CN107649630A - Mobile phone battery cover processing method - Google Patents
Mobile phone battery cover processing method Download PDFInfo
- Publication number
- CN107649630A CN107649630A CN201711027095.6A CN201711027095A CN107649630A CN 107649630 A CN107649630 A CN 107649630A CN 201711027095 A CN201711027095 A CN 201711027095A CN 107649630 A CN107649630 A CN 107649630A
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- Prior art keywords
- middleware
- processing
- subjected
- mobile phone
- battery cover
- 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.)
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- 238000003672 processing method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 47
- 238000005242 forging Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000001125 extrusion Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 230000032683 aging Effects 0.000 claims description 15
- 238000007654 immersion Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000009966 trimming Methods 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000553 6063 aluminium alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention discloses a kind of mobile phone battery cover processing method, including step：1) base material to be processed is subjected to extrusion process, to obtain the first middleware, first middleware forms one and runs through its longitudinal forming tank；2) forging processing is carried out to first middleware in the position of forming tank described in face, to obtain second middleware with inner chamber, the forming tank of first middleware is shaped to the inner chamber of second middleware；3) second middleware is subjected to CNC processing, to obtain mobile phone battery cover finished product.Compared to existing full sheet material CNC processing, mobile phone battery cover processing method provided by the invention, the setting of clamping section is avoided, saves material；And after being processed by forging, the second middleware has an inner chamber, has been molded general shape possessed by mobile phone battery cover, so when CNC is processed, it is no longer necessary to opens slightly, saves process time.
Description
Technical field
The present invention relates to electronic equipment processing method technical field, more particularly to a kind of mobile phone battery cover processing method.
Background technology
With expanding economy, social progress, the consumption to material is also more and more, therefore the saving to material uses
Then seem more important.
Tradition is mainly carried out, i.e., first extrusion process when being processed to mobile phone battery cover using full sheet material CNC processing technologys
Then processed by CNC, base material to be processed is processed into during extrusion process the middleware among one with boss, the two of middleware
While being clamping section, the clamping section for then clamping middleware carries out CNC processing to middleware, finally needs to cut off clamping section, such as
This will waste more material, and when CNC is processed into mobile phone battery cover, it is necessary to be opened middleware slightly first to process one
General shape with inner chamber, process time are longer.
The content of the invention
Based on this, it is necessary to for mobile phone battery cover using full sheet material CNC process and cause waste of material and process time compared with
The problem of long, there is provided a kind of to save material and process time shorter mobile phone battery cover processing method.
A kind of mobile phone battery cover processing method, including step：
1) base material to be processed is subjected to extrusion process, to obtain the first middleware, first middleware forms always
Wear its longitudinal forming tank；
2) forging processing is carried out to first middleware in the position of forming tank described in face, to obtain one with inner chamber
Second middleware, the forming tank of first middleware are shaped to the inner chamber of second middleware；
3) second middleware is subjected to CNC processing, to obtain mobile phone battery cover finished product.
Mobile phone battery cover processing method provided by the invention, have by extrusion process shaping one and run through its longitudinal forming tank
The first middleware, then by forge processing by the first middleware be processed into one have inner chamber the second middleware, i.e., first
The forming tank of middleware is processed for the inner chamber of the second middleware, and such processing mode, which can directly process one, has inner chamber
Mobile phone battery cover semi-finished product, compared to existing full sheet material CNC processing, avoid and first process a clamping section, then holing clip
Tight portion simultaneously processes the inner chamber of mobile phone battery cover semi-finished product by CNC, finally cuts off clamping section, saves material；And pass through forging
After making processing, the second middleware has an inner chamber, has been molded general shape possessed by mobile phone battery cover, has so added in CNC
Man-hour, it is no longer necessary to open slightly to process an inner chamber, save process time.In one of the embodiments, described by institute
State before carrying out forging processing among first, in addition to step：
First middleware is subjected to punch process.
In one of the embodiments, between the step 2) and the step 3), in addition to step：
Second middleware is subjected to Ageing Treatment.
In one of the embodiments, the temperature of the Ageing Treatment is 175 ° -250 °, and the time of the Ageing Treatment is
6h-8h。
In one of the embodiments, before the progress Ageing Treatment by second middleware, in addition to step：
By the second middleware trimming.
In one of the embodiments, the step 2) specifically includes step：
First middleware is subjected to first time cleaning；
First middleware is subjected to first time immersion oil；
First middleware is subjected to forging processing for the first time, to obtain the 3rd middleware；
3rd middleware is carried out into second to clean；
3rd middleware is subjected to second of immersion oil；
3rd middleware is subjected to second of forging processing, to obtain second middleware.
In one of the embodiments, the 3rd middleware is being subjected to second of immersion oil and step by institute described in step
State the 3rd middleware and carry out second of forging processing, between obtaining second middleware, in addition to step：
3rd middleware is subjected to third time forging processing, to obtain the 4th middleware；
4th middleware is subjected to third time cleaning；
4th middleware is subjected to third time immersion oil；
4th middleware is subjected to the 4th forging, to obtain the 5th middleware；
5th middleware is subjected to the 4th cleaning；
5th middleware is subjected to the 4th immersion oil.
In one of the embodiments, the step 3) specifically includes step：
Second middleware is subjected to the processing of first time CNC, to process button bit；
The second middleware for processing the button bit is subjected to second of CNC processing, to process injection inner chamber；
The injection will be processed and carry out third time CNC processing with the second middleware of inner chamber, to process injection day
Wire casing；
The injection will be processed and carry out the 4th CNC processing with the second middleware of antenna slot, to process earpiece holes；
The second middleware for processing the earpiece holes is subjected to the 5th CNC processing, with refine profile；
The second middleware after profile described in refine is subjected to the 6th CNC processing, with refine inner chamber；
The second middleware behind inner chamber described in refine is subjected to the 7th CNC processing, with refine side opening；
The second middleware after side opening described in refine is subjected to the 8th CNC processing, to process shooting head bore position；
The second middleware for processing the shooting head bore position is subjected to the 9th CNC processing, to obtain mobile phone battery cover.
In one of the embodiments, carried out with the second middleware of antenna slot the injection will be processed described in step
4th CNC processing, to process earpiece holes, with the second middleware for processing the earpiece holes is carried out into the 5th described in step
Secondary CNC processing, between refine profile, in addition to step：
The second middleware for processing the earpiece holes is molded.
In one of the embodiments, the second middleware after side opening described in refine is being carried out the 8th time described in step
CNC is processed, to process shooting head bore position, with the second middleware for processing the shooting head bore position is carried out into the described in step
Nine CNC processing, between obtaining mobile phone battery cover, in addition to step：
The second middleware for processing the shooting head bore position is subjected to the tenth CNC processing, to carry out high light processing.
Brief description of the drawings
Fig. 1 is the flow chart for the mobile phone battery cover processing method that one embodiment of the invention provides；
Fig. 2 is the structure chart of the first middleware；
Fig. 3 is the structure chart of the second middleware；
Fig. 4 is the flow chart for the mobile phone battery cover processing method that another embodiment of the present invention provides.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Refering to Fig. 1-Fig. 3, one embodiment of the invention provides a kind of mobile phone battery cover processing method, including step：
S110：Base material to be processed is subjected to extrusion process, to obtain the first middleware 10, the first middleware 10 forms one
The forming tank 12 longitudinal through its；
Specifically, base material to be processed is put into melting furnace and carries out heating pressurization, so that base material to be processed is into molten state, then
The metal of molten state is set to enter in the storage tank of pressurizing unit, cooling is when being in semisolid, then by the semi-solid-state metal in storage tank
Squeeze into the corresponding mould of pressurizing unit, then cooled down, to obtain the first middleware 10.More specifically, base material to be processed
6063 aluminium alloys can be selected.
More specifically, the corresponding mould of pressurizing unit is the recessed shape in middle convex both sides, to mold a band forming tank 12
The first middleware 10.
S120：Forging processing is carried out to the first middleware 10 in the position of face forming tank 12, to obtain a band inner chamber 22
The second middleware 20, the forming tank 12 of the first middleware 10 is shaped to the inner chamber 22 of the second middleware 20；Specifically, by first
Middleware 10 is placed in forging press, and forging press applies pressure in the position of face forming tank 12 to the first middleware 10, makes
It produces plastic deformation, and the forming tank 12 of the first middleware 10 is shaped to the inner chamber 22 of the second middleware 20, so as to form second
Middleware 22, as mobile phone battery cover semi-finished product.
S130：Second middleware 20 is subjected to CNC processing, to obtain mobile phone battery cover finished product.
Specifically, the second middleware 20 is placed in CNC machine, mobile phone battery cover finished product is processed into by CNC.
Mobile phone battery cover processing method provided by the invention, have by extrusion process shaping one and run through its longitudinal forming tank
12 the first middleware 10, the first middleware 10 is then processed into second middleware with inner chamber 22 by forging processing
20, i.e. the forming tank 12 of the first middleware 10 is processed in order to which the inner chamber 22 of the second middleware 20, such processing mode can be straight
Connect and process the mobile phone battery cover semi-finished product with inner chamber 22, compared to existing full sheet material CNC processing, avoid and first process
One clamping section, then clamp clamping section and the inner chamber of mobile phone battery cover semi-finished product processed by CNC, finally cut off clamping section,
Save material；And after being processed by forging, the second middleware 20 has an inner chamber 22, has been molded mobile phone battery cover institute
The general shape having, so when CNC is processed, it is no longer necessary to open slightly to process an inner chamber, save process time.
Refering to Fig. 4, in another embodiment, among by first 10 carry out forging processing before, in addition to step：
S140：First middleware 10 is subjected to punch process.
Because the first middleware 10 is by extrusion forming, then the mould of pressurizing unit determines the first middleware 10
Length, now the first middleware 10 may include that the junior units of multiple mobile phone battery cover semi-finished product can be shaped to, then can be with
First middleware 10 is cut into corresponding multiple small lists by the size for the mobile phone battery cover semi-finished product being molded as needed by punching press
Member, then by carrying out forging processing to each junior unit, to form a mobile phone battery cover semi-finished product (i.e. the second middleware 20).
Further, between step S120 and step S130, in addition to step：
S150：Second middleware 20 is subjected to Ageing Treatment.
Specifically, the second middleware 20 is positioned in aging furnace, and aging furnace is set into certain temperature and placement one
The fixed time.
Specifically, the temperature of Ageing Treatment is 175 ° -250 °, and the time of Ageing Treatment is 6h-8h, more specifically, timeliness
The temperature of processing is 175 °, and the time of Ageing Treatment is 8h.
Further, before the second middleware 20 is carried out into Ageing Treatment, in addition to step：
S160：By the trimming of the second middleware 20.
Specifically, the second middleware 20 being positioned on punch press, punch press carries out trimming processing to the second middleware 20, so that
Second middleware 20 meets the needs of being processed further.
Further, step S120 specifically includes step：
S121：First middleware 10 is subjected to first time cleaning；
S122：First middleware 10 is subjected to first time immersion oil；
First middleware 10 is subjected to first time immersion oil, so that the surface of the first middleware 10 is smooth, is easy to forging press pair
The processing of first middleware 10.
S123：First middleware 10 is subjected to forging processing for the first time, to obtain the 3rd middleware；
S124：3rd middleware is carried out into second to clean；
S125：3rd middleware is subjected to second of immersion oil；
S126：3rd middleware is subjected to second of forging processing, to obtain the second middleware 20.
Middleware of above-mentioned 3rd middleware between the first middleware 10 and the second middleware 20.
Further, between step S125 and step S126, in addition to step：
S127：3rd middleware is subjected to third time forging processing, to obtain the 4th middleware；
S128：4th middleware is subjected to third time cleaning；
S129：4th middleware is subjected to third time immersion oil；
S1210：4th middleware is subjected to the 4th forging, to obtain the 5th middleware；
S1211：5th middleware is subjected to the 4th cleaning
S1212：5th middleware is subjected to the 4th immersion oil.
The middleware of above-mentioned 4th middleware and the 5th middleware between the 3rd middleware and the second middleware 20.
Further, step S130 specifically includes step：
S131：Second middleware 20 is subjected to the processing of first time CNC, to process button bit；
Specifically, the second middleware 20 is positioned in CNC machine and sets procedure, CNC machine is in second
Between part 20 carry out the processing of first time CNC, the setting of button bit to facilitate the clamping of fixture, under the clamping action of fixture to second in
Between part 20 reprocessed.
S132：The second middleware 20 for processing button bit is subjected to second of CNC processing, to process injection inner chamber；
Specifically, CNC cutters stretch into the inner chamber 22 of the second middleware 20, to be processed further to inner chamber, with processing
Go out injection inner chamber.
S133：Injection will be processed and carry out third time CNC processing with the second middleware 20 of inner chamber, used with processing injection
Antenna slot；
S134：Injection will be processed and carry out the 4th CNC processing with the second middleware 20 of antenna slot, to process earphone
Hole；
S135：The second middleware 20 for processing earpiece holes is subjected to the 5th CNC processing, with refine profile；
S136：The second middleware 20 after refine profile is subjected to the 6th CNC processing, with refine inner chamber；
S137：The second middleware 20 behind refine inner chamber is subjected to the 7th CNC processing, with refine side opening；
S138：The second middleware 20 after refine side opening is subjected to the 8th CNC processing, to process shooting head bore position；
S139：The second middleware 20 for processing shooting head bore position is subjected to the 9th CNC processing, after obtaining mobile phone
Shell.
Specifically, the second middleware 20 for processing shooting head bore position is positioned in CNC machine, the 9th CNC processing
By unnecessary Partial Resection, to obtain the mobile phone battery cover of end product.
Further, between step S134 and step S135, in addition to step：
S1310：The second middleware 20 for processing earpiece holes is molded.
Specifically, injection mold is positioned over to the second middleware 20 for processing earpiece holes, plastic cement is entered by injection mold
Enter injection molding channel, to enter the second middleware 20 by injection molding channel.
Further, between step S138 and step S139, in addition to step：
S1311：The second middleware 20 for processing shooting head bore position is subjected to the tenth CNC processing, to carry out at bloom
Reason.
The Surface Machining of second middleware 20 is gone out high brightness by the tenth CNC processing, to meet client to mobile phone battery cover
High brightness requirement.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of mobile phone battery cover processing method, it is characterised in that including step：
1) base material to be processed is subjected to extrusion process, to obtain the first middleware, first middleware forms one and runs through it
The forming tank of longitudinal direction；
2) forging processing is carried out to first middleware in the position of forming tank described in face, to obtain second with inner chamber
Middleware, the forming tank of first middleware are shaped to the inner chamber of second middleware；
3) second middleware is subjected to CNC processing, to obtain mobile phone battery cover finished product.
2. mobile phone battery cover processing method according to claim 1, it is characterised in that carry out the described first centre described
Before forging processing, in addition to step：
First middleware is subjected to punch process.
3. mobile phone battery cover processing method according to claim 1, it is characterised in that in the step 2) and the step 3)
Between, in addition to step：
Second middleware is subjected to Ageing Treatment.
4. mobile phone battery cover processing method according to claim 3, it is characterised in that the temperature of the Ageing Treatment is
175 ° -250 °, the time of the Ageing Treatment is 6h-8h.
5. mobile phone battery cover processing method according to claim 3, it is characterised in that enter second middleware described
Before row Ageing Treatment, in addition to step：
By the second middleware trimming.
6. according to the mobile phone battery cover processing method described in claim any one of 1-5, it is characterised in that the step 2) is specifically wrapped
Include step：
First middleware is subjected to first time cleaning；
First middleware is subjected to first time immersion oil；
First middleware is subjected to forging processing for the first time, to obtain the 3rd middleware；
3rd middleware is carried out into second to clean；
3rd middleware is subjected to second of immersion oil；
3rd middleware is subjected to second of forging processing, to obtain second middleware.
7. mobile phone battery cover processing method according to claim 6, it is characterised in that among described in step by the described 3rd
Part carries out second of immersion oil and processes second of forging of the 3rd middleware progress with step, to obtain second middleware
Between, in addition to step：
3rd middleware is subjected to third time forging processing, to obtain the 4th middleware；
4th middleware is subjected to third time cleaning；
4th middleware is subjected to third time immersion oil；
4th middleware is subjected to the 4th forging, to obtain the 5th middleware；
5th middleware is subjected to the 4th cleaning；
5th middleware is subjected to the 4th immersion oil.
8. according to the mobile phone battery cover processing method described in claim any one of 1-5, it is characterised in that the step 3) is specifically wrapped
Include step：
Second middleware is subjected to the processing of first time CNC, to process button bit；
The second middleware for processing the button bit is subjected to second of CNC processing, to process injection inner chamber；
The injection will be processed and carry out third time CNC processing with the second middleware of inner chamber, to process injection antenna slot；
The injection will be processed and carry out the 4th CNC processing with the second middleware of antenna slot, to process earpiece holes；
The second middleware for processing the earpiece holes is subjected to the 5th CNC processing, with refine profile；
The second middleware after profile described in refine is subjected to the 6th CNC processing, with refine inner chamber；
The second middleware behind inner chamber described in refine is subjected to the 7th CNC processing, with refine side opening；
The second middleware after side opening described in refine is subjected to the 8th CNC processing, to process shooting head bore position；
The second middleware for processing the shooting head bore position is subjected to the 9th CNC processing, to obtain mobile phone battery cover.
9. mobile phone battery cover processing method according to claim 8, it is characterised in that the note will be being processed described in step
Modeling carries out the 4th CNC processing with the second middleware of antenna slot, described with that will be processed described in step to process earpiece holes
Second middleware of earpiece holes carries out the 5th CNC processing, between refine profile, in addition to step：
The second middleware for processing the earpiece holes is molded.
10. mobile phone battery cover processing method according to claim 8, it is characterised in that described in step by side described in refine
The second middleware behind hole carries out the 8th CNC processing, to process shooting head bore position, with that will process described take the photograph described in step
Processed as the second middleware of head bore position carries out the 9th CNC, between obtaining mobile phone battery cover, in addition to step：
The second middleware for processing the shooting head bore position is subjected to the tenth CNC processing, to carry out high light processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711027095.6A CN107649630B (en) | 2017-10-27 | 2017-10-27 | Mobile phone battery cover processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711027095.6A CN107649630B (en) | 2017-10-27 | 2017-10-27 | Mobile phone battery cover processing method |
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| Publication Number | Publication Date |
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| CN107649630A true CN107649630A (en) | 2018-02-02 |
| CN107649630B CN107649630B (en) | 2019-08-06 |
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ID=61095713
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711027095.6A Active CN107649630B (en) | 2017-10-27 | 2017-10-27 | Mobile phone battery cover processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076523A (en) * | 2019-04-04 | 2019-08-02 | 苏州胜利精密制造科技股份有限公司 | A kind of manufacturing method of laptop case |
| CN110549169A (en) * | 2018-06-13 | 2019-12-10 | 蓝思科技（长沙）有限公司 | 3D product processing technology |
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| CN103286522A (en) * | 2012-02-28 | 2013-09-11 | 比亚迪股份有限公司 | Preparation method of aluminum alloy casing of electronic product |
| CN104552757A (en) * | 2015-01-19 | 2015-04-29 | 广东欧珀移动通信有限公司 | Mobile phone rear shell and manufacturing method of mobile phone rear shell |
| CN104618530A (en) * | 2014-12-22 | 2015-05-13 | 广东欧珀移动通信有限公司 | Medium metal frame for handheld terminal device and manufacturing method of medium metal frame |
| CN105049554A (en) * | 2015-06-01 | 2015-11-11 | 薛春贵 | Casing of mobile phone or tablet computer and manufacture method of casing |
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2017
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|---|---|---|---|---|
| CN103286522A (en) * | 2012-02-28 | 2013-09-11 | 比亚迪股份有限公司 | Preparation method of aluminum alloy casing of electronic product |
| CN104618530A (en) * | 2014-12-22 | 2015-05-13 | 广东欧珀移动通信有限公司 | Medium metal frame for handheld terminal device and manufacturing method of medium metal frame |
| CN104552757A (en) * | 2015-01-19 | 2015-04-29 | 广东欧珀移动通信有限公司 | Mobile phone rear shell and manufacturing method of mobile phone rear shell |
| CN105049554A (en) * | 2015-06-01 | 2015-11-11 | 薛春贵 | Casing of mobile phone or tablet computer and manufacture method of casing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110549169A (en) * | 2018-06-13 | 2019-12-10 | 蓝思科技（长沙）有限公司 | 3D product processing technology |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107649630B (en) | 2019-08-06 |
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