CN109655020A - One tooth footpath of gear is to comprehensive deviation and tangential comprehensive deviation detection method - Google Patents
One tooth footpath of gear is to comprehensive deviation and tangential comprehensive deviation detection method Download PDFInfo
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- CN109655020A CN109655020A CN201910031744.2A CN201910031744A CN109655020A CN 109655020 A CN109655020 A CN 109655020A CN 201910031744 A CN201910031744 A CN 201910031744A CN 109655020 A CN109655020 A CN 109655020A
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- 238000005259 measurement Methods 0.000 claims description 37
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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
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Abstract
The present invention relates to a kind of one tooth footpaths of gear to comprehensive deviation and tangential comprehensive deviation detection method, this method is in dynamic ruler moving process, judge whether the measured value for moving into dynamic ruler is greater than the maximum value greatly or less than the minimum value, if more than the maximum value, then the maximum value is updated to move into the measured value of dynamic ruler, if being less than the minimum value, the minimum value is updated to move into the measured value of dynamic ruler；Whether the measured value for judging to remove dynamic ruler is the maximum value or minimum value, if the measured value for removing dynamic ruler is maximum value, searches the maximum value in dynamic ruler again, if the measured value for removing dynamic ruler is minimum value, searches the minimum value in dynamic ruler again.The method of the present invention does not need all to search maximum value and minimum value at the every movement of dynamic ruler one time, but only when removing the measured value of dynamic ruler is maximum value or minimum value, the maximum value or minimum value in current dynamic ruler are just searched again, can greatly reduce operand, raising efficiency.
Description
Technical field
The present invention relates to gear technique field, in particular to a kind of one tooth footpath of gear to and tangential comprehensive deviation detection side
Method.
Background technique
Gear radially or tangentially comprehensive deviation be gear error detection important errors item, existing algorithm for gear radial direction
Or tangentially comprehensive total deviation calculation method is identical, it is thus only necessary to calculate radially or tangentially composition error curve maximum and minimum value
Radial comprehensive total deviation can be calculated.But it is relatively complicated for the extraction of a tooth footpath to comprehensive deviation, it is usually used both at home and abroad
Dynamic ruler (or being window) movement of one tooth measurement data points number extracts the mode of maxima and minima to realize this mistake
The extraction of difference.Also scholar once proposes that the mobile mode of most ruler (such as 60% that full tooth measurement point may be selected) measurement points is realized
One tooth footpath is calculated to comprehensive deviation.But such tooth error calculation method still realizes calculating by the way of loop nesting, such as
Shown in Fig. 1, dynamic ruler moving process will look for maximum value and minimum value again every time, lead to low efficiency.
Summary of the invention
It is an object of the invention to improve the deficiency in the presence of the prior art, a kind of one tooth footpath of gear is provided to comprehensive inclined
Difference and tangential comprehensive deviation detection method.
In order to achieve the above-mentioned object of the invention, the embodiment of the invention provides following technical schemes:
A kind of one tooth footpath of gear is to comprehensive deviation detection method, comprising the following steps:
Step 1, using two-sided meshing device measure tested gear with master gear is two-sided engage when, be tested one turn of gear it is interior,
It is double nibble center away from variable quantity, obtain the radial composite error curve being made of N number of measured value；
Step 2, according to the number of teeth n of the measurement points N of radial composite error curve and tested gear, the corresponding survey of a tooth is calculated
Amount points are N/n, and since first measured value, lookup obtains the maximum value and minimum in first to the N/n measured value
Value；
Step 3, it is dynamic ruler with N/n, moves backward a measurement point, it is described judges whether the measured value for moving into dynamic ruler is greater than
Maximum value is big or is then updated to the maximum value to move into the measurement of dynamic ruler if more than the maximum value less than the minimum value
The minimum value is updated to move into the measured value of dynamic ruler by value if being less than the minimum value；Judgement removes the measured value of dynamic ruler
Whether it is the maximum value or minimum value, if the measured value for removing dynamic ruler is maximum value, searches the maximum in dynamic ruler again
Value searches the minimum value in dynamic ruler if the measured value for removing dynamic ruler is minimum value again；Circulation executes this step, until
Until dynamic ruler cannot move again, final maximum value and minimum value is obtained；
Step 4, the difference of maxima and minima final obtained in step 3 is calculated, which is a tooth footpath
To comprehensive deviation.
A kind of tangential comprehensive deviation detection method of one tooth of gear, comprising the following steps:
Step 1, it when measuring tested gear and master gear one flank gearing using one flank gearing instrument, is tested in one turn of gear,
The variable quantity of actual rotational angle and nominal corner obtains the tangential composition error curve being made of N number of measured value；
Step 2, according to the number of teeth n of the measurement points N of tangential composition error curve and tested gear, the corresponding survey of a tooth is calculated
Amount points are N/n, and since first measured value, lookup obtains the maximum value and minimum in first to the N/n measured value
Value；
Step 3, it is dynamic ruler with N/n, moves backward a measurement point, it is described judges whether the measured value for moving into dynamic ruler is greater than
Maximum value is big or is then updated to the maximum value to move into the measurement of dynamic ruler if more than the maximum value less than the minimum value
The minimum value is updated to move into the measured value of dynamic ruler by value if being less than the minimum value；Judgement removes the measured value of dynamic ruler
Whether it is the maximum value or minimum value, if the measured value for removing dynamic ruler is maximum value, searches the maximum in dynamic ruler again
Value searches the minimum value in dynamic ruler if the measured value for removing dynamic ruler is minimum value again；Circulation executes this step, until
Until dynamic ruler cannot move again, final maximum value and minimum value is obtained；
Step 4, the difference of maxima and minima final obtained in step 3 is calculated, which is that a tooth is cut
To comprehensive deviation.
Compared with prior art, detection method judges the measured value for moving into dynamic ruler in dynamic ruler in moving process
Whether be greater than the maximum value having been found greatly or be less than minimum value, if more than maximum value or is less than minimum value, then it directly will be current
Minimum value or maximum value are updated to move into the measured value of dynamic ruler, while whether the measured value for judging to remove dynamic ruler is maximum value or most
Small value, only when removing the measured value of dynamic ruler is maximum value or minimum value, just search again maximum value in current dynamic ruler or
Minimum value, it will be apparent that, the method for the present invention can greatly reduce operand, raising efficiency, also reduction pair relative to conventional method
The hardware requirement of processing equipment.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Flow chart of one tooth footpath of Fig. 1 conventional gears to comprehensive deviation detection method.
Fig. 2 is flow chart of one tooth footpath of gear provided in an embodiment of the present invention to comprehensive deviation detection method.
Fig. 3 is the dynamic ruler sliding process schematic diagram in illustrated embodiment.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
One tooth footpath of a kind of gear provided in the present embodiment is to comprehensive deviation detection method, comprising the following steps:
Step 1, using two-sided meshing device measure tested gear with master gear is two-sided engage when, be tested one turn of gear it is interior,
It is double nibble center away from variable quantity, obtain the radial composite error curve being made of N number of measured value；
Step 2, according to the number of teeth n of the measurement points N of radial composite error curve and tested gear, the corresponding survey of a tooth is calculated
Amount points are N/n, and since first measured value, lookup obtains the maximum value and minimum in first to the N/n measured value
Value；
Step 3, it is dynamic ruler with N/n, moves backward a measurement point, it is described judges whether the measured value for moving into dynamic ruler is greater than
Maximum value is big or is then updated to the maximum value to move into the measurement of dynamic ruler if more than the maximum value less than the minimum value
The minimum value is updated to move into the measured value of dynamic ruler by value if being less than the minimum value；Judgement removes the measured value of dynamic ruler
Whether it is the maximum value or minimum value, if the measured value for removing dynamic ruler is maximum value, searches the maximum in dynamic ruler again
Value searches the minimum value in dynamic ruler if the measured value for removing dynamic ruler is minimum value again；Circulation executes this step, until
Until dynamic ruler cannot move again, final maximum value and minimum value is obtained；
Step 4, the difference of maxima and minima final obtained in step 3 is calculated, which is a tooth footpath
To comprehensive deviation.
It is for example bright below in conjunction with one for the ease of being easier to understand the method for the present invention.Certainly, originally enumerating is not
The data that actual gear radial direction comprehensive deviation acquires when detecting, and it is only the illustrated embodiment enumerated, it is easy to understand present invention side
The calculating process being related in method.
Please refer to figs. 2 and 3, in Fig. 3, for the ease of checking, moves one measurement point of the every movement of ruler, one bigger frame
To indicate.Assuming that N/n=4, after measurement obtains each measured value and obtains radial composite error curve, radial composite error
Calculating process is as follows:
A) first finding the measured value of front four, " maximum value and minimum value in 1,2,3,4 ", there is max=4, min=1.
B) move backward a measurement point again, then new one group of four measured values be " 2,3,4,5 ", judge to move into dynamic ruler
Measured value " 5 " be greater than current maximum max=4, current maximum is then updated to 5, i.e. max=5 by 4；Judge again
The measured value " 1 " for removing dynamic ruler is minimum value, and then in new one group of four measured values, " finding out minimum value in 2,3,4,5 " is
" 2 ", then there is min=2.
C) move backward a measurement point again, then new one group of four measured values be " 3,4,5,4 ", judge to move into dynamic ruler
Measured value " 4 " be both not more than current maximum max=5, nor less than current minimum value min=2, removed in being to continue with judgement
Whether the measured value " 2 " of dynamic ruler is current maximum or minimum value, judges that the measured value " 2 " except dynamic ruler is minimum value, then
New one group of four measured values " it is " 3 " that minimum value is found out in 3,4,5,4 ", then has min=3, and maximum value does not update then,
Keep original maximum value, i.e. max=5.
D) move backward a measurement point again, then new one group of four measured values be " 4,5,4,3 ", judge to move into dynamic ruler
Measured value " 3 " be equal to current minimum value min=3, in be to continue with judge remove move ruler measured value " 3 " whether be current maximum
Value or minimum value judge that the measured value " 3 " except dynamic ruler is minimum value, then in new one group of four measured values " 3,4,5,4 "
In to find out minimum value be " 3 ", then have min=3, and maximum value does not update then, keeps original maximum value, i.e. max=5.
E) move backward a measurement point again, then new one group of four measured values be " 5,4,3,6 ", judge to move into dynamic ruler
Measured value " 6 " be greater than current max=5, current maximum is then updated to 6, i.e. max=6 by 5；It is dynamic to continue judgement removal
Whether the measured value " 4 " of ruler is current maximum or minimum value, judges that the measured value " 4 " except dynamic ruler is not minimum value, is kept
Minimum value originally, i.e. min=3.
F) calculating the difference between maximum value max=6 and minimum value min=3 is 3, then a tooth footpath is to comprehensive deviation
3。
In aforementioned present invention method, judge to remove whether dynamic footage evidence is the last maximum value or minimum for recycling and finding
Value, then recalculates maximum value if it is maximum value, then recalculates minimum value if it is minimum value.Judgement moves into dynamic footage evidence
It is whether bigger or smaller than last minimum value than last maximum value, if bigger than the maximum value of last time circulation, maximum value is updated,
If the minimum value of circulation was small than last time, minimum value is updated.The method of the present invention no longer needs in dynamic ruler moving process every time
Again poll only just looks for maximum value and minimum when removing maximum value or minimum value to find out maximum value and minimum value again
Value, therefore computational efficiency greatly improves.
Tangential comprehensive deviation is also the important errors item of gear error detection, is based on identical inventive concept, the present embodiment
In simultaneously give a kind of tangential comprehensive deviation detection method of one tooth of gear, method includes the following steps:
Step 1, it when measuring tested gear and master gear one flank gearing using one flank gearing instrument, is tested in one turn of gear,
The variable quantity of actual rotational angle and nominal corner obtains the tangential composition error curve being made of N number of measured value；
Step 2, according to the number of teeth n of the measurement points N of tangential composition error curve and tested gear, the corresponding survey of a tooth is calculated
Amount points are N/n, and since first measured value, lookup obtains the maximum value and minimum in first to the N/n measured value
Value；
Step 3, it is dynamic ruler with N/n, moves backward a measurement point, it is described judges whether the measured value for moving into dynamic ruler is greater than
Maximum value is big or is then updated to the maximum value to move into the measurement of dynamic ruler if more than the maximum value less than the minimum value
The minimum value is updated to move into the measured value of dynamic ruler by value if being less than the minimum value；Judgement removes the measured value of dynamic ruler
Whether it is the maximum value or minimum value, if the measured value for removing dynamic ruler is maximum value, searches the maximum in dynamic ruler again
Value searches the minimum value in dynamic ruler if the measured value for removing dynamic ruler is minimum value again；Circulation executes this step, until
Until dynamic ruler cannot move again, final maximum value and minimum value is obtained；
Step 4, the difference of maxima and minima final obtained in step 3 is calculated, which is that a tooth is cut
To comprehensive deviation.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910031744.2A CN109655020A (en) | 2019-01-14 | 2019-01-14 | One tooth footpath of gear is to comprehensive deviation and tangential comprehensive deviation detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910031744.2A CN109655020A (en) | 2019-01-14 | 2019-01-14 | One tooth footpath of gear is to comprehensive deviation and tangential comprehensive deviation detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112257192A (en) * | 2020-09-16 | 2021-01-22 | 北京工业大学 | One-tooth tangential comprehensive deviation calculation method based on actual measurement tooth profile deviation |
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| CN108269587A (en) * | 2017-12-29 | 2018-07-10 | 诺仪器（中国）有限公司 | Optical cable knocking display methods and system |
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| CN101059802A (en) * | 2006-04-17 | 2007-10-24 | 中国科学院计算技术研究所 | Method and system for calculating data flow maximum value and minimum value under sliding window |
| CN1904776A (en) * | 2006-08-02 | 2007-01-31 | 北京金奔腾汽车科技有限公司 | Self-learning judging method of automobile decoder |
| CN201382853Y (en) * | 2009-04-17 | 2010-01-13 | 北京工业大学 | Gear double-sided meshing multi-dimensional measuring device |
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| DE102013201473A1 (en) * | 2013-01-30 | 2014-07-31 | Schaeffler Technologies Gmbh & Co. Kg | Actuating system for clutch of motor vehicle, has gear box including driven threaded spindle which is operatively connected with piston by hydrostatic clutch actuator nut, and sensor element which detects position of nut |
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| CN112257192A (en) * | 2020-09-16 | 2021-01-22 | 北京工业大学 | One-tooth tangential comprehensive deviation calculation method based on actual measurement tooth profile deviation |
| CN112257192B (en) * | 2020-09-16 | 2024-03-08 | 北京工业大学 | One-tooth tangential integrated deviation calculation method based on actually measured tooth profile deviation |
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