CN108085537A - The copper alloy glass mold production method of control molding facial disfigurement - Google Patents
The copper alloy glass mold production method of control molding facial disfigurement Download PDFInfo
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- CN108085537A CN108085537A CN201711375341.7A CN201711375341A CN108085537A CN 108085537 A CN108085537 A CN 108085537A CN 201711375341 A CN201711375341 A CN 201711375341A CN 108085537 A CN108085537 A CN 108085537A
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- copper alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Continuous Casting (AREA)
- Manufacture And Refinement Of Metals (AREA)
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Abstract
The invention discloses a kind of copper alloy glass mold production method for controlling molding facial disfigurement, including step：Step 1 chooses raw material and adds in smelting furnace and carries out melting, controls the alloy molten solution constituent mass percentage to be：Ni：14.0~16.0%, Al：9.0~10.0%, Zn：7.5~9.5%, Mn：0.05~0.15%, Si：0.9~1.1%, Fe：0.8~1.0%, remaining is Cu and inevitable impurity；Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, and alloy molten solution then is poured into sand mould and is poured into a mould；Step 3, casting complete after casting in sand mould the time be more than 15 it is small when after take off case take out casting.This method can effectively reduce the deformation of copper alloy glass mold clamping surface after machining.
Description
Technical field
The present invention relates to a kind of production methods of copper alloy glass mold, are closed more particularly to the copper of control molding facial disfigurement
Golden glass mold production method.
Background technology
Mouth mold common used material is copper alloy in glass mold, and copper alloy has high scattered thermal property, therefore is suitable for pair
Heat dissipation performance requires the manufacture of best mouth mold.Chinese patent CN103173648B discloses a kind of copper alloy glass mold mouth mold
Preparation method, the mold include following weight percent composition：Ni 14~16%, Al 8~9%, Zn 8~10%, Si
0.9~1.1%, Mn 0.1~0.2%, Fe<0.15%, remaining is Cu and usual impurities, with excellent heat-conductive characteristic,
Antioxygenic property and high temperature dimensional stability.Chinese patent CN106244848A discloses the copper-based glass of microalloying non-ferrous metal
Mold materials and its manufacturing method.By adding cobalt element and reducing iron content but do not contain silicon, manganese element, it is made still to have
There are the high heat dissipation of general tantnickel Cu alloy material and high rigidity characteristic, while tensile strength is high.And combine rationally control Zn-ef ficiency
Content changes copper alloy mobility in the precursor for not influencing finished product mechanical performance, obtains the rational moulding by casting time, control material
Expect homogeneity.Applicant have discovered that no matter using which kind of material component, for copper alloy die after machining, mold
The deformation of land area is difficult to control.
The content of the invention
In view of the above shortcomings of the prior art, the object of the present invention is to provide the copper alloy glass moulds of control molding facial disfigurement
Has production method, to reduce the deformation of copper alloy glass mold clamping surface after machining.
It is the technical scheme is that such：A kind of copper alloy glass mold production method for controlling molding facial disfigurement,
It includes the following steps：
Step 1 chooses raw material and adds in smelting furnace and carries out melting, controls the alloy molten solution constituent mass percentage to be：Ni：14.0
~16.0%, Al：9.0~10.0%, Zn：7.5~9.5%, Mn：0.05~0.15%, Si：0.9~1.1%, Fe：0.8~
1.0%, remaining is Cu and inevitable impurity；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, and alloy molten solution then is poured into sand mould and is poured into a mould；
Step 3, casting complete after casting in sand mould the time be more than 15 it is small when after take off case take out casting.
In order to further control copper alloy die machine after land area deformation, the step 3 take off case take out casting
Afterwards, stress relief annealing is carried out to casting before machining, casting is warming up to 680~690 DEG C, 6~8h of constant temperature, with 30~35
DEG C/h speed is cooled to 250~260 DEG C and comes out of the stove.
Further, during step 1 melting, 1300~1320 DEG C of smelting temperature is controlled.
Further, step 2 alloy molten solution, which is come out of the stove, pours into casting ladle time control and makes 1280~1300 DEG C of furnace temperature.
Further, 1220~1260 DEG C of pouring temperature is controlled when the step 2 is poured into a mould.
Compared with prior art, the advantageous effect of technical solution provided by the present invention is：It is being poured into a mould with the prior art
Casting is taken out when 3~5 is small after finishing to compare, casting of the present invention is after completing to machine, and left and right mold split, land area gap can
At 20~30 μm, 80~100 μm compared with the prior art are promoted substantially for control.
Specific embodiment
With reference to embodiment, the invention will be further described, but not as a limitation of the invention.
Embodiment 1
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：14.2%, Al：9.0%, Zn：7.5%, Mn：0.05%, Si：1.04%, Fe：0.91%,
Remaining is Cu and inevitable impurity, 1310 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1290 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1235 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 16 it is small when after take off case take out casting.
Embodiment 2
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：15.3%, Al：9.3%, Zn：9.5%, Mn：0.08%, Si：1.1%, Fe：0.82%,
Remaining is Cu and inevitable impurity, 1300 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1280 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1220 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 18 it is small when after take off case take out casting.
Embodiment 3
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：16.0%, Al：10.0%, Zn：8.2%, Mn：0.15%, Si：0.9%, Fe：1.0%,
Remaining is Cu and inevitable impurity, 1320 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1300 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1260 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 20 it is small when after take off case take out casting.
Embodiment 4
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：14.2%, Al：9.0%, Zn：7.5%, Mn：0.05%, Si：1.04%, Fe：0.91%,
Remaining is Cu and inevitable impurity, 1310 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1290 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1235 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 16 it is small when after take off case take out casting；
Step 4 carries out stress relief annealing to the casting of taking-up before machining, and casting is warming up to 685 DEG C, constant temperature 7h,
260 DEG C are cooled to 35 DEG C/h speed to come out of the stove.
Embodiment 5
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：15.3%, Al：9.3%, Zn：9.5%, Mn：0.08%, Si：1.1%, Fe：0.82%,
Remaining is Cu and inevitable impurity, 1300 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1280 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1220 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 18 it is small when after take off case take out casting；
Step 4 carries out stress relief annealing to the casting of taking-up before machining, and casting is warming up to 680 DEG C, constant temperature 6h,
250 DEG C are cooled to 30 DEG C/h speed to come out of the stove.
Embodiment 6
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：16.0%, Al：10.0%, Zn：8.2%, Mn：0.15%, Si：0.9%, Fe：1.0%,
Remaining is Cu and inevitable impurity, 1320 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1300 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1260 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 20 it is small when after take off case take out casting；
Step 4 carries out stress relief annealing to the casting of taking-up before machining, and casting is warming up to 690 DEG C, constant temperature 8h,
255 DEG C are cooled to 30 DEG C/h speed to come out of the stove.
Comparative example 1
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：14.2%, Al：9.0%, Zn：7.5%, Mn：0.05%, Si：1.04%, Fe：0.91%,
Remaining is Cu and inevitable impurity, 1310 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1290 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1235 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 4 it is small when after take off case take out casting.
Comparative example 2
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：14.2%, Al：9.0%, Zn：7.5%, Mn：0.05%, Si：1.04%, Fe：0.91%,
Remaining is Cu and inevitable impurity, 1310 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1290 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1235 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 13 it is small when after take off case take out casting.
Comparative example 3
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：14.2%, Al：9.0%, Zn：7.5%, Mn：0.05%, Si：1.04%, Fe：0.91%,
Remaining is Cu and inevitable impurity, 1310 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1290 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1235 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 4 it is small when after take off case take out casting；
Step 4 carries out stress relief annealing to the casting of taking-up before machining, and casting is warming up to 685 DEG C, constant temperature 7h,
260 DEG C are cooled to 35 DEG C/h speed to come out of the stove.
Comparative example 4
The copper alloy glass mold production method of control molding facial disfigurement, includes the following steps：
Step 1 chooses the addition smelting furnace progress melting of the raw materials such as cathode copper, electrolytic nickel, aluminium ingot, zinc ingot metal, and control alloy melts
Liquid constituent mass percentage is：Ni：15.3%, Al：9.3%, Zn：9.5%, Mn：0.08%, Si：1.1%, Fe：0.82%,
Remaining is Cu and inevitable impurity, 1300 DEG C of smelting temperature；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, controls 1280 DEG C of tapping temperature, alloy molten solution then is poured into sand mold
Mould is poured into a mould, and controls 1220 DEG C of pouring temperature；
Step 3, casting complete after casting in sand mould the time be more than 4 it is small when after take off case take out casting；
Step 4 carries out stress relief annealing to the casting of taking-up before machining, and casting is warming up to 680 DEG C, constant temperature 6h,
250 DEG C are cooled to 30 DEG C/h speed to come out of the stove.
It is detected after being machined out to the mold that above-described embodiment and comparative example obtain, measures result such as following table
| Embodiment | Gap width μm after molding | Comparative example | Gap width μm after molding |
| Embodiment 1 | 35 | Comparative example 1 | 95 |
| Embodiment 2 | 30 | Comparative example 2 | 70 |
| Embodiment 3 | 30 | Comparative example 3 | 85 |
| Embodiment 4 | 30 | Comparative example 4 | 80 |
| Embodiment 5 | 20 | ||
| Embodiment 6 | 25 |
Claims (5)
1. a kind of copper alloy glass mold production method for controlling molding facial disfigurement, which is characterized in that comprise the following steps：
Step 1 chooses raw material and adds in smelting furnace and carries out melting, controls the alloy molten solution constituent mass percentage to be：Ni：14.0~
16.0%, Al：9.0~10.0%, Zn：7.5~9.5%, Mn：0.05~0.15%, Si：0.9~1.1%, Fe：0.8~
1.0%, remaining is Cu and inevitable impurity；
Step 2, alloy molten solution, which are come out of the stove, pours into casting ladle, and alloy molten solution then is poured into sand mould and is poured into a mould；
Step 3, casting complete after casting in sand mould the time be more than 15 it is small when after take off case take out casting.
2. the copper alloy glass mold production method of control molding facial disfigurement according to claim 1, it is characterised in that：Institute
State step 3 take off case take out casting after, before machining to casting carry out stress relief annealing, casting is warming up to 680~690 DEG C,
6~8h of constant temperature is cooled to 250~260 DEG C with 30~35 DEG C/h speed and comes out of the stove.
3. the copper alloy glass mold production method of control molding facial disfigurement according to claim 1, it is characterised in that：Institute
When stating step 1 melting, 1300~1320 DEG C of smelting temperature is controlled.
4. the copper alloy glass mold production method of control molding facial disfigurement according to claim 1, it is characterised in that：Institute
It states step 2 alloy molten solution and comes out of the stove and pour into casting ladle time control and make 1280~1300 DEG C of furnace temperature.
5. the copper alloy glass mold production method of control molding facial disfigurement according to claim 1, it is characterised in that：Institute
State 1220~1260 DEG C of pouring temperature of control when step 2 is poured into a mould.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711375341.7A CN108085537A (en) | 2017-12-19 | 2017-12-19 | The copper alloy glass mold production method of control molding facial disfigurement |
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| CN201711375341.7A CN108085537A (en) | 2017-12-19 | 2017-12-19 | The copper alloy glass mold production method of control molding facial disfigurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074093A (en) * | 2019-12-30 | 2020-04-28 | 常熟市精工模具制造有限公司 | Copper alloy material for glass mold and preparation method thereof |
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2017
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|---|---|---|---|---|
| CN102218504A (en) * | 2011-05-18 | 2011-10-19 | 大连新重集团有限公司 | Method for manufacturing austempered ductile iron (ADI) front axle of heavy truck by sand casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074093A (en) * | 2019-12-30 | 2020-04-28 | 常熟市精工模具制造有限公司 | Copper alloy material for glass mold and preparation method thereof |
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