CN105618711A - Casting technology of water-cooled motor shell, provided with nine turns of spiral waterways, for new energy automobile - Google Patents
Casting technology of water-cooled motor shell, provided with nine turns of spiral waterways, for new energy automobile Download PDFInfo
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- CN105618711A CN105618711A CN201610181359.2A CN201610181359A CN105618711A CN 105618711 A CN105618711 A CN 105618711A CN 201610181359 A CN201610181359 A CN 201610181359A CN 105618711 A CN105618711 A CN 105618711A
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- Prior art keywords
- water
- cooling motor
- spiral channel
- circle spiral
- motor cabinet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Abstract
The invention relates to a casting technology of a water-cooled motor shell, provided with nine turns of spiral waterways, for a new energy automobile, and belongs to the field of motor shell manufacturing. Nine turns of spiral waterway cores are manufactured by adopting a hot box precoated sand coremaking method, 17 positioning core prints are arranged on the nine turns of spiral waterway cores, the 17 positioning core prints and the nine turns of spiral waterway cores are integrally formed, and the nine turns of spiral waterway cores are fixed in a water-cooled motor shell die through the matching of the 17 positioning core prints and positioning holes in the water-cooled motor shell die so as to pour molten aluminum smelted in a gas stove under low pressure in the water-cooled motor shell die by a low-pressure casting process to obtain a water-cooled motor shell casting blank. The casting technology has the advantages that the production process is simple, time and labor are saved, the production efficiency is high, the manufacturing cost is low, the radiating performance is high, the comprehensive performance of the product is stable, and the requirement of the water-cooled driving motor for the new energy automobile can be well met.
Description
Technical field
The present invention relates to the casting technique of a kind of nine circle spiral channel new-energy automobile water-cooling motor cabinets, belong to motor casing and manufacture field.
Background technology
At present, the production field of new-energy automobile water cooling motor housing, main processing method has two kinds, a kind of is inner casing and the method for shell two body welding, this processing method needs to cast respectively inner casing and shell, then distinguishes mechanical workout, processes spiral channel on inner casing, and then integral solder, time-consuming, inefficiency, cost height, and quality is unstable, it is easy to occur that weld seam leaks. Another kind is the method burying copper pipe or the embedding casting of stainless steel tube in advance in motor casing inside, the drawback of this technique is that water channel is different from body material, thermal conductivity and the coefficient of expansion are all different, and one after embedding casting, cannot be formed, cause the heat dispersion of water-cooled machine shell poor, particularly the water channel number of turns more than 8, water channel total length more than 1.5 meters time cooling performance sharply decline, the requirement of new-energy automobile water-cooled motor cannot be met.
Summary of the invention
According to above deficiency of the prior art, the problem to be solved in the present invention is: provide a kind of perfect heat-dissipating, it is to increase the casting technique of the casting accuracy of motor case, the nine circle spiral channel new-energy automobile water-cooling motor cabinets improved product quality and production efficiency.
The technical solution adopted for the present invention to solve the technical problems is:
The casting technique of nine described circle spiral channel new-energy automobile water-cooling motor cabinets, it is characterised in that comprise the following steps:
The first step, adopt heated core box precoated sand coremaking to make nine circle spiral channel cores, wherein, nine circle spiral channel cores arrange 17 locating core heads, 17 locating core heads and nine circle spiral channel core integral productions are shaping, and 17 locating core heads match with the pilot hole on water-cooling motor cabinet mould;
2nd step, is coated with refractory materials in the nine outer type cores with water-cooling motor cabinet mould of circle spiral channel cores, is fixed in water-cooling motor cabinet mould by the cooperation of pilot hole on 17 locating core heads and water-cooling motor cabinet mould by nine circle spiral channel cores;
3rd step, carries out low-pressure casting by the aluminium liquid of gas furnace melting in mould by low-pressure casting process and obtains water-cooling motor cabinet foundry goods blank;
4th step, carries out fixation rates to water-cooling motor cabinet foundry goods blank, after fixation rates completes, casting technique hole required in water-cooling motor cabinet foundry goods making processes is carried out welded seal;
5th step, to clearing up outside water-cooling motor cabinet, precision optical machinery processing and inspection obtain integral type water-cooling motor cabinet finished product.
The casting technique of nine described circle spiral channel new-energy automobile water-cooling motor cabinets is by being heating and curing precoated sand, make nine circle spiral channel cores, and 17 locating core heads are set on nine circle spiral channel cores, 17 locating core heads and nine circle spiral channel core integral productions are shaping, formed nine circle spiral channel cores are fixed in motor casing integrated mould by pilot hole on 17 locating core heads and water-cooling motor cabinet mould, integral type water-cooling motor cabinet is obtained by the aluminium liquid low-pressure casting to mould of fusing, this technique is time saving and energy saving, make efficiency height, cost is low, constant product quality is good, perfect heat-dissipating, casting accuracy height.
Preferred further, precoated sand core-making method adopts 50-100 order heat-reactive phenolic resin precoated sand, gas forming amount��12ml/g, normal temperature bending strength >=6MPa, hot bending strength >=6MPa, and sand adopts high-temperature roasting sand. Heat-reactive phenolic resin has very strong wetting capacity, and processability is good, and volume density is big, and void content is low, adopts high-temperature roasting sand can increase substantially the intensity of precoated sand.
Preferred further, nine enclose the method loosed core in the middle of employing three-part pattern when spiral channel cores make, and 17 locating core heads design 3,9,3,1 and 1 respectively on 0 ��, 90 ��, 180 ��, 225 �� of nine circle spiral channel cores and 315 �� of directions.
Preferred further, aluminium liquid adopts the molten aluminium stove fusing of Sweet natural gas to obtain, and material is A356. The castabilitys such as the aluminium liquid of A356 has good fluidity, and without hot cracking tendency, linear shrinkage is little, and resistance to air loss is good, and proportion is little, solidity to corrosion is good, easy gas welding.
Preferred further, fixation rates adopts T6 treatment process, and solid solution soaking time is 8-10 hour, and timeliness soaking time is 5-7 hour. Improving water-cooling motor cabinet hardness and intensity, solid solubility temperature is 530-540 degree, and under high temperature, precoated sand is defeated and dispersed, is got rid of by the hole that shakes out on housing, and precoated sand forms spiral channel after discharging between inner casing and shell.
Preferred further, welding adopts argon arc welding to be welded in casting technique hole.
Preferred further, refractory materials adopts alcohol radical graphite paint. Alcohol radical graphite paint good stability, has excellent thixotropy and levelling property, and gas forming amount is little, has excellent anti-burnon, it is possible to ensure that cast(ing) surface is bright and clean.
The useful effect that the present invention has is:
The casting accuracy height of nine circle spiral channel new-energy automobile water-cooling motor cabinets of the present invention, good product quality, production efficiency height, cost of manufacture is low, and the motor case that this technique is produced all adopts aluminium liquid integrally casting shaping, perfect heat-dissipating, motor casing inner wall smooth is smooth, outward appearance is beautiful, there will not be weld seam seepy question, it is possible to well meet the requirement of new-energy automobile water cooling driving motor.
Embodiment
Below embodiments of the invention are described further:
Embodiment 1:
An energy automobile integral type water-cooling motor cabinet of 200KW, design 9 circle spiral channels, for public transport industry after its assembling, it is desired to motor casing has good quick heat radiating, intensity to, the over-all properties such as good toughness, weight is light to guarantee safety, efficiently. Adopted main technique be:
The first step, adopt heated core box precoated sand coremaking to make nine circle spiral channel cores, wherein, nine circle spiral channel cores arrange 17 locating core heads, 17 locating core heads and nine circle spiral channel core integral productions are shaping, and 17 locating core heads match with the pilot hole on water-cooling motor cabinet mould; Precoated sand core-making method adopts 50-100 order heat-reactive phenolic resin precoated sand, gas forming amount 11ml/g, normal temperature bending strength 7MPa, hot bending strength 6MPa; Sand adopts high-temperature roasting sand. Nine enclose the method loosed core in the middle of employing three-part pattern when spiral channel cores make, and 17 locating core heads design 3,9,3,1 and 1 respectively on 0 ��, 90 ��, 180 ��, 225 �� of nine circle spiral channel cores and 315 �� of directions.
2nd step, is coated with refractory materials in the nine outer type cores with water-cooling motor cabinet mould of circle spiral channel cores, is fixed in water-cooling motor cabinet mould by the cooperation of pilot hole on 17 locating core heads and water-cooling motor cabinet mould by nine circle spiral channel cores;
3rd step, carries out low-pressure casting by the aluminium liquid of gas furnace melting in mould by low-pressure casting process and obtains water-cooling motor cabinet foundry goods blank;
4th step, carries out fixation rates to water-cooling motor cabinet foundry goods blank, after fixation rates completes, casting technique hole required in water-cooling motor cabinet foundry goods making processes is carried out welded seal;
5th step, to clearing up outside water-cooling motor cabinet, precision optical machinery processing and inspection obtain integral type water-cooling motor cabinet finished product.
Described motor casing material adopts ZL102 aluminium alloy, fixation rates adopts T6 treatment process, and solid solution soaking time is 8-10 hour, and timeliness soaking time is 5-7 hour, welding adopts argon arc welding to be welded in casting technique hole, and refractory materials adopts alcohol radical graphite paint.
After adopting this kind of technique, motor casing yield rate controls more than 90%, motor casing water channel inner wall smooth is smooth, through the air-leakage test of 0.5MPa, 10 minutes, leak rate is less than 5%, motor casing perfect heat-dissipating, yield rate height, outward appearance are beautiful, over-all properties is stablized, and meet the requirement of new-energy automobile drive-motor.
Embodiment 2:
The energy automobile integral type water-cooling motor cabinet of a kind of 100KW, design 9 circle spiral channel, motor casing diameter 300, length 350, water channel cross section is of a size of wide 22mm thickness 8mm, it is desired to motor casing has good quick heat radiating, intensity to, the over-all properties such as good toughness, weight is light to guarantee safety, efficiently. Adopted main technique be:
The first step, adopt heated core box precoated sand coremaking to make nine circle spiral channel cores, wherein, nine circle spiral channel cores arrange 17 locating core heads, 17 locating core heads and nine circle spiral channel core integral productions are shaping, and 17 locating core heads match with the pilot hole on water-cooling motor cabinet mould; Precoated sand core-making method adopts 50-100 order heat-reactive phenolic resin precoated sand, gas forming amount 9ml/g, normal temperature bending strength 6MPa, hot bending strength 6MPa; Sand adopts high-temperature roasting sand. Nine enclose the method loosed core in the middle of employing three-part pattern when spiral channel cores make, and 17 locating core heads design 3,9,3,1 and 1 respectively on 0 ��, 90 ��, 180 ��, 225 �� of nine circle spiral channel cores and 315 �� of directions.
2nd step, is coated with refractory materials in the nine outer type cores with water-cooling motor cabinet mould of circle spiral channel cores, is fixed in water-cooling motor cabinet mould by the cooperation of pilot hole on 17 locating core heads and water-cooling motor cabinet mould by nine circle spiral channel cores;
3rd step, carries out low-pressure casting by the aluminium liquid of gas furnace melting in mould by low-pressure casting process and obtains water-cooling motor cabinet foundry goods blank;
4th step, carries out fixation rates to water-cooling motor cabinet foundry goods blank, after fixation rates completes, casting technique hole required in water-cooling motor cabinet foundry goods making processes is carried out welded seal;
5th step, to clearing up outside water-cooling motor cabinet, precision optical machinery processing and inspection obtain integral type water-cooling motor cabinet finished product.
Described motor casing material adopts A356 aluminium alloy, fixation rates adopts T6 treatment process, and solid solution soaking time is 8-10 hour, and timeliness soaking time is 5-7 hour, welding adopts argon arc welding to be welded in casting technique hole, and refractory materials adopts alcohol radical graphite paint.
After adopting this kind of technique, motor casing yield rate controls more than 92%, motor casing water channel inner wall smooth is smooth, through the air-leakage test of 0.5MPa, 10 minutes, leak rate is less than 3%, motor casing perfect heat-dissipating, yield rate height, outward appearance are beautiful, over-all properties is stablized, and meet the requirement of new-energy automobile drive-motor.
Embodiment 3:
The energy automobile integral type water-cooling motor cabinet of a kind of 150KW, design 9 circle spiral channel, water channel cross section is of a size of wide 20mm thickness 10mm, for the pure electric coach of the highest speed per hour >=80KM/H after its assembling, it is desired to motor casing has good quick heat radiating, intensity to, the over-all properties such as good toughness, weight is light to guarantee safety, efficient. Adopted main technique be:
The first step, adopt heated core box precoated sand coremaking to make nine circle spiral channel cores, wherein, nine circle spiral channel cores arrange 17 locating core heads, 17 locating core heads and nine circle spiral channel core integral productions are shaping, and 17 locating core heads match with the pilot hole on water-cooling motor cabinet mould; Precoated sand core-making method adopts 50-100 order heat-reactive phenolic resin precoated sand, gas forming amount 10ml/g, normal temperature bending strength 6MPa, hot bending strength 6MPa; Sand adopts high-temperature roasting sand. Nine enclose the method loosed core in the middle of employing three-part pattern when spiral channel cores make, and 17 locating core heads design 3,9,3,1 and 1 respectively on 0 ��, 90 ��, 180 ��, 225 �� of nine circle spiral channel cores and 315 �� of directions.
2nd step, is coated with refractory materials in the nine outer type cores with water-cooling motor cabinet mould of circle spiral channel cores, is fixed in water-cooling motor cabinet mould by the cooperation of pilot hole on 17 locating core heads and water-cooling motor cabinet mould by nine circle spiral channel cores;
3rd step, carries out low-pressure casting by the aluminium liquid of gas furnace melting in mould by low-pressure casting process and obtains water-cooling motor cabinet foundry goods blank;
4th step, carries out fixation rates to water-cooling motor cabinet foundry goods blank, after fixation rates completes, casting technique hole required in water-cooling motor cabinet foundry goods making processes is carried out welded seal;
5th step, to clearing up outside water-cooling motor cabinet, precision optical machinery processing and inspection obtain integral type water-cooling motor cabinet finished product.
Described motor casing material adopts ZL104 aluminium alloy, fixation rates adopts T6 treatment process, and solid solution soaking time is 8-10 hour, and timeliness soaking time is 5-7 hour, welding adopts argon arc welding to be welded in casting technique hole, and refractory materials adopts alcohol radical graphite paint.
After adopting this kind of technique, motor casing yield rate controls more than 90%, motor casing water channel inner wall smooth is smooth, through the air-leakage test of 0.5MPa, 10 minutes, leak rate is less than 6%, motor casing perfect heat-dissipating, yield rate height, outward appearance are beautiful, over-all properties is stablized, and meet the requirement of new-energy automobile drive-motor.
Claims (7)
1. the casting technique of a circle spiral channel new-energy automobile water-cooling motor cabinet, it is characterised in that comprise the following steps:
The first step, adopt heated core box precoated sand coremaking to make nine circle spiral channel cores, wherein, nine circle spiral channel cores arrange 17 locating core heads, 17 locating core heads and nine circle spiral channel core integral productions are shaping, and 17 locating core heads match with the pilot hole on water-cooling motor cabinet mould;
2nd step, is coated with refractory materials in the nine outer type cores with water-cooling motor cabinet mould of circle spiral channel cores, is fixed in water-cooling motor cabinet mould by the cooperation of pilot hole on 17 locating core heads and water-cooling motor cabinet mould by nine circle spiral channel cores;
3rd step, carries out low-pressure casting by the aluminium liquid of gas furnace melting in mould by low-pressure casting process and obtains water-cooling motor cabinet foundry goods blank;
4th step, carries out fixation rates to water-cooling motor cabinet foundry goods blank, after fixation rates completes, casting technique hole required in water-cooling motor cabinet foundry goods making processes is carried out welded seal;
5th step, to clearing up outside water-cooling motor cabinet, precision optical machinery processing and inspection obtain integral type water-cooling motor cabinet finished product.
2. the casting technique of nine circle spiral channel new-energy automobile water-cooling motor cabinets according to claim 1, it is characterized in that: described precoated sand core-making method adopts 50-100 order heat-reactive phenolic resin precoated sand, gas forming amount��12ml/g, normal temperature bending strength >=6MPa, hot bending strength >=6MPa, sand adopts high-temperature roasting sand.
3. the casting technique of nine circle spiral channel new-energy automobile water-cooling motor cabinets according to claim 1, it is characterized in that: described nine enclose when spiral channel cores make and adopt the method loosed core in the middle of three-part pattern, 17 locating core heads design 3,9,3,1 and 1 respectively on 0 ��, 90 ��, 180 ��, 225 �� of nine circle spiral channel cores and 315 �� of directions.
4. the casting technique of nine circle spiral channel new-energy automobile water-cooling motor cabinets according to claim 1, it is characterised in that: described aluminium liquid adopts the molten aluminium stove fusing of Sweet natural gas to obtain, and material is A356.
5. the casting technique of nine circle spiral channel new-energy automobile water-cooling motor cabinets according to claim 1, it is characterised in that: described fixation rates adopts T6 treatment process, and solid solution soaking time is 8-10 hour, and timeliness soaking time is 5-7 hour.
6. the casting technique of nine circle spiral channel new-energy automobile water-cooling motor cabinets according to claim 1, it is characterised in that: described welding adopts argon arc welding to be welded in casting technique hole.
7. the casting technique of nine circle spiral channel new-energy automobile water-cooling motor cabinets according to claim 1, it is characterised in that: described refractory materials adopts alcohol radical graphite paint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181359.2A CN105618711A (en) | 2016-03-26 | 2016-03-26 | Casting technology of water-cooled motor shell, provided with nine turns of spiral waterways, for new energy automobile |
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| CN201610181359.2A CN105618711A (en) | 2016-03-26 | 2016-03-26 | Casting technology of water-cooled motor shell, provided with nine turns of spiral waterways, for new energy automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392014A (en) * | 2016-09-27 | 2017-02-15 | 惠州市威盛工业有限公司 | Manufacturing process and structure for sand core mold of spiral water channel of new energy water-cooled motor enclosure |
| CN109622885A (en) * | 2019-01-18 | 2019-04-16 | 山东鸿源新材料有限公司 | The production technology of aluminium alloy condenser boiler piece |
| CN109773160A (en) * | 2019-03-29 | 2019-05-21 | 山东鸿源新材料有限公司 | The low-pressure casting process of aluminum alloy impeller |
| CN110180998A (en) * | 2019-06-24 | 2019-08-30 | 山东鸿源新材料有限公司 | The production technology of aluminium alloy air inlet pipe |
| CN112296311A (en) * | 2020-10-30 | 2021-02-02 | 山东鸿源新材料有限公司 | Manufacturing process of rare earth aluminum alloy motor shell |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07111759A (en) * | 1993-10-08 | 1995-04-25 | Showa Alum Corp | Water-cooled motor housing |
| US20090009013A1 (en) * | 2007-07-03 | 2009-01-08 | Caterpillar Inc. | Cast groove electric motor/generator cooling mechanism |
| CN203774941U (en) * | 2014-01-21 | 2014-08-13 | 浙江拓卡斯机械科技有限公司 | Integrated water-cooled motor casing of electric vehicle |
| CN103990776A (en) * | 2014-06-17 | 2014-08-20 | 浙江正康科技有限公司 | Casting process method of integrated water cooling circulation motor casing |
| CN104999051A (en) * | 2015-07-23 | 2015-10-28 | 惠州市威盛工业有限公司 | Low-pressure casting method for automobile motor casing and motor casing structure |
| CN204770594U (en) * | 2015-07-23 | 2015-11-18 | 惠州市威盛工业有限公司 | Motor casing low pressure casting is with spiral water channel psammitolite of taking protective layer |
| CN204886505U (en) * | 2015-07-23 | 2015-12-16 | 惠州市威盛工业有限公司 | Low pressure casting motor casing with spiral water channel structure |
| CN105305704A (en) * | 2015-11-26 | 2016-02-03 | 江苏亿林利达科技有限公司 | Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof |
-
2016
- 2016-03-26 CN CN201610181359.2A patent/CN105618711A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07111759A (en) * | 1993-10-08 | 1995-04-25 | Showa Alum Corp | Water-cooled motor housing |
| US20090009013A1 (en) * | 2007-07-03 | 2009-01-08 | Caterpillar Inc. | Cast groove electric motor/generator cooling mechanism |
| CN203774941U (en) * | 2014-01-21 | 2014-08-13 | 浙江拓卡斯机械科技有限公司 | Integrated water-cooled motor casing of electric vehicle |
| CN103990776A (en) * | 2014-06-17 | 2014-08-20 | 浙江正康科技有限公司 | Casting process method of integrated water cooling circulation motor casing |
| CN104999051A (en) * | 2015-07-23 | 2015-10-28 | 惠州市威盛工业有限公司 | Low-pressure casting method for automobile motor casing and motor casing structure |
| CN204770594U (en) * | 2015-07-23 | 2015-11-18 | 惠州市威盛工业有限公司 | Motor casing low pressure casting is with spiral water channel psammitolite of taking protective layer |
| CN204886505U (en) * | 2015-07-23 | 2015-12-16 | 惠州市威盛工业有限公司 | Low pressure casting motor casing with spiral water channel structure |
| CN105305704A (en) * | 2015-11-26 | 2016-02-03 | 江苏亿林利达科技有限公司 | Electric vehicle integrated water-cooling motor shell and cooling water channel casting core thereof |
Non-Patent Citations (3)
| Title |
|---|
| 何人葵: "《工程材料与热处理》", 31 July 2015, 北京：冶金工业出版社 * |
| 全国铸造学会: "《覆膜砂及制芯技术》", 31 January 2008, 北京：机械工业出版社 * |
| 陆文龙: "《铸造工技师鉴定培训教材》", 30 September 2015, 机械工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392014A (en) * | 2016-09-27 | 2017-02-15 | 惠州市威盛工业有限公司 | Manufacturing process and structure for sand core mold of spiral water channel of new energy water-cooled motor enclosure |
| CN106392014B (en) * | 2016-09-27 | 2020-06-09 | 惠州市威盛工业有限公司 | Manufacturing process and structure of spiral water channel sand core mold of water-cooled motor shell of new energy automobile |
| CN109622885A (en) * | 2019-01-18 | 2019-04-16 | 山东鸿源新材料有限公司 | The production technology of aluminium alloy condenser boiler piece |
| CN109773160A (en) * | 2019-03-29 | 2019-05-21 | 山东鸿源新材料有限公司 | The low-pressure casting process of aluminum alloy impeller |
| CN110180998A (en) * | 2019-06-24 | 2019-08-30 | 山东鸿源新材料有限公司 | The production technology of aluminium alloy air inlet pipe |
| CN112296311A (en) * | 2020-10-30 | 2021-02-02 | 山东鸿源新材料有限公司 | Manufacturing process of rare earth aluminum alloy motor shell |
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Application publication date: 20160601 |