CN108746784A - A kind of lithium battery electric core pole facing cut turning equipment - Google Patents
A kind of lithium battery electric core pole facing cut turning equipment Download PDFInfo
- Publication number
- CN108746784A CN108746784A CN201810688471.4A CN201810688471A CN108746784A CN 108746784 A CN108746784 A CN 108746784A CN 201810688471 A CN201810688471 A CN 201810688471A CN 108746784 A CN108746784 A CN 108746784A
- Authority
- CN
- China
- Prior art keywords
- servo motor
- lithium battery
- pole facing
- electro spindle
- clamping device
- 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
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 22
- 238000003801 milling Methods 0.000 claims description 17
- 238000005422 blasting Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000007634 remodeling Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/36—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission in which a servomotor forms an essential element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of lithium battery electric core pole facing cut turning equipments, including gantry mechanism trapezoidal screw mechanism and electro spindle, the gantry mechanism side is provided with X-direction clamping device, the X-direction clamping device other end is provided with X-direction detent mechanism, X-direction clamping device side is provided with Y direction clamping device, the Y direction clamping device other end is provided with Y direction detent mechanism, the gantry mechanism upper end is provided with Z-direction detent mechanism, the gantry mechanism lower end is provided with cleaner, it is provided with servo motor A on the inside of the gantry mechanism, this kind of lithium battery electric core pole facing cut turning equipment, product quality can not only be improved, ensure stable quality;And it raises labour productivity;Improve the working condition of operator;Production life cycle is clear, easily controllable product yield;The period that product remodeling is regenerated can be shortened, reduce corresponding equipment investment;It is batch-automated that product can be achieved.
Description
Technical field
The present invention relates to automobile power cell technical fields, cut and set more particularly, to a kind of lithium battery electric core pole facing cut
It is standby.
Background technology
As the step of modernization of industry process strides forward, automatic technology reaches its maturity, and is even more to various equipment and mechanism
It is required that automation.Today of the New Energy Industries such as electric vehicle, energy-storage battery is given priority in the whole world, lithium battery is as generally acknowledged reason
Think energy-storage travelling wave tube, obtains higher concern.Either from national energy security, or from Domestic Automotive Industry sustainable development
Angle sees that lithium battery all will be the needs of automobile industry great-leap-forward development and promotion international competitiveness, electricity as new energy sources for automobile
Core is the core energy storage part of lithium battery.
Due to the error of techniques such as producing and assembling, lithium battery will produce defective work, but electricity in module assembling process
Core pole facing cut is flat reach respective standard after can reuse, manually obviously not by the method for battery core pole facing cut flat interest
Meet the standard of automated production, inefficiency does not meet the needs of development.The use of battery core pole facing cut turning equipment changes significantly
Production technology has been apt to it, production requirement is fully met in efficiency, has not only accelerated the development process of lithium battery industry, truly
Realize the requirement of sustainable development.Lithium battery automated production is the basic mode of automobile power cell production, for improving
Productivity ensures product quality, reduces worker's operation intensity etc. and suffers from important guarantee.
Invention content
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of lithium battery electric core pole facing cut and cuts and sets
It is standby, to solve the above problems.
To achieve the above object, the present invention provides the following technical solutions:A kind of lithium battery electric core pole facing cut turning equipment, packet
Gantry mechanism trapezoidal screw mechanism and electro spindle are included, the gantry mechanism side is provided with X-direction clamping device, the X-axis
The direction clamping device other end is provided with X-direction detent mechanism, and X-direction clamping device side is provided with Y direction
Clamping device, the Y direction clamping device other end are provided with Y direction detent mechanism, the gantry mechanism upper end setting
There are Z-direction detent mechanism, the gantry mechanism lower end to be provided with cleaner, servo electricity is provided on the inside of the gantry mechanism
The one end machine A, the servo motor A is provided with trapezoidal screw mechanism, and the trapezoidal screw mechanism other end is provided with servo motor
B, the servo motor B side are provided with electric cylinders, and trapezoidal screw mechanism upper end is provided with electro spindle, the electro spindle top
It is provided with right angle Double-edged milling cutter, the electro spindle side connects cold air blasting gun, and the right angle Double-edged milling cutter, cold air blasting gun and electro spindle are equal
It is arranged inside dust cover, the dust cover side is provided with device for addressing.
As a preferred technical solution of the present invention, the electric cylinders are rotatablely connected with electro spindle.
As a preferred technical solution of the present invention, the servo motor A, servo motor B are electrical with SIEMENS PLC
Control system is electrically connected.
As a preferred technical solution of the present invention, the servo motor B is rotatablely connected with trapezoidal screw mechanism.
As a preferred technical solution of the present invention, the SIEMENS PLC electric control system respectively with battery core temperature
Detecting system, flatness detecting system, cooling system are electrically connected.
As a preferred technical solution of the present invention, the servo motor A, servo motor B pass through trapezoidal screw respectively
Mechanism is rotatablely connected with electro spindle.
Compared with prior art, the beneficial effects of the invention are as follows:This kind of lithium battery electric core pole facing cut turning equipment, not only may be used
To improve product quality, ensure stable quality;And it raises labour productivity;Improve the working condition of operator;Product week
Phase is clear, easily controllable product yield;The period that product remodeling is regenerated can be shortened, reduce corresponding equipment investment;Production can be achieved
Product are batch-automated, can also realize that product mixing flow share line produces;It is strong to automate plasticity, it is scientific and reasonable for structure, it is safe to use
It is convenient, it provides a great help for people.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the equipment plan view of the present invention;
Fig. 2 is the Y direction clamping device schematic diagram of the present invention;
Fig. 3 is gantry and the Z-direction hold-down mechanism schematic diagram of the present invention;
Fig. 4 is that the servo motor of the present invention drives trapezoidal screw structural scheme of mechanism;
Fig. 5 is the electro spindle band milling cutter mechanism schematic diagram of the present invention;
In figure:1, gantry mechanism;2, X-direction clamping device;3, Y direction clamping device;4, Y direction detent mechanism;5,X
Axis direction detent mechanism;6, Z-direction detent mechanism;7, cleaner;8, servo motor A;9, servo motor B;10, electric cylinders;
11, right angle Double-edged milling cutter;12, dust cover;13, device for addressing;14, cold air blasting gun;15, trapezoidal screw mechanism;16, electro spindle.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of lithium battery electric core pole facing cut turning equipment, including
1 trapezoidal screw mechanism 15 of gantry mechanism and electro spindle 16,1 side of gantry mechanism is provided with X-direction clamping device 2, X-direction
2 other end of clamping device is provided with X-direction detent mechanism 5, and 2 side of X-direction clamping device is provided with Y direction clamping machine
Structure 3,3 other end of Y direction clamping device are provided with Y direction detent mechanism 4, and it is fixed that 1 upper end of gantry mechanism is provided with Z-direction
Position mechanism 6,1 lower end of gantry mechanism are provided with cleaner 7, and 1 inside of gantry mechanism is provided with servo motor A8, servo motor A8
One end is provided with trapezoidal screw mechanism 15, and 15 other end of trapezoidal screw mechanism is provided with servo motor B 9,9 side of servo motor B
Electric cylinders 10 are provided with, 15 upper end of trapezoidal screw mechanism is provided with electro spindle 16, and 16 top of electro spindle is provided with right angle Double-edged milling cutter
11,16 side of electro spindle connects cold air blasting gun 14, and right angle Double-edged milling cutter 11, cold air blasting gun 14 and electro spindle 16 are arranged at dust cover 12
Inside, 12 side of dust cover are provided with device for addressing 13.
Electric cylinders 10 and electro spindle 16 are rotatablely connected, servo motor A8, servo motor B 9 with SIEMENS PLC electrical control system
System is electrically connected, and servo motor B 9 and trapezoidal screw mechanism 15 are rotatablely connected, SIEMENS PLC electric control system respectively with battery core
System for detecting temperature, flatness detecting system, cooling system are electrically connected, and servo motor A8, servo motor B 9 pass through ladder respectively
Shape screw mechanism 15 is rotatablely connected with electro spindle 16.
Concrete principle:In use, portal frame in a state of nature, is fixed with bolt, operator successively captures battery core
Be placed on platform, by X, Y direction positioning surface on the basis of against pole faced downwards simultaneously expose space, for milling tool;
Three axis cylinder of X-direction is opened, and battery core X-direction is clamped;Y direction cylinder drives clamping device to electricity by sliding rail
Core width direction is clamped;Gantry mechanism 1 is shifted onto defined position by sliding rail, be used in combination bolt to fix, on portal frame
Cylinder is opened, and is compressed to each battery core Z-direction by guide rod and linear bearing;Servo motor A8 drives trapezoidal screw mechanism 15
Electro spindle 16 is moved toward Y direction, until pole milling plane Y-direction position;Servo motor B 9 drives trapezoidal screw mechanism
15 move electro spindle 16 toward X-direction, until pole milling plane X-direction position;Electric cylinders 10, which drive, is furnished with right angle twolip milling
16 structure of electro spindle of knife 11 is fed toward battery core pole face Z-direction, and by displacement detecting, milling cutter is moved on to both to position;Battery core
After temperature detection is qualified, addressing system is identified through, starts electro spindle 16 and milling is carried out to battery core pole face, removed in milling process
Dirt and cold air blasting gun operation simultaneously, flatness and displacement detecting real time monitoring, the disposable multiple battery cores of milling;It will be electric after milling
Main shaft 16 moves on to initial position, the cylinders retract that X, Y, Z axis direction clamps battery core, and gantry moves on to home position and consolidated with bolt
It lives calmly, each battery core milled is taken out successively and is placed in specified material frame;Electric control system uses SIEMENS PLC,
Each mechanism and cylinder component are furnished with relevant photoelectric sensor, servo motor lead agency operation, in job position equipped with close
Switch ensures origin limit, and maintenance position, which is also equipped with safe grating, ensures job safety, is controlled so that it is guaranteed that system by PLC
Orderly operation, to make whole system more stablize, reliably.
This kind of lithium battery electric core pole facing cut turning equipment can not only improve product quality, ensure stable quality;And it carries
High labor productivity;Improve the working condition of operator;Production life cycle is clear, easily controllable product yield;Product can be shortened
It retrofits the period regenerated, reduces corresponding equipment investment;It is batch-automated that product can be achieved, can also realize product mixing flow share line
Production;It is strong to automate plasticity, it is scientific and reasonable for structure, it is safe and convenient to use, it provides a great help for people.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (6)
1. a kind of lithium battery electric core pole facing cut turning equipment, including gantry mechanism(1)Trapezoidal screw mechanism(15)With electro spindle
(16), which is characterized in that the gantry mechanism(1)Side is provided with X-direction clamping device(2), the X-direction clamping machine
Structure(2)The other end is provided with X-direction detent mechanism(5), the X-direction clamping device(2)Side is provided with Y direction folder
Hold mechanism(3), the Y direction clamping device(3)The other end is provided with Y direction detent mechanism(4), the gantry mechanism
(1)Upper end is provided with Z-direction detent mechanism(6), the gantry mechanism(1)Lower end is provided with cleaner(7), described gantry
Mechanism(1)Inside is provided with servo motor A(8), the servo motor A(8)One end is provided with trapezoidal screw mechanism(15), described
Trapezoidal screw mechanism(15)The other end is provided with servo motor B(9), the servo motor B(9)Side is provided with electric cylinders(10),
The trapezoidal screw mechanism(15)Upper end is provided with electro spindle(16), the electro spindle(16)Top is provided with right angle Double-edged milling cutter
(11), the electro spindle(16)Side connects cold air blasting gun(14), the right angle Double-edged milling cutter(11), cold air blasting gun(14)With electro spindle
(16)It is arranged at dust cover(12)Inside, the dust cover(12)Side is provided with device for addressing(13).
2. a kind of lithium battery electric core pole facing cut turning equipment according to claim 1, which is characterized in that the electric cylinders(10)
With electro spindle(16)Rotation connection.
3. a kind of lithium battery electric core pole facing cut turning equipment according to claim 1, which is characterized in that the servo motor
A(8), servo motor B(9)It is electrically connected with SIEMENS PLC electric control system.
4. a kind of lithium battery electric core pole facing cut turning equipment according to claim 1, which is characterized in that the servo motor
B(9)With trapezoidal screw mechanism(15)Rotation connection.
5. a kind of lithium battery electric core pole facing cut turning equipment according to claim 3, which is characterized in that the Siemens
PLC electric control systems are electrically connected with battery core system for detecting temperature, flatness detecting system, cooling system respectively.
6. a kind of lithium battery electric core pole facing cut turning equipment according to claim 1, which is characterized in that the servo motor
A(8), servo motor B(9)Pass through trapezoidal screw mechanism respectively(15)With electro spindle(16)Rotation connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810688471.4A CN108746784A (en) | 2018-06-28 | 2018-06-28 | A kind of lithium battery electric core pole facing cut turning equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810688471.4A CN108746784A (en) | 2018-06-28 | 2018-06-28 | A kind of lithium battery electric core pole facing cut turning equipment |
Publications (1)
Publication Number | Publication Date |
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CN108746784A true CN108746784A (en) | 2018-11-06 |
Family
ID=63974512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810688471.4A Pending CN108746784A (en) | 2018-06-28 | 2018-06-28 | A kind of lithium battery electric core pole facing cut turning equipment |
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CN (1) | CN108746784A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118023588A (en) * | 2024-04-15 | 2024-05-14 | 宁德时代新能源科技股份有限公司 | Milling device and milling method for battery |
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---|---|---|---|---|
JPH1094927A (en) * | 1996-07-29 | 1998-04-14 | Matsushita Electric Ind Co Ltd | Machine tool |
US6387026B1 (en) * | 1998-12-23 | 2002-05-14 | Chiron-Werke Gmbh & Co. Kg | Machine tool with a tool spindle operating from below |
KR20080048140A (en) * | 2006-11-28 | 2008-06-02 | 김태석 | Clapping device for milling machine |
CN101804475A (en) * | 2009-02-18 | 2010-08-18 | P+L有限责任两合公司 | Be used for automatically handling the method for milling and the machine tool of cuboid workpiece |
US8002504B1 (en) * | 2009-07-24 | 2011-08-23 | Thomas Joseph Kochanowicz | Rocker slide lift adjustment mechanism |
CN102500801A (en) * | 2011-10-14 | 2012-06-20 | 武汉大学 | Vertical double-sided milling machine of gantry |
CN106663654A (en) * | 2015-07-30 | 2017-05-10 | 株式会社才源 | Hybrid alignment |
CN106625665A (en) * | 2016-12-15 | 2017-05-10 | 北京卫星制造厂 | Movable drilling and milling robot system achieving automatic addressing |
-
2018
- 2018-06-28 CN CN201810688471.4A patent/CN108746784A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1094927A (en) * | 1996-07-29 | 1998-04-14 | Matsushita Electric Ind Co Ltd | Machine tool |
US6387026B1 (en) * | 1998-12-23 | 2002-05-14 | Chiron-Werke Gmbh & Co. Kg | Machine tool with a tool spindle operating from below |
KR20080048140A (en) * | 2006-11-28 | 2008-06-02 | 김태석 | Clapping device for milling machine |
CN101804475A (en) * | 2009-02-18 | 2010-08-18 | P+L有限责任两合公司 | Be used for automatically handling the method for milling and the machine tool of cuboid workpiece |
US8002504B1 (en) * | 2009-07-24 | 2011-08-23 | Thomas Joseph Kochanowicz | Rocker slide lift adjustment mechanism |
CN102500801A (en) * | 2011-10-14 | 2012-06-20 | 武汉大学 | Vertical double-sided milling machine of gantry |
CN106663654A (en) * | 2015-07-30 | 2017-05-10 | 株式会社才源 | Hybrid alignment |
CN106625665A (en) * | 2016-12-15 | 2017-05-10 | 北京卫星制造厂 | Movable drilling and milling robot system achieving automatic addressing |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118023588A (en) * | 2024-04-15 | 2024-05-14 | 宁德时代新能源科技股份有限公司 | Milling device and milling method for battery |
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Application publication date: 20181106 |
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