CN102366810B - A kind of casting technique - Google Patents

A kind of casting technique Download PDF

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Publication number
CN102366810B
CN102366810B CN201110306138.0A CN201110306138A CN102366810B CN 102366810 B CN102366810 B CN 102366810B CN 201110306138 A CN201110306138 A CN 201110306138A CN 102366810 B CN102366810 B CN 102366810B
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percentage
weight
casting
active additive
casting technique
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CN201110306138.0A
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CN102366810A (en
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陈伟军
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顾玉奎
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Abstract

The invention provides a kind of casting technique, including moulding, cast, cooling and knockout, it is characterized in that, described formative technology have employed a kind of casting mold mixture, including: molding sand, the aqueous sodium carbonate of 0.5% 2% percentage by weights, the alkali silicate bonding agent of 5.5% 6.0% percentage by weights, the bright carbon of 2 3% percentage by weights, the zeolite of 1 2% percentage by weight, the active additive of 1% 2% percentage by weights, it is characterized in that, described active additive is polycrystalline spherical. described casting mold mixture has higher intensity, good mobility and high collapsibility.

Description

A kind of casting technique
Technical field
The present invention relates to a kind of casting field, be specifically designed a kind of casting technique.
Background technology
Casting technique generally comprises moulding, cast, cooling and knockout, and molding sand effect in Foundry Production is particularly important, The casting wasted product caused because of the poor quality of molding sand accounts for the 30~50% of the total waste product of foundry goods.The generally requirement to molding sand is: 1. there is higher intensity and heat stability, to bear the effect of various external force and high temperature.The best mobility, i.e. molding sand exist The ability being mutually shifted between sand grains under external force or action of gravity own.The most certain plasticity, i.e. molding sand become under external force Shape, can keep the ability of the shape given after external force is removed.4. preferably breathability, i.e. molding sand hole is through the energy of gas Power.The highest collapsibility, also known as knockability, i.e. after casting solidification, whether molding sand is easily destroyed, if easily from foundry goods supernatant The performance removed.Common molding sand mainly by roughing sand, be stained with class binding agent, water and coal dust etc. and form, it tends not to well has There is the above-mentioned requirement to molding sand, the invention provides a kind of new casting mold mixture, be used for overcoming plain edition The deficiency of sand, thus meet above numerous requirements that molding sand is proposed.
Summary of the invention
For the deficiencies in the prior art, one of the object of the invention is to provide a kind of high performance casting mold to mix Thing. its main technical schemes is:
A kind of casting technique, including moulding, cast, cooling and knockout, it is characterised in that described formative technology have employed one Plant casting mold mixture, including: molding sand, the aqueous sodium carbonate of 0.5%-2% percentage by weight, 5.5%-6.0% weight The alkali silicate bonding agent of amount percentage ratio, the bright carbon of 2-3% percentage by weight, the zeolite of 1-2% percentage by weight, 1%- The active additive of 2% percentage by weight, it is characterised in that described active additive is polycrystalline spherical.
A diameter of 60-100 nanometer of described polycrystalline spherical.
Described sodium carbonate percentage by weight is 1.6%.
The percentage by weight of described alkali silicate bonding agent is 5.8%.
The percentage by weight of described active additive is 1.4%.
Detailed description of the invention
Embodiment one
Casting technique includes moulding, cast, cooling and knockout, and described formative technology have employed a kind of casting mold mixing Thing, it includes following main component:
Aqueous sodium carbonate 0.5%
Alkali silicate bonding agent 5.5%
Light carbon 2%,
Zeolite 1%,
Active additive 1%, active additive is polycrystalline spherical, its a diameter of 60-100 nanometer.
Remaining is common sand.
After tested, the intensity of said mixture is 475N/cm2, and removal power is 64N/cm2, mobility 80%.
Embodiment two
Casting technique includes moulding, cast, cooling and knockout, and described formative technology have employed a kind of casting mold mixing Thing, it includes following main component:
Aqueous sodium carbonate 0.2%
Alkali silicate bonding agent 6%
Light carbon 3%,
Zeolite 2%,
Active additive 2%, active additive is polycrystalline spherical, its a diameter of 60-100 nanometer.
Remaining is common sand.
After tested, the intensity of said mixture is 485N/cm2, and removal power is 67N/cm2, mobility 83%.
Embodiment three
Casting technique includes moulding, cast, cooling and knockout, and described formative technology have employed a kind of casting mold mixing Thing, it includes following main component:
Aqueous sodium carbonate 1.6%
Alkali silicate bonding agent 5.8%
Light carbon 2.5%,
Zeolite 1.8%,
Active additive 1.4%, active additive is polycrystalline spherical, its a diameter of 60-100 nanometer.
Remaining is common sand.
After tested, the intensity of said mixture is 409N/cm2, and removal power is 63N/cm2, mobility 87%.
Applicant states, any improvement in the present invention, and the equivalence of raw material each to product of the present invention is replaced and auxiliary element Interpolation, concrete way choice etc., all fall within protection scope of the present invention and open within the scope of.

Claims (4)

1. a casting technique, including moulding, pours into a mould, cools down and knockout, it is characterised in that formative technology have employed a kind of casting Use casting mold mixture, consisting of:
Molding sand,
The aqueous sodium carbonate of 0.5%-2% percentage by weight,
The alkali silicate bonding agent of 5.5%-6.0% percentage by weight,
The bright carbon of 2%-3% percentage by weight,
The zeolite of 1%-2% percentage by weight,
The active additive of 1%-2% percentage by weight,
Described active additive is polycrystalline spherical, a diameter of 60-of described polycrystalline spherical 100 nanometers.
Casting technique the most according to claim 1, it is characterised in that the percentage by weight of described aqueous sodium carbonate is 1.6%.
Casting technique the most according to claim 1, it is characterised in that the percentage by weight of described alkali silicate bonding agent is 5.8%.
Casting technique the most according to claim 1, it is characterised in that the percentage by weight of described active additive is 1.4%.
CN201110306138.0A 2011-10-10 A kind of casting technique Active CN102366810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110306138.0A CN102366810B (en) 2011-10-10 A kind of casting technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110306138.0A CN102366810B (en) 2011-10-10 A kind of casting technique

Publications (2)

Publication Number Publication Date
CN102366810A CN102366810A (en) 2012-03-07
CN102366810B true CN102366810B (en) 2016-12-14

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095719A2 (en) * 1999-10-26 2001-05-02 VAW Aluminium AG Binder, core sand and process for their production
CN101468382A (en) * 2007-12-24 2009-07-01 西峡县内燃机进排气管有限责任公司 Mould sand
CN101690970A (en) * 2009-09-01 2010-04-07 周义 Moulding sand reinforcing brightening agent
CN101733361A (en) * 2010-01-06 2010-06-16 东华大学 Sand burning preventing coal dust free green sand for casting and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095719A2 (en) * 1999-10-26 2001-05-02 VAW Aluminium AG Binder, core sand and process for their production
CN101468382A (en) * 2007-12-24 2009-07-01 西峡县内燃机进排气管有限责任公司 Mould sand
CN101690970A (en) * 2009-09-01 2010-04-07 周义 Moulding sand reinforcing brightening agent
CN101733361A (en) * 2010-01-06 2010-06-16 东华大学 Sand burning preventing coal dust free green sand for casting and preparation method thereof

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Patentee before: Zhejiang Hongsheng Technology Transfer Services Ltd.

Effective date of registration: 20170420

Address after: 312365 Zhejiang Province, Shaoxing city Shangyu District Songxia Town City Station International Plaza building 36 unit room 1-101

Patentee after: Zhejiang Hongsheng Technology Transfer Services Ltd.

Address before: 266000 Licang, Qingdao, No. nine East water road, No. 320, No.

Patentee before: Gu Yukui