WO2017068830A1 - 変位検出装置 - Google Patents
変位検出装置 Download PDFInfo
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- WO2017068830A1 WO2017068830A1 PCT/JP2016/071931 JP2016071931W WO2017068830A1 WO 2017068830 A1 WO2017068830 A1 WO 2017068830A1 JP 2016071931 W JP2016071931 W JP 2016071931W WO 2017068830 A1 WO2017068830 A1 WO 2017068830A1
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- setting
- alarm
- displacement detection
- control unit
- detection device
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 238000005259 measurement Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
-
- 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
- G05B19/401—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 measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- 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
- G05B19/409—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 using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters
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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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/37—Measurements
- G05B2219/37618—Observe, monitor position, posture of tool
Definitions
- the present invention relates to a displacement detection device that detects a shape displacement of an object to be measured.
- the displacement detection device for detecting the displacement of the outer shape of the object to be measured includes a plurality of sensor heads that detect the mechanical displacement of the object to be measured and convert it into electrical signals, and detection signals output from the sensor heads, respectively.
- a plurality of input control units are provided.
- the sensor head is supported by a holder so that the spindle can protrude and retract, and a contact is provided at the tip of the spindle.
- each control unit determines whether the amount of displacement is normal based on the detection signal output from each sensor head, and the determination result is displayed on a display provided in each control unit.
- the installation position of the sensor head is adjusted prior to the normal measurement operation.
- the installation position is adjusted so that the amount of displacement output as a detection signal is within a threshold when the contact is brought into contact with the reference object to be measured.
- Patent Document 1 discloses a displacement detection device that detects a displacement amount of a measurement object by bringing a movable part into contact with the measurement object.
- the displacement amount displayed on the display is adjusted to be within the threshold value.
- the position of the spindle after the adjustment is not displayed within the movable range of the spindle.
- the spindle will exceed the movable range during normal measurement operation. Measurement may not be possible.
- the present invention has been made in view of such circumstances, and its purpose is to easily adjust the installation position of the sensor head so that the amount of displacement of the object to be measured can be accurately detected.
- An object of the present invention is to provide a displacement detection device that enables a stable measurement operation in a normal measurement operation.
- a displacement detection device that solves the above-described problems is a sensor head that detects the displacement of a measurement object by bringing the tip of a spindle supported by a holder so that it can protrude and retract against the measurement object, and the detection of the sensor head And a control unit including a display unit that displays a measurement value based on the signal.
- the displacement detection apparatus includes a comparison unit that compares the measurement value of the spindle position with a preset threshold value. And an alarm signal generator for outputting an alarm signal when the spindle measurement value exceeds a threshold value.
- an alarm signal is output when the measured value of the spindle position exceeds the threshold value.
- control unit includes a threshold setting unit that sets the threshold.
- the threshold value is set by the threshold value setting means.
- an alarm display unit for displaying an alarm based on an input of the alarm signal is connected to the control unit. With this configuration, when an alarm signal is output, the alarm display unit displays an alarm.
- the comparison unit always compares the measured value of the spindle position with the threshold value. With this configuration, the comparison is always performed without setting again the comparison timing between the measured value of the spindle position and the threshold value.
- the control unit includes a key for selecting an alarm setting mode from a number of preset setting modes, and a key for selecting on / off of the alarm setting in the alarm setting mode.
- the alarm signal generator outputs the alarm signal when the alarm setting is on. With this configuration, no alarm signal is output when the alarm setting is turned off.
- the key is preferably composed of a plurality of keys provided on the side of the display unit.
- the displacement detection device of the present invention it is possible to easily adjust the installation position of the sensor head and perform a stable measurement operation so that the displacement amount of the object to be measured can be accurately detected. Can do.
- a spindle 3 is supported so as to protrude and retract downward from a holder 2 of a sensor head 1 installed in a predetermined position using a DIN rail or the like in advance.
- a contact 4 is provided at the tip of the spindle 3.
- the sensor head 1 is connected to the control unit 6 via a connection cable 5. For example, when the workpiece W is conveyed to the installation position of the sensor head 1 and the contact 4 comes into contact with the surface thereof, a detection signal that detects the amount of immersion displacement of the spindle 3 is sent from the sensor head 1 to the control unit 6. Is output.
- the main control device MC is connected to the control unit 6.
- the control unit 6 operates based on a control signal output from the main control device MC, and various data measured by the control unit 6 are transmitted to the main control device MC.
- a plurality of light projecting elements 7 and a plurality of light receiving elements 8 are disposed at positions facing the light projecting elements 7, respectively. Then, by detecting light blocked by the spindle 3 moving in the vertical direction by the light receiving element 8, the displacement amount of the spindle 3 is converted into an electric signal and output.
- the detection signal output from the light receiving element 8 is output to the CPU 9 in the control unit 6.
- a display unit 10 is connected to the CPU 9 to perform a required display.
- a setting unit 11 is connected to the CPU 9 so as to perform necessary setting operations and selection operations.
- a memory 12 connected to the CPU 9 stores a program for controlling the operation of the CPU 9, a set value set based on an operation of the setting unit 11, and the like.
- the control unit 6 includes a display unit 10 on an operation panel of a rectangular parallelepiped case.
- a shift key 13, enter key 14, and exit key 15 are disposed on one side of the display unit 10, and various indicator lamps 16 and preset keys 17 are disposed on the other side of the display unit 10 as the setting unit 11. ing.
- the shift key 13 includes an up key 13a for selecting an upward shift, a down key 13b for selecting a downward shift, a right key 13c for selecting a right shift, and a left key 13c.
- a left key 13d for selecting a shift is provided.
- the connector 18 protrudes from one side surface of the control unit 6, and a connector hole that allows the connector 18 to be fitted is provided on the other side surface.
- a large number of control units 6 are connected to each other in the thickness direction via connectors 18, and each control unit 6 is connected to an individual sensor head 1 via a connection cable 5.
- each control unit 6 can be set as any one of the master units 6a and the other control unit 6 can be set as a slave unit 6b.
- the display unit 10 is provided with a main display unit 19 and a sub display unit 20 adjacent to each other in two upper and lower stages, each capable of lighting and displaying a multi-digit number or alphabet.
- a first guide mark 21 is provided on one side of the sub display unit 20, and a second guide mark 22 is provided below the first guide mark 21.
- the first guide mark 21 is displayed with four valid shift keys, and the second guide mark 22 is lit when the enter key 14 is valid.
- a circle meter 23 is provided on the other side of the main display unit 19 and the sub display unit 20. The circle meter 23 displays the measured value based on the lighting of the 13 segments, or displays the duration of the long pressing operation by sequentially turning off the segments when the long pressing operation of the shift key 13 is performed.
- a copy mark 24 is provided inside the circle meter 23.
- the copy mark 24 is lit when a copy from the parent device 6a to the child device 6b is selected as a symmetric setting item during the copy setting operation.
- the items displayed on the sub display unit 20 are sequentially switched as shown in FIG.
- the displayed items are the normal measurement value (NORM.V), the calculated value (CALC), the label (LABEL), the LOW set value (LO.SET), the HIGH set value (HI.SET), and the sensor head measured value (HEAD). V).
- the mode is set to display the absolute value indicating the position of the spindle 3 in the movable range as the spindle measurement value.
- step 1 when a standard object to be measured is placed under the sensor head 1 and the contact 4 of the spindle 3 is brought into contact, a measurement operation is started (step 1), and the spindle measurement of the spindle 3 is performed. A value is obtained (step 2).
- the display value is adjusted so that the measurement value displayed on the main display unit 19 becomes the standard value obtained by measuring the standard object to be measured (step 3).
- the measurement value of the standard measurement object is displayed on the main display unit 19, and the spindle measurement value is displayed on the sub display unit 20 (step 5). ).
- Step 1 to Step 5 are repeated to adjust the installation position of the sensor head 1 so that the spindle measurement value is in the middle of the movable range of the spindle 3, and the measurement value becomes valid as a standard measurement value. It is also easy to adjust.
- the right key 13c is pressed for 3 seconds or longer. Then, a BASIC screen 25a, which is one of setting menu screens for selecting basic settings, is displayed on the sub display unit 20. In this state, by pressing the down key 13b and further operating the right key 13c and the left key 13d, any of the 12 basic setting items 26 connected to the lower layer of the BASIC screen 25a can be sequentially selected.
- Each basic setting item 26 is selected, and a desired setting value can be set for each item using the up key 13a, the down key 13b, and the enter key 14. After setting all items connected to the lower layer of the BASIC screen 25a, returning to the BASIC screen 25a and operating the right key 13c or the left key 13d can move to the menu screens 25b to 25h on the same layer as the BASIC screen 25a. .
- a large number of setting items are arranged below the menu screens 25b to 25h, and can be set in the same manner as the basic setting items 26. Whether or not to copy the setting value of the setting item to the control unit 6b serving as a slave when setting the setting item connected to the basic setting item 26 and the lower layers of the menu screens 25b to 25h can be set.
- a copy mark 24 is displayed as shown in FIG. 11, and the setting item is copied from the parent device 6a to the child device 6b. Is set.
- the copy mark 24 is not displayed as shown in FIG.
- any one of the copy item selection screen 27a, the copy all selection setting screen 27b, and the copy execution screen 27c is selected. Can be selected sequentially.
- the items to be copied can be individually selected from the lower items of the BASIC screen 25a and other menu screens 25b to 25h. In this operation, the copy selection operation by the preset key 17 can be changed.
- the copy lock setting screen 28 is displayed in the lower layer of the copy setting screen 25d, and it is possible to set so as to reject the copy from the parent device 6a.
- one of the BASIC screen 25a and the other menu screens 25b to 25h is selected and a setting item is selected (step 12). Then, for example, as shown in FIG. 10, the set value displayed on the main display unit 19 blinks, and the set value can be selected by operating the up key 13a, the down key 13b, the right key 13c, and the left key 13d. (Steps 13, 14, 15, 16).
- step 15 If the preset key 17 is pressed in step 15, a check mark is put in the copy mark 24 (steps 17 and 18). If the preset key 17 is not pressed, no check mark is put in the copy mark 24 (step 19). ). Then, by repeating such an operation, the initial setting operation of a large number of items connected to the lower layer of the BASIC screen 25a and other menu screens 25b to 25h, and the values set in the parent device 6a in each item are changed to the child device 6b. An operation for selecting whether or not to copy is performed.
- FIG. 15 shows an operation when the copy setting screen 25d is selected on the parent device 6a.
- a copy item selection screen 27a is displayed (step 22).
- step 23 when the right key 13c or the left key 13d is pressed, the initial setting values of the respective items in the lower layer of each menu screen are sequentially displayed on the main display unit 19 and the sub display unit 20 (steps 23 to 25).
- the enter key 14 is pressed while a desired item is displayed, copying of the setting value of the item from the parent device 6a to the child device 6b is selected (steps 26 and 27). If the enter key 14 is not pressed in step 26, copying to the slave unit 6b is not selected (step 28).
- step 24 When the exit key 15 is pressed in step 24, the input copy setting is confirmed (step 29), and the setting operation ends.
- the control unit 6 of the displacement detection device is provided with an alarm function for outputting an alarm signal when the installation position of the sensor head 1 is inappropriate after the installation position of the sensor head 1 is adjusted.
- step 33 when the right key 13c is pressed (step 33), the menu screen 25b, that is, the extended setting mode can be selected (step 34).
- step 35 When the up key 13a is pressed (step 35), one of a number of setting modes 29 set in advance in the lower layer of the menu screen 25b can be selected (step 36).
- the alarm setting screen (alarm setting mode) 29a is selected to enter the alarm setting mode (step 38).
- the enter key 14 is pressed (step 39) and the right key 13c is further pressed, the alarm use setting screen 30b is reached via the delay number setting screen 30a as shown in FIG. 17 (steps 40, 41, 42). .
- step 43 when the enter key 14 is pressed (step 43) and the right key 13c or the left key 13d is pressed, one of the alarm use on / off setting screens 31a and 31b is displayed (steps 44 to 46).
- step 47 When the enter key 14 is pressed on either of the on / off setting screens 31a and 31b (step 47), a flag indicating on / off of the alarm setting is set (step 48).
- step 49 When the right key 13c is pressed in step 41 (step 49), an alarm threshold setting screen 30c is displayed as shown in FIG. 18 (step 50).
- step 51 When the enter key 14 is pressed (step 51), the alarm initial value setting screen 32 is displayed (step 52).
- This alarm threshold is a threshold for determining whether or not the spindle measurement value at the spindle position is normal.
- the control unit 6 measures the position of the spindle 3 (step 61), and acquires the measured value of the spindle position (step 62). Then, the spindle measurement value is constantly compared with the alarm threshold value (step 63), and if the spindle measurement value exceeds the threshold value, an alarm signal is output to the main controller MC (steps 64 and 65). Main controller MC displays an alarm based on the reception of the alarm signal. It is also possible to display an alarm on the display unit 10 of the control unit 6.
- step 66 If the spindle measurement value does not exceed the threshold value, the process proceeds from step 66 to step 61, and the spindle measurement value and threshold value comparison operation is repeated.
- the displacement detection apparatus As described above, the following effects can be obtained.
- (1) When measuring the amount of displacement of the measurement object as a standard and adjusting the installation position of the sensor head 1, the displacement of the measurement object is displayed on the main display unit 19 and the sub display unit 20 of the control unit 6.
- the measured value of the quantity and the absolute value indicating the position of the spindle 3 within the movable range can be displayed simultaneously as the measured value of the spindle. Therefore, the installation position of the sensor head 1 can be easily adjusted so that the amount of displacement of the object to be measured can be detected at the center of the movable range of the spindle 3.
- an alarm is displayed on the main controller MC. It can be performed. Therefore, it becomes easy to maintain the position of the spindle 3 at the optimum position.
- (5) By constantly detecting the measured value of the spindle 3 position and comparing it with a threshold value, even if the position of the spindle 3 is shifted due to some trouble during normal operation, an abnormality is detected in the spindle measured value and an alarm is displayed. It can be carried out. Therefore, it is easy to readjust the installation position of the sensor head 1 or the position of the spindle 3 so that the displacement measurement of the workpiece W is normally performed.
- the measurement value acquired in step 4 may be acquired based on a preset calculation process at the time of adjusting the installation position of the sensor head 1.
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Abstract
Description
この構成により、閾値設定手段で閾値が設定される。
この構成により、アラーム信号が出力されると、アラーム表示部でアラーム表示が行われる。
この構成により、スピンドル位置の測定値と閾値との比較タイミングを改めて設定することなく、常時比較される。
この構成により、アラーム設定がオフされたときには、アラーム信号が出力されない。
この構成により、表示部を確認しながら、アラーム設定モードの選択操作と、アラーム設定のオンオフ操作が可能となる。
メイン表示部19とサブ表示部20の他側には、サークルメータ23が設けられている。サークルメータ23は、測定値を13個のセグメントの点灯に基づいて表示し、あるいはシフトキー13の長押し操作時に、セグメントを順次消灯させることにより、長押し操作の継続時間を表示する。
センサヘッド1の設置位置を調整する場合には、まずupキー13aを3秒長押しする。すると、図5に示すように、表示部10に表示設定画面が表示され、サブ表示部20に表示される項目を選択するモードとなる。なお、upキー13aの長押し操作時には、サークルメータ23のセグメントが順次消灯されて、長押し操作の継続時間が表示される。
次に、親機となる制御ユニット6aで各種初期設定を行う場合の操作について説明する。
BASIC画面25aの下層に連なる項目をすべて設定した後、BASIC画面25aに復帰し、rightキー13c若しくはleftキー13dを操作すると、BASIC画面25aと同層の各メニュー画面25b~25hに移行可能である。
基本設定項目26及び各メニュー画面25b~25hの下層に連なる設定項目の設定時に、当該設定項目の設定値を子機となる制御ユニット6bにコピーするか否かを設定可能である。
図15は、親機6aでコピー設定画面25dを選択した場合の動作を示す。メニュー画面のうちコピー設定画面25dが選択されると(ステップ21)、コピー項目選択画面27aが表示される(ステップ22)。
上記変位検出装置の制御ユニット6には、センサヘッド1の設置位置が調整された後、当該センサヘッド1の設置位置が不適である場合に、アラーム信号を出力するアラーム機能が備えられている。
ステップ41でrightキー13cが押されると(ステップ49)、図18に示すように、アラーム閾値設定画面30cが表示される(ステップ50)。ここで、enterキー14を押すと(ステップ51)、アラーム初期値設定画面32が表示される(ステップ52)。
(1)標準となる被測定物の変位量を測定して、センサヘッド1の設置位置を調整する場合には、制御ユニット6のメイン表示部19とサブ表示部20に、被測定物の変位量の測定値と、スピンドル3の可動範囲内での位置を示す絶対値をスピンドル測定値として同時に表示することができる。従って、スピンドル3の可動範囲の中央部で、被測定物の変位量を検出できるように、センサヘッド1の設置位置を容易に調整することができる。
(2)制御ユニット6の親機6aで項目毎に設定した初期設定値を子機6bにコピーする場合、各項目での初期設定操作時に当該項目の初期設定値をコピーするか否かをあらかじめ設定することができる。従って、初期設定値の設定後にコピー項目選択画面27aであらためて各項目でコピーを選択するか否かを設定する必要はないので、コピー項目設定操作を容易に行うことができる。
(3)コピー項目選択操作時に、コピーを選択された項目でコピーマーク24が表示されるため、コピー選択の有無を容易に認識可能である。
(4)センサヘッド1の設置位置を調整する場合、あるいは通常動作時にスピンドル3の位置の測定値が閾値以内であるか否かを判定し、閾値を超える場合には主制御装置MCでアラーム表示を行うことができる。従って、スピンドル3の位置を最適な位置に維持することが容易となる。
(5)スピンドル3位置の測定値を常時検出して閾値と比較することにより、通常動作時に何らかの障害によりスピンドル3の位置がずれた場合にも、スピンドル測定値の異常を検出してアラーム表示を行うことができる。従って、センサヘッド1の設置位置あるいはスピンドル3の位置を再調整して、被測定物Wの変位測定を正常に行うように復帰させることが容易である。
(6)アラーム設定モードでアラーム設定をオフ状態とすることも選択可能である。従って、アラーム出力が不要な場合には無用なアラーム信号の出力をキャンセルすることができる。
・センサヘッド1の設置位置の調整作業時に、ステップ4において取得される測定値を、あらかじめ設定された演算処理に基づいて取得するようにしてもよい。
Claims (6)
- ホルダーに出没可能に支持されたスピンドルの先端部を被測定物に当接させて、該被測定物の変位を検出するセンサヘッドと、
前記センサヘッドの検出信号に基づく測定値を表示する表示部を備えた制御ユニットと、を備えた変位検出装置において、
前記制御ユニットには、
前記スピンドル位置の測定値と、あらかじめ設定した閾値とを比較する比較手段と、
前記測定値が閾値を超えるとき、アラーム信号を出力するアラーム信号生成部と、
を備えたことを特徴とする変位検出装置。 - 請求項1に記載の変位検出装置において、
前記制御ユニットには、前記閾値を設定する閾値設定手段を備えたことを特徴とする変位検出装置。 - 請求項1に記載の変位検出装置において、
前記制御ユニットには、
前記アラーム信号の入力に基づいてアラーム表示を行うアラーム表示部を接続したことを特徴とする変位検出装置。 - 請求項1乃至3のいずれか1項に記載の変位検出装置において、
前記比較手段は、前記スピンドル位置の測定値と、前記閾値との比較を常時行うことを特徴とする変位検出装置。 - 請求項1乃至4のいずれか1項に記載の変位検出装置において、
前記制御ユニットには、
あらかじめ設定された多数の設定モードの中からアラーム設定モードを選択するキーと、
前記アラーム設定モードにおいて、アラーム設定のオンオフを選択するキーを備え、
前記アラーム信号生成部は、前記アラーム設定がオンのとき、前記アラーム信号を出力することを特徴とする変位検出装置。 - 請求項5に記載の変位検出装置において、
前記キーは、前記表示部の側方に設けた複数のキーで構成したことを特徴とする変位検出装置。
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JP2007170988A (ja) * | 2005-12-22 | 2007-07-05 | Keyence Corp | 検出器およびこれを用いた測定システム |
JP2012078214A (ja) * | 2010-10-01 | 2012-04-19 | Mitsutoyo Corp | 測定装置 |
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JP2000088562A (ja) * | 1998-09-11 | 2000-03-31 | Mitsutoyo Corp | 変位測定器 |
JP2007170968A (ja) * | 2005-12-21 | 2007-07-05 | Nippon Zeon Co Ltd | 配管の検査方法 |
JP5060671B2 (ja) | 2006-03-07 | 2012-10-31 | 株式会社キーエンス | 変位検出装置 |
JP5177830B2 (ja) * | 2006-03-22 | 2013-04-10 | 株式会社キーエンス | 接触式変位検出装置及び接触式変位検出装置における許容範囲指定方法 |
JP5112807B2 (ja) * | 2007-10-15 | 2013-01-09 | 株式会社ミツトヨ | カウンタ表示装置 |
JP6070791B2 (ja) | 2015-08-20 | 2017-02-01 | ブラザー工業株式会社 | 画像形成装置 |
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JP2005214727A (ja) * | 2004-01-28 | 2005-08-11 | Olympus Corp | 測定用プローブおよびこれを用いた形状測定機 |
JP2007170988A (ja) * | 2005-12-22 | 2007-07-05 | Keyence Corp | 検出器およびこれを用いた測定システム |
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