CN104384824A - Processing methods of High temperature alloy GH4169 special-shaped hole and hole edge fillet - Google Patents
Processing methods of High temperature alloy GH4169 special-shaped hole and hole edge fillet Download PDFInfo
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- CN104384824A CN104384824A CN201410546293.3A CN201410546293A CN104384824A CN 104384824 A CN104384824 A CN 104384824A CN 201410546293 A CN201410546293 A CN 201410546293A CN 104384824 A CN104384824 A CN 104384824A
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- 239000000956 alloy Substances 0.000 title claims abstract description 41
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 40
- 238000003672 processing method Methods 0.000 title claims abstract description 33
- 238000003801 milling Methods 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 45
- 238000005259 measurement Methods 0.000 claims description 14
- 238000007493 shaping process Methods 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007514 turning 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
- 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
The invention relates to processing methods of a high temperature alloy GH4169 special-shaped hole and a hole edge fillet. The molded special-shaped hole has the biggest outline size of (1mm-3.5mm)* (2mm-8mm); the processing method of the special-shaped hole comprises the following steps: (1) dotting and drilling a bottom hole, namely, firstly dotting by a center drill, then selecting a phi 3 drill bit to drill the bottom hole, and removing most of the margin; (2) rough milling, namely, carrying out rough milling by a phi 3 milling cutter. After the processing methods of the high temperature alloy GH4169 special-shaped hole and the hole edge fillet are adopted, the problems that the small-sized special-shaped holes and the hole edge fillets of high temperature alloy GH4169 material disc ring parts are low in processing efficiency and instable in processing quality, the milling cutter is short in service life, the cutting edge of the milling cutter is easily broken, and the like can be solved. The processing methods of the high temperature alloy GH4169 special-shaped hole and the hole edge fillet can be popularized and used in similar parts, and have wide application prospect in manufacture of an aero-engine and a ground turbine combustion engine.
Description
Technical field
The present invention relates to Machining Technology field, specifically provide the processing method of a kind of GH4169 alloy profiled holes and hole Edge Blend.
Background technology
Turbine rotor parts are one of important core heat end pieces of aero-engine, the material of turbine part must have high yield strength, hot strength and good heat endurance, reliable job requirement under adapting to high temperature, along with the raising of engine thrust-weight ratio, GH4169 alloy material is used more and more, and no matter bring very large difficulty to machining on the one hand, be turning, milling, broaching, or boring, general working (machining) efficiency is low, crudy is unstable.On design of part, outstanding feature is complex-shaped on the other hand, and wall is thin, poor rigidity, adds and very easily produces distortion man-hour.And in the processing method of small size profiled holes, in current industry, more generally adopting wire pulling method technique, in wire pulling method process, cutting force is very large, adds the generation of the distortion of part.For hole Edge Blend, the domestic manual method sanding and polishing of generally adopting realizes, and human factor causes that the fillet uniformity that formed is poor, R is defective.
People urgently wish the processing method obtaining the excellent GH4169 alloy profiled holes of a kind of technique effect and hole Edge Blend.
Summary of the invention
The object of this invention is to provide the processing method of the excellent GH4169 alloy profiled holes of a kind of technique effect and hole Edge Blend, effectively control and reduce the machining deformation of part, meeting the processing needs of GH4169 alloy disk of material ring parts small size profiled holes and hole Edge Blend.
Because the cutting force in GH4169 alloy disk of material ring parts broaching process is very large, traditional wire pulling method mode can not meet actual process requirements, therefore have selected a kind of Milling Process technique, effectively reduce the distortion in processing, meet process requirements.
The processing method of described GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is (1mm-3.5 mm) × (2mm-8mm), and procedure of processing is as follows:
1. get ready and bore bottom outlet: first use centre drill to get ready, then choice for use Ф 3 drill bit gets out bottom outlet, removes most of surplus;
2. rough mill: use Ф 3 milling cutter to carry out rough milling, by the programming of the cutter heart along the feed of profiled holes profile, adopt three-axis machining center, rotating speed (350r-450r)/min, amount of feeding 0.1mm; Remove surplus and ensure that the finish-milling for next step is reserved with uniform 0.2mm surplus;
3. finish-milling: use Ф 3 milling cutter to carry out finish-milling processing, adopt three-axis machining center by Programing by outline along the feed of profiled holes profile, rotating speed (450r-550r)/min, Milling Process is to the designing requirement of small size profiled holes.
The processing method of described GH4169 alloy hole Edge Blend, the hole Edge Blend of machine-shaping is of a size of R (0.1mm-0.3mm) ± (0.05mm-0.2mm), and procedure of processing is as follows:
1. positive rounding: use positive rounding cutter, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing along small size profiled holes profile; Rotating speed (350r-450r)/min, amount of feeding 0.1mm;
2. instead circle: use instead fillet knife, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing, rotating speed (450r-550r)/min along small size profiled holes profile.
Described positive rounding tool bodies is the positive rounding cutter of R0.4.Positive rounding cutter is designed to Double-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
Described instead fillet knife is specially R0.4 instead fillet knife.Instead dise knife is designed to single-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
The processing method of described GH4169 alloy profiled holes and hole Edge Blend breaches the technical barrier of GH4169 alloy disk of material ring parts small size profiled holes Milling Process, solve the Tool Design of GH4169 alloy disk of material ring parts small size profiled holes Milling Process and hole Edge Blend, the establishment of Milling Process numerical control program, the technical bottlenecks such as the determination of Milling Process technological parameter rotating speed, feeding, effectively ensure that the dimension precision requirement of dish ring parts small size profiled holes.
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, the processing such as a milling cutter life-span short easy tipping difficult problem.Can promote the use of in same kind of parts, have broad application prospects in aero-engine, ground turbine combustion engine manufacture.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, 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 R0.4 positive rounding milling cutter construction schematic diagram;
Fig. 4 is R0.4 instead circular milling knife structure schematic diagram.
Detailed description of the invention
Embodiment 1
Because the cutting force in GH4169 alloy disk of material ring parts broaching process is very large, traditional wire pulling method mode can not meet actual process requirements, therefore have selected a kind of Milling Process technique, effectively reduce the distortion in processing, meet process requirements.
The processing method of described GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is (1mm-3.5 mm) × (2mm-8mm), and procedure of processing is as follows:
1. get ready and bore bottom outlet: first use centre drill to get ready, then choice for use Ф 3 drill bit gets out bottom outlet, removes most of surplus;
2. rough mill: use Ф 3 milling cutter to carry out rough milling, by the programming of the cutter heart along the feed of profiled holes profile, adopt three-axis machining center, rotating speed (350r-450r)/min, amount of feeding 0.1mm; Remove surplus and ensure that the finish-milling for next step is reserved with uniform 0.2mm surplus;
3. finish-milling: use Ф 3 milling cutter to carry out finish-milling processing, adopt three-axis machining center by Programing by outline along the feed of profiled holes profile, rotating speed (450r-550r)/min, Milling Process is to the designing requirement of small size profiled holes.
The processing method of described GH4169 alloy hole Edge Blend, the hole Edge Blend of machine-shaping is of a size of R (0.1mm-0.3mm) ± (0.05mm-0.2mm), and procedure of processing is as follows:
1. positive rounding: use positive rounding cutter, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing along small size profiled holes profile; Rotating speed (350r-450r)/min, amount of feeding 0.1mm;
2. instead circle: use instead fillet knife, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing, rotating speed (450r-550r)/min along small size profiled holes profile.
Described positive rounding tool bodies is the positive rounding cutter of R0.4.Positive rounding cutter is designed to Double-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
Described instead fillet knife is specially R0.4 instead fillet knife.Instead dise knife is designed to single-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
The processing method of described GH4169 alloy profiled holes and hole Edge Blend breaches the technical barrier of GH4169 alloy disk of material ring parts small size profiled holes Milling Process, solve the Tool Design of GH4169 alloy disk of material ring parts small size profiled holes Milling Process and hole Edge Blend, the establishment of Milling Process numerical control program, the technical bottlenecks such as the determination of Milling Process technological parameter rotating speed, feeding, effectively ensure that the dimension precision requirement of dish ring parts small size profiled holes.
The processing method of GH4169 alloy profiled holes and hole Edge Blend described in the present embodiment solves GH4169 alloy disk of material ring parts small size profiled holes and hole Edge Blend working (machining) efficiency is low, crudy is unstable, the processing such as a milling cutter life-span short easy tipping difficult problem.Can promote the use of in same kind of parts, have broad application prospects in aero-engine, ground turbine combustion engine manufacture.
Embodiment 2
The processing method of described GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is 3.5 mm × 5mm, and procedure of processing is as follows:
1. get ready and bore bottom outlet: first use centre drill to get ready, then choice for use Ф 3 drill bit gets out bottom outlet, removes most of surplus;
2. rough mill: use Ф 3 milling cutter to carry out rough milling, by the programming of the cutter heart along the feed of profiled holes profile, adopt three-axis machining center, rotating speed 400r/min, amount of feeding 0.1mm; Remove surplus and ensure that the finish-milling for next step is reserved with uniform 0.2mm surplus;
3. finish-milling: use Ф 3 milling cutter to carry out finish-milling processing, adopt three-axis machining center by Programing by outline along the feed of profiled holes profile, rotating speed 500r/min, Milling Process is to the designing requirement of small size profiled holes.
The processing method of described GH4169 alloy hole Edge Blend, the hole Edge Blend of machine-shaping is of a size of R0.3mm ± 0.2mm, and procedure of processing is as follows:
1. positive rounding: use positive rounding cutter, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing along small size profiled holes profile; Rotating speed 400r/min, amount of feeding 0.1mm;
2. instead circle: use instead fillet knife, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing, rotating speed 500r/min along small size profiled holes profile.
Described positive rounding tool bodies is the positive rounding cutter of R0.4.Positive rounding cutter is designed to Double-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
Described instead fillet knife is specially R0.4 instead fillet knife.Instead dise knife is designed to single-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
The present embodiment processing method is adopted to achieve good milling effect.
Embodiment 3
The processing method of described GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is 1mm × 2mm, and procedure of processing is as follows:
1. get ready and bore bottom outlet: first use centre drill to get ready, then choice for use Ф 3 drill bit gets out bottom outlet, removes most of surplus;
2. rough mill: use Ф 3 milling cutter to carry out rough milling, by the programming of the cutter heart along the feed of profiled holes profile, adopt three-axis machining center, rotating speed 450r/min, amount of feeding 0.1mm; Remove surplus and ensure that the finish-milling for next step is reserved with uniform 0.2mm surplus;
3. finish-milling: use Ф 3 milling cutter to carry out finish-milling processing, by Programing by outline along the feed of profiled holes profile, adopt three-axis machining center, rotating speed 450r/min, Milling Process is to the designing requirement of small size profiled holes.
The processing method of described GH4169 alloy hole Edge Blend, the hole Edge Blend of machine-shaping is of a size of R0.1mm ± 0.05mm, and procedure of processing is as follows:
1. positive rounding: use positive rounding cutter, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing along small size profiled holes profile; Rotating speed 450r/min, amount of feeding 0.1mm;
2. instead circle: use instead fillet knife, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing, rotating speed 450r/min along small size profiled holes profile.
Described positive rounding tool bodies is the positive rounding cutter of R0.4.Positive rounding cutter is designed to Double-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
Described instead fillet knife is specially R0.4 instead fillet knife.Instead dise knife is designed to single-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
The present embodiment processing method is adopted to achieve good milling effect.
Embodiment 4
The processing method of described GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is 3.5 mm × 8mm, and procedure of processing is as follows:
1. get ready and bore bottom outlet: first use centre drill to get ready, then choice for use Ф 3 drill bit gets out bottom outlet, removes most of surplus;
2. rough mill: use Ф 3 milling cutter to carry out rough milling, by the programming of the cutter heart along the feed of profiled holes profile, adopt three-axis machining center, rotating speed 400r/min, amount of feeding 0.1mm; Remove surplus and ensure that the finish-milling for next step is reserved with uniform 0.2mm surplus;
3. finish-milling: use Ф 3 milling cutter to carry out finish-milling processing, by Programing by outline along the feed of profiled holes profile, adopt three-axis machining center, rotating speed 450r/min, Milling Process is to the designing requirement of small size profiled holes.
The processing method of described GH4169 alloy hole Edge Blend, the hole Edge Blend of machine-shaping is of a size of R0.3mm ± 0.1mm, and procedure of processing is as follows:
1. positive rounding: use positive rounding cutter, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing along small size profiled holes profile; Rotating speed 400r/min, amount of feeding 0.1mm;
2. instead circle: use instead fillet knife, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing, rotating speed 450r/min along small size profiled holes profile.
Described positive rounding tool bodies is the positive rounding cutter of R0.4.Positive rounding cutter is designed to Double-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
Described instead fillet knife is specially R0.4 instead fillet knife.Instead dise knife is designed to single-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
The present embodiment processing method is adopted to achieve good milling effect.
Embodiment 5
The processing method of described GH4169 alloy profiled holes, the maximum contour dimension of the profiled holes of machine-shaping is 3.5 mm × 5mm, and procedure of processing is as follows:
1. get ready and bore bottom outlet: first use centre drill to get ready, then choice for use Ф 3 drill bit gets out bottom outlet, removes most of surplus;
2. rough mill: use Ф 3 milling cutter to carry out rough milling, by the programming of the cutter heart along the feed of profiled holes profile, adopt three-axis machining center, rotating speed 300r/min, amount of feeding 0.1mm; Remove surplus and ensure that the finish-milling for next step is reserved with uniform 0.2mm surplus;
3. finish-milling: use Ф 3 milling cutter to carry out finish-milling processing, by Programing by outline along the feed of profiled holes profile, adopt three-axis machining center, rotating speed 300r/min, Milling Process is to the designing requirement of small size profiled holes.
The processing method of described GH4169 alloy hole Edge Blend, the hole Edge Blend of machine-shaping is of a size of R0.3mm ± 0.2mm, and procedure of processing is as follows:
1. positive rounding: use positive rounding cutter, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing along small size profiled holes profile; Rotating speed 300r/min, amount of feeding 0.1mm;
2. instead circle: use instead fillet knife, by the method for Programing by outline, adopts three-axis machining center, carries out interpolation processing, rotating speed 300r/min along small size profiled holes profile.
Described positive rounding tool bodies is the positive rounding cutter of R0.4.Positive rounding cutter is designed to Double-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
Described instead fillet knife is specially R0.4 instead fillet knife.Instead dise knife is designed to single-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
Adopt the method for the present embodiment to carry out processing and find that tool wear is serious, especially easily tipping, technique effect is bad.
Claims (4)
1. a processing method for GH4169 alloy profiled holes, is characterized in that: 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: first use centre drill to get ready, then choice for use Ф 3 drill bit gets out bottom outlet, removes most of surplus;
2. rough mill: use Ф 3 milling cutter to carry out rough milling, adopt three-axis machining center along the feed of profiled holes profile, rotating speed (350r-450r)/min, amount of feeding 0.1mm; Remove surplus and ensure that the finish-milling for next step is reserved with uniform 0.2mm surplus;
3. finish-milling: use Ф 3 milling cutter to carry out finish-milling processing, adopt three-axis machining center along the feed of profiled holes profile, rotating speed (450r-550r)/min, Milling Process is to the designing requirement of small size profiled holes.
2. a processing method for GH4169 alloy hole Edge Blend, is characterized in that: the hole Edge Blend of machine-shaping is of a size of R (0.1mm-0.3mm) ± (0.05mm-0.2mm), and procedure of processing is as follows:
1. positive rounding: use positive rounding cutter, adopts three-axis machining center to carry out interpolation processing along small size profiled holes profile; Rotating speed (350r-450r)/min, amount of feeding 0.1mm;
2. instead circle: use instead fillet knife, adopts three-axis machining center to carry out interpolation processing along small size profiled holes profile, rotating speed (450r-550r)/min.
3. according to the processing method of GH4169 alloy hole Edge Blend described in claim 2, it is characterized in that: described positive rounding tool bodies is the positive rounding cutter of R0.4 that M42 material is made, positive rounding cutter is Double-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
4. according to the processing method of GH4169 alloy hole Edge Blend described in claim 2, it is characterized in that: described instead fillet knife is specially the R0.4 instead fillet knife that M42 material is made, instead dise knife is single-blade structure, and actual measurement maximum gauge is less than the minor axis length of processed profiled holes.
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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 |
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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 |
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Cited By (7)
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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 |
| CN110860866A (en) * | 2019-11-05 | 2020-03-06 | 东莞市源开鑫精密科技有限公司 | A kind of machining method of precision special-shaped hole |
| CN111545990A (en) * | 2019-02-11 | 2020-08-18 | 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 |
| CN114054815A (en) * | 2022-01-18 | 2022-02-18 | 成都飞机工业（集团）有限责任公司 | High-precision special-shaped hole machining method |
| CN114932256A (en) * | 2022-06-29 | 2022-08-23 | 中国航发动力股份有限公司 | Multi-curvature hole edge rounding method and equipment under limitation of part structure |
| 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 |
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Cited By (10)
| 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) |
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| CN111545990A (en) * | 2019-02-11 | 2020-08-18 | 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 |
| 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 | A kind of machining method of precision special-shaped hole |
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| CN114932256A (en) * | 2022-06-29 | 2022-08-23 | 中国航发动力股份有限公司 | Multi-curvature hole edge rounding method and equipment under limitation of part structure |
| 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 |
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| CN104384824B (en) | 2017-03-15 |
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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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Granted publication date: 20170315 Termination date: 20201016 |