CN102954784B  A kind of casing jitter values Measurement and Data Processing method  Google Patents
A kind of casing jitter values Measurement and Data Processing method Download PDFInfo
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 CN102954784B CN102954784B CN201210442583.4A CN201210442583A CN102954784B CN 102954784 B CN102954784 B CN 102954784B CN 201210442583 A CN201210442583 A CN 201210442583A CN 102954784 B CN102954784 B CN 102954784B
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 238000003672 processing method Methods 0.000 title claims abstract description 13
 238000005259 measurement Methods 0.000 title claims abstract description 12
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 238000005070 sampling Methods 0.000 description 2
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Abstract
A kind of casing jitter values Measurement and Data Processing method, the casing jitter values that recorded is utilized to adopt cartesian geometry numerical value treatment process to calculate measuring surface respectively relative to the right alignment of reference axis and casing circularity, and the size of right alignment and casing circularity is expressed by geometricdrawing, it is specially: Along ent place, casing cylindrical surface 8 jitter values recorded is divided into 2 groups; Geometric figure drawing method is utilized to find the center of circle often organizing cylinder corresponding to jitter values respectively in two orthogonal coordinate systems; The mid point getting two circle center line connectings is as the center of circle on cylindrical surface corresponding to 8 point data; Then two circle center line connecting mid points are the right alignment of this cylindrical surface relative to reference axis to the distance of coordinate origin, and two circle center line connectings are the circularity on this casing cylindrical surface. The advantage of the present invention: the right alignment tolerance comprised in casing jitter values being separated with casing roundness tolerance, error calculated is less, expresses calculation result by geometricdrawing, comparatively image is understood with being convenient to.
Description
Technical field
The present invention relates to casing class part cylindrical right alignment tolerance and roundness tolerance inspection field, in particular to a kind of casing jitter values Measurement and Data Processing method.
Background technology
Right alignment tolerance is the important indicator limiting tested axis runout benchmark axis. Casing right alignment tolerance cannot directly be measured and obtain, it is necessary to obtained through numerical evaluation by the casing cylindrical surface jitter values recorded. But casing cylindrical surface jitter values includes right alignment and casing circularity two kinds of factors. In the past when processor box jitter values, it is believed that jitter values is maximum, the half of minimum value absolute value sum just for this reason cylindrical surface relative to the right alignment of benchmark axis. Right alignment in jitter values and casing circularity cannot be separated by aforesaid method accurately, and error is bigger.
Summary of the invention
It is an object of the invention to reduce error calculated, spy provides a kind of casing jitter values Measurement and Data Processing method.
The present invention provides a kind of casing jitter values Measurement and Data Processing method, it is characterized in that: described casing jitter values Measurement and Data Processing method utilizes the casing jitter values recorded to adopt cartesian geometry numerical value treatment process to calculate measuring surface respectively relative to the right alignment of reference axis and casing circularity, and the size of right alignment and casing circularity is expressed by geometricdrawing, it is specially:
1.1 Along ent place, casing cylindrical surface 8 jitter values that will have recorded, are divided into 2 groups, and 1,3,5,7 is first group, and 2,4,6,8 is the 2nd group;
1.2 first groups by coordinate axis of X, Y, (initial point is for O_{0}), the 2nd group by coordinate axis of X1, Y1, (initial point is for O_{0}); Geometric figure drawing method is utilized to find the center of circle (O and O of surveyed cylinder respectively in X, Ycoordinate system and X1, Y1 system of coordinates_{1});
1.3 get the mid point (O of two circle center line connectings_{R}) as the center of circle on this cylindrical surface after process 8 point data, O_{0}O_{R}Wire length represents the size of this cylindrical surface relative to the right alignment of reference axis, and OO1 wire length represents the size of the circularity on this casing cylindrical surface;
1.4 utilize analytic geometry method to calculate O_{0}O_{R}Wire length and OO_{1}Wire length just can obtain measuring surface relative to the right alignment of reference axial direction and casing circularity; O_{0}O_{R}Wire length is the right alignment size of this cylindrical surface relative to reference axis, O_{0}O_{R}Wire length isOO_{1}Wire length reflects the circularity size on this cylindrical surface, OO_{1}Wire length is $\left{\mathrm{OO}}_{1}\right=\sqrt{{({x}_{0}{x}_{01})}^{2}+{({y}_{0}{y}_{01})}^{2}}=\frac{\sqrt{2}}{4}\sqrt{{({t}_{2}\sqrt{2}{t}_{3}+{t}_{4}{t}_{6}+\sqrt{2}{t}_{7}{t}_{8})}^{2}+{(\sqrt{2}{t}_{1}+{t}_{2}{t}_{4}+\sqrt{2}{t}_{5}{t}_{6}+{t}_{8})}^{2}}$
Utilize the casing jitter values that recorded to adopt geometricdrawing, draw measuring surface relative to the right alignment of reference axial direction and casing circularity;
The casing jitter values that recorded is utilized to adopt cartesian geometry numerical value treatment process to calculate measuring surface respectively relative to the right alignment of reference axial direction and casing circularity;
The advantage of the present invention:
Casing jitter values Measurement and Data Processing method of the present invention, utilize the casing jitter values data recorded, adopt cartesian geometry numerical value treatment process, calculate measuring surface respectively relative to the right alignment of reference axial direction and casing circularity, and expressed the size of right alignment tolerance and casing roundness tolerance by geometricdrawing. The right alignment tolerance comprised in casing jitter values can be separated by present method with casing roundness tolerance, and error calculated is less, expresses calculation result by geometricdrawing, and comparatively image is understood with being convenient to.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is cylindrical surface jitter values data processing method geometry figure;
Fig. 2 is embodiment 1 data processing geometry figure.
Embodiment
Embodiment 1
Present embodiments provide a kind of casing jitter values Measurement and Data Processing method, it is characterized in that: described casing jitter values Measurement and Data Processing method utilizes the casing jitter values recorded to adopt cartesian geometry numerical value treatment process to calculate measuring surface respectively relative to the right alignment of reference axis and casing circularity, and the size of right alignment and casing circularity is expressed by geometricdrawing, it is specially:
The 1.1 Along ent places, casing cylindrical surface 8 jitter values (t1��t8) that will have recorded, are divided into 2 groups, and t1, t3, t5, t7 are first group, and t2, t4, t6, t8 are the 2nd group.
1.2 by coordinate axis of X, Y, (initial point is for O_{0}), utilize Geometric figure drawing to find out the first group of data place center of circle, cylindrical surface O. With X_{1}��Y_{1}For coordinate axis, (initial point is still O_{0}), utilize Geometric figure drawing to find out and find the 2nd group of data place center of circle, cylindrical surface O_{1}��
1.3 get the mid point (O of two circle center line connectings_{R}) as the center of circle on this cylindrical surface after process 8 point data, mid point O_{R}Point coordinate under X Ycoordinate system is:
1.4O_{0}O_{R}Wire length is the right alignment size of this cylindrical surface relative to reference axis. O_{0}O_{R}Wire length is:
OO_{1}Wire length reflects the circularity size on this cylindrical surface. OO_{1}Wire length is:
Specific design method is as follows:
Certain casing installation limit is stopped bore and is respectively 0 ,0.02 ,+0.06 ,+0.10 ,+0.12 ,+0.10 ,+0.08 ,0.04 to 8 sampling point jitter values data.
As stated above, 8 sampling point jitter values data being divided into 2 groups, 1 group is 0 ,+0.06 ,+0.12 ,+0.08,2 group is0.02 ,+0.10 ,+0.10 ,0.04.
Set up system of coordinates shown in Fig. 2, the center of circle that center of circle O is 1 group of data under X Ycoordinate system, center of circle O_{1}For at 2 groups of data X_{1}��Y_{1}The center of circle under system of coordinates. By the mid point O of abovementioned calculation formula two circle center line connecting_{R}Point coordinate under X Ycoordinate system is (0.0146 ,0.076).
O in Fig. 2_{0}O_{R}Line is the right alignment size of this cylindrical surface relative to reference axis, OO_{1}Wire length reflects the circularity size on this cylindrical surface. By abovementioned calculation formula, O_{0}O_{R}Wire length is 0.077, OO_{1}Wire length is 0.036.
Claims (1)
1. a casing jitter values Measurement and Data Processing method, it is characterized in that: described casing jitter values Measurement and Data Processing method utilizes the casing jitter values recorded to adopt cartesian geometry numerical value treatment process to calculate measuring surface respectively relative to the right alignment of reference axis and casing circularity, and the size of right alignment and casing circularity is expressed by geometricdrawing, it is specially:
1.1 Along ent place, casing cylindrical surface 8 jitter values that will have recorded, are divided into 2 groups, and 1,3,5,7 is first group, and 2,4,6,8 is the 2nd group;
1.2 first groups taking X, Y as coordinate axis, initial point is O_{0}, the 2nd group with X_{1}��Y_{1}For coordinate axis, initial point is still O_{0}; X, Ycoordinate system utilize Geometric figure drawing method find the center of circle O of surveyed cylinder; At X_{1}��Y_{1}System of coordinates utilize Geometric figure drawing method find the center of circle O of surveyed cylinder_{1};
1.3 get the mid point O of two circle center line connectings_{R}As the center of circle processing this cylindrical surface after 8 point data, O_{0}O_{R}Wire length is the size of this cylindrical surface relative to the right alignment of reference axis, OO_{1}Wire length is the size of the circularity on this casing cylindrical surface;
1.4 utilize analytic geometry method to calculate O_{0}O_{R}Wire length and OO_{1}Wire length just can obtain measuring surface relative to the right alignment of reference axial direction and casing circularity;
Utilize the casing jitter values that recorded to adopt geometricdrawing, draw measuring surface relative to the right alignment of reference axial direction and casing circularity.
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CN103308021B (en) *  20130704  20151209  沈阳工业大学  A kind of method of measuring workpieces deviation from circular from 
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Citations (7)
Publication number  Priority date  Publication date  Assignee  Title 

CN1042416A (en) *  19881103  19900523  清华大学  Macroaxis circularity, beat clinical measurement method and instrument 
CN101033936A (en) *  20070130  20070912  常熟理工学院  Method for measuring error of roller roundness and kinematic error of machine tool main axle using antipodal two points six positions 
CN101196394A (en) *  20070927  20080611  上海大学  Optimized least square appraisement method for roundness of minor segment circular arc 
CN101339021A (en) *  20080813  20090107  哈尔滨工业大学  Double offset parameter circle contour measurement model and biased error separation method 
CN101424512A (en) *  20081218  20090506  浙江大学  Method for detecting radial motion error of high speed principal axis by multiring coincidence threepoint method 
CN101957191A (en) *  20091029  20110126  华侨大学  Method for evaluating roundness and sphericity errors based on selfadaption iteration neighbourhood search 
CN102426001A (en) *  20111018  20120425  北京理工大学  Axial circular runout and total runout single displacement error separation device and method 
Family Cites Families (1)
Publication number  Priority date  Publication date  Assignee  Title 

SE516954C2 (en) *  19991214  20020326  Lidkoeping Machine Tools Ab  A method and apparatus for determining the roundness of a rotating workpiece 

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Patent Citations (7)
Publication number  Priority date  Publication date  Assignee  Title 

CN1042416A (en) *  19881103  19900523  清华大学  Macroaxis circularity, beat clinical measurement method and instrument 
CN101033936A (en) *  20070130  20070912  常熟理工学院  Method for measuring error of roller roundness and kinematic error of machine tool main axle using antipodal two points six positions 
CN101196394A (en) *  20070927  20080611  上海大学  Optimized least square appraisement method for roundness of minor segment circular arc 
CN101339021A (en) *  20080813  20090107  哈尔滨工业大学  Double offset parameter circle contour measurement model and biased error separation method 
CN101424512A (en) *  20081218  20090506  浙江大学  Method for detecting radial motion error of high speed principal axis by multiring coincidence threepoint method 
CN101957191A (en) *  20091029  20110126  华侨大学  Method for evaluating roundness and sphericity errors based on selfadaption iteration neighbourhood search 
CN102426001A (en) *  20111018  20120425  北京理工大学  Axial circular runout and total runout single displacement error separation device and method 
NonPatent Citations (1)
Title 

计算几何评定圆度的方法研究;张铁英 来可伟;《工程图学学报》;20021231(第3期);145152 * 
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