aluminium 5%, magnesium 0.5%, manganese 1.2%, copper 0.2%, zinc 0.2%, nickel 0.15%, chromium 0.05%, titanium 92.9%;
B, adopt metal pattern low-pressure casting shaping: metal die is preheating to 300 DEG C, then graphite spraying water in its die cavity, described graphite water becomes thickness to be 35 μm of thick graphite linings in mold cavity surface thermosetting,
By the pressure retrofilling metal die die cavity of titanium aluminum alloy solution at 0.03MPa, the pressure increase after sand out in described metal die die cavity is to 0.06MPa, and pressurize 10min;
C, the release demoulding: the shaping rear release of hub cast, the demoulding after naturally cooling such as mould such as grade after release.
Present invention is disclosed a kind of casting technique of light titanium alloy wheel hub, adopt metal pattern low pressure casting method, its casting of molten metal adopt fill a prescription voluntarily lightweight titanium aluminum alloy, make the hub cast dense structure of casting, inner quality is high, good mechanical property, and without the need to heat-treating after casting.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a casting technique for light titanium alloy wheel hub, is characterized in that, comprises the steps:
A, smelting titanium alloy solution: titanium aluminum alloy ingot high temperature melting is smelt titanium aluminum alloy solution, the composition of described titanium aluminum alloy ingot and the quality proportioning of each composition are: aluminium 2%-5%, magnesium 0.5%-1.5%, manganese 1.2%-1.5%, copper 0.2%-0.6%, zinc 0.1%-0.4%, nickel 0.15%-0.2%, chromium 0.05%-0.1%, and all the other are titanium;
B, employing metal pattern low-pressure casting are shaping: metal die is preheating to 250-300 DEG C, by the pressure retrofilling metal die die cavity of titanium aluminum alloy solution at 0.02-0.03MPa, pressure increase after sand out in described metal die die cavity is to 0.05-0.06MPa, and pressurize 5-10min;
C, the release demoulding: the shaping rear release of hub cast, the demoulding after naturally cooling such as mould such as grade after release.
2. the casting technique of light titanium alloy wheel hub according to claim 1, is characterized in that, in described step a, the smelting temperature of described titanium aluminum alloy ingot is 950-1000 DEG C.
3. the casting technique of light titanium alloy wheel hub according to claim 1, is characterized in that, in described step b, after described metal die preheating, and graphite spraying water in its die cavity, and become thickness to be 30-35 μm of thick graphite linings in mold cavity surface thermosetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088479.8A CN105525143A (en) | 2016-02-17 | 2016-02-17 | Casting process for light titanium alloy hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610088479.8A CN105525143A (en) | 2016-02-17 | 2016-02-17 | Casting process for light titanium alloy hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105525143A true CN105525143A (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610088479.8A Pending CN105525143A (en) | 2016-02-17 | 2016-02-17 | Casting process for light titanium alloy hub |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107475565A (en) * | 2017-08-30 | 2017-12-15 | 芜湖舜富精密压铸科技有限公司 | A kind of pressure casting method of light-alloy |
| CN107891137A (en) * | 2017-12-12 | 2018-04-10 | 江苏珀然股份有限公司 | A kind of manufacture method of wheel hub |
| CN110218906A (en) * | 2019-05-15 | 2019-09-10 | 宝鸡拓普达钛业有限公司 | A kind of low-cost titanium alloy |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006061986A (en) * | 2000-08-03 | 2006-03-09 | Hitachi Metals Ltd | Low pressure casting device to light alloy wheel for vehicle |
| CN102366828A (en) * | 2011-10-10 | 2012-03-07 | 陈伟军 | Low-pressure casting method of aluminum alloy automobile hub |
-
2016
- 2016-02-17 CN CN201610088479.8A patent/CN105525143A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006061986A (en) * | 2000-08-03 | 2006-03-09 | Hitachi Metals Ltd | Low pressure casting device to light alloy wheel for vehicle |
| CN102366828A (en) * | 2011-10-10 | 2012-03-07 | 陈伟军 | Low-pressure casting method of aluminum alloy automobile hub |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107475565A (en) * | 2017-08-30 | 2017-12-15 | 芜湖舜富精密压铸科技有限公司 | A kind of pressure casting method of light-alloy |
| CN107891137A (en) * | 2017-12-12 | 2018-04-10 | 江苏珀然股份有限公司 | A kind of manufacture method of wheel hub |
| CN110218906A (en) * | 2019-05-15 | 2019-09-10 | 宝鸡拓普达钛业有限公司 | A kind of low-cost titanium alloy |
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Application publication date: 20160427 |
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