CN106222538A - The manufacture method of microalloying vermicular cast iron glass ware mould material - Google Patents

The manufacture method of microalloying vermicular cast iron glass ware mould material Download PDF

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Publication number
CN106222538A
CN106222538A CN201610780342.9A CN201610780342A CN106222538A CN 106222538 A CN106222538 A CN 106222538A CN 201610780342 A CN201610780342 A CN 201610780342A CN 106222538 A CN106222538 A CN 106222538A
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CN
China
Prior art keywords
microalloying
silicon
manufacture method
iron
potassium
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CN201610780342.9A
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Chinese (zh)
Inventor
赵兰英
滕元国
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Changshu Jinnuo Jinggong Mould Manufacturing Co Ltd
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Changshu Jinnuo Jinggong Mould Manufacturing Co Ltd
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Priority to CN201610780342.9A priority Critical patent/CN106222538A/en
Publication of CN106222538A publication Critical patent/CN106222538A/en
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D5/00—Heat treatments of cast-iron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/04—Cast-iron alloys containing spheroidal graphite
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

The invention discloses the manufacture method of a kind of microalloying vermicular cast iron glass ware mould material, its comprise the steps: step 1, choose by each constituent mass percentage ratio raw material add smelting furnace carry out melting, described each constituent mass percentage ratio is: carbon 3.5～3.6%, silicon 2.4～2.7%, copper 0.2～0.3%, manganese 0.5～0.55%, chromium 0.25～0.29%, titanium 0.06～0.08%, sodium 0.004～0.007%, potassium 0.001～0.003%, rare earth element 0.018～0.022%, magnesium 0.01～0.03%, remaining is ferrum；Step 2, in molten iron add molten iron gross mass 0.52% potassium sodium vermiculizer carry out creepage rate；Step 3,75 silicon iron inoculator are selected to use in current-following inoculation+bags to breed and carry out inoculation；Step 4, entering in sand mould in iron core Quench mode by molten iron casting, cast is taken out glass mold in sand mould after terminating and is made annealing treatment.The microalloying vermicular cast iron glass ware mould material molds that the method prepares is difficult to craze and transfiguration, good heat dissipation effect, and glass mold is more than 750,000 times service life.

Description

The manufacture method of microalloying vermicular cast iron glass ware mould material
Technical field
The present invention relates to the manufacture method of a kind of vermicular graphite iron material, particularly relate to a kind of microalloying vermicular cast iron glass The manufacture method of glass vessel mold materials.
Background technology
Vermicular graphite iron material is compared to gray cast iron material, and its mechanical performance is significantly stronger than casting pig and has and casting pig phase When heat conductivility, simultaneously there is again good thermal fatigue resistance, it is adaptable to the manufacture of glass mold.Prior art is no lack of To being applicable to the research of vermicular graphite iron material, disclosed " the alloy vermicular cast iron glass molds of such as Chinese patent CN102851568B Tool material and preparation method thereof ", its chemical element composition and mass percent thereof be: the carbon of 3.5-3.6%, the silicon of 2.9-3%, The manganese of 0.4-0.5%, the molybdenum of 0.4-0.5%, the vanadium of ＜ 0.15%, the titanium of ＜ 0.1%, the chromium of 0.3-0.4%, 0.4-0.5% Nickel, the phosphorus of ＜ 00.05% and the sulfur of ＜ 0.03%, Yu Weitie.Disclosed " a kind of resistance to heat seal of Chinese patent CN102851574B Gold vermicular cast iron and preparation method thereof ", comprise the carbon of the component of following masses percentage ratio: 2.6-3.1%, the silicon of 3.4-4.5%, The manganese of 0.2-0.4%, the nickel of 0.2-0.3%, the molybdenum of 0.4-0.6%, the aluminum of 0.5-0.8%, the strontium of 0.05-0.08%, 0.02- The calcium of 0.04%, the magnesium of 0.04-0.06% and the europium of 0.03-0.05%, Yu Weitie.Above-mentioned two technical scheme all by molybdenum, The strong carbide alloying element such as vanadium, titanium, easily forms large-size massive carbide, and the existence of bulk carbide makes under toughness of material Fall, easy thermal fatigue failure reduces service life.
Summary of the invention
For above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of microalloying vermicular cast iron glass drying oven The manufacture method of mold materials, to reduce large-size massive carbide raising die life.
The technical scheme is that such: the manufacturer of a kind of microalloying vermicular cast iron glass ware mould material Method, it comprises the steps:
Step 1, choose by each constituent mass percentage ratio raw material add smelting furnace carry out melting, described each constituent mass percentage Ratio is: carbon 3.5～3.6%, silicon 2.4～2.7%, copper 0.2～0.3%, manganese 0.5～0.55%, chromium 0.25～0.29%, titanium 0.06～0.08%, sodium 0.004～0.007%, potassium 0.001～0.003%, rare earth element 0.018～0.022%, magnesium 0.01 ～0.03%, remaining is ferrum；
Step 2, in molten iron add molten iron gross mass 0.52% potassium sodium vermiculizer carry out creepage rate；
Step 3,75 silicon iron inoculator are selected to use in current-following inoculation+bags to breed and carry out inoculation；
Step 4, entering in sand mould in iron core Quench mode by molten iron casting, cast takes out glass after terminating in sand mould Mould makes annealing treatment.
Preferably, described each constituent mass percentage ratio is: carbon 3.5%, silicon 2.7%, copper 0.3%, manganese 0.55%, chromium 0.25%, titanium 0.07%, sodium 0.004%, potassium 0.001%, rare earth element 0.022%, magnesium 0.02%, remaining is ferrum.
Preferably, described each constituent mass percentage ratio is: carbon 3.56%, silicon 2.4%, copper 0.25%, manganese 0.5%, chromium 0.26%, titanium 0.08%, sodium 0.006%, potassium 0.002%, rare earth element 0.02%, magnesium 0.01%, remaining is ferrum.
Preferably, described each constituent mass percentage ratio is: carbon 3.6%, silicon 2.6%, copper 0.2%, manganese 0.53%, chromium 0.29%, titanium 0.06%, sodium 0.007%, potassium 0.003%, rare earth element 0.018%, magnesium 0.03%, remaining is ferrum.
Preferably, in described step 1, smelting temperature is 1530～1535 DEG C, in described step 4 pouring temperature be 1370～ 1375℃。
Compared with prior art, technical scheme provided by the present invention provides the benefit that:
The method uses potassium sodium alterant to combine low rare earth element compactedization, adds a small amount of titanium elements and obtains high-performance compacted ink casting Iron material, suppression crack of die deformation, good heat dissipation effect, glass mold is more than 750,000 times service life.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but not as a limitation of the invention.
Embodiment 1
The manufacture method of a kind of microalloying vermicular cast iron glass ware mould material, it comprises the steps:
Step 1, choose by each constituent mass percentage ratio raw material add smelting furnace carry out melting, each constituent mass percentage ratio For: carbon 3.5%, silicon 2.7%, copper 0.3%, manganese 0.55%, chromium 0.25%, titanium 0.07%, sodium 0.004%, potassium 0.001% is dilute Earth elements 0.022%, magnesium 0.02%, remaining is ferrum, smelting temperature 1530 DEG C；
Step 2, in molten iron add molten iron gross mass 0.52% potassium sodium vermiculizer carry out creepage rate；
Step 3,75 silicon iron inoculator are selected to use in current-following inoculation+bags to breed and carry out inoculation；
Step 4, entering in sand mould in iron core Quench mode by molten iron casting, pouring temperature is 1375 DEG C, after cast terminates In sand mould, take out glass mold make annealing treatment.Obtain microalloying vermicular cast iron glass ware mould installation after with 10 times/mould produces glass drying oven in * minute, and die life is 75.6 ten thousand times.
Embodiment 2
The manufacture method of a kind of microalloying vermicular cast iron glass ware mould material, it comprises the steps:
Step 1, choose by each constituent mass percentage ratio raw material add smelting furnace carry out melting, each constituent mass percentage ratio For: carbon 3.56%, silicon 2.4%, copper 0.25%, manganese 0.5%, chromium 0.26%, titanium 0.08%, sodium 0.006%, potassium 0.002% is dilute Earth elements 0.02%, magnesium 0.01%, remaining is ferrum, smelting temperature 1535 DEG C；
Step 2, in molten iron add molten iron gross mass 0.52% potassium sodium vermiculizer carry out creepage rate；
Step 3,75 silicon iron inoculator are selected to use in current-following inoculation+bags to breed and carry out inoculation；
Step 4, entering in sand mould in iron core Quench mode by molten iron casting, pouring temperature is 1375 DEG C, after cast terminates In sand mould, take out glass mold make annealing treatment.Obtain microalloying vermicular cast iron glass ware mould installation after with 10 times/mould produces glass drying oven in * minute, and die life is 77.2 ten thousand times.
Embodiment 3
The manufacture method of a kind of microalloying vermicular cast iron glass ware mould material, it comprises the steps:
Step 1, choose by each constituent mass percentage ratio raw material add smelting furnace carry out melting, each constituent mass percentage ratio For: carbon 3.6%, silicon 2.6%, copper 0.2%, manganese 0.53%, chromium 0.29%, titanium 0.06%, sodium 0.007%, potassium 0.003% is dilute Earth elements 0.018%, magnesium 0.03%, remaining is ferrum, smelting temperature 1530 DEG C；
Step 2, in molten iron add molten iron gross mass 0.52% potassium sodium vermiculizer carry out creepage rate；
Step 3,75 silicon iron inoculator are selected to use in current-following inoculation+bags to breed and carry out inoculation；
Step 4, entering in sand mould in iron core Quench mode by molten iron casting, pouring temperature is 1370 DEG C, after cast terminates In sand mould, take out glass mold make annealing treatment.Obtain microalloying vermicular cast iron glass ware mould installation after with 10 times/mould produces glass drying oven in * minute, and die life is 75.9 ten thousand times.

Claims (5)

1. the manufacture method of a microalloying vermicular cast iron glass ware mould material, it is characterised in that: it includes walking as follows Rapid:
Step 1, choose by each constituent mass percentage ratio raw material add smelting furnace carry out melting, described each constituent mass percentage ratio For: carbon 3.5～3.6%, silicon 2.4～2.7%, copper 0.2～0.3%, manganese 0.5～0.55%, chromium 0.25～0.29%, titanium 0.06 ～0.08%, sodium 0.004～0.007%, potassium 0.001～0.003%, rare earth element 0.018～0.022%, magnesium 0.01～ 0.03%, remaining is ferrum；
Step 2, in molten iron add molten iron gross mass 0.52% potassium sodium vermiculizer carry out creepage rate；
Step 3,75 silicon iron inoculator are selected to use in current-following inoculation+bags to breed and carry out inoculation；
Step 4, entering in sand mould in iron core Quench mode by molten iron casting, cast takes out glass mold after terminating in sand mould Make annealing treatment.
The manufacture method of microalloying vermicular cast iron glass ware mould material the most according to claim 1, its feature exists In: described each constituent mass percentage ratio is: carbon 3.5%, silicon 2.7%, copper 0.3%, manganese 0.55%, chromium 0.25%, titanium 0.07%, Sodium 0.004%, potassium 0.001%, rare earth element 0.022%, magnesium 0.02%, remaining is ferrum.
The manufacture method of microalloying vermicular cast iron glass ware mould material the most according to claim 1, its feature exists In: described each constituent mass percentage ratio is: carbon 3.56%, silicon 2.4%, copper 0.25%, manganese 0.5%, chromium 0.26%, titanium 0.08%, sodium 0.006%, potassium 0.002%, rare earth element 0.02%, magnesium 0.01%, remaining is ferrum.
The manufacture method of microalloying vermicular cast iron glass ware mould material the most according to claim 1, its feature exists In: described each constituent mass percentage ratio is: carbon 3.6%, silicon 2.6%, copper 0.2%, manganese 0.53%, chromium 0.29%, titanium 0.06%, Sodium 0.007%, potassium 0.003%, rare earth element 0.018%, magnesium 0.03%, remaining is ferrum.
The manufacture method of microalloying vermicular cast iron glass ware mould material the most according to claim 1, its feature exists In: in described step 1, smelting temperature is 1530～1535 DEG C, and in described step 4, pouring temperature is 1370～1375 DEG C.
CN201610780342.9A 2016-08-31 2016-08-31 The manufacture method of microalloying vermicular cast iron glass ware mould material Pending CN106222538A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107400820A (en) * 2017-07-17 2017-11-28 常熟市金诺精工模具有限公司 The preparation method of diversification black cast iron glass mold material
CN109457174A (en) * 2018-11-02 2019-03-12 常熟市金诺精工模具有限公司 The manufacturing method of molybdenum vanadium alloy cast iron glass mold material

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Publication number Priority date Publication date Assignee Title
CN85108041A (en) * 1985-10-23 1987-04-29 东北工学院 Glass mold material and production technique thereof
CN101555566A (en) * 2009-05-11 2009-10-14 苏州东方枫晟科技有限公司 Alloy cast iron glass mold material
CN102851574A (en) * 2012-09-24 2013-01-02 苏州东海玻璃模具有限公司 Heatproof alloy vermicular cast iron and method for preparing same
CN102851568A (en) * 2012-08-16 2013-01-02 苏州东方模具科技股份有限公司 Alloy vermicular cast iron glass mold material and preparation method thereof
CN105132796A (en) * 2015-09-14 2015-12-09 苏州东方模具科技股份有限公司 Medium silicon molybdenum alloy vermicular graphite cast iron glass mold material and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85108041A (en) * 1985-10-23 1987-04-29 东北工学院 Glass mold material and production technique thereof
CN101555566A (en) * 2009-05-11 2009-10-14 苏州东方枫晟科技有限公司 Alloy cast iron glass mold material
CN102851568A (en) * 2012-08-16 2013-01-02 苏州东方模具科技股份有限公司 Alloy vermicular cast iron glass mold material and preparation method thereof
CN102851574A (en) * 2012-09-24 2013-01-02 苏州东海玻璃模具有限公司 Heatproof alloy vermicular cast iron and method for preparing same
CN105132796A (en) * 2015-09-14 2015-12-09 苏州东方模具科技股份有限公司 Medium silicon molybdenum alloy vermicular graphite cast iron glass mold material and preparation method thereof

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Title
中国铸造协会: "《铸造工程师手册 第3版》", 31 December 2010 *
许春香等: "稀土、钾、钠微合金化铁素体基体蠕墨铸铁玻璃模具材质的研究", 《中国稀土学报》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107400820A (en) * 2017-07-17 2017-11-28 常熟市金诺精工模具有限公司 The preparation method of diversification black cast iron glass mold material
CN109457174A (en) * 2018-11-02 2019-03-12 常熟市金诺精工模具有限公司 The manufacturing method of molybdenum vanadium alloy cast iron glass mold material

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