WO2021182304A1 - 工作機械の制御装置 - Google Patents
工作機械の制御装置 Download PDFInfo
- Publication number
- WO2021182304A1 WO2021182304A1 PCT/JP2021/008489 JP2021008489W WO2021182304A1 WO 2021182304 A1 WO2021182304 A1 WO 2021182304A1 JP 2021008489 W JP2021008489 W JP 2021008489W WO 2021182304 A1 WO2021182304 A1 WO 2021182304A1
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- WO
- WIPO (PCT)
- Prior art keywords
- command
- swing
- correction amount
- work
- spindle
- Prior art date
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Classifications
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- 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
- G05B19/182—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 the machine tool function, e.g. thread cutting, cam making, tool direction control
-
- 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
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
-
- 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
- G05B19/404—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 arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
-
- 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
- G05B19/4093—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 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
-
- 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
-
- 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
- G05B2219/49—Nc machine tool, till multiple
- G05B2219/49055—Remove chips from probe, tool by vibration
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Definitions
- the present invention relates to a control device for a machine tool.
- the cutting edge of the cutting tool usually scrapes the material on the surface of the work continuously, so depending on the material of the work, the scraped material becomes elongated shavings (chips).
- the shavings may cling to the cutting tool and hinder the machining of the workpiece.
- Patent Document 1 a technique for performing rocking cutting on a work is known. In oscillating cutting, the cutting tool is reciprocated at a predetermined number of vibrations so that the oscillating phases intersect with respect to the workpiece rotating around the spindle.
- the cutting tool passes through the portion where the surface of the work has already been scraped at the intersection of the oscillating phases, so that the cutting tool temporarily separates from the work (swings). ). Since the swing phases intersect periodically on the surface of the work, the cutting tool periodically separates from the surface of the work (swings). Therefore, the shavings are shredded to a certain length, and the problem that the shavings cling to the cutting tool is solved.
- the cutting tool When oscillating cutting is performed on a work, for example, in a servo control device that controls a feed shaft, the cutting tool is reciprocated at a predetermined number of vibrations in response to a position command for moving the cutting tool along the feed shaft.
- the swing command for this is superimposed. This swing command is calculated based on the feed amount for each rotation of the cutting tool during cutting (the position of the cutting tool for each rotation of the spindle) and the rotation speed of the spindle.
- the spindle control unit rotates the spindle according to the command from the CNC, and the feedback is notified to the servo control device. Therefore, there is a notification delay in the spindle speed used to calculate the swing command.
- One aspect of the present disclosure is a control device for a machine tool that controls a machine tool that cuts a work with a cutting tool by coordinating the spindle and the feed shaft, and the rotation speed of the spindle and the cutting with respect to the work. From the position command of the relative position of the tool to the swing command calculation unit that calculates the swing command that relatively swings the cutting tool and the work, and the swing command calculation unit of the rotation speed of the spindle. It includes a correction amount calculation unit that calculates a correction amount corresponding to the notification delay, and a correction amount superimposing unit that superimposes the correction amount on the swing command.
- a machine tool control device capable of reliably shredding shavings even if a notification delay occurs when performing rocking cutting.
- FIG. 1 is an explanatory diagram illustrating a state in which swing cutting is performed on a work by a machine tool according to one aspect of the present disclosure.
- FIG. 2 is a block diagram showing a configuration of a machine tool control device according to one aspect of the present disclosure.
- the machine tool 100 is an NC lathe that cuts a work W to be machined using a cutting tool T.
- the machine tool 100 includes a spindle 101 that rotates the work W relative to the cutting tool T, a feed shaft 102 that moves the cutting tool T relative to the work W in the Z-axis direction parallel to the rotation axis of the spindle 101, and cutting. It has at least three control axes of a notch shaft 103 that moves the tool T relative to the work W in the X-axis direction, which is the radial direction of the spindle 101. In the machine tool 100, these three control shafts 101, 102, and 103 cooperate with each other to perform cutting on the work W.
- the spindle 101 is configured to rotate the work W with respect to the cutting tool T around the rotation axis of the spindle 101
- the feed shaft 102 is configured to rotate the cutting tool T with respect to the work W. It is configured to move along the axial direction of the feed shaft 102.
- the feed shaft 102 performs both an operation of feeding and moving the cutting tool T in the Z-axis direction along the rotation axis direction of the spindle 101 and a reciprocating movement of the cutting tool T along the Z-axis direction, that is, an operation of swinging. be able to.
- the cutting shaft 103 is configured to move the cutting tool T with respect to the work W in the X-axis direction, which is the radial direction of the spindle 101.
- the work W shown in FIG. 1 is a work having an outer diameter different in the Z-axis direction. That is, the work W has a tapered outer shape in which the outer diameter gradually decreases from the left to the right in the figure.
- the cutting tool T is fed while reciprocating in either the Z-axis direction or the X-axis direction with respect to the outer peripheral surface of the work W.
- the feed shaft 102 and the cut shaft 103 cooperate with each other.
- the machine tool 100 has a drive motor that drives these control shafts 101, 102, 103.
- the spindle motor 110 which is a drive motor for driving the spindle 101
- the feed shaft motor 120 which is a drive motor for driving the feed shaft 102
- the machine tool 100 includes a command unit 10 that outputs a command for rotationally driving the spindle 101 to the spindle motor 110, a servo control device 20 that controls the drive of the feed shaft motor 120, and the servo control device 20.
- a command unit 10 that outputs a command for rotationally driving the spindle 101 to the spindle motor 110
- a servo control device 20 that controls the drive of the feed shaft motor 120
- the servo control device 20 To be equipped.
- the command unit 10 is composed of, for example, a CNC (Computer Numerical Control) or a control device for the spindle 101.
- the command unit 10 is communicably connected to the spindle motor 110 and the servo control device 20, and outputs a command including the rotation speed of the spindle 101 to the spindle motor 110. Further, the actual rotation speed of the spindle 101 acquired from the spindle motor 110 is also output to the servo control device 20.
- the command unit 10 may control the rotation speed of the spindle 101 so that the peripheral speed of the work W with respect to the cutting tool T during cutting is constant in consideration of the tool life and the like. That is, when cutting the tapered work W shown in FIG. 1, the command unit 10 makes the peripheral speed of the work W constant with respect to the spindle motor 110 and the cutting tool T at the time of cutting. Therefore, a command for changing the rotation speed of the spindle 101 is output. Therefore, the command unit 10 commands the positions of the feed shaft 102 and the cut shaft 103 based on the speed command of the spindle 101 (spindle motor 110) and the feed speed of the cutting tool T along the feed shaft 102 and the cut shaft 103.
- This position command is a command for instructing the target position when the cutting tool T is sent in the direction (machining direction) along the bus line of the outer peripheral surface of the work W.
- the servo control device 20 controls the feed movement of the cutting tool T along the axial direction of the feed shaft 102 with respect to the work W by controlling the drive of the feed shaft motor 120.
- the servo control device 20 includes a swing command calculation unit 21, a correction amount calculation unit 22, an adder 23, and a subtractor 24.
- the servo control device 20 uses a computer provided with a memory such as a ROM (Read Only Memory) and a RAM (Random Access Memory), a CPU (Control Processing Unit), and a communication control unit connected to each other via a bus. Can be configured. Therefore, the function or operation of each part of the servo control device 20 can be achieved by the cooperation of the CPU mounted on the computer, the memory, and the control program stored in the memory.
- the swing command calculation unit 21 cuts while the cutting tool T contacts and separates (misses) the work W based on the position command sent from the command unit 10 to the servo control device 20 and the actual rotation speed of the spindle 101. A swing command for swinging the cutting tool T and the work W relatively along the axial direction of the feed shaft 102 is calculated.
- the swing command is a periodic command created by multiplying the actual rotation speed of the spindle 101 by a magnification, and is expressed by, for example, the following equation (1).
- K is the swing amplitude magnification
- F is the movement amount of the cutting tool T per rotation of the work W, that is, the feed amount per rotation [mm / rev]
- S is the spindle 101 (work W).
- I is the swing frequency magnification
- t is the time [s] after the start of swing.
- (K ⁇ F) / 2 is the swing amplitude [mm]
- 2 ⁇ ⁇ S / 60 ⁇ I ⁇ t is the swing phase [rad].
- the swing amplitude magnification K and the swing frequency magnification I are constants.
- the swing amplitude multiplier K is a number greater than or equal to 1, and the swing frequency multiplier I is a non-integer greater than zero (eg, 0.5, 0.8, 1.2, 1.5, 1.9, 2.3). , 2.5, etc., positive non-integer).
- the values of the swing amplitude magnification K and the swing frequency magnification I are stored in a storage unit (not shown) before the operation of the machine tool 100.
- the swing command includes the swing phase and the swing amplitude. Therefore, the swing command calculation unit 21 has a swing phase calculation unit 211 for calculating the swing phase and a swing amplitude calculation unit 212 for calculating the swing amplitude.
- the swing command calculation unit 21 calculates the swing phase and swing amplitude based on the position command sent from the command unit 10 and the actual rotation speed of the spindle 101, and swings as exemplified in the above equation (1). Calculate the motion command.
- the swing command calculated by the swing command calculation unit 21 is superimposed (added) on the position command sent from the command unit 10 in the adder 23.
- the adder 23 calculates the synthesis command.
- the synthesis command calculated by the adder 23 is a command for swinging the cutting tool T with respect to the work W along the axial direction of the feed shaft 102, and is sent from the servo control device 20 to the feed shaft motor 120. ..
- the feed shaft motor 120 is driven and controlled based on this synthesis command, and causes the cutting tool T at the time of rocking cutting to reciprocate relatively in the axial direction of the feed shaft 102. As a result, the cutting tool T swings with respect to the work W.
- the machine tool 100 has a detector 130 such as a pulse coder that detects the position of the feed shaft 102 (position of the cutting tool T) driven by the feed shaft motor 120.
- the servo control device 20 is a position which is a difference between the position command sent from the command unit 10 and the position feedback (actual position) of the feed shaft 102 (cutting tool T) sent from the detector 130. Find the deviation.
- the subtractor 24 is provided so as to obtain a position deviation from the position feedback sent from the detector 130 with respect to the position command before the swing command is superimposed on the adder 23. Therefore, the swing command calculated by the swing command calculation unit 21 is superimposed on the position command after the position deviation is obtained in the adder 23.
- the correction amount calculation unit 22 calculates the swing phase corresponding to the notification delay as the correction amount based on the actual rotation speed of the spindle 101 sent from the command unit 10 to the servo control device 20, and the correction amount is used in the swing command. Superimpose on the swing phase. As a result, for example, a swing command as represented by the following equation (2) is generated.
- the swing phase is calculated by (2 ⁇ ⁇ S ⁇ I / 60) t in the above equation (2) when expressed by the time t from the start of swing, but the swing phase is calculated every calculation cycle ⁇ t from the start of swing.
- phase addition it may be calculated by the swing phase ( ⁇ t seconds before) + (2 ⁇ ⁇ S ⁇ I / 60) ⁇ t.
- the correction amount calculation unit 22 can calculate the correction amount from at least one of the actual rotation speed of the spindle 101, the notification delay time, and the parameter value.
- the parameter value does not have to be the correction value itself, and may be a notification delay, a notification cycle, or the like. Further, the correction amount may be a fixed value. For example, when the correction amount is calculated from the notification delay, the correction amount can be expressed by the following equation (3).
- the unit of notification delay is the dimension of time (12 msec, etc.). This notification delay varies depending on the actual rotation speed of the spindle 101, the notification means, and the notification method.
- the correction amount calculated by the correction amount calculation unit 22 is superimposed on the swing phase in the swing command calculated by the swing command calculation unit 21 via the connecting line 25.
- the connecting line 25 constitutes a correction amount superimposing portion.
- the swing phase after the correction can be expressed by, for example, the following equation (5).
- the adder 23 corrects the position command sent from the command unit 10 as shown in the equation (2), for example.
- the swing command after the quantities are superimposed is generated as a synthesis command. Therefore, in this case, the servo control device 20 outputs a synthesis command in which the swing command and the position command are superimposed after the correction amount is superimposed to the feed shaft motor 120 to control the feed shaft 102 and control the cutting tool. Controls the swinging motion of T relative to the work W.
- FIG. 3 shows the locus of the cutting tool T on the surface of the work during swing cutting in a state where the notification delay is not corrected.
- the vertical axis is the feed direction position indicating the position of the cutting tool T along the feed shaft 102
- the horizontal axis is the circumferential position of the work W due to the rotation of the main shaft 101.
- the rotation speed of the spindle 101 is controlled by the servo control device 20 so that the peripheral speed of the work W with respect to the cutting tool T is constant. Therefore, in the state where the notification delay is not corrected, the cutting tool Even if T is oscillated relative to the work W, the oscillating phases of the nth, n + 1th, n + 2nd ...
- FIG. 4 shows the locus of the cutting tool T on the work surface during rocking cutting in a state where the notification delay is corrected.
- the swing phases of the nth, n + 1th, n + 2nd ... Can intersect. That is, the n-th swing phase and the n + 1-th swing phase intersect at locations A1 and A1 at approximately 240 ° intervals, and the n + 1-th swing phase and the n + 2nd swing phase also intersect at approximately 240 ° intervals. It intersects at points A2 and A2. Therefore, the cutting tool T is periodically separated from the work W (swinging), and the shavings are shredded each time.
- the swing command for swinging the cutting tool T relative to the work W is based on the rotation speed of the spindle 101 and the position command of the relative position of the cutting tool T with respect to the work W.
- a control device (servo control device 20) of the machine tool 100 including a correction amount superimposing unit (connecting line 25) is provided.
- the cutting tool T is moved to the work W based on the swing command in which the notification delay is corrected. Can be swung relative to. Therefore, the swing phases can intersect at regular intervals, so that the shavings can be reliably shredded.
- the swing command calculation unit 21 calculates the swing command from the swing phase calculated based on the rotation speed of the spindle 101 and the swing amplitude calculated based on the position command.
- the correction amount calculation unit 22 calculates the fluctuation phase change amount corresponding to the notification delay time of the rotation speed of the spindle 101 as the correction amount, and superimposes the correction amount on the swing phase in the swing command. According to this, the deviation of the swing phase can be eliminated by the correction amount, and the chips can be more reliably shredded by the swing cutting.
- the correction amount calculation unit 22 calculates the correction amount from at least one of the rotation speed of the spindle 101, the notification delay time, and the parameter value, it is easy to make the correction amount so that chips can be shredded. Can be calculated.
- the cutting tool T is configured to move with respect to the work W along the axial direction of the feed shaft 102.
- the work W may be configured to move with respect to the cutting tool T in the Z-axis direction along the axial direction of the feed shaft 102.
- the spindle 101 may be configured to rotate the cutting tool T with respect to the work W in the circumferential direction of the work W.
- the feed shaft 102 may be configured to move the cutting tool T relative to the work W in the radial direction of the spindle 101.
- the outer shape of the work W described above is an example, and is not limited to the tapered shape.
- the work W may have various other external shapes such as an arc shape or a cylindrical shape.
- the machine tool control device of the present disclosure performs rocking cutting on the work W by the cutting tool T, the machining is performed with a change in the rotation speed of the spindle 101 (work W) in which a notification delay becomes a problem. It may be preferably applied.
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Abstract
Description
補正時におけるその時刻の補正量を重畳する場合、例えば、補正後の揺動位相は、次式(4)のように表される。tcは通信遅れである。
21 揺動指令算出部
22 補正量算出部
25 接続線(補正量重畳部)
100 工作機械
101 主軸
102 送り軸
T 切削工具
W ワーク
Claims (3)
- 主軸及び送り軸を協調動作させて切削工具によりワークを切削加工する工作機械を制御する工作機械の制御装置であって、
前記主軸の回転速度、及び前記ワークに対する前記切削工具の相対位置の位置指令から、前記切削工具と前記ワークとを相対的に揺動させる揺動指令を算出する揺動指令算出部と、
前記主軸の回転速度の前記揺動指令算出部への通知遅れに相当する補正量を算出する補正量算出部と、
前記補正量を前記揺動指令に重畳する補正量重畳部と、
を備える、工作機械の制御装置。 - 前記揺動指令算出部は、前記主軸の回転速度に基づいて算出される揺動位相と、前記位置指令に基づいて算出される揺動振幅とから前記揺動指令を算出し、
前記補正量算出部は、前記主軸の回転速度の通知遅れ時間相当の揺動位相変化分を前記補正量として算出し、前記補正量を前記揺動指令における前記揺動位相に重畳する、請求項1に記載の工作機械の制御装置。 - 前記補正量算出部は、前記主軸の回転速度、通知遅れ時間、パラメータ値のうちの少なくともいずれか一つから前記補正量を算出する、請求項1又は2に記載の工作機械の制御装置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112021001497.8T DE112021001497T5 (de) | 2020-03-10 | 2021-03-04 | Steuereinrichtung für eine Werkzeugmaschine |
| CN202180019459.4A CN115280250A (zh) | 2020-03-10 | 2021-03-04 | 机床的控制装置 |
| JP2022506007A JP7469458B2 (ja) | 2020-03-10 | 2021-03-04 | 工作機械の制御装置 |
| US17/904,458 US12481263B2 (en) | 2020-03-10 | 2021-03-04 | Controller for machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020-040967 | 2020-03-10 | ||
| JP2020040967 | 2020-03-10 |
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| WO2021182304A1 true WO2021182304A1 (ja) | 2021-09-16 |
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| PCT/JP2021/008489 Ceased WO2021182304A1 (ja) | 2020-03-10 | 2021-03-04 | 工作機械の制御装置 |
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| Country | Link |
|---|---|
| US (1) | US12481263B2 (ja) |
| JP (1) | JP7469458B2 (ja) |
| CN (1) | CN115280250A (ja) |
| DE (1) | DE112021001497T5 (ja) |
| WO (1) | WO2021182304A1 (ja) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006252392A (ja) * | 2005-03-14 | 2006-09-21 | Mitsubishi Electric Corp | 同期制御装置 |
| JP2017182336A (ja) * | 2016-03-29 | 2017-10-05 | ファナック株式会社 | 揺動切削を行う工作機械のサーボ制御装置、制御方法及びコンピュータプログラム |
| JP2019028597A (ja) * | 2017-07-27 | 2019-02-21 | ファナック株式会社 | 揺動切削を行う工作機械の制御装置 |
| JP2019040252A (ja) * | 2017-08-22 | 2019-03-14 | ファナック株式会社 | 数値制御装置 |
| JP2019185780A (ja) * | 2018-04-06 | 2019-10-24 | ファナック株式会社 | 工作機械の制御装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2787872B2 (ja) * | 1992-06-08 | 1998-08-20 | 三菱電機株式会社 | 数値制御装置 |
| DE112014000229B4 (de) * | 2014-03-17 | 2019-06-13 | Mitsubishi Electric Corporation | Numerische Steuervorrichtung |
| JP6487397B2 (ja) * | 2016-09-07 | 2019-03-20 | ファナック株式会社 | 工作機械の制御装置、制御方法及びコンピュータプログラム |
| JP6744815B2 (ja) | 2016-12-15 | 2020-08-19 | シチズン時計株式会社 | 工作機械の制御装置および工作機械 |
-
2021
- 2021-03-04 WO PCT/JP2021/008489 patent/WO2021182304A1/ja not_active Ceased
- 2021-03-04 JP JP2022506007A patent/JP7469458B2/ja active Active
- 2021-03-04 CN CN202180019459.4A patent/CN115280250A/zh active Pending
- 2021-03-04 US US17/904,458 patent/US12481263B2/en active Active
- 2021-03-04 DE DE112021001497.8T patent/DE112021001497T5/de active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006252392A (ja) * | 2005-03-14 | 2006-09-21 | Mitsubishi Electric Corp | 同期制御装置 |
| JP2017182336A (ja) * | 2016-03-29 | 2017-10-05 | ファナック株式会社 | 揺動切削を行う工作機械のサーボ制御装置、制御方法及びコンピュータプログラム |
| JP2019028597A (ja) * | 2017-07-27 | 2019-02-21 | ファナック株式会社 | 揺動切削を行う工作機械の制御装置 |
| JP2019040252A (ja) * | 2017-08-22 | 2019-03-14 | ファナック株式会社 | 数値制御装置 |
| JP2019185780A (ja) * | 2018-04-06 | 2019-10-24 | ファナック株式会社 | 工作機械の制御装置 |
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|---|---|
| US12481263B2 (en) | 2025-11-25 |
| DE112021001497T5 (de) | 2023-01-12 |
| CN115280250A (zh) | 2022-11-01 |
| US20230089938A1 (en) | 2023-03-23 |
| JPWO2021182304A1 (ja) | 2021-09-16 |
| JP7469458B2 (ja) | 2024-04-16 |
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