CN103234423A - Roller bearing seat manufacturing accuracy detecting method - Google Patents

Roller bearing seat manufacturing accuracy detecting method Download PDF

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Publication number
CN103234423A
CN103234423A CN2013101059332A CN201310105933A CN103234423A CN 103234423 A CN103234423 A CN 103234423A CN 2013101059332 A CN2013101059332 A CN 2013101059332A CN 201310105933 A CN201310105933 A CN 201310105933A CN 103234423 A CN103234423 A CN 103234423A
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CN
China
Prior art keywords
bearing seat
measure
qualified
size
sides
Prior art date
Application number
CN2013101059332A
Other languages
Chinese (zh)
Inventor
宋世岭
花晓多
王恩锁
王凯
王宏宇
王震宇
时大朋
宋亮
马雷
赵翔
孙玉成
闫海鹏
Original Assignee
鞍钢股份有限公司
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Application filed by 鞍钢股份有限公司 filed Critical 鞍钢股份有限公司
Priority to CN2013101059332A priority Critical patent/CN103234423A/en
Publication of CN103234423A publication Critical patent/CN103234423A/en

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Abstract

The invention relates to the field of mechanical processing accuracy detection, in particular to a roller bearing seat manufacturing accuracy detecting method. The roller bearing seat manufacturing accuracy detecting method is characterized by measuring key size and form and location tolerance of a bearing seat by combining conventional measuring tools such as inside and outside micrometers, try squares, vernier calipers and depth vernier scale, with auxiliary measuring tools such as measuring column and a sliding plate. Compared with the prior art, the roller bearing seat manufacturing accuracy detecting method has the advantages that without aid of a three-dimensional coordinate measuring instrument, roller bearing seat manufacturing accuracy can be detected, manufacturing and repair cost of the bearing seat is reduced, and online use of bearing seats with unqualified accuracy is thoroughly eliminated. Besides, damages of bearings and other parts, caused by unqualified manufacturing accuracy of the bearing seat are avoided, and cost of spare parts is reduced.

Description

A kind of roll chock manufacturing accuracy detection method
Technical field
The present invention relates to the machining accuracy detection range, particularly a kind of roll chock manufacturing accuracy detection method.
Background technology
From six three roller PQF tandem rolling units of continous way that Germany introduces, along with the increase of rolling kind, the roll chock spare unit are obviously not enough, and because of expensive from external introduction, so survey and draw voluntarily, make, its schema mapping is seen Fig. 1 and Fig. 2.The bearing seat of mapping back trial-production is reached the standard grade and is used only two days, heating and lubricating oil blackout phenomenon just appears in roll bearing, after continuing to use, bearing has just damaged because of heating, also causing roller in the time of damage of bearings is part: as the damage of axle sleeve, round nut, fixture block, the maintenance of equipment expense is significantly increased.
Through tandem rolling roll stand and roll assembled construction form and characteristics thereof are carried out research and analysis, tentatively judge reason that roll bearing damages be the manufacturing accuracy of bearing seat low, do not meet design and actual request for utilization.The manufacturing accuracy of the bearing seat that present measuring accuracy is had relatively high expectations generally is to use the three-dimensional coordinate detector, measurement expense is more expensive, and when the surrounding area does not have the three-dimensional coordinate detector, also will produce certain trucking costs with the detection of three-dimensional coordinate detector, and sense cycle is longer.
Summary of the invention
The purpose of this invention is to provide a kind of roll chock manufacturing accuracy detection method, adopt conventional survey instrument to replace the manufacturing accuracy of three-dimensional coordinate detector breaker roll bearing seat to check, measure, avoid underproof bearing seat to reach the standard grade and cause the damage of parts such as roll bearing, save measurement expense and the strange land of three-dimensional coordinate detector and detect the trucking costs that causes.
For achieving the above object, the present invention adopts following technical scheme to realize:
A kind of roll chock manufacturing accuracy detection method, the method for utilizing the routine measurement instrument to combine with supplemental measurement tool is measured critical size and the form and position tolerance of bearing seat, and it is as follows that it specifically detects step:
1) measure bearing seat bore diameter D1 with micrometer inside caliper, and the record measured value, qualified if measured value is in deviation range;
2) adopt the indirect method of measurement to detect the height H 1 of bearing seat bore hole axial line distance between bearing seat bottom surface C, earlier measure bearing seat bore hole hole wall to the minimum dimension measured value H of bearing seat bottom surface C with outside micrometer, and record measured value, calculate H1=H+D1/2, qualified if calculated value is in deviation range;
3) check bearing seat bottom surface C and the axis of bore depth of parallelism, whether vertical measure between bearing seat bottom surface C and bearing seat reference field M, the bore hole face of cylinder and the bearing seat reference field M respectively with try square, when right angle rod support and reference field M are close to, the clearance gauge of thickness 0.02mm can't pass be qualified;
4) measure bearing seat pilot hole diameter D2, measure with micrometer inside caliper, and the record measured value, qualified if measured value is in deviation range;
5) measure bearing seat reference field M to pilot hole axial line size H2, measure bearing seat reference field M to the minimum dimension H3 of pilot hole inside surface with outside micrometer, and the record measured value, calculate H2=H3+D2/2, qualified if calculated value is in deviation range;
6) measure the bearing seat two sides apart from the symmetry of the relative axis of bore of size H4, respectively with vernier caliper measurement bore hole inside surface to bearing seat two sides size, as the difference of two numerical value that record in the deviate scope, be qualified;
7) use vernier caliper measurement bearing seat two sides apart from size H4, qualified if measured value is in deviation range;
8) depth of parallelism of measurement bearing seat H4 size two sides, two slide plates are connected to respectively on the bearing seat two sides, check the verticality of bearing seat bottom surface C and two sides with try square, when being close to as if right angle rod support and bottom surface C, chi shoot apex thickness 0.02mm clearance gauge can't pass be qualified;
9) symmetry of measurement bearing seat two sides size H4 relative positioning axially bored line is measured the bearing seat two sides respectively to the size of pilot hole with vernier caliper, and it is qualified that the difference of these two sizes is in the deviate scope;
10) measure bearing seat pilot hole axial line and bearing seat bottom surface C squareness tolerance, its concrete operations are as follows:
A) will measure post and smear moderate lubrication oil and pack in the bearing seat pilot hole, measure bearing seat bottom surface C and amount post face of cylinder verticality with try square, if when right angle rod support and reference field are close to, chi shoot apex thickness 0.02mm clearance gauge can't pass be qualified;
B) measure bearing seat boring depth size H5 with depth vernier gage, it is qualified that measured value is in the deviate scope, and bearing seat critical size and form and position tolerance inspection thereof so far all finished.
Described amount post is cylindrical cup, its external diameter and bearing seat pilot hole internal diameter coupling, and bottom of cup is provided with threaded hole between two parties, is provided with screw in the threaded hole, and the head of screw exceeds the cup upper edge, the bottom of cup edge chamfer.
Described slide plate is the rectangle plate body, and plate body one side and bearing seat side benchmark B coincide, and the plate body two sides depth of parallelism is smaller or equal to 0.008mm, and plate body is provided with mounting hole, and mounting hole site is consistent with the threaded hole position on the benchmark B of bearing seat side.
Compared with prior art, the invention has the beneficial effects as follows: need not to detect the roll chock manufacturing accuracy by three-dimensional coordinate measuring instrument, reduced manufacturing and the rehabilitation expense of bearing seat, thoroughly stopped the use of reaching the standard grade of the underproof bearing seat of precision; Avoided because of the defective damage that causes bearing and other parts of bearing seat manufacturing accuracy, and then reduced the spare part expense.
Description of drawings
Fig. 1 is roll bearing holder structure graphometric square cun figure;
Fig. 2 is the cut-open view of Fig. 1;
Fig. 3 is the view that the present invention measures bore diameter D1;
Fig. 4 is the indirect instrumentation plan of the height H 1 of bearing seat bore hole axial line distance between bearing seat bottom surface C of the present invention;
Fig. 5 is the view that the present invention checks bearing seat bottom surface C and the axis of bore depth of parallelism;
Fig. 6 is the view that the present invention measures bearing seat pilot hole diameter D2;
Fig. 7 is that the present invention measures bearing seat reference field M to the indirect instrumentation plan of pilot hole axial line size H2;
Fig. 8, Fig. 9 are the view that the present invention measures the symmetry of the relative axis of bore of bearing seat two sides H4 size;
Figure 10 is that the present invention measures the bearing seat two sides apart from the view of size H4;
Figure 11, Figure 12 are the view that the present invention measures the depth of parallelism of H4 size two sides, bearing seat two sides;
Figure 13, Figure 14 are the view that the present invention measures the symmetry in size H4 relative positioning hole, bearing seat two sides;
Figure 15 is the example structure synoptic diagram of amount post of the present invention;
Figure 16 is that the present invention measures bearing seat bottom surface C and the view of measuring post face of cylinder verticality;
Figure 17 is the view that the present invention measures bearing seat boring depth size H5;
Figure 18 is the example structure synoptic diagram of slide plate of the present invention.
Among the figure: 1-slide plate 2-amount post 3-screw
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further:
A kind of roll chock manufacturing accuracy of the present invention detection method is by the method for utilizing the routine measurement instrument to combine with supplemental measurement tool critical size and the form and position tolerance of bearing seat to be measured, and it is as follows that it specifically detects step:
1) sees Fig. 3, be to measure bearing seat bore diameter D1 view with micrometer inside caliper, the D1 design load be φ 381 (upper deviation+0.152/ lower deviation+0.102mm), and record measured value, qualified if measured value D1 is in the deviation range of 381.102mm~381.152mm;
2) see Fig. 4, (design load is 350js7 ± 0.028mm) to adopt the indirect method of measurement to detect the height H 1 of bearing seat bore hole axial line distance between bearing seat bottom surface C, earlier measure bearing seat bore hole hole wall to the minimum dimension measured value H of bearing seat bottom surface C with outside micrometer, and record measured value, calculate H1=H+D1/2, qualified if calculated value is in deviation range;
3) see Fig. 5, check bearing seat bottom surface C and the axis of bore depth of parallelism, this tolerance value≤0.02mm, whether vertical measure between bearing seat bottom surface C and bearing seat reference field M, the bore hole face of cylinder and the bearing seat reference field M respectively with try square, when right angle rod support and reference field M are close to, the clearance gauge of thickness 0.02mm can't pass be qualified;
4) see Fig. 6, measure bearing seat pilot hole diameter D2, design load is φ 85H7 (+0.035/0) mm, measure with micrometer inside caliper, and the record measured value, qualified if measured value is in deviation range;
5) see Fig. 7, measure bearing seat reference field M to pilot hole axial line size H2, design load is 80 (± 0.025) mm, adopt the indirect method of measurement, measure bearing seat reference field M to the minimum dimension H3 of pilot hole inside surface with outside micrometer earlier, and the record measured value, calculate H2=H3+D2/2, qualified if calculated value is in deviation range;
6) see Fig. 8, Fig. 9, measure the bearing seat two sides apart from the symmetry of the relative axis of bore of size H4, respectively with vernier caliper measurement bore hole inside surface to bearing seat two sides size, as the difference of two numerical value that record in the deviate scope, be qualified;
7) see Figure 10, apart from size H4, design load is 644 ± 0.04mm with vernier caliper measurement bearing seat two sides, and is qualified if measured value is in deviation range;
8) see Figure 11, Figure 12, measure the depth of parallelism (deviation range 0.025mm) of bearing seat H4 size two sides, two slide plates 1 are connected to respectively on the bearing seat two sides, check the verticality of bearing seat bottom surface C and two sides with try square, when if right angle rod support and bottom surface C are close to, chi shoot apex thickness 0.02mm clearance gauge can't pass be qualified;
9) see Figure 13, Figure 14, measure the symmetry (deviation range 0.05mm) of bearing seat two sides size H4 relative positioning axially bored line, measure the bearing seat two sides respectively to the size of pilot hole with vernier caliper, it is qualified that the difference of these two sizes is in the deviate scope;
10) measure bearing seat pilot hole axial line and bearing seat bottom surface C squareness tolerance, its concrete operations are as follows:
A) see Figure 16, will measure post 2 and smear moderate lubrication oil and pack in the bearing seat pilot hole, measure bearing seat bottom surface C and amount post 2 face of cylinder verticality with try square, if when right angle rod support and reference field are close to, chi shoot apex thickness 0.02mm clearance gauge can't pass be qualified;
B) see Figure 17, measure bearing seat boring depth size H5 with depth vernier gage, design load is 130.9 (0/-0.1) mm, it is qualified that measured value is in the deviate scope, so far bearing seat critical size and form and position tolerance inspection thereof all finished, have only the whole qualified bearing seats of above-mentioned size and form and position tolerance just can reach the standard grade, so just can avoid because of the defective device damage that causes of bearing seat manufacturing accuracy.
See Figure 15, amount post 2 is cylindrical cup, its external diameter and bearing seat pilot hole internal diameter coupling, external diameter φ 85h6 (0/-0.022) mm, height 160mm, bottom of cup is provided with threaded hole between two parties, be provided with screw 3 in the threaded hole, the head of screw exceeds the cup upper edge, and 3 * 10 ° of chamferings are established at the bottom of cup edge, insert in the bearing seat pilot hole with convenient amount post, the purpose of establishing screw is to be convenient for measuring back taking-up amount post.
See Figure 18, slide plate 1 is the rectangle plate body, and plate body one side and bearing seat side benchmark B coincide, and the plate body two sides depth of parallelism is smaller or equal to 0.008mm, and plate body is provided with mounting hole, and mounting hole site is consistent with the threaded hole position on the benchmark B of bearing seat side.

Claims (3)

1. a roll chock manufacturing accuracy detection method is characterized in that, the method for utilizing the routine measurement instrument to combine with supplemental measurement tool is measured critical size and the form and position tolerance of bearing seat, and it is as follows that it specifically detects step:
1) measure bearing seat bore diameter D1 with micrometer inside caliper, and the record measured value, qualified if measured value is in deviation range;
2) adopt the indirect method of measurement to detect the height H 1 of bearing seat bore hole axial line distance between bearing seat bottom surface C, earlier measure bearing seat bore hole hole wall to the minimum dimension measured value H of bearing seat bottom surface C with outside micrometer, and record measured value, calculate H1=H+D1/2, qualified if calculated value is in deviation range;
3) check bearing seat bottom surface C and the axis of bore depth of parallelism, whether vertical measure between bearing seat bottom surface C and bearing seat reference field M, the bore hole face of cylinder and the bearing seat reference field M respectively with try square, when right angle rod support and reference field M are close to, the clearance gauge of thickness 0.02mm can't pass be qualified;
4) measure bearing seat pilot hole diameter D2, measure with micrometer inside caliper, and the record measured value, qualified if measured value is in deviation range;
5) measure bearing seat reference field M to pilot hole axial line size H2, measure bearing seat reference field M to the minimum dimension H3 of pilot hole inside surface with outside micrometer, and the record measured value, calculate H2=H3+D2/2, qualified if calculated value is in deviation range;
6) measure the bearing seat two sides apart from the symmetry of the relative axis of bore of size H4, respectively with vernier caliper measurement bore hole inside surface to bearing seat two sides size, as the difference of two numerical value that record in the deviate scope, be qualified;
7) use vernier caliper measurement bearing seat two sides apart from size H4, qualified if measured value is in deviation range;
8) depth of parallelism of measurement bearing seat H4 size two sides, two slide plates are connected to respectively on the bearing seat two sides, check the verticality of bearing seat bottom surface C and two sides with try square, when being close to as if right angle rod support and bottom surface C, chi shoot apex thickness 0.02mm clearance gauge can't pass be qualified;
9) symmetry of measurement bearing seat two sides size H4 relative positioning axially bored line is measured the bearing seat two sides respectively to the size of pilot hole with vernier caliper, and it is qualified that the difference of these two sizes is in the deviate scope;
10) measure bearing seat pilot hole axial line and bearing seat bottom surface C squareness tolerance, its concrete operations are as follows:
A) will measure post and smear moderate lubrication oil and pack in the bearing seat pilot hole, measure bearing seat bottom surface C and amount post face of cylinder verticality with try square, if when right angle rod support and reference field are close to, chi shoot apex thickness 0.02mm clearance gauge can't pass be qualified;
B) measure bearing seat boring depth size H5 with depth vernier gage, it is qualified that measured value is in the deviate scope, and bearing seat critical size and form and position tolerance inspection thereof so far all finished.
2. the amount post described in claim 1 method is characterized in that, it is cylindrical cup, its external diameter and bearing seat pilot hole internal diameter coupling, bottom of cup is provided with threaded hole between two parties, is provided with screw in the threaded hole, the head of screw exceeds the cup upper edge, the bottom of cup edge chamfer.
3. the slide plate described in claim 1 method is characterized in that, it is the rectangle plate body, plate body one side and bearing seat side benchmark B coincide, the plate body two sides depth of parallelism is smaller or equal to 0.008mm, and plate body is provided with mounting hole, and mounting hole site is consistent with the threaded hole position on the benchmark B of bearing seat side.
CN2013101059332A 2013-03-28 2013-03-28 Roller bearing seat manufacturing accuracy detecting method CN103234423A (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104501711A (en) * 2014-12-15 2015-04-08 贵州安吉航空精密铸造有限责任公司 Deformation detecting method of large aluminum alloy melting film precise casting box body casting piece
CN106247999A (en) * 2016-08-30 2016-12-21 安徽马钢重型机械制造有限公司 A kind of hot-rolled strip roll bearing seat liner plate symmetry detection method and device
CN106345822A (en) * 2016-08-30 2017-01-25 安徽马钢重型机械制造有限公司 Method for detecting symmetry of cold rolling bearing seat lining plate
CN108332635A (en) * 2017-12-20 2018-07-27 天津华建天恒传动有限责任公司 A kind of survey tool for range measurement between bearing block two sides
CN110657731A (en) * 2019-09-18 2020-01-07 江苏理工学院 Measuring device and testing method for basic overall dimension of large bearing

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CN101458057A (en) * 2007-12-12 2009-06-17 中国二十冶建设有限公司 Housing window squareness and parallelism measurement method
CN201945283U (en) * 2011-01-27 2011-08-24 南车洛阳机车有限公司 Pre-buried bushing verticality detecting gauge for ballastless track plate

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104501711A (en) * 2014-12-15 2015-04-08 贵州安吉航空精密铸造有限责任公司 Deformation detecting method of large aluminum alloy melting film precise casting box body casting piece
CN106247999A (en) * 2016-08-30 2016-12-21 安徽马钢重型机械制造有限公司 A kind of hot-rolled strip roll bearing seat liner plate symmetry detection method and device
CN106345822A (en) * 2016-08-30 2017-01-25 安徽马钢重型机械制造有限公司 Method for detecting symmetry of cold rolling bearing seat lining plate
CN106247999B (en) * 2016-08-30 2019-04-02 安徽马钢重型机械制造有限公司 The detection method and device of hot-rolled strip roll bearing seat liner plate symmetry
CN108332635A (en) * 2017-12-20 2018-07-27 天津华建天恒传动有限责任公司 A kind of survey tool for range measurement between bearing block two sides
CN110657731A (en) * 2019-09-18 2020-01-07 江苏理工学院 Measuring device and testing method for basic overall dimension of large bearing

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Application publication date: 20130807