CN107552731A - A kind of processing technology of evaporative pattern mold coating - Google Patents
A kind of processing technology of evaporative pattern mold coating Download PDFInfo
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- CN107552731A CN107552731A CN201710723668.2A CN201710723668A CN107552731A CN 107552731 A CN107552731 A CN 107552731A CN 201710723668 A CN201710723668 A CN 201710723668A CN 107552731 A CN107552731 A CN 107552731A
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Abstract
A kind of processing technology of evaporative pattern mold coating, belongs to Technology of EPC field, the technique is to comprise the steps of：(1) evaporative pattern mold inwall is rinsed well with clear water；(2) by even application priming paint on evaporative pattern mold inwall, then once toasted；(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking is then carried out；(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted three times；(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, you can obtain the evaporative pattern mold coating.The invention enables cast product and evaporative pattern mold adhesion, cast(ing) surface is smooth, and no concave-convex is uneven, and the quality of cast product is high；Present invention, avoiding finishing of the later stage for cast(ing) surface, operating efficiency is improved；The present invention is easily operated, and process is succinct, and production cost is low.
Description
Technical field
The invention belongs to Technology of EPC field, more particularly to a kind of processing technology of evaporative pattern mold coating.
Background technology
Lost foam casting be foam mould use bindless dry sand combination vacuum pumping technology cavityless casting, be by with
The similar bubbles model of casting dimension shape, which bonds, is combined into model cluster, after brushing fireproof coating and drying, is embedded in drystone sand
Middle vibration molding, is poured into a mould under negative pressure, model is gasified, and liquid metals occupies modal position, and casting is formed after solidification cooling
Novel casting method.Compared with conventional casting technologies, lost foam casting has following features：Casting quality is good, and cost is low；Material is not
Limit, size are all suitable；Dimensional accuracy is high, any surface finish, reduces cleaning, and saving machine adds；Internal flaw greatly reduces, dense structure；
Extensive, production in enormous quantities can be achieved；Operating environment can be substantially improved, labor intensity is reduced, reduces energy resource consumption.
At present, lost foam casting easily occurs the adhesion of foam and mould in shaping and demoulding, outside the casting for causing shaping
Rough surface, the quality of cast product reduce；And later stage manual amendment casting workload is big, wastes time and energy.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of evaporative pattern mold coating for causing cast(ing) surface smooth
Processing technology.
To solve the above problems, a kind of processing technology of evaporative pattern mold coating of the present invention, the technique be by with
Lower step composition：
(1) evaporative pattern mold inwall is rinsed well with clear water, washing time is 15~20 minutes, is then carried out at drying
Reason, drying temperature are 80~90 DEG C, and drying time is 1.2~1.5 hours, and it is standby to obtain clean evaporative pattern mold；
(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall,
Then once toasted, the temperature once toasted is 170~190 DEG C, and the time once toasted is 15~25 minutes；
(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking, secondary baking are then carried out
Roasting temperature is 195~210 DEG C, and the time of secondary baking is 30~40 minutes；
(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted three times, three times
The temperature of baking is 370~390 DEG C, and the time toasted three times is 80~100 minutes；
(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 140~160 DEG C, soaking time
For 120~150 minutes, room temperature is then naturally cooled to, you can obtain the evaporative pattern mold coating.
Priming paint in the step (2) is water-based bilayer.
Compared with prior art, the present invention has advantages below：Do not glued with evaporative pattern mold the invention enables cast product
Even, cast(ing) surface is smooth, and no concave-convex is uneven, and the quality of cast product is high；Present invention, avoiding later stage repairing for cast(ing) surface
It is whole, improve operating efficiency；The present invention is easily operated, and process is succinct, and production cost is low.
Embodiment
Embodiment 1
A kind of processing technology of evaporative pattern mold coating, the technique is to comprise the steps of：
(1) evaporative pattern mold inwall to be rinsed well with clear water, washing time is 15 minutes, then carries out drying and processing,
Drying temperature is 80 DEG C, and drying time is 1.2 hours, and it is standby to obtain clean evaporative pattern mold；
(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall,
Priming paint is water-based bilayer, is then once toasted, and the temperature once toasted is 170 DEG C, and the time once toasted is 15 minutes；
(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking, secondary baking are then carried out
Roasting temperature is 195 DEG C, and the time of secondary baking is 30 minutes；
(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted three times, three times
The temperature of baking is 370 DEG C, and the time toasted three times is 80 minutes；
(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 140 DEG C, soaking time 120
Minute, then naturally cool to room temperature, you can obtain the evaporative pattern mold coating.
It is demonstrated experimentally that under this parameter, casting is low with the degree of adhesion of evaporative pattern mold, and cast(ing) surface is smooth.
Embodiment 2
A kind of processing technology of evaporative pattern mold coating, the technique is to comprise the steps of：
(1) evaporative pattern mold inwall to be rinsed well with clear water, washing time is 18 minutes, then carries out drying and processing,
Drying temperature is 85 DEG C, and drying time is 1.3 hours, and it is standby to obtain clean evaporative pattern mold；
(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall,
Priming paint is water-based bilayer, is then once toasted, and the temperature once toasted is 180 DEG C, and the time once toasted is 20 minutes；
(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking, secondary baking are then carried out
Roasting temperature is 200 DEG C, and the time of secondary baking is 35 minutes；
(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted three times, three times
The temperature of baking is 380 DEG C, and the time toasted three times is 90 minutes；
(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 150 DEG C, soaking time 135
Minute, then naturally cool to room temperature, you can obtain the evaporative pattern mold coating.
It is demonstrated experimentally that under this parameter, the degree of adhesion of casting and evaporative pattern mold is minimum, and cast(ing) surface is most smooth, casting
Quality highest.
Therefore, the present embodiment is preferred embodiment.
Embodiment 3
A kind of processing technology of evaporative pattern mold coating, the technique is to comprise the steps of：
(1) evaporative pattern mold inwall to be rinsed well with clear water, washing time is 20 minutes, then carries out drying and processing,
Drying temperature is 90 DEG C, and drying time is 1.5 hours, and it is standby to obtain clean evaporative pattern mold；
(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall,
Priming paint is water-based bilayer, is then once toasted, and the temperature once toasted is 190 DEG C, and the time once toasted is 25 minutes；
(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking, secondary baking are then carried out
Roasting temperature is 210 DEG C, and the time of secondary baking is 40 minutes；
(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted three times, three times
The temperature of baking is 390 DEG C, and the time toasted three times is 100 minutes；
(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 160 DEG C, soaking time 150
Minute, then naturally cool to room temperature, you can obtain the evaporative pattern mold coating.
It is demonstrated experimentally that under this parameter, the degree of adhesion of casting and evaporative pattern mold is relatively low, and cast(ing) surface is more smooth.
Claims (5)
- A kind of 1. processing technology of evaporative pattern mold coating, it is characterised in that：The technique is to comprise the steps of：(1) evaporative pattern mold inwall to be rinsed well with clear water, washing time is 15~20 minutes, then carries out drying and processing, Drying temperature is 80~90 DEG C, and drying time is 1.2~1.5 hours, and it is standby to obtain clean evaporative pattern mold；(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall, then Once toasted, the temperature once toasted is 170~190 DEG C, and the time once toasted is 15~25 minutes；(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking is then carried out, secondary baking Temperature is 195~210 DEG C, and the time of secondary baking is 30~40 minutes；(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted, toasted three times three times Temperature be 370~390 DEG C, the time toasted three times be 80~100 minutes；(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 140~160 DEG C, and soaking time is 120~150 minutes, then naturally cool to room temperature, you can obtain the evaporative pattern mold coating.
- A kind of 2. processing technology of evaporative pattern mold coating according to claim 1, it is characterised in that：In the step (2) Priming paint be water-based bilayer.
- A kind of 3. processing technology of evaporative pattern mold coating according to claim 1, it is characterised in that：The technique is by following Step forms：(1) evaporative pattern mold inwall is rinsed well with clear water, washing time is 15 minutes, then carries out drying and processing, is dried Temperature is 80 DEG C, and drying time is 1.2 hours, and it is standby to obtain clean evaporative pattern mold；(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall, then Once toasted, the temperature once toasted is 170 DEG C, and the time once toasted is 15 minutes；(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking is then carried out, secondary baking Temperature is 195 DEG C, and the time of secondary baking is 30 minutes；(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted, toasted three times three times Temperature be 370 DEG C, the time toasted three times be 80 minutes；(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 140 DEG C, and soaking time is 120 points Clock, then naturally cool to room temperature, you can obtain the evaporative pattern mold coating.
- A kind of 4. processing technology of evaporative pattern mold coating according to claim 1, it is characterised in that：The technique is by following Step forms：(1) evaporative pattern mold inwall is rinsed well with clear water, washing time is 18 minutes, then carries out drying and processing, is dried Temperature is 85 DEG C, and drying time is 1.3 hours, and it is standby to obtain clean evaporative pattern mold；(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall, then Once toasted, the temperature once toasted is 180 DEG C, and the time once toasted is 20 minutes；(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking is then carried out, secondary baking Temperature is 200 DEG C, and the time of secondary baking is 35 minutes；(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted, toasted three times three times Temperature be 380 DEG C, the time toasted three times be 90 minutes；(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 150 DEG C, and soaking time is 135 points Clock, then naturally cool to room temperature, you can obtain the evaporative pattern mold coating.
- A kind of 5. processing technology of evaporative pattern mold coating according to claim 1, it is characterised in that：The technique is by following Step forms：(1) evaporative pattern mold inwall is rinsed well with clear water, washing time is 20 minutes, then carries out drying and processing, is dried Temperature is 90 DEG C, and drying time is 1.5 hours, and it is standby to obtain clean evaporative pattern mold；(2) clean evaporative pattern mold is placed on horizontal table top, the even application priming paint on evaporative pattern mold inwall, then Once toasted, the temperature once toasted is 190 DEG C, and the time once toasted is 25 minutes；(3) by even application finish paint on the evaporative pattern mold inwall after once toasting, secondary baking is then carried out, secondary baking Temperature is 210 DEG C, and the time of secondary baking is 40 minutes；(4) by even application Teflon on the evaporative pattern mold inwall after secondary baking, then toasted, toasted three times three times Temperature be 390 DEG C, the time toasted three times be 100 minutes；(5) evaporative pattern mold after toasting three times is subjected to isothermal holding, holding temperature is 160 DEG C, and soaking time is 150 points Clock, then naturally cool to room temperature, you can obtain the evaporative pattern mold coating.
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| CN201710723668.2A CN107552731A (en) | 2017-08-22 | 2017-08-22 | A kind of processing technology of evaporative pattern mold coating |
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| CN201710723668.2A CN107552731A (en) | 2017-08-22 | 2017-08-22 | A kind of processing technology of evaporative pattern mold coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510233A (en) * | 2021-05-27 | 2021-10-19 | 苏州金瑞阳模具有限公司 | Method for spraying surface coating on low-pressure cast aluminum alloy wheel die |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0773093A1 (en) * | 1995-11-08 | 1997-05-14 | Hüls Aktiengesellschaft | Coated mould for molding latex foamed articles |
| CN101069612A (en) * | 2007-05-30 | 2007-11-14 | 翁卫定 | Metal cooker surface-pattern processing technology |
| CN202029311U (en) * | 2010-12-27 | 2011-11-09 | 南通超达机械科技有限公司 | Foaming die |
| CN103611668A (en) * | 2013-11-25 | 2014-03-05 | 许昌汉诺威自动化有限公司 | Process for treating non-stick coatings for working surfaces of nylon product forming molds |
| CN105521935A (en) * | 2016-02-02 | 2016-04-27 | 宿州市冠星金属制品制造有限公司 | Coating method of annular single-surface coated steel strip for hose welding |
| CN105797932A (en) * | 2016-05-09 | 2016-07-27 | 欧福泉 | Repair method for non-stick pan |
-
2017
- 2017-08-22 CN CN201710723668.2A patent/CN107552731A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0773093A1 (en) * | 1995-11-08 | 1997-05-14 | Hüls Aktiengesellschaft | Coated mould for molding latex foamed articles |
| CN101069612A (en) * | 2007-05-30 | 2007-11-14 | 翁卫定 | Metal cooker surface-pattern processing technology |
| CN202029311U (en) * | 2010-12-27 | 2011-11-09 | 南通超达机械科技有限公司 | Foaming die |
| CN103611668A (en) * | 2013-11-25 | 2014-03-05 | 许昌汉诺威自动化有限公司 | Process for treating non-stick coatings for working surfaces of nylon product forming molds |
| CN105521935A (en) * | 2016-02-02 | 2016-04-27 | 宿州市冠星金属制品制造有限公司 | Coating method of annular single-surface coated steel strip for hose welding |
| CN105797932A (en) * | 2016-05-09 | 2016-07-27 | 欧福泉 | Repair method for non-stick pan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510233A (en) * | 2021-05-27 | 2021-10-19 | 苏州金瑞阳模具有限公司 | Method for spraying surface coating on low-pressure cast aluminum alloy wheel die |
| CN113510233B (en) * | 2021-05-27 | 2022-10-14 | 苏州金瑞阳模具有限公司 | Method for spraying surface coating on low-pressure cast aluminum alloy wheel die |
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Application publication date: 20180109 |
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