WO2018092223A1 - Dispositif de mesure de l'épaisseur d'une pièce et machine-outil - Google Patents

Dispositif de mesure de l'épaisseur d'une pièce et machine-outil Download PDF

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Publication number
WO2018092223A1
WO2018092223A1 PCT/JP2016/084005 JP2016084005W WO2018092223A1 WO 2018092223 A1 WO2018092223 A1 WO 2018092223A1 JP 2016084005 W JP2016084005 W JP 2016084005W WO 2018092223 A1 WO2018092223 A1 WO 2018092223A1
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WO
WIPO (PCT)
Prior art keywords
workpiece
medium
side wall
main body
measuring device
Prior art date
Application number
PCT/JP2016/084005
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English (en)
Japanese (ja)
Inventor
大 別当
佳隆 山口
雄人 篠原
Original Assignee
株式会社牧野フライス製作所
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 株式会社牧野フライス製作所 filed Critical 株式会社牧野フライス製作所
Priority to JP2018550924A priority Critical patent/JP6628899B2/ja
Priority to DE112016007342.9T priority patent/DE112016007342B4/de
Priority to PCT/JP2016/084005 priority patent/WO2018092223A1/fr
Publication of WO2018092223A1 publication Critical patent/WO2018092223A1/fr

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    • 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
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness

Definitions

  • the present invention relates to an ultrasonic workpiece thickness measuring device that measures the thickness of a workpiece on the machine tool, and a machine tool including the workpiece thickness measuring device.
  • Patent Document 1 a taper shank attached to a spindle of a machine tool, and an ultrasonic wave that is provided on the taper shank while contacting the ultrasonic probe at the tip thereof to the surface of the workpiece, and the echo is detected.
  • An ultrasonic plate thickness measurement unit that measures the thickness of the workpiece and wirelessly transmits the measurement data to the control unit, and is provided in the spindle injection nozzle provided on the spindle and the ultrasonic plate thickness measurement device.
  • An ultrasonic plate thickness measuring apparatus is disclosed in which coolant is injected from a measurement injection nozzle to improve the contact state between the ultrasonic probe and the surface of the workpiece during thickness measurement.
  • the ultrasonic plate thickness measuring device of Patent Document 1 is applicable only to a machine tool having a so-called through-spindle type coolant supply device that feeds coolant to a machining region by penetrating the main shaft in the axial direction. There is a problem that its versatility is low.
  • the present invention has a technical problem to solve such problems of the prior art, and a gel-like contact medium having a relatively high viscosity can be applied to the surface of the workpiece measurement site. It is an object of the present invention to provide a workpiece thickness measuring device that can be easily applied and a machine tool including the workpiece thickness measuring device.
  • a spindle air conduit that communicates with the pneumatic source and extends through the spindle, and a workpiece thickness measuring device that is attachable to and detachable from a tool mounting portion of the spindle,
  • the measuring device has a base end side wall facing the main shaft and a front end side wall provided on the opposite side of the base end side wall and capable of facing the workpiece.
  • a main body a shank projecting from the base end side wall and detachable from the front end of the main shaft, a measuring element provided on the front end side wall of the measuring apparatus main body so as to be able to come into contact with the surface of the workpiece,
  • ultrasonic waves are transmitted and received by the measuring element in a state where the measuring element is in contact with the surface of the workpiece, and the thickness of the workpiece is calculated from a time difference between transmission and reception of the ultrasonic wave.
  • a control unit that wirelessly transmits measurement data to the outside; a medium tank that is provided in the measurement apparatus main body and stores a gel-like contact medium applied between the probe and the work surface; and the measurement apparatus main body Before While being attached to the spindle, by using the air pressure received from the spindle air pipeline, the machine tool comprising a metering device for discharging a certain amount of couplant to the work surface is provided.
  • the surface of the work is brought into contact with the surface of the work tool on a machine tool equipped with a feed device of at least three axes orthogonal to the X axis, the Y axis, and the Z axis for moving the main shaft and the work relatively.
  • a workpiece thickness measuring device that measures the thickness of a workpiece from the time difference between transmission and reception, when mounted on the distal end portion of the main shaft, the base end side wall facing the main shaft and the opposite side of the base end side wall
  • a measuring apparatus main body having a distal end side wall which is provided and can face the workpiece; a shank projecting from the proximal end side wall and detachable from the distal end of the main shaft; and a distal end of the measuring apparatus main body capable of contacting the surface of the workpiece
  • a measuring element provided on the side wall for transmitting and receiving ultrasonic waves and an ultrasonic wave transmitted and received by the measuring element provided in the measuring device main body and in contact with the measuring element in contact with the surface of the workpiece.
  • the thickness of the workpiece is obtained by calculation, and a control unit that wirelessly transmits measurement data to the outside and a gel-like contact medium that is provided between the measuring element and the workpiece surface are provided in the measurement apparatus main body. While the medium tank and the measuring device main body are mounted on the main shaft, the air pressure received from the spindle air line extending through the main shaft and communicating with the air pressure source of the machine tool is constant. There is provided a workpiece thickness measuring device including a quantitative feeder for discharging an amount of a contact medium onto a workpiece surface.
  • a predetermined amount of the gel-like contact medium is discharged toward the workpiece by the quantitative feeder using the spindle air of the machine tool and reliably applied to the measurement site. Furthermore, according to the present invention, since the workpiece thickness measuring device has a shank portion that can be attached to the tip end portion of the spindle, it can be easily attached to various machine tools and existing machine tools. Is possible.
  • 1 is a schematic view showing an example of a machine tool according to the present invention.
  • 1 is a schematic diagram of a workpiece thickness measuring device according to a preferred embodiment of the present invention. It is a flowchart explaining the thickness measuring method of the workpiece
  • FIG. 1 is a schematic view of a machine tool according to a preferred embodiment of the present invention.
  • the machine tool 100 includes a spindle device 110 having a spindle 114 and a housing 112 that rotatably supports the spindle 114 about the rotation axis O, and a Z axis in front of the spindle device 110 along the guide surface 120 of the bed.
  • a table 122 provided so as to be capable of reciprocating in the axial direction (left-right direction in FIG. 1).
  • the machine tool 100 further includes an X-axis feeding device (not shown) and Y for feeding the spindle device 110 in the X-axis direction (direction perpendicular to the paper surface of FIG. 1) and the Y-axis direction (vertical direction in FIG. 1).
  • An axis feeding device (not shown) and a Z-axis feeding device (not shown) for feeding the table 122 in the Z-axis direction parallel to the rotation spindle O are provided.
  • the X-axis feeding device, the Y-axis feeding device, and the Z-axis feeding device are a ball screw (not shown) extending in the X-axis, Y-axis, and Z-axis directions, and the X-axis, Y-axis, and Z-axis.
  • Servo motors (not shown) for driving the respective ball screws can be provided.
  • a rotary table 124 that can be rotated and fed in the B-axis direction about an axis parallel to the Y-axis.
  • the workpiece W to be processed is fixed so as to face the tip of the main shaft 114 via an scale 126 attached to the upper surface of the rotary table 124.
  • the scale 126 is a double-sided scale, and has workpiece mounting surfaces 126a and 126b to which the workpiece W is attached.
  • a servo motor that drives the X-axis, Y-axis, and Z-axis feeding devices and a servo motor (not shown) that drives the rotary table 124 in the B-axis direction are connected to a control device (NC device) 140 of the machine tool 100.
  • the control device 140 controls the X-axis, Y-axis, Z-axis, and B-axis servomotors.
  • the control device 140 can be housed in the operation panel of the machine tool 100.
  • the operation panel includes an operation status of the machine tool 100, a machining program sent to the control device 140, and a machine tool 100 for operating the machine tool 100.
  • the display 142 displays an input screen for inputting various parameters by an operator.
  • a tool mounting hole 114a for mounting a tool is formed at the tip of the main spindle 114, and a shank portion of a tool holder (not shown) in which the tool is mounted is introduced into the tool mounting hole 114a.
  • the tool is attached to the tip end of the main spindle 114.
  • an automatic tool changer 130 can be used to attach / detach the tool to / from the tip of the main spindle 114.
  • the automatic tool changer 130 can also be controlled by the controller 140.
  • the main shaft 114 may also include a spindle air conduit 114b extending along the axis O.
  • the spindle air conduit 114 b is connected to the pneumatic source 102 via the external pneumatic conduit 106.
  • a solenoid-type shut-off valve 106a is disposed in the external pneumatic conduit 106 as a pneumatic control valve.
  • the shut-off valve 106a has a first position (see FIG. 2) where the spindle air conduit 114b is shut off from the air pressure source 102 and released to the outside air, and a first position where the spindle air conduit 114b communicates with the air pressure source 102. It is possible to operate between the two positions.
  • the shutoff valve 106a can be provided with a muffler 106b that reduces exhaust noise from the spindle air conduit 114b at the first position.
  • the solenoid of the shutoff valve 106a is connected to the control device 140, and the control device 140 controls the operation of the shutoff valve 106a.
  • the pneumatic source 102 can be service air of a factory where the machine tool 100 is installed.
  • the air pressure source 102 may be an air pressure source including, for example, a compressor (not shown) and a tank (not shown) provided separately from the service air, and a dryer (not shown).
  • a coolant passage 112 a is formed in the housing 112 of the spindle device 110, and the coolant passage 112 a is connected to an external coolant source 104 via a coolant conduit 108.
  • the coolant passage 112 a extends through the receiving member 116 provided at the end of the housing 112.
  • the coolant passage 112 a is preferably formed through the side wall of the housing 112, but may be formed by a pipe line or a hose extending inside or outside the housing 112.
  • the coolant source 104 can include, for example, a tank (not shown) that stores coolant and a pump (not shown) that sends coolant from the tank to the coolant conduit 108.
  • a solenoid type shut-off valve 108a is disposed as a coolant control valve.
  • the shutoff valve 108a is operable between a first position (see FIG. 2) where the coolant passage 112a is shut off from the coolant source 104 and a second position where the coolant passage 112a communicates with the coolant source 104.
  • the solenoid of the shutoff valve 108a is connected to the control device 140, and the control device 140 controls the operation of the shutoff valve 108a.
  • a transmission / reception device 80 that communicates with a transmission / reception unit 36 of the workpiece thickness measurement device 10 to be described later can be attached to the housing 112 of the spindle device 110.
  • the transmission / reception device 80 is connected to the control device 140. Further, a receiving member 116 described later is attached to the housing 112.
  • the workpiece thickness measuring device 10 is attached to the tip of the main spindle 114.
  • the workpiece thickness measuring device 10 includes a hollow main body 12, and the main body 12 has a base end side wall 12 a that faces the main shaft 114 and a front end side wall 12 b that faces the work W when mounted on the front end portion of the main shaft 114. And have.
  • a shank portion 76a adapted to a tool mounting hole 114a formed at the distal end portion of the main shaft 114, and a shaft portion 76 having a circumferentially extending V groove 76b that engages with the exchange arm 132 of the automatic tool changer 130 are proximal side walls. It protrudes outward from 12a.
  • a pneumatic passage 76c is formed in the shaft portion 76.
  • the pneumatic passage 76c is a spindle air conduit 114b that penetrates the main shaft 114 in the axial direction when the shank portion 76a is installed in the tool mounting hole 114a. Communicate with.
  • the pneumatic passage 76c also communicates with an internal pneumatic conduit 52 described later.
  • the shaft portion 76 is provided with a rotation stop member 78 again.
  • the rotation preventing member 78 engages with the receiving member 116 provided on the housing 112 of the spindle device 110 when the workpiece thickness measuring device 10 is attached to the tip end portion of the spindle 114, so that the workpiece thickness measuring device 10. Prevent rotation.
  • the coolant passage 112 a communicates with the coolant passage 72 in the main body 12, and when the shut-off valve 108 a is opened, the cleaning coolant from the coolant source 104 causes the check valve 74. It is pushed open and discharged from the cleaning coolant nozzle 40.
  • the workpiece thickness measuring apparatus 10 also includes a measuring unit 14 and a medium nozzle 38 that protrude outward from the distal end side wall 12b of the main body 12.
  • the workpiece thickness measuring apparatus 10 can further include a cleaning coolant nozzle 40.
  • the measurement unit 14 includes a cylindrical measurement unit main body 16, a slider 18 disposed in the measurement unit main body 16 so as to be slidable in the axial direction, a measuring element 26 provided at the tip of the slider 18, and a rear end of the main body 16.
  • a rear end wall 20 that closes the slider 18 and is disposed between the slider 18 and the rear end wall 20 in the main body 16, and is disposed between the main body 16 and the slider 18 for biasing the slider 18 in the front end direction.
  • An O-ring 24 as a sealed member can be provided.
  • the slider 18 has a cylindrical recess 18a formed at the tip, and the measuring element 26 is disposed in the recess 18a.
  • the probe 26 can be an ultrasonic transducer that transmits and receives ultrasonic waves.
  • a center hole 18b extends from the recess 18a of the slider 18 to the rear end surface.
  • a flange portion 18c is formed at the rear end portion of the slider 18, and the inner peripheral surface of the main body 16 is in contact with the flange portion 18c.
  • a shoulder portion 16a is formed so as to be able to contact.
  • a central hole 20 a is formed in the rear end wall 20.
  • the measuring element 26 is connected to the control unit 30 by a wire 28.
  • the control unit 30 performs arithmetic processing on the signal received from the probe 26 via the wire 28 to calculate the thickness of the workpiece W, the on / off switch 34 of the workpiece thickness measuring apparatus 10, and an external unit.
  • the transmitter / receiver 36 communicates with the transmitter / receiver 80.
  • the control unit 30 can also incorporate a battery 39.
  • the medium nozzle 38 preferably protrudes toward the center from the tip side wall 12b so that the medium can be discharged toward the front of the measuring element 26.
  • the medium nozzle 38 is connected to a cylinder 44 as a fixed amount feeder via a medium discharge pipe 42.
  • the cylinder 44 includes a pneumatic chamber 48, a medium chamber 46, and a double-headed piston 50 that are arranged coaxially.
  • the double-headed piston 50 has a large-diameter first piston portion 50 a disposed in the pneumatic chamber 48 and a small-diameter second piston portion 50 b disposed in the medium chamber 46.
  • the pneumatic chamber 48 is connected to the external pneumatic source 102 via the internal pneumatic pipeline 52, the pneumatic passage 76c, the spindle air pipeline 114b, and the external pneumatic pipeline 106.
  • the internal pneumatic pipeline 52, the pneumatic passage 76c, the spindle air pipeline 114b, and the external pneumatic pipeline 106 form an pneumatic supply passage system.
  • the medium chamber 46 communicates with the medium nozzle 38 via the medium discharge pipe 42.
  • a check valve 56 for blocking the flow from the medium chamber 46 to the medium nozzle 38 is disposed in the medium discharge pipe 42.
  • the check valve 56 is a pilot-operated check valve that is operated by a pilot air pressure supplied by a pilot line 54 branched from the internal pneumatic line 52.
  • the pilot air pressure supplied to the check valve 56 increases, the check valve 56 opens and the medium nozzle 38 communicates with the medium chamber 46 so that the medium can be discharged from the medium nozzle 38.
  • the check valve 56 closes and the flow from the medium chamber 46 toward the medium nozzle 38 is blocked.
  • the medium chamber 46 communicates with a medium tank 58 serving as a medium supply source via a medium supply pipe 68.
  • a gel-like contact medium is stored in the medium tank.
  • the gel-like contact medium can be various gel-like substances. Preferably, as shown in FIG. 1, a substance having an appropriate viscosity that does not immediately flow down when applied to the vertical surface of the workpiece W. For example, grease can be used.
  • the medium supply pipe 68 is provided with a check valve 70 that blocks the flow of the medium from the medium tank 58 to the medium chamber 46.
  • a piston 60 and a spring 62 that urges the piston 60 in a direction to push out the medium in the medium tank 58 are disposed in the medium tank 58.
  • the medium tank 58 is connected to the nipple 66 through the medium replenishment conduit 64.
  • the nipple 66 is a joint that prevents leakage of the medium from the medium tank 58.
  • the operator can replenish the medium to the medium tank 58 from the outside using the injector through the nipple 66.
  • the medium replenishment pipe line 64 opens in the vicinity of the bottom wall of the medium tank 58 to which the medium supply pipe line 68 is connected.
  • the workpiece thickness measuring device 10 is attached to the tip of the main spindle 114 (step S10). This can be done by the automatic tool changer 130 under the control of the controller 140.
  • the workpiece thickness measuring apparatus 10 may be attached to the tip end of the main spindle 114 by an operator. Subsequently, the operator operates the on / off switch 34 provided in the main body of the workpiece thickness measuring apparatus 10 by manual operation, thereby turning on the power of the workpiece thickness measuring apparatus 10 (step S12).
  • a power-on command from the control device 140 may be transmitted from the transmission / reception device 80 to the control unit 30 to turn on the on / off switch 34.
  • the control device 140 of the machine tool 100 determines whether or not a predetermined amount or more of the medium is stored in the medium tank 58, and when the medium in the medium tank 58 is less than the predetermined amount, A warning that the medium should be replenished is displayed on the display 142 on the operation panel (in the case of Yes in step S14).
  • the control device 140 feeds the machine tool 100.
  • the workpiece thickness measuring apparatus 10 is moved to the measurement site of the workpiece W using the apparatus (step S18).
  • the shutoff valve 108a of the coolant conduit 108 is opened for a predetermined time, cleaning coolant is injected from the coolant source 104 toward the work W from the cleaning coolant nozzle 40, and the measurement site is cleaned (step S20).
  • the shutoff valve 106a of the external pneumatic pipe line 106 is opened, and air pressure is applied from the air pressure source 102 to the air pressure chamber 48 of the cylinder 44 through the air pressure supply passage system. At this time, the air pressure is applied to the pilot actuated check valve 56 via the pilot conduit 54, and the check valve 56 is opened.
  • the piston 50 is driven by the air pressure in the air pressure chamber 48, and the contact medium in the medium chamber 46 is discharged from the medium nozzle 38 through the medium discharge line 42. While the piston 50 is driven, the air in the pneumatic chamber 48 is exhausted to the outside through the exhaust pipe 47. The piston 50 is driven to the stroke end by the air pressure in the air pressure chamber 48, and the contact medium having a volume corresponding to the volume determined by the area and stroke of the small-diameter second piston portion 50 b of the piston 50 is once. And is applied to the surface of the measurement site of the workpiece W (step S22). At this time, the controller 140 counts how many times the current contact medium discharge is the discharge after the contact medium is replenished to the medium tank 58, and stores it.
  • the control device 140 moves the shut-off valve 106a of the external pneumatic pipe line 106 to the first position, the pneumatic chamber 48 communicates with the outside air through the pneumatic supply system and the shut-off valve 106a. Air pressure is exhausted from the shutoff valve 106a through the air pressure supply passage system. At that time, the pressure in the pilot line 54 decreases and the check valve 56 closes. Further, the contact medium stored in the medium tank 58 is introduced into the medium chamber 46 of the cylinder 44 through the medium supply pipe 68 by the pressure of the medium tank 58.
  • the workpiece thickness measuring device 10 is brought close to the workpiece W together with the spindle device 110 by the Z-axis feeding device of the machine tool 100, and the measuring element 26 contacts the surface of the measurement site of the workpiece W (step S24).
  • ultrasonic waves are transmitted from the probe 26 and the reflected waves are detected by the probe 26.
  • the ultrasonic wave has a property of being reflected at the boundary surface between the objects, and in this case, it is reflected at the boundary surface between the workpiece W and the scale 126, that is, the workpiece mounting surface 126a.
  • the calculation unit 32 calculates the thickness of the work W by calculation from the time from transmission to reception of the ultrasonic wave.
  • the measurement result obtained in this manner is transmitted to the control device 140 through the transmission / reception unit 36 and the transmission / reception device 80 and stored in a predetermined memory area of the control device 140.
  • the measurement result may be displayed on the display 142 (step S28).
  • control device 140 calculates and stores the amount of the contact medium remaining in the medium tank 58 from the stored count value (step S30).
  • the control device 140 determines whether or not all the measurement sites of the workpiece W have been completed from the measurement program. When the next measurement site remains (Yes in step S32), the control device 140 executes the measurement process from step S14 again.
  • the operator operates the on / off switch 34 to turn off the power of the workpiece thickness measuring apparatus 10 (step S34).
  • a power-off command from the control device 140 may be transmitted from the transmission / reception device 80 to the control unit 30 to turn off the on / off switch 34.
  • the workpiece thickness measuring device 10 is removed from the tip end portion of the spindle 114 by the automatic tool changer 130 (step S36), and the workpiece W thickness measuring process is completed.
  • the workpiece thickness measuring apparatus 10 may be removed from the tip end of the main spindle 114 by an operator.
  • the workpiece thickness measuring apparatus 10 has the shank portion 76a that is adapted to the tool mounting hole 114a at the tip end portion of the main spindle 114, so that it can be easily mounted on various machine tools. It is.
  • a predetermined amount of the contact medium is discharged from the medium nozzle 38 toward the workpiece W by using the spindle air of the machine tool 100 by the metering feeder.
  • the workpiece thickness measuring apparatus 10 can be attached to and detached from the tip end portion of the spindle 114 by the automatic tool changer 130, from cleaning the surface of the workpiece W to discharging the contact medium and measuring the thickness of the workpiece W. It can be programmed and automated.
  • the four-axis machine tool of the X axis, the Y axis, and the Z axis linearly moving three axes and the B axis rotating one axis has been described.
  • the present invention can also be applied to a 5-axis machine tool having another rotary feed shaft. Further, the present invention can be applied to a vertical machine tool and a horizontal machine tool.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

L'invention concerne un dispositif de mesure (10) de l'épaisseur d'une pièce, qui est en contact avec la surface d'une pièce (W) sur une machine d'une machine-outil (100) et qui mesure l'épaisseur de la pièce à partir de la différence de temps entre l'émission et la réception d'une onde ultrasonore, ledit dispositif comportant : un corps principal (12) ayant une partie tige (76a) qui est disposée de façon détachable sur la partie pointe d'un arbre principal (114) ; une sonde de mesure (26) disposée dans le corps principal de manière à pouvoir entrer en contact avec la surface de la pièce à travailler ; une unité de commande (30) qui est disposée sur le corps principal, émet et reçoit une onde ultrasonore au moyen de la sonde de mesure, obtient l'épaisseur de la pièce par le calcul de la différence de temps entre l'émission et la réception de l'onde ultrasonore, et transmet sans fil les données de mesure à l'extérieur ; un réservoir de milieu (58) qui est disposé dans le corps principal et stocke un milieu de contact de type gel qui est appliqué entre la sonde de mesure et la surface de la pièce ; et une unité d'alimentation en quantité constante (44) qui déverse une quantité constante de milieu de contact sur la surface de la pièce à l'aide de la pression pneumatique reçue à partir d'un passage d'air rotatif (114a) de la machine-outil.
PCT/JP2016/084005 2016-11-16 2016-11-16 Dispositif de mesure de l'épaisseur d'une pièce et machine-outil WO2018092223A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018550924A JP6628899B2 (ja) 2016-11-16 2016-11-16 ワーク厚さ測定装置および工作機械
DE112016007342.9T DE112016007342B4 (de) 2016-11-16 2016-11-16 Werkstückdickenmessvorrichtung und Bearbeitungsmaschine
PCT/JP2016/084005 WO2018092223A1 (fr) 2016-11-16 2016-11-16 Dispositif de mesure de l'épaisseur d'une pièce et machine-outil

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Application Number Priority Date Filing Date Title
PCT/JP2016/084005 WO2018092223A1 (fr) 2016-11-16 2016-11-16 Dispositif de mesure de l'épaisseur d'une pièce et machine-outil

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WO2018092223A1 true WO2018092223A1 (fr) 2018-05-24

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DE (1) DE112016007342B4 (fr)
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CN112212676B (zh) * 2020-09-29 2022-06-07 安德里茨（中国）有限公司 料厚测量机构、闭环控制布料装置及烘干机

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JPH08166277A (ja) * 1994-12-14 1996-06-25 Keyence Corp 超音波トランスデューサの固定方法および固定用治具
WO2010020940A1 (fr) * 2008-08-19 2010-02-25 Breton Spa Procédé et dispositif de mesure et de vérification de l'épaisseur de structures

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Publication number Priority date Publication date Assignee Title
CN116990390A (zh) * 2023-09-26 2023-11-03 启东启控消声设备有限公司 一种消音器铆压检测装置及其检测方法
CN116990390B (zh) * 2023-09-26 2023-11-28 启东启控消声设备有限公司 一种消音器铆压检测装置及其检测方法

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