CN111940996A - Beam part machining method using unequal-height process bosses - Google Patents
Beam part machining method using unequal-height process bosses Download PDFInfo
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- CN111940996A CN111940996A CN201910411064.3A CN201910411064A CN111940996A CN 111940996 A CN111940996 A CN 111940996A CN 201910411064 A CN201910411064 A CN 201910411064A CN 111940996 A CN111940996 A CN 111940996A
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- finish machining
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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
Abstract
The invention discloses a beam part processing method using unequal-height process bosses, which is mainly suitable for single-side long beam parts, and sequentially comprises the following steps of: rough finish machining of smooth surfaces, rough finish machining of frame surfaces, aging treatment, semi-finish machining of the frame surfaces, finish machining of the smooth surfaces and finish machining of the frame surfaces. After the aging treatment, the deformation of the plain part was observed and recorded. And (3) processing the process bosses to different heights according to the deformation rule after aging during semi-finishing, wherein the relative positions of the process bosses are consistent with the smooth surface deformation rule. And when the smooth surface is subjected to finish machining, the boss is tightly pressed, the part is just in a stress-free state, and the smooth surface is flattened. By using the processing method disclosed by the invention, when the smooth surface is finely processed, a gasket is not required to be manually added, the boss is directly pressed, even if the part is pressed in a stress-free state, and after the smooth surface is flattened, the deformation caused by stress release after materials are removed by rough processing can be eliminated, and the deformation of the part can be effectively controlled.
Description
Technical Field
The invention relates to the field of metal cutting machining, in particular to the field of beam part machining.
Background
When long beam type parts are machined, after a large amount of materials are removed through rough machining, part stress is released, large plastic deformation is usually generated, the serious buckling deformation amount is larger than 5mm/m, the smooth surface of the single-surface long beam type part usually has high flatness requirements, small buckling deformation can be eliminated through correction, if the part buckling deformation amount is too large, the correction workload and the difficulty are large, and the risk of correction cracking exists.
If direct compress tightly the part when the finish machining, the part can be flattened in the processing, but is elastic deformation, and after the processing was accomplished and the part was taken off, the plane of finishing can rebound warpage's state again. At present, a part is laid flat, and a gasket with corresponding thickness is added on each boss manually, so that when a smooth surface is subjected to finish machining, the part is in a stress-free state, and after the smooth surface is flattened, the smooth surface is still a plane but cannot rebound, and part deformation in the rough machining process is eliminated. However, this method is labor intensive and requires high operating levels for shimming thickness.
Disclosure of Invention
The invention provides a method for realizing stress-free clamping of smooth finish machining of parts without manual padding.
The invention is realized by the following scheme:
a beam part processing method using unequal-height process bosses is mainly suitable for single-side long beam parts, a circle of process bosses are arranged around the parts, and the working procedures are sequentially carried out: rough finish machining of smooth surfaces, rough finish machining of frame surfaces, aging treatment, semi-finish machining of the frame surfaces, finish machining of the smooth surfaces and finish machining of the frame surfaces.
Further, after the aging treatment, the deformation condition of the smooth part is measured and recorded.
Further, during semi-finish machining, the process bosses are machined to different heights according to the deformation rule after aging, and the relative positions of the process bosses are consistent with the smooth surface deformation rule.
Furthermore, during the rough machining of the smooth surface, enough allowance is reserved to enable the allowance to be larger than the deformation amount of the part, after the process boss is machined to different heights consistent with the deformation of the smooth surface, when the smooth surface is subjected to finish machining, the part is just in a stress-free state after the boss is tightly pressed, and the smooth surface is flattened.
The invention has the beneficial effects that:
1. and a gasket is not required to be added manually, so that the risk caused by manual operation workload and manual judgment errors is reduced.
2. The deformation of the beam parts is mainly concentrated in the process of roughly machining and removing a large amount of materials, and the deformation of the parts can be effectively controlled after the rough machining deformation of the parts is eliminated by using the method.
Drawings
FIG. 1 is an isometric view of an arrangement of unequally tall bosses of certain parts.
Fig. 2 is a schematic flow chart of processing beam parts by using a non-equal-height boss scheme.
Detailed Description
The invention will be further explained with reference to the drawings.
Example 1
The invention relates to a beam part processing method using unequal-height process bosses, which is used for a single-side long beam part, wherein a circle of process bosses are arranged around the part, and the working procedures are sequentially carried out as follows: rough finish machining of smooth surfaces, rough finish machining of frame surfaces, aging treatment, semi-finish machining of the frame surfaces, finish machining of the smooth surfaces and finish machining of the frame surfaces. And after the aging treatment, observing and recording the deformation condition of the smooth surface part.
Example 2
As shown in fig. 2, a circle of process bosses are arranged around the part, and the following steps are sequentially carried out: rough finish machining of smooth surfaces, rough finish machining of frame surfaces, aging treatment, semi-finish machining of the frame surfaces, finish machining of the smooth surfaces and finish machining of the frame surfaces. After the aging treatment, the deformation of the plain part was observed and recorded. And (3) processing the process bosses to different heights according to the deformation rule after aging during semi-finishing, wherein the relative positions of the process bosses are consistent with the smooth surface deformation rule. And when the smooth surface is subjected to finish machining, the boss is tightly pressed, the part is just in a stress-free state, and the smooth surface is flattened.
Claims (4)
1. A beam part processing method using unequal-height process bosses is mainly suitable for single-side long beam parts and is characterized in that a circle of process bosses are arranged around the parts, and the working procedures are sequentially carried out: rough finish machining of smooth surfaces, rough finish machining of frame surfaces, aging treatment, semi-finish machining of the frame surfaces, finish machining of the smooth surfaces and finish machining of the frame surfaces.
2. The method for processing the beam-like part by using the unequal height process boss as claimed in claim 1, wherein the deformation of the smooth surface part is measured and recorded after the aging treatment.
3. The beam part processing method using the unequal-height process bosses as claimed in claim 1 and claim 2, wherein the process bosses are processed to different heights according to the deformation rule after aging during semi-finishing, and the relative positions of the process bosses are consistent with the smooth surface deformation rule.
4. The method as claimed in claim 1 or 2, wherein the rough finish machining is performed with a large enough margin to make the margin larger than the deformation of the part, the process boss is machined to different heights corresponding to the deformation of the smooth finish, and the smooth finish machining is performed with the boss pressed tightly, so that the part is in a stress-free state and the smooth finish is flattened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910411064.3A CN111940996B (en) | 2019-05-17 | 2019-05-17 | Beam part machining method using unequal-height process bosses |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910411064.3A CN111940996B (en) | 2019-05-17 | 2019-05-17 | Beam part machining method using unequal-height process bosses |
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| Publication Number | Publication Date |
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| CN111940996A true CN111940996A (en) | 2020-11-17 |
| CN111940996B CN111940996B (en) | 2022-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406719A (en) * | 2022-03-28 | 2022-04-29 | 成都飞机工业（集团）有限责任公司 | Long beam part machining deformation control method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269540B1 (en) * | 1998-10-05 | 2001-08-07 | National Research Council Of Canada | Process for manufacturing or repairing turbine engine or compressor components |
| FR2975321A1 (en) * | 2011-05-17 | 2012-11-23 | Mecafi | Method for manufacturing identical parts mounted around axis of aircraft turbine to guide e.g. gas flow in laminar circulation in turbo-compressor, involves adjusting weight of parts by polishing smooth faces of parts by surface machining |
| CN104889462A (en) * | 2015-06-17 | 2015-09-09 | 沈阳飞机工业（集团）有限公司 | Method for reducing deformation of numerical control machining plate type titanium alloy parts |
| CN106312475A (en) * | 2016-11-30 | 2017-01-11 | 江西洪都航空工业集团有限责任公司 | Die forging single-sided thin-walled structure beam part variation compensation machining method |
| CN107442824A (en) * | 2017-07-31 | 2017-12-08 | 成都飞机工业（集团）有限责任公司 | A kind of titanium alloy thin wall one side frame class part vacuum suction numerical-control processing method |
| CN107932001A (en) * | 2017-12-15 | 2018-04-20 | 中国第二重型机械集团德阳万航模锻有限责任公司 | The numerical-control processing method of large aluminum alloy entirety frame parts |
| CN108326524A (en) * | 2018-04-09 | 2018-07-27 | 徐州锦程行星传动有限公司 | A kind of processing technology of unenclosed construction part |
| CN108746782A (en) * | 2018-05-29 | 2018-11-06 | 成都飞机工业（集团）有限责任公司 | A kind of method for milling of the hanging web of high-precision |
-
2019
- 2019-05-17 CN CN201910411064.3A patent/CN111940996B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269540B1 (en) * | 1998-10-05 | 2001-08-07 | National Research Council Of Canada | Process for manufacturing or repairing turbine engine or compressor components |
| FR2975321A1 (en) * | 2011-05-17 | 2012-11-23 | Mecafi | Method for manufacturing identical parts mounted around axis of aircraft turbine to guide e.g. gas flow in laminar circulation in turbo-compressor, involves adjusting weight of parts by polishing smooth faces of parts by surface machining |
| CN104889462A (en) * | 2015-06-17 | 2015-09-09 | 沈阳飞机工业（集团）有限公司 | Method for reducing deformation of numerical control machining plate type titanium alloy parts |
| CN106312475A (en) * | 2016-11-30 | 2017-01-11 | 江西洪都航空工业集团有限责任公司 | Die forging single-sided thin-walled structure beam part variation compensation machining method |
| CN107442824A (en) * | 2017-07-31 | 2017-12-08 | 成都飞机工业（集团）有限责任公司 | A kind of titanium alloy thin wall one side frame class part vacuum suction numerical-control processing method |
| CN107932001A (en) * | 2017-12-15 | 2018-04-20 | 中国第二重型机械集团德阳万航模锻有限责任公司 | The numerical-control processing method of large aluminum alloy entirety frame parts |
| CN108326524A (en) * | 2018-04-09 | 2018-07-27 | 徐州锦程行星传动有限公司 | A kind of processing technology of unenclosed construction part |
| CN108746782A (en) * | 2018-05-29 | 2018-11-06 | 成都飞机工业（集团）有限责任公司 | A kind of method for milling of the hanging web of high-precision |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406719A (en) * | 2022-03-28 | 2022-04-29 | 成都飞机工业（集团）有限责任公司 | Long beam part machining deformation control method |
| CN114406719B (en) * | 2022-03-28 | 2022-07-15 | 成都飞机工业（集团）有限责任公司 | Long beam part machining deformation control method |
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| CN111940996B (en) | 2022-05-10 |
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