CN111722593B - Center hole machining and model selection method - Google Patents
Center hole machining and model selection method Download PDFInfo
- Publication number
- CN111722593B CN111722593B CN202010510106.1A CN202010510106A CN111722593B CN 111722593 B CN111722593 B CN 111722593B CN 202010510106 A CN202010510106 A CN 202010510106A CN 111722593 B CN111722593 B CN 111722593B
- Authority
- CN
- China
- Prior art keywords
- center hole
- machine tool
- lathe
- processing
- machining
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical 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
- G05B19/4155—Numerical 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 programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45129—Boring, drilling
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45136—Turning, lathe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
Abstract
The invention discloses a central hole processing and model selecting method, which comprises the following steps: s100, inputting the model of the lathe to determine the angle of a central hole, and outputting and displaying; s200, inputting a part machining task state to match with a corresponding central hole shape type; s300, inputting the weight and the maximum diameter of the part, judging whether the selected lathe is reasonable, continuing the subsequent steps when the selected lathe is reasonable, and executing the step S100 again when the selected lathe is not reasonable; s400, inputting results of the steps S100, S200 and S300, matching the results with a center hole parameter library, and outputting specific shapes and sizes of center holes; s500, inputting the specific shape and size of the central hole in the step S400 and outputting a numerical control machining program; s600, calling a corresponding cutter according to the cutter parameters in the numerical control machining program and machining according to the numerical control program. Through a preset database and matching logic, the center hole of the shaft part can be automatically selected conveniently and a corresponding numerical control machining program is generated.
Description
Technical Field
The invention belongs to the technical field of machine manufacturing, and particularly relates to a center hole machining and model selection method.
Background
The center hole is a process reference and a processing reference of the shaft part, and the following three parameters are required to be determined when the center hole is selected: firstly, the central hole is divided into three angle types of 60 degrees, 75 degrees and 90 degrees, and the angle is matched with a horizontal lathe center to be arranged; the shape is divided into A type, B type, C type, R type and other shape types of the central hole, each type is suitable for different occasions, the A type is generally used for rough machining, and the B type is used for finish machining; and thirdly, the sizes and the shape types are different, the sizes are respectively suitable for parts with different weights, and the larger the weight is, the larger the size of the corresponding center hole is. Multiple factors need to be considered when the center hole is selected, the reasonable size models are determined according to the shafts with different sizes, the requirement on workers is extremely high, the workers need to be familiar with workshop equipment and have certain professional technical knowledge, a machine tool manual and related technical standards need to be inquired, time and labor are wasted, and a large error risk exists.
The center drilling mode is usually adopted for processing center holes of medium and small shaft parts, the drilling and spot facing process method is mainly adopted for large shaft parts, but the surface quality of the center hole processed by the spot facing drill is unstable, the product quality of the shaft parts can be influenced, and the service life of the lathe center is shortened. With the development and application of numerical control technology, the central hole of the large-scale shaft part can be processed in a numerical control manner by adopting a numerical control boring and milling machine. The existing numerical control machining method is generally to manually compile a central hole machining program in a program interface of a numerical control machine tool, the central hole machining program is machined after being compiled, when a central hole with the same shape is machined subsequently, the previous machining code is required to be modified, the repetitive work is more, the operation is complex, the production efficiency is lower, and the error input is easy to generate.
The defects in the manufacturing process of the center hole are overcome, the operation flow is simplified, the operation difficulty of an operator is reduced, and the accuracy is inevitably improved.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to solve the problems that the existing center hole type selection process is complex and the center hole processing program is difficult to manually compile.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a central hole processing and model selecting method, which comprises the following steps:
s100, inputting the model of the lathe, comparing the model with data in a parameter library of the lathe, determining the angle of a center hole according to the angle matching of the center of the lathe, and outputting and displaying;
s200, inputting a part processing task state, and matching a corresponding shape type of a central hole according to the part processing task state;
s300, inputting the weight and the maximum diameter of the part, judging whether the lathe selected in the step S100 is reasonable, continuing the subsequent steps when the lathe is reasonable, and re-executing the step S100 when the lathe is not reasonable;
s400, inputting results of the steps S100, S200 and S300, matching the results with a center hole parameter library, and selecting and outputting specific shapes and sizes of center holes;
s500, inputting the specific shape and size of the central hole obtained in the step S400, matching the specific shape and size with a machining program database, and outputting a numerical control machining program;
s600, calling a corresponding cutter according to the cutter parameters in the numerical control machining program, and machining according to the numerical control program.
Preferably, in step S100, the machine tool parameter library is a memory including the model of the existing horizontal lathe that can be used for production and processing and related parameters, where the related parameters include parameters such as a machine tool center angle, a maximum processing diameter, a limit load, and a center height.
Preferably, in step S100, when the input lathe model is not in the lathe parameter library, an alarm is triggered.
Preferably, in the step S200, the part processing task state includes conventional rough processing, conventional finish processing and special requirement processing, and when the part processing task state is the conventional rough processing, the a-type central hole is output; outputting a B-shaped center hole when the part processing task state is conventional fine processing; and when the part processing task state is the special requirement processing, outputting the C-shaped central hole.
Preferably, in the step S300, when the weight of the part is greater than the limit load of the machine tool, a feedback of "machine tool overload" is given and an alarm is given; when the weight of the part is in the range of 90% -100% of the limit load of the machine tool, feeding back the full load of the machine tool; when the weight of the part is less than 20% of the limit load of the machine tool, feeding back the 'light load of the machine tool'.
Preferably, in the step S300, when the maximum diameter of the blank is larger than the maximum machining diameter of the machine tool, the diameter overtravel is fed back and an alarm is given; when the maximum diameter of the blank is in the range of 90-100% of the maximum processing diameter of the machine tool, feeding back the diameter full load.
Preferably, in the step S400, the central hole parameter library is a memory containing parameters such as an angle, an aperture, a depth, and a maximum weight of a part corresponding to each type of central hole.
Preferably, in step S500, the parameters of the numerical control machining program include a size parameter of the central hole and a parameter of the selected tool.
Preferably, the numerical control machining program further comprises a back-cut amount ap, and when the selected cutter is a sharp blade, the back-cut amount ap has the following relationship with the normal height c of the residual step: a ═ c/sin (α/2), where α is the central pore angle; when the selected cutter is a circular blade with the radius of R, the back draft ap and the normal height c of the residual step have the following relationship:
3. advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention discloses a central hole processing and model selecting method, which comprises the following steps: s100, inputting the model of the lathe, comparing the model with data of a machine tool parameter library, determining the angle of a central hole according to the angle matching of the center of the machine tool, and outputting and displaying; s200, inputting a part processing task state, and matching a corresponding shape type of a central hole according to the part processing task state; s300, inputting the weight and the maximum diameter of the part, judging whether the lathe selected in the step S100 is reasonable, continuing the subsequent steps when the lathe is reasonable, and re-executing the step S100 when the lathe is not reasonable; s400, inputting results of the steps S100, S200 and S300, matching the results with a center hole parameter library, and selecting and outputting specific shapes and sizes of center holes; s500, inputting the specific shape and size of the central hole obtained in the step S400, matching the specific shape and size with a machining program database and outputting a numerical control machining program; s600, calling a corresponding cutter according to the cutter parameters in the numerical control machining program, and machining according to the numerical control program. Through a preset database and matching logic, the automatic type selection can be conveniently carried out on the center hole of the shaft part, and a corresponding numerical control machining program is generated. The method not only simplifies the procedure, greatly reduces the preparation time and the processing risk of the center hole processing, but also effectively improves the processing efficiency and the quality of the product.
Drawings
Fig. 1 is a flow chart of a center hole processing and selecting method according to the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1, a center hole machining and selecting method according to the present embodiment includes the following steps:
s100, inputting the model of the lathe, comparing the model with data in a parameter library of the lathe, determining the angle of a center hole according to the angle matching of the center of the lathe, and outputting and displaying;
s200, inputting a part processing task state, and matching a corresponding shape type of a central hole according to the part processing task state;
s300, inputting the weight and the maximum diameter of the part, judging whether the lathe selected in the step S100 is reasonable, continuing the subsequent steps when the lathe is reasonable, and re-executing the step S100 when the lathe is not reasonable;
s400, inputting the results of the steps S100 and S200, matching the results with a center hole parameter library, and selecting and outputting the specific shape and size of the center hole;
s500, inputting the specific shape and size of the central hole obtained in the step S400, matching the specific shape and size with a machining program database and outputting a numerical control machining program;
s600, calling a corresponding cutter according to the cutter parameters in the numerical control machining program, and machining according to the numerical control program.
According to the method, the central hole of the shaft part can be automatically and conveniently selected and a corresponding numerical control machining program can be generated through the preset database and the preset matching logic. The method not only simplifies the procedure, greatly reduces the preparation time and the processing risk of the center hole processing, but also effectively improves the processing efficiency and the quality of the product.
In step S100 of this embodiment, the machine tool parameter library is a memory including the model of the existing horizontal lathe that can be used for production and processing and related parameters, where the related parameters include parameters such as a machine tool center angle, a maximum processing diameter, a limit bearing, a center height, and the like. And when the input lathe model is not in the lathe parameter library, triggering an alarm to prevent subsequent adverse effects caused by wrong lathe model selection.
In step S200 of this embodiment, the part processing task state includes conventional rough machining, conventional finish machining, and special requirement machining, and when the part processing task state is the conventional rough machining, the a-type center hole is output; outputting a B-shaped center hole when the part processing task state is conventional fine processing; and when the part processing task state is the special requirement processing, outputting the C-shaped central hole.
In step S300 of this embodiment, when the weight of the part is greater than the limit load of the machine tool, "overload of the machine tool" is fed back and an alarm is given; when the weight of the part is in the range of 90% -100% of the limit load of the machine tool, feeding back the full load of the machine tool; when the weight of the part is less than 20% of the limit load of the machine tool, feeding back 'light load of the machine tool'. In step S300, when the maximum diameter of the blank is larger than the maximum machining diameter of the machine tool, feeding back 'diameter overtravel' and alarming; when the maximum diameter of the blank is in the range of 90-100% of the maximum processing diameter of the machine tool, feeding back the diameter full load.
In step S400 of this embodiment, the center hole parameter library is a memory containing parameters such as angle, aperture, depth, and maximum weight of the parts corresponding to each type of center hole. Aiming at each type number of center holes in the center hole parameter library, respectively matching corresponding machining tools, and summarizing the machining tool parameters serving as the center holes to the center hole parameter library;
in step S500 of this embodiment, the parameters of the numerical control machining program include a size parameter of the central hole and a parameter of the selected tool. The numerical control machining program further comprises a back draft ap, and when the selected cutter is a sharp blade, the back draft ap has the following relation with the normal height c of the residual step: a ═ c/sin (α/2), where α is the central pore angle; when the selected cutter is a circular blade with the radius of R, the back draft ap and the normal height c of the residual step have the following relationship:
when a numerical control boring and milling machine is adopted to process a center hole, annular steps are inevitably remained on a conical circle of the center hole, and the larger the back cutting depth is, the larger the steps are. When a sharp blade or a round blade is adopted for processing, steps with different sizes can be remained in the same back cutting amount, and the functional relation between the height of the annular step and the back cutting amount is obtained through calculation and is used as the basis of the cutting amount in a numerical control program.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A center hole machining and selecting method is characterized by comprising the following steps:
s100, inputting the model of the lathe, comparing the model with data of a machine tool parameter library, determining the angle of a central hole according to the angle matching of the center of the machine tool, and outputting and displaying;
s200, inputting a part processing task state, and matching a corresponding shape type of a central hole according to the part processing task state;
s300, inputting the weight and the maximum diameter of the part, judging whether the lathe selected in the step S100 is reasonable, continuing the subsequent steps when the lathe is reasonable, and re-executing the step S100 when the lathe is not reasonable;
s400, inputting results of the steps S100, S200 and S300, matching the results with a center hole parameter library, and selecting and outputting specific shapes and sizes of center holes;
s500, inputting the specific shape and size of the central hole obtained in the step S400, matching the specific shape and size with a machining program database and outputting a numerical control machining program;
s600, calling a corresponding cutter according to the cutter parameters in the numerical control machining program, and machining according to the numerical control program.
2. The center hole machining selection method according to claim 1, wherein: in the step S100, the machine tool parameter library is a memory including the model of the existing horizontal lathe that can be used for production and processing and related parameters, and the related parameters include a machine tool center angle, a maximum processing diameter, a limit bearing and a center height parameter.
3. The center hole machining and selecting method according to claim 1, wherein: in the step S100, when the input lathe model is not in the lathe parameter library, an alarm is triggered.
4. The center hole machining and selecting method according to claim 1, wherein: in the step S200, the part processing task state comprises conventional rough processing, conventional finish processing and special requirement processing, and when the part processing task state is conventional rough processing, an A-shaped center hole is output; outputting a B-shaped center hole when the part processing task state is conventional fine processing; and when the part processing task state is the special requirement processing, outputting the C-shaped central hole.
5. The center hole machining and selecting method according to claim 1, wherein: in the step S300, when the weight of the part is greater than the limit load of the machine tool, the 'overload of the machine tool' is fed back and an alarm is given; when the weight of the part is in the range of 90% -100% of the limit load of the machine tool, feeding back the full load of the machine tool; when the weight of the part is less than 20% of the limit load of the machine tool, feeding back the 'light load of the machine tool'.
6. The center hole machining and selecting method according to claim 1, wherein: in the step S300, when the maximum diameter of the blank is larger than the maximum processing diameter of the machine tool, feeding back 'diameter overtravel' and alarming; when the maximum diameter of the blank is in the range of 90% -100% of the maximum processing diameter of the machine tool, feeding back 'diameter full load'.
7. The center hole machining selection method according to claim 1, wherein: in step S400, the center hole parameter library is a memory containing the angle, the aperture, the depth, and the maximum weight parameter of the part corresponding to each type of center hole.
8. The center hole machining and selecting method according to claim 1, wherein: in the step S500, the parameters of the numerical control machining program include a size parameter of the central hole and a parameter of the selected tool.
9. The center hole machining and selecting method according to claim 8, wherein: the numerical control machining program further comprises a back draft ap, and when the selected cutter is a sharp blade, the back draft ap has the following relation with the normal height c of the residual step: a ═ c/sin (α/2), where α is the central pore angle; when the selected cutter is a circular blade with the radius of R, the back draft ap and the normal height c of the residual step have the following relationship:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510106.1A CN111722593B (en) | 2020-06-08 | 2020-06-08 | Center hole machining and model selection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510106.1A CN111722593B (en) | 2020-06-08 | 2020-06-08 | Center hole machining and model selection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111722593A CN111722593A (en) | 2020-09-29 |
| CN111722593B true CN111722593B (en) | 2022-07-12 |
Family
ID=72566235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010510106.1A Active CN111722593B (en) | 2020-06-08 | 2020-06-08 | Center hole machining and model selection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111722593B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357667A (en) * | 2011-09-23 | 2012-02-22 | 四川省广汉三阳机械制造有限公司 | Pilger roller pass processing and control method |
| KR101506077B1 (en) * | 2013-05-30 | 2015-03-25 | 지엠 글로벌 테크놀러지 오퍼레이션스 엘엘씨 | Numerical control programming method for hole machining and apparatus thereof |
| CN103294810B (en) * | 2013-05-31 | 2016-04-06 | 天津大学 | A kind of fixed combinating surface database towards machine tool fast design and method for building up thereof |
-
2020
- 2020-06-08 CN CN202010510106.1A patent/CN111722593B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111722593A (en) | 2020-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5991528A (en) | Expert manufacturing system | |
| US6772038B2 (en) | Machining-related information generating apparatus and numerical controller having the same | |
| KR101257275B1 (en) | Intelligent cnc machine tool with automatic processing function and control method thereof | |
| US20080109097A1 (en) | Machining step generating apparatus | |
| CN113189937B (en) | Integrated management method, system and application of tools of automatic production line of aviation parts | |
| CN112904800A (en) | Intelligent machine tool optimization method and auxiliary system | |
| KR20190142284A (en) | CNC lathe for cutting and cutting a ring shape material | |
| CN108262591A (en) | A kind of five shaft vertical turning-milling complex processing method of aero-engine casing | |
| CN111722593B (en) | Center hole machining and model selection method | |
| CN111702533A (en) | Intelligent processing method and system for improving aviation product processing | |
| CN204449357U (en) | Boring cylindrical instrument | |
| JP2002283191A (en) | Blade tool selecting method and automatic tool determining device | |
| CN203031047U (en) | Combined reaming and milling cutter | |
| CN111650885A (en) | Automatic programming method for numerical control machine tool | |
| Pande et al. | PC-CAPP—a computer-assisted process planning system for prismatic components | |
| JPH0631590A (en) | Preparation of tool transfer passage for nc working | |
| CN110321370B (en) | Tool holder matching method based on RBR and tool holder matching method of gear hobbing machine | |
| JPH06155235A (en) | Control device for boring | |
| CN112496674A (en) | Universal joint fork machining method | |
| CN116736799A (en) | Code conversion method of numerical control system based on woodworking | |
| JP2020144729A (en) | Machine tool having automatic correction function for tool replacement | |
| CN204545543U (en) | The den milling cutter of side rivet hole | |
| CN204135343U (en) | A kind of for the assembled tool from plate front in locomotive buffer unit | |
| CN209394045U (en) | A kind of compound tool | |
| CN211192179U (en) | Counter boring cutter and workpiece fixture |
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 |