CN102927939B - The calibration method of gear measuring center R axle Z axis and T axle mutual alignment - Google Patents
The calibration method of gear measuring center R axle Z axis and T axle mutual alignment Download PDFInfo
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- CN102927939B CN102927939B CN201210392021.3A CN201210392021A CN102927939B CN 102927939 B CN102927939 B CN 102927939B CN 201210392021 A CN201210392021 A CN 201210392021A CN 102927939 B CN102927939 B CN 102927939B
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- 230000000153 supplemental effect Effects 0.000 claims abstract description 23
- 238000012795 verification Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000010415 tropism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A calibration method for gear measuring center R axle Z axis and T axle mutual alignment, comprises the steps: 1) process of measurement that the supplemental characteristic input gear measuring center of the workpiece that gear measuring center can be adopted arbitrarily to examine and determine is carried; 2) between two thimbles hobboing cutter standard jig being arranged on gear measuring center; 3) adjust the system benchmark of gear measuring center chaining pin, namely proofread the R axle of gear measuring center, Z axis and T axle zero-bit; 4) with chaining pin touching hobboing cutter standard jig, the R ＇ axle of hobboing cutter standard jig, Z ＇ axle and T ＇ axle mutual alignment data are recorded; 5) supplemental characteristic of the data recorded and hobboing cutter standard jig is compared: if when the standard verification that error exceeds gear measuring center requires, revise the volume coordinate of chaining pin on gear measuring center, again repeat the 4th) step, and compared by the supplemental characteristic of the data again recorded and hobboing cutter standard jig, until measuring error reaches the standard verification requirement of gear measuring center.
Description
Technical field
The present invention relates to a kind of calibration method of gear measuring center, the calibration method of concrete is a kind of gear measuring center R axle Z axis and T axle mutual alignment, the method effectively can improve the error precision that gear centre measures hobboing cutter parameter.
Background technology
Gear measuring center is mainly used for the detecting instrument of the various parameter of prototype gear, the software of prototype gear cutter is also developed in this detecting instrument, but, this instrument only has standards for gears model to examine and determine project (involute standard model, helix standard jig), not hobboing cutter useful test project, as axial verticality and the eccentric standard jig of chaining pin.Make to utilize gear measuring center to measure hobboing cutter and there is no reliable standard, and sometimes produce difference with the measurement of user.
Hobboing cutter primary measured parameter is in the axial direction, is Archimedian appearance hobboing cutter, the profile of tooth of the straight wide appearance hobboing cutter of normal direction and involute urve appearance hobboing cutter is all in the axial direction.Hobboing cutter error, straggling parameter that gear measuring center is measured, although the tolerance on production technology drawing can be met, but the hob profile error parameter sometimes measured with use the hob profile error parameter of hobboing cutter factory equal apparatus measures variant, and it is also variant to measure lip surface footpath tropism's error parameter that hobboing cutter lip surface footpath tropism's error parameter and hobboing cutter anterior angle somascope measure.
In view of this, the present invention is intended to the calibration method exploring a kind of gear measuring center R axle Z axis and T axle mutual alignment, this calibration method can set up the calibration of the R axle of workpiece sensing, Z axis and T axle mutual alignment on gear measuring center, improves the reliability that gear measuring center detects workpiece.
Summary of the invention
The technical problem to be solved in the present invention is the calibration method proposing a kind of gear measuring center R axle Z axis and T axle mutual alignment, this calibration method can set up the calibration of the R axle of workpiece sensing, Z axis and T axle mutual alignment on gear measuring center, improves the reliability that gear measuring center detects workpiece.
Realize above-mentioned technical purpose, the calibration method of gear measuring center R axle Z axis of the present invention and T axle mutual alignment, comprises the steps:
1) by process of measurement that the supplemental characteristic input gear measuring center of the workpiece that gear measuring center can be adopted arbitrarily to examine and determine carries;
2) between two thimbles hobboing cutter standard jig being arranged on gear measuring center;
3) adjust the system benchmark of gear measuring center chaining pin, namely proofread the R axle of gear measuring center, Z axis and T axle zero-bit;
4) with chaining pin touching hobboing cutter standard jig, the R ＇ axle of hobboing cutter standard jig, Z ＇ axle and T ＇ axle mutual alignment data are recorded;
5) supplemental characteristic of the data recorded and hobboing cutter standard jig is compared: if when the standard verification that error exceeds gear measuring center requires, revise the volume coordinate of chaining pin on gear measuring center, again repeat the 4th) step, and compared by the supplemental characteristic of the data again recorded and hobboing cutter standard jig, until measuring error reaches the standard verification requirement of gear measuring center.
Further, described 5th) in step, by the supplemental characteristic input gear measuring center of hobboing cutter standard jig, the supplemental characteristic of the data recorded and hobboing cutter standard jig is compared on gear measuring center, and generate correlation curve figure by gear measuring center, when the tooth top of the correlation curve in correlation curve figure and hobboing cutter standard jig or dedendum line vertical time, the R ＇ axle of the R axle of gear measuring center, Z axis and T axle and hobboing cutter standard jig, Z ＇ axle and T ＇ axle overlap completely.
Beneficial effect of the present invention is:
The calibration method of gear measuring center R axle Z axis of the present invention and T axle mutual alignment is examined and determine gear measuring center by adopting hobboing cutter standard jig, the R ＇ axle of the hobboing cutter standard jig obtained will be measured, the supplemental characteristic of Z ＇ axle and T ＇ axle mutual alignment data and hobboing cutter standard jig compares, by revising the locus of chaining pin, make the R axle of gear measuring center, the R ＇ axle of Z axis and T axle mutual alignment and hobboing cutter standard jig, error between Z ＇ axle and T ＇ axle mutual alignment is in the scope that vertification regulation requires, ensure that chaining pin crosses the center (the bias e namely on the T axle of two top lines) of hobboing cutter standard jig axial line in the operation of R axle of measuring in hobboing cutter standard jig and the verticality (namely in the verticality of two top lines) of standard jig axis and chaining pin center, ensure that the reliability of surveyed hobboing cutter cutter data.
Correlation curve figure is generated by gear measuring center, utilize the angle between the tooth top of the correlation curve in correlation curve figure and hobboing cutter standard jig or dedendum line can judge to intuitive and convenient the gauging error of gear measuring center, namely by measuring the angle between the tooth top of correlation curve and hobboing cutter standard jig or dedendum line, can judge whether the measuring error of gear measuring center reaches the standard verification requirement of gear measuring center, convenient judgement.
Accompanying drawing explanation
Fig. 1 is the hobboing cutter standard jig of calibration method for gear measuring center R axle Z axis of the present invention and T axle mutual alignment and the assembling schematic diagram of gear measuring center;
Fig. 2 is standard verification that measuring error exceeds gear measuring center correlation curve figure when requiring;
Fig. 3 is standard verification that measuring error reaches gear measuring center correlation curve figure when requiring.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
The calibration method of gear measuring center R axle Z axis of the present invention and T axle mutual alignment, comprises the steps:
1) by process of measurement that the supplemental characteristic input gear measuring center of the workpiece that gear measuring center can be adopted arbitrarily to examine and determine carries, the workpiece that gear measuring center can be examined and determine generally comprises hobboing cutter, gear, pinion cutter and gear shaver, select for the preferred hobboing cutter of workpiece by supplemental characteristic input gear measuring center, now the process of measurement of gear measuring center also selects hob measurement program.The gear measuring center of the present embodiment is 3903 gear measuring centers that Harbin Measuring & Cutting Tools Factory produces, the hobboing cutter parameter of input is the hobboing cutter parameter of m6, α 20 °, N1, Zk10, certainly, the present embodiment also can input the workpiece parameter data of other models or type in gear measuring center, the supplemental characteristic of workpiece, only for the operation benchmark of gear measuring center, can not impact measurement result;
2), between two thimbles 2 hobboing cutter standard jig 1 being arranged on gear measuring center, as shown in Figure 1, hobboing cutter standard jig is rectangular shape, its cross on a summit three limits be the R ＇ axle of hobboing cutter standard jig, Z ＇ axle and T ＇ axle;
3) adjust the system benchmark of the chaining pin of gear measuring center, namely proofread the R axle of gear measuring center, Z axis and T axle zero-bit;
4) hobboing cutter standard jig 1 is touched with chaining pin 3, record the R ＇ axle of hobboing cutter standard jig, Z ＇ axle and T ＇ axle mutual alignment data, during measurement, chaining pin 3 is along the R ＇ axle surface sliding of hobboing cutter standard jig 1, can obtain the R ＇ number of axle certificate of hobboing cutter standard jig 1, chaining pin 3, along the Z ＇ axle surface sliding of hobboing cutter standard jig 1, can record the Z ＇ number of axle certificate of hobboing cutter standard jig 1, chaining pin 3, along the T ＇ axle surface sliding of hobboing cutter standard jig 1, can record the T ＇ number of axle certificate of hobboing cutter standard jig 1;
5) supplemental characteristic of the data recorded and hobboing cutter standard jig 1 is compared: if when the standard verification that error exceeds gear measuring center requires, revise the volume coordinate of chaining pin 3 on gear measuring center, again repeat the 4th) step, and compared by the supplemental characteristic of the data again recorded and hobboing cutter standard jig 1, until measuring error reaches the standard verification requirement of gear measuring center.
The gear measuring center R axle Z axis of the present embodiment and the calibration method of T axle mutual alignment are examined and determine by adopting hobboing cutter standard jig 1 pair of gear measuring center, the R ＇ axle of the hobboing cutter standard jig 1 obtained will be measured, the supplemental characteristic of Z ＇ axle and T ＇ axle mutual alignment data and hobboing cutter standard jig compares, by revising the locus of chaining pin 3, make the R axle of gear measuring center, the R ＇ axle of Z axis and T axle mutual alignment and hobboing cutter standard jig, error between Z ＇ axle and T ＇ axle mutual alignment is in the scope that vertification regulation requires, ensure that chaining pin 3 crosses the center (the bias e namely on the T axle of two top lines) of hobboing cutter standard jig 1 axial line in the operation of R ＇ axle of measuring in hobboing cutter standard jig 1 and the verticality (namely in the verticality of two top lines) of standard jig axis and chaining pin 3 center, ensure that the reliability of surveyed hobboing cutter cutter data.
Further, 5th) in step, by the supplemental characteristic input gear measuring center of hobboing cutter standard jig 1, the supplemental characteristic of the data recorded and hobboing cutter standard jig 1 is compared on gear measuring center, and generate correlation curve figure by gear measuring center, when the tooth top of the correlation curve in correlation curve figure and hobboing cutter standard jig or dedendum line vertical time, the R ＇ axle of the R axle of gear measuring center, Z axis and T axle and hobboing cutter standard jig, Z ＇ axle and T ＇ axle overlap completely.
As shown in Figure 2, when the correlation curve in correlation curve figure tilts relative to the tooth top of hobboing cutter standard jig or dedendum line, represent that measuring error does not reach the standard verification requirement of gear measuring center, now need to revise the volume coordinate of chaining pin 3 on gear measuring center, again measure the R ＇ axle of hobboing cutter standard jig, Z ＇ axle and T ＇ axle mutual alignment data, and compared by the supplemental characteristic of the data again recorded and hobboing cutter standard jig 1, until measuring error reaches the standard verification requirement of gear measuring center.As shown in Figure 3, the angle between the tooth top or dedendum line of the correlation curve in correlation curve figure and hobboing cutter standard jig drop on 90 ° around certain limit time, represent that measuring error reaches the standard verification requirement of gear measuring center.The acceptability limit of the angle between the tooth top of correlation curve and hobboing cutter standard jig or dedendum line is determined by the standard verification of corresponding gear measuring center.
Correlation curve figure is generated by gear measuring center, utilize the angle between the tooth top of the correlation curve in correlation curve figure and hobboing cutter standard jig or dedendum line can judge to intuitive and convenient the gauging error of gear measuring center, namely by measuring the angle between the tooth top of correlation curve and hobboing cutter standard jig or dedendum line, can judge whether the measuring error of gear measuring center reaches the standard verification requirement of gear measuring center, convenient judgement.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (1)
1. a calibration method for gear measuring center R axle Z axis and T axle mutual alignment, is characterized in that: comprise the steps:
1) by process of measurement that the supplemental characteristic input gear measuring center of the workpiece that gear measuring center can be adopted arbitrarily to examine and determine carries;
2) between two thimbles hobboing cutter standard jig being arranged on gear measuring center;
3) adjust the system benchmark of gear measuring center chaining pin, namely proofread the R axle of gear measuring center, Z axis and T axle zero-bit;
4) with chaining pin touching hobboing cutter standard jig, the R ＇ axle of hobboing cutter standard jig, Z ＇ axle and T ＇ axle mutual alignment data are recorded;
5) supplemental characteristic of the data recorded and hobboing cutter standard jig is compared: if when the standard verification that error exceeds gear measuring center requires, revise the volume coordinate of chaining pin on gear measuring center, again repeat the 4th) step, and compared by the supplemental characteristic of the data again recorded and hobboing cutter standard jig, until measuring error reaches the standard verification requirement of gear measuring center;
Described 5th) in step, by the supplemental characteristic input gear measuring center of hobboing cutter standard jig, the supplemental characteristic of the data recorded and hobboing cutter standard jig is compared on gear measuring center, and generate correlation curve figure by gear measuring center, when the tooth top of the correlation curve in correlation curve figure and hobboing cutter standard jig or dedendum line vertical time, the R ＇ axle of the R axle of gear measuring center, Z axis and T axle and hobboing cutter standard jig, Z ＇ axle and T ＇ axle overlap completely.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210392021.3A CN102927939B (en) | 2012-10-16 | 2012-10-16 | The calibration method of gear measuring center R axle Z axis and T axle mutual alignment |
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| CN201210392021.3A CN102927939B (en) | 2012-10-16 | 2012-10-16 | The calibration method of gear measuring center R axle Z axis and T axle mutual alignment |
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| CN102927939B true CN102927939B (en) | 2015-12-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109186511B (en) * | 2018-09-17 | 2019-08-20 | 大连理工大学 | A reference level gear helix model |
| CN113532224B (en) * | 2021-09-15 | 2021-11-23 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hob front cutter face detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269568A (en) * | 2011-07-15 | 2011-12-07 | 重庆工具厂有限责任公司 | Method for measuring accuracy of large helix angle worm hob |
| CN202119407U (en) * | 2011-03-25 | 2012-01-18 | 北京工业大学 | Double-ball involute templet suitable for calibrating gear measuring center |
| CN102620695A (en) * | 2012-04-01 | 2012-08-01 | 西安爱德华测量设备股份有限公司 | Measuring tool for three-coordinate measuring machine and detecting method of measuring tool |
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| US7792651B2 (en) * | 2007-04-26 | 2010-09-07 | General Electric Company | Methods and systems for computing gear modifications |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202119407U (en) * | 2011-03-25 | 2012-01-18 | 北京工业大学 | Double-ball involute templet suitable for calibrating gear measuring center |
| CN102269568A (en) * | 2011-07-15 | 2011-12-07 | 重庆工具厂有限责任公司 | Method for measuring accuracy of large helix angle worm hob |
| CN102620695A (en) * | 2012-04-01 | 2012-08-01 | 西安爱德华测量设备股份有限公司 | Measuring tool for three-coordinate measuring machine and detecting method of measuring tool |
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