WO2014170000A1 - Dispositif de mesure d'alésage de cylindres - Google Patents

Dispositif de mesure d'alésage de cylindres Download PDF

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Publication number
WO2014170000A1
WO2014170000A1 PCT/EP2014/000978 EP2014000978W WO2014170000A1 WO 2014170000 A1 WO2014170000 A1 WO 2014170000A1 EP 2014000978 W EP2014000978 W EP 2014000978W WO 2014170000 A1 WO2014170000 A1 WO 2014170000A1
Authority
WO
WIPO (PCT)
Prior art keywords
measuring
cylinder bore
measuring device
axis
rotation
Prior art date
Application number
PCT/EP2014/000978
Other languages
German (de)
English (en)
Original Assignee
Jenoptik Industrial Metrology Germany Gmbh
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 Jenoptik Industrial Metrology Germany Gmbh filed Critical Jenoptik Industrial Metrology Germany Gmbh
Publication of WO2014170000A1 publication Critical patent/WO2014170000A1/fr

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Classifications

    • 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
    • G01B5/003—Measuring of motor parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/50—Using chromatic effects to achieve wavelength-dependent depth resolution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G01N2021/9542—Inspecting the inner surface of hollow bodies, e.g. bores using a probe
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G01N2021/9542—Inspecting the inner surface of hollow bodies, e.g. bores using a probe
    • G01N2021/9546—Inspecting the inner surface of hollow bodies, e.g. bores using a probe with remote light transmitting, e.g. optical fibres

Definitions

  • the invention relates to a cylinder bore measuring device.
  • cylinder bore measuring devices which have an insertable into a cylinder bore measuring head, wherein a light source is provided for illuminating a measuring point of the cylinder bore and wherein the measuring head has a confocal optical measuring arrangement.
  • a corresponding measuring device is off
  • the associated manufacturing process takes place in such a way that after casting and machining of a cylinder bore a so-called surface activation is carried out.
  • the surface activation has the purpose artificially roughen the inner wall of the cylinder bore in order to ensure a particularly secure connection between the inner surface of the cylinder bore and a coating of particularly wear-resistant material to be applied in a later process step.
  • the roughening of the surface of the cylinder bore during surface activation can be carried out, for example, by high-pressure water jets, sand or particle beams, flame spraying or, in particular, creasing.
  • the surface of the cylinder bore is cleaned and then coated with a particularly wear-resistant material, for example in a spraying process. After cooling, the coated cylinder bore is then brought to its final dimensions in the course of a finishing operation, for example by diamond honing.
  • the invention has for its object to provide a cylinder bore measuring device, which has a high measurement accuracy in the specific measurement task, namely the measurement of roughened by surface activation surface of a cylinder bore and at the same time compact enough to be introduced according to the measurement task in a cylinder bore ,
  • the invention is based on the recognition that a surface activation of the inner wall of a cylinder bore, for example by high-pressure water rays, sand or particle beams, flame spraying or creasing, leads to a comparatively rough surface. Proceeding from this, the invention is based on the idea of configuring the cylinder bore measuring device, which is also referred to below as a measuring device, in such a way that even when optics with a high numerical aperture are used, a compact construction results, so that the device can also be used comparatively tight cylinder bores can be introduced in order to carry out the described measuring tasks there.
  • the measuring device has a measuring head which can be inserted into the cylinder bore to be measured and which has a measuring order with a sensor operating according to the principle of longitudinal chromatic aberration, which has imaging optics with an optical axis.
  • the measuring device further has a light source along a beam axis for illuminating a measuring point on the inner surface of the cylinder bore.
  • the imaging optics have a numerical aperture a 0.4, wherein the measuring device is preferably designed for a working distance of 10 mm and has a measuring range> 1.5 mm and the beam axis runs along the axis of rotation.
  • the beam axis runs along the axis of rotation
  • the beam axis is coincident or parallel to the axis of rotation or extends at an acute angle inclined to the axis of rotation. If the axis of rotation coincides with the rotational symmetry axis of the cylinder bore when using the measuring device, then the beam axis runs along the axis of rotational symmetry of the cylinder bore, ie coincidentally, parallel or below an acute angle to the rotational axis of symmetry.
  • the special design according to the invention results in a measuring device which has a high measurement accuracy which is sufficient for the specific measuring task and at the same time a compact construction.
  • the measuring device according to the invention is therefore suitable in particular for use in the special measuring task, namely the measurement of an inner surface of a cylinder bore roughened by surface activation.
  • the measuring principle of the sensor of the measuring device is based on the known basic principle of chromatic longitudinal aberration.
  • this basic principle in a chromatic optical system, the position of an image of a given point source depends on the wavelength of the light used, so that when using polychromatic light, the chromatic optical system has a plurality of images corresponding to the spectral distribution of the light.
  • a spectral coding is performed in the measuring space by the axial chromatic dispersion of the illumination light beam is stretched in a predetermined manner.
  • a spectral decoding is carried out, for example by means of a spectrometer.
  • a particular advantage of this measuring principle is that a scanning movement along the optical axis is not required. This increases the measuring speed.
  • a development of the teaching of claim 1 consists in that the optical axis is at an angle to the beam axis, in particular at an angle of 90 ° or approximately 90 °.
  • the optical axis at an angle of 90 ° or approximately 90 ° to the inner surface of the cylinder bore.
  • the light source can radiate along the axis of rotation and thus along the rotational axis of symmetry of the cylinder bore, wherein the light beam is directed by a suitable deflection on the measuring point, while the optical axis of the imaging optics perpendicular or substantially perpendicular to the axis of rotation and thus to the rotational axis of symmetry and thus can run perpendicular or substantially perpendicular to the inner surface of the cylinder bore.
  • the optical axis runs parallel or coincident to the beam axis and that the imaging optics is arranged downstream of a mirror arrangement for deflecting the beam path of the imaging optics and the light source such that the light beam of the light source is below one of 90 ° deviating angle on the inner surface of the cylinder bore is directed or directed.
  • the imaging optics is arranged downstream of a mirror arrangement for deflecting the beam path of the imaging optics and the light source such that the light beam of the light source is below one of 90 ° deviating angle on the inner surface of the cylinder bore is directed or directed.
  • Beam axis of the light source for example, and in particular coincide with the optical axis. In other words, therefore, the light source radiates in the direction of the optical axis.
  • the beam path is deflected.
  • the fact that the light beam of the light source is directed at an angle deviating from 90 ° to the inner surface of the cylinder bore and the viewing direction of the imaging optics is selected accordingly, it is in this embodiment in particular also possible to measure in undercuts, such as when groilling with a Grooving tools are created.
  • the measuring arrangement according to the invention can also have two or more sensors which are directed at different angles on the inner surface, so that in particular a simultaneous measurement of opposing undercuts is possible.
  • Another development of the invention provides an evaluation device which is in signal transmission connection with the sensor of the measuring arrangement and is designed and arranged such that it determines the distance of the measuring head to the inner wall of the cylinder bore at the respective measuring point from output signals of the sensor. By measuring the distance at least two measuring points spaced apart from one another in the circumferential direction of the cylinder bore, the diameter of the cylinder bore can then be determined.
  • the sensor of the measuring device is designed as a point sensor.
  • the spectral decoding of the reflected light can be carried out according to the invention in any desired manner.
  • the evaluation device has a spectrometer.
  • the light source is a point light source. source is.
  • the evaluation device In order to measure the diameter of a cylinder bore, another advantageous refinement of the invention provides for the evaluation device to be designed and set up such that the diameter of the cylinder bore can be determined from at least two measured values recorded at a distance from one another in the circumferential direction of the rotation axis or is determined.
  • any other measurements can be carried out, for example, to determine an eccentricity of the cylinder bore.
  • the rotary drive is designed and set up for a continuous or approximately continuous rotation of the measuring head about the axis of rotation, such that the inner wall of the cylinder bore can be scanned or scanned.
  • the rotation can be regarded as continuous within the measurement accuracy.
  • measuring head feeding means are assigned for generating a feed in the axial direction of the axis of rotation. In this embodiment, measurements can thus be carried out in different planes in the axial direction of the cylinder bore.
  • the light source radiates into an optical fiber whose end facing away from the light source is rotatably connected to the measuring head by a rotation axis parallel or coincident to the axis of rotation of the rotary drive.
  • the optical fiber is connected to the measuring head in the manner of a rotary guide, so that rotations of the measuring head about the axis of rotation can be compensated via the rotary guide.
  • the measuring head can be rotated around the axis of rotation as often as desired in the same direction of rotation, without the twisting of the optical fiber damaging the optical fiber or impairing its function occurring.
  • the measuring device is designed for a working distance of> - 10 mm and has a measuring range ⁇ 1.5 mm, as provided by another embodiment of the invention.
  • Another development of the invention provides that the measuring head is rotatably connected to the optical fiber.
  • a fiber connection is provided which is connected to the measuring head via a rotary bearing.
  • the measuring optics carrying the imaging head is designed as an endoscope.
  • a training as an endoscope is understood that the measuring head can be inserted into a cavity to be measured, in particular a cylinder bore.
  • An inventive method for measuring the Surface of a roughened in particular by high-pressure water jets, sand or particle beams, creasing or flame spraying surface of a cylinder bore is specified in claim 17.
  • the method according to the invention is characterized in that at least one cylinder bore measuring device according to the invention is used.
  • FIG. 1 very schematically shows a first exemplary embodiment of a cylinder bore measuring device according to the invention.
  • Figure 2 is a highly schematic view of
  • Figure 3 shows a highly schematic section through a cylinder bore
  • FIG. 4 shows a measurement setup, in which the embodiment according to FIG. 1 is integrated
  • FIG. 5 shows, in the same representation as FIG. 1, a second exemplary embodiment of a cylinder bore measuring device according to the invention
  • FIG. 1 shows a highly schematic representation of a first exemplary embodiment of a cylinder bore measuring device 2 according to the invention for measuring the roughened inner surface 4 of a cylinder bore 6.
  • the cylinder bore measuring device 2 is also referred to below as a measuring device 2.
  • the measuring device 2 has a measuring head 8 which can be inserted into the cylinder bore 6 to be measured and which has a measuring arrangement with a sensor operating according to the principle of longitudinal chromatic aberration, wherein the measuring arrangement has an imaging optics 10 schematically indicated in FIG.
  • the measuring head 8 carrying the imaging optics 10 is thus designed as an endoscope.
  • the measuring device 2 further comprises a rotary drive not shown in detail in Figure 1 for rotating the measuring head 8 relative to the cylinder bore 6 to a Rotary axis 14 on.
  • the rotation axis 14 is coincident with the rotational symmetry axis of the cylinder bore 6. It will be understood by those skilled in the art that the cylinder bore 6 has a rotational symmetry only in its coarse form. In its fine form, the cylinder bore 6 due to their roughened surface is not or not necessarily rotationally symmetric.
  • the measuring device 2 also has a light source 18 that radiates along a beam axis 16 and that is formed in this embodiment by a white light source.
  • the light beams of the light source 18 via a focusing optics 20 and a partially transparent mirror 22 in an end 24 a
  • the measuring head 8 carries a holding part 30, in which a rotary bearing or a plurality of rotary bearings are arranged, by means of which the end 28 of the optical fiber 26 is rotatably connected to the measuring head 8 about a rotation axis parallel to the axis of rotation 14. Due to the rotary guide thus formed prevents rotation of the measuring head 8 about the axis of rotation 14 to the optical fiber 26 damaging or impairing their function twisting of the optical fiber 26.
  • the pivot bearing can be formed so low friction that it completely or almost completely compensates for rotation of the measuring head 8 about the rotation axis 14, so that the optical fiber 26 during a rotation of the measuring head 8 about the rotation axis 14 remains stationary or approximately stationary.
  • the imaging optics are optics with a predetermined longitudinal chromatic aberration (longitudinal chromatic aberration).
  • longitudinal chromatic aberration longitudinal chromatic aberration
  • the position of an image of a given point source, in the illustrated embodiment of the image of the light source 18 depends on the wavelength of the light used, so that when using white light, the chromatic optical system corresponding to a plurality of images having the spectral content of the light.
  • the incident on the optical fiber 26 along the beam axis 16 light beam is deflected by a deflection mirror 32 by 90 °, so that it impinges perpendicular or approximately perpendicular to the inner surface 4 of the cylinder bore 6.
  • a spectral decoding is carried out, for example by means of a spectrometer as shown in FIG.
  • the distance of the measuring head 8 are determined from the inner surface 4 at the respective position of the measuring head 8, so that in this way the inner surface of the cylinder bore 6 can be measured in the desired manner.
  • the construction of a sensor operating according to the principle of longitudinal chromatic aberration is generally known to the person skilled in the art and will therefore not be explained in more detail here.
  • such a sensor also has the advantage that a scanning movement along the optical axis is not required, so that the measuring speed is increased.
  • the evaluation device 34 is thus in signal transmission connection with the sensor of the measuring arrangement and is designed and configured such that it determines the distance of the measuring head 8 to the inner surface 4 from output signals of the sensor, namely the light beams reflected from the inner surface 4 and directed to the evaluation device 34 the cylinder bore 6 is determined at the respective measuring point.
  • the measuring device 2 is further designed for a working distance AA of> 10 mm and has a measuring range of> 1.5 mm.
  • the working distance AA according to the invention, the clear width between the inner surface 4 facing the end of the measuring head 8 and the inner surface 4 understood.
  • the measuring range is understood according to the invention, which height difference between the highest and the lowest point in the profile of the inner surface 4 can be detected.
  • the optical axis 35 extends at an angle to the beam axis, namely at an angle of 90 °.
  • the deflection mirror 32 is provided in the illustrated embodiment, which is arranged between the light source 18 and the entry point of the optical fiber 26 in the measuring head 8 and the imaging optics 10.
  • FIG. 2 shows a view from above onto the measuring head 8, the axis of rotation 14 being recognizable.
  • another angular position of the measuring head 8 is indicated in dashed lines at the reference symbol 8 ', which symbolizes that the measuring head 8 can be rotated about the axis of rotation 14 by the associated rotary drive.
  • the reference point 36 symbolizes the entry point of the end 28 of the optical fiber 26 into the measuring head 8.
  • FIG. 3 shows a section through the cylinder bore 6.
  • the measuring head 8 is assigned feed means for producing a feed in the axial direction of the rotation axis 14 and thus in the illustrated embodiment in the axial direction of the rotational symmetry axis of the cylinder bore 6.
  • These feed means are indicated in Figure 6 by a double arrow 37.
  • Measurement levels to measure of which in Figure 3, for example, only two measurement levels by the reference numerals 38, 40 are designated.
  • FIG. 4 shows, by way of example and purely schematically, the integration of the exemplary embodiment of the measuring device 2 according to the invention into a measuring apparatus 42.
  • the measuring apparatus 42 has a measuring table 44 on which a cylinder head is held by means of a holder 46 whose cylinder bore 6 is to be measured.
  • the measuring apparatus 42 also has a measuring column 50, on which a housing 52, which accommodates the components of the measuring device 2 according to the invention, is movably held in the direction of the double arrow 37 by feed means (not shown).
  • the measuring device 36 is electromotive along the double arrow 37 and thus adjustable in the axial direction of the cylinder bore 6, so that, as explained with reference to Figure 3, corresponding to the respective axial position of the measuring head 8, in different measurement levels 38, 40 (see ,
  • the functioning of the measuring device 2 or the measuring device 42 according to the invention is as follows:
  • the measuring head 8 For measuring the inner surface 4 of the cylinder bore 6, the measuring head 8 is inserted into the cylinder bore 6. In the respective axial position of the measuring head 8 along the rotational symmetry axis of the cylinder bore 6, the inner surface of the cylinder bore 6 at the respective measuring point can then be measured by determining the distance of the measuring head 8 from the inner surface 4 and the respective measuring point. To approach different measuring points in the circumferential direction, the measuring head 8 by means of the electromotive Rotary drive rotated about the rotation axis 14. After all the necessary measurements have been carried out in a desired measuring plane (see Figure 3), another measuring plane can be approached by means of the advancing means in the direction of the double arrow 37, in which then the inner surface 4 of the cylinder bore 6 can be measured at different circumferential locations.
  • the corresponding measurement data can be stored and evaluated in the evaluation device.
  • the evaluation device can in particular be designed and set up in such a way that the diameter of the cylinder bore 6 is determined from at least two measured values recorded at the measuring points of the cylinder bore 6 which are spaced apart from each other in the circumferential direction of the rotation axis 14.
  • the diameter of the cylinder bore for example, be about 60 to 80 mm.
  • the measuring device 2 according to the invention is particularly suitable for measuring inner surfaces of cylinder bores roughened in particular by grooves. However, due to its high numerical aperture, the measuring device according to the invention is also suitable for measuring smoother surfaces.
  • the invention thus provides a measuring device which is particularly well suited for measuring roughened inner surfaces of cylinder bores.
  • FIG. 5 shows a second exemplary embodiment of a measuring device 2 according to the invention, which initially differs from the exemplary embodiment according to FIG. 1 in that the optical axis 35 of the imaging optical system 10 is coincident with the beam axis 16. Furthermore, the imaging optics 10 is a deflection mirror in the illustrated embodiment. Gel 54 having mirror assembly for deflecting the beam path of the imaging optics 10 and the light source 18 downstream.
  • the deflection mirror 54 is pivotally mounted about a pivot axis 56 which is transverse to the axis of rotation 14 and thus also to the rotational axis of symmetry of the cylinder bore 6.
  • the mirror 54 is thus movable in different pivot positions, so that the light beam of the light source 18 at 90 ° deviating angles to the inner surface of the cylinder bore 6 is directed.
  • the viewing direction of the imaging optics 10 also changes. In FIG.
  • reference numeral 58 designates a ray path purely by way of example, which results when a measuring point 60 on the inner surface 4 of the cylinder bore 6 is measured.
  • 58 ' designates a beam path which results when a measuring point 60' spaced apart from the measuring point 60 in the axial direction of the cylinder bore 6 is measured.
  • FIG. 6 shows, on a greatly enlarged scale, a detail of FIG. 5 in the region of a holding part 30 connected to the measuring head 8 for the end 28 of the optical fiber 26.
  • the holding part 30 has two pivot bearings 62 which are spaced apart from one another in the longitudinal direction of the optical fiber 26. 64, via which the optical fiber 26 is rotatably connected to the holding part 30 and thus to the measuring head 8.
  • the rotation guide thus formed compensates for rotation of the measuring head 8 about the axis of rotation 14, so that Damage or malfunction of the optical fiber 26 leading twisting of the optical fiber 26 are avoided.
  • FIG. 7 illustrates diagrammatically and by way of example a contour of the inner surface 4, which results, for example, when the inner surface 4 is grooved with a scoring tool.
  • FIG. 5 it is particularly possible to measure in the region of undercuts 66, 68 or 66 ', 68' on account of the fact that it is also possible to measure at an angle deviating from 90 °.
  • a measuring device 2 can also have two or more sensors to simultaneously at different measuring points, for example at the same time in the region of the undercut 66 and the undercut 68 measure up.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

La présente invention concerne un dispositif de mesure d'alésage de cylindres (2) destiné à mesurer la surface intérieure ébauchée (4) d'un alésage de cylindre (6). Ledit dispositif de mesure comporte une tête de mesure (8) qui peut être introduite dans l'alésage de cylindre (6) à mesurer. La tête de mesure comporte un système de mesure pourvu d'un capteur fonctionnant selon le principe de l'aberration chromatique longitudinale. Ledit capteur comporte une optique de reproduction (10) ayant un axe optique (36). Le dispositif de mesure (2) comporte en outre un système d'entraînement en rotation destiné à faire tourner la tête de mesure (8) par rapport à l'alésage du cylindre sur un axe de rotation (14) et une source de lumière (18) émettant un faisceau le long d'un axe de faisceau (16) et destinée à éclairer un emplacement de mesure. L'optique de reproduction a une ouverture numérique NA > 0,4.
PCT/EP2014/000978 2013-04-20 2014-04-11 Dispositif de mesure d'alésage de cylindres WO2014170000A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013006875.4A DE102013006875B4 (de) 2013-04-20 2013-04-20 Verfahren zur Vermessung der Oberfläche einer insbesondere durch Hochdruckwasserstrahlen, Sand- bzw. Partikelstrahlen, Rillieren oder Flammspritzen aufgerauten Innenfläche einer Zylinderbohrung
DE102013006875.4 2013-04-20

Publications (1)

Publication Number Publication Date
WO2014170000A1 true WO2014170000A1 (fr) 2014-10-23

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DE (1) DE102013006875B4 (fr)
WO (1) WO2014170000A1 (fr)

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CN106767569A (zh) * 2016-12-26 2017-05-31 安徽智森电子科技有限公司 一种盖板平面度检测机构
CN108444401A (zh) * 2018-04-27 2018-08-24 温州大学激光与光电智能制造研究院 基于视觉的轴承细长孔径系列测量装置
CN108759696A (zh) * 2018-05-24 2018-11-06 广东龙天智能仪器股份有限公司 内孔成像测量仪
CN108844444A (zh) * 2018-06-15 2018-11-20 中国石油天然气集团有限公司 一种大型机体缸孔与主轴孔垂直度、相交度量具及测量方法
CN109313020A (zh) * 2016-05-24 2019-02-05 微-埃普西龙测量技术有限两合公司 用于测量孔内壁几何形状的装置和对应的方法
CN109489550A (zh) * 2018-11-28 2019-03-19 北京玖瑞科技有限公司 内孔尺寸测量装置
CN118168501A (zh) * 2024-05-14 2024-06-11 荣成荣盛橡胶机械有限公司 一种机械配件精度检测装置

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DE102014201531A1 (de) * 2014-01-28 2015-07-30 Bayerische Motoren Werke Aktiengesellschaft Vorrichtung und Verfahren zum optischen Vermessen einer Zylinderlauffläche
CN108168401B (zh) * 2017-11-22 2020-07-07 中国北方发动机研究所(天津) 一种喷油器凸出高度测量装置
CN108444400B (zh) * 2018-04-27 2022-03-04 温州大学激光与光电智能制造研究院 基于视觉的轴承细长孔径系列测量方法
CN109490327A (zh) * 2018-11-14 2019-03-19 中国航发动力股份有限公司 一种内窥镜检测空心轴/管内壁的工装及其方法
CN109974610B (zh) * 2019-02-26 2021-10-01 广东核电合营有限公司 一种核电厂视频检查及变形测量装置
CN111203699B (zh) * 2020-03-02 2021-12-21 海马汽车有限公司 缸盖导管阀座压机和压机精度调整方法

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