CN103286264B - A kind of cavityless casting bubbles model healant - Google Patents
A kind of cavityless casting bubbles model healant Download PDFInfo
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- CN103286264B CN103286264B CN201310234482.2A CN201310234482A CN103286264B CN 103286264 B CN103286264 B CN 103286264B CN 201310234482 A CN201310234482 A CN 201310234482A CN 103286264 B CN103286264 B CN 103286264B
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- healant
- bubbles model
- tackiness agent
- eps foam
- foam powder
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Abstract
The present invention discloses a kind of cavityless casting bubbles model healant, and it is formed primarily of eps foam powder, tackiness agent and water mixing, is stirred into paste upon mixing. Compared with prior art, eps foam powder, tackiness agent and aqueous phase are mixed into paste, as the healant of cavityless casting bubbles model, there is the advantage not easily dissolved, directly healant is coated in during use the seam of bubbles model and damaged place, easy to operate, it is to increase production efficiency.<!--1-->
Description
Technical field
The present invention relates to a kind of cavityless casting bubbles model healant.
Background technology
At present, in cavityless casting process, using EPS(polystyrene) foam is as the gating system in castingprocesses, bubbles model is produced by eps foam, then coat refractory paint at bubbles model, after dry, bubbles model is imbedded in molding sand, in pouring molten iron process, foam is gasificated into gas discharge, and molten iron fills type and forms foundry goods profile size.
After bubbles model completes, due to the characteristic of foam, it is easy to damage, breakage, for the breakage of big area, it is possible to repaired by bonding foam, but the breakage for small area, use foam to carry out reparation to be difficult to carry out, and Modelling process needs splicing, so just there is the problem of seam, it is use old and useless newspaper butt seam place to carry out processing or use bright and clean coating at present for this kind of problem, in these two kinds of methods, adopt the newspaper treatment time longer, not easily operate; Using bright and clean coating, meeting high temperature due to paraffin in bright and clean coating can melt, and post-drying is coated in model showering, and the bright and clean coating material melt of paraffinic base is that dope layer peels off, and affects coating quality.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cavityless casting bubbles model healant, for the repairing of bubbles model seam and small area breakage place.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of cavityless casting bubbles model healant, forms primarily of eps foam powder, tackiness agent and water mixing, is stirred into paste upon mixing.
The volume ratio of described eps foam powder, tackiness agent and water is 1:(1.2 ~ 1.3): (0.1 ~ 0.2).
Healant also comprises industrial spirit, and the volume ratio of described eps foam powder, tackiness agent, water and industrial spirit is 1:(1.2 ~ 1.3): (0.1 ~ 0.2): (0.15 ~ 0.25).
Described tackiness agent adopts white glue with vinyl.
The present invention adopts technique scheme, compared with prior art, eps foam powder, tackiness agent and aqueous phase are mixed into paste, as the healant of cavityless casting bubbles model, there is the advantage not easily dissolved, directly healant is coated in during use the seam of bubbles model and damaged place, easy to operate, it is to increase production efficiency.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
A kind of cavityless casting bubbles model healant of the present invention, is formed primarily of eps foam powder, tackiness agent and water mixing.In process for preparation, first in eps foam powder, add a certain amount of tackiness agent, add suitable quantity of water afterwards and dilute, and be stirred into paste. In use, it is possible to the healant of paste is directly coated in the seam place of bubbles model, and the damaged place of the small area on bubbles model can also directly coat the healant of paste, smooth to repair.
The volume ratio of eps foam powder, tackiness agent and water is 1:(1.2 ~ 1.3): (0.1 ~ 0.2).
The tackiness agent of the present invention is the model that bright latex factory of Anhui Wuhu City produces is the white glue with vinyl of WG-200.
The eps foam powder degree of the present invention is 100 orders, and softening temperature is 60 ~ 65 DEG C.
Owing to white glue with vinyl is water-soluble, meeting water and easily dissolve, so needing to mix with eps foam powder, eps foam powder can be played a supporting role, and is equivalent to support frame. If again due to only add white glue with vinyl words, white glue with vinyl compares high with the mixed viscosity of eps foam powder, so also needing to add appropriate water, dilutes, reduce viscosity, otherwise can due to white glue with vinyl too sticky and cause repairing time be not easy floating whole.
Can also adding appropriate industrial spirit at healant, the volume ratio of eps foam powder, tackiness agent, water and industrial spirit is 1:(1.2 ~ 1.3): (0.1 ~ 0.2): (0.15 ~ 0.25).
In industrial spirit, ethanol content is more than or equal to 95%, and methanol content is lower than 0.01%
The healant not adding industrial spirit can use during bubbles model appearance breakage in the operation of bubbles model surface showering refractory materials. But when sand is buried in moulding, when not processing industry alcohol, the moisture being coated in the healant on bubbles model easily makes cast iron produce pore after running into high temperature liquid iron, so needing to add industrial spirit in healant, just can reduce the ratio of the water adding in healant accordingly. Due to industrial spirit itself moisture few (moisture at most 5%), after adding industrial spirit, the corresponding minimizing of moisture total in healant, also just decreases the cast iron when sand is buried in moulding and produces the probability of pore.
Embodiment 1
The volume ratio of eps foam powder, tackiness agent and water is 1:1.2:0.2.
The healant of the paste formed according to aforementioned formula not easily dissolves, for the repairing of bubbles model seam and small area breakage place.
Embodiment 2
The volume ratio of eps foam powder, tackiness agent and water is 1:1.3:0.1.
The healant of the paste formed according to aforementioned formula not easily dissolves, for the repairing of bubbles model seam and small area breakage place.
Embodiment 3
The volume ratio of eps foam powder, tackiness agent and water is 1:1.25:0.15.
The healant of the paste formed according to aforementioned formula not easily dissolves, for the repairing of bubbles model seam and small area breakage place.
Embodiment 4
The volume ratio of eps foam powder, tackiness agent, water and industrial spirit is: 1:1.2:0.2:0.25.
The healant of the paste formed according to aforementioned formula not easily dissolves, for the repairing of bubbles model seam and small area breakage place, being mainly used in the repairing to bubbles model before sand is buried in moulding.
Embodiment 5
The volume ratio of eps foam powder, tackiness agent, water and industrial spirit is: 1:1.3:0.1:0.15.
The healant of the paste formed according to aforementioned formula not easily dissolves, for the repairing of bubbles model seam and small area breakage place, being mainly used in the repairing to bubbles model before sand is buried in moulding.
Embodiment 6
The volume ratio of eps foam powder, tackiness agent, water and industrial spirit is: 1:1.25:0.15:0.2.
The healant of the paste formed according to aforementioned formula not easily dissolves, for the repairing of bubbles model seam and small area breakage place, being mainly used in the repairing to bubbles model before sand is buried in moulding.
Claims (1)
1. a cavityless casting bubbles model healant, it is characterised in that: form primarily of eps foam powder, tackiness agent, water and industrial spirit mixing, it is stirred into paste upon mixing;
The volume ratio of described eps foam powder, tackiness agent, water and industrial spirit is 1:(1.2��1.3): (0.1��0.2): (0.15��0.25);
Tackiness agent adopts white glue with vinyl, and eps foam powder degree is 100 orders, and softening temperature is 60��65 DEG C; In industrial spirit, ethanol content is more than or equal to 95%, and methanol content is lower than 0.01%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234482.2A CN103286264B (en) | 2013-06-14 | 2013-06-14 | A kind of cavityless casting bubbles model healant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310234482.2A CN103286264B (en) | 2013-06-14 | 2013-06-14 | A kind of cavityless casting bubbles model healant |
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| Publication Number | Publication Date |
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| CN103286264A CN103286264A (en) | 2013-09-11 |
| CN103286264B true CN103286264B (en) | 2016-06-08 |
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| CN201310234482.2A Active CN103286264B (en) | 2013-06-14 | 2013-06-14 | A kind of cavityless casting bubbles model healant |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734913B (en) * | 2016-12-28 | 2018-09-28 | 西安西工大超晶科技发展有限责任公司 | A kind of precision-investment casting model method for repairing and mending |
| CN108838330B (en) * | 2018-08-01 | 2020-06-16 | 安徽信息工程学院 | Repairing method of lost foam |
| CN109591337A (en) * | 2018-10-12 | 2019-04-09 | 江西昌河航空工业有限公司 | A kind of repair method of helicopter blade foam pieces |
Citations (4)
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| US4576216A (en) * | 1983-11-08 | 1986-03-18 | Newellpharma S.R.L. | Process for manufacturing investment molds |
| CN88105050A (en) * | 1988-04-05 | 1988-12-21 | 张培基 | Manufacturing method of water-proof adhesive agent |
| CN101642797A (en) * | 2009-09-01 | 2010-02-10 | 郑宝安 | Mending paste special for lost foam casting |
| CN101787102A (en) * | 2010-01-04 | 2010-07-28 | 浙江师范大学 | Method for preparing white latex by utilizing polystyrene waste |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0824994B2 (en) * | 1991-11-29 | 1996-03-13 | 日本エンジ株式会社 | Vanishing model repair agent |
| JP2002307133A (en) * | 2001-04-10 | 2002-10-22 | Ichiro Fujiwara | Repair agent composition for lost pattern and adhesive composition for lost pattern |
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2013
- 2013-06-14 CN CN201310234482.2A patent/CN103286264B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4576216A (en) * | 1983-11-08 | 1986-03-18 | Newellpharma S.R.L. | Process for manufacturing investment molds |
| CN88105050A (en) * | 1988-04-05 | 1988-12-21 | 张培基 | Manufacturing method of water-proof adhesive agent |
| CN101642797A (en) * | 2009-09-01 | 2010-02-10 | 郑宝安 | Mending paste special for lost foam casting |
| CN101787102A (en) * | 2010-01-04 | 2010-07-28 | 浙江师范大学 | Method for preparing white latex by utilizing polystyrene waste |
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| CN103286264A (en) | 2013-09-11 |
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Address after: 241009 No. 21 Hongguang Road, North Industrial Zone, Wuhu economic and Technological Development Zone, Anhui, China Patentee after: Wuhu Hong Hu Materials Technology Co. Ltd. Address before: 241000 Yongfeng Road, Shiqiao Industrial Park, Wuhu economic and Technological Development Zone, Anhui Patentee before: Wuhu Ruigu Casting Co.,Ltd. |
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