CN104384824B - A kind of GH4169 alloy profiled holes and the processing method of hole Edge Blend - Google Patents
A kind of GH4169 alloy profiled holes and the processing method of hole Edge Blend Download PDFInfo
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- CN104384824B CN104384824B CN201410546293.3A CN201410546293A CN104384824B CN 104384824 B CN104384824 B CN 104384824B CN 201410546293 A CN201410546293 A CN 201410546293A CN 104384824 B CN104384824 B CN 104384824B
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- profiled holes
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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
- B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
- B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important
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Abstract
A kind of GH4169 alloy profiled holes and the processing method of hole Edge Blend, the maximum contour dimension of the profiled holes of machine-shaping is (1mm 3.5mm) × (2mm 8mm), and procedure of processing is as follows：1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove most of surplus；2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, the processing method of GH4169 alloy profiled holes of the present invention and hole Edge Blend solves GH4169 alloy disk of material ring parts small size profiled holes and hole Edge Blend working (machining) efficiency is low, crudy is unstable, and easy tipping of milling cutter short life etc. processes a difficult problem.Can promote the use of in same kind of parts, have broad application prospects in aero-engine, ground turbine combustion engine manufacture.
Description
Technical field
The present invention relates to machining technology field, specifically provides a kind of GH4169 alloy profiled holes and hole side is fallen
Round processing method.
Background technology
Turbine rotor part is one of important core hot-end component of aero-engine, and the material of turbine part must have
High yield strength, tensile strength and good heat endurance, adapt to reliable job requirement under high temperature, as engine is pushed away
The raising of anharmonic ratio, GH4169 alloy material are used more and more, on the one hand bring very big difficulty to machining,
Either turning, milling, broaching, or drilling, universal working (machining) efficiency is low, crudy is unstable.Another aspect design of part
Upper prominent the characteristics of is complex-shaped, and wall is thin, and poor rigidity is easily deformed during processing.And the processing in small size profiled holes
In method, in current industry, wire pulling method technique is adopted more generally, cutting force is very big during wire pulling method, increased
The generation of the deformation of part.For hole Edge Blend, the country is generally realized using manual method sanding and polishing, human factor
The fillet uniformity that results in is poor, R is unqualified.
People are highly desirable obtain a kind of excellent GH4169 alloy profiled holes of technique effect and hole Edge Blend plus
Work method.
Content of the invention
It is an object of the invention to provide a kind of excellent GH4169 alloy profiled holes of technique effect and hole Edge Blend
Processing method, efficiently controls and reduces the machining deformation of part, meets the little chi of GH4169 alloy disk of material ring parts
The processing of very little profiled holes and hole Edge Blend needs.
As the cutting force during the broaching of GH4169 alloy disk of material ring parts is very big, traditional broaching adds
Work mode can not meet reality processing demand, therefore have selected a kind of Milling Process technique, effectively reduce the change in processing
Shape, meets process requirements.
The processing method of the GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is
(1mm-3.5 mm) × (2mm-8mm), procedure of processing is as follows：
1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove big
Part surplus；
2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, by cutter heart programming along profiled holes profile feed, is sat using three
Mark machining center, rotating speed (350r-450r)/min, amount of feeding 0.1mm；Remove surplus and ensure to reserve for the finish-milling of next step
There are uniform 0.2mm surpluses；
3. finish-milling：Finish-milling processing is carried out using 3 milling cutters of Ф, three coordinates are adopted along the feed of profiled holes profile by Programing by outline
Machining center, rotating speed (450r-550r)/min, the design requirement of Milling Process to small size profiled holes.
The processing method of GH4169 alloy hole Edge Blend, the size of the hole Edge Blend of machine-shaping is R
(0.1mm-0.3mm) ± (0.05mm-0.2mm), procedure of processing is as follows：
1. positive rounding：Using positive rounding knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing；Rotating speed (350r-450r)/min, amount of feeding 0.1mm；
2. instead justify：Using instead fillet knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing, rotating speed (450r-550r)/min.
The positive rounding knife is specially the positive rounding knives of R0.4.Positive rounding knife is designed as Double-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Instead the fillet knife is specially R0.4 instead fillet knifes.Instead dise knife is designed as single-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
The processing method of the GH4169 alloy profiled holes and hole Edge Blend breaches GH4169 alloy material
The technical barrier of disk ring parts small size profiled holes Milling Process, solves GH4169 alloy disk of material ring parts little
Size profiled holes Milling Process and the Tool Design of hole Edge Blend, the establishment of Milling Process numerical control program, Milling Process technique are joined
The technical bottlenecks such as number rotating speed, the determination of feeding, have been effectively ensured the dimension precision requirement of disk ring parts small size profiled holes.
The processing method of GH4169 alloy profiled holes of the present invention and hole Edge Blend solves high temperature alloy
GH4169 disk of material ring parts small size profiled holes and hole Edge Blend working (machining) efficiency are low, and crudy is unstable, the milling cutter life-span
Short easy tipping etc. processes a difficult problem.Can promote the use of in same kind of parts, have in aero-engine, ground turbine combustion engine manufacture
Wide application prospect.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation：
Fig. 1 is GH4169 alloy small size profiled holes schematic diagram；
Fig. 2 is GH4169 alloy hole Edge Blend schematic diagram；
Fig. 3 is the positive rounding milling cutter construction schematic diagrames of R0.4；
Fig. 4 is R0.4 instead circular milling knife structural representations.
Specific embodiment
Embodiment 1
As the cutting force during the broaching of GH4169 alloy disk of material ring parts is very big, traditional broaching adds
Work mode can not meet reality processing demand, therefore have selected a kind of Milling Process technique, effectively reduce the change in processing
Shape, meets process requirements.
The processing method of the GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is
(1mm-3.5 mm) × (2mm-8mm), procedure of processing is as follows：
1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove big
Part surplus；
2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, by cutter heart programming along profiled holes profile feed, is sat using three
Mark machining center, rotating speed (350r-450r)/min, amount of feeding 0.1mm；Remove surplus and ensure to reserve for the finish-milling of next step
There are uniform 0.2mm surpluses；
3. finish-milling：Finish-milling processing is carried out using 3 milling cutters of Ф, three coordinates are adopted along the feed of profiled holes profile by Programing by outline
Machining center, rotating speed (450r-550r)/min, the design requirement of Milling Process to small size profiled holes.
The processing method of GH4169 alloy hole Edge Blend, the size of the hole Edge Blend of machine-shaping is R
(0.1mm-0.3mm) ± (0.05mm-0.2mm), procedure of processing is as follows：
1. positive rounding：Using positive rounding knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing；Rotating speed (350r-450r)/min, amount of feeding 0.1mm；
2. instead justify：Using instead fillet knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing, rotating speed (450r-550r)/min.
The positive rounding knife is specially the positive rounding knives of R0.4.Positive rounding knife is designed as Double-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Instead the fillet knife is specially R0.4 instead fillet knifes.Instead dise knife is designed as single-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
The processing method of the GH4169 alloy profiled holes and hole Edge Blend breaches GH4169 alloy material
The technical barrier of disk ring parts small size profiled holes Milling Process, solves GH4169 alloy disk of material ring parts little
Size profiled holes Milling Process and the Tool Design of hole Edge Blend, the establishment of Milling Process numerical control program, Milling Process technique are joined
The technical bottlenecks such as number rotating speed, the determination of feeding, have been effectively ensured the dimension precision requirement of disk ring parts small size profiled holes.
Described in the present embodiment, the processing method of GH4169 alloy profiled holes and hole Edge Blend solves high temperature alloy
GH4169 disk of material ring parts small size profiled holes and hole Edge Blend working (machining) efficiency are low, and crudy is unstable, the milling cutter life-span
Short easy tipping etc. processes a difficult problem.Can promote the use of in same kind of parts, have in aero-engine, ground turbine combustion engine manufacture
Wide application prospect.
Embodiment 2
The processing method of the GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is
3.5 mm × 5mm, procedure of processing are as follows：
1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove big
Part surplus；
2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, by cutter heart programming along profiled holes profile feed, is sat using three
Mark machining center, rotating speed 400r/min, amount of feeding 0.1mm；Remove surplus and ensure to be reserved with uniformly for the finish-milling of next step
0.2mm surpluses；
3. finish-milling：Finish-milling processing is carried out using 3 milling cutters of Ф, three coordinates are adopted along the feed of profiled holes profile by Programing by outline
Machining center, rotating speed 500r/min, the design requirement of Milling Process to small size profiled holes.
The processing method of GH4169 alloy hole Edge Blend, the size of the hole Edge Blend of machine-shaping is R0.3mm
± 0.2mm, procedure of processing are as follows：
1. positive rounding：Using positive rounding knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing；Rotating speed 400r/min, amount of feeding 0.1mm；
2. instead justify：Using instead fillet knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing, rotating speed 500r/min.
The positive rounding knife is specially the positive rounding knives of R0.4.Positive rounding knife is designed as Double-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Instead the fillet knife is specially R0.4 instead fillet knifes.Instead dise knife is designed as single-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Good milling effect is achieved using the present embodiment processing method.
Embodiment 3
The processing method of the GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is
1mm × 2mm, procedure of processing are as follows：
1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove big
Part surplus；
2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, by cutter heart programming along profiled holes profile feed, is sat using three
Mark machining center, rotating speed 450r/min, amount of feeding 0.1mm；Remove surplus and ensure to be reserved with uniformly for the finish-milling of next step
0.2mm surpluses；
3. finish-milling：Finish-milling processing is carried out using 3 milling cutters of Ф, by Programing by outline along profiled holes profile feed, is sat using three
Mark machining center, rotating speed 450r/min, the design requirement of Milling Process to small size profiled holes.
The processing method of GH4169 alloy hole Edge Blend, the size of the hole Edge Blend of machine-shaping is R0.1mm
± 0.05mm, procedure of processing are as follows：
1. positive rounding：Using positive rounding knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing；Rotating speed 450r/min, amount of feeding 0.1mm；
2. instead justify：Using instead fillet knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing, rotating speed 450r/min.
The positive rounding knife is specially the positive rounding knives of R0.4.Positive rounding knife is designed as Double-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Instead the fillet knife is specially R0.4 instead fillet knifes.Instead dise knife is designed as single-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Good milling effect is achieved using the present embodiment processing method.
Embodiment 4
The processing method of the GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is
3.5 mm × 8mm, procedure of processing are as follows：
1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove big
Part surplus；
2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, by cutter heart programming along profiled holes profile feed, is sat using three
Mark machining center, rotating speed 400r/min, amount of feeding 0.1mm；Remove surplus and ensure to be reserved with uniformly for the finish-milling of next step
0.2mm surpluses；
3. finish-milling：Finish-milling processing is carried out using 3 milling cutters of Ф, by Programing by outline along profiled holes profile feed, is sat using three
Mark machining center, rotating speed 450r/min, the design requirement of Milling Process to small size profiled holes.
The processing method of GH4169 alloy hole Edge Blend, the size of the hole Edge Blend of machine-shaping is R0.3mm
± 0.1mm, procedure of processing are as follows：
1. positive rounding：Using positive rounding knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing；Rotating speed 400r/min, amount of feeding 0.1mm；
2. instead justify：Using instead fillet knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing, rotating speed 450r/min.
The positive rounding knife is specially the positive rounding knives of R0.4.Positive rounding knife is designed as Double-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Instead the fillet knife is specially R0.4 instead fillet knifes.Instead dise knife is designed as single-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Good milling effect is achieved using the present embodiment processing method.
Embodiment 5
The processing method of the GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is
3.5 mm × 5mm, procedure of processing are as follows：
1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove big
Part surplus；
2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, by cutter heart programming along profiled holes profile feed, is sat using three
Mark machining center, rotating speed 300r/min, amount of feeding 0.1mm；Remove surplus and ensure to be reserved with uniformly for the finish-milling of next step
0.2mm surpluses；
3. finish-milling：Finish-milling processing is carried out using 3 milling cutters of Ф, by Programing by outline along profiled holes profile feed, is sat using three
Mark machining center, rotating speed 300r/min, the design requirement of Milling Process to small size profiled holes.
The processing method of GH4169 alloy hole Edge Blend, the size of the hole Edge Blend of machine-shaping is R0.3mm
± 0.2mm, procedure of processing are as follows：
1. positive rounding：Using positive rounding knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing；Rotating speed 300r/min, amount of feeding 0.1mm；
2. instead justify：Using instead fillet knife, by the method for Programing by outline, using three-axis machining center, along little chi
Very little profiled holes profile carries out interpolation processing, rotating speed 300r/min.
The positive rounding knife is specially the positive rounding knives of R0.4.Positive rounding knife is designed as Double-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Instead the fillet knife is specially R0.4 instead fillet knifes.Instead dise knife is designed as single-blade structure, and actual measurement is most
Minor axis length of the major diameter less than processed profiled holes.
Discovery tool wear is processed seriously using the method for the present embodiment, tipping is particularly easy to, technique effect is bad.
Claims (3)
1. the processing method of a kind of GH4169 alloy profiled holes and hole Edge Blend, it is characterised in that：The abnormal shape of machine-shaping
The maximum contour dimension in hole is (1mm-3.5mm) × (2mm-8mm), and procedure of processing is as follows：
1. get ready and bore bottom outlet：Get ready first by centre drill, then select bottom outlet to be got out using 3 drill bits of Ф, remove most of
Surplus；
2. rough mill：Rough milling is carried out using 3 milling cutters of Ф, using three-axis machining centrally along profiled holes profile feed, rotating speed
(350r-450r)/min, amount of feeding 0.1mm；Remove surplus and ensure that the finish-milling for next step is reserved with more than uniform 0.2mm
Amount；
3. finish-milling：Finish-milling processing is carried out using 3 milling cutters of Ф, using three-axis machining centrally along profiled holes profile feed, rotating speed
(450r-550r)/min, the design requirement of Milling Process to small size profiled holes,
The size of the hole Edge Blend of machine-shaping is R0.05mm-0.5mm, and procedure of processing is as follows：
1. positive rounding：Using positive rounding knife, interpolation processing is carried out centrally along small size profiled holes profile using three-axis machining；
Rotating speed (350r-450r)/min, amount of feeding 0.1mm；
2. instead justify：Using instead fillet knife, interpolation processing is carried out centrally along small size profiled holes profile using three-axis machining,
Rotating speed (450r-550r)/min.
2. according to the processing method of GH4169 alloy profiled holes and hole Edge Blend described in claim 1, it is characterised in that：Institute
State positive rounding knife and be specially the positive rounding knives of R0.4 that M42 materials are made, positive rounding knife is Double-blade structure, and actual measurement is maximum
Minor axis length of the diameter less than processed profiled holes.
3. according to the processing method of GH4169 alloy profiled holes and hole Edge Blend described in claim 2, it is characterised in that：Institute
State instead fillet knife and be specially R0.4 that M42 materials make instead fillet knife, instead dise knife is single-blade structure, actual measurement is maximum
Minor axis length of the diameter less than processed profiled holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410546293.3A CN104384824B (en) | 2014-10-16 | 2014-10-16 | A kind of GH4169 alloy profiled holes and the processing method of hole Edge Blend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410546293.3A CN104384824B (en) | 2014-10-16 | 2014-10-16 | A kind of GH4169 alloy profiled holes and the processing method of hole Edge Blend |
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| Publication Number | Publication Date |
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| CN104384824B true CN104384824B (en) | 2017-03-15 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107088753A (en) * | 2016-07-28 | 2017-08-25 | 中航湖南通用航空发动机有限公司 | A kind of turbine disk-like accessory groove edge finishing process and processing unit (plant) |
| CN108994357A (en) * | 2018-08-08 | 2018-12-14 | 苏州顶裕节能设备有限公司 | A kind of CFRP profiled holes cutting apparatus and processing method |
| CN111545990B (en) * | 2019-02-11 | 2021-06-22 | 中国航发商用航空发动机有限责任公司 | Method for taking out broken interference stud in casing |
| CN110860866A (en) * | 2019-11-05 | 2020-03-06 | 东莞市源开鑫精密科技有限公司 | Method for machining precise special-shaped hole |
| CN114054815B (en) * | 2022-01-18 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | High-precision special-shaped hole machining method |
| CN114932256B (en) * | 2022-06-29 | 2023-09-19 | 中国航发动力股份有限公司 | Multi-curvature hole edge rounding processing method and equipment under part structure limitation |
| CN114952212A (en) * | 2022-07-06 | 2022-08-30 | 上海中船三井造船柴油机有限公司 | Method for machining connecting rod waist-shaped hole of marine diesel engine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1577085B2 (en) * | 1966-11-14 | 1976-12-02 | The Fafnir Bearing Co., New Britain, Conn. (V.StA.) | PROCESS FOR FINISHING A RING-SHAPED BEARING PART WITH AN INTERNAL BORE AND AN EXTERNAL SURFACE COAXIAL, SPHERICAL TO THIS, BETWEEN TWO END SURFACES, MAJORLY PARALLEL, BY GRINDING OR. LAEPPEN |
| CN101439457A (en) * | 2007-11-22 | 2009-05-27 | 上海重型机器厂有限公司 | Method for processing pressing sleeve hole of large diameter in top and bottom cross member of oil press |
| CN102554558A (en) * | 2010-12-28 | 2012-07-11 | 中国航空工业标准件制造有限责任公司 | Manufacturing method of special-shaped hole at threads of thin wall part |
| CN102990310B (en) * | 2012-12-21 | 2015-05-13 | 潍坊盛瑞动力机械科技有限公司 | Machining process for inclined oil hole in oil pan |
| CN103084809A (en) * | 2013-02-28 | 2013-05-08 | 重庆望江工业有限公司 | Machining method for triquetrum hole |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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