CN108817418B - Motor shell machining system and method for machining motor shell by using same - Google Patents
Motor shell machining system and method for machining motor shell by using same Download PDFInfo
- Publication number
- CN108817418B CN108817418B CN201810610038.9A CN201810610038A CN108817418B CN 108817418 B CN108817418 B CN 108817418B CN 201810610038 A CN201810610038 A CN 201810610038A CN 108817418 B CN108817418 B CN 108817418B
- Authority
- CN
- China
- Prior art keywords
- blade
- lathe
- motor shell
- downward
- cutter
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/04—Tool holders for a single cutting tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Milling Processes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to a motor shell processing system and a processing method, wherein a lathe fixture and a cutter mounting seat are arranged on a workbench, a multi-blade positive and negative cutting lathe tool is arranged on a cutter seat and comprises a lathe cutter rod and four blades arranged on the lathe cutter rod, blade mounting grooves are formed in the periphery of the lathe cutter rod, the blades are respectively arranged in the blade mounting grooves, blade fixing holes are respectively formed in the blades, bolt holes are formed in the contact surfaces of the blade mounting grooves and the blades, blade mounting bolts penetrate through the blade fixing holes and are screwed into the bolt holes in the blade mounting grooves, the blades can be well fixed, blade looseness can be prevented, through reasonably designing the structures of the lathe cutter and the blades, a tool changing mechanism is not required to be additionally arranged, the motor shell can be roughly and finely processed by clamping the lathe cutter at one time, the cost can be reduced, the working efficiency can be improved, the surface roughness of the workpiece is reduced, and the processing quality of the workpiece is improved.
Description
Technical Field
The invention relates to machining equipment, in particular to a motor shell machining system and a method for machining a motor shell by using the same.
Background
In order to protect the motor and install the motor component and the wire harness, the motor shell of the new energy automobile is provided with a front end hole, a stator hole, a rear end hole and the like, the coaxiality, the parallelism of the front end surface and the rear end surface and the requirement on the hole diameter are high, 4 turning tools are generally needed during machining, the motor shell is machined by using a downward alloy tool, the rear end surface, the rear end hole and the stator hole are roughly machined from top to bottom, an upward alloy tool is replaced, the front end surface and the front end hole are roughly machined from bottom to top, a downward PCD tool (diamond tool) is replaced, the rear end surface, the rear end hole and the stator hole are finely machined from top to bottom, the forward end surface and the front end hole are finely machined from bottom to top, the conventional motor shell machining equipment does not have a tool changing mechanism, the requirement for automatically replacing tools cannot be met, and if a tool magazine or newly-added.
Disclosure of Invention
In order to solve the defects of the new energy motor shell machining equipment in the prior art, a tool changing mechanism is not additionally arranged, and 1 turning tool is used for achieving one-time clamping machining of rough turning and finish turning of the motor shell; the invention provides a motor shell machining system which achieves the cutting effects of forward and backward rough machining and forward and backward finish machining by clamping a cutter once without changing the cutter, and comprises a workbench, a lathe fixture, a cutter mounting seat, a main shaft and a multi-cutter forward and backward cutting lathe cutter, wherein the workbench is provided with the lathe fixture and the cutter mounting seat, the multi-cutter forward and backward cutting lathe cutter is mounted on a cutter seat and comprises a lathe cutter rod and four blades arranged on the lathe cutter rod, namely a downward alloy blade, an upward PCD blade, a downward alloy blade, an upward PCD blade and a downward PCD blade, the upward alloy blade and the upward PCD blade are arranged around the lathe cutter rod, the upward alloy blade and the upward PCD blade are arranged above the lathe cutter rod, the downward alloy blade and the downward PCD blade are arranged below the lathe cutter rod, wherein the blades on the lathe cutter rod are divided into a rough machining blade and a, the left side of the axis of the turning tool rod is provided with rough machining upward and downward alloy blades, and the right side of the turning tool rod is provided with fine machining upward and downward PCD blades;
preferably, blade mounting grooves are formed in the periphery of the lathe tool bar, the downward alloy blade, the upward PCD blade and the downward PCD blade are respectively arranged in the blade mounting grooves, blade fixing holes are respectively formed in the downward alloy blade, the upward PCD blade and the downward PCD blade, bolt holes are formed in contact surfaces of the blade mounting grooves and the blades, and blade mounting bolts penetrate through the blade fixing holes and are screwed into the bolt holes in the blade mounting grooves;
preferably, the front angle of the alloy blade is 1 degree, the rear angle is 4 degrees, and the arc radius of the tool tip is 0.3 mm;
preferably, the front angle of the PCD blade is 0 degrees, the rear angle is 2 degrees, and the arc radius of the tool nose is 0.1 mm;
preferably, the surface of the alloy blade is coated with an antirust coating and an aluminum chromium nitride coating, the outer side of the aluminum chromium nitride coating is provided with an anti-oxidation coating, and the outer side of the anti-oxidation coating is provided with a wear-resistant coating;
preferably, the wear-resistant coating is formed by sintering a blank consisting of titanium nitride and boron nitride at ultrahigh pressure;
preferably, the blade mounting bolt is a hex bolt;
in addition, the invention also provides a method for processing the motor shell of the new energy source by using the motor shell processing system, which comprises the following steps:
1) placing a motor shell blank to be processed on a lathe fixture and clamping;
2) installing a multi-blade positive and negative cutting turning tool on a tool mounting seat;
3) starting the system, and driving the motor shell blank to be processed to rotate forwards by the main shaft;
4) the lathe tool rod moves leftwards, and the rear end face, the rear end hole, the stator hole and the stator vacancy avoiding position are roughly machined from top to bottom by cutting through a downward alloy blade cutting edge;
5) the lathe tool rod moves leftwards and downwards, and a front end face and a front end hole are roughly machined from bottom to top by cutting through an upward alloy blade cutting edge;
6) rotating the motor shell blank by 180 degrees around the vertical direction through a workbench;
7) the lathe tool rod moves upwards and rightwards, the rear end surface, the rear end hole, the stator hole and the stator vacancy avoidance position are finely machined from top to bottom by cutting through a downward PCD blade edge;
8) the lathe tool rod moves rightwards and downwards, and the front end face and the front end hole are finely machined from bottom to top by cutting through the upward PCD blade edge to finish machining of one side of the motor shell;
9) rotating the motor shell blank by 180 degrees around the vertical direction through a workbench, and repeating the operations of the steps 4) to 8) to finish the machining of the other side of the motor shell;
10) and (5) finishing the machining of the motor shell, stopping rotating the main shaft, loosening the clamp and taking out the motor shell.
According to the motor shell machining system, a tool changing mechanism does not need to be additionally arranged, and the rough turning and the finish turning of the motor shell can be realized by clamping 1 turning tool once; the cutting machining process of forward and backward rough machining and forward and backward finish machining is finished by clamping the cutter once without changing the cutter, so that the cost can be reduced, and the working efficiency is improved. The blade mounting grooves are formed in the periphery of the turning tool rod, the blades are respectively arranged in the blade mounting grooves, the blades are respectively provided with the blade fixing holes, bolt holes are formed in the contact surfaces of the blade mounting grooves and the blades, and blade mounting bolts penetrate through the blade fixing holes and are screwed into the bolt holes in the blade mounting grooves, so that the blades can be well fixed and prevented from loosening; through the structure of reasonable design blade and set up the coating, can realize thick, finish machining better, improve the life of blade, reduce the surface roughness of work piece, improve the processingquality of work piece.
Drawings
FIG. 1 is a schematic structural view of a multi-blade positive and negative cutting turning tool of a motor housing processing system according to the present invention;
FIG. 2 is a schematic view of a motor housing machining system according to the present invention;
shown in the figure: 1. The novel energy-saving motor comprises a lathe tool rod, 2 downward alloy blades, 3 upward alloy blades, 4 upward PCD blades, 5 downward PCD blades, 6 lathe clamps, 7 a new energy motor shell, 8 a rear end face, 9 a rear end hole, 10 a stator hole, 11 a stator vacancy avoiding portion, 12 a front end hole, 13 a front end face.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
As shown in fig. 1 and 2, the invention provides a motor shell processing system, which comprises a workbench, a lathe clamp 6, a tool mounting seat, a main shaft and a multi-blade positive and negative cutting turning tool, wherein the lathe clamp 6 and the tool mounting seat are arranged on the workbench, the multi-blade positive and negative cutting turning tool is mounted on a tool holder, the multi-blade positive and negative cutting turning tool comprises a turning tool bar 1 and four blades arranged on the turning tool bar, namely a downward alloy blade 2, an upward alloy blade 3, an upward PCD blade 4 and a downward PCD blade 5, the downward alloy blade 2, the upward alloy blade 3, the upward PCD blade 4 and the downward PCD blade 5 are respectively arranged around the turning tool bar 1, the upward alloy blade 3 and the upward PCD blade 4 are arranged above the turning tool bar, the downward alloy blade 2 and the downward PCD blade 5 are arranged below the turning tool bar 1, wherein the blades on the turning tool bar 1 are divided into a rough processing blade and a finish processing blade, the left side of the lathe tool rod 1 is provided with an upward and downward rough machining alloy blade, and the right side of the lathe tool rod 1 is provided with an upward and downward finish machining PCD blade.
Preferably, blade mounting grooves are formed in the periphery of the lathe tool bar 1, the downward alloy blade 2, the upward alloy blade 3, the upward PCD blade 4 and the downward PCD blade 5 are respectively arranged in the blade mounting grooves, blade fixing holes are respectively formed in the downward alloy blade 2, the upward alloy blade 3, the upward PCD blade 4 and the downward PCD blade 5, bolt holes are formed in contact surfaces of the blade mounting grooves and the blades, and blade mounting bolts penetrate through the blade fixing holes and are screwed into the bolt holes in the blade mounting grooves;
preferably, the front angle of the alloy blades 2 and 3 is 1 degree, the rear angle is 4 degrees, and the arc radius of the tool tip is 0.3 mm;
preferably, the front angle of the PCD inserts 4, 5 is 0 °, the rear angle is 2 °, and the arc radius of the tip is 0.1 mm;
preferably, the surfaces of the alloy blades 2 and 3 are coated with an antirust coating and an aluminum chromium nitride coating, the outer side of the aluminum chromium nitride coating is provided with an anti-oxidation coating, and the outer side of the anti-oxidation coating is provided with a wear-resistant coating;
preferably, the wear-resistant coating is formed by sintering a blank consisting of titanium nitride and boron nitride at ultrahigh pressure;
preferably, the blade mounting bolt is a hex bolt;
in addition, the invention also provides a method for processing the motor shell of the new energy source by using the motor shell processing system, which comprises the following steps:
1) placing a motor shell blank to be processed on a lathe fixture 6 and clamping;
2) installing a multi-blade positive and negative cutting turning tool on a tool mounting seat;
3) starting the system, and driving the motor shell blank to be processed to rotate forwards by the main shaft;
4) the lathe tool rod 1 moves leftwards, and roughly processes a rear end face 8, a rear end hole 9, a stator hole 10 and a stator clearance position 11 from top to bottom by cutting through a cutting edge of a downward alloy blade 2;
5) the lathe tool rod moves leftwards and downwards, and the front end face and the front end hole are roughly machined from bottom to top by cutting with the cutting edge of the upward alloy blade 3;
6) rotating the motor casing blank by 180 degrees around the vertical direction through a workbench;
7) the lathe cutter rod moves upwards and rightwards, the rear end surface 8, the rear end hole 9, the stator hole 10 and the stator clearance position 11 are finely machined from top to bottom by cutting through the cutting edge of the downward PCD blade 5;
8) the lathe tool rod moves rightwards and downwards, and the front end surface 13 and the front end hole 12 are subjected to finish machining from bottom to top by cutting through the upward PCD blade 4 to finish machining of one side of the motor shell;
9) rotating the motor shell blank by 180 degrees around the vertical direction through a workbench, and repeating the operations of the steps 4) to 8) to finish the machining of the other side of the motor shell;
10) and (5) finishing the machining of the motor shell, stopping rotating the main shaft, loosening the clamp and taking out the motor shell.
According to the motor shell machining system, a tool changing mechanism does not need to be additionally arranged, and the rough turning and the finish turning of the motor shell can be realized by clamping 1 turning tool once; the cutting machining processes of forward and backward rough machining and forward and backward finish machining are finished by clamping the cutter once without changing the cutter, the cost can be reduced, the working efficiency is improved, and the blade can be well fixed to prevent the blade from loosening; through the structure of reasonable design blade and set up the coating, can improve the life of blade, reduce the roughness of work piece, improve the processingquality of work piece.
The above description is only a preferred embodiment of the present invention and should not be interpreted as limiting the scope of the present invention, and all equivalent modifications and variations made within the scope of the claims of the present invention are within the scope of the claims of the present invention.
Claims (2)
1. A motor shell machining system comprises a workbench, a lathe fixture, a cutter mounting seat, a main shaft, a multi-cutter-edge positive and negative cutting lathe tool, wherein the lathe fixture and the cutter mounting seat are arranged on the workbench, the multi-cutter-edge positive and negative cutting lathe tool is mounted on a cutter seat, the multi-cutter-edge positive and negative cutting lathe tool comprises a lathe cutter rod and four blades arranged on the lathe cutter rod, namely a downward alloy blade, an upward PCD blade, a downward alloy blade, an upward PCD blade and a downward PCD blade, which are arranged around the lathe cutter rod, the upward alloy blade and the upward PCD blade are arranged above the lathe cutter rod, the downward alloy blade and the downward PCD blade are arranged below the lathe cutter rod, the blades on the lathe cutter rod are divided into a rough machining blade and a finish machining blade, the left side of the axis of the lathe cutter rod is a, A downward PCD blade; blade mounting grooves are formed in the periphery of the lathe tool bar, a downward alloy blade, an upward PCD blade and a downward PCD blade are respectively arranged in the blade mounting grooves, blade fixing holes are respectively formed in the downward alloy blade, the upward PCD blade and the downward PCD blade, bolt holes are formed in the contact surfaces of the blade mounting grooves and the blades, and blade mounting bolts penetrate through the blade fixing holes and are screwed into the bolt holes in the blade mounting grooves; the front angle of the alloy blade is 1 degree, the rear angle is 4 degrees, and the arc radius of the tool nose is 0.3 mm; the front angle of the PCD blade is 0 degree, the rear angle is 2 degrees, and the arc radius of the tool nose is 0.1 mm; the surface of the alloy blade is coated with an antirust coating and an aluminum chromium nitride coating, the outer side of the aluminum chromium nitride coating is provided with an anti-oxidation coating, and the outer side of the anti-oxidation coating is provided with a wear-resistant coating; the wear-resistant coating is formed by sintering a blank body consisting of titanium nitride and boron nitride at ultrahigh pressure; the motor shell machining system executes a method for machining a new energy motor shell, and comprises the following steps:
1) placing a motor shell blank to be processed on a lathe fixture and clamping;
2) installing a multi-blade positive and negative cutting turning tool on a tool mounting seat;
3) starting the system, and driving the motor shell blank to be processed to rotate forwards by the main shaft;
4) the lathe tool rod moves leftwards, and the rear end face, the rear end hole, the stator hole and the stator vacancy avoiding position are roughly machined from top to bottom by cutting through a downward alloy blade cutting edge;
5) the lathe tool rod moves leftwards and downwards, and a front end face and a front end hole are roughly machined from bottom to top by cutting through an upward alloy blade cutting edge;
6) rotating the motor shell blank by 180 degrees around the vertical direction through a workbench;
7) the lathe tool rod moves upwards and rightwards, the rear end surface, the rear end hole, the stator hole and the stator vacancy avoidance position are finely machined from top to bottom by cutting through a downward PCD blade edge;
8) the lathe tool rod moves rightwards and downwards, and the front end face and the front end hole are finely machined from bottom to top by cutting through the upward PCD blade edge to finish machining of one side of the motor shell;
9) rotating the motor shell blank by 180 degrees around the vertical direction through a workbench, and repeating the operations of the steps 4) to 8) to finish the machining of the other side of the motor shell;
10) and (5) finishing the machining of the motor shell, stopping rotating the main shaft, loosening the clamp and taking out the motor shell.
2. The motor housing machining system of claim 1, wherein: the blade mounting bolt is a hexagon bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610038.9A CN108817418B (en) | 2018-06-14 | 2018-06-14 | Motor shell machining system and method for machining motor shell by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610038.9A CN108817418B (en) | 2018-06-14 | 2018-06-14 | Motor shell machining system and method for machining motor shell by using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108817418A CN108817418A (en) | 2018-11-16 |
| CN108817418B true CN108817418B (en) | 2020-08-25 |
Family
ID=64141576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810610038.9A Active CN108817418B (en) | 2018-06-14 | 2018-06-14 | Motor shell machining system and method for machining motor shell by using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108817418B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434360B (en) * | 2019-07-16 | 2020-12-29 | 无锡市亨达电机有限公司 | Non-standard three-cutter-head cutter handle structure for machining aluminum shell and base |
| CN110842217B (en) * | 2019-11-22 | 2020-07-07 | 浙江金木泵业有限公司 | Motor casing processing equipment |
| CN111112645A (en) * | 2019-12-25 | 2020-05-08 | 江苏远方动力科技有限公司 | Machining method for improving machining precision and perpendicularity of motor flange hole |
| CN113385702B (en) * | 2021-07-09 | 2023-05-09 | 抚州长丰机械有限责任公司 | Combined cutter for finish machining of flange hollow pipe |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH570225A5 (en) * | 1973-10-18 | 1975-12-15 | Zwahlen Bruno | Multiple purpose turning tool is used - for machine bore and chamfering edge of bore in workpiece in one operation |
| JPS6090605A (en) * | 1983-10-25 | 1985-05-21 | Toshiba Tungaloy Co Ltd | Cutter |
| CN101879615A (en) * | 2010-02-05 | 2010-11-10 | 苏州工业园区艺达精密机械有限公司 | Multifunctional cutter |
| CN202270989U (en) * | 2011-09-28 | 2012-06-13 | 湖北三江航天险峰电子信息有限公司 | Double-head lathe tool rod |
| CN204449362U (en) * | 2015-03-10 | 2015-07-08 | 聊城新泺机械有限公司 | Lathe tool group |
| CN106694918A (en) * | 2017-01-18 | 2017-05-24 | 莆田市荣兴机械有限公司 | Cutter for one-time clamping machining of concentric circular holes in two sides and design method and application thereof |
| CN206597923U (en) * | 2017-03-13 | 2017-10-31 | 东莞市大晋涂层科技有限公司 | A turning tool with aluminum nitride chromium coating |
-
2018
- 2018-06-14 CN CN201810610038.9A patent/CN108817418B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH570225A5 (en) * | 1973-10-18 | 1975-12-15 | Zwahlen Bruno | Multiple purpose turning tool is used - for machine bore and chamfering edge of bore in workpiece in one operation |
| JPS6090605A (en) * | 1983-10-25 | 1985-05-21 | Toshiba Tungaloy Co Ltd | Cutter |
| CN101879615A (en) * | 2010-02-05 | 2010-11-10 | 苏州工业园区艺达精密机械有限公司 | Multifunctional cutter |
| CN202270989U (en) * | 2011-09-28 | 2012-06-13 | 湖北三江航天险峰电子信息有限公司 | Double-head lathe tool rod |
| CN204449362U (en) * | 2015-03-10 | 2015-07-08 | 聊城新泺机械有限公司 | Lathe tool group |
| CN106694918A (en) * | 2017-01-18 | 2017-05-24 | 莆田市荣兴机械有限公司 | Cutter for one-time clamping machining of concentric circular holes in two sides and design method and application thereof |
| CN206597923U (en) * | 2017-03-13 | 2017-10-31 | 东莞市大晋涂层科技有限公司 | A turning tool with aluminum nitride chromium coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108817418A (en) | 2018-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108817418B (en) | Motor shell machining system and method for machining motor shell by using same | |
| CN104801935A (en) | Method for processing aircraft aluminum alloy special-shaped cabin | |
| CN106312152A (en) | Method for machining thin-walled components | |
| CN106270562A (en) | The processing unit (plant) of a kind of deep hole axial narrow tank and processing method | |
| CN210188620U (en) | Composite face milling cutter capable of performing rough machining and finish machining | |
| CN201841281U (en) | Dedicated boring rod for processing railway wheel inner hole | |
| CN108772570A (en) | The method of cutter, row's knife assembly, processing excircles and endoporus | |
| CN204912886U (en) | Novel interchangeable formula T type groove milling cutter | |
| CN214053819U (en) | Coating forming milling cutter | |
| CN212553354U (en) | A tooling fixture for gun drill grinding | |
| CN211276683U (en) | Sleeve milling cutter with countersink end face function | |
| CN105312641B (en) | A kind of processing method that fuselage breathes out furan face | |
| CN201366626Y (en) | Fixture for surfacing | |
| CN106583765A (en) | Turning tool of eccentric adjusting device | |
| CN211840284U (en) | High-speed rough machining tool bit | |
| CN217252906U (en) | Anti-boring blade clamping distance control structure | |
| CN218452604U (en) | Boring cutter machining tool | |
| CN214321867U (en) | Boring bar-shaped boring cutter | |
| CN222470852U (en) | Vibration reduction milling cutter bar | |
| CN220612344U (en) | Three-head cutter body | |
| CN220410132U (en) | Main shaft fixer | |
| CN213916155U (en) | Combined knife adopting multi-type cutter combination | |
| CN213794292U (en) | Reinforcing cutter bar for small hole | |
| CN220739499U (en) | Inner and outer diameter integrated adjustable boring cutter | |
| CN215468360U (en) | Insert welding threaded handle chamfering tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |