CN106595427A - Inner ring assembling protrusion amount detection method for double inner ring double row angular contact ball bearing - Google Patents
Inner ring assembling protrusion amount detection method for double inner ring double row angular contact ball bearing Download PDFInfo
- Publication number
- CN106595427A CN106595427A CN201611161698.0A CN201611161698A CN106595427A CN 106595427 A CN106595427 A CN 106595427A CN 201611161698 A CN201611161698 A CN 201611161698A CN 106595427 A CN106595427 A CN 106595427A
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- China
- Prior art keywords
- inner ring
- double
- angular contact
- row angular
- height block
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Classifications
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Abstract
The invention discloses an inner ring assembling protrusion amount detection method for a double inner ring double row angular contact ball bearing, relates to a protrusion amount detection method and aims to solve problems of low axial clearance pass rate and high part detective rate existing in a double inner ring double row angular contact ball bearing in the prior art. According to the method, a height block is arranged on an inner ring marked in a step 2, a measurement instrument is arranged at an upper end surface of the height block, a measurement load is applied to a bearing measurement instrument, a value of a first direct measurement variable sigma3 is read, sigma1=H-sigma3 is acquired, and the other inner ring of the two, an outer ring other row and a holding frame are assembled and are then disposed on the bearing measurement instrument; the height block is arranged on the inner ring of a step 5, a value of a second direct measurement variable sigma4 is read, sigma2=H-sigma4 is acquired, the sigma1=H-sigma3 and the sigma2=H-sigma4 are put into a formula, sigma=2H-C-sigma3-sigma4 is acquired, and inner ring assembling protrusion amount is acquired. The method is applicable to inner ring assembling protrusion amount detection of the double inner ring double row angular contact ball bearing.
Description
Technical field
The present invention relates to a kind of Bearing testing method, and in particular to the inner ring group of a kind of pair of inner ring double-row angular contact bal bearing
With Projection Measure method.
Background technology
Double inner ring double-row angular contact bal bearings are different from angular contact ball bearing version is assembled, double inner ring double row angular contacts
The outer ring for being mainly characterized by double-row bearing of ball bearing is an overall structure, and inner ring is constituted for detached two inner rings, and axle
Non-removable overall structure after assembling trap is held, the type bearing is by protruding between value by measurement in assembling process
End-play value after guarantee trap is connect, accordingly, it would be desirable to one kind carries out inner ring before bearing assemble assembles protrusion measuring method, with
Reach the requirement for ensureing indirectly end-play with protrusion value.
To sum up, double inner ring double-row angular contact bal bearing end-play qualification rates are low and part scrap rate is high at present.
The content of the invention
To solve at present double inner ring double-row angular contact bal bearings, the present invention has that end-play qualification rate is low and part waste product
The high problem of rate, and then the inner ring of a kind of pair of inner ring double-row angular contact bal bearing of offer assembles Projection Measure method.
The present invention is adopted the technical scheme that to solve above-mentioned technical problem：
It is as follows that the inner ring of double inner ring double-row angular contact bal bearings of the present invention assembles Projection Measure method and step：
Step one, before bearing completes trap, choose and a set of complete double inner ring double row angular contact balls that end-play is assembled
Bearing, measures outer ring width value C；
Step 2, an inner ring 3 of one middle (center) bearing of selecting step are marked, by the inner ring 3 of the labelling and corresponding string
Outer ring and retainer 4 are placed on instrument for measuring bearings 8 after being assembled；
Step 3, inner ring assemble bulge quantity：δ=δ 1+ δ 2-C (1)
Wherein δ assembles bulge quantity for inner ring, and δ 1 is the first indirectly measured quantities, and δ 2 is the second indirectly measured quantities, and C is outer ring width
Angle value；
Step 4, height block 6 is placed on the inner ring 3 of labelling in step 2, measuring instrumentss 7 are placed on into height block 6
On upper surface, apply measurement load on instrument for measuring bearings 8, read the value of the first directly measured quantities δ 3, try to achieve
δ 1=H- δ 3 (2)
Step 5, take the row another with outer ring 1 of remaining inner ring 5 in two inner rings and retainer 4 is assembled, then place
On instrument for measuring bearings 8；
On step 6, the inner ring 5 that height block 6 is placed in step 5, measuring instrumentss 7 are placed on into the upper end of height block 6
On face, apply measurement load on instrument for measuring bearings 8, read the value of the second directly measured quantities δ 4, try to achieve
δ 2=H- δ 4 (3)
Step 7, by δ 1=H- δ 3；δ 2=H- δ 4 are substituted in formula (1), are obtained
δ=2H-C- δ 3- δ 4 (4)
Bulge quantity is assembled so as to obtain inner ring.
The present invention is had the advantages that compared with prior art：
Double inner ring double-row angular contact bal bearing inner rings of the present invention assemble protrusion measuring method to be advanced in bearing assembling
Row protrusion measuring, is such as unsatisfactory for protrusion measuring value and requires to carry out reconditioning inner ring, then remeasure, enter after reaching requirement again
Row trap works, and it is unqualified so to avoid measuring after trap end-play, need to destroy bearing inner race and rolling element again again
Trap is measured, and reduces part scrap rate, improves bearing assemble rate；
Double inner ring double-row angular contact bal bearing inner rings of the present invention assemble protrusion measuring method and can meet non-dismountable whole
The protrusion measuring of the double inner ring double-row angular contact bal bearings of body structure, ensures indirectly end-play, improves bearing assemble rear axle
To clearance qualification rate, finished product bearing inner race need not be destroyed and rolling element matches part trap again again.
Description of the drawings
Fig. 1 is the main sectional view of double inner ring double-row angular contact bal bearings of the present invention；
Fig. 2 is the measurement process schematic diagram of the first directly measured quantities δ 3 in one step 4 of specific embodiment；
Fig. 3 is the measurement process schematic diagram of the second directly measured quantities δ 4 in one step 6 of specific embodiment.
Wherein：1 is bearing outer ring, and 2 is steel ball, and 3 is labelling inner ring, and 4 is retainer, and 5 is remaining interior in two inner rings
Circle, 6 is height block, and 7 is measuring instrumentss, and 8 is instrument for measuring bearings.
Specific embodiment
Specific embodiment one：As shown in Figures 1 to 3, the inner ring of double inner ring double-row angular contact bal bearings of present embodiment
Assemble Projection Measure method and step as follows：
Step one, before bearing completes trap, choose and a set of complete double inner ring double row angular contact balls that end-play is assembled
Bearing, measures outer ring width value C；
Step 2, an inner ring 3 of one middle (center) bearing of selecting step are marked, by the inner ring 3 of the labelling and corresponding string
Outer ring and retainer 4 are placed on instrument for measuring bearings 8 after being assembled；
Step 3, inner ring assemble bulge quantity：δ=δ 1+ δ 2-C (1)
Wherein δ assembles bulge quantity for inner ring, and δ 1 is the first indirectly measured quantities, and δ 2 is the second indirectly measured quantities, and C is outer ring width
Angle value；
Step 4, height block 6 is placed on the inner ring 3 of labelling in step 2, measuring instrumentss 7 are placed on into height block 6
On upper surface, apply measurement load on instrument for measuring bearings 8, read the value of the first directly measured quantities δ 3, try to achieve
δ 1=H- δ 3 (2)
Step 5, take the row another with outer ring 1 of remaining inner ring 5 in two inner rings and retainer 4 is assembled, then place
On instrument for measuring bearings 8；
On step 6, the inner ring 5 that height block 6 is placed in step 5, measuring instrumentss 7 are placed on into the upper end of height block 6
On face, apply measurement load on instrument for measuring bearings 8, read the value of the second directly measured quantities δ 4, try to achieve
δ 2=H- δ 4 (3)
Step 7, by δ 1=H- δ 3；δ 2=H- δ 4 are substituted in formula (1), are obtained
δ=2H-C- δ 3- δ 4 (4)
Bulge quantity is assembled so as to obtain inner ring.
, with cycle surface as zero point, the first directly measured quantities δ 3 and second in Fig. 2 and Fig. 3 is straight for the reading of measuring instrumentss 7
Connect measurement amount δ 4 and be negative value.
Specific embodiment two：As shown in Figures 1 to 3, the height block 6 in present embodiment step 4 and step 6 is cylinder
Body.So operate, the first indirectly measured quantities δ 1 can be obtained indirectly.Other steps are identical with specific embodiment one.
Specific embodiment three：As shown in Figures 1 to 3, the horizontal stroke that the height block 6 in present embodiment step 4 and step 6 is
Section is polygon.So operate, the second indirectly measured quantities δ 2 can be obtained indirectly.Other steps and one phase of specific embodiment
Together.
Claims (3)
1. the inner ring of a kind of pair of inner ring double-row angular contact bal bearing assembles Projection Measure method, it is characterised in that described pair of inner ring
It is as follows that the inner ring of double-row angular contact bal bearing assembles Projection Measure method and step：
Step one, before bearing completes trap, choose it is a set of completes double inner ring double-row angular contact bal bearings that end-play is assembled,
Measurement outer ring width value C；
Step 2, an inner ring (3) of one middle (center) bearing of selecting step are marked, by inner ring (3) and the corresponding string of the labelling
Outer ring and retainer (4) are placed on instrument for measuring bearings (8) after being assembled；
Step 3, inner ring assemble bulge quantity：δ=δ 1+ δ 2-C (1)
Wherein δ assembles bulge quantity for inner ring, and δ 1 is the first indirectly measured quantities, and δ 2 is the second indirectly measured quantities, and C is outer ring width
Value；
Step 4, height block (6) is placed on the inner ring (3) of labelling in step 2, measuring instrumentss (7) are placed on into height block
(6), on upper surface, apply measurement load on instrument for measuring bearings (8), read the value of the first directly measured quantities δ 3, try to achieve
δ 1=H- δ 3 (2)
Step 5, take the row another with outer ring (1) of remaining inner ring (5) in two inner rings and retainer (4) is assembled, Ran Houfang
Put on instrument for measuring bearings (8)；
On step 6, the inner ring (5) that height block (6) is placed in step 5, measuring instrumentss (7) are placed on into height block (6)
On upper surface, apply measurement load on instrument for measuring bearings (8), read the value of the second directly measured quantities δ 4, try to achieve
δ 2=H- δ 4 (3)
Step 7, by δ 1=H- δ 3；δ 2=H- δ 4 are substituted in formula (1), are obtained
δ=2H-C- δ 3- δ 4 (4)
Bulge quantity is assembled so as to obtain inner ring.
2. the inner ring of according to claim 1 pair of inner ring double-row angular contact bal bearing assembles Projection Measure method, and which is special
Levy and be：Height block (6) in step 4 and step 6 is cylinder.
3. the inner ring of according to claim 1 pair of inner ring double-row angular contact bal bearing assembles Projection Measure method, and which is special
Levy and be：The cross section that height block (6) in step 4 and step 6 is is polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161698.0A CN106595427A (en) | 2016-12-15 | 2016-12-15 | Inner ring assembling protrusion amount detection method for double inner ring double row angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161698.0A CN106595427A (en) | 2016-12-15 | 2016-12-15 | Inner ring assembling protrusion amount detection method for double inner ring double row angular contact ball bearing |
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| CN106595427A true CN106595427A (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611161698.0A Pending CN106595427A (en) | 2016-12-15 | 2016-12-15 | Inner ring assembling protrusion amount detection method for double inner ring double row angular contact ball bearing |
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| CN (1) | CN106595427A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144203A (en) * | 2017-06-30 | 2017-09-08 | 中国航发哈尔滨轴承有限公司 | A kind of measuring method for being precisely controlled bearing face depression value |
| CN107449386A (en) * | 2017-09-12 | 2017-12-08 | 上海联合滚动轴承有限公司 | A kind of verification method of double-row conical bearing symmetry |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144203A (en) * | 2017-06-30 | 2017-09-08 | 中国航发哈尔滨轴承有限公司 | A kind of measuring method for being precisely controlled bearing face depression value |
| CN107449386A (en) * | 2017-09-12 | 2017-12-08 | 上海联合滚动轴承有限公司 | A kind of verification method of double-row conical bearing symmetry |
| CN107449386B (en) * | 2017-09-12 | 2019-07-26 | 上海联合滚动轴承有限公司 | A kind of verification method of double row tapered roller bearing symmetry |
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Application publication date: 20170426 |
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