CN104690223A - A production process of an explosion-proof anticorrosion motor end bracket - Google Patents
A production process of an explosion-proof anticorrosion motor end bracket Download PDFInfo
- Publication number
- CN104690223A CN104690223A CN201310655722.6A CN201310655722A CN104690223A CN 104690223 A CN104690223 A CN 104690223A CN 201310655722 A CN201310655722 A CN 201310655722A CN 104690223 A CN104690223 A CN 104690223A
- Authority
- CN
- China
- Prior art keywords
- motor end
- end cap
- electric motor
- core
- corrosion protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention belongs to the field of production and manufacturing of motor end brackets, and particularly relates to a production process of an explosion-proof anticorrosion motor end bracket. A core assembly foundry process is adopted. The production process includes steps of: (1) preparing a mold core by adoption of a resin sand molding core-preparing method; (2) subjecting the mold core to flow coating with fireproof coating and assembling the core; (3) smelting molten iron by an electric furnace and pouring to obtain a blank casting; (4) cleaning the blank casting and performing anticorrosion coating; and (5) machining and examining. The production process overcomes the technical problems of original motor end brackets, namely rough appearances of blanks, many sand holes and gas pores, many rejects, easy corrosion, and incapability of meeting requirements on explosion proofing, corrosion resistance, and the like, enhances safety performance of the product and prolongs the service lifetime of the product.
Description
Technical field
The present invention relates to a kind of explosion proof and corrosion protection electric motor end cap production technology, belong to electric motor end cap and manufacture field.
Background technology
The production field of current electric motor end cap, main process is by original clay-bonded sand moulding, obtains electric motor end cap blank after cast iron liquid, through the common antirust paint of cleaning spraying, and then obtains electric motor end cap finished part through machined.The drawback of this production method is, the electric motor end cap blank outward appearance of acquisition is coarse, sand holes pore is many, waste product is many, easily corrodes, and product cannot meet the particular/special requirement of explosion proof and corrosion protection.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of explosion proof and corrosion protection electric motor end cap production technology, to obtain, yield rate is high, good looking appearance, stable performance electric motor end cap, meet the industry fields such as oil, chemical industry, colliery, boats and ships to the requirement of motor performance security performance.
Explosion proof and corrosion protection electric motor end cap production technology of the present invention, adopt multiple-core casting technique, step is as follows:
(1) phenolic sand molding core-making method is adopted to obtain core;
(2) core assembly is carried out after core flow coat fireproof coating;
(3) carry out cast after adopting electro-smelting iron liquid and obtain spray;
(4) spray carries out anti-corrosion spray after cleaning;
(5) machining and inspection.
Machining in step 5 refers to conventional by carrying out the manufacturing procedures such as face work, car endoporus, cylindrical, boring, tapping by plant equipment to end cap.
Resin sand in described step 1 is cleaned sand, furane resins and toluenesulfonic acid curing agent by desert and is made through both arms flow mixer.
The quality of described furane resins is that 0.8 ~ 1.2% of chiltern amount is cleaned in desert, and the quality of toluenesulfonic acid curing agent is 40 ~ 60% of furane resins quality.
Fireproof coating in described step 2 adopts alcohol radical graphite paint.
In described step 3, electric furnace adopts mandreless spinning, and mandreless spinning is by after Smelting of iron, and making to contain mass fraction in iron liquid is the copper of 0.05%.
Anti-corrosion spray in described step 4 first sprays epoxy zinc rich primer 50 μm, and then spray epoxy primer 140 μm, finally sprays epoxy finish 50 μm.
The invention has the beneficial effects as follows:
Make by using this technique the electric motor end cap obtained and solve that original electric motor end cap blank outward appearance is coarse, sand holes pore is many, waste product is many, easy corrosion, product cannot meet the technical problem that explosion proof and corrosion protection etc. requires, can improve security performance and the service life of product.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further:
Embodiment one:
An explosion proof and corrosion protection electric motor end cap for 355 types, itself and electric machine casing etc. assemble after for industries such as oil, chemical industry, colliery, boats and ships, require that electric motor end cap has good explosion-proof performance to guarantee safety.
Multiple-core casting technique is adopted: adopt phenolic sand molding core-making method to obtain core in electric motor end cap manufacturing process, core assembly is carried out after core flow coat fireproof coating, carry out cast after adopting electro-smelting iron liquid and obtain spray, after cleaning, carry out anti-corrosion spray again, after eventually passing machining and inspection, obtain explosion proof and corrosion protection electric motor end cap finished product.
Above-mentioned phenolic sand molding core-making method is that sand is cleaned in employing 30 ~ 50 order desert, and adding mass fraction is the furane resins of 1.0% and the toluenesulfonic acid curing agent of 0.5%, then obtains after the mixed system of both arms flow mixer.
Above-mentioned fireproof coating adopts alcohol radical graphite paint.
Above-mentioned electro-smelting iron liquid adopts mandreless spinning fusing, and make the copper containing 0.05% in iron liquid.
Above-mentioned anti-corrosion spray first sprays epoxy zinc rich primer 50 μm, and then spray epoxy primer 140 μm, finally sprays epoxy finish 50 μm.
After adopting this technique, electric motor end cap yield rate controls more than 99.1%, and outward appearance exquisiteness is attractive in appearance, and explosion-proof pressure test reaches more than 23bar, dimensionally stable, and antiseptic power is higher than common process 3 times.
Embodiment two:
Explosion-proof, the anticorrosion motor end cap of 225 types, reach in the extremely cold environment of-40 DEG C for minimum environment temperature after its assembling, require that electric motor end cap has good explosion-proof and antiseptic property to guarantee safety and stability.
Adopt multiple-core casting technique, phenolic sand molding core-making method is adopted to obtain core, core assembly is carried out after core flow coat fireproof coating, carry out cast after adopting electro-smelting iron liquid and obtain spray, after cleaning, carry out anti-corrosion spray again, after eventually passing machining and inspection, obtain explosion proof and corrosion protection electric motor end cap finished product.
Above-mentioned phenolic sand molding core-making method is that sand is cleaned in employing 30 ~ 50 order desert, add the furane resins of 1.0% and the toluenesulfonic acid curing agent of 0.5% to carry out after the mixed system of both arms flow mixer, the furane resins of 1.0% and the toluenesulfonic acid curing agent of 0.5% are mass fraction.
Above-mentioned fireproof coating adopts alcohol radical graphite paint.
Above-mentioned electro-smelting iron liquid adopts mandreless spinning fusing, and make the copper containing 0.05% in iron liquid.
Above-mentioned anti-corrosion spray first sprays epoxy zinc rich primer 50 μm, and then spray epoxy primer 140 μm, finally sprays epoxy finish 50 μm.
After adopting this new technology, electric motor end cap yield rate controls more than 99%, and outward appearance exquisiteness is attractive in appearance, and explosion-proof pressure test reaches more than 23bar, dimensionally stable, and the anticorrosion time reaches more than 10 years.
Embodiment three:
Explosion-proof, the anticorrosion motor end cap of 400 types, itself and electric machine casing assemble after for the marine electric machine of marine environment, require that electric motor end cap has good explosion-proof and antiseptic property to guarantee safety and stability.
Adopt multiple-core casting technique, phenolic sand molding core-making method is adopted to obtain core, core assembly is carried out after core flow coat fireproof coating, carry out cast after adopting electro-smelting iron liquid and obtain spray, after cleaning, carry out anti-corrosion spray again, after eventually passing machining and inspection, obtain explosion proof and corrosion protection electric motor end cap finished product.
Above-mentioned phenolic sand molding core-making method is that sand is cleaned in employing 30 ~ 50 order desert, adds the furane resins of 1.0% and the toluenesulfonic acid curing agent of 0.5% and carries out after the mixed system of flow mixer.
Above-mentioned fireproof coating adopts alcohol radical graphite paint.
Above-mentioned electro-smelting iron liquid adopts mandreless spinning fusing, and make the copper containing 0.05% in iron liquid.
Above-mentioned anti-corrosion spray first sprays epoxy zinc rich primer 50 μm, and then spray epoxy primer 140 μm, finally sprays epoxy finish 50 μm.
After adopting this new technology, electric motor end cap yield rate controls more than 99.5%, good appearance, and explosion proof and corrosion protection performance all reaches requirement.
Claims (7)
1. an explosion proof and corrosion protection electric motor end cap production technology, it is characterized in that adopting multiple-core casting technique, step is as follows:
(1) phenolic sand molding core-making method is adopted to obtain core;
(2) core assembly is carried out after core flow coat fireproof coating;
(3) carry out cast after adopting electro-smelting iron liquid and obtain spray;
(4) spray carries out anti-corrosion spray after cleaning;
(5) machining and inspection.
2. explosion proof and corrosion protection electric motor end cap production technology according to claim 1, is characterized in that: the resin sand in step 1 is cleaned sand, furane resins and toluenesulfonic acid curing agent by desert and made through both arms flow mixer.
3. explosion proof and corrosion protection electric motor end cap production technology according to claim 2, is characterized in that: the quality of furane resins is that 0.8 ~ 1.2% of chiltern amount is cleaned in desert, and the quality of toluenesulfonic acid curing agent is 40 ~ 60% of furane resins quality.
4. explosion proof and corrosion protection electric motor end cap production technology according to claim 2, is characterized in that: the order number that sand is cleaned in desert is 30 ~ 50 orders.
5. explosion proof and corrosion protection electric motor end cap production technology according to claim 1 and 2, is characterized in that: the fireproof coating in step 2 adopts alcohol radical graphite paint.
6. explosion proof and corrosion protection electric motor end cap production technology according to claim 1, is characterized in that: in step 3, electric furnace adopts mandreless spinning, and mandreless spinning is by after Smelting of iron, and making to contain mass fraction in iron liquid is the copper of 0.05%.
7. explosion proof and corrosion protection electric motor end cap production technology according to claim 1, is characterized in that: the anti-corrosion spray in step 4 first sprays epoxy zinc rich primer 50 μm, and then spray epoxy primer 140 μm, finally sprays epoxy finish 50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655722.6A CN104690223A (en) | 2013-12-05 | 2013-12-05 | A production process of an explosion-proof anticorrosion motor end bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310655722.6A CN104690223A (en) | 2013-12-05 | 2013-12-05 | A production process of an explosion-proof anticorrosion motor end bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104690223A true CN104690223A (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310655722.6A Pending CN104690223A (en) | 2013-12-05 | 2013-12-05 | A production process of an explosion-proof anticorrosion motor end bracket |
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| Country | Link |
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| CN (1) | CN104690223A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048738A (en) * | 2015-08-07 | 2015-11-11 | 重庆铸豪机械有限责任公司 | Automobile starter motor end cover production system capable of substantially reducing production cost |
| CN105903900A (en) * | 2016-06-28 | 2016-08-31 | 无锡新大力电机有限公司 | Machining process of explosion-proof motor end cover |
| CN107017737A (en) * | 2017-04-10 | 2017-08-04 | 六安强力电机有限公司 | The high efficiency Flame-Proof Three-Phase Induction Motors surface quality of continuous castings method of inspection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400033A (en) * | 2011-12-08 | 2012-04-04 | 山东省源通机械股份有限公司 | Alloy cast iron material for producing explosion-proof motor casting |
| CN103036345A (en) * | 2012-12-14 | 2013-04-10 | 山东省源通机械股份有限公司 | Explosion-proof electrical motor shell |
-
2013
- 2013-12-05 CN CN201310655722.6A patent/CN104690223A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400033A (en) * | 2011-12-08 | 2012-04-04 | 山东省源通机械股份有限公司 | Alloy cast iron material for producing explosion-proof motor casting |
| CN103036345A (en) * | 2012-12-14 | 2013-04-10 | 山东省源通机械股份有限公司 | Explosion-proof electrical motor shell |
Non-Patent Citations (3)
| Title |
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| 冯庚寅: "应用呋喃树脂砂试制Y450电机机壳", 《中国机械工程学会铸造机械委员会第八届"两小"学术会议论文集》 * |
| 吴兵等: "AC7A铝镁合金端盖的铸造工艺", 《特种铸造及有色合金》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048738A (en) * | 2015-08-07 | 2015-11-11 | 重庆铸豪机械有限责任公司 | Automobile starter motor end cover production system capable of substantially reducing production cost |
| CN105903900A (en) * | 2016-06-28 | 2016-08-31 | 无锡新大力电机有限公司 | Machining process of explosion-proof motor end cover |
| CN107017737A (en) * | 2017-04-10 | 2017-08-04 | 六安强力电机有限公司 | The high efficiency Flame-Proof Three-Phase Induction Motors surface quality of continuous castings method of inspection |
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Application publication date: 20150610 |