CN112797936A - Method for quantitatively measuring spherical position of spherical bearing ring - Google Patents
Method for quantitatively measuring spherical position of spherical bearing ring Download PDFInfo
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- CN112797936A CN112797936A CN202110303129.XA CN202110303129A CN112797936A CN 112797936 A CN112797936 A CN 112797936A CN 202110303129 A CN202110303129 A CN 202110303129A CN 112797936 A CN112797936 A CN 112797936A
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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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- 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
- G01B21/10—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A method for quantitatively measuring the spherical position of a spherical bearing ring. The invention relates to a method for quantitatively measuring the spherical surface position of a spherical bearing ring. The invention provides a method for quantitatively measuring the spherical position of a spherical bearing ring, aiming at solving the problems of measurement errors and low consistency of the spherical position in the machining process in the measurement method. It comprises the following steps: the values given as required: calculating a first spherical diameter size X1 of the height of a measuring point by using the pythagorean theorem:
and (3) calculating a second spherical diameter size X2 of the height of the measuring point by using the pythagorean theorem:
calculating the diameter difference X of spherical symmetry; x ═ X1-X2 formula (3); machining the spherical bearing ring to make itThe work size is within the range of the diameter difference; the height of the measuring point is selected, whether the value measured by the instrument measuring and recording instrument is smaller than the diameter difference or not is judged, and whether the requirement of the spherical position is met or not is judged. The invention belongs to the field of grinding.
Description
Technical Field
The invention relates to the field of grinding, in particular to a method for quantitatively measuring the spherical surface position of a spherical bearing ring.
Background
In recent years, the numerical control grinding processing equipment is purchased by our company, the requirement on the consistency of the spherical position in the continuous processing process is improved, the spherical bearing ring produced in a ring workshop is originally processed by head swinging equipment, the spherical position is measured and visually measured by using a template light transmission method, the processing result can only be judged whether the spherical bearing ring is qualified, and the proficiency of an operator can generate a measurement error;
in summary, the measurement method of the prior art has the problems of measurement error and low consistency of spherical positions in the continuous processing process.
Disclosure of Invention
The invention provides a method for quantitatively measuring the spherical position of a spherical bearing ring, which aims to solve the problems of measurement errors and low consistency of the spherical position in the continuous processing process in the measurement method in the prior art.
The technical scheme of the invention is as follows:
a method for quantitatively measuring the spherical position of a spherical bearing ring comprises the following steps:
step one, calculating a first spherical diameter size X1 of a measuring point height on one side of a spherical bearing ring:
the values given according to the design requirements are first: calculating values of the amplitude height L1, the first height measurement L2, the first spherical surface size L3 and the first position tolerance L4, and calculating a first spherical surface diameter size X1 with the measuring point height by adopting the Pythagorean theorem:
step two, calculating a second spherical diameter size X2 of the height of the measuring point on the other side of the spherical bearing ring:
the values given first are as required: the amplitude height L1, the second height measurement L5, the second spherical surface size L6 and the second position tolerance L7 are calculated, and the second spherical surface diameter size X2 with the measuring point height is calculated by adopting the Pythagorean theorem:
step three, calculating the diameter difference X of spherical symmetry;
calculating a diameter difference X according to the first spherical diameter size X1 with the measuring point height and the second spherical diameter size X2 with the measuring point height obtained in the first step and the second step;
x ═ X1-X2; formula (3)
Step four, processing the spherical bearing ring:
processing the spherical bearing ring according to the diameter difference X calculated in the third step and the calculated diameter difference X, so that the processing size of the spherical bearing ring is within the diameter difference range;
step five, measuring the machined spherical bearing ring by using a diameter measuring method:
selecting the height of a measuring point between the maximum diameter and the end surface diameter of the part, measuring by using an instrument, directly displaying a symmetrical value of the spherical bearing position on the instrument to control the spherical position, recording whether the numerical value measured by the instrument is smaller than the diameter difference, judging whether the part meets the requirement of the spherical position,
if the value measured by the instrument is smaller than the diameter difference X calculated in the third step, the part meets the requirement of spherical position,
if the value measured by the instrument is larger than the diameter difference X calculated in the third step, the part does not meet the requirement of spherical position.
Compared with the prior art, the invention has the following effects:
the invention firstly calculates the diameter difference, then processes the spherical bearing ring to make the processing size of the spherical bearing ring fall within the diameter difference, then adopts the diameter measuring method to select the high measuring point on the spherical bearing ring, measures by using the measuring instrument of the special bearing instrument, directly displays the symmetrical value of the spherical position on the instrument to control the spherical position, improves the consistency of the spherical position and reduces the measuring error.
Drawings
FIG. 1 is a schematic representation of the use of the Pythagorean theorem in the present invention;
fig. 2 is a schematic diagram of the meter measurement of the present invention.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 2, the present embodiment will be described, and the method for quantitatively measuring the spherical surface position of the spherical bearing ring of the present embodiment includes the following steps:
step one, calculating a first spherical diameter size X1 of a measuring point height on one side of a spherical bearing ring:
the values given according to the design requirements are first: calculating values of the amplitude height L1, the first height measurement L2, the first spherical surface size L3 and the first position tolerance L4, and calculating a first spherical surface diameter size X1 with the measuring point height by adopting the Pythagorean theorem:
step two, calculating a second spherical diameter size X2 of the height of the measuring point on the other side of the spherical bearing ring:
the values given first are as required: the amplitude height L1, the second height measurement L5, the second spherical surface size L6 and the second position tolerance L7 are calculated, and the second spherical surface diameter size X2 with the measuring point height is calculated by adopting the Pythagorean theorem:
step three, calculating the diameter difference X of spherical symmetry;
calculating a diameter difference X according to the first spherical diameter size X1 with the measuring point height and the second spherical diameter size X2 with the measuring point height obtained in the first step and the second step;
x ═ X1-X2; formula (3)
Step four, processing the spherical bearing ring:
processing the spherical bearing ring according to the diameter difference X calculated in the third step and the calculated diameter difference X, so that the processing size of the spherical bearing ring is within the diameter difference range;
step five, measuring the machined spherical bearing ring by using a diameter measuring method:
selecting the height of a measuring point between the maximum diameter and the end surface diameter of the part, measuring by using the instrument 1, directly displaying the symmetrical value of the spherical bearing position on the instrument 1 to control the spherical position, recording whether the numerical value measured by the instrument 1 is smaller than the diameter difference, judging whether the part meets the requirement of the spherical position,
if the value measured by the instrument 1 is smaller than the diameter difference X calculated in the third step, the part meets the requirement of spherical position,
if the value measured by the meter 1 is greater than the diameter difference X calculated in step three, the part does not meet the requirement of spherical position.
The second embodiment is as follows: the first step of the present embodiment is described with reference to fig. 1 to 2, where the width is L1 and L1 is 9 mm. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 to 2, and in the first step of the present embodiment, the first spherical size is L3, and L3 is 19 mm. The others are the same as in the first or second embodiment.
The fourth concrete implementation mode: in the present embodiment, the first position tolerance L4 in the first step and the second position tolerance L7 in the second step of the present embodiment are equal, and L4 is equal to L7, which is described with reference to fig. 1 to 2. The others are the same as in the first or second or third embodiment.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 2, and the position dimensional tolerance in the first step of the present embodiment is L4, and L4 is 0.05 mm. The other embodiments are the same as the first or second or third or fourth embodiments.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1 to 2, and the meter 1 in step five of the present embodiment is a sector dial gauge.
Example 1
Taking the amplitude height L1 as 8mm, the first height measurement L2 as 7mm, the first spherical size L3 as 16mm and the first position tolerance L4 as 0.05 mm;
calculating a first spherical diameter size X1 of the height of the measuring point by using the pythagorean theorem;
substituting the above values into formula (1)
Calculating X1-15.2 mm;
taking the amplitude height L1 as 8mm, the second height L2 as 7mm, the second spherical size L3 as 14mm and the second position tolerance L4 as 0.05 mm;
calculating a second spherical diameter size X2 of the height of the measuring point by using the pythagorean theorem;
substituting the above values into formula (2)
Calculating X2-13 mm;
calculating the diameter difference X of spherical symmetry;
x ═ X1-X2; formula (3)
Substituting the X1 and X2 values into equation (3)
Calculating X is 3.2 mm;
if the value measured by the meter 1 is less than the calculated diameter difference X of 3.2mm, the part meets the spherical position requirement,
if the value measured by the meter 1 is greater than the calculated diameter difference X of 3.2mm, the part does not meet the spherical position requirement.
The present invention has been described in terms of the preferred embodiments, but it is not limited thereto, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the technical scope of the present invention.
Claims (6)
1. A method for quantitatively measuring the spherical position of a spherical bearing ring is characterized by comprising the following steps: it comprises the following steps:
step one, calculating a first spherical diameter size X1 of a measuring point height on one side of a spherical bearing ring:
the values given according to the design requirements are first: calculating values of the amplitude height L1, the first height measurement L2, the first spherical surface size L3 and the first position tolerance L4, and calculating a first spherical surface diameter size X1 with the measuring point height by adopting the Pythagorean theorem:
step two, calculating a second spherical diameter size X2 of the height of the measuring point on the other side of the spherical bearing ring:
the values given first are as required: the amplitude height L1, the second height measurement L5, the second spherical surface size L6 and the second position tolerance L7 are calculated, and the second spherical surface diameter size X2 with the measuring point height is calculated by adopting the Pythagorean theorem:
step three, calculating the diameter difference X of spherical symmetry;
calculating a diameter difference X according to the first spherical diameter size X1 with the measuring point height and the second spherical diameter size X2 with the measuring point height obtained in the first step and the second step;
x ═ X1-X2; formula (3)
Step four, processing the spherical bearing ring:
processing the spherical bearing ring according to the diameter difference X calculated in the third step and the calculated diameter difference X, so that the processing size of the spherical bearing ring is within the diameter difference range;
step five, measuring the machined spherical bearing ring by using a diameter measuring method:
selecting the height of a measuring point between the maximum diameter and the end surface diameter of the part, measuring by using an instrument (1), directly displaying a symmetrical value of the spherical bearing position on the instrument (1) to control the spherical position, recording whether the numerical value measured by the instrument (1) is smaller than the diameter difference, judging whether the part meets the requirement of the spherical position,
if the value measured by the instrument (1) is less than the diameter difference X calculated in the third step, the part meets the requirement of spherical position,
if the value measured by the instrument (1) is larger than the diameter difference X calculated in the third step, the part does not meet the requirement of spherical position.
2. The method for quantitatively measuring the spherical position of the spherical bearing ring according to claim 1, wherein the method comprises the following steps: in the first step, the amplitude is L1, and L1 is 9 mm.
3. The method for quantitatively measuring the spherical position of the spherical bearing ring according to claim 1, wherein the method comprises the following steps: the first sphere size in step one was L3, L3 ═ 19 mm.
4. The method for quantitatively measuring the spherical position of the spherical bearing ring according to claim 1, wherein the method comprises the following steps: the first position tolerance L4 in step one is equal to the second position tolerance L7 in step two, and L4 is L7.
5. The method for quantitatively measuring the spherical position of the spherical bearing ring according to claim 1, wherein the method comprises the following steps: the position dimensional tolerance in the first step is L4, and L4 is 0.05 mm.
6. The method for quantitatively measuring the spherical position of the spherical bearing ring according to claim 1, wherein the method comprises the following steps: and the instrument (1) in the fifth step is a sector dial indicator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110303129.XA CN112797936A (en) | 2021-03-22 | 2021-03-22 | Method for quantitatively measuring spherical position of spherical bearing ring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110303129.XA CN112797936A (en) | 2021-03-22 | 2021-03-22 | Method for quantitatively measuring spherical position of spherical bearing ring |
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| CN202110303129.XA Withdrawn CN112797936A (en) | 2021-03-22 | 2021-03-22 | Method for quantitatively measuring spherical position of spherical bearing ring |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1141378A (en) * | 1966-11-10 | 1969-01-29 | Fafnir Bearing Co | Improvements in or relating to the production of bearing rings |
| US20090259433A1 (en) * | 2006-02-27 | 2009-10-15 | Staubli Faverges | Method and System for Measuring a Diameter, and Assembly Line Employing This System |
| CN104019727A (en) * | 2014-06-23 | 2014-09-03 | 奥新（厦门）轴承有限公司 | Method for measuring spherical outside surface of bearing |
| CN109029208A (en) * | 2018-08-20 | 2018-12-18 | 中国航发哈尔滨轴承有限公司 | Taper roller end face radius measuring device and method |
| CN211876900U (en) * | 2020-05-18 | 2020-11-06 | 苏州普拉米精密机械有限公司 | Bearing spherical surface detection device |
-
2021
- 2021-03-22 CN CN202110303129.XA patent/CN112797936A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1141378A (en) * | 1966-11-10 | 1969-01-29 | Fafnir Bearing Co | Improvements in or relating to the production of bearing rings |
| US20090259433A1 (en) * | 2006-02-27 | 2009-10-15 | Staubli Faverges | Method and System for Measuring a Diameter, and Assembly Line Employing This System |
| CN104019727A (en) * | 2014-06-23 | 2014-09-03 | 奥新（厦门）轴承有限公司 | Method for measuring spherical outside surface of bearing |
| CN109029208A (en) * | 2018-08-20 | 2018-12-18 | 中国航发哈尔滨轴承有限公司 | Taper roller end face radius measuring device and method |
| CN211876900U (en) * | 2020-05-18 | 2020-11-06 | 苏州普拉米精密机械有限公司 | Bearing spherical surface detection device |
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Application publication date: 20210514 |
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