CN114770087A - Method for controlling coaxiality between components - Google Patents
Method for controlling coaxiality between components Download PDFInfo
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- CN114770087A CN114770087A CN202210298789.8A CN202210298789A CN114770087A CN 114770087 A CN114770087 A CN 114770087A CN 202210298789 A CN202210298789 A CN 202210298789A CN 114770087 A CN114770087 A CN 114770087A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
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Abstract
The invention relates to the technical field of coaxiality control, in particular to a method for controlling the coaxiality between components, which comprises the following steps: s1: placing the reference part and the alignment part on the same horizontal plane, and penetrating the reference hole and the alignment hole on the reference part and the alignment part by using a steel wire, wherein the steel wire is parallel to the axis of the reference hole; s2: calculating the difference of the disturbance degrees, and calculating the coaxiality error of the alignment hole through the difference of the disturbance degrees; s3: calculating the processing amount of the end face of the alignment hole according to the coaxiality error of the alignment hole; s4: and adjusting the alignment hole according to the calculated end face machining amount of the alignment hole, so that the alignment hole is attached to the reference hole to form a component. The invention has the advantages of ingenious design and simple method, calculates the end face processing amount in the vertical and plane through the coaxiality error of the alignment hole, and adjusts the position of the alignment hole by a scientific method so as to ensure that the alignment hole is perfectly attached to the reference hole, thereby effectively ensuring the assembly precision of components and parts and improving the running performance of equipment.
Description
Technical Field
The invention relates to the technical field, in particular to a method for controlling coaxiality between components.
Background
In the assembly and use processes of the components, the requirement of rotation flexibility needs to be met after the components are assembled, and during equipment installation, holes or slideways on the machine body are generally used as references to align the holes on the air cylinder or other parts connected with the machine body, so that the two meet the technical requirement of coaxiality.
At present, coaxiality is determined by adopting a coaxiality detection rod, but the method has low efficiency and large error and is not suitable for assembling high-precision equipment. Therefore, one skilled in the art provides a method for controlling the coaxiality between the components to solve the above problems.
Disclosure of Invention
The present invention is directed to a method for controlling coaxiality between components, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a method for controlling coaxiality between components comprises the following steps:
s1: placing the reference part and the alignment part on the same horizontal plane, and penetrating the reference hole and the alignment hole on the reference part and the alignment part by using a steel wire, wherein the steel wire is parallel to the axis of the reference hole;
s2: calculating the disturbance difference, and calculating the coaxiality error of the alignment hole according to the disturbance difference;
s3: calculating the processing amount of the end face of the alignment hole according to the coaxiality error of the alignment hole;
s4: and adjusting the alignment hole according to the calculated end face machining amount of the alignment hole, so that the alignment hole is attached to the reference hole to form a component.
As a further scheme of the invention: the calculation formula of the disturbance degree difference in S2 is as follows:
S1＝f1-f0
S2＝f2-f0
the coaxiality error calculation method of the alignment hole is as follows:
a1: the vertical sizes in the measuring reference hole and the alignment hole are respectively a1、b1、c1、d1、a2、b2、c2、d2；
Concentricity error in the vertical plane, formula: e.g. of the typeb1＝(a1-S1)-R1
eb2＝(a2-52)-R2
In the formula: e.g. of a cylinderbThe center of the hole is aligned to be higher for the regular mode, otherwise, the center of the hole is aligned to be lower;
a2: according to the formula
Calculating the tilt error when tanabWhen the central line of the alignment hole is 0, the central line of the reference hole corresponding to the central line of the alignment hole has no deviation, and when the central line of the alignment hole is tan abWhen the center line of the alignment hole is more than 0, the center line of the alignment hole rotates anticlockwise relative to the center line of the reference hole, and when tanabWhen the central line of the alignment hole rotates relative to the central line of the reference hole in the instantaneous direction of the needle when the central line of the alignment hole is less than 0
A3: the concentricity error formula in the horizontal plane is as follows:
the gradient error is:
as a further aspect of the invention: the end face machining amount formula in S3 is as follows:
wherein A = e2-e1；
Calculating the end face machining amount in the vertical plane and the horizontal plane respectively, and synthesizing into a total end face machining amount:
as a further aspect of the invention: in the formula BBAnd BTThe processing amounts of the vertical plane and the horizontal plane are respectively.
As a further aspect of the invention: the alignment hole adjustment comprises the following sub-steps:
in the vertical plane: the adjustment quantities of the left end and the right end of the alignment hole are respectively as follows: c1B＝-e1B，C2B＝-e2BRespectively increasing or decreasing the gaskets at the bottom of the alignment piece according to the size and the direction of the adjustment amount, and then fitting the alignment hole with the end face of the reference hole to meet the requirement of adjusting the coaxiality;
in the horizontal plane: the adjustment amount of the left end and the right end of the alignment hole is C1T＝-e1T，C2T＝-e2TAnd respectively moving the left end and the right end of the alignment hole forwards/backwards according to the direction of the adjustment amount, and fitting the end face of the alignment hole with the end face of the reference hole.
Compared with the prior art, the invention has the beneficial effects that: the invention has smart design and simple method, calculates the end face processing amount in the vertical and plane through the coaxiality error of the alignment hole, and adjusts the position of the alignment hole by a scientific method so as to ensure the alignment hole to be perfectly attached to the reference hole, thereby effectively ensuring the assembly precision of components and improving the running performance of equipment.
Drawings
FIG. 1 is a schematic diagram of coaxiality error measurement of a method for controlling coaxiality between components;
fig. 2 is a schematic view showing the measurement of the end face machining amount in a method for controlling the coaxiality between components.
Detailed Description
Referring to fig. 1-2, in an embodiment of the present invention, a method for controlling coaxiality between components includes the following steps:
s1: placing the reference part and the alignment part on the same horizontal plane, and penetrating the reference hole and the alignment hole on the reference part and the alignment part by using a steel wire, wherein the steel wire is parallel to the axis of the reference hole;
s2: calculating the disturbance difference, and calculating the coaxiality error of the alignment hole according to the disturbance difference;
s3: calculating the processing amount of the end face of the alignment hole according to the coaxiality error of the alignment hole;
s4: and adjusting the alignment hole according to the calculated end face machining amount of the alignment hole, so that the alignment hole is attached to the reference hole to form a component.
Further, the calculation formula of the disturbance degree difference in S2 is as follows:
S1＝f1-f0
S2＝f2-f0
the coaxiality error calculation method for the alignment hole comprises the following steps:
a1: the vertical sizes in the measuring reference hole and the alignment hole are respectively a1、b1、c1、d1、a2、b2、c2、d2；
Concentricity error in the vertical plane, formula: e.g. of a cylinderb1＝(a1-S1)-R1
eb2＝(a2-S2)-R2
In the formula: e.g. of the typebThe center of the hole is aligned to be higher for the regular mode, otherwise, the center of the hole is aligned to be lower;
a2: according to the formula
Calculating the tilt error when tanabWhen the value is 0, the center line of the alignment hole does not deviate from the center line of the reference hole, and when the value is tanabWhen the center line of the alignment hole is more than 0, the center line of the alignment hole rotates anticlockwise relative to the center line of the reference hole, and when tanabWhen the central line of the alignment hole rotates relative to the central line of the reference hole in the instantaneous direction of the needle when the central line of the alignment hole is less than 0
A3: the concentricity error in the horizontal plane is represented by the formula:
the gradient error is:
further, the end face machining amount formula in S3 is:
wherein A ═ e2-e1；
Calculating the end face machining amount in the vertical plane and the horizontal plane respectively, and synthesizing into a total end face machining amount:
further, in the formula BBAnd BTThe processing amounts of the vertical plane and the horizontal plane are respectively.
Further, the alignment hole adjustment comprises the following sub-steps:
in the vertical plane: the adjustment quantities of the left end and the right end of the alignment hole are respectively as follows: c1B＝-e1B，C2B＝-e2BRespectively increasing or decreasing the gaskets at the bottom of the alignment piece according to the size and the direction of the adjustment amount, and then fitting the alignment hole with the end face of the reference hole to meet the requirement of adjusting the coaxiality;
in the horizontal plane: the adjustment amount of the left end and the right end of the alignment hole is C1T＝-e1T，C2T＝-e2TAnd respectively moving the left end and the right end of the alignment hole forwards/backwards according to the guiding and the direction of the adjustment amount, and attaching the end face of the alignment hole to the end face of the reference hole.
In summary, the following steps: the invention has smart design and simple method, calculates the end face processing amount in the vertical and plane through the coaxiality error of the alignment hole, and adjusts the position of the alignment hole by a scientific method so as to ensure the alignment hole to be perfectly attached to the reference hole, thereby effectively ensuring the assembly precision of components and improving the running performance of equipment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (5)
1. A method for controlling coaxiality between components is characterized by comprising the following steps:
s1: placing the reference part and the alignment part on the same horizontal plane, and penetrating the reference hole and the alignment hole on the reference part and the alignment part by using a steel wire, wherein the steel wire is parallel to the axis of the reference hole;
s2: calculating the disturbance difference, and calculating the coaxiality error of the alignment hole according to the disturbance difference;
s3: calculating the processing amount of the end face of the alignment hole according to the coaxiality error of the alignment hole;
s4: and adjusting the alignment hole according to the calculated end face machining amount of the alignment hole, so that the alignment hole is attached to the reference hole to form a component.
2. The method for controlling coaxiality between parts according to claim 1, wherein the calculation formula of the difference in the degrees of disturbance in S2 is:
S1＝f1-f0
S2＝f2-f0
the coaxiality error calculation method for the alignment hole comprises the following steps:
a1: the vertical sizes in the measuring reference hole and the alignment hole are respectively a1、b1、c1、d1、a2、b2、c2、d2；
Concentricity error in the vertical plane, formula: e.g. of the typeb1＝(a1-S1)-R1
eb2＝(a2-S2)-R2
In the formula: e.g. of the typebAligning the center of the hole to be higher for the regular alignment, and conversely, aligning the center of the hole to be lower;
a2: according to the formula
Calculating the tilt error as tanbWhen the value is 0, the center line of the alignment hole does not deviate from the center line of the reference hole, and when the value is tanabWhen the center line of the alignment hole is more than 0, the center line of the alignment hole rotates anticlockwise relative to the center line of the reference hole, and when tanabWhen the angle is less than 0, the alignment hole center line rotates relative to the reference hole center line in the instantaneous needle direction
A3: the concentricity error formula in the horizontal plane is as follows:
the gradient error is:
3. the method for controlling coaxiality between parts according to claim 1, wherein the machining amount formula of the end faces in the step S3 is as follows:
wherein A is e2-e1；
Calculating the end face processing amount in the vertical plane and the horizontal plane respectively, and synthesizing into a total end face processing amount:
4. the method for controlling the coaxiality between the components as claimed in claim 3, wherein B isBAnd BTThe processing amount of the vertical plane and the horizontal plane respectively.
5. The method for controlling coaxiality between component parts according to claim 1, wherein the alignment hole adjustment includes the substeps of:
in the vertical plane: the adjustment amount of the left end and the right end of the alignment hole is respectively as follows: c1B＝-e1B，C2B＝-e2BRespectively increasing or decreasing the gaskets at the bottom of the alignment piece according to the size and the direction of the adjustment amount, and then fitting the alignment hole with the end face of the reference hole to meet the requirement of adjusting the coaxiality;
in the horizontal plane: the adjustment amount of the left end and the right end of the alignment hole is C1T＝-e1T，C2T＝-e2TAnd respectively moving the left end and the right end of the alignment hole forwards/backwards according to the guiding and the direction of the adjustment amount, and attaching the end face of the alignment hole to the end face of the reference hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210298789.8A CN114770087A (en) | 2022-03-23 | 2022-03-23 | Method for controlling coaxiality between components |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210298789.8A CN114770087A (en) | 2022-03-23 | 2022-03-23 | Method for controlling coaxiality between components |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2090861A1 (en) * | 2008-02-18 | 2009-08-19 | Mitutoyo Corporation | Method of measuring front and back surfaces of target object |
| CN102312927A (en) * | 2010-06-30 | 2012-01-11 | 中国华冶科工集团有限公司 | Aligning method of concentricity of coupling |
| CN105318815A (en) * | 2015-12-10 | 2016-02-10 | 湖南南方宇航高精传动有限公司 | Coaxiality alignment method |
| CN108817934A (en) * | 2018-04-28 | 2018-11-16 | 中冶建工集团有限公司 | A kind of long shaft coupler concentricity adjusting process |
-
2022
- 2022-03-23 CN CN202210298789.8A patent/CN114770087A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2090861A1 (en) * | 2008-02-18 | 2009-08-19 | Mitutoyo Corporation | Method of measuring front and back surfaces of target object |
| CN102312927A (en) * | 2010-06-30 | 2012-01-11 | 中国华冶科工集团有限公司 | Aligning method of concentricity of coupling |
| CN105318815A (en) * | 2015-12-10 | 2016-02-10 | 湖南南方宇航高精传动有限公司 | Coaxiality alignment method |
| CN108817934A (en) * | 2018-04-28 | 2018-11-16 | 中冶建工集团有限公司 | A kind of long shaft coupler concentricity adjusting process |
Non-Patent Citations (2)
| Title |
|---|
| 唐立夫: "压缩机的安装修理和维护", 31 May 1959, 石油工业出版社, pages: 82 - 88 * |
| 崔天生: "压缩机的安装维护与故障分析", 31 December 1993, 西安交通大学出版社, pages: 56 - 64 * |
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