CN108161045A - A kind of method using facing head processing stator component of steam turbine nozzle - Google Patents
A kind of method using facing head processing stator component of steam turbine nozzle Download PDFInfo
- Publication number
- CN108161045A CN108161045A CN201711194190.5A CN201711194190A CN108161045A CN 108161045 A CN108161045 A CN 108161045A CN 201711194190 A CN201711194190 A CN 201711194190A CN 108161045 A CN108161045 A CN 108161045A
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- radius
- steam turbine
- machine tool
- chief axis
- stator component
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
Abstract
A kind of method using facing head processing stator component of steam turbine nozzle is related to a kind of method of processing tube orifice.Spout diameter dimension overproof when the present invention is in order to solve the problems, such as that facing head processes stator component of steam turbine nozzle.Method：Diameter A processes the endoporus of stator component of steam turbine nozzle as illustrated, determines endoporus circularity, if maximum radius C is less than diagram radius A, continues to be machined to maximum radius C equal to diagram radius A；The difference L of maximum radius C and least radius D is measured by machine tool chief axis frame amesdial, determines machine tool chief axis maximum offset as L, carries out the interior hole machined of stator component of steam turbine nozzle after machine tool chief axis offset according to the diagram radius A in design drawing respectively.The present invention carries out the analysis of causes by the dimension overproof problem to machining state, is modified on the basis of the oval endoporus of machined dimension overproof, in the range of overproof nozzle amendment to design tolerance.
Description
Technical field
The present invention relates to a kind of methods of processing tube orifice.
Background technology
When facing head processes stator component of steam turbine nozzle, due to the mechanical wear of lathe and facing head attachment connecting portion
The gap for causing some direction is excessive, makes the spout diameter dimension overproof after processing, forms oval endoporus, the nozzle after processing
Internal diameter size is not inconsistent with design drawing；The spout diameter dimension overproof that the facing head abrasion of lathe will also result in after processing simultaneously is asked
Topic.
Invention content
Spout diameter dimension overproof when the present invention is in order to solve the problems, such as that facing head processes stator component of steam turbine nozzle, carries
Go out a kind of method using facing head processing stator component of steam turbine nozzle.
The present invention is carried out according to the following steps using the method for facing head processing stator component of steam turbine nozzle：
Using facing head according to the endoporus of the diagram diameter A processing stator component of steam turbine nozzles in design drawing, pass through
Machine tool chief axis frame amesdial determines interior maximum radius C and least radius D, if maximum radius C is less than diagram radius A, after
The continuous maximum radius C that is machined to is equal to diagram radius A；Measure maximum radius C's and least radius D by machine tool chief axis frame amesdial
Difference L determines machine tool chief axis maximum offset as L, and adjustment machine tool chief axis is centered on the midpoint of least radius D, edge most smaller part
Diameter D deviates L respectively to both sides, quiet according to the diagram radius A progress steam turbines in design drawing respectively after whole machine tool chief axis offset
The interior hole machined of subassembly nozzle, that is, complete.
Wherein, due to the endoporus of stator component of steam turbine nozzle be steam flow channel, to circularity and circle bounce it is no it is special will
It asks, therefore influence of the processing method of the present invention to circularity can be neglected；
The present invention has following advantageous effect：
The present invention carries out the analysis of causes by the dimension overproof problem to machining state, for since nozzle wall is thin and manages
Mouth is long to size, and then nozzle distortion amount can be caused different, makes the spout diameter dimension overproof after processing, is formed in ellipse
Not the problem of spout diameter size behind hole and processing is not inconsistent with design drawing, in the ellipse of machined dimension overproof
Be modified on the basis of hole, present invention adjustment machine tool chief axis centered on the midpoint of least radius D, along least radius D to both sides
After deviating L respectively, the interior hole machined of stator component of steam turbine nozzle is carried out according to the diagram radius A in design drawing respectively, it will
In the range of overproof nozzle amendment to design tolerance, therefore the method for the present invention effect in actual processing is fine.
Description of the drawings：
Fig. 1 is there are the overproof nozzle sizes schematic diagram of processing dimension in embodiment 1, and A is the diagram half in design drawing
Diameter, C are the maximum radius of the oval endoporus after processing, and D is the least radius of the oval endoporus after processing, and M is design drawing
The upper difference of spout diameter in paper, N are the lower difference of spout diameter in design drawing, and 1 is oval endoporus；
Fig. 2 is the endoporus schematic diagram of the nozzle after the method for the present invention is processed in embodiment 1, and 4 be oval aperture overflow
Be removed part, 2 and 4 for machine tool chief axis centered on the midpoint of least radius D, deviate L respectively to both sides along least radius D after
According to removed part after hole machined in the diagram radius A progress in design drawing.
Specific embodiment：
Technical solution of the present invention is not limited to act specific embodiment set forth below, further includes between each specific embodiment
Arbitrary reasonable combination.
Specific embodiment one：Present embodiment is using the method for facing head processing stator component of steam turbine nozzle by following
Step carries out；
Using facing head according to the endoporus of the diagram diameter A processing stator component of steam turbine nozzles in design drawing, pass through
Machine tool chief axis frame amesdial determines the maximum radius C of endoporus endoporus and least radius D, if maximum radius C is less than diagram radius
A then continues to be machined to maximum radius C equal to diagram radius A；Maximum radius C and minimum are measured by machine tool chief axis frame amesdial
The difference L of radius D determines machine tool chief axis maximum offset as L, and adjustment machine tool chief axis is centered on the midpoint of least radius D, edge
Least radius D deviates L respectively to both sides, and vapour is carried out according to the diagram radius A in design drawing respectively after whole machine tool chief axis offset
The interior hole machined of turbine stator part nozzle, that is, complete.
Present embodiment has following advantageous effect：
Present embodiment by carrying out the analysis of causes to the dimension overproof problem of machining state, for due to nozzle wall it is thin simultaneously
And nozzle is long to size, and then nozzle distortion amount can be caused different, makes the spout diameter dimension overproof after processing, is formed oval
Not the problem of spout diameter size after shape endoporus and processing is not inconsistent with design drawing, in the ellipse of machined dimension overproof
Be modified on the basis of shape endoporus, present embodiment adjust machine tool chief axis centered on the midpoint of least radius D, along least radius
After D deviates L respectively to both sides, the endoporus of stator component of steam turbine nozzle is carried out according to the diagram radius A in design drawing respectively
Processing, in the range of overproof nozzle amendment to design tolerance, therefore present embodiment method effect in actual processing
Very well.
Embodiment 1：
The present embodiment is carried out according to the following steps using the method for facing head processing stator component of steam turbine nozzle；
Using facing head according to the endoporus of the diagram diameter A processing stator component of steam turbine nozzles in design drawing, pass through
Machine tool chief axis frame amesdial determines the maximum radius C of endoporus and least radius D, if maximum radius C is less than diagram radius A,
Continue to be machined to maximum radius C equal to diagram radius A；Maximum radius C and least radius D is measured by machine tool chief axis frame amesdial
Difference L, determine machine tool chief axis maximum offset as L, adjustment machine tool chief axis centered on the midpoint of least radius D, along minimum
Radius D deviates L respectively to both sides, and steam turbine is carried out according to the diagram radius A in design drawing respectively after whole machine tool chief axis offset
The interior hole machined of stator part nozzle, that is, complete.
Fig. 1 is there are the overproof nozzle sizes schematic diagram of processing dimension in embodiment 1, and A is the diagram half in design drawing
Diameter, C are the maximum radius of the oval endoporus after processing, and D is the least radius of the oval endoporus after processing, and M is design drawing
The upper difference of spout diameter in paper, N are the lower difference of spout diameter in design drawing, and 1 is oval endoporus；
Fig. 2 is the endoporus schematic diagram of the nozzle after the method for the present invention is processed in embodiment 1, and 4 be oval aperture overflow
Be removed part, 2 and 4 for machine tool chief axis centered on the midpoint of least radius D, deviate L respectively to both sides along least radius D after
According to removed part after hole machined in the diagram radius A progress in design drawing.
Wherein, in Fig. 1 and Fig. 2 oval endoporus center be not into the machine tool chief axis center of line displacement, after offset,
The endoporus for the nozzle that the present embodiment is processed has been fully entered in the range of design tolerance, realizes amendment.
Claims (1)
- A kind of 1. method using facing head processing stator component of steam turbine nozzle, it is characterised in that：This method is according to the following steps It carries out；Using facing head according to the endoporus of the diagram diameter A processing stator component of steam turbine nozzles in design drawing, pass through lathe Main shaft frame amesdial determines the maximum radius C of endoporus and least radius D, if maximum radius C is less than diagram radius A, continues It is machined to maximum radius C and is equal to diagram radius A；The difference of maximum radius C and least radius D is measured by machine tool chief axis frame amesdial Value L determines machine tool chief axis maximum offset as L, adjustment machine tool chief axis centered on the midpoint of least radius D, along least radius D L is deviated respectively to both sides, and steam turbine stator portion is carried out according to the diagram radius A in design drawing respectively after whole machine tool chief axis offset The interior hole machined of part nozzle, that is, complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194190.5A CN108161045A (en) | 2017-11-24 | 2017-11-24 | A kind of method using facing head processing stator component of steam turbine nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194190.5A CN108161045A (en) | 2017-11-24 | 2017-11-24 | A kind of method using facing head processing stator component of steam turbine nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN108161045A true CN108161045A (en) | 2018-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711194190.5A Pending CN108161045A (en) | 2017-11-24 | 2017-11-24 | A kind of method using facing head processing stator component of steam turbine nozzle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453585A (en) * | 2020-12-12 | 2021-03-09 | 江西洪都航空工业集团有限责任公司 | Bearing hole groove machining method |
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|---|---|---|---|---|
| US4260300A (en) * | 1978-05-03 | 1981-04-07 | Sandvik Aktiebolag | Methods and apparatus for forming holes in workpieces |
| CN201279698Y (en) * | 2008-09-17 | 2009-07-29 | 济南二机床集团有限公司 | Numerical control flat capstan |
| CN101804561A (en) * | 2010-03-17 | 2010-08-18 | 烟台台海玛努尔核电设备有限公司 | Method for machining variable-diameter inner hole of 50-degree casting elbow |
| CN101941092A (en) * | 2010-09-16 | 2011-01-12 | 无锡华光工业锅炉有限公司 | Elliptical hole machining device |
| CN105033284A (en) * | 2015-06-25 | 2015-11-11 | 江苏恒力组合机床有限公司 | Method for synchronously machining flange plates at two ends of rear axle housing welding assembly |
| CN106141247A (en) * | 2015-04-13 | 2016-11-23 | 东风活塞轴瓦有限公司 | Steel pistons noncircular pin hole special processing equipment |
-
2017
- 2017-11-24 CN CN201711194190.5A patent/CN108161045A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260300A (en) * | 1978-05-03 | 1981-04-07 | Sandvik Aktiebolag | Methods and apparatus for forming holes in workpieces |
| CN201279698Y (en) * | 2008-09-17 | 2009-07-29 | 济南二机床集团有限公司 | Numerical control flat capstan |
| CN101804561A (en) * | 2010-03-17 | 2010-08-18 | 烟台台海玛努尔核电设备有限公司 | Method for machining variable-diameter inner hole of 50-degree casting elbow |
| CN101941092A (en) * | 2010-09-16 | 2011-01-12 | 无锡华光工业锅炉有限公司 | Elliptical hole machining device |
| CN106141247A (en) * | 2015-04-13 | 2016-11-23 | 东风活塞轴瓦有限公司 | Steel pistons noncircular pin hole special processing equipment |
| CN105033284A (en) * | 2015-06-25 | 2015-11-11 | 江苏恒力组合机床有限公司 | Method for synchronously machining flange plates at two ends of rear axle housing welding assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453585A (en) * | 2020-12-12 | 2021-03-09 | 江西洪都航空工业集团有限责任公司 | Bearing hole groove machining method |
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Application publication date: 20180615 |