CN107398574A - A kind of air compressor thin-walled fuselage anti-deformation processing technology - Google Patents
A kind of air compressor thin-walled fuselage anti-deformation processing technology Download PDFInfo
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- CN107398574A CN107398574A CN201710750961.8A CN201710750961A CN107398574A CN 107398574 A CN107398574 A CN 107398574A CN 201710750961 A CN201710750961 A CN 201710750961A CN 107398574 A CN107398574 A CN 107398574A
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- fuselage
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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
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Abstract
A kind of air compressor thin-walled fuselage anti-deformation processing technology, a kind of described air compressor machine thin-walled fuselage anti-deformation processing technology are：Design specialized frock, when effectively avoiding processing specific position, the phenomenon of benchmark play, frock can play good positioning and supporting role, while strict control avoids machining deformation per the knife amount of feeding；Fuselage processing technology is improved, from new-type lengthening boring cutter, cutter body is handled by damping, fixed main shaft elongation, by mobile work platform, is completed coaxial aperture time processing, is ensured the machining accuracy of fuselage coaxial aperture；Processing technology is refined, SD fuselage is loaded mode and processing dimension, improves the utilization rate of technique, effectively instructs operator to work, and the phenomenon that reduces the processing error of operator and will not process occurs；Change new equipment.The invented technology is innovated, strict technological requirement, controls production process, the machining accuracy of air compressor fuselage thin-wall box body class part is improved, applied in air compressor technical field.
Description
Technical field
The present invention relates to a kind of air compressor thin-walled fuselage anti-deformation processing technology in air compressor technical field,
It is particularly applied to air compressor thin-wall box body class part boring processing, it is important to prevent machining deformation and ensure that casing is coaxial
Degree requires.
Background technology
At present, air compressor carries out extensive use in closed in space, and air compressor parts are more, assembling process
Cumbersome, each part fit dimension and follow-up test require that index request is strict, and air compressor machine fuselage is the crucial portion of whole unit
Part, its processing precision direct influence is subsequently assembled and result of the test.Air compressor machine fuselage main body is casting, and its stage casing is selected with fuselage
Welding manner connects, fuselage average wall thickness 10mm, and centre bore is at a distance of 650mm, maximum diameter of hole 450mm, minimum-value aperture at three
130mm, axiality requirement is within 0.06mm.Old-fashioned boring machine is used during processing fuselage in the past, tooling fixture is equipped with deficiency, positioning
Low precision, cutter for same can not meet that centre bore processes at one time, and cause fuselage deformation to be present after processing, form and position tolerance does not conform to
The various problems such as lattice are, it is necessary to repeatedly reprocess.The boring processing for thin-wall box body class parts such as air compressor fuselages is needed to compile
Make new technique.Therefore, it is new class anxious to be resolved to develop a kind of air compressor thin-walled fuselage anti-deformation processing technology
Topic.
The content of the invention
It is an object of the invention to provide a kind of air compressor thin-walled fuselage anti-deformation processing technology, the invention ensures empty
The boring machining accuracy of air compressor fuselage thin-wall box body class part, the establishment of process program can effectively instruct operator to carry out boring
Work is cut, technique content clear and definite, process program is advanced effectively, by verifying the fuselage processed with the process program newly worked out
Crudy, time processing qualification rate height can be ensured.
The object of the present invention is achieved like this：A kind of air compressor thin-walled fuselage anti-deformation processing technology, it is described
A kind of air compressor machine thin-walled fuselage anti-deformation processing technology is：
（1）Design specialized is loaded alignment tool, and because fuselage is thin-wall part, the box portion of its fuselage is to weld again with cylindrical portions
Structure, in some dimension process are processed, it is not easy to carry out the centering that is loaded, the phenomenon deformed often occurs；For fuselage processing
Particularity, the special alignment tool that is loaded of fuselage is designed, with this frock, when effectively avoiding processing specific position, benchmark play
Phenomenon, the special alignment tool that is loaded can play good positioning and supporting role, while strict control avoids adding per the knife amount of feeding
Work deforms；
（2）Fuselage processing technology is improved, for the requirement of fuselage many places axiality（Especially distant coaxial aperture）, Yuan Youjia
Work scheme is that boring table rotates 180 °, is processed, and worktable rotary will produce error using behind hole at finishing one,
Cause machining benchmark to change, cause axiality not meet drawing requirement；From new-type lengthening boring cutter, cutter body is by damping
Reason, fixed main shaft elongation, by mobile work platform, coaxial aperture time processing is completed, ensure the processing essence of fuselage coaxial aperture
Degree；In new technology, increase stress-removal and weathering two procedures after coarse-fine processing, when avoiding fuselage following process, occur
Deformation；
（3）Processing technology is refined, original fuselage manufacture process programme is relatively rough, and technique is refined, specifies per pass
On the premise of process processing request, increase accompanying drawing in operation card, SD fuselage is loaded mode and processing dimension, improves technique
Utilization rate, effectively operator is instructed to work, the phenomenon that reduces the processing error of operator and will not process occurs；
（4）New equipment is changed, original with equipment is optical jig boring machine, and ageing equipment, precision is very poor, is often gone out during equipment operation
It is now abnormal；Use the horizontal boring-milling center of high accuracy instead, ensure fuselage crudy indirectly；
A kind of operation principle of described air compressor thin-walled fuselage anti-deformation processing technology is to ensure workpiece process
Benchmark, the effective special alignment tool that is loaded reasonable in design ensure the positioning datum of workpiece；From suitable process equipment and
Cutter, ensure the machining benchmark of workpiece；The centering special tooling that is loaded is designed, good positioning and supporting role can be played, simultaneously
Strict control avoids machining deformation per the knife amount of feeding；Fuselage processing technology is improved, by mobile work platform, completes coaxial aperture one
Secondary processing, ensure the machining accuracy of fuselage coaxial aperture；Processing technology is refined, SD fuselage is loaded mode and processing dimension, improves
The utilization rate of technique；New equipment is changed, the horizontal boring-milling center of high accuracy is used instead, ensures fuselage crudy indirectly.
The present invention is characterized by its structure and working principle.
A kind of air compressor thin-walled fuselage anti-deformation processing technology compared with prior art, has process innovation, abandoned
Traditional technics institution thinking, develops new-type frock and cutter apparatus, with new-type strict technological requirement, controls production process,
Improve the machining accuracy of air compressor fuselage thin-wall box body class part, production efficiently, process control, precision it is up to standard, symbol completely
The advantages that closing the requirement of air compressor machine unit design drawing, will be widely used in air compressor technical field.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is described in detail.
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is Fig. 1 B direction views.
Fig. 3 is Fig. 1 C direction views.
Fig. 4 is Fig. 1 D direction views.
Fig. 5 is the structural representation of the special alignment tool that is loaded of the thin-walled fuselage of the embodiment of the present invention one.
Fig. 6 is the stereogram of the embodiment of the present invention one.
Fig. 7 is the structural representation of the thin-walled fuselage workpiece of the embodiment of the present invention two.
Embodiment
Embodiment one
Novel electric High-Pressure Compressor fuselage is processed using a kind of air compressor thin-walled fuselage anti-deformation processing technology：
（1）Design specialized is loaded alignment tool, and because fuselage is thin-wall part, the box portion of its fuselage is to weld again with cylindrical portions
Structure, in some dimension process are processed, it is not easy to carry out the centering that is loaded, the phenomenon deformed often occurs；For fuselage processing
Particularity, the special alignment tool that is loaded of fuselage is designed, with this frock, when effectively avoiding processing specific position, benchmark play
Phenomenon, the special alignment tool that is loaded can play good positioning and supporting role, while strict control avoids adding per the knife amount of feeding
Work deforms；
（2）Fuselage processing technology is improved, for the requirement of fuselage many places axiality（Especially distant coaxial aperture）, Yuan Youjia
Work scheme is that boring table rotates 180 °, is processed, and worktable rotary will produce error using behind hole at finishing one,
Cause machining benchmark to change, cause axiality not meet drawing requirement；From new-type lengthening boring cutter, cutter body is by damping
Reason, fixed main shaft elongation, by mobile work platform, coaxial aperture time processing is completed, ensure the processing essence of fuselage coaxial aperture
Degree；In new technology, increase stress-removal and weathering two procedures after coarse-fine processing, when avoiding fuselage following process, occur
Deformation；
Air compressor machine fuselage main body is casting, and the box portion of its fuselage is connected with cylindrical portions from welding manner, and fuselage is average
Wall thickness 10mm, at three centre bore at a distance of 650mm, maximum diameter of hole 450mm, minimum-value aperture 130mm, axiality requirement 0.06mm with
It is interior.Old-fashioned boring machine is used during processing fuselage in the past, tooling fixture is equipped with deficiency, and positioning precision is poor, during cutter for same can not meet
Heart hole processes at one time, and causes fuselage to exist after processing and deforms, the various problems such as form and position tolerance is unqualified are, it is necessary to repeatedly return
Repair.The fuselage roughing technique now used is schematically as follows：
Referring to the drawings 2, accompanying drawing 3：
From new-type lengthening boring cutter, cutter body is handled by damping, fixed main shaft elongation：
（A）The special alignment tool that is loaded, is sitting on boring table, is compressed using pressing plate on the end faces of φ 230H7+0.05 0, spiral shell
Bolt fastens, and by centering of having rule, heavy boring C is shown in flat to baseplane F420 × 320.
（B）Boring foot plane E.
（C）Drill hole 18- Φ 10,6-M6.
Referring to the drawings 4, accompanying drawing 5：
C is sitting on boring table to baseplane F, by line centering, is compressed using pressing plate, bolt fastening.
（A）The end faces of heavy boring Φ 550, made allowance 2.5-3mm.
（B）Rough bore Φ 230H7+0.05 0 and end face, equal allowance 2.5-3mm.
（C）Rough bore Φ 130H7+0.04 0, allowance 2.5-3mm.
（D）33 ° of conical surfaces of heavy boring and end face.
（E）Heavy boring inner stopper Φ 450H7+0.06 0, allowance 2.5-3mm.
Will be above-mentioned（A）、（B）、（C）、（D）、（E）Step clamped one time is processed, it is ensured that the processing accuracy of form and position.
（3）Processing technology is refined, original fuselage manufacture process programme is relatively rough, technique is refined, clearly
On the premise of per procedure processing request, increase accompanying drawing in operation card, SD fuselage is loaded mode and processing dimension, improves work
The utilization rate of skill, effectively instructs operator to work, and the phenomenon that reduces the processing error of operator and will not process occurs；
（4）New equipment is changed, original with equipment is optical jig boring machine, and ageing equipment, precision is very poor, is often gone out during equipment operation
It is now abnormal；Use the horizontal boring-milling center of high accuracy instead, ensure fuselage crudy indirectly.
Embodiment two
Small displacement driven high voltage air compressor fuselage is processed using a kind of air compressor thin-walled fuselage anti-deformation processing technology：
（1）Design specialized is loaded alignment tool, and because fuselage is thin-wall part, the box portion of its fuselage is to weld again with cylindrical portions
Structure, in some dimension process are processed, it is not easy to carry out the centering that is loaded, the phenomenon deformed often occurs；For fuselage processing
Particularity, the special alignment tool that is loaded of fuselage is designed, with this frock, when effectively avoiding processing specific position, benchmark play
Phenomenon, the special alignment tool that is loaded can play good positioning and supporting role, while strict control avoids adding per the knife amount of feeding
Work deforms；
（2）Fuselage processing technology is improved, for the requirement of fuselage many places axiality（Especially distant coaxial aperture）, Yuan Youjia
Work scheme is that boring table rotates 180 °, is processed, and worktable rotary will produce error using behind hole at finishing one,
Cause machining benchmark to change, cause axiality not meet drawing requirement；From new-type lengthening boring cutter, cutter body is by damping
Reason, fixed main shaft elongation, by mobile work platform, coaxial aperture time processing is completed, ensure the processing essence of fuselage coaxial aperture
Degree；In new technology, increase stress-removal and weathering two procedures after coarse-fine processing, when avoiding fuselage following process, occur
Deformation；
In the past during processing small displacement form air compressor machine fuselage, its coaxial aperture is at a distance of 598mm, maximum diameter of hole 450mm, minimum-value aperture
130mm, axiality requirement 0.025, actual processing result in 0.05-0.1, meanwhile, because of unit exception, ditch occurs in plane machining
Trace situation, using old equipment time processing qualification rate in 30 below ﹪.The fuselage roughing technique now used is schematically as follows：
Referring to the drawings 7：
From new-type lengthening boring cutter, cutter body is handled by damping, fixed main shaft elongation：
（A）φ 450H7+0.05 0 are leveled up end face, are sitting on boring table, are compressed using pressing plate, bolt fastening, by having rule
Centering, heavy boring baseplane 420 × 320 are seen flat.
（B）Drill hole 18- Φ 10,6-M6.
Baseplane is sitting on boring table, by line centering, is compressed using pressing plate, bolt fastening.
（A）The end faces of heavy boring Φ 450, made allowance 2.5-3mm.
（B）Rough bore Φ 230H7+0.05 0 and end face, equal allowance 2.5-3mm.
（C）Rough bore Φ 130H7+0.04 0, allowance 2.5-3mm.
（D）33 ° of conical surfaces of heavy boring and end face.
（E）Heavy boring inner stopper Φ 450H7+0.06 0, allowance 2.5-3mm.
Will be above-mentioned（A）、（B）、（C）、（D）、（E）Step clamped one time is processed, it is ensured that the processing accuracy of form and position.
（3）Processing technology is refined, original fuselage manufacture process programme is relatively rough, technique is refined, clearly
On the premise of per procedure processing request, increase accompanying drawing in operation card, SD fuselage is loaded mode and processing dimension, improves work
The utilization rate of skill, effectively instructs operator to work, and the phenomenon that reduces the processing error of operator and will not process occurs；
（4）New equipment is changed, original with equipment is optical jig boring machine, and ageing equipment, precision is very poor, is often gone out during equipment operation
It is now abnormal；Use the horizontal boring-milling center of high accuracy instead, ensure fuselage crudy indirectly.
Claims (2)
- A kind of 1. air compressor thin-walled fuselage anti-deformation processing technology, it is characterised in that：A kind of described air compressor machine Thin-walled fuselage anti-deformation processing technology is：（1）Design specialized is loaded alignment tool, and because fuselage is thin-wall part, the box portion of its fuselage is to weld again with cylindrical portions Structure, in some dimension process are processed, it is not easy to carry out the centering that is loaded, the phenomenon deformed often occurs；For fuselage processing Particularity, the special alignment tool that is loaded of fuselage is designed, with this frock, when effectively avoiding processing specific position, benchmark play Phenomenon, the special alignment tool that is loaded can play good positioning and supporting role, while strict control avoids adding per the knife amount of feeding Work deforms；（2）Fuselage processing technology is improved, for the requirement of fuselage many places axiality（Especially distant coaxial aperture）, Yuan Youjia Work scheme is that boring table rotates 180 °, is processed, and worktable rotary will produce error using behind hole at finishing one, Cause machining benchmark to change, cause axiality not meet drawing requirement；From new-type lengthening boring cutter, cutter body is by damping Reason, fixed main shaft elongation, by mobile work platform, coaxial aperture time processing is completed, ensure the processing essence of fuselage coaxial aperture Degree；In new technology, increase stress-removal and weathering two procedures after coarse-fine processing, when avoiding fuselage following process, occur Deformation；（3）Processing technology is refined, original fuselage manufacture process programme is relatively rough, and technique is refined, specifies per pass On the premise of process processing request, increase accompanying drawing in operation card, SD fuselage is loaded mode and processing dimension, improves technique Utilization rate, effectively operator is instructed to work, the phenomenon that reduces the processing error of operator and will not process occurs；（4）New equipment is changed, original with equipment is optical jig boring machine, and ageing equipment, precision is very poor, is often gone out during equipment operation It is now abnormal；Use the horizontal boring-milling center of high accuracy instead, ensure fuselage crudy indirectly.
- A kind of 2. air compressor thin-walled fuselage anti-deformation processing technology according to claim 1, it is characterised in that：It is described The operation principle of air compressor thin-walled fuselage anti-deformation processing technology a kind of be to ensure the benchmark of workpiece process, if The rationally effective special alignment tool that is loaded of meter ensures the positioning datum of workpiece；From suitable process equipment and cutter, protect Demonstrate,prove the machining benchmark of workpiece；The centering special tooling that is loaded is designed, good positioning and supporting role, while strict control can be played Per the knife amount of feeding, machining deformation is avoided；Fuselage processing technology is improved, by mobile work platform, coaxial aperture time processing is completed, protects Demonstrate,prove the machining accuracy of fuselage coaxial aperture；Processing technology is refined, SD fuselage is loaded mode and processing dimension, improves the utilization of technique Rate；New equipment is changed, the horizontal boring-milling center of high accuracy is used instead, ensures fuselage crudy indirectly.
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| CN201710750961.8A CN107398574A (en) | 2017-08-28 | 2017-08-28 | A kind of air compressor thin-walled fuselage anti-deformation processing technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026741A (en) * | 2019-04-25 | 2019-07-19 | 沈阳透平机械股份有限公司 | A kind of rough machining method of centrifugal compressor casing |
| CN112605611A (en) * | 2020-12-07 | 2021-04-06 | 重庆江增船舶重工有限公司 | Gear box machining method for turbine |
-
2017
- 2017-08-28 CN CN201710750961.8A patent/CN107398574A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026741A (en) * | 2019-04-25 | 2019-07-19 | 沈阳透平机械股份有限公司 | A kind of rough machining method of centrifugal compressor casing |
| CN110026741B (en) * | 2019-04-25 | 2021-06-22 | 沈阳透平机械股份有限公司 | Rough machining method for centrifugal compressor shell |
| CN112605611A (en) * | 2020-12-07 | 2021-04-06 | 重庆江增船舶重工有限公司 | Gear box machining method for turbine |
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Application publication date: 20171128 |