CN110879570A - Quick hole machining programming method - Google Patents

Quick hole machining programming method Download PDF

Info

Publication number
CN110879570A
CN110879570A CN201911197720.0A CN201911197720A CN110879570A CN 110879570 A CN110879570 A CN 110879570A CN 201911197720 A CN201911197720 A CN 201911197720A CN 110879570 A CN110879570 A CN 110879570A
Authority
CN
China
Prior art keywords
program
parameters
hole
selecting
machine tool
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
Application number
CN201911197720.0A
Other languages
Chinese (zh)
Inventor
张春华
朱波
邓旬
王晓琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Shenyang Liming Aero Engine Co Ltd
Original Assignee
AECC Shenyang Liming Aero Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AECC Shenyang Liming Aero Engine Co Ltd filed Critical AECC Shenyang Liming Aero Engine Co Ltd
Priority to CN201911197720.0A priority Critical patent/CN110879570A/en
Publication of CN110879570A publication Critical patent/CN110879570A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4093Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine
    • G05B19/40931Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by part programming, e.g. entry of geometrical information as taken from a technical drawing, combining this with machining and material information to obtain control information, named part programme, for the NC machine concerning programming of geometry
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/18Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4097Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/32Operator till task planning
    • G05B2219/32124Program hybrid system, part sequence, part continous
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/32Operator till task planning
    • G05B2219/32153Exchange data between user, cad, caq, nc, capp
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/32Operator till task planning
    • G05B2219/32161Object oriented control, programming

Abstract

A fast hole processing programming method, the characteristic of the hole processed is graphical, numerical control program parameterization and make into the standard template of the corresponding lathe; by carrying out secondary development on the AutoCad, associating the numerical control machine tool, the characteristic graph, the parameters and the program template to manufacture a human-computer interaction interface, and inputting the characteristic parameters of the hole to generate the numerical control program by selecting the machine tool by a user. Making a graphical interface, and making a hole characteristic graph according to a cad slide making mode; utilizing cad DCL language to make dialog boxes, nesting the graphics, and making all parameters on an interface; and associating the parameters on the dialog box with the parameters in the program template by using the Autolisp language so as to output the program. The invention has the advantages that: the efficiency of the programmer is improved, the programmer and the follow-up program examination and approval personnel do not pay attention to the correctness of the special instruction, time and labor are saved, the error rate is avoided, and the method has great application value on the aero-engine parts with a large number of characteristic holes to be processed.

Description

Quick hole machining programming method
Technical Field
The invention relates to the fields of drilling, expanding, reaming, hole milling, hole edge chamfering, thread milling and the like, in particular to a quick hole machining programming method.
Background
Most parts of the prior aeroengine case part are provided with holes, and the types of the holes are various, such as through holes and blind holes; locating holes, threaded holes, etc. The manner of machining the holes is also various, such as dotting, drilling, circular drilling, reaming, boring, hole milling, hole edge chamfering, thread milling and the like. When a technician compiles the program, the numerical control program is compiled manually or by using a template, but the method needs to change parameters in the program, requires the technician to have a certain programming basis, and is unintuitive and tedious; in addition, the programs of the same procedure cannot be used universally due to differences of machine tools, and need to be re-programmed, so that repeated programming work is brought, and the efficiency is influenced.
Disclosure of Invention
The invention aims to provide a quick hole machining programming method for simplicity, clarity, rapidness and standardization.
The invention provides a rapid hole machining programming method, which is characterized by comprising the following steps: the rapid hole machining programming method comprises the steps of imaging the characteristics of a machined hole, parameterizing a numerical control program and making the parameterized numerical control program into a standard template corresponding to a machine tool; by carrying out secondary development on the AutoCad, associating the numerical control machine tool, the characteristic graph, the parameters and the program template to manufacture a human-computer interaction interface, and inputting the characteristic parameters of the hole to generate the numerical control program by selecting the machine tool by a user.
1) Making a graphical interface, and making a hole characteristic graph according to a cad slide making mode;
2) utilizing cad DCL language to make dialog boxes, nesting the graphics, and making all parameters on an interface;
3) and associating the parameters on the dialog box with the parameters in the program template by using the Autolisp language so as to output the program.
(1) Opening AutoCad2004 and above version software, and loading the developed plug-in;
(2) inputting CX in a command bar and returning, and displaying an interface for selecting a machine tool;
(3) selecting a machine tool and determining the machine tool, and then generating an interface for selecting a vertical or horizontal machining mode;
(4) selecting a horizontal machining mode, inputting parameters, and inputting auxiliary parameters such as a program number, a subprogram number, a cutter, a rotating speed, feeding and the like; after finishing, clicking a button to generate a main program, wherein the main program is generated; clicking a 'selection subprogram' button to generate an interface capable of selecting a processing type, such as dotting, depth hole, hole milling, thread milling, chamfer tapping, chamfer milling and the like;
(5) selecting a thread milling machining type, checking the grade of the thread milling cutter to check the diameter and the thread pitch of the thread milling cutter, and inputting a thread milling parameter;
(6) and after clicking is determined, finding the main program and the subprogram from the D disk.
Most parts of the prior aeroengine case part are provided with holes, and the types of the holes are various, such as through holes and blind holes; locating holes, threaded holes, etc. The manner of machining the holes is also various, such as dotting, drilling, circular drilling, reaming, boring, hole milling, hole edge chamfering, thread milling and the like. When a technician compiles the program, the numerical control program is compiled manually or by using a template, but the method needs to change parameters in the program, requires the technician to have a certain programming basis, and is unintuitive and tedious; in addition, the programs of the same procedure cannot be used universally due to differences of machine tools, and need to be re-programmed, so that repeated programming work is brought, and programming efficiency is influenced.
For numerical control programming with hole machining characteristics, a simple, clear, quick and standardized graphical programming method which can be used by beginners is found, and programming efficiency of the program is greatly improved.
The invention has the advantages that:
the efficiency of programmers is improved, and because the modular program is built aiming at the special instruction of each numerical control device, the programmers and the follow-up program examination and approval personnel do not pay extra attention to the correctness of the special instruction, time and labor are saved, the error rate is avoided, and the method has great application value for aircraft engine parts with a large number of characteristic holes to be processed.
Detailed Description
Example 1
The invention provides a rapid hole machining programming method, which is characterized by comprising the following steps: the rapid hole machining programming method comprises the steps of imaging the characteristics of a machined hole, parameterizing a numerical control program and making the parameterized numerical control program into a standard template corresponding to a machine tool; by carrying out secondary development on the AutoCad, associating the numerical control machine tool, the characteristic graph, the parameters and the program template to manufacture a human-computer interaction interface, and inputting the characteristic parameters of the hole to generate the numerical control program by selecting the machine tool by a user.
1) Making a graphical interface, and making a hole characteristic graph according to a cad slide making mode;
2) utilizing cad DCL language to make dialog boxes, nesting the graphics, and making all parameters on an interface;
3) and associating the parameters on the dialog box with the parameters in the program template by using the Autolisp language so as to output the program.
(1) Opening AutoCad2004 and above version software, and loading the developed plug-in;
(2) inputting CX in a command bar and returning, and displaying an interface for selecting a machine tool;
(3) selecting a machine tool and determining the machine tool, and then generating an interface for selecting a vertical or horizontal machining mode;
(4) selecting a horizontal machining mode, inputting parameters, and inputting auxiliary parameters such as a program number, a subprogram number, a cutter, a rotating speed, feeding and the like; after finishing, clicking a button to generate a main program, wherein the main program is generated; clicking a 'selection subprogram' button to generate an interface capable of selecting a processing type, such as dotting, depth hole, hole milling, thread milling, chamfer tapping, chamfer milling and the like;
(5) selecting a thread milling machining type, checking the grade of the thread milling cutter to check the diameter and the thread pitch of the thread milling cutter, and inputting a thread milling parameter;
(6) and after clicking is determined, finding the main program and the subprogram from the D disk.
Most parts of the prior aeroengine case part are provided with holes, and the types of the holes are various, such as through holes and blind holes; locating holes, threaded holes, etc. The manner of machining the holes is also various, such as dotting, drilling, circular drilling, reaming, boring, hole milling, hole edge chamfering, thread milling and the like. When a technician compiles the program, the numerical control program is compiled manually or by using a template, but the method needs to change parameters in the program, requires the technician to have a certain programming basis, and is unintuitive and tedious; in addition, the programs of the same procedure cannot be used universally due to differences of machine tools, and need to be re-programmed, so that repeated programming work is brought, and programming efficiency is influenced.
For numerical control programming with hole machining characteristics, a simple, clear, quick and standardized graphical programming method which can be used by beginners is found, and programming efficiency of the program is greatly improved.
Example 2
The invention provides a rapid hole machining programming method, which is characterized by comprising the following steps: the rapid hole machining programming method comprises the steps of imaging the characteristics of a machined hole, parameterizing a numerical control program and making the parameterized numerical control program into a standard template corresponding to a machine tool; by carrying out secondary development on the AutoCad, associating the numerical control machine tool, the characteristic graph, the parameters and the program template to manufacture a human-computer interaction interface, and inputting the characteristic parameters of the hole to generate the numerical control program by selecting the machine tool by a user.
1) Making a graphical interface, and making a hole characteristic graph according to a cad slide making mode;
2) utilizing cad DCL language to make dialog boxes, nesting the graphics, and making all parameters on an interface;
3) and associating the parameters on the dialog box with the parameters in the program template by using the Autolisp language so as to output the program.
(1) Opening AutoCad2004 and above version software, and loading the developed plug-in;
(2) inputting CX in a command bar and returning, and displaying an interface for selecting a machine tool;
(3) selecting a machine tool and determining the machine tool, and then generating an interface for selecting a vertical or horizontal machining mode;
(4) selecting a horizontal machining mode, inputting parameters, and inputting auxiliary parameters such as a program number, a subprogram number, a cutter, a rotating speed, feeding and the like; after finishing, clicking a button to generate a main program, wherein the main program is generated; clicking a 'selection subprogram' button to generate an interface capable of selecting a processing type, such as dotting, depth hole, hole milling, thread milling, chamfer tapping, chamfer milling and the like;
(5) selecting a thread milling machining type, checking the grade of the thread milling cutter to check the diameter and the thread pitch of the thread milling cutter, and inputting a thread milling parameter;
(6) and after clicking is determined, finding the main program and the subprogram from the D disk.
For numerical control programming with hole machining characteristics, a simple, clear, quick and standardized graphical programming method which can be used by beginners is found, and programming efficiency of the program is greatly improved.
Example 3
The invention provides a rapid hole machining programming method, which is characterized by comprising the following steps: the rapid hole machining programming method comprises the steps of imaging the characteristics of a machined hole, parameterizing a numerical control program and making the parameterized numerical control program into a standard template corresponding to a machine tool; by carrying out secondary development on the AutoCad, associating the numerical control machine tool, the characteristic graph, the parameters and the program template to manufacture a human-computer interaction interface, and inputting the characteristic parameters of the hole to generate the numerical control program by selecting the machine tool by a user.
1) Making a graphical interface, and making a hole characteristic graph according to a cad slide making mode;
2) utilizing cad DCL language to make dialog boxes, nesting the graphics, and making all parameters on an interface;
3) and associating the parameters on the dialog box with the parameters in the program template by using the Autolisp language so as to output the program.
(1) Opening AutoCad2004 and above version software, and loading the developed plug-in;
(2) inputting CX in a command bar and returning, and displaying an interface for selecting a machine tool;
(3) selecting a machine tool and determining the machine tool, and then generating an interface for selecting a vertical or horizontal machining mode;
(4) selecting a horizontal machining mode, inputting parameters, and inputting auxiliary parameters such as a program number, a subprogram number, a cutter, a rotating speed, feeding and the like; after finishing, clicking a button to generate a main program, wherein the main program is generated; clicking a 'selection subprogram' button to generate an interface capable of selecting a processing type, such as dotting, depth hole, hole milling, thread milling, chamfer tapping, chamfer milling and the like;
(5) selecting a thread milling machining type, checking the grade of the thread milling cutter to check the diameter and the thread pitch of the thread milling cutter, and inputting a thread milling parameter;
(6) and after clicking is determined, finding the main program and the subprogram from the D disk.
Most parts of the prior aeroengine case part are provided with holes, and the types of the holes are various, such as through holes and blind holes; locating holes, threaded holes, etc. The manner of machining the holes is also various, such as dotting, drilling, circular drilling, reaming, boring, hole milling, hole edge chamfering, thread milling and the like. When a technician compiles the program, the numerical control program is compiled manually or by using a template, but the method needs to change parameters in the program, requires the technician to have a certain programming basis, and is unintuitive and tedious; in addition, the programs of the same procedure cannot be used universally due to differences of machine tools, and need to be re-programmed, so that repeated programming work is brought, and programming efficiency is influenced.

Claims (3)

1. A quick hole machining programming method is characterized in that: the rapid hole machining programming method comprises the steps of imaging the characteristics of a machined hole, parameterizing a numerical control program and making the parameterized numerical control program into a standard template corresponding to a machine tool; by carrying out secondary development on the AutoCad, associating the numerical control machine tool, the characteristic graph, the parameters and the program template to manufacture a human-computer interaction interface, and inputting the characteristic parameters of the hole to generate the numerical control program by selecting the machine tool by a user.
2. The rapid hole machining programming method according to claim 1, characterized in that:
1) making a graphical interface, and making a hole characteristic graph according to a cad slide making mode;
2) utilizing cad DCL language to make dialog boxes, nesting the graphics, and making all parameters on an interface;
3) and associating the parameters on the dialog box with the parameters in the program template by using the Autolisp language so as to output the program.
3. The rapid hole machining programming method according to claim 1, characterized in that:
(1) opening AutoCad2004 and above version software, and loading the developed plug-in;
(2) inputting CX in a command bar and returning, and displaying an interface for selecting a machine tool;
(3) selecting a machine tool and determining the machine tool, and then generating an interface for selecting a vertical or horizontal machining mode;
(4) selecting a horizontal machining mode, inputting parameters, and inputting auxiliary parameters such as a program number, a subprogram number, a cutter, a rotating speed, feeding and the like; after finishing, clicking a button to generate a main program, wherein the main program is generated; clicking a 'selection subprogram' button to generate an interface capable of selecting a processing type, such as dotting, depth hole, hole milling, thread milling, chamfer tapping, chamfer milling and the like;
(5) selecting a thread milling machining type, checking the grade of the thread milling cutter to check the diameter and the thread pitch of the thread milling cutter, and inputting a thread milling parameter;
(6) and after clicking is determined, finding the main program and the subprogram from the D disk.
CN201911197720.0A 2019-11-29 2019-11-29 Quick hole machining programming method Pending CN110879570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911197720.0A CN110879570A (en) 2019-11-29 2019-11-29 Quick hole machining programming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911197720.0A CN110879570A (en) 2019-11-29 2019-11-29 Quick hole machining programming method

Publications (1)

Publication Number Publication Date
CN110879570A true CN110879570A (en) 2020-03-13

Family

ID=69729588

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911197720.0A Pending CN110879570A (en) 2019-11-29 2019-11-29 Quick hole machining programming method

Country Status (1)

Country Link
CN (1) CN110879570A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111679631A (en) * 2020-05-26 2020-09-18 东莞市机明软件科技有限公司 Tool path parameter template self-adaptive dynamic adjustment method based on PowerMILL secondary development
CN112612246A (en) * 2020-12-23 2021-04-06 北京发那科机电有限公司 Machine tool control method and device
CN114115128A (en) * 2021-11-12 2022-03-01 中国航发沈阳黎明航空发动机有限责任公司 Method for efficiently machining multiple sample holes
CN114237158A (en) * 2021-11-16 2022-03-25 广州明珞自动化有限公司 Automatic programming method, system and computer storage medium

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103988135A (en) * 2012-12-10 2014-08-13 三菱电机株式会社 Nc program searching method, nc program searching unit, nc program creating method, and nc program creating unit
CN104360638A (en) * 2014-10-29 2015-02-18 沈阳黎明航空发动机(集团)有限责任公司 AutoCad-based hole feature numerical-controlled machining system and method
CN105549539A (en) * 2016-02-23 2016-05-04 中山亚力菲自动化设备有限公司 Drilling lining control system
CN107942950A (en) * 2017-12-04 2018-04-20 中国航发南方工业有限公司 Blind threaded processing control method, control device, processor and storage medium
CN107971534A (en) * 2017-11-24 2018-05-01 中国航发沈阳黎明航空发动机有限责任公司 A kind of processing method of circumference high-efficient milling Deformation control
CN109408992A (en) * 2018-11-03 2019-03-01 常州明浩冶金技术服务有限公司 Auxiliary design method for round steel pass schedule
CN110262400A (en) * 2019-05-20 2019-09-20 河源龙记金属制品有限公司 A kind of processing method of template processing formula generation method and template

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103988135A (en) * 2012-12-10 2014-08-13 三菱电机株式会社 Nc program searching method, nc program searching unit, nc program creating method, and nc program creating unit
CN104360638A (en) * 2014-10-29 2015-02-18 沈阳黎明航空发动机(集团)有限责任公司 AutoCad-based hole feature numerical-controlled machining system and method
CN105549539A (en) * 2016-02-23 2016-05-04 中山亚力菲自动化设备有限公司 Drilling lining control system
CN107971534A (en) * 2017-11-24 2018-05-01 中国航发沈阳黎明航空发动机有限责任公司 A kind of processing method of circumference high-efficient milling Deformation control
CN107942950A (en) * 2017-12-04 2018-04-20 中国航发南方工业有限公司 Blind threaded processing control method, control device, processor and storage medium
CN109408992A (en) * 2018-11-03 2019-03-01 常州明浩冶金技术服务有限公司 Auxiliary design method for round steel pass schedule
CN110262400A (en) * 2019-05-20 2019-09-20 河源龙记金属制品有限公司 A kind of processing method of template processing formula generation method and template

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111679631A (en) * 2020-05-26 2020-09-18 东莞市机明软件科技有限公司 Tool path parameter template self-adaptive dynamic adjustment method based on PowerMILL secondary development
CN111679631B (en) * 2020-05-26 2023-01-17 东莞市机明软件科技有限公司 Tool path parameter template self-adaptive dynamic adjustment method based on PowerMILL secondary development
CN112612246A (en) * 2020-12-23 2021-04-06 北京发那科机电有限公司 Machine tool control method and device
CN114115128A (en) * 2021-11-12 2022-03-01 中国航发沈阳黎明航空发动机有限责任公司 Method for efficiently machining multiple sample holes
CN114237158A (en) * 2021-11-16 2022-03-25 广州明珞自动化有限公司 Automatic programming method, system and computer storage medium

Similar Documents

Publication Publication Date Title
CN110879570A (en) Quick hole machining programming method
Dubovska et al. Implementation of CAD/CAM system CATIA V5 in Simulation of CNC Machining Process
US5991528A (en) Expert manufacturing system
US7761183B2 (en) Methods and systems for producing numerical control program files for controlling machine tools
KR100421788B1 (en) NC program analysis device and processing method in CNC processing
US6671571B1 (en) Method for NC- programming and system for NC- machining
EP0879674B1 (en) Generation of measurement program in nc machining and machining management based on the measurement program
US8005567B2 (en) Method and control system for generating machine tool control data
US20160011584A1 (en) Numerical-control machining-program creation device
JP2017191541A (en) Parameter setting device, parameter setting program, and parameter setting method
EP3088978B1 (en) Control apparatus for machine tool
CN105867309A (en) Multi-type combined-hole-group numerical control processing method
KR100624358B1 (en) Apparatus for integrated tool manufacture and method therefore
KR101506077B1 (en) Numerical control programming method for hole machining and apparatus thereof
CN108829027A (en) Execute program creating method and its device, medium, terminal
US20220107626A1 (en) Method and apparatus for cycle-based programming of a control program for a numerically controlled machine tool
CN115470580A (en) Design method, device and equipment for turning machining of revolving body part and storage medium
Jasiewicz et al. Assistance of machining parameters selection for slender tools in CNC control
CN114115128A (en) Method for efficiently machining multiple sample holes
Zhang et al. A STEP-compliant method for manufacturing knowledge capture
Shchekin et al. Simulation of the Machining of a Bush in the KOMPAS-3D System
EP4303676A1 (en) Information processing device and information processing program
Ioan et al. Drill hole sets manufacturing on CNC machines
Li et al. Modeling and simulation of five-axis virtual machine based on NX
Singh et al. Cnc Machine Handling for Holes Servicing through Programming

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20200313

RJ01 Rejection of invention patent application after publication