CN105783833A - Measurement method for actual size of minor arc part on lubricating oil pump slide sleeve component - Google Patents
Measurement method for actual size of minor arc part on lubricating oil pump slide sleeve component Download PDFInfo
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- CN105783833A CN105783833A CN201610288948.0A CN201610288948A CN105783833A CN 105783833 A CN105783833 A CN 105783833A CN 201610288948 A CN201610288948 A CN 201610288948A CN 105783833 A CN105783833 A CN 105783833A
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- measurement
- oil pump
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
Abstract
The invention provides a measurement method for the actual size of a minor arc part on a lubricating oil pump slide sleeve component. The measurement method comprises the following steps that N measurement sections are selected on the minor arc part; the measurement pin of a three-coordinate measurement machine is applied to operate along the measurement arc segment on each measurement section; the three-coordinate measurement machine outputs the radius Ri, the circularity Oi and the center distance Li of each measurement arc segment under the premise of circular element evaluation; the three-coordinate measurement machine outputs the radius R, the circularity O and the center distance L of a measurement cylindrical surface formed by N measurement arc segments under the premise of cylindrical element evaluation; and the radius Ri, the circularity Oi and the center distance Li of each measurement arc segment are compared with the radius R, the circularity O and the center distance L of the measurement cylindrical surface, and whether the measured lubricating oil pump slide sleeve component is a qualified member is judged. The measurement precision of the size of the radius and the center distance of the minor arc part on the measured lubricating oil pump slide sleeve component can be enhanced, and measurement error can be reduced.
Description
Technical field
The present invention relates to the measuring method of a kind of part actual size, particularly relate to a kind of lubricating oil pump low sleeve assembly and lack the measuring method of position actual size last month.
Background technology
In car engine lubrication system, lubricating oil pump is responsible for machine oil is delivered to each engine movement part in oil sump, and its simple in construction, volume are little, lightweight, oil transportation amount big, therefore are widely used.Lubricating oil pump low sleeve assembly is one of major part in lubricating oil pump, as it is shown in figure 1, have the moon on lubricating oil pump low sleeve assembly 1 to lack position 11, within this month, scarce position 11 is a recessed part cylindrical portion；It is to say, from the upward view of Fig. 2, it is arc section that the moon lacks the contour line at position 11, and arc section is less than 1/4th circles.Simultaneously, owing to lubricating oil pump low sleeve assembly is a major part in lubricating oil pump, therefore the run stability of the processing precision direct influence lubricating oil pump of lubricating oil pump low sleeve assembly, therefore, after lubricating oil pump low sleeve assembly manufactures, its size must being measured, if measurement result is all on lubricating oil pump low sleeve component part figure in the scope of each dimensioning, then part is qualified；If there being measurement result not on lubricating oil pump low sleeve component part figure in the scope of each dimensioning, then part is defective, carries out doing over again or scrapping process.Said engine oil pump low sleeve component part lacks the measured size at position last month and mainly includes radius and centre-to-centre spacing, and described centre-to-centre spacing refers to that the moon lacks the distance between the center of circle and the axle center of low sleeve assembly at position.At present, bigger error all can be produced when measuring machine oil pump low sleeve assembly lacks radius and the centre-to-centre spacing at position last month, cannot accurately obtain and lack part last month the actual radius in position and centre-to-centre spacing numerical value, as easy as rolling off a log cause qualified part to be done over again by mistake or report give up, underproof part is judged to qualified phenomenon.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of lubricating oil pump low sleeve assembly and lack the measuring method of position actual size last month, it can accurately be measured part and lack real radius and the centre-to-centre spacing at position last month, improves part actual size, particularly part and lacks the certainty of measurement of position actual size last month.
For achieving the above object, the present invention provides a kind of lubricating oil pump low sleeve assembly to lack the measuring method of position actual size last month, comprises the following steps successively:
1), measurement coordinate system during three coordinate measuring engine measurement is set up according to the benchmark marked on the part drawing of tested lubricating oil pump low sleeve assembly；
2), on the tested lubricating oil pump low sleeve assembly with the scarce position of the moon, N number of measurement cross section, described N 2 are chosen；
Each measurement cross section includes the measurement arc section forming the scarce position of the moon, N number of measurement cross section axially arranging successively along tested lubricating oil pump low sleeve assembly；
3), the chaining pin of the described three coordinate measuring machine measurement arc section along each measurement cross section is used to run, continuously more than scanning M point；Under the premise to justify element evaluation, three coordinate measuring machine automatically calculate and export the radius R of each measurement arc sectioni, circularity Oi, and centre-to-centre spacing Li, 1 i N, and i is integer；
4), reuse the chaining pin of the described three coordinate measuring machine measurement arc section along each measurement cross section and run, continuously more than scanning M point；Under the premise with cylinder element evaluation, three coordinate measuring machine automatically calculate and export be made up of N number of measurement arc section measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L；
5), by the radius R of each measurement arc sectioni, circularity Oi, and centre-to-centre spacing LiRespectively with measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L compares, and judge that tested lubricating oil pump low sleeve assembly is whether as pieces O.K. according to comparative result；
Radius R when each measurement arc sectioni, circularity OiWith centre-to-centre spacing Li, and measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L all on the part drawing of tested lubricating oil pump low sleeve assembly in the scope of corresponding dimensioning, and as the radius R of each measurement arc sectioniWith measure the radius R value of delta 1 on the face of cylinder in the first allowed band, the circularity O of each measurement arc sectioniWith measure the cylindricity O value of delta 2 on the face of cylinder in the second allowed band and the centre-to-centre spacing L of each measurement arc sectioniDuring with the centre-to-centre spacing L value of delta 3 on the measurement face of cylinder in the 3rd allowed band, then judge that tested lubricating oil pump low sleeve assembly is as pieces O.K..
Preferably, described step 5) in, described first allowed band and the 3rd allowed band are [0,0.01], and described second allowed band is [0,0.005].
Further, described N=3, three measurement cross sections are respectively positioned at the moon and lack the upper measurement cross section of position upper end, are positioned at the middle lower measurement cross section measured cross section and be positioned at the moon scarce position lower end of the scarce middle, position of the moon.
Preferably, the chaining pin end of described three coordinate measuring machine has along measuring the probe that arc section runs, this probe is radius is the spherical of D, lacks described upper measurement cross section and the moon distance W1 between upper surface, position and lower measurement cross section and the distance W2 lacked between lower surface, position by the moon is D.
Preferably, described step 3) and step 4) in, M 100.
Further, described three coordinate measuring machine has control module and the driving module for driving chaining pin to move, and described driving module is connected with controlling module；Described step 3) and step 4) in, the control module of three coordinate measuring machine is run automatically by driving module to control chaining pin measurement arc section along each measurement cross section.
Preferably, described three coordinate measuring machine also includes the data processing operation module and display module that are all connected with described control module, described data processing operation module calculates described step 5 automatically) in value of delta 1, δ 2, δ 3, and data processing operation module value of delta 1, δ 2, δ 3 are exported to controlling module, control module again by value of delta 1, δ 2, δ 3 output display on described display module.
Further, when value of delta 1 not in the first allowed band and/or value of delta 2 not in the second allowed band and/or value of delta 3 not in the 3rd allowed band time, described step 5) also include getting rid of surveying step by mistake, described eliminating is surveyed step by mistake and is included:
51), check the surface lacking position the moon on tested lubricating oil pump low sleeve assembly whether smooth, with or without uneven and there is projection without exception；
52), check whether the surface lacking position the moon on tested lubricating oil pump low sleeve assembly has foreign body to adhere to or whether the chaining pin surface of three coordinate measuring machine has foreign body to adhere to；
53), check for the fixture fixing tested lubricating oil pump low sleeve assembly whether have loosening, whether fixture places steadily and whether clamp base has foreign body to adhere to；
54), check the moon on tested lubricating oil pump low sleeve assembly lack position whether excessive or too small and whether produce skew.
As it has been described above, the measuring method that the present invention relates to, have the advantages that
The application can improve the radius to tested lubricating oil pump low sleeve assembly scarce position last month and the certainty of measurement of centre-to-centre spacing size, reduce measurement error, thus avoiding the erroneous judgement whether tested lubricating oil pump low sleeve assembly is qualified, the final quality inspection quality improving lubricating oil pump low sleeve assembly.
Accompanying drawing explanation
Fig. 1 is the structural representation of lubricating oil pump low sleeve assembly.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the measurement cross section location drawing on lubricating oil pump low sleeve assembly chosen in the application.
Fig. 4 is the part drawing of lubricating oil pump low sleeve assembly.
Element numbers explanation
1 lubricating oil pump low sleeve assembly
November lacks position
Cross section is measured on 2
Cross section is measured in the middle of 3
Measure cross section 4 times
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art the content disclosed by this specification can understand other advantages and effect of the present invention easily.
Notice, the structure of this specification institute accompanying drawings depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this specification cited as " on ", D score, "left", "right", " centre " and " one " etc. term, it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
The present invention provides a kind of lubricating oil pump low sleeve assembly to lack the measuring method of position actual size last month, and judges whether tested lubricating oil pump low sleeve assembly is pieces O.K. according to measurement result.Described measuring method comprises the following steps successively:
Step 1), measurement coordinate system when the benchmark that marks on part drawing according to tested lubricating oil pump low sleeve assembly sets up three coordinate measuring engine measurement, make the benchmark that measurement size that three coordinate measuring machine exports is identical with the corresponding dimensioning employing on tested lubricating oil pump low sleeve component part figure, and then guarantee the concordance between measurement size with corresponding dimensioning.Such as, as shown in Figure 4, on part drawing mark the moon lack position centre-to-centre spacing refer to the moon lack position the center of circle and lubricating oil pump low sleeve assembly axle center between distance, after measurement coordinate system when the benchmark marked on the part drawing according to tested lubricating oil pump low sleeve assembly sets up three coordinate measuring engine measurement, then lacking the centre-to-centre spacing at position the moon of three coordinate measuring machine output is the distance lacking between the center of circle and the lubricating oil pump low sleeve assembly axle center at position by the moon.
Step 2) as it is shown on figure 3, choose N number of measurement cross section on the tested lubricating oil pump low sleeve assembly 1 with this part of the scarce position 11 of the moon, therefore, each measurement cross section includes the measurement arc section forming the scarce position of the moon；Described N 2, and N is positive integer, N number of measurement cross section axially arranging successively along tested lubricating oil pump low sleeve assembly.
Step 3), use the chaining pin of described three coordinate measuring machine to be fitted in the moon completely to lack the surface at position 11 and measurement arc section along each measurement cross section runs, continuously more than scanning M point；Meanwhile, in running chaining pin without departing from the moon lack position 11 surface and on continuous acquisition each measurement cross section all measure point data, and each measure point data acquisition be all automatically performed by three coordinate measuring machine.Additionally, the forms such as point, face, line, circle, cylinder, circular cone are referred to as element by three coordinate measuring machine, after determining element form, three-dimensional coordinates measurement chance is according to the measure dot number that obtains according to carrying out automatic Evaluation, and exports under this element form needed for survey crew actual measurement sized data and circularity, position degree, linearity, the flatnesses etc. such as the radius of measurand, diameter, distance and surveys morpheme size.
In the application, select under the premise to justify element evaluation, three coordinate measuring machine calculates and exports the radius R of each measurement arc section automaticallyi, circularity Oi, and centre-to-centre spacing Li, 1 i N, and i is integer；Wherein, RiRepresent the radius of ith measurement arc section, OiRepresent the circularity of ith measurement arc section, LiRepresent the centre-to-centre spacing at the distance of center circle low sleeve assembly axle center of ith measurement arc section.
Step 4), reuse the chaining pin of described three coordinate measuring machine and be fitted in the moon completely and lack the surface at position 11 and the measurement arc section along each measurement cross section runs, continuously more than scanning M point；Select under the premise with cylinder element evaluation, three coordinate measuring machine automatically calculate and export be made up of N number of measurement arc section measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L, the described measurement face of cylinder account for the whole face of cylinder less than four/part.
Step 5), by the radius R of each measurement arc sectioni, circularity Oi, and centre-to-centre spacing LiRespectively with measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L compares, and judge that tested lubricating oil pump low sleeve assembly is whether as pieces O.K. according to the measurement result of comparative result and each size；Basis for estimation is: as the radius R of each measurement arc sectioniWith measure the radius R on the face of cylinder all detail drawing last month lack position radius dimensioning scope in, the circularity O of each measurement arc sectioniWith measure the cylindricity O on the face of cylinder all detail drawing last month lack position cylindricity dimensioning scope in, the centre-to-centre spacing L of each measurement arc sectioniWith measure the centre-to-centre spacing L on the face of cylinder all detail drawing last month lack position centre-to-centre spacing dimensioning scope in, the radius R of each measurement arc sectioniAnd the value of delta 1 measured between the radius R on the face of cylinder in the first allowed band, the circularity O of each measurement arc sectioniAnd the value of delta 2 measured between the cylindricity O on the face of cylinder is in the second allowed band and the centre-to-centre spacing L of each measurement arc sectioniAnd when the value of delta 3 measured between the centre-to-centre spacing L on the face of cylinder is in the 3rd allowed band, then judge that tested lubricating oil pump low sleeve assembly is as pieces O.K..
Pass through above-mentioned steps, the application can accurately measure tested lubricating oil pump low sleeve assembly and lack the actual sizes such as the radius at position, cylindricity and centre-to-centre spacing last month, and it is greatly improved certainty of measurement, reduce measurement error, thus avoiding the erroneous judgement whether tested lubricating oil pump low sleeve assembly is qualified, the final quality inspection quality improving lubricating oil pump low sleeve assembly.
Preferably, described step 5) in, the first allowed band and the 3rd allowed band are [0,0.01], and the second allowed band is [0,0.005].It is to say, when determining whether pieces O.K. according to measurement result, as the radius R of each measurement arc sectioniWith measure the radius R on the face of cylinder all detail drawing last month lack position radius dimensioning scope in, the circularity O of each measurement arc sectioniWith measure the cylindricity O on the face of cylinder all detail drawing last month lack position cylindricity dimensioning scope in and the centre-to-centre spacing L of each measurement arc sectioniWith measure the centre-to-centre spacing L on the face of cylinder all detail drawing last month lack position centre-to-centre spacing dimensioning scope in after, if the radius R of each measurement arc sectioniAnd the value of delta 1 measured between the radius R on the face of cylinder is less than or equal to the circularity O of 0.01mm, each measurement arc sectioniAnd the value of delta 2 measured between the cylindricity O on the face of cylinder is less than or equal to 0.005 and the centre-to-centre spacing L of each measurement arc sectioniAnd the value of delta 3 measured between the centre-to-centre spacing L on the face of cylinder is less than or equal to 0.01mm, could judge that tested lubricating oil pump low sleeve assembly is pieces O.K., also indicate that measurement process no problem simultaneously, otherwise then search the reason producing deviation, determine whether wrong survey, however, it is determined that wrong survey, then again measure；If it is determined that errorless survey, then judge that tested lubricating oil pump low sleeve assembly is as defective part.
In the application, step 5) also comprise determining whether wrong survey, get rid of the step by mistake surveyed, it comprises the following steps:
Step 51), the surface lacking position the moon on visual examination tested lubricating oil pump low sleeve assembly whether smooth, with or without uneven, or use whether the surface lacking position by the extra coarse degree instrument inspection moon has the exception that visually cannot find protruding；
Step 52), whether the surface lacking position the moon on the tested lubricating oil pump low sleeve assembly of visual examination has foreign body to adhere to or whether the chaining pin surface of three coordinate measuring machine has foreign body to adhere to；
Step 53), check for the fixture fixing tested lubricating oil pump low sleeve assembly whether have loosening, whether fixture places steadily and whether clamp base has foreign body to adhere to；
Step 54), whether using specialized simulation assembling cubing to check, to lack position the moon on tested lubricating oil pump low sleeve assembly excessive or too small and whether produce skew.
If by above-mentioned steps 51)-54) check after all normal, it is determined that measurement process does not occur survey phenomenon by mistake；If by above-mentioned steps 51)-54) find have at least one abnormal after detection, such as chaining pin surface has foreign body to adhere to, then by after this removal of obstacle (namely removing the foreign body sticking to chaining pin surface), again according to above-mentioned steps 1)-5) measure and judge.
Further, described N=3, now, as it is shown on figure 3, three measurement cross sections are respectively positioned at the moon and lack the upper measurement cross section 2 of position 11 upper end, are positioned at the middle lower measurement cross section 4 measured cross section 3 and be positioned at the moon scarce position 11 lower end of the scarce middle, position 11 of the moon.Additionally, upper measurement cross section 2 and lower measurement cross section 4 are determined according to the size of the probe of the chaining pin end shape spherical in shape of three coordinate measuring machine at the particular location that the moon lacks on position 11: the radius of probe is D, then lack upper measurement cross section 2 and the moon distance W1 between upper surface, position 11 and lower measurement cross section 4 and the distance W2 lacked between lower surface, position 11 by the moon is D.Such as, the radius of probe is 3mm, then upper measure that cross section 2 is positioned at from lacking the 3mm place of upper surface, position 11 by the moon, lower measurement cross section 4 is positioned at the 3mm place from the moon scarce lower surface, position 11；Therefore, the moon can be gathered as precisely as possible in spherical chaining pin probe and lack the measurement point at the top, position and bottom place, improve the accuracy of measurement result further.
Preferably, described step 3) and step 4) in, M 100, namely need to scan more than 100 points continuously.
Further, described three coordinate measuring machine has control module and the driving module for driving chaining pin to move, and described driving module is connected with controlling module；Described step 3) and step 4) in, the control module of three coordinate measuring machine is by driving module control chaining pin measurement arc section along each measurement cross section automatically to run, to scan more than 100 points continuously.
Preferably, described three coordinate measuring machine also includes the data processing operation module and display module that are all connected with described control module, described data processing operation module calculates described step 5 automatically) in value of delta 1, δ 2, δ 3, and data processing operation module value of delta 1, δ 2, δ 3 are exported to controlling module, control module again by value of delta 1, δ 2, δ 3 output display on described display module, thus realizing automatically processing and computing of data, to reduce manual labor, improve and measure efficiency and data computational accuracy and accuracy.
In sum, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
Above-described embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention.Above-described embodiment all under the spirit and category of the present invention, can be modified or change by any those skilled in the art.Therefore, art has usually intellectual such as modifying without departing from all equivalences completed under disclosed spirit and technological thought or change, must be contained by the claim of the present invention.
Claims (8)
1. the measuring method of a lubricating oil pump low sleeve assembly scarce position last month actual size, it is characterised in that comprise the following steps successively:
1), measurement coordinate system during three coordinate measuring engine measurement is set up according to the benchmark marked on the part drawing of tested lubricating oil pump low sleeve assembly；
2), on the tested lubricating oil pump low sleeve assembly with the scarce position of the moon, N number of measurement cross section, described N 2 are chosen；
Each measurement cross section includes the measurement arc section forming the scarce position of the moon, N number of measurement cross section axially arranging successively along tested lubricating oil pump low sleeve assembly；
3), the chaining pin of the described three coordinate measuring machine measurement arc section along each measurement cross section is used to run, continuously more than scanning M point；Under the premise to justify element evaluation, three coordinate measuring machine automatically calculate and export the radius R of each measurement arc sectioni, circularity Oi, and centre-to-centre spacing Li, 1 i N, and i is integer；
4), reuse the chaining pin of the described three coordinate measuring machine measurement arc section along each measurement cross section and run, continuously more than scanning M point；Under the premise with cylinder element evaluation, three coordinate measuring machine automatically calculate and export be made up of N number of measurement arc section measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L；
5), by the radius R of each measurement arc sectioni, circularity Oi, and centre-to-centre spacing LiRespectively with measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L compares, and judge that tested lubricating oil pump low sleeve assembly is whether as pieces O.K. according to comparative result；
Radius R when each measurement arc sectioni, circularity OiWith centre-to-centre spacing Li, and measure radius R, the cylindricity O on the face of cylinder and centre-to-centre spacing L all on the part drawing of tested lubricating oil pump low sleeve assembly in the scope of corresponding dimensioning, and as the radius R of each measurement arc sectioniWith measure the radius R value of delta 1 on the face of cylinder in the first allowed band, the circularity O of each measurement arc sectioniWith measure the cylindricity O value of delta 2 on the face of cylinder in the second allowed band and the centre-to-centre spacing L of each measurement arc sectioniDuring with the centre-to-centre spacing L value of delta 3 on the measurement face of cylinder in the 3rd allowed band, then judge that tested lubricating oil pump low sleeve assembly is as pieces O.K..
2. measuring method according to claim 1, it is characterised in that: described step 5) in, described first allowed band and the 3rd allowed band are [0,0.01], and described second allowed band is [0,0.005].
3. measuring method according to claim 1, it is characterized in that: described N=3, three measurement cross sections are respectively positioned at the moon and lack the upper measurement cross section of position upper end, are positioned at the middle lower measurement cross section measured cross section and be positioned at the moon scarce position lower end of the scarce middle, position of the moon.
4. measuring method according to claim 3, it is characterized in that: the chaining pin end of described three coordinate measuring machine has along measuring the probe that arc section runs, this probe is radius is the spherical of D, lacks described upper measurement cross section and the moon distance W1 between upper surface, position and lower measurement cross section and the distance W2 lacked between lower surface, position by the moon is D.
5. measuring method according to claim 1, it is characterised in that: described step 3) and step 4) in, M 100.
6. measuring method according to claim 1, it is characterised in that: described three coordinate measuring machine has control module and the driving module for driving chaining pin to move, and described driving module is connected with controlling module；
Described step 3) and step 4) in, the control module of three coordinate measuring machine is run automatically by driving module to control chaining pin measurement arc section along each measurement cross section.
7. measuring method according to claim 6, it is characterized in that: described three coordinate measuring machine also includes the data processing operation module and display module that are all connected with described control module, described data processing operation module calculates described step 5 automatically) in value of delta 1, δ 2, δ 3, and data processing operation module value of delta 1, δ 2, δ 3 are exported to controlling module, control module again by value of delta 1, δ 2, δ 3 output display on described display module.
8. measuring method according to claim 1, it is characterized in that: when value of delta 1 not in the first allowed band and/or value of delta 2 not in the second allowed band and/or value of delta 3 not in the 3rd allowed band time, described step 5) also include getting rid of surveying step by mistake, described eliminating is surveyed step by mistake and is included:
51), check the surface lacking position the moon on tested lubricating oil pump low sleeve assembly whether smooth, with or without uneven and there is projection without exception；
52), check whether the surface lacking position the moon on tested lubricating oil pump low sleeve assembly has foreign body to adhere to or whether the chaining pin surface of three coordinate measuring machine has foreign body to adhere to；
53), check for the fixture fixing tested lubricating oil pump low sleeve assembly whether have loosening, whether fixture places steadily and whether clamp base has foreign body to adhere to；
54), check the moon on tested lubricating oil pump low sleeve assembly lack position whether excessive or too small and whether produce skew.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288948.0A CN105783833B (en) | 2016-05-03 | 2016-05-03 | Lubricating oil pump low sleeve component lacks the measuring method of position actual size last month |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610288948.0A CN105783833B (en) | 2016-05-03 | 2016-05-03 | Lubricating oil pump low sleeve component lacks the measuring method of position actual size last month |
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| Publication Number | Publication Date |
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| CN105783833A true CN105783833A (en) | 2016-07-20 |
| CN105783833B CN105783833B (en) | 2018-03-27 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073413A (en) * | 1983-09-30 | 1985-04-25 | Mitsubishi Heavy Ind Ltd | Measuring method of roundness |
| CN2807195Y (en) * | 2005-07-04 | 2006-08-16 | 华南理工大学 | Measurer for radius of non-holonomic cylindrical surface |
| CN101691989A (en) * | 2009-10-20 | 2010-04-07 | 哈尔滨海太精密量仪有限公司 | Method and special tool for high high-precision measurement of incomplete circle arc radius |
| CN102735153A (en) * | 2009-10-20 | 2012-10-17 | 哈尔滨海太精密量仪有限公司 | High-precision special checking tool for circle arc radius of double-R uncompleted circle |
-
2016
- 2016-05-03 CN CN201610288948.0A patent/CN105783833B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6073413A (en) * | 1983-09-30 | 1985-04-25 | Mitsubishi Heavy Ind Ltd | Measuring method of roundness |
| CN2807195Y (en) * | 2005-07-04 | 2006-08-16 | 华南理工大学 | Measurer for radius of non-holonomic cylindrical surface |
| CN101691989A (en) * | 2009-10-20 | 2010-04-07 | 哈尔滨海太精密量仪有限公司 | Method and special tool for high high-precision measurement of incomplete circle arc radius |
| CN102735153A (en) * | 2009-10-20 | 2012-10-17 | 哈尔滨海太精密量仪有限公司 | High-precision special checking tool for circle arc radius of double-R uncompleted circle |
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| CN105783833B (en) | 2018-03-27 |
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