CN113437846B - Manufacturing method of new energy vehicle washing motor shell - Google Patents
Manufacturing method of new energy vehicle washing motor shell Download PDFInfo
- Publication number
- CN113437846B CN113437846B CN202110637592.8A CN202110637592A CN113437846B CN 113437846 B CN113437846 B CN 113437846B CN 202110637592 A CN202110637592 A CN 202110637592A CN 113437846 B CN113437846 B CN 113437846B
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- motor shell
- blank
- cleaning
- mould
- labeling
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000005406 washing Methods 0.000 title claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- 238000002372 labelling Methods 0.000 claims abstract description 29
- 238000005498 polishing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000011282 treatment Methods 0.000 claims description 35
- 239000003973 paint Substances 0.000 claims description 32
- 230000007306 turnover Effects 0.000 claims description 32
- 238000005266 casting Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 28
- 238000005507 spraying Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 23
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 238000010422 painting Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000007605 air drying Methods 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/26—Devices for applying labels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention provides a manufacturing method of a new energy vehicle washing motor shell, which belongs to the field of motor shells. The invention has simple process and easy operation, and increases the operation procedures of cleaning, polishing and labeling, so as to ensure more stable processing and manufacturing, improve the process stability, and also can carry out mass production, further ensure the manufacturing qualification and firmness of the motor shell, and can be used in different environments, thus being applicable to various industries of car washing, leading the motor shell to have longer application life and more stable operation.
Description
Technical Field
The invention belongs to the technical field of motor shells, and particularly relates to a manufacturing method of a new energy vehicle washing motor shell.
Background
The new energy source is to use unconventional fuel as a power source.
In the prior art, the motor is generally used in the car washing technology, so that the support of the motor shell cannot be separated.
However, the existing manufacturing method of the motor shell has the problems that the motor shell does not have a polishing and cleaning function after manufacturing, the casting process steps are complicated, and the motor shell does not have a labeling and storing function.
Therefore, the invention provides a manufacturing method of the new energy vehicle washing motor shell.
Disclosure of Invention
In order to solve the technical problems, the invention provides a manufacturing method of a new energy vehicle washing motor shell, wherein the manufacturing method of the new energy vehicle washing motor shell specifically comprises the following steps:
step one: preparing raw materials, namely preparing and processing a motor shell raw material, wherein the raw materials mainly comprise aluminum ingots and steel materials, placing the aluminum ingots in a smelting furnace after preparing the aluminum ingots, melting, stirring, adding the steel materials for hot melting, stirring and mixing again, adding a sodium-free slag remover, mixing and stirring to form aluminum alloy liquid, and preparing a follow-up casting process;
step two: the casting operation of the motor shell comprises the following steps:
the first step: the aluminum alloy liquid turnover operation, namely introducing the manufactured aluminum alloy liquid into a Zhou Zhuaibao or turnover box for turnover, and performing heat preservation and heating treatment on the turnover box or the turnover box, wherein heat preservation and heating can be performed through an electric heating wire or a heating plate, so that the aluminum alloy liquid is always in a liquid flowing state, and the casting operation is prepared;
and a second step of: preparing a motor shell casting mould, cleaning the inside and the outside of the mould, determining the casting size of the motor shell, selecting a proper mould, placing the mould on a processing table, stably fixing the mould, pouring turnover liquid in a turnover bag or a turnover box into the mould, and preparing for natural cooling casting operation;
and a third step of: separating the mould, taking out the motor shell, casting the blank, opening the mould, taking out the blank, checking the integrity of the blank, and then polishing again;
step three: the blank polishing and cleaning operation comprises the following steps of:
the first step: the blank cleaning operation, namely placing the blank on a processing table, performing surface cleaning operation through a hairbrush, removing burrs and redundant bulges, performing internal and external soaking cleaning through cleaning liquid, taking out again, performing air drying, checking the integrity of the blank, and performing subsequent processing operation;
and a second step of: the blank polishing operation is carried out, the blank is placed on a machine tool to polish, the surface of the blank is polished, after the turning polishing precision is determined, the blank is taken out, the inspection is carried out again, and after the integral integrity of the blank is determined, the subsequent processing operation flow can be carried out;
step four: the blank labeling and painting processing operation comprises the following steps of:
the first step: the method comprises the steps of (1) painting a blank, placing the blank on a processing table, performing paint spraying and rust preventing treatment operation on the surface of the blank through a paint spray gun, performing paint spraying and rust preventing treatment, drying, performing secondary paint spraying and rust preventing treatment, and performing processing and manufacturing after the two paint spraying treatments to prepare a motor shell;
and a second step of: the labeling and storing operation of the motor shell, namely cleaning the labeling position of the prepared motor shell, brushing glue, labeling the label, or directly riveting the label at the labeling position of the motor shell in a riveting mode to finish the labeling process;
step five: when the motor shell is stored, the motor shell is packaged by a packaging box and wrapped by a foam block, and is stored in a ventilated and dried environment, and when the motor shell is transported, the motor shell is subjected to container transportation or long-distance transportation operation in a mechanical transportation mode;
step six: the motor shell is used and maintained, and when the motor shell is used, the motor shell is applied to the dry ventilation environment, the motor shell is applied to the car washing field, the motor shell is subjected to waterproof and lifting installation treatment, an overload protector and an overcurrent protector device are installed, and oiling and painting rust prevention treatment is carried out regularly during maintenance.
Preferably, in the first step, the steel material is stainless steel material.
Preferably, in the second step, the temperature of the insulation heating treatment in the first step is set to be 100-150 ℃, wherein the electric heating wire or the heating sheet adopts a resistance wire or a PTC heating sheet.
Preferably, in the second step, the natural cooling in the second step adopts an air cooling or water cooling mode.
Preferably, in the third step, the cleaning solution in the first step is pure cold water or oil, wherein the soaking cleaning time is set to be 50-60 minutes.
Preferably, in the fourth step, the paint spraying rust-proof treatment in the first step adopts rust-proof resin glue paint.
Preferably, in the fourth step, the paint spraying antirust treatment in the first step is performed in a back-and-forth spraying manner according to each paint spraying mode, and the time of each paint spraying is not more than 10 minutes.
Preferably, in the fifth step, a groove matched with the motor casing is formed inside the foam block.
Compared with the prior art, the invention has the following beneficial effects: the manufacturing method of the new energy automobile washing motor shell is widely applied to the technical field of motor shells. The invention has simple process and easy operation, and increases the operation procedures of cleaning, polishing and labeling, so as to ensure more stable processing and manufacturing, improve the process stability, and also can carry out mass production, further ensure the manufacturing qualification and firmness of the motor shell, and can be used in different environments, thus being applicable to various industries of car washing, leading the motor shell to have longer application life and more stable operation.
Drawings
FIG. 1 is a flow chart of a manufacturing method of a new energy vehicle washing motor shell.
Fig. 2 is a flow chart of a motor casing casting operation.
FIG. 3 is a flowchart of a blank grinding and cleaning operation.
Fig. 4 is a flowchart of the blank labeling and painting operation.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
in the figure:
as shown in figure 1
The manufacturing method of the new energy automobile washing motor shell specifically comprises the following steps:
s101: preparing raw materials, namely preparing and processing a motor shell raw material, wherein the raw materials mainly comprise aluminum ingots and steel materials, placing the aluminum ingots in a smelting furnace after preparing the aluminum ingots, melting, stirring, adding the steel materials for hot melting, stirring and mixing again, adding a sodium-free slag remover, mixing and stirring to form aluminum alloy liquid, and preparing a follow-up casting process;
s102: the casting operation of the motor casing, combined with the illustration of fig. 2, comprises the following steps:
s201: the aluminum alloy liquid turnover operation, namely introducing the manufactured aluminum alloy liquid into a Zhou Zhuaibao or turnover box for turnover, and performing heat preservation and heating treatment on the turnover box or the turnover box, wherein heat preservation and heating can be performed through an electric heating wire or a heating plate, so that the aluminum alloy liquid is always in a liquid flowing state, and the casting operation is prepared;
s202: preparing a motor shell casting mould, cleaning the inside and the outside of the mould, determining the casting size of the motor shell, selecting a proper mould, placing the mould on a processing table, stably fixing the mould, pouring turnover liquid in a turnover bag or a turnover box into the mould, and preparing for natural cooling casting operation;
s203: separating the mould, taking out the motor shell, casting the blank, opening the mould, taking out the blank, checking the integrity of the blank, and then polishing again;
s103: the blank polishing and cleaning operation, combined with the figure 3, specifically comprises the following steps:
s301: the blank cleaning operation, namely placing the blank on a processing table, performing surface cleaning operation through a hairbrush, removing burrs and redundant bulges, performing internal and external soaking cleaning through cleaning liquid, taking out again, performing air drying, checking the integrity of the blank, and performing subsequent processing operation;
s302: the blank polishing operation is carried out, the blank is placed on a machine tool to polish, the surface of the blank is polished, after the turning polishing precision is determined, the blank is taken out, the inspection is carried out again, and after the integral integrity of the blank is determined, the subsequent processing operation flow can be carried out;
s104: the blank labeling and painting processing operation is combined with the following steps, as shown in fig. 4:
s401: the method comprises the steps of (1) painting a blank, placing the blank on a processing table, performing paint spraying and rust preventing treatment operation on the surface of the blank through a paint spray gun, performing paint spraying and rust preventing treatment, drying, performing secondary paint spraying and rust preventing treatment, and performing processing and manufacturing after the two paint spraying treatments to prepare a motor shell;
s402: the labeling and storing operation of the motor shell, namely cleaning the labeling position of the prepared motor shell, brushing glue, labeling the label, or directly riveting the label at the labeling position of the motor shell in a riveting mode to finish the labeling process;
s105: when the motor shell is stored, the motor shell is packaged by a packaging box and wrapped by a foam block, and is stored in a ventilated and dried environment, and when the motor shell is transported, the motor shell is subjected to container transportation or long-distance transportation operation in a mechanical transportation mode;
s106: the motor shell is used and maintained, and when the motor shell is used, the motor shell is applied to the dry ventilation environment, the motor shell is applied to the car washing field, the motor shell is subjected to waterproof and lifting installation treatment, an overload protector and an overcurrent protector device are installed, and oiling and painting rust prevention treatment is carried out regularly during maintenance.
Preferably, in S101, the steel material is stainless steel material.
Preferably, in S102, the temperature of the insulation heating treatment in S201 is set to be 100-150 ℃, where the heating wire or the heating sheet is a resistance wire or a PTC heating sheet.
Preferably, in S102, the natural cooling in S202 adopts an air cooling or water cooling mode.
Preferably, in S103, the cleaning solution in S301 is pure cold water or oil, where the soaking cleaning time is set to 50-60 minutes.
Preferably, in S104, the paint spraying rust-proof treatment in S401 is a rust-proof resin glue paint.
Preferably, in S104, the paint spraying rust-preventing treatment in S401 is performed in a back-and-forth spraying manner for each paint spraying, and the time of each paint spraying is not more than 10 minutes.
Preferably, in S105, a groove adapted to the motor housing is provided inside the foam block.
Examples of the embodiments
1. Preparing raw materials, namely preparing and processing a motor shell raw material, wherein the raw materials mainly comprise aluminum ingots and steel materials, placing the aluminum ingots in a smelting furnace after preparing the aluminum ingots, melting, stirring, adding the steel materials for hot melting, stirring and mixing again, adding a sodium-free slag remover, mixing and stirring to form aluminum alloy liquid, and preparing a follow-up casting process;
2. the casting operation of the motor shell comprises the following steps:
the first step: the aluminum alloy liquid turnover operation, namely introducing the manufactured aluminum alloy liquid into a Zhou Zhuaibao or turnover box for turnover, and performing heat preservation and heating treatment on the turnover box or the turnover box, wherein heat preservation and heating can be performed through an electric heating wire or a heating plate, so that the aluminum alloy liquid is always in a liquid flowing state, and the casting operation is prepared;
and a second step of: preparing a motor shell casting mould, cleaning the inside and the outside of the mould, determining the casting size of the motor shell, selecting a proper mould, placing the mould on a processing table, stably fixing the mould, pouring turnover liquid in a turnover bag or a turnover box into the mould, and preparing for natural cooling casting operation;
and a third step of: separating the mould, taking out the motor shell, casting the blank, opening the mould, taking out the blank, checking the integrity of the blank, and then polishing again;
3. the blank polishing and cleaning operation comprises the following steps of:
the first step: the blank cleaning operation, namely placing the blank on a processing table, performing surface cleaning operation through a hairbrush, removing burrs and redundant bulges, performing internal and external soaking cleaning through cleaning liquid, taking out again, performing air drying, checking the integrity of the blank, and performing subsequent processing operation;
and a second step of: the blank polishing operation is carried out, the blank is placed on a machine tool to polish, the surface of the blank is polished, after the turning polishing precision is determined, the blank is taken out, the inspection is carried out again, and after the integral integrity of the blank is determined, the subsequent processing operation flow can be carried out;
4. the blank labeling and painting processing operation comprises the following steps of:
the first step: the method comprises the steps of (1) painting a blank, placing the blank on a processing table, performing paint spraying and rust preventing treatment operation on the surface of the blank through a paint spray gun, performing paint spraying and rust preventing treatment, drying, performing secondary paint spraying and rust preventing treatment, and performing processing and manufacturing after the two paint spraying treatments to prepare a motor shell;
and a second step of: the labeling and storing operation of the motor shell, namely cleaning the labeling position of the prepared motor shell, brushing glue, labeling the label, or directly riveting the label at the labeling position of the motor shell in a riveting mode to finish the labeling process;
5. when the motor shell is stored, the motor shell is packaged by a packaging box and wrapped by a foam block, and is stored in a ventilated and dried environment, and when the motor shell is transported, the motor shell is subjected to container transportation or long-distance transportation operation in a mechanical transportation mode;
6. the motor shell is used and maintained, and when the motor shell is used, the motor shell is applied to the dry ventilation environment, the motor shell is applied to the car washing field, the motor shell is subjected to waterproof and lifting installation treatment, an overload protector and an overcurrent protector device are installed, and oiling and painting rust prevention treatment is carried out regularly during maintenance.
By using the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the invention.
Claims (6)
1. The manufacturing method of the new energy vehicle washing motor shell is characterized by comprising the following steps of:
step one: preparing raw materials, namely preparing and processing a motor shell raw material, wherein the raw materials mainly comprise aluminum ingots and steel materials, placing the aluminum ingots in a smelting furnace after preparing the aluminum ingots, melting, stirring, adding the steel materials for hot melting, stirring and mixing again, adding a sodium-free slag remover, mixing and stirring to form aluminum alloy liquid, and preparing a follow-up casting process;
step two: casting operation of the motor shell;
in the second step, the casting operation of the motor casing specifically comprises the following steps:
the first step: the aluminum alloy liquid turnover operation, namely introducing the manufactured aluminum alloy liquid into a Zhou Zhuaibao or turnover box for turnover, and performing heat preservation and heating treatment on the turnover box or the turnover box, wherein heat preservation and heating can be performed through an electric heating wire or a heating plate, so that the aluminum alloy liquid is always in a liquid flowing state, and the casting operation is prepared;
and a second step of: preparing a motor shell casting mould, cleaning the inside and the outside of the mould, determining the casting size of the motor shell, selecting a proper mould, placing the mould on a processing table, stably fixing the mould, pouring turnover liquid in a turnover bag or a turnover box into the mould, and preparing for natural cooling casting operation;
and a third step of: separating the mould, taking out the motor shell, casting the blank, opening the mould, taking out the blank, checking the integrity of the blank, and then polishing again;
step three: polishing and cleaning the blank;
in the third step, the blank polishing and cleaning operation comprises the following steps:
the first step: the blank cleaning operation, namely placing the blank on a processing table, performing surface cleaning operation through a hairbrush, removing burrs and redundant bulges, performing internal and external soaking cleaning through cleaning liquid, taking out again, performing air drying, checking the integrity of the blank, and performing subsequent processing operation;
and a second step of: the blank polishing operation is carried out, the blank is placed on a machine tool to polish, the surface of the blank is polished, after the turning polishing precision is determined, the blank is taken out, the inspection is carried out again, and after the integral integrity of the blank is determined, the subsequent processing operation flow can be carried out;
step four: labeling and painting the blank;
in the fourth step, the blank labeling and painting processing operation specifically comprises the following steps:
the first step: the method comprises the steps of (1) painting a blank, placing the blank on a processing table, performing paint spraying and rust preventing treatment operation on the surface of the blank through a paint spray gun, performing paint spraying and rust preventing treatment, drying, performing secondary paint spraying and rust preventing treatment, and performing processing and manufacturing after the two paint spraying treatments to prepare a motor shell;
and a second step of: the labeling and storing operation of the motor shell, namely cleaning the labeling position of the prepared motor shell, brushing glue, labeling the label, or directly riveting the label at the labeling position of the motor shell in a riveting mode to finish the labeling process;
step five: when the motor shell is stored, the motor shell is packaged by a packaging box and wrapped by a foam block, and is stored in a ventilated and dried environment, and when the motor shell is transported, the motor shell is subjected to container transportation or long-distance transportation operation in a mechanical transportation mode;
step six: the motor shell is used and maintained, and when the motor shell is used, the motor shell is applied to the dry ventilation environment, the motor shell is applied to the car washing field, the motor shell is subjected to waterproof and lifting installation treatment, an overload protector and an overcurrent protector device are installed, and oiling and painting rust prevention treatment is carried out regularly during maintenance.
2. The method of manufacturing a new energy vehicle washing motor casing as claimed in claim 1, wherein in the first step, the steel material is stainless steel material.
3. The method of claim 1, wherein in the second step, the temperature of the heat-preserving heating process in the first step is set to be 100-150 ℃, and the heating wire or the heating sheet is a resistance wire or a PTC heating sheet.
4. The method of claim 1, wherein in the second step, the natural cooling is performed by air cooling or water cooling.
5. The method of claim 1, wherein in the third step, the cleaning solution in the first step is pure cold water or oil, and the soaking and cleaning time is set to be 50-60 minutes.
6. The method for manufacturing a new energy vehicle washing motor shell according to claim 1, wherein in the fourth step, the paint spraying and rust preventing treatment in the first step adopts rust preventing resin glue paint.
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| CN202110637592.8A CN113437846B (en) | 2021-06-08 | 2021-06-08 | Manufacturing method of new energy vehicle washing motor shell |
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|---|---|---|---|
| CN202110637592.8A CN113437846B (en) | 2021-06-08 | 2021-06-08 | Manufacturing method of new energy vehicle washing motor shell |
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| CN113437846B true CN113437846B (en) | 2023-12-05 |
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2021
- 2021-06-08 CN CN202110637592.8A patent/CN113437846B/en active Active
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| CN102029314A (en) * | 2010-12-31 | 2011-04-27 | 石家庄飞机工业有限责任公司 | Deep drawing process of austenitic stainless steel plate |
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| CN113437846A (en) | 2021-09-24 |
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