CN105371805A - Device for measuring inner circumferential surface of die - Google Patents
Device for measuring inner circumferential surface of die Download PDFInfo
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- CN105371805A CN105371805A CN201510441132.2A CN201510441132A CN105371805A CN 105371805 A CN105371805 A CN 105371805A CN 201510441132 A CN201510441132 A CN 201510441132A CN 105371805 A CN105371805 A CN 105371805A
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Abstract
The invention provides a device for measuring the inner circumferential surface of a die, which is a device (2) capable of stably and continuously measuring the inner circumferential surface of the die. The device (2) comprises a container (4) for fixing and holding a tread section (TS) for vulcanization molding of a tire, and a measurement part (6) arranged inside the tread section (TS). The container (4) comprises a ring part (8) holding the periphery of the tread section (TS). The measurement part (6) comprises a distance sensor (12) measuring the distance from the inner circumferential surface of the tread section (TS), a rotation driving part (28) rotating along the circumferential direction of the inner circumferential surface of the tread section (TS), and an elevating driving part (42) making the distance sensor (12) elevate in the direction parallel to the central axis of the ring part (8).
Description
Technical field
The present invention relates to the mould inner peripheral surface determinator of the inner peripheral surface for measuring tire building mould.
Background technology
In order to manufacture the tire of good evenness, usually adopt Split mold as tire vulcanization mold.This Split mold has and is split into multiple sheet section dies in the circumferential.This sheet section die has the tyre surface fragment making the tread contour of tire shaping.But known, the concavo-convex amount height correlation of the RRO (RadialRunOut: diameter run-out) of radial and the inside surface (inside surface of tyre surface fragment) of Split mold.Therefore, the RRO of Split mold must be taken into full account.Therefore, the mensuration of the inner peripheral surface of Split mold will be carried out in the past.
Japanese Unexamined Patent Publication 2002-257537 publication discloses with this determinator being determined as object.This determinator measures the concavo-convex amount of the inside surface of the tyre surface fragment of the cylindrical shape be arranged in as using state.This determinator has the holder of maintenance tyre surface fragment, vertical shape is erect and is arranged at the turning axle of the central part of the bottom of this holder and is arranged at the noncontact range sensor of this turning axle in the mode that can move up and down.Above-mentioned turning axle can rotate around from axle.
The device of the roundness of the inside surface measuring tyre surface fragment is disclosed in Japanese Unexamined Patent Publication 2006-289902 publication.In this determinator, noncontact displacement measuring instrument is utilized to measure the distance of the inner peripheral surface apart from tyre surface fragment.This noncontact displacement measuring instrument is by motor rotary actuation.In addition propose, in this motor, make bevel gear and rack combination, thereby, it is possible to carry out noncontact displacement measuring instrument move up and down driving.
Patent documentation 1: Japanese Unexamined Patent Publication 2002-257537 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2006-289902 publication
Summary of the invention
The object of the invention is to, provide as bed die inner peripheral surface determinator: by automatic rotation and the automatic lifting of mensuration sensor, can carry out stablizing and continuous print mensuration.
Mould inner peripheral surface determinator of the present invention has: container, and it is for the shaping mould of fixing maintenance tyre vulcanization; And determination part, it is arranged on the inside of above-mentioned mould, and said vesse has the ring portion of the periphery holding mould, and said determination portion has: range sensor, and it measures the distance of the inner peripheral surface apart from mould; Rotary driving part, it makes this range sensor rotating in a circumferential direction along mould inner surface; And lifting drive division, it makes this range sensor be elevated on the direction of the centerline axis parallel with above-mentioned ring portion.
Preferably, said determination portion has: anglec of rotation test section, and it detects the anglec of rotation of above-mentioned range sensor; And lifting distance test section, the lifting distance of its detecting distance sensor.
Preferably, said vesse has the bottom that can load above-mentioned mould, and said determination portion has: stationary shaft, and it erects the center of the above-mentioned ring portion be arranged on above-mentioned bottom; And rotating cylinder, its be disposed of can with this stationary shaft coaxial rotate, this rotating cylinder is provided with above-mentioned range sensor, above-mentioned rotary driving part and above-mentioned lifting drive division.
Preferably, above-mentioned rotary driving part has the motor above-mentioned rotating cylinder being carried out to rotary actuation, above-mentioned anglec of rotation test section has the rotary encoder of the anglec of rotation detecting rotating cylinder, above-mentioned lifting drive division has motor, by the ball-screw of this motor rotary actuation and the internal thread part that screws togather with this ball-screw, above-mentioned lifting distance test section has the rotary encoder of the anglec of rotation detecting above-mentioned ball-screw.
Preferably, above-mentioned mould inner peripheral surface determinator has the electrical connection mechanism of slip ring as above-mentioned stationary shaft and above-mentioned rotating cylinder.
Preferably, above-mentioned mould inner peripheral surface determinator has: console panel, and it is built-in with the programmable logic controller (PLC) processed the simulating signal of the determination data sent from above-mentioned range sensor; And computing machine, it has the function that the data after to process in this console panel carry out number of times analysis.
Preferably, above computer has following function: according to the data obtained by above-mentioned range sensor, above-mentioned anglec of rotation test section and above-mentioned lifting distance test section, mark and draw the surface configuration of the inner peripheral surface of mould.
Preferably, above computer has the function condition that setting mould inner peripheral surface therein measures automatically being indicated to said determination portion.
By mould inner peripheral surface determinator of the present invention, for the inner peripheral surface of the mould of tire building, in its axial each position, circumferentially can stablize and measure continuously.
Accompanying drawing explanation
Fig. 1 is the part section front view mould inner peripheral surface determinator of an embodiment of the invention and the tyre surface fragment of mould together illustrated.
Fig. 2 is the left side view of the mould inner peripheral surface determinator of Fig. 1.
Fig. 3 illustrates the block diagram also comprising mould inner peripheral surface determinator determination data being carried out to the unit of computing.
Fig. 4 is the oscillogram of an example of the result that the mensuration of being undertaken by the mould inner peripheral surface determinator of Fig. 1 is shown.
Label declaration
2 determinators; 4 containers; 6 determination parts; 8 ring portions; Bottom 10; 12 range sensors; 16 stationary shaft; 18 rotating cylinders; 24 slide blocks; 28 rotary driving parts; 30 motors; 38 anglec of rotation test sections (the first scrambler) 42 are elevated drive division; 44 motors; 46 ball-screws; 48 internal thread parts; 56 lifting distance test sections (the second scrambler) 60 slip rings; 70 computing machines; 72 touch panel operation boards; 74 console panels
Embodiment
Below, suitably with reference to accompanying drawing, the present invention is described in detail based on preferred implementation.
Mould inner peripheral surface determinator (following, also referred to as determinator) 2 shown in Fig. 1 has container 4 and determination part 6.By this container 4 fixing be the tyre surface fragment TS of tyre vulcanization mold for forming as determination object.Multiple tyre surface fragment TS is arranged in the cylindrical shape as using state.
Container 4 has the ring portion 8 of the periphery holding tyre surface fragment TS and the bottom 10 of mounting tyre surface fragment TS.Ring portion 8 has columned inner peripheral surface.Bottom 10 has the upper surface in plane.Ring portion 8 and bottom 10 can form as one, also can split formed after link.
Determination part 6 has range sensor 12, and this range sensor 12 measures the distance of the inner peripheral surface apart from tyre surface fragment TS.Determination part 6 is installed in the central authorities of bottom 10.Bottom this, 10 have locating piece 11, locating piece 11 for adjust set determination part 6 surface level in position.Determination part 6 is installed on this locating piece 11 in removable mode.Determination part 6 is adjusted to by this locating piece 11 central authorities being positioned at ring portion 8.
Range sensor 12 can rotating in a circumferential direction along the inner peripheral surface of tyre surface fragment TS.As range sensor 12, as in the present embodiment, contactless laser displacement gauge can be used.Range sensor 12 measures the distance of the inner peripheral surface apart from tyre surface fragment TS, it is added with the known rotation from range sensor 12 (central axis of the stationary shaft 16 described later) distance to range sensor 12, obtains the radius of the inner peripheral surface of tyre surface fragment TS.The adquisitiones of this radius is also described in above-mentioned Japanese Unexamined Patent Publication 2002-257537 publication.
Determination part 6 has the support 14 for length of support sensor 12.This support 14 has stationary shaft 16 and rotating cylinder 18.Stationary shaft 16 vertically erects the center of the ring portion 8 be arranged on above-mentioned bottom 10 in removable mode.Stationary shaft 16 is in cylindric.Rotating cylinder 18 is fixed on this stationary shaft 16 via bearing 20 in coaxial.Rotating cylinder 18 can rotate around the central axis of stationary shaft 16.Rotating cylinder 18 cylindrically.
Range sensor 12 is installed on rotating cylinder 18 via guide rail 22, slide block 24 and supporting arm 26.Guide rail 22 is fixed in rotating cylinder 18.Guide rail 22 extends along the direction of the rotation axis parallel of the central axial direction and rotating cylinder 18 with stationary shaft 16.Slide block 24 is sticked in this guide rail 22 in the mode that freely can be elevated along the long side direction of guide rail 22.This slide block 24 is provided with above-mentioned supporting arm 26.This supporting arm 26 is provided with range sensor 12.Thus, range sensor 12 can be elevated along the direction of the rotation axis parallel with rotating cylinder 18.In fig. 2, the diagram of range sensor 12 is eliminated.
Rotating cylinder 18 is provided with rotary driving part 28, and this rotary driving part 28 rotates around the axis of stationary shaft 16 for making range sensor 12.This rotary driving part 28 can make rotating cylinder 18 rotate around the axis of stationary shaft 16.Rotary driving part 28 also rotates integratedly with rotating cylinder 18.Rotary driving part 28 has the motor 30 rotating cylinder 18 being carried out to rotary actuation.The output shaft 30a of this motor 30 and the centerline axis parallel ground of stationary shaft 16 extend.On this output shaft 30a, electromagnetic clutch 32 is provided with gear 34.This gear 34 is snapped at the fixed gear 36 that the complete cycle along the lower end side of stationary shaft 16 is formed.Fixed gear 36 is formed in in the face of the central axis upright of stationary shaft 16.
When making motor 30 drive under the state connected at electromagnetic clutch 32, rotating cylinder 18 rotates via rotary driving part 28 by the anti-operation power from fixed gear 36.Therefore, range sensor 12 also rotates.When electromagnetic clutch 32 disconnects, the rotation of rotary body 18 stops.In addition, also can substitute employing electromagnetic clutch 32 and detent is set.In addition, also servo motor, step motor can be used.
Rotating cylinder 18 is provided with anglec of rotation test section 38, and anglec of rotation test section 38 detects the anglec of rotation of the range sensor 12 utilizing rotary driving part 28 to realize.As this anglec of rotation test section, as in the present embodiment, rotary encoder 38 can be adopted.The main body of this rotary encoder (hereinafter referred to as the first scrambler) 38 is fixed in rotating cylinder 18 via holder 37.The input shaft of the first scrambler 38 is provided with gear 39.The fixed gear 40 that anodontia unoccupied place is engaged with this gear 39 is arranged on stationary shaft 16 around.When rotating cylinder 18 rotates, via above-mentioned two gears of occlusion, relative revolving force is input to the not shown input shaft of the first scrambler 38.Like this, the rotation angle of rotating cylinder 18 is detected.As revolving force transfer unit, also can substitute gear and adopt Timing Belt.
Known with reference to Fig. 2 in the lump, rotating cylinder 18 is provided with lifting drive division 42, and this lifting drive division 42 is elevated along guide rail 22 for making slide block 24.This lifting drive division 42 have band electromagnetic brake motor 44, by the ball-screw 46 of this motor 44 rotary actuation and the internal thread part 48 that screws togather with this ball-screw 46.This ball-screw 46 is installed to be and can rotates and the state that can not be elevated.Internal thread part 48 is fixed in slide block 24.Ball-screw 46 and guide rail 22 extend abreast.Be supported in the upper end of rotating cylinder 18 via not shown bearing near the upper end of ball-screw 46.The diagram of this ball-screw 46 is eliminated in Fig. 1.Fig. 2 is the figure for illustrating lifting drive division 42 and lifting distance test section 56 described later.In fig. 2, in order to easy understand, exist and eliminate its illustrated position in the position shown in Fig. 1.
Said motor 44 is installed in the upper end of rotating cylinder 18.The output shaft of motor 44 is provided with gear 50 (Fig. 1).Near the upper end that the gear 52 screwed togather with this gear 50 is arranged on ball-screw 46 (Fig. 2).By this structure, the rotary driving force of motor 44 is delivered to ball-screw 46.Also can substitute the motor 44 of above-mentioned band electromagnetic brake and adopt servo motor.In this case, the function as lifting distance test section 56 is included in servo motor, therefore, it is possible to omit scrambler.
Rotating cylinder 18 is provided with lifting distance test section 56, and this lifting distance test section 56 detects the lifting distance of the range sensor 12 utilizing lifting drive division 42 to realize.As this lifting distance test section 56, as in the present embodiment, rotary encoder 56 can be adopted.The main body of this rotary encoder (hereinafter referred to as the second scrambler) 56 is installed in rotating cylinder 18 via aforesaid holder 37.The input shaft 56a of the second scrambler 56 is connected with the upper end of ball-screw 46.When utilizing motor 44 to drive ball-screw 46 to rotate, revolving force is directly inputted to the input shaft 56a of the second scrambler 56 from ball-screw 46.Like this, the rotation angle of ball-screw 46 is detected.According to the pitch of this rotation angle and ball-screw 46, detect the lifting distance of slide block 24 and the lifting distance of range sensor 12.
As shown in Figure 1, in this determination part 6, have employed the electrical connection mechanism of slip ring 60 as stationary shaft 16 and rotating cylinder 18.In other words, in order to make each equipment being installed on rotating cylinder 18 be electrically connected with outside, have employed slip ring 60.This slip ring 60 is embedded in the top of stationary shaft 16.And in this slip ring 60, inside it, fixed part 60i is in stationary state, outside it, rotating part 60o is assemblied in the periphery of inner side fixed part 60i in the mode that can freely rotate via not shown bearing.
Electrical connection between the control device of rotary driving part 28, lifting drive division 42, rotation angle test section (the first scrambler) 38 and lifting distance test section 56 and determination part 6 outside and power supply realizes by above-mentioned slip ring 60.The outside rotating part 60o of slip ring 60 is connected with the not shown cable from above-mentioned rotary driving part 28, lifting drive division 42, first scrambler 38 cable and lifting distance test section 56.In addition, inner side fixed part 60i is connected with cable 62, control device and the power supply of this cable 62 and the outside of determination part 6 are connected.Certainly, the fixed part of this slip ring 60 and rotating part is also easily made to form on the contrary.That is, also outside rotating part 60o can be set to stationary state, be electrically connected with the control device etc. of outside, inner side fixed part 60i be rotated, and is electrically connected with above-mentioned internal unit 28,38,42,56.
Like this, carry out the rotating part of determination part 6 and outside electrical connection via slip ring 60, thus, do not need as sample was directly connected with outside by each equipment of cable from determination part in the past.Therefore, do not need as in the past in order to prevent the cable winds that accompanies with the rotation of determination part and the initial point carrying out making sensor often to rotate a circle with regard to reverse rotation resets.Automatic METHOD FOR CONTINUOUS DETERMINATION becomes possibility.
As shown in Figure 3, this determinator 2 has computing machine 70, touch panel operation board 72 and is equipped with the console panel 74 of PLC (ProgrammableLogicController: programmable logic controller (PLC)).In the present embodiment, these computing machines 70, touch panel operation board 72 and console panel 74 are all configured in the outside of container 4.Console panel 74 is electrically connected with determination part 6 by above-mentioned cable 62.Computing machine 70 and touch panel operation board 72 are electrically connected with this console panel 74 respectively.This computing machine 70 has the condition determination set-up function automatically measured.
Below, the mensuration main points of the tyre surface fragment TS inner peripheral surface carried out based on this determinator 2 are described.
First, determination part 6 is arranged on the middle position of the bottom 10 of container 4.By range sensor 12, measure the distance of any number of positional distance sensors 12 circumferentially on ring portion 8 inner peripheral surface.This each measured value is shown in touch panel operation board 72.Based on the plurality of measured value, adjustment locating piece 11, thus, makes the central axis of the stationary shaft 16 of determination part 6 consistent with the center of ring portion 8.
Next, by tyre surface fragment TS to use time attitude be arranged on the inner peripheral surface of ring portion 8.By operating touch panel operation board 72, range sensor 12 is axially moved, measure the distance of the inner peripheral surface apart from tyre surface fragment TS.The direction of principal axis of this range sensor 12 moves and is indicated by touch panel operation board 72.Based on the axial displacement of this measured value and range sensor 12, determine the direction of principal axis middle position (center, equatorial positions) of the inner peripheral surface of tyre surface fragment TS.On touch panel operation board 72, display represents the direction of principal axis coordinate figure (Z axis coordinate figure) of the direction of principal axis position of range sensor 12.Confirm this coordinate figure, be then input in computing machine 70.
Range sensor 12 is moved, measures the circumferential angle measuring initial point from mechanical origin thus.This angle determined (measuring initial point angle) is shown in touch panel operation board 72.Confirm this mensuration initial point angle, be then input in computing machine 70.
Detect the border between tyre surface fragment TS, obtain the angle of the angle between border, i.e. each tyre surface fragment TS, be entered in computing machine 70.Locating of the Z-direction preset is input in computing machine 70.Range sensor 12 is made to turn back to mechanical origin (initial point reset).By with upper type, complete preparation operation.
By touch panel operation board 72, carry out the instruction automatically measured from computing machine 70 pairs of console panels 74.Thus, console panel 74 makes determination part 6 carry out action by this instruction.Range sensor 12 respectively locates for preassigned Z-direction, automatically and continuously rotating 360 degrees and measure distance successively.Determination data from range sensor 12 is input to console panel 74 as analog electrical signal.Meanwhile, in the future the determination data (rotary electric signals) of spinning angle detection 38 and the respective rotary encoder 38,56 of lifting distance test section 56 is input to console panel 74 as pulse signal.
Above-mentioned simulating signal is converted to digital signal by the above-mentioned PLC in console panel 74, processes it.The result of this process is input in computing machine 70.In computing machine 70, calculation process (the number of times analysis based on fourier series analysis is carried out) is carried out successively to the measurement result of 1 week (360 °) on respectively the locating of Z-direction.After mensuration terminates, in computing machine 70, confirm the operation result all located.In addition, the number of times amplitude of the roundness of the inner peripheral surface of tyre surface fragment TS and RRO (RadialRunOut) and 1 time ~ 30 times is evaluated.
As shown in Figure 4, according to this operation result, for the inner peripheral surface 360 ° of tyre surface fragment TS, obtain the synthetic waveform CW etc. of initial waveform OW, 1 waveform W1,2 waveform W2,3 waveform W3 and 1 ~ 30 time.Illustrated in Fig. 4 be divided into 9 sections each tyre surface Segment A, B, C, D, E, F, G, H, I.The circle with the mean radius of fragment is represented by symbol AC, and the circle with maximum radius is represented by symbol LC, and the circle with minimum radius is represented by symbol SC.In addition, although do not illustrate, the amplitude of each number of times composition, the amplitude, peak, mean diameter etc. of synthetic waveform are shown by quantizing.Circumferentially determining concavo-convex (RRO) of inner peripheral surface of tyre surface fragment TS.In computing machine 70, by determination data, carry out the plotting of the shape of the inner peripheral surface of tyre surface fragment TS.And the plotted data of the tyre surface of the tire of this tyre surface fragment TS and sulfidization molding can be used to contrast by the plotted data of this tyre surface fragment TS.By this contrast, can analyze and change from tyre surface fragment TS to the tyre surface of the tire as products formed.
The application mould of this determinator 2 is not particularly limited in Split mold.According to this determinator 2, the inner peripheral surface of mould automatically and continuously can be measured.In this Automatic continuous measures, what need mensuration person's operation is the setting of condition determination.Can disposable process along the measurement result of the complete cycle of the multiple positions along Z-direction of mould inner peripheral surface, therefore, decrease the time analyzing separately the data after measuring.Can the plotted data of the plotted data of mould and tire be contrasted and be analyzed.
Utilizability in industry
Method described above is applicable to the mensuration of the inner peripheral surface of tire building mould.
Claims (8)
1. a mould inner peripheral surface determinator, it has:
Container, it is for the shaping mould of fixing maintenance tyre vulcanization; And
Determination part, it is arranged on the inside of above-mentioned mould,
Said vesse has the ring portion of the periphery holding mould,
Said determination portion has:
Range sensor, it measures the distance of the inner peripheral surface apart from mould;
Rotary driving part, it makes this range sensor rotating in a circumferential direction along mould inner surface; And
Lifting drive division, it makes this range sensor be elevated on the direction of the centerline axis parallel with above-mentioned ring portion.
2. mould inner peripheral surface determinator according to claim 1, wherein,
Said determination portion has:
Anglec of rotation test section, it detects the anglec of rotation of above-mentioned range sensor; And
Lifting distance test section, the lifting distance of its detecting distance sensor.
3. mould inner peripheral surface determinator according to claim 1 and 2, wherein,
Said vesse has the bottom that can load above-mentioned mould,
Said determination portion has:
Stationary shaft, it erects the center of the above-mentioned ring portion be arranged on above-mentioned bottom; And
Rotating cylinder, its be disposed of can with this stationary shaft coaxial rotate,
This rotating cylinder is provided with above-mentioned range sensor, above-mentioned rotary driving part and above-mentioned lifting drive division.
4. the mould inner peripheral surface determinator according to Claims 2 or 3, wherein,
Above-mentioned rotary driving part has the motor above-mentioned rotating cylinder being carried out to rotary actuation,
Above-mentioned anglec of rotation test section has the rotary encoder of the anglec of rotation detecting rotating cylinder,
Above-mentioned lifting drive division has motor, by the ball-screw of this motor rotary actuation and the internal thread part that screws togather with this ball-screw,
Above-mentioned lifting distance test section has the rotary encoder of the anglec of rotation detecting above-mentioned ball-screw.
5. the mould inner peripheral surface determinator according to claim 3 or 4, wherein,
Above-mentioned mould inner peripheral surface determinator has the electrical connection mechanism of slip ring as above-mentioned stationary shaft and above-mentioned rotating cylinder.
6. the mould inner peripheral surface determinator according to any one in Claims 1 to 5, wherein,
Above-mentioned mould inner peripheral surface determinator has:
Console panel, it is built-in with the programmable logic controller (PLC) processed the simulating signal of the determination data sent from above-mentioned range sensor; And
Computing machine, it has the function that the data after to process in this console panel carry out number of times analysis.
7. mould inner peripheral surface determinator according to claim 6, wherein,
Above computer has following function: according to the data obtained by above-mentioned range sensor, above-mentioned anglec of rotation test section and above-mentioned lifting distance test section, mark and draw the surface configuration of the inner peripheral surface of mould.
8. the mould inner peripheral surface determinator according to any one in claim 1 ~ 7, wherein,
Above computer has the function condition that setting mould inner peripheral surface therein measures automatically being indicated to said determination portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-168894 | 2014-08-22 | ||
| JP2014168894A JP6023130B2 (en) | 2014-08-22 | 2014-08-22 | Mold inner surface measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105371805A true CN105371805A (en) | 2016-03-02 |
| CN105371805B CN105371805B (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510441132.2A Active CN105371805B (en) | 2014-08-22 | 2015-07-24 | Mold inner peripheral surface measurement device |
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| Country | Link |
|---|---|
| JP (1) | JP6023130B2 (en) |
| KR (1) | KR102354541B1 (en) |
| CN (1) | CN105371805B (en) |
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| CN109556508A (en) * | 2017-09-25 | 2019-04-02 | 住友橡胶工业株式会社 | Tire inner surface shape measuring apparatus and tire inner surface process for measuring shape |
| CN111561714A (en) * | 2019-02-14 | 2020-08-21 | 华帝股份有限公司 | Pot bottom shape detection method for kitchen range |
| CN111998792A (en) * | 2020-08-25 | 2020-11-27 | 赛轮集团股份有限公司 | On-line detection method and on-line detection device for tire blank out-of-roundness of tire building machine |
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| JP6686643B2 (en) * | 2016-04-06 | 2020-04-22 | 住友ゴム工業株式会社 | Mold inner peripheral surface measuring device |
| DE102016224012A1 (en) * | 2016-12-02 | 2018-06-07 | Dr. Johannes Heidenhain Gmbh | Position measuring device and method for operating a position measuring device |
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| CN107258207B (en) * | 2016-04-07 | 2023-08-11 | 苏州宝时得电动工具有限公司 | Mower and sensor height control method |
| CN109556508A (en) * | 2017-09-25 | 2019-04-02 | 住友橡胶工业株式会社 | Tire inner surface shape measuring apparatus and tire inner surface process for measuring shape |
| CN111561714A (en) * | 2019-02-14 | 2020-08-21 | 华帝股份有限公司 | Pot bottom shape detection method for kitchen range |
| CN111561714B (en) * | 2019-02-14 | 2022-07-15 | 华帝股份有限公司 | Pot bottom shape detection method for kitchen range |
| CN111998792A (en) * | 2020-08-25 | 2020-11-27 | 赛轮集团股份有限公司 | On-line detection method and on-line detection device for tire blank out-of-roundness of tire building machine |
| CN111998792B (en) * | 2020-08-25 | 2022-08-26 | 赛轮集团股份有限公司 | On-line detection method and on-line detection device for tire blank out-of-roundness of tire building machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20160023547A (en) | 2016-03-03 |
| CN105371805B (en) | 2019-11-08 |
| JP2016045054A (en) | 2016-04-04 |
| KR102354541B1 (en) | 2022-01-21 |
| JP6023130B2 (en) | 2016-11-09 |
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