CN101750007A - Contact type measuring method for precisely measuring position of bearing ferrule trench - Google Patents
Contact type measuring method for precisely measuring position of bearing ferrule trench Download PDFInfo
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- CN101750007A CN101750007A CN201010105348A CN201010105348A CN101750007A CN 101750007 A CN101750007 A CN 101750007A CN 201010105348 A CN201010105348 A CN 201010105348A CN 201010105348 A CN201010105348 A CN 201010105348A CN 101750007 A CN101750007 A CN 101750007A
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Abstract
The invention provides a contact type measuring method for precisely measuring position of a bearing ferrule trench. A worktable (1) and a V-type groove table (2) are provided, the V-type groove table is installed with a baffle (7), a trench position measuring bracket (5) moves up and down along the baffle and is fixed by a locking screw (6), and a standard ball (4) with the semi-diameter of R is fixed at the cantilever end of the trench position measuring bracket. Fine adjusting is carried out to lead bus lines of the standard ball and a standard column rod arranged on the V-type groove table to be axially superposed, an inductance sensor (8) which can horizontally move is fixed above the standard ball, and a measured ferrule (3) with the measured width of H is taken and placed on the V-type groove table. Suppose the standard ball is respectively tangential to the end faces A and B of the measured ferrule so as to obtain the trench circular arc center distance LA and LB in a measuring manner, the position size corrosion value E of the measured ferrule is obtained and stored into a computer for other measured ferrules to be detected in the same batch, and the actual trench position size W(any)` from any end face of other measured ferrules to a circular arc of the trench equals to W(any) minus E and equals to L(any) minus R minus E.
Description
Technical field
The invention belongs to the bearing ring measuring technical field, particularly a kind of contact measurement method of precision measurement position of bearing ferrule trench.
Background technology
Position of bearing ferrule trench is meant the distance of ring face to the raceway groove center.Measure the following several method of the many employings of position of bearing ferrule trench at present:
1, adopt reversal process to measure by horizontal metroscope.The reversal process measuring method is by relatively the bearing ring bottom of trench is to the alternate position spike of lasso both ends of the surface and the measurement of lasso overall width realization lasso ditch position, and it is more accurate to measure, but comparatively loaded down with trivial details, is not suitable for the batch detection of manufacturer's model of the same race.
2, measure by the contact contourgraph.Contact contourgraph measuring method is bearing ring to be placed on the rotary table and with the lasso certain angle that tilts, chaining pin sweep test ring face and raceway groove, obtain the distance of ring face by least square method, thereby realize the measurement of ditch position to the ditch center.This method principle is correct, but because ring face is a plumbness with the mill groove face, adopts the instrument of rectangular coordinate contact type measurement profile can bring bigger error when measuring evaluation, is difficult to realize the ditch position high-acruracy survey of bearing ring.
Summary of the invention
For addressing the above problem, the invention provides a kind of contact measurement method of precision measurement position of bearing ferrule trench, this contact measurement method can significantly improve the measuring accuracy and the efficiency of measurement of position of bearing ferrule trench.
In order to realize the foregoing invention purpose, the present invention has adopted following technical scheme:
The contact measurement method of described precision measurement position of bearing ferrule trench is to place the worktable with half-arc groove earlier on contourgraph, in half-arc groove worktable upper end V-type groove platform is set, V-type groove platform not only can rotate along the half-arc groove of worktable but also can move horizontally along worktable half-arc groove length direction, at V-type groove platform left end baffle plate is installed, the baffle plate vertical orientation has straight trough, the vertical center line of baffle plate straight trough overlaps with the V-type groove center line of V-type groove platform, ditch position measurement bracket can move up and down along the straight trough of baffle plate and by lock-screw it is fixed on the baffle plate, fixing a measurement radius at the cantilever end of ditch position measurement bracket is the standard ball of R, and the center line of standard ball overlaps with the V-type groove center line of V-type groove platform; Measure the interior standard cylindrical rod of placing of V-type flute length of forward position V-type groove platform, fine setting worktable or V-type groove platform makes the standard ball minimum point that is fixed on the measurement bracket of ditch position overlap with the axial bus of standard cylindrical rod, simultaneously the upper fixed one of standard ball can horizontal move left and right inductance sensor, the inductance sensor chaining pin of horizontal move left and right overlaps with the axial bus of standard cylindrical rod equally, remove standard round post rod after the fine setting, get one to have surveyed width be the tested lasso of H and be placed in the V-type groove of V-type groove platform, two radial end faces of tested lasso are marked with A end face and B end face in advance, suppose the A end face contact standard ball of tested lasso, make the A end face of standard ball and tested lasso tangent by ditch position measurement bracket moving up and down of baffle plate straight trough, fix ditch position measurement bracket by lock-screw then, the A end face relative position of standard ball and tested lasso just is determined; During contact type measurement the inductance sensor chaining pin moved right along standard ball bus profile level from standard ball left side beginning and carry out scanning survey till the right-hand member groove of the whole raceway groove circular arc of tested lasso, inductance sensor feeds back to computing machine to the data of scanning survey can obtain standard ball and the tested lasso A end face centre distance L to the whole raceway groove circular arc of tested lasso
A, described centre distance L
AObtain the position dimension W of tested lasso A end face after deducting the standard ball radius R to the whole raceway groove circular arc of tested lasso
A=L
A-R, be placed in the V-type groove of V-type groove platform after 180 ° of the tested lasso counter-rotatings then, this moment, the B end face of standard ball and tested lasso was tangent, repeated the scanning survey process of above-mentioned inductance sensor chaining pin, obtained the centre distance L of standard ball and the whole raceway groove circular arc of the tested tested lasso of lasso B end face
B, described centre distance L
BObtain the position dimension W of tested lasso B end face after deducting the standard ball radius R to the whole raceway groove circular arc of tested lasso
B=L
B-R under the situation that tested ring width H has surveyed, can obtain the modified value E=(W of tested lasso ditch position dimension
A+ W
B-H)/2, tested lasso A end face to the actual ditch position dimension of the whole raceway groove circular arc of tested lasso is W under the prerequisite of modified value E
A'=W
A-(W
A+ W
B-H)/2, tested lasso B end face to the actual ditch position dimension of the whole raceway groove circular arc of tested lasso is W under the prerequisite of modified value E
B'=W
B-(W
A+ W
B-H)/2; Because the basic size with batch tested lasso does not change, so can deposit in the modified value E of the contact type measurement ditch position dimension of above-mentioned tested lasso in the tables of data of computer measurement program and be used for other same batch of tested lasso to be checked, the same batch of tested lasso that other is to be checked is placed in the V-type groove of V-type groove platform, this moment can be at two radial end faces of mark with batch tested lasso, as long as will be with any one end face contact standard ball and tangent of batch tested lasso, the position dimension W of measured raceway groove circular arc with standard ball
Appoint=L
Appoint-R, can obtain same batch any one end face of tested lasso to the actual ditch position dimension of this raceway groove circular arc under known situation with batch tested ring width H and the computing machine modified value E that deposits in is W
Appoint'=W
Appoint-E=L
Appoint-R-E.
Owing to adopt technical scheme as mentioned above, the present invention has following superiority:
1, measuring method of the present invention can not only improve the precision of measurement, and repeatable accuracy can reach in the 5 μ m;
2. in trying to achieve the process of modified value, standard ball radius R and tested lasso thickness H obtain exact value by modes such as horizontal metroscopes easily.For for batch tested lasso, only need one of them tested ferrule mark A end face and B end face are obtained modified value E, only need appoint other same batch of tested lasso to be checked and to get the actual ditch position dimension that an end face just can obtain this tested lasso fast, satisfy with batch bearing ring and made and position of bearing ferrule trench is being carried out the needs of fast detecting in batches during assembling.
2, by to the accurate measurement of position of bearing ferrule trench, can satisfy the precision assembling needs of bearing industry, and the effective protrusion amount of Control Shaft bearing ring.
Description of drawings
Fig. 1 is a measurement mechanism structural representation of the present invention.
Fig. 2 is the right view of Fig. 1.
Among the above-mentioned figure: the 1-worktable; 2-V type groove platform; The tested lasso of 3-; The 4-standard ball; 5-ditch position measurement bracket; The 6-lock-screw; The 7-baffle plate; The 8-inductance sensor.
Embodiment
The used measurement mechanism of contact measurement method of realizing precision measurement position of bearing ferrule trench of the present invention is made of worktable 1, V-type groove platform 2, standard ball 4, ditch position measurement bracket 5, lock-screw 6, baffle plate 7 and inductance sensor 7.
In conjunction with Fig. 1-2, on contourgraph, place worktable 1 earlier with half-arc groove, in half-arc groove worktable upper end V-type groove platform 2 is set, V-type groove platform 2 not only can rotate along the half-arc groove of worktable 1 but also can move horizontally along worktable half-arc groove length direction, at V-type groove platform 2 left ends baffle plate 7 is installed, baffle plate 7 vertical orientation have straight trough, the vertical center line of baffle plate straight trough overlaps with the V-type groove center line of V-type groove platform, ditch position measurement bracket 5 can move up and down along the straight trough of baffle plate 7 and by lock-screw 6 it is fixed on the baffle plate 7, fixing a measurement radius at the cantilever end of ditch position measurement bracket 5 is the standard ball 4 of R, and the center line of standard ball 4 overlaps with the V-type groove center line of V-type groove platform 2.
Measure the interior standard cylindrical rod of placing of V-type flute length of forward position V-type groove platform, fine setting worktable 1 or V-type groove platform 2 makes standard ball 4 minimum points that are fixed on the ditch position measurement bracket 5 overlap with the axial bus of standard cylindrical rod, simultaneously the upper fixed one of standard ball 4 can horizontal move left and right inductance sensor 8, the inductance sensor chaining pin of horizontal move left and right overlaps with the axial bus of standard cylindrical rod equally, remove standard round post rod after the fine setting, get one to have surveyed width be the tested lasso 3 of H and be placed in the V-type groove of V-type groove platform 2, two radial end faces of tested lasso 3 are marked with A end face and B end face in advance, suppose the A end face contact standard ball 4 of tested lasso 3, make standard ball 4 tangent by ditch position measurement bracket 5 moving up and down of baffle plate 7 straight troughs with the A end face of tested lasso 3, fix ditch position measurement bracket 5 by lock-screw 6 then, standard ball 4 just is determined with the A end face relative position of tested lasso 3.
During contact type measurement inductance sensor 8 chaining pins are begun from standard ball 4 left sides to move right along standard ball bus profile level and carry out scanning survey till the right-hand member groove of tested lasso 3 whole raceway groove circular arcs, inductance sensor 8 feeds back to computing machine to the data of scanning survey can obtain standard ball 4 and the tested lasso A end face centre distance L to the whole raceway groove circular arc of tested lasso
A, described centre distance L
AObtain the position dimension W of tested lasso A end face after deducting the standard ball radius R to the whole raceway groove circular arc of tested lasso
A=L
A-R, be placed in the V-type groove of V-type groove platform 2 after 180 ° of tested lasso 3 counter-rotatings then, this moment, standard ball 4 was tangent with the B end face of tested lasso 3, repeat the scanning survey process of above-mentioned inductance sensor 8 chaining pins, obtain the centre distance L of standard ball 4 and the whole raceway groove circular arc of the tested tested lasso of lasso B end face
B, described centre distance L
BObtain the position dimension W of tested lasso B end face after deducting the standard ball radius R to the whole raceway groove circular arc of tested lasso
B=L
B-R under the situation that tested ring width H has surveyed, can obtain the modified value E=(W of tested lasso ditch position dimension
A+ W
B-H)/2, tested lasso A end face to the actual ditch position dimension of the whole raceway groove circular arc of tested lasso is W under the prerequisite of modified value E
A'=W
A-(W
A+ W
B-H)/2, tested lasso B end face to the actual ditch position dimension of the whole raceway groove circular arc of tested lasso is W under the prerequisite of modified value E
B'=W
B-(W
A+ W
B-H)/2.
Because the basic size with batch tested lasso does not change, so can deposit in the modified value E of the contact type measurement ditch position dimension of above-mentioned tested lasso in the tables of data of computer measurement program and be used for other same batch of tested lasso to be checked, the same batch of tested lasso that other is to be checked is placed in the V-type groove of V-type groove platform, this moment can be at two radial end faces of mark with batch tested lasso, as long as will be with any one end face contact standard ball and tangent of batch tested lasso, the position dimension W of measured raceway groove circular arc with standard ball
Appoint=L
Appoint-R, can obtain same batch any one end face of tested lasso to the actual ditch position dimension of this raceway groove circular arc under known situation with batch tested ring width H and the computing machine modified value E that deposits in is W
Appoint'=W
Appoint-E=L
Appoint-R-E.
The present invention is in the process of trying to achieve modified value E, and standard ball radius R and tested lasso thickness H obtain exact value by modes such as horizontal metroscopes easily.For for batch tested lasso, only need one of them tested ferrule mark A end face and B end face are obtained modified value E, only need appoint other same batch of tested lasso to be checked and get the actual ditch position dimension W that an end face just can obtain this tested lasso fast
Appoint'=W
Appoint-E=L
Appoint-R-E has satisfied with batch bearing ring and when making and assemble position of bearing ferrule trench has been carried out the needs of fast detecting in batches.
Measuring method of the present invention can improve the measuring accuracy with batch tested lasso, and its repeatable accuracy of correction by modified value E can reach in the 5 μ m, has higher measurement statistical probability.
Claims (1)
1. the contact measurement method of a precision measurement position of bearing ferrule trench, it is characterized in that: on contourgraph, place worktable (1) earlier with half-arc groove, in half-arc groove worktable upper end V-type groove platform (2) is set, V-type groove platform (2) not only can rotate along the half-arc groove of worktable (1) but also can move horizontally along worktable half-arc groove length direction, at V-type groove platform (2) left end baffle plate (7) is installed, baffle plate (7) vertical orientation has straight trough, the vertical center line of baffle plate straight trough overlaps with the V-type groove center line of V-type groove platform, ditch position measurement bracket (5) can move up and down along the straight trough of baffle plate (7) and by lock-screw (6) it is fixed on the baffle plate (7), fixing a measurement radius at the cantilever end of ditch position measurement bracket (5) is the standard ball (4) of R, and the center line of standard ball (4) overlaps with the V-type groove center line of V-type groove platform (2); Measure the interior standard cylindrical rod of placing of V-type flute length of forward position V-type groove platform, fine setting worktable (1) or V-type groove platform (2) makes standard ball (4) minimum point that is fixed on the ditch position measurement bracket (5) overlap with the axial bus of standard cylindrical rod, simultaneously the upper fixed one of standard ball (4) can horizontal move left and right inductance sensor (8), the inductance sensor chaining pin of horizontal move left and right overlaps with the axial bus of standard cylindrical rod equally, remove standard round post rod after the fine setting, get one to have surveyed width be the tested lasso (3) of H and be placed in the V-type groove of V-type groove platform (2), two radial end faces of tested lasso (3) are marked with A end face and B end face in advance, suppose the A end face contact standard ball (4) of tested lasso (3), make standard ball (4) tangent by ditch position measurement bracket (5) moving up and down of baffle plate (7) straight trough with the A end face of tested lasso (3), fix ditch position measurement bracket (5) by lock-screw (6) then, standard ball (4) just is determined with the A end face relative position of tested lasso (3); During contact type measurement inductance sensor (8) chaining pin moved right along standard ball bus profile level from standard ball (4) left side beginning and carry out scanning survey till the right-hand member groove of the whole raceway groove circular arc of tested lasso (3), inductance sensor (8) feeds back to computing machine to the data of scanning survey can obtain the extremely centre distance L of the whole raceway groove circular arc of tested lasso of standard ball (4) and tested lasso A end face
A, described centre distance L
AObtain the position dimension W of tested lasso A end face after deducting the standard ball radius R to the whole raceway groove circular arc of tested lasso
A=L
A-R, be placed in the V-type groove of V-type groove platform (2) after 180 ° of tested lasso (3) counter-rotatings then, standard ball this moment (4) is tangent with the B end face of tested lasso (3), repeat the scanning survey process of above-mentioned inductance sensor (8) chaining pin, obtain the centre distance L of standard ball (4) and the whole raceway groove circular arc of the tested tested lasso of lasso B end face
B, described centre distance L
BObtain the position dimension W of tested lasso B end face after deducting the standard ball radius R to the whole raceway groove circular arc of tested lasso
B=L
B-R under the situation that tested ring width H has surveyed, can obtain the modified value E=(W of tested lasso ditch position dimension
A+ W
B-H)/2, tested lasso A end face to the actual ditch position dimension of the whole raceway groove circular arc of tested lasso is W under the prerequisite of modified value E
A'=W
A-(W
A+ W
B-H)/2, tested lasso B end face to the actual ditch position dimension of the whole raceway groove circular arc of tested lasso is W under the prerequisite of modified value E
B'=W
B-(W
A+ W
B-H)/2; Because the basic size with batch tested lasso does not change, so can deposit in the modified value E of the contact type measurement ditch position dimension of above-mentioned tested lasso in the tables of data of computer measurement program and be used for other same batch of tested lasso to be checked, the same batch of tested lasso that other is to be checked is placed in the V-type groove of V-type groove platform, this moment can be at two radial end faces of mark with batch tested lasso, as long as will be with any one end face contact standard ball and tangent of batch tested lasso, the position dimension W of measured raceway groove circular arc with standard ball
Appoint=L
Appoint-R, can obtain same batch any one end face of tested lasso to the actual ditch position dimension of this raceway groove circular arc under known situation with batch tested ring width H and the computing machine modified value E that deposits in is W
Appoint'=W
Appoint-E=L
Appoint-R-E.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101053489A CN101750007B (en) | 2010-02-01 | 2010-02-01 | Contact type measuring method for precisely measuring position of bearing ferrule trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101053489A CN101750007B (en) | 2010-02-01 | 2010-02-01 | Contact type measuring method for precisely measuring position of bearing ferrule trench |
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| CN101750007A true CN101750007A (en) | 2010-06-23 |
| CN101750007B CN101750007B (en) | 2012-03-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003554A (en) * | 2015-08-03 | 2015-10-28 | 昆山康斯特精密机械有限公司 | Rotary mechanism for hub bearing outer ring groove position detection device |
| CN109855514A (en) * | 2018-12-27 | 2019-06-07 | 中国航发哈尔滨轴承有限公司 | A kind of measurement method of the double half inner ring ditch curvature of angular contact ball bearing |
| CN110657761A (en) * | 2019-09-05 | 2020-01-07 | 人本集团有限公司 | Auxiliary device for observing bearing ring channel |
| CN111307009A (en) * | 2019-12-12 | 2020-06-19 | 中国航发哈尔滨轴承有限公司 | Method for measuring position of bearing ring groove by using contourgraph |
| CN115355835A (en) * | 2022-10-19 | 2022-11-18 | 中国科学院长春光学精密机械与物理研究所 | Bearing inner and outer diameter measuring device and measuring method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3081174B2 (en) * | 1997-07-08 | 2000-08-28 | 株式会社東京精密 | Roundness measuring instrument and its detector sensitivity calibration method |
| CN100359288C (en) * | 2005-12-02 | 2008-01-02 | 洛阳轴承集团有限公司 | Angular contact ball bearing outer ring groove position instrument measuring method |
| CN2879118Y (en) * | 2006-03-28 | 2007-03-14 | 山东建筑大学 | Measuring tool for outer arc radius |
| CN200941050Y (en) * | 2006-04-15 | 2007-08-29 | 襄樊星火汽车零部件制造有限公司 | Angle contact ball bearing groove diameter detector |
| CN101556134B (en) * | 2009-05-21 | 2011-01-05 | 陈焕春 | Tool for measuring distance between hole axis and cylindrical axis |
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2010
- 2010-02-01 CN CN2010101053489A patent/CN101750007B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003554A (en) * | 2015-08-03 | 2015-10-28 | 昆山康斯特精密机械有限公司 | Rotary mechanism for hub bearing outer ring groove position detection device |
| CN105003554B (en) * | 2015-08-03 | 2018-01-23 | 昆山康斯特精密机械有限公司 | Hub bearing outer ring channel level detection apparatus rotating mechanism |
| CN109855514A (en) * | 2018-12-27 | 2019-06-07 | 中国航发哈尔滨轴承有限公司 | A kind of measurement method of the double half inner ring ditch curvature of angular contact ball bearing |
| CN110657761A (en) * | 2019-09-05 | 2020-01-07 | 人本集团有限公司 | Auxiliary device for observing bearing ring channel |
| CN111307009A (en) * | 2019-12-12 | 2020-06-19 | 中国航发哈尔滨轴承有限公司 | Method for measuring position of bearing ring groove by using contourgraph |
| CN115355835A (en) * | 2022-10-19 | 2022-11-18 | 中国科学院长春光学精密机械与物理研究所 | Bearing inner and outer diameter measuring device and measuring method thereof |
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|---|---|
| CN101750007B (en) | 2012-03-14 |
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Application publication date: 20100623 Assignee: Luoyang axis research Pml Precision Mechanism Ltd Assignor: Zhouyan Science and Technology Co., Ltd., Luoyang Contract record no.: 2015410000017 Denomination of invention: Contact type measuring method for precisely measuring position of bearing ferrule trench Granted publication date: 20120314 License type: Exclusive License Record date: 20150330 |
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