CN108620952A - A kind of hole internal diameter On-line Measuring Method - Google Patents
A kind of hole internal diameter On-line Measuring Method Download PDFInfo
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- CN108620952A CN108620952A CN201710158759.6A CN201710158759A CN108620952A CN 108620952 A CN108620952 A CN 108620952A CN 201710158759 A CN201710158759 A CN 201710158759A CN 108620952 A CN108620952 A CN 108620952A
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- gauge head
- hole
- head
- machine tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- Mechanical Engineering (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The present invention provides a kind of hole internal diameter On-line Measuring Method, operation principle is：Hole on hole type parts on numerically-controlled machine tool after processing is completed,Stop processing,Rise cutter head,Remove handle of a knife,It then will be on measuring staff and gauge head clamping to machine tool chief axis,Start to measure after hole type parts are cooled to room temperature,Start special measurement kit,Numerically-controlled machine tool is pressed given numerical control program and is driven near gauge head to hole axle center to be measured,And gauge head is fallen in waiting in gaging hole on the section of arbitrary height position,Then numerically-controlled machine tool driving gauge head radially moves along a straight line,Signal is sent out when gauge head and when gaging hole inner wall contacts,Survey tool packet automatically records gauge head and head center position coordinate when gaging hole inner wall contacts,The gauge head of numerically-controlled machine tool driving simultaneously reversely returns to starting point along original route,It so obtains successively when three point coordinates for differing gauge head and head center position when gaging hole inner wall contacts on 120 ° of directions in gaging hole on the section of arbitrary height position,Then survey tool packet is according to this three point coordinates,Automatic solution goes out to wait for internal diameter and central coordinate of circle of the gaging hole on the section.
Description
Technical field
The invention belongs to the field of measuring technique in mechanical engineering, specifically, are related to a kind of hole internal diameter of hole type parts
On-line Measuring Method, the on-line measurement for the hole internal diameter in numerically-controlled machine tool processing.
Background technology
In mechanical engineering, hole type parts are very typical machine components, hole type parts usually with the parts such as axis or bearing
Cooperation, cooperation precision are to ensure the vital factor of mechanical device performance.Thus high-precision hole type parts processing and
The detection of scale error is just particularly important.
There are mainly two types of methods for traditional hole internal diameter measurement：The first, hand dipping method, this method mostly uses spiral micrometer
It moves or the measurers such as micrometer measures, efficiency is low, and labor intensity is big, and is influenced by measuring environment and operating personnel, measures
As a result there is larger human error, and to the hole of large-scale or huge hole type parts carry out hand dipping be it is highly difficult, very
To being impossible；Second, it is based on coordinate survey, is relatively typically measured using three coordinate measuring machine, it is this
Method is versatile, but belongs to off-line measurement, and part is moved to from machining tool on three coordinate measuring machine by when measurement, needs
Repeated clamping to be wanted, and if accessory size is overproof, needed if further finishing, hole type parts must go up lathe again,
Clamping again can influence secondary operation precision.In order to make up drawbacks described above, the present invention proposes that a kind of hole internal diameter of hole type parts exists
Line measurement method, by this method, we can carry out aperture directly on numerically-controlled machine tool after hole in piece part processes
On-line measurement easily can carry out secondary operation according to error information, not only ensure machining accuracy if dimension overproof, and
And greatly save the time of secondary clamping.Hole can also be easily obtained online by certain data processing using this method
The Form and position errors such as cylindricity, carry out error compensation.
Invention content
The present invention is directed to the practical problem in engineering, provides a kind of hole internal diameter On-line Measuring Method.
The present invention is achieved by the following technical solutions：
1, hole type parts（2）On hole in numerically-controlled machine tool（1）On after processing is completed, stop processing, rise cutter head, remove handle of a knife,
Then by measuring staff（4）And gauge head（3）On clamping to machine tool chief axis, gauge head（3）On have sensor, work as gauge head（3）With wait in gaging hole
Wall can send out signal, numerically-controlled machine tool when contacting（1）Gauge head is driven immediately after receiving this signal（3）It reversely returns and originates along original route
Point.
2, hole type parts are waited for（2）Start to measure again after being cooled to room temperature, starts special measurement kit first, it is artificial to plan
Machine tool motion path sets kinematic parameter, and then special measurement kit carries out CNC automatic programming, numerically-controlled machine tool（1）By to
Fixed number control driven by program gauge head（3）To hole axle center to be measured nearby O', and fall gauge head（3）In waiting for arbitrary height position in gaging hole
Section on, then numerically-controlled machine tool（1）Drive gauge head（3）It radially moves along a straight line, works as gauge head（3）It is connect with gaging hole inner wall A points are waited for
Signal is sent out when tactile, survey tool packet automatically records gauge head（3）With head center position coordinate A when gaging hole inner wall A point contacts
(X1,Y1), meanwhile, numerically-controlled machine tool（1）Drive gauge head（3）Reversely returned at starting point O' along original route.
3, numerically-controlled machine tool（1）Continue to drive gauge head by given numerical control program（3）Along with first time radial motion direction at
120oAngle does radial alignment movement, works as gauge head（3）Signal is sent out with when gaging hole inner wall B point contacts, survey tool packet is automatic
Record gauge head（3）With head center position coordinate B (X when gaging hole inner wall B point contacts2,Y2), meanwhile, numerically-controlled machine tool（1）Driving
Gauge head（3）It is reversely returned at starting point O' along original route again.
4, similarly, numerically-controlled machine tool（1）Continue to drive gauge head by given numerical control program（3）Edge and second of radial motion side
To at 120oAngle does radial alignment movement, works as gauge head（3）Signal, survey tool packet are sent out with when gaging hole inner wall C point contacts
Automatically record gauge head（3）With head center position coordinate C (X when gaging hole inner wall C point contacts3,Y3), meanwhile, numerically-controlled machine tool（1）
Drive gauge head（3）It is reversely returned at starting point O' along original route again, and rises gauge head（3）.In this way, utilizing numerically-controlled machine tool（1）
Motion control and gauge head sensor, gauge head can be obtained（3）With head center position coordinate when gaging hole inner wall contacts.
5, special measurement kit, according to the head center position coordinate A (X recorded1,Y1)、B(X2,Y2)、C(X3,
Y3), Automatic solution goes out to wait for internal diameter D and central coordinate of circle O (X of the gaging hole on the sectiono,Yo), algorithm is as follows：
Wait for gaging hole central coordinate of circle O (Xo,Yo) be
（1）
Formula（1）In,
（2）
（3）
Formula（2）, formula（3）In, i, j are respectively n-th measuring point and (n+1)th measuring point,
Gauge head center radius of circle R is
（4）
Formula（4）In, i is n-th measuring point,
Then internal diameter D in hole is
（5）
Formula（5）In, i is n-th measuring point, and d is measuring head diameter.
Description of the drawings：
Fig. 1：Measuring device schematic diagram of the present invention；
Fig. 2：Hole internal diameter on-line measurement gauge head motion path schematic diagram.
Specific implementation mode：
1 and Fig. 2 and further specific implementation explanation is done to method of the present invention below in conjunction with the accompanying drawings.
A kind of shaft hole diameter On-line Measuring Method of the present invention, comprises the steps of：
1. working as hole type parts（2）On hole in numerically-controlled machine tool（1）On after processing is completed, stop processing, rise cutter head, remove knife
Handle, then by measuring staff（4）And gauge head（3）On clamping to machine tool chief axis, hole type parts are waited for（2）Start to survey again after being cooled to room temperature
Amount.
2. by numerically-controlled machine tool（1）It is placed in on-line measurement functional mode, starts special measurement kit, it is artificial to plan lathe fortune
Dynamic path, sets kinematic parameter, and then special measurement kit carries out CNC automatic programming, numerically-controlled machine tool（1）By given numerical control
Driven by program gauge head（3）To hole axle center to be measured nearby O', and fall gauge head（3）In the section for waiting for arbitrary height position in gaging hole
On.
3. numerically-controlled machine tool（1）Drive gauge head（3）Motion path as shown in Figure 2 1. → 2. → 3. → 4. → 5. → 6. suitable
Sequence moves, and works as gauge head（3）Signal is sent out with when gaging hole inner wall A point contacts, survey tool packet automatically records gauge head（3）With it is to be measured
Head center position coordinate A (X when the inner wall A point contacts of hole1,Y1), meanwhile, numerically-controlled machine tool（1）Drive gauge head（3）Reversely along former road
Diameter returns at starting point O'.
4. numerically-controlled machine tool（1）Continue to drive gauge head（3）Radial alignment is done to B points to move, work as gauge head by planning path（3）With
Signal is sent out when gaging hole inner wall B point contacts, survey tool packet automatically records gauge head（3）It is surveyed with when gaging hole inner wall B point contacts
Head center position coordinates B (X2,Y2), meanwhile, numerically-controlled machine tool（1）Drive gauge head（3）Again reversely starting point O' is returned to along original route
Place.
5. numerically-controlled machine tool（1）Continue to drive gauge head（3）Radial alignment is done to C points to move, work as gauge head by planning path（3）
Signal is sent out with when gaging hole inner wall C point contacts, survey tool packet automatically records gauge head（3）With when gaging hole inner wall C point contacts
Head center position coordinate C (X3,Y3), meanwhile, numerically-controlled machine tool（1）Drive gauge head（3）Again reversely starting point is returned to along original route
At O', and rise gauge head（3）.
6. according to the head center position coordinate A (X recorded1,Y1), B (X2,Y2), C (X3,Y3), it calculates and waits for gaging hole
Internal diameter D on the section and central coordinate of circle O (Xo,Yo), algorithm is as follows：
As shown in Fig. 2, according to the head center position coordinate A (X recorded1,Y1), B (X2,Y2), C (X3,Y3) and center of circle O (Xo,
Yo the position relationship between) can obtain
（1）
Solving equations obtain central coordinate of circle
（2）
Formula（2）In（3）
（4）
Formula（3）, formula（4）In, i, j are respectively n-th measuring point and (n+1)th measuring point,
（2）It substitutes into（1）Gauge head center radius of circle R, which can be obtained, is
（5）
Formula（5）In, i is n-th measuring point,
Then wait for that gaging hole internal diameter D is
（6）
Formula（6）In, i is n-th measuring point, and d is measuring head diameter.
7. repeating step 2-6, can obtain waiting for the internal diameter and central coordinate of circle on the other arbitrary sections of gaging hole.
Above-described embodiment is to be described further to the above of the present invention, but it is above-mentioned that this should not be interpreted as to the present invention
The range of theme is only limitted to above-described embodiment.It is all to be all belonged to the scope of the present invention based on the technology that the above is realized.
Claims (4)
1. a kind of hole internal diameter On-line Measuring Method, it is characterised in that：Hole type parts（2）On hole in numerically-controlled machine tool（1）Upper processing
After the completion, stop processing, rise cutter head, handle of a knife is removed, then by measuring staff（4）And gauge head（3）On clamping to machine tool chief axis, hole is waited for
Class part（2）Start to measure after being cooled to room temperature, obtains wait for differing 120 ° of sides in gaging hole on the section of arbitrary height position successively
Three point coordinates of upward gauge head and head center position when gaging hole inner wall contacts, then Automatic solution go out to wait for the internal diameter D of gaging hole
With central coordinate of circle O (Xo,Yo)。
2. a kind of hole internal diameter On-line Measuring Method according to claim 1, which is characterized in that special measurement kit is used,
Numerically-controlled machine tool（1）Gauge head is driven by given numerical control program（3）To hole axle center to be measured nearby O', and fall gauge head（3）In to be measured
In hole on the section of arbitrary height position, then numerically-controlled machine tool（1）Drive gauge head（3）It radially moves along a straight line, works as gauge head（3）With
Signal is sent out when gaging hole inner wall A point contacts, survey tool packet automatically records gauge head（3）It is surveyed with when gaging hole inner wall A point contacts
Head center position coordinates A (X1,Y1), meanwhile, numerically-controlled machine tool（1）Drive gauge head（3）Reversely returned at starting point O' along original route,
It then proceedes to drive gauge head by given numerical control program（3）Edge is with first time radial motion direction at 120oAngle does radial alignment fortune
It is dynamic, work as gauge head（3）Signal is sent out with when gaging hole inner wall B point contacts, survey tool packet automatically records gauge head（3）With wait in gaging hole
Head center position coordinate B (X when wall B point contacts2,Y2), meanwhile, numerically-controlled machine tool（1）Drive gauge head（3）Again reversely along former road
Diameter returns at starting point O', and continues to drive gauge head by given numerical control program（3）Edge is with second of radial motion direction at 120o
Angle does radial alignment movement, works as gauge head（3）Signal is sent out with when gaging hole inner wall C point contacts, survey tool packet automatically records
Gauge head（3）With head center position coordinate C (X when gaging hole inner wall C point contacts3,Y3), meanwhile, numerically-controlled machine tool（1）Drive gauge head
（3）It is reversely returned at starting point O' along original route again, and rises gauge head（3）.
3. a kind of hole internal diameter On-line Measuring Method according to claim 1, which is characterized in that gauge head（3）On have sensor, when
Gauge head（3）Signal, numerically-controlled machine tool can be sent out with when gaging hole inner wall contacts（1）Gauge head is driven after receiving this signal（3）Reversed edge
Original route returns to starting point.
4. a kind of hole internal diameter On-line Measuring Method according to claim 1, which is characterized in that special measurement kit is according to note
The head center position coordinate A (X of record1,Y1)、B(X2,Y2)、C(X3,Y3), Automatic solution goes out to wait for internal diameter of the gaging hole on the section
D and central coordinate of circle O (Xo,Yo), algorithm is as follows：
Wait for gaging hole central coordinate of circle O (Xo,Yo) be
（1）
Formula（1）In,
（2）
（3）
Formula（2）, formula（3）In, i, j are respectively n-th measuring point and (n+1)th measuring point,
Hole internal diameter D is
（4）
Formula（4）In, i is n-th measuring point, and d is measuring head diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158759.6A CN108620952A (en) | 2017-03-17 | 2017-03-17 | A kind of hole internal diameter On-line Measuring Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710158759.6A CN108620952A (en) | 2017-03-17 | 2017-03-17 | A kind of hole internal diameter On-line Measuring Method |
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| CN108620952A true CN108620952A (en) | 2018-10-09 |
Family
ID=63686691
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|---|---|---|---|
| CN201710158759.6A Pending CN108620952A (en) | 2017-03-17 | 2017-03-17 | A kind of hole internal diameter On-line Measuring Method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045680A (en) * | 2019-05-15 | 2019-07-23 | 中国铁建重工集团股份有限公司 | The measurement method of on-line checking cantilever crane bulk on a kind of numerically-controlled machine tool |
| CN110052936A (en) * | 2019-05-10 | 2019-07-26 | 南京工程学院 | A kind of nozzle inner and outer surfaces and cross grinding system |
| CN112161579A (en) * | 2020-09-17 | 2021-01-01 | 武大巨成结构股份有限公司 | Anchor hole inner diameter measuring device and measuring method |
| CN113483623A (en) * | 2021-07-19 | 2021-10-08 | 西门子电机(中国)有限公司 | Machine base machining size detection system |
| CN113814795A (en) * | 2021-10-28 | 2021-12-21 | 徐州徐工挖掘机械有限公司 | Workpiece processing data measuring, correcting and checking method and system based on dual-channel on-machine measurement |
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| CN101733680A (en) * | 2009-12-29 | 2010-06-16 | 上海交通大学 | Non-contact type on-line measurement device and method of large-size bearing roller way |
| CN205785152U (en) * | 2016-04-05 | 2016-12-07 | 中航飞机起落架有限责任公司 | A kind of deep hole inside groove gage measuring head and measurer |
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2017
- 2017-03-17 CN CN201710158759.6A patent/CN108620952A/en active Pending
Patent Citations (3)
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| JP2001269843A (en) * | 2000-03-27 | 2001-10-02 | Okuma Corp | Measuring method for center position of rotating tool |
| CN101733680A (en) * | 2009-12-29 | 2010-06-16 | 上海交通大学 | Non-contact type on-line measurement device and method of large-size bearing roller way |
| CN205785152U (en) * | 2016-04-05 | 2016-12-07 | 中航飞机起落架有限责任公司 | A kind of deep hole inside groove gage measuring head and measurer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052936A (en) * | 2019-05-10 | 2019-07-26 | 南京工程学院 | A kind of nozzle inner and outer surfaces and cross grinding system |
| CN110052936B (en) * | 2019-05-10 | 2023-10-13 | 南京工程学院 | Pipe orifice inner and outer surface and end face grinding system |
| CN110045680A (en) * | 2019-05-15 | 2019-07-23 | 中国铁建重工集团股份有限公司 | The measurement method of on-line checking cantilever crane bulk on a kind of numerically-controlled machine tool |
| CN110045680B (en) * | 2019-05-15 | 2020-10-16 | 中国铁建重工集团股份有限公司 | Measuring method for online detection of spatial dimension of arm support on numerical control machine tool |
| CN112161579A (en) * | 2020-09-17 | 2021-01-01 | 武大巨成结构股份有限公司 | Anchor hole inner diameter measuring device and measuring method |
| CN113483623A (en) * | 2021-07-19 | 2021-10-08 | 西门子电机(中国)有限公司 | Machine base machining size detection system |
| CN113483623B (en) * | 2021-07-19 | 2024-01-02 | 西门子电机(中国)有限公司 | Engine base machining size detection system |
| CN113814795A (en) * | 2021-10-28 | 2021-12-21 | 徐州徐工挖掘机械有限公司 | Workpiece processing data measuring, correcting and checking method and system based on dual-channel on-machine measurement |
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Application publication date: 20181009 |