CN106403855A - Angle gauge for conical surface measurement and measurement and calculation method of angle gauge - Google Patents
Angle gauge for conical surface measurement and measurement and calculation method of angle gauge Download PDFInfo
- Publication number
- CN106403855A CN106403855A CN201611005856.3A CN201611005856A CN106403855A CN 106403855 A CN106403855 A CN 106403855A CN 201611005856 A CN201611005856 A CN 201611005856A CN 106403855 A CN106403855 A CN 106403855A
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- Prior art keywords
- conical surface
- angle
- gauge
- plug jet
- measurement
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/18—Measuring arrangements characterised by the use of fluids for measuring angles or tapers; for testing the alignment of axes
Abstract
The present invention discloses an angle gauge for conical surface measurement and a measurement and calculation method of the angle gauge. The angle gauge is a measurement device for a hole-like workpiece with a conical surface structure. The inner structure of the device is mainly composed of pneumatic measuring heads (T1, T2, T3, T4 and T5), an electric measuring head T6, a motor, a proximity switch and a displacement sensor; the device can be used for measuring the inclination angle, width and straightness of a conical surface. In measurement, the motor drives the electric measuring head T6 to go back and forth for once, the pneumatic measuring head T5 moves up and down along a direction perpendicular to the T6; the movement distances of the measuring heads are fed back through the displacement sensor; and required dimensions and tolerances can be calculated based on the above obtained data. With the above method adopted, the angle, width and straightness of the conical surface can be effectively calculated, automatic measurement and calculation can be realized, high is precision, and errors caused by human factors can be decreased.
Description
Technical field
The present invention is field of precision measurement, is related to a kind of angle gauge measuring device and measuring method, especially a kind of towards
The angle block gauge of conical surface measurement and its measuring method.
Background technology
The conical surface in hole is a kind of very common structure, generally requires to measure the conical surface in processing, manufacture and assembling field
Parameters, to meet various technical requirements, limit yet with structure, and the angle of inclination of the conical surface is generally difficult to measure, or
Measuring method is more complicated, especially in high-accuracy field, hardly results in the higher value of precision.Meanwhile, existing measurement
Method is mainly based upon manual measurement, artificial calculating, lacks a kind of automatization measuring method.On the one hand this metering system increases
Cost of labor and time cost, on the other hand easily because artificial origin causes measuring error.
There is now some angle gauge device patents of invention, wherein most design focuses primarily upon frame for movement, is applied to
Some specific applications.Utility model title " angle block gauge " (number of patent application：201220415913.6) it is absorbed in saving processing work
In part, substantial amounts of calibration and point middle time, also improve the crudy of workpiece；Utility model title is " for checking steel sheet pile
Angle block gauge " (number of patent application：201320061193.2) for checking the angle of steel sheet pile；Utility model title " movable can
Adjust angle block gauge " (number of patent application：200920250784.8) employ the measurement adjustable structure of Board position it is achieved that rule are many
With being absorbed in the utilization rate improving angle block gauge, it is to avoid the accumulation of angle block gauge, it is to avoid the waste of material and place；Practical new
A kind of type title " angle gage for concrete test piece squareness " (number of patent application：200820225405.5) be absorbed in and concrete is tried
Angle measurement between part adjacent surface；Patent of invention " with the angle block gauge of illuminator " (number of patent application：201210096952.9) specially
Note in the calibration data of the rule of reading angular under dim environment.However, angle block gauge involved by these patents is pure artificial survey
Amount device, and it is difficult to use in high accuracy occasion.
Development with the epoch and the progress of technology, traditional measuring method has not been suitable for the intelligence manufacture modernizing
Field, in the urgent need to one kind, automatically, high-precision angle gauge device the conical surface is measured, thus improving certainty of measurement
And measurement efficiency.
Content of the invention
For above-mentioned the deficiencies in the prior art, the invention provides a kind of angle block gauge towards conical surface measurement and its measuring and calculating side
Method, specially towards the tapered portion measurement of poroid workpiece, can be used for calculating conical surface angle of inclination, conical surface width and straight line
Degree, can effectively calculate angle, width and the linearity of the conical surface, realize full-automatic measuring and calculating, and have very high precision, thus
Reduce the error that anthropic factor causes.
The present invention adopts the following technical scheme that：A kind of angle block gauge towards conical surface measurement, main inclusion intersection plug jet,
Plug jet, electronic gauge head, regulator cover, leading screw, motor, rebound, handle, resistance to torsion formula electric wire fixing head, staight shank sensor, folder
Tight block, proximity switch, induction apparatuss set and wedge；It is characterized in that：Resistance to torsion formula electric wire fixing head connects handle, and handle connects rule
Body cover, described handle and regulator cover build-in cavities, the cavity UNICOM of handle and regulator cover, described plug jet, electronic gauge head, silk
Thick stick, motor, rebound, staight shank sensor, gripping block, proximity switch, induction apparatuss set and wedge are arranged on handle and regulator cover
Interior, regulator cover lower end arranges joint angle metric assembly axis, and angle gauge device axle bottom is provided with four intersection plug jets, angle block gauge
Device shaft tail end connection wire rod, screw mandrel is provided with plug jet, and plug jet is provided with electronic gauge head, and screw mandrel top connects electricity
Machine, is connected with wedge in the middle of described screw mandrel, wedge side is provided with induction apparatuss set, and induction apparatuss set connects proximity switch, wedge shape
Staight shank sensor is placed on block top, and about staight shank sensor, two sides are provided with rebound and gripping block.
Intersection plug jet of the present invention has four, respectively intersects plug jet T1, intersect plug jet T2, intersect
Plug jet T3, intersect plug jet T4, positioned at the bottom of angle gauge device axle, T1And T2Positioned at sustained height, T3And T4It is located at
Sustained height, both advise the deflection angle of assembly axis in a distance for measuring angles, and measuring method is：Obtain axle upper half
Partial eccentric throw, and the eccentric throw of axle the latter half, both subtract each other, and then recycle trigonometric function relation to try to achieve deflection angle.
Electronic gauge head T of the present invention6Parallel to the straight line offseting 45 ° with vertical direction, plug jet T5Perpendicular to T6Side
To plug jet T5It is arranged on screw mandrel, motor drives leading screw to make T6Come and go along axis, T5Along vertical axis direction with T6
Come and go.
There is a contact switch above measurement module of the present invention, be cased with induction apparatuss set above, motor drives gauge head T6Return
Hui Shi, during metal object above proximity switch senses gauge head, triggers proximity switch, sends I/O signal and leaves the motor off.
There is a wedge to be driven by leading screw in angle block gauge of the present invention, motor drives leading screw to rotate, drive wedge shape simultaneously
Block moves, and staight shank displacement transducer is positioned on wedge, so that sensor moves up and down.
A kind of measuring method of the angle block gauge towards conical surface measurement it is characterised in that：
(1), when measuring, angle block gauge is vertically placed in hole, and by plug jet T5With electronic gauge head T6Place module is high
Degree is adjusted to conical surface bottom, starts this device；
(2) according to intersection plug jet T1, intersect plug jet T2, intersect plug jet T3, intersect plug jet T4Position
Move feedback and obtain axis to the distance of hole both sides, thus calculating the deflection angle of angle gauge device axis, then motor belt motor galvanic electricity
Dynamic gauge head T6Rise along 45 ° of directions of offset of vertical from conical surface bottom up；
(3) meanwhile, plug jet T5Along perpendicular to electronic gauge head T6Direction continuously quickly move up and down, thus
Record the coordinate position of continuity point on the conical surface, and utilize the angle of inclination to the conical surface for these data, width and linearity to carry out
Calculate.
The measuring method at conical surface angle of inclination of the present invention is：
(1) electronic gauge head T6Rise from conical surface bottom up, gauge head T5With T6While mobile along own axes quick on
Lower motion, T6Axis direction is set to x-axis, T5Axis direction is set to y-axis；
(2) understand the coordinate position of continuity point on the conical surface according to displacement transducer feedback data, by continuity point in coordinate axess
Upper drafting, can obtain conical surface pattern curve, use least square fitting in line to continuity point on the conical surface, obtain the oblique of straight line
Rate, tries to achieve preliminary inclined-plane inclination angle；
(3) due to external factor such as compressive stress, institute's survey conical surface and the institute's drawing shape between the conical surface that is bordered are camber line, and camber line
Place's point is minimum on measurement result impact, so ignoring the point on camber line during least square fitting, inclined in conjunction with angle block gauge axis
Corner can obtain inclined-plane inclination angle.
The measuring method of conical surface width of the present invention is：
(1) demarcation line finding the surveyed conical surface with the conical surface that is bordered, on painted coordinate axess be surveyed conical line and
Border on the intersection point of conical line, the distance between two intersection points are conical surface width, will connect with method of least square on the surveyed conical surface
Continuous point is bordered on continuity point on the conical surface with two and is fitted to three straight lines respectively；
(2) due to gauge head T5For spherical, and the gauge head direction of motion is not orthogonal to the conical surface, thus can generation system error, that is,
True conical surface position, outside the painted conical surface, needs to be modified, and modification method is, if straight slope is k, gauge head radius is r,
Then straight line translates up r/cos (tan along y-axis-1K), obtain new three straight line after correction, and obtain two intersection points, two intersection points
Distance as conical surface width.
The measuring method of conical surface linearity of the present invention is：Y-axis direction values in continuity point on the surveyed conical surface are maximum
2 points be connected, cross y-axis direction value minimum point make before connected straight line parallel lines, between two parallel lines in the y-axis direction
Distance be surveyed linearity, all measurement data feed back to client, and client is encoded with calculation procedure and carries out unifying meter
Calculate, draw end value.
It is an advantage of the invention that：The special tapered portion measurement towards poroid workpiece, can be used for calculating conical surface inclination angle
Degree, conical surface width and linearity, can effectively calculate angle, width and the linearity of the conical surface, realize full-automatic measuring and calculating, and
There is very high precision, thus reducing the error that anthropic factor causes.
Brief description
Fig. 1 is the front sectional view of the angle block gauge towards conical surface measurement of the present invention.
Fig. 2 is the measuring and calculating flow chart of the angle block gauge of face phase conical surface measurement of the present invention.
In in figure, 1,2,3,4 is to intersect plug jet, and 5, plug jet, 6 is electronic gauge head, and 7 is regulator cover, and 8 is silk
Thick stick, 9 is motor, and 10 is rebound, and 11 is handle, and 12 is resistance to torsion formula electric wire fixing head, and 13 is staight shank sensor, and 14 is clamping
Block, 15 is proximity switch, and 16 is induction apparatuss set, and 17 is wedge.
Specific embodiment
The invention provides a kind of angle block gauge towards conical surface measurement and its measuring method, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail, so that advantages and features of the invention can be easier to be understood.
As shown in figure 1, a kind of angle block gauge towards conical surface measurement, main inclusion intersection plug jet (1-4), plug jet
5th, electronic gauge head 6, regulator cover 7, leading screw 8, motor 9, rebound 10, handle 11, resistance to torsion formula electric wire fixing head 12, staight shank sensor
13rd, gripping block 14, proximity switch 15, induction apparatuss set 16 and wedge 17；It is characterized in that：Resistance to torsion formula electric wire fixing head 12 connects
Handle 11, handle 11 connects regulator cover 7, described handle 11 and regulator cover 7 build-in cavities, the cavity connection of handle 11 and regulator cover 7
Logical, described plug jet 5, electronic gauge head 6, leading screw 8, motor 9, rebound 10, staight shank sensor 13,14 pieces of clamping, close to opening
Close 15, induction apparatuss set 16 and wedge 17 is arranged in handle 11 and regulator cover 7, regulator cover 7 lower end setting joint angle metric dress
Put axle, angle gauge device axle bottom is provided with four intersection plug jets (1-4), angle gauge device shaft tail end connection wire rod 8, screw mandrel
8 are provided with plug jet 5, and plug jet 5 is provided with electronic gauge head 6, and screw mandrel 8 top connects motor 9, connects in the middle of described screw mandrel 8
It is connected to wedge 17, wedge 17 side is provided with induction apparatuss set 16, induction apparatuss set 16 connection proximity switch 15, wedge 17 top
Place staight shank sensor 13, staight shank sensor 13 about two side is provided with rebound 10 and gripping block 14.
The shown plug jet (1,2,3,4) that intersects is used for measuring the deflection angle of angle block gauge assembly axis line, during measurement, by angle
Rule are vertically placed in hole, and the Displacement Feedback according to intersecting plug jet (1,2,3,4) obtains axis to the distance of hole both sides, from
And calculate the deflection angle of angle gauge device axis.
Plug jet 5 and electronic gauge head 6 are measurement main part, and motor 9 drives leading screw 8 to rotate so that gauge head 6 is along perpendicular
Rise from conical surface bottom up in straight 45 ° of directions of skew, meanwhile, plug jet 5 is along continuously fast perpendicular to the direction of gauge head 6
Speed moves up and down, and wedge 17 drives staight shank sensor 13 to move along axis, thus recording the coordinate of continuity point on the conical surface
Position.
Resistance to torsion formula electric wire fixing head 12 is used for fixing and protection offer power supply and transmission signal electric wire.Proximity switch 15 He
Induction apparatuss set 16 is used for stopping motor, when the induction apparatuss set on proximity switch senses the metal object above gauge head, triggering
Proximity switch, sends I/O signal and leaves the motor off.Rebound 10 completely cuts off fever phenomenon, joint and the electric wire phase in power transmission
Connect, for power supply and transmission data.
Taking measure cylinder cap as a example illustrate the measuring method of this angle block gauge below：
(1) angle block gauge is vertically placed in cylinder head bore, and gauge head 5 and 6 place module height is adjusted to conical surface bottom,
Start this device, measure the deflection angle of angle block gauge assembly axis line first, if gauge head 1,2,3,4 records distance respectively T1, T2,
T3, T4,Obtain the eccentric throw of axle top half,Obtain the eccentric throw of axle the latter half, both subtract each other：
Note T1+T4For P1, T2+T3For P2, then deflection angleWherein d is T1And T3Place horizontal plane away from
From.
(2) gauge head 6 rises from conical surface bottom up, and gauge head 5 is quickly transported up and down along own axes while movement with 6
Dynamic, gauge head 6 axis direction is set to x-axis, and gauge head 5 axis direction is set to y-axis, is understood on the conical surface according to displacement transducer feedback data
The coordinate position of continuity point, by continuity point in coordinate plot on X axis, can obtain conical surface pattern curve, to continuity point on the conical surface with
Little square law fits to a straight line, obtains the slope k of straight line, tries to achieve preliminary inclined-plane angle of inclination beta=90 °+tan-1K, due to pressure
The external factor such as stress, institute's survey conical surface and the institute's drawing shape that is bordered between the conical surface be at camber line, and camber line point to measurement result shadow
Sound is minimum, so ignoring the point on camber line during least square fitting, the deflection angle in conjunction with angle block gauge axis can obtain inclined-plane
Angle is
γ=alpha+beta.
(3) demarcation line finding the surveyed conical surface with the conical surface that is bordered, on painted coordinate axess be surveyed conical line and
Border on the intersection point of conical line, the distance between two intersection points are conical surface width, will connect with method of least square on the surveyed conical surface
Continuous point is bordered on continuity point on the conical surface with two and is fitted to three straight lines respectively, and because gauge head 5 is spherical, and the gauge head direction of motion is not
Perpendicular to the conical surface, so meeting generation system error, that is, truly conical surface position, outside the painted conical surface, needs to be modified, and revises
Method is, if straight slope is k, gauge head radius is r, then straight line translates up r/cos (tan along y-axis-1K), obtain after correction newly
Three straight lines, and obtain two intersection points, two intersection points distance as conical surface width a.
(4) maximum for y-axis direction values in continuity point on the surveyed conical surface 2 points are connected, cross the minimum point of y-axis direction value
The parallel lines of connected straight line before work, between two parallel lines, distance in the y-axis direction is surveyed linearity.
The above is the better embodiment of the present invention, and not the present invention is made with any pro forma restriction.Need
Bright, in the case of without departing substantially from present invention spirit and its essence, those of ordinary skill in the art work as can be according to the present invention
Make various corresponding changes and deform, but these change and deform the protection model that all should belong to appended claims of the invention
Enclose.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (7)
1. a kind of angle block gauge towards conical surface measurement, main include intersecting plug jet, plug jet, electronic gauge head, regulator cover,
Leading screw, motor, rebound, handle, resistance to torsion formula electric wire fixing head, staight shank sensor, gripping block, proximity switch, induction apparatuss set and
Wedge；It is characterized in that：Resistance to torsion formula electric wire fixing head connects handle, and handle connects regulator cover, in described handle and regulator cover
It is empty chamber, the cavity UNICOM of handle and regulator cover, described plug jet, electronic gauge head, leading screw, motor, rebound, staight shank sensing
Device, gripping block, proximity switch, induction apparatuss set and wedge are arranged in handle and regulator cover, and regulator cover lower end arranges joint angle
Metric assembly axis, angle gauge device axle bottom is provided with four intersection plug jets, angle gauge device shaft tail end connection wire rod, screw mandrel
It is provided with plug jet, plug jet is provided with electronic gauge head, screw mandrel top connects motor, is connected with wedge shape in the middle of described screw mandrel
Block, wedge side is provided with induction apparatuss set, and induction apparatuss set connects proximity switch, and staight shank sensor, staight shank are placed in wedge top
About sensor, two sides are provided with rebound and gripping block.
2. according to claim 1 a kind of angle block gauge towards conical surface measurement it is characterised in that：Described intersection plug jet has
Four, respectively intersect plug jet T1, intersect plug jet T2, intersect plug jet T3, intersect plug jet T4, positioned at angle
The bottom of metric assembly axis, T1And T2Positioned at sustained height, T3And T4Positioned at sustained height, both are in a distance.
3. according to claim 1 a kind of angle block gauge towards conical surface measurement it is characterised in that：Described electronic gauge head T6Parallel
In the straight line offseting 45 ° with vertical direction, plug jet T5Perpendicular to T6Direction, plug jet T5It is arranged on screw mandrel.
4. a kind of measuring method of the angle block gauge towards conical surface measurement according to claim 1 it is characterised in that：
(1), when measuring, angle block gauge is vertically placed in hole, and by plug jet T5With electronic gauge head T6Place module height is adjusted
Whole to conical surface bottom, start this device；
(2) according to intersection plug jet T1, intersect plug jet T2, intersect plug jet T3, intersect plug jet T4Displacement anti-
Feedback obtains axis to the distance of hole both sides, thus calculating the deflection angle of angle gauge device axis, then motor driving electric is surveyed
Head T6Rise along 45 ° of directions of offset of vertical from conical surface bottom up；
(3) meanwhile, plug jet T5Along perpendicular to electronic gauge head T6Direction continuously quickly move up and down, thus recording
The coordinate position of continuity point on the lower conical surface, and utilize the angle of inclination to the conical surface for these data, width and linearity to be calculated.
5. a kind of angle block gauge towards conical surface measurement according to claim 4 measuring method it is characterised in that：The conical surface inclines
The measuring method of rake angle is：
(1) electronic gauge head T6Rise from conical surface bottom up, gauge head T5With T6Quickly transport up and down along own axes while mobile
Dynamic, T6Axis direction is set to x-axis, T5Axis direction is set to y-axis；
(2) understand the coordinate position of continuity point on the conical surface according to displacement transducer feedback data, continuity point is painted on coordinate axess
System, can obtain conical surface pattern curve, use least square fitting in line to continuity point on the conical surface, obtain the slope of straight line,
Try to achieve preliminary inclined-plane inclination angle；
(3) due to external factor such as compressive stress, institute's survey conical surface and the institute's drawing shape between the conical surface that is bordered are point at camber line, and camber line
Measurement result is affected minimum, so ignoring the point on camber line during least square fitting, in conjunction with the deflection angle of angle block gauge axis
Inclined-plane inclination angle can be obtained.
6. a kind of angle block gauge towards conical surface measurement according to claim 4 measuring method it is characterised in that：Described cone
The measuring method of face width is：
(1) demarcation line finding the surveyed conical surface with the conical surface that is bordered, is surveyed conical line and borders on painted coordinate axess
The intersection point of conical line, the distance between two intersection points are conical surface width, with method of least square by continuity point on the surveyed conical surface
Border on continuity point on the conical surface with two and fit to three straight lines respectively；
(2) due to gauge head T5For spherical, and the gauge head direction of motion is not orthogonal to the conical surface, thus can generation system error, truly bore
Face position, outside the painted conical surface, needs to be modified, and modification method is, if straight slope is k, gauge head radius is r, then straight line
Translate up r/cos (tan along y-axis-1K), obtain new three straight line after correction, and obtain two intersection points, two intersection point distances are
For conical surface width.
7. a kind of angle block gauge towards conical surface measurement according to claim 4 measuring method it is characterised in that：Described cone
The measuring method of face linearity is：Maximum for y-axis direction values in continuity point on the surveyed conical surface 2 points are connected, cross y-axis direction
The parallel lines of connected straight line before the minimum point work of value, between two parallel lines, distance in the y-axis direction is surveyed linearity,
All measurement data feed back to client, and client is encoded with calculation procedure and is unifiedly calculated, and draws end value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005856.3A CN106403855A (en) | 2016-11-15 | 2016-11-15 | Angle gauge for conical surface measurement and measurement and calculation method of angle gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611005856.3A CN106403855A (en) | 2016-11-15 | 2016-11-15 | Angle gauge for conical surface measurement and measurement and calculation method of angle gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403855A true CN106403855A (en) | 2017-02-15 |
Family
ID=59230618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611005856.3A Pending CN106403855A (en) | 2016-11-15 | 2016-11-15 | Angle gauge for conical surface measurement and measurement and calculation method of angle gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403855A (en) |
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| CN2735302Y (en) * | 2004-09-30 | 2005-10-19 | 洛阳轴承集团有限公司 | Pneumatic measuring device for inner diameter of thin-wall bearing ring |
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| DE102005052962A1 (en) * | 2005-11-03 | 2007-05-16 | Minebea Co Ltd | Cylindrical and electrically conducting upper surface`s e.g. bearing bore, cylindricity and internal diameter measuring device, has measuring device determining surface diameter in area of measuring surface by evaluating common capacity |
| CN101082477A (en) * | 2007-07-05 | 2007-12-05 | 重庆齿轮箱有限责任公司 | Meter for conic hole |
| RU2381443C2 (en) * | 2008-05-05 | 2010-02-10 | Закрытое акционерное общество "РС-Лизинг" | Hole axis and plane misalignment metre |
| CN103322878A (en) * | 2013-07-02 | 2013-09-25 | 镇江中船设备有限公司 | Special detection tool for conical surface runout of cylinder cover valve seat of diesel engine |
| CN206281471U (en) * | 2016-11-15 | 2017-06-27 | 无锡富瑞德测控仪器股份有限公司 | A kind of angle block gauge towards conical surface measurement |
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2016
- 2016-11-15 CN CN201611005856.3A patent/CN106403855A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2735302Y (en) * | 2004-09-30 | 2005-10-19 | 洛阳轴承集团有限公司 | Pneumatic measuring device for inner diameter of thin-wall bearing ring |
| DE102005052962A1 (en) * | 2005-11-03 | 2007-05-16 | Minebea Co Ltd | Cylindrical and electrically conducting upper surface`s e.g. bearing bore, cylindricity and internal diameter measuring device, has measuring device determining surface diameter in area of measuring surface by evaluating common capacity |
| CN1851396A (en) * | 2006-05-17 | 2006-10-25 | 合肥工业大学 | Hand-set lid flatness on-line measuring system and method |
| CN101082477A (en) * | 2007-07-05 | 2007-12-05 | 重庆齿轮箱有限责任公司 | Meter for conic hole |
| RU2381443C2 (en) * | 2008-05-05 | 2010-02-10 | Закрытое акционерное общество "РС-Лизинг" | Hole axis and plane misalignment metre |
| CN103322878A (en) * | 2013-07-02 | 2013-09-25 | 镇江中船设备有限公司 | Special detection tool for conical surface runout of cylinder cover valve seat of diesel engine |
| CN206281471U (en) * | 2016-11-15 | 2017-06-27 | 无锡富瑞德测控仪器股份有限公司 | A kind of angle block gauge towards conical surface measurement |
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Application publication date: 20170215 |