WO2022163634A1 - 表示装置及びコンピュータプログラム - Google Patents
表示装置及びコンピュータプログラム Download PDFInfo
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- WO2022163634A1 WO2022163634A1 PCT/JP2022/002613 JP2022002613W WO2022163634A1 WO 2022163634 A1 WO2022163634 A1 WO 2022163634A1 JP 2022002613 W JP2022002613 W JP 2022002613W WO 2022163634 A1 WO2022163634 A1 WO 2022163634A1
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- WIPO (PCT)
- Prior art keywords
- surface roughness
- tool
- display
- work
- workpiece
- Prior art date
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- 238000004590 computer program Methods 0.000 title claims abstract description 5
- 230000003746 surface roughness Effects 0.000 claims abstract description 111
- 238000005520 cutting process Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 15
- 230000010355 oscillation Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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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
- G05B19/416—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 control of velocity, acceleration or deceleration
-
- 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
- G05B19/406—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 monitoring or safety
- G05B19/4068—Verifying part programme on screen, by drawing or other means
-
- 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
- G05B19/19—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 positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
- G05B19/21—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 positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device
- G05B19/23—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 positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using an incremental digital measuring device for point-to-point control
-
- 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
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35312—Display working state, process
-
- 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
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35492—Display needed workpiece, tool or data to continue execution of program
-
- 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
- G05B2219/37—Measurements
- G05B2219/37402—Flatness, roughness of surface
-
- 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
Definitions
- the present invention relates to display devices and computer programs.
- a display device is based on the feed speed along the relative cutting feed direction between the work and the tool and the shape of the tool in turning processing in which the relative cutting feed speed between the work and the tool changes.
- a surface roughness calculator for calculating data on the surface roughness of the workpiece; and data on the surface roughness of the workpiece based on the calculated data on the surface roughness and preset display settings.
- a display control unit that controls to display on the display unit.
- a computer program in turning processing in which the relative cutting feed rate between the work and the tool changes, the feed rate along the relative cutting feed direction between the work and the tool and the feed rate of the tool calculating data about the surface roughness of the workpiece based on the shape; and calculating data about the surface roughness at an arbitrary position of the workpiece based on the calculated data about the surface roughness and preset display settings. and a step of controlling the data to be displayed on the display unit.
- 4A and 4B show examples of data on the surface roughness of a workpiece displayed by the display device according to the embodiment; 4A and 4B show examples of data on the surface roughness of a workpiece displayed by the display device according to the embodiment; 4A and 4B show examples of data on the surface roughness of a workpiece displayed by the display device according to the embodiment; 4 is a flow chart showing the flow of processing by the display device according to the embodiment;
- FIG. 1 is a diagram showing an overview of a display device 1 according to this embodiment.
- the display device 1 may be, for example, a numerical controller connected to the machine tool 2 as shown in FIG. 1, or a computer device having a servo guide and connected to the numerical controller. good.
- the machine tool 2 is a device for turning a workpiece, and is directly or indirectly connected to the display device 1.
- the machine tool 2 is a device for performing oscillating cutting on a work, and is directly or indirectly connected to the display device 1 .
- the machine tool 2 has a general configuration for performing oscillating cutting such as a tool, a spindle, and a feed shaft.
- the machine tool 2 for performing oscillating cutting will be described below. It may be a device for performing.
- the display device 1 includes a swing condition setting unit 11, a tool path information generation unit 12, a surface roughness calculation unit 13, a display control unit 14, a display unit 15, and an operation unit 16.
- the swing condition setting unit 11 sets the swing conditions (for example, spindle speed, spindle feed amount, swing rate, etc.) for performing swing cutting in which the workpiece and the tool are relatively vibrated based on the machining program, the machining conditions, and the like. vibration frequency, vibration amplitude, etc.).
- the tool path information generation unit 12 generates tool path information regarding tool paths based on the swing conditions set by the swing condition setting unit 11 .
- the tool path information generator 12 generates tool path information from, for example, simulation of command values of a machining program.
- the tool path information generation unit 12 may operate the machine tool 2 and generate tool path information from feedback from the machine tool 2 .
- the tool path information includes, for example, information for displaying the tool path on the display unit 15, such as the spindle angle, feed axis position, feed amount per rotation, and the like.
- the surface roughness calculator 13 calculates the surface roughness of the work based on the feed rate along the relative cutting feed direction between the work and the tool and the shape of the tool in turning processing in which the relative cutting feed rate between the work and the tool changes. calculate the data on the
- calculating the data on the surface roughness of the work means, for example, calculating the surface roughness at an arbitrary position of the work, calculating the surface roughness at a plurality of points in the circumferential direction of the work, and calculating the average surface roughness and calculating the surface roughness at a plurality of locations in the circumferential direction of the workpiece, and calculating an evaluation index representing the variation of the surface roughness.
- the surface roughness calculator 13 calculates the Calculate the shape of the workpiece after machining. Then, the surface roughness calculator 13 calculates the surface roughness from the coordinates of the point group of the calculated surface of the post-machining workpiece, using a generally known defining expression of surface roughness.
- the display control unit 14 controls the display unit 15 to display the data regarding the surface roughness at an arbitrary position of the work based on the calculated data regarding the surface roughness of the work and the preset display settings.
- the display setting indicates a mode for displaying data on the calculated surface roughness of the workpiece on the display unit 15 .
- the display unit 15 is, for example, a liquid crystal display, an organic EL display, or the like.
- the display unit 15 displays information regarding the surface roughness and the like at any position of the workpiece as described above, under the control of the display control unit 14 .
- the operation unit 16 may have physical operation keys and/or buttons, or may have a touch panel in which the display unit and the operation unit are integrated. Also, the operation unit 16 may have both a touch panel and physical operation keys and/or buttons.
- the display device 1 performs the following processing in the swing cutting process in which the workpiece and the tool are relatively reciprocated.
- the swing condition setting unit 11 sets swing conditions including the feed rate and the shape of the tool in swing cutting.
- the tool path information generation unit 12 generates tool path information regarding tool paths based on the swing conditions set by the swing condition setting unit 11 .
- the surface roughness calculator 13 calculates data about the surface roughness of the workpiece based on the swing condition set by the swing condition setting unit 11 and the tool path information generated by the tool path information generator 12. .
- the display control unit 14 controls the display unit 15 to display the data regarding the surface roughness at an arbitrary position of the work based on the calculated data regarding the surface roughness of the work and the preset display settings. .
- the display device 1 can calculate the data on the surface roughness of the workpiece and display the data on the surface roughness of the workpiece on the display unit 15 in the oscillating cutting process.
- the display control unit 14 displays the numerical value of the surface roughness of the work at the designated arbitrary position, as well as the processed surface of the work at the designated arbitrary position. Display the shape of the surface roughness.
- the method of specifying an arbitrary position may include specifying the length direction of the workpiece along with the phase of the workpiece, and further specifying the range used for calculating the surface roughness (measurement distance of the surface roughness). may include
- the display control unit 14 highlights the surface roughness value at an arbitrary position of the workpiece based on the calculated data on the surface roughness of the workpiece and the preset display settings. Specifically, when the calculated surface roughness of the work is a certain value or more (for example, the surface roughness is larger than a certain standard value), the display control unit 14 displays an arbitrary value of the work. The surface roughness value at the location may be highlighted in red.
- FIGS. 2 to 4 are diagrams showing examples of surface roughness of data related to workpieces displayed by the display device 1 according to the present embodiment.
- the display control unit 14 displays a tool model 31 of the machine tool 2 , a workpiece model 32 of the machine tool 2 , and tool paths 33 on the display unit 15 .
- a workpiece model 32 is oscillatingly cut by a tool model 31 while rotating along the central axis.
- the tool path 33 is displayed on the model 32 of the work and also on the model 32a that is a two-dimensional representation of the work.
- the display control unit 14 displays data 34 regarding processing conditions and data 35 regarding surface roughness on the display unit 15 .
- the data 34 relating to the machining conditions includes oscillation frequency magnification I [times], oscillation amplitude magnification K [times], feed rate F [mm/rev], and cutting edge corner radius R [mm].
- the oscillation frequency magnification I [times], the oscillation amplitude magnification K [times], the feed rate F [mm/rev], and the corner radius R [mm] of the cutting edge are parameters included in the oscillation conditions or machining conditions. Note that the corner radius R is input to the display device 1 by the user using the operation unit 16, for example.
- the data 35 on the surface roughness includes the average value [mm] of the surface roughness Ra, the standard deviation [mm] of the surface roughness Ra, and the surface roughness Ra [mm] at the specified position on the workpiece.
- the average value of the surface roughness Ra indicates the average value of the surface roughness Ra in each phase of one rotation of the work.
- the standard deviation of the surface roughness Ra indicates the standard deviation of the surface roughness Ra in each phase of one revolution of the work.
- the data 35 on the surface roughness is obtained by, for example, calculating the surface roughness at intervals of 10° in the phase of the workpiece from 0 to 360°, and calculating the average value or standard deviation of the surface roughness. can get.
- the data 35 on the surface roughness is based on the rocking condition set by the rocking condition setting unit 11 and the tool surface roughness generated by the tool path information generating unit 12 . It is calculated by the surface roughness calculator 13 based on the route information.
- the display control unit 14 displays the surface roughness shape 36 at the first designated position on the workpiece on the display unit 15.
- FIG. The displayed surface roughness shape 36 indicates the shape of the surface roughness of the work in the dashed line portion on the model 32a showing the work two-dimensionally when the work is viewed in cross section.
- the display control unit 14 displays the surface roughness shape 37 at the second specified position on the workpiece on the display unit 15.
- FIG. The displayed surface roughness shape 37 indicates the shape of the surface roughness of the work in the dashed line portion on the model 32a showing the work two-dimensionally when the work is viewed in cross section.
- the display control unit 14 controls the work by the user moving the cursor displayed on the display unit 15 up and down using the keys forming the operation unit 16 or by the user inputting numerical values using the keys forming the operation unit 16 . Specifies the phase of
- the display control unit 14 displays the surface roughness Ra at the designated position of the data 35 regarding the surface roughness at the phase, and displays the surface roughness Ra of the machined surface of the work at the phase of the work.
- the height shape 36 or 37 is displayed.
- the user of the display device 1 can switch the surface roughness Ra of the designated position of the data 35 regarding surface roughness by operating the operation unit 16 . Further, the user of the display device 1 can switch the display of the surface roughness shape 36 or 37 of the processed surface of the workpiece by operating the operation unit 16 .
- FIG. 5 is a flow chart showing the flow of processing by the display device 1 according to this embodiment.
- the swing condition setting unit 11 sets swing conditions for performing swing cutting in which the workpiece and the tool are relatively vibrated based on the machining program, the machining conditions, and the like.
- step S ⁇ b>2 the tool path information generation unit 12 generates tool path information regarding the tool path based on the swing conditions set by the swing condition setting unit 11 .
- step S3 the surface roughness calculator 13 determines the surface roughness of the workpiece based on the swing condition set by the swing condition setting unit 11 and the tool path information generated by the tool path information generator 12. Calculate the data.
- step S4 the display control unit 14 causes the display unit 15 to display the data regarding the surface roughness at an arbitrary position of the work based on the calculated data regarding the surface roughness of the work and the preset display settings. Control.
- the display device 1 can detect the feed rate along the relative cutting feed direction between the work and the tool and the shape of the tool in turning processing in which the relative cutting feed rate between the work and the tool changes. Based on the surface roughness calculation unit 13 for calculating data related to the surface roughness of the work, and based on the calculated data related to the surface roughness and the preset display setting, the surface roughness at an arbitrary position of the work and a display control unit 14 that controls to display data on the display unit 15 .
- the display device 1 can easily check the data on the surface roughness of the workpiece in the turning process, and the user of the display device 1 can use the data on the surface roughness of the workpiece to improve the quality of machining. It can be useful for examination of conditions and processing methods.
- the display device 1 is used in the turning process in which the workpiece and the tool are reciprocatingly vibrated relative to each other. It further includes a condition setting unit 11 and a tool path information generation unit 12 that generates tool path information related to the tool path based on the swing condition. Based on this, data on the surface roughness are calculated.
- the user of the display device 1 can easily check the data on the surface roughness of the workpiece in the orbital machining, and the data on the surface roughness of the workpiece can be used as the machining conditions and machining method for improving the machining quality. can be useful for consideration of
- the display control unit 14 displays the numerical value of the surface roughness at the designated arbitrary position, and also displays the shape of the surface roughness of the processed surface of the work at the designated arbitrary position. display. Thereby, the user of the display device 1 can easily confirm the numerical value of the surface roughness and the shape of the surface roughness of the workpiece.
- the display device 1 can be realized by hardware, software, or a combination thereof. Also, the control method performed by the display device 1 described above can be realized by hardware, software, or a combination thereof.
- “implemented by software” means implemented by a computer reading and executing a program.
- Non-transitory computer-readable media include various types of tangible storage media.
- Examples of non-transitory computer-readable media include magnetic recording media (e.g., hard disk drives), magneto-optical recording media (e.g., magneto-optical discs), CD-ROMs (Read Only Memory), CD-Rs, CD-R/ W, semiconductor memory (eg, mask ROM, PROM (programmable ROM), EPROM (erasable PROM), flash ROM, RAM (random access memory)).
- the surface roughness index is not limited to the arithmetic mean roughness, and other commonly known surface roughness indices such as the maximum height Rz are applied. can do.
- the evaluation index representing the variation may be a relative evaluation index representing the degree of variance or a predefined variation.
- REFERENCE SIGNS LIST 1 display device 2 machine tool 11 oscillation condition setting unit 12 tool path information generation unit 13 surface roughness calculation unit 14 display control unit 15 display unit 16 operation unit
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Abstract
Description
ステップS1において、揺動条件設定部11は、加工プログラム、加工条件等に基づいて、ワークと工具とを相対的に振動させる揺動切削を行うための揺動条件を設定する。
なお、上述した実施形態において、表面粗さの指標は、算術平均粗さだけに限定されず、最大高さRz等のような、他の一般的に知られている表面粗さの指標を適用することができる。また、ばらつきを表す評価指数は、標準偏差以外にも、分散又は予め定義したばらつきの程度を表す相対的な評価指数を用いてもよい。
2 工作機械
11 揺動条件設定部
12 工具経路情報生成部
13 表面粗さ算出部
14 表示制御部
15 表示部
16 操作部
Claims (4)
- ワークと工具との相対切削送り速度が変化する旋削加工において、前記ワークと前記工具との相対切削送り方向に沿った送り速度及び前記工具の形状に基づいて、前記ワークの表面粗さに関するデータを算出する表面粗さ算出部と、
算出された前記表面粗さに関するデータ及び予め設定された表示設定に基づいて、前記ワークの前記表面粗さに関するデータを表示部に表示するように制御する表示制御部と、
を備える表示装置。 - 前記旋削加工のうち、前記ワークと前記工具とを相対的に往復振動させる揺動切削加工において、前記送り速度及び前記工具の形状を含む揺動条件を設定する揺動条件設定部と、
前記揺動条件に基づいて、工具経路に関する工具経路情報を生成する工具経路情報生成部と、を更に備え、
前記表面粗さ算出部は、前記揺動条件及び前記工具経路情報に基づいて、前記表面粗さに関するデータを算出する、
請求項1に記載の表示装置。 - 前記表示制御部は、指定した任意位置における前記表面粗さの数値を表示すると共に、指定した任意位置における加工表面の表面粗さの形状を表示する、請求項2に記載の表示装置。
- コンピュータに、
ワークと工具との相対切削送り速度が変化する旋削加工において、前記ワークと前記工具との相対切削送り方向に沿った送り速度及び前記工具の形状に基づいて、前記ワークの表面粗さに関するデータを算出するステップと、
算出された前記表面粗さに関するデータ及び予め設定された表示設定に基づいて、前記ワークの任意位置における前記表面粗さに関するデータを表示部に表示するように制御するステップと、
を実行させるためのコンピュータプログラム。
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DE112022000311.1T DE112022000311T5 (de) | 2021-01-28 | 2022-01-25 | Anzeigevorrichtung und Computerprogramm |
CN202280011164.7A CN116745709A (zh) | 2021-01-28 | 2022-01-25 | 显示装置和计算机程序 |
JP2022578401A JPWO2022163634A1 (ja) | 2021-01-28 | 2022-01-25 | |
US18/261,234 US20240069528A1 (en) | 2021-01-28 | 2022-01-25 | Display device and computer program |
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JP2021011955 | 2021-01-28 | ||
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CN (1) | CN116745709A (ja) |
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JP2019191857A (ja) * | 2018-04-24 | 2019-10-31 | ファナック株式会社 | 表示装置 |
JP6674076B1 (ja) * | 2019-07-23 | 2020-04-01 | ヤマザキマザック株式会社 | 工作機械、工作機械のための入力支援方法、及び工作機械のためのプログラム |
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- 2022-01-25 DE DE112022000311.1T patent/DE112022000311T5/de active Pending
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JP2019191857A (ja) * | 2018-04-24 | 2019-10-31 | ファナック株式会社 | 表示装置 |
JP6674076B1 (ja) * | 2019-07-23 | 2020-04-01 | ヤマザキマザック株式会社 | 工作機械、工作機械のための入力支援方法、及び工作機械のためのプログラム |
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DE112022000311T5 (de) | 2023-09-14 |
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