CN105547099B - The diameter measuring device and method to uniform section of fuel nozzle class conical part - Google Patents
The diameter measuring device and method to uniform section of fuel nozzle class conical part Download PDFInfo
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- CN105547099B CN105547099B CN201510882401.9A CN201510882401A CN105547099B CN 105547099 B CN105547099 B CN 105547099B CN 201510882401 A CN201510882401 A CN 201510882401A CN 105547099 B CN105547099 B CN 105547099B
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses the diameter measuring devices and method to uniform section of a kind of fuel nozzle class conical part.The diameter measuring device to uniform section of fuel nozzle class conical part, including dial framework, dial framework includes for assembling the survey table mounting portion of survey table, being assemblied in survey table mounting portion and being retracted the survey table apart from accurate measuring length, the part mounting portion for assembling part to be measured by gauge rod movement and be set between survey table mounting portion and part mounting portion for the diameter to uniform section of part to be measured to be reflected into the lever mechanism of the length value on survey table.Using comparative method for measuring diameter of part, scaling step is eliminated, eliminates influence of the centering precision to measurement accuracy.It can directly be measured during cone face process, help the machining state of real time measurement product, determine machined parameters.Impact direction is converted by lever mechanism, but does not influence measured value, axial force leads to distortion inaccuracy caused by gauge rod elastic bending when the conical surface being avoided to push directly on table bar.
Description
Technical field
The present invention relates to aero-engine fuel nozzle class conical part processing technique fields to be particularly related to a kind of combustion
The diameter measuring device to uniform section of oil burner nozzle class conical part.Moreover, it relates to which a kind of includes that above-mentioned fuel oil sprays
The diameter measurement to uniform section of the fuel nozzle class conical part of the diameter measuring device to uniform section of mouth class conical part
Method.
Background technique
Conical surface diameter of section measuring technique mainly has electromagnetic induction technology, optical measurement and by between measurement length at present
Connect the methods of measurement (such as Fig. 5).Electromagnetic induction technology and optical gauge are expensive, and can not accomplish on-line measurement, Bu Nengzhi
Connect Instructing manufacture.
By measurement length (H in Fig. 5), measurement conical surface diameter of section, part 1 ' and dial framework 2 ' pass through outer circle and inner hole indirectly
Cooperating centering at φ D1, is bonded part datum level A with dial framework, amount head 3 ' and 1 ' contact position of part keep sharp edge (Fig. 5), from
And guarantee with diameter phi D when feature contacts to be measured diameter, length value H is measured by playing table.
The indirect method of measurement has following three drawbacks:
It is positioned 1. being fitted close by part outer circle and dial framework inner hole, but introduces the manufacture of dial framework inner hole Yu part outer circle
Tolerance causes dial framework inner hole centreline not to be overlapped with the center line of part outer circle, measurement inaccuracy；
2. amount head sharp edge and feature contacts are easy to scratch part, cause part rejection；
3. the diameter tolerance of amount head inner hole sharp edge influences greatly measurement result, measurement error is big, and is prone to wear.
Summary of the invention
The present invention provides the diameter measuring devices and method to uniform section of a kind of fuel nozzle class conical part, with solution
The certainly existing indirect method of measurement carries out the measurement of conical surface diameter of section, introduces the manufacturing tolerance of dial framework inner hole Yu part outer circle, causes
Dial framework inner hole centreline is not overlapped with the center line of part outer circle, measurement inaccuracy；Head sharp edge and feature contacts are measured, are easy to scratch
Part causes part rejection；The diameter tolerance for measuring head inner hole sharp edge influences greatly measurement result, and measurement error is big, and is easy mill
The technical issues of damage.
According to an aspect of the present invention, the diameter measurement to uniform section for providing a kind of fuel nozzle class conical part fills
It sets, including dial framework, dial framework includes for assembling the survey table mounting portion of survey table, being assemblied in survey table mounting portion and by gauge rod movement
Retraction the survey table apart from accurate measuring length, the part mounting portion for assembling part to be measured and be set to survey table mounting portion with
For the diameter to uniform section of part to be measured to be reflected into the lever mechanism of the length value on survey table between part mounting portion.
Further, lever mechanism includes loaded on the straight pin on dial framework wall body and the thick stick being rotationally connected on straight pin
Bar；The first end of lever is contacted with the gauge rod of survey table, the second end of lever and feature contacts to be measured；The first end of lever and second
End is at right angles arranged.
Further, lever include touching table segment for being in contact with the gauge rod of survey table and for part to be measured to
The measuring section that uniform section is in contact；Touch the equal length of table segment and measuring section；The position being in contact in touching table segment with gauge rod is set as
The contact platform matched with gauge rod end；The position being in contact on measuring section with part to be measured is set as hemispherical contact face.
Further, it surveys table and uses dial gauge or amesdial.
Further, survey table mounting portion offers the table accommodating chamber for accommodating survey table and matching with survey off-balancesheet shape, surveys
The gauge rod of table stretches out survey table mounting portion towards lever mechanism and contacts with lever mechanism.
Further, survey table mounting portion is equipped with towards arrangement in table accommodating chamber and the table for fixing survey table grips
Part.
Further, zero for accommodating part to be measured and matching with External Shape to be measured is offered on part mounting portion
The circular cone of part accommodating chamber, part to be measured stretches out part mounting portion towards lever mechanism and contacts with lever mechanism.
Further, part mounting portion is equipped with towards arrangement in part accommodating chamber and the part for fixing part to be measured
Grip part.
Further, there is datum level, part to be measured has aligning surface on part mounting portion；Component assembly to be measured is in part
In mounting portion and pass through the aligning surface accurate positioning to realize part to be measured overlapping with datum level.
According to another aspect of the present invention, the diameter to uniform section for additionally providing a kind of fuel nozzle class conical part is surveyed
Amount method, uses the diameter measuring device to uniform section such as above-mentioned fuel nozzle class conical part, and the following steps are included:
The inner hole surface for being packed into dial framework will be first matched to the periphery of table part, rotation makes to the measurement aligning surface and dial framework on table part table part
On measurement datum be bonded completely；Housing screw is tightened to eliminate to the fit clearance between table part and dial framework；Table is played, will be surveyed
Table zeroing；It unclamps housing screw and removes to table part, carry out playing table by housing screw is tightened after above-mentioned steps loading part to be measured,
Record beats tabular value；The tabular value of beating of part to be measured is compared with the tabular value of beating to table part, to complete fuel nozzle class circular cone
The diameter measurement to uniform section of part.
The invention has the following advantages:
The diameter measuring device to uniform section of fuel nozzle class conical part of the present invention is straight using comparative method for measuring part
Diameter eliminates scaling step, eliminates influence of the centering precision to measurement accuracy.It can directly measure, help during cone face process
The machining state of real time measurement product, determines machined parameters.Diameter of section is directly measured by playing table, avoids existing method amount
Head sharp edge bearing tolerances bring measurement error.Impact direction is converted by lever mechanism, but does not influence measured value, avoids the conical surface
Axial force leads to distortion inaccuracy caused by gauge rod elastic bending when pushing directly on table bar.Suitable for fuel nozzle class conical part
The accurate of conical surface sectional dimension of the circular cone to the diameter measurement of uniform section, especially part measured diameter size less than 100mm is surveyed
Amount is mainly used for the accurate measurement with conical surface part such as fuel nozzle.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the knot of the diameter measuring device to uniform section of the fuel nozzle class conical part of the preferred embodiment of the present invention
Structure schematic diagram；
Fig. 2 is the overlooking structure diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of the measurement part of the preferred embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the part to be measured of the preferred embodiment of the present invention；
Fig. 5 is the existing structural schematic diagram for measuring conical surface diameter of section indirectly by measuring length.
Marginal data:
1, dial framework；101, table mounting portion is surveyed；1011, table accommodating chamber；1012, table folder holds fixing piece；102, table is surveyed；1021,
Gauge rod；103, part mounting portion；1031, part accommodating chamber；1032, part grips part；104, lever mechanism；1041, circle
Pin；1042, lever；2, table segment is touched；201, platform is contacted；3, measuring section；301, hemispherical contact face；4, part to be measured；5,
Bushing.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Fig. 1 is the knot of the diameter measuring device to uniform section of the fuel nozzle class conical part of the preferred embodiment of the present invention
Structure schematic diagram；Fig. 2 is the overlooking structure diagram of Fig. 1；Fig. 3 is the structural representation of the measurement part of the preferred embodiment of the present invention
Figure；Fig. 4 is the structural schematic diagram of the part to be measured of the preferred embodiment of the present invention.
As depicted in figs. 1 and 2, the diameter measuring device to uniform section of the fuel nozzle class conical part of the present embodiment,
Including dial framework 1, dial framework 1 includes for assembling the survey table mounting portion 101 of survey table 102, being assemblied in survey table mounting portion 101 and pass through
Survey table 102 of the mobile retraction of gauge rod 1021 apart from accurate measuring length, for assemble the part mounting portion 103 of part 4 to be measured with
And it is set between survey table mounting portion 101 and part mounting portion 103 for the diameter to uniform section of part 4 to be measured to be reflected into
Survey the lever mechanism 104 of the length value on table 102.The diameter measurement to uniform section of fuel nozzle class conical part of the present invention fills
It sets, using comparative method for measuring diameter of part, eliminates scaling step, eliminate influence of the centering precision to measurement accuracy.Can directly it exist
It is measured during cone face process, helps the machining state of real time measurement product, determine machined parameters.By beat table directly measure cut
Face diameter avoids existing method amount head sharp edge bearing tolerances bring measurement error.Impact direction is converted by lever mechanism,
But measured value is not influenced, axial force leads to distortion inaccuracy caused by gauge rod elastic bending when the conical surface being avoided to push directly on table bar.
As shown in Figure 1, Figure 2, described in Fig. 3 and Fig. 4, in the present embodiment, lever mechanism 104 includes loaded on the circle on 1 wall body of dial framework
Pin 1041 and the lever 1042 being rotationally connected on straight pin 1041.The first end of lever 1042 and the gauge rod for surveying table 102
1021 contacts.The second end of lever 1042 is contacted with part 4 to be measured.The first end of lever 1042 is at right angles arranged with second end.
The diameter measurements of part 4 to be measured are transmitted to dial gauge or thousand points by the lever 1042 that first end and second end are at right angles arranged
On table gauge rod, measured value is obtained, deviation determines the part conical surface diameter when to deck watch's part and parts measurement；Pass through 1042 turns of lever
Change Impact direction, but do not influence measured value, caused by axial force leads to gauge rod elastic bending when the conical surface being avoided to push directly on table bar
Distortion inaccuracy.
As shown in Figure 1, Figure 2, described in Fig. 3 and Fig. 4, in the present embodiment, lever 1042 includes for the gauge rod 1021 with survey table 102
The touching table segment 2 that is in contact and for the measuring section 3 of part 4 to be measured being in contact to uniform section.Touch table segment 2 and measuring section 3
Equal length.The contact platform matched with 1021 end of gauge rod is set as with the position that gauge rod 1021 is in contact in touching table segment 2
201.The position being in contact on measuring section 3 with part 4 to be measured is set as hemispherical contact face 301.Section is directly measured by playing table
Diameter avoids existing method amount head sharp edge bearing tolerances bring measurement error.Measuring section 3 connects with part 4 to be measured for spherical surface
Touching avoids part caused by sharp side contact and damages, improves measurement accuracy and reliability.It touches table segment 2 and gauge rod 1021 is ball
Being engaged for face and plane, avoids axial force when promotion table bar from leading to distortion inaccuracy caused by gauge rod elastic bending.
As illustrated in figs. 1 and 2, it in the present embodiment, surveys table 102 and uses dial gauge or amesdial.
As shown in Figure 1, Figure 2 and Fig. 3 described in, in the present embodiment, survey table mounting portion 101 offer for accommodate survey table 102 and with
The table accommodating chamber 1011 that 102 shape of survey table matches.The gauge rod 1021 for surveying table 102 is stretched out towards lever mechanism 104 surveys table installation
Portion 101 is simultaneously contacted with lever mechanism 104.Optionally, bushing 5 is additionally provided in table accommodating chamber 1011, survey table 102 is filled by bushing 5
Assigned in table accommodating chamber 1011.
As illustrated in figs. 1 and 2, in the present embodiment, survey table mounting portion 101 is equipped with towards arranging simultaneously in table accommodating chamber 1011
Table folder for fixing survey table 102 holds fixing piece 1012.
As shown in Figure 1, Figure 2, it described in Fig. 3 and Fig. 4, in the present embodiment, is offered on part mounting portion 103 for accommodating to be measured zero
Part 4 and the part accommodating chamber 1031 to match with 4 shape of part to be measured.The circular cone of part 4 to be measured is stretched out towards lever mechanism 104
Part mounting portion 103 is simultaneously contacted with lever mechanism 104.
As shown in Figure 1, Figure 2, described in Fig. 3 and Fig. 4, in the present embodiment, part mounting portion 103 is equipped with towards part accommodating chamber
It is arranged in 1031 and the part for fixing part 4 to be measured grips part 1032.Part 1032 is gripped using part to treat
It surveys part 4 to compress, eliminates fit clearance, avoid part 4 and measuring tool manufacturing tolerance bring centering measurement error to be measured.It is optional
Ground, part grip part 1032 using fastening screw.
As shown in Figure 1, Figure 2, described in Fig. 3 and Fig. 4, in the present embodiment, there is datum level A, part to be measured on part mounting portion 103
4 have aligning surface A'.Part 4 to be measured is assemblied in part mounting portion 103 and overlapping with datum level A with reality by aligning surface A'
The accurate positioning of existing part 4 to be measured.
The diameter measuring method to uniform section of the fuel nozzle class conical part of the present embodiment is sprayed using such as above-mentioned fuel oil
The diameter measuring device to uniform section of mouth class conical part, comprising the following steps: the periphery of table part will first be matched and be packed into
The inner hole surface of dial framework 1, rotation make to be bonded the measurement aligning surface on table part completely with the measurement datum on dial framework 1 to table part；
Housing screw is tightened to eliminate to the fit clearance between table part and dial framework 1；Table is played, survey table 102 is returned to zero；Unclamp housing screw
And remove to table part, it carries out playing table by housing screw is tightened after above-mentioned steps loading part 4 to be measured, record beats tabular value；It will be to be measured
The tabular value of beating of part 4 is compared with the tabular value of beating to table part, thus complete fuel nozzle class conical part to uniform section
Diameter measurement.
When implementation, a kind of diameter measuring device to uniform section of fuel nozzle class conical part is provided, can directly bored
Face in-process measurement helps the machining state of real time measurement product, determines machined parameters.For existing conical surface measurement method
There are the problem of, the present invention has mainly done following improvement: 1. using screw (part grips part 1032) to part (to be measured zero
Part 4) it compresses, fit clearance is eliminated, part (part 4 to be measured) and measuring tool manufacturing tolerance bring centering measurement error are avoided.
2. directly measuring diameter of section by playing table, existing method amount head sharp edge bearing tolerances bring measurement error is avoided.3. amount
Head (measuring section 3) and part (part 4 to be measured) are sphere-contact, avoid part caused by sharp side contact and damage, improve survey
Accuracy of measurement and reliability.
As shown in Figure 1, the diameter measuring device to uniform section of fuel nozzle class conical part of the present invention, including dial gauge
Or amesdial (survey table 102), dial framework 1, lever 1042, housing screw (part grips part 1032), to table part (with reference to theoretical
Zero) just size, head-stamp actual value, to the components such as when playing table for dial framework.4 (to table part) outer circle of part to be measured and dial framework inner hole
(part accommodating chamber 1031) is gap-matched.Keep small stair aligning surface (aligning surface A ' in Fig. 4) and dial framework on part 4 to be measured fixed
Position datum level A (such as Fig. 3) is bonded, and is compressed by housing screw (part grips part 1032) and is eliminated fit clearance.To be measured zero
(to the table part) conical surface of part 4 and amount head shoot face (hemispherical contact face 301) are tangent, to avoid part is scratched.Pass through 90 ° of (touching table segments
With measuring section be in 90 ° of angles) and 1:1 (touching table segment length and measure Length Ratio be 1:1) lever 1042, be transmitted to dial gauge
Or on amesdial gauge rod, obtain measured value.Deviation determines the part conical surface diameter when to deck watch's part and parts measurement.Pass through lever
1042 conversion Impact directions, but measured value is not influenced, axial force leads to gauge rod elastic bending when the conical surface being avoided to push directly on table bar
Caused by distortion inaccuracy.
The diameter measuring device to uniform section of fuel nozzle class conical part of the present invention is straight using comparative method for measuring part
Diameter eliminates scaling step, eliminates influence of the centering precision to measurement accuracy.Measure head (hemispherical contact face 301) and part 4 to be measured
Sphere-contact avoids part 4 to be measured and scratches.Fit clearance is eliminated by housing screw (part grips part 1032).Pass through
90 ° of levers eliminate gauge rod bending deformation error.Solves the problems, such as existing measuring tool measurement inaccuracy.
As shown in figure 3,To measure size, h is distance of the conic section to datum level, and D1 is lever central to percentage
Table gauge rod contact point, D2 are lever central to measurement point length, and D1=D2, H are lever central to measurement datum distance.
Specific measurement method: will first dial framework inner hole surface B (Fig. 3) be packed into table part aligning surface B ' (Fig. 4), rotated to table part
Make to be bonded measurement aligning surface A ' (Fig. 4) on table part completely with measurement datum A on dial framework, tightens housing screw (part clamping
Fixing piece 1032) it eliminates to table part and the face dial framework B fit clearance, table is played, dial gauge (amesdial) is returned to zero (zeroing is repeated 3 times,
To guarantee to Watch Error no more than 0.005).Housing screw (part grips part 1032) is unclamped to remove to table part, by above-mentioned
Step, which is packed into after part 4 to be measured, tightens housing screw (part grips part 1032) and carries out playing table, and record beats tabular value, by with
Table part is compared and completes measurement.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of diameter measuring device to uniform section of fuel nozzle class conical part is used for aero-engine fuel nozzle class
Diameter measurement of the circular cone of conical part to uniform section, including dial framework (1),
It is characterized in that,
The dial framework (1) includes surveying table mounting portion (101), being assemblied in the survey table mounting portion (101) and pass through gauge rod
(1021) survey table (102) of the retraction apart from accurate measuring length, for assemble the part mounting portion (103) of part to be measured (4) with
And be set between the survey table mounting portion (101) and the part mounting portion (103) for by the part (4) to be measured to
The diameter of uniform section is reflected into the lever mechanism (104) of the length value on the survey table (102)；Turned by lever mechanism (104)
Change Impact direction, but do not influence measured value, axial force causes survey table (102) gauge rod elasticity curved when the conical surface being avoided to push directly on table bar
Distortion inaccuracy caused by song；For directly being measured during cone face process, to help the machining state of real time measurement product, really
Determine machined parameters；It surveys table (102) and plays table and directly measure and pass through the conic section diameter after lever mechanism (104) convert, to avoid
The survey table (102) measures head sharp edge bearing tolerances bring measurement error；
Lever mechanism (104) includes loaded on the straight pin (1041) on dial framework (1) wall body and being rotationally connected with straight pin
(1041) lever (1042) on, the first end of lever (1042) are contacted with the gauge rod (1021) for surveying table (102), lever (1042)
Second end contacted with part to be measured (4), the first end of lever (1042) is at right angles arranged with second end, part (4) to be measured
Diameter measurements are transmitted on dial gauge or amesdial gauge rod by the lever (1042) that first end and second end are at right angles arranged,
Measured value is obtained, deviation when to deck watch's part and parts measurement determines part conical surface diameter；By lever (1042) conversion by
Power direction, but measured value is not influenced, axial force leads to deformation caused by gauge rod elastic bending when the conical surface being avoided to push directly on table bar
Error；
Part (4) outer circle to be measured is gap-matched with part accommodating chamber (1031), makes small stair aligning surface on part to be measured (4)
A ' is bonded with dial framework positioning reference plane A, is gripped part (1032) by part and is compressed elimination fit clearance；Part (4) to be measured
The conical surface and the spherical surface of hemispherical contact face (301) are tangent, to avoid part is scratched；By touching table segment and measuring section in 90 ° of folders
The lever (1042) that angle and touching table segment length and measurement Length Ratio are 1:1, is transmitted on dial gauge or amesdial gauge rod, obtains
Measured value, deviation determines the part conical surface diameter when to deck watch's part and parts measurement；Using comparative method for measuring diameter of part, eliminate
Scaling step eliminates influence of the centering precision to measurement accuracy, solves the problems, such as measuring tool measurement inaccuracy.
2. the diameter measuring device to uniform section of fuel nozzle class conical part according to claim 1, feature exist
In,
The lever (1042) include the touching table segment (2) for being in contact with the gauge rod (1021) of the survey table (102) with
And it is used for and the measuring section (3) of the part (4) to be measured being in contact to uniform section；
The equal length of touching table segment (2) and the measuring section (3)；
It is set as matching with the gauge rod (1021) end with the position that the gauge rod (1021) is in contact on touching table segment (2)
Contact platform (201)；
The position being in contact on the measuring section (3) with the part (4) to be measured is set as hemispherical contact face (301).
3. the diameter measuring device to uniform section of fuel nozzle class conical part according to claim 1, feature exist
In,
The survey table (102) uses dial gauge or amesdial.
4. the diameter measurement to uniform section of fuel nozzle class conical part according to any one of claim 1 to 3 fills
It sets, which is characterized in that
The survey table mounting portion (101) offers for accommodating the survey table (102) and matching with survey table (102) shape
Table accommodating chamber (1011),
The gauge rod (1021) for surveying table (102) stretches out the survey table mounting portion (101) towards the lever mechanism (104)
And it is contacted with the lever mechanism (104).
5. the diameter measuring device to uniform section of fuel nozzle class conical part according to claim 4, feature exist
In,
The survey table mounting portion (101) is equipped with towards arrangement in the table accommodating chamber (1011) and for fixing the survey table
(102) table folder holds fixing piece (1012).
6. the diameter measurement to uniform section of fuel nozzle class conical part according to any one of claim 1 to 3 fills
It sets, which is characterized in that
Offered on the part mounting portion (103) for accommodate the part to be measured (4) and with part (4) shape to be measured
The part accommodating chamber (1031) to match,
The circular cone of the part to be measured (4) towards the lever mechanism (104) stretch out the part mounting portion (103) and with it is described
Lever mechanism (104) contact.
7. the diameter measuring device to uniform section of fuel nozzle class conical part according to claim 6, feature exist
In,
The part mounting portion (103) is equipped with towards arrangement in the part accommodating chamber (1031) and is used to fix described to be measured
The part of part (4) grips part (1032).
8. the diameter measuring device to uniform section of fuel nozzle class conical part according to claim 6, feature exist
In,
There is datum level (A) on the part mounting portion (103), the part (4) to be measured has aligning surface (A')；
The part to be measured (4) is assemblied in the part mounting portion (103) and by the aligning surface (A') and the benchmark
The overlapping in face (A) is to realize the accurate positioning of the part to be measured (4).
9. a kind of diameter measuring method to uniform section of fuel nozzle class conical part, which is characterized in that
It is filled using the diameter measurement to uniform section of fuel nozzle class conical part such as described in any item of the claim 1 to 8
It sets, comprising the following steps:
First the inner hole surface for being packed into dial framework (1) will be matched to the periphery of table part, rotating makes to the measurement alignment on table part table part
Face is bonded completely with the measurement datum on dial framework (1)；
Housing screw is tightened to eliminate to the fit clearance between table part and dial framework (1)；
Table is played, table (102) zeroing will be surveyed；
It unclamps housing screw and removes to table part, carry out playing table by housing screw is tightened after above-mentioned steps loading part (4) to be measured,
Record beats tabular value；
The tabular value of beating of part to be measured (4) is compared with the tabular value of beating to table part, to complete fuel nozzle class conical part
The diameter measurement to uniform section.
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| CN201510882401.9A CN105547099B (en) | 2015-12-03 | 2015-12-03 | The diameter measuring device and method to uniform section of fuel nozzle class conical part |
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| CN201510882401.9A CN105547099B (en) | 2015-12-03 | 2015-12-03 | The diameter measuring device and method to uniform section of fuel nozzle class conical part |
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| CN109000541A (en) * | 2018-09-05 | 2018-12-14 | 中国航发动力股份有限公司 | A kind of micro hole part degree mouth diameter measuring device and method |
| CN111482772B (en) * | 2020-04-21 | 2021-04-20 | 四川航天中天动力装备有限责任公司 | Processing technology of combined fuel nozzle |
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| CN201688807U (en) * | 2010-04-23 | 2010-12-29 | 西安航空动力控制有限责任公司 | Idler wheel measuring tool |
| CN202582430U (en) * | 2012-04-18 | 2012-12-05 | 湖南南方宇航工业有限公司 | Shoulder slot width measuring instrument |
| CN202793295U (en) * | 2012-10-17 | 2013-03-13 | 中国重汽集团杭州发动机有限公司 | Fuel injector hole big head groove coaxiality testing tool |
| CN204043577U (en) * | 2014-07-23 | 2014-12-24 | 慈溪市汇丽机电有限公司 | A kind of lever internal bore groove apparatus for detecting diameter |
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| CN105547099A (en) | 2016-05-04 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |