CN111151975A - Thin-wall part machining method - Google Patents
Thin-wall part machining method Download PDFInfo
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- CN111151975A CN111151975A CN202010008792.2A CN202010008792A CN111151975A CN 111151975 A CN111151975 A CN 111151975A CN 202010008792 A CN202010008792 A CN 202010008792A CN 111151975 A CN111151975 A CN 111151975A
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- thin
- wall part
- urea
- wall
- 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a thin-wall part processing method, which solves the technical problem that the precision of a thin-wall part is insufficient or even the thin-wall part is scrapped because the thin-wall part is easily subjected to vibration lines and deformation in the processing process in the prior art when the thin-wall part is processed by adopting a high-speed milling machine tool in a small tool consumption and quick feeding mode. The method comprises the steps of firstly, fixedly connecting the molten urea to the outer surface of the thin-wall part to form a thick-wall fixed body, and then, cutting the residual material on the inner side of the thin-wall part by using a milling cutter. The invention has scientific and reasonable design and convenient operation, adopts the fused urea to be fixedly connected to the outer surface of the thin-wall part to form the thick-wall fixing body, and then adopts the milling cutter to cut the residual material on the inner side of the thin-wall part, thereby effectively avoiding the generation of vibration lines and deformation of the thin-wall part in the processing process, effectively improving the processing precision of the thin-wall part to meet the high-precision design requirement, and simultaneously effectively improving the yield to reduce the cost of the processing material.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a thin-wall part machining method.
Background
The machining precision of the thin-wall part is not capable of meeting the design requirements due to the fact that the thin-wall part is prone to generating vibration lines and deformation in the machining process due to the characteristic of the thickness of the thin-wall part, the situation of scrapping often occurs, materials are wasted, and machining cost is increased. The traditional mode is solved by adopting a mode of small tool cutting amount and quick feeding of a high-speed milling machine tool, however, the machining precision is still not ideal, the high-precision requirement cannot be met, the situation of scrapping still happens occasionally, and the material waste causes the cost increase.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to design a thin-walled part processing method to improve the processing precision of the thin-walled part, improve the yield, and reduce the cost of the processing material.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the thin-wall part processing method solves the technical problems that in the prior art, when a thin-wall part is processed, a high-speed milling machine tool is used for processing in a small tool consumption and fast feeding mode, so that chattering marks and deformation are easy to generate in the thin-wall part processing process, and the thin-wall part is not accurate enough or even scrapped.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a method for machining the thin-wall part features that the fused urea is fixed to the external surface of the thin-wall part to form a thick-wall fixed body, and a milling cutter is used to cut the residual material on the internal surface of the thin-wall part.
Specifically, the thin-wall part machining method comprises the following steps:
step (1), high-speed dry cutting, namely removing residual materials on one side of a thin-wall part by using a high-speed machine tool;
heating and melting a proper amount of urea for filling the filler, filling the molten urea to one side of the thin-wall part, from which the residual material is removed, and cooling to form a thick-wall solid body;
step (3), performing slotting machining, namely removing the residual material on the other side of the thin-wall part by adopting the slotting machining;
taking the part, taking down the thin-wall part and heating to melt the urea fixedly connected to the thin-wall part into liquid state and separate the liquid from the thin-wall part;
and (5) cleaning the thin-wall part separated from the urea.
Further, in the step (2), the temperature for heating and melting the urea is 120 ℃.
Further, in the step (3), a high-speed milling is adopted to perform a slotting machining to remove the residual material on the other side of the thin-wall part.
Further, in the step (3), the high-speed milling is adopted to perform the slotting machining under the working condition without adding the cutting fluid to remove the residual material on the other side of the thin-wall part.
Further, before the step (4), the rest residual materials of the thin-wall part are removed by high-speed milling.
Further, in the step (4), when the thin-walled part is heated to melt urea, the heating temperature is 120 ℃.
Further, in the step (4), the urea melted into a liquid state needs to be recycled.
Compared with the prior art, the invention has the following beneficial effects:
the invention has scientific and reasonable design and convenient operation, adopts the fused urea to be fixedly connected to the outer surface of the thin-wall part to form the thick-wall fixing body, and then adopts the milling cutter to cut the residual material on the inner side of the thin-wall part, thereby effectively avoiding the generation of vibration lines and deformation of the thin-wall part in the processing process, effectively improving the processing precision of the thin-wall part to meet the high-precision design requirement, and simultaneously effectively improving the yield to reduce the cost of the processing material.
Drawings
FIG. 1 is a schematic view of the thin-walled part of the present invention with one side of the allowance removed during machining.
FIG. 2 is a diagram of the thin-walled part of the present invention being plunged by high speed milling to remove the margin on the other side.
Wherein, the names corresponding to the reference numbers are:
1-thin-wall parts, 2-residual materials to be removed on the other side of the thin-wall parts, 3-urea and 4-milling cutters.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the present invention provides a thin-walled part processing method, which comprises the steps of firstly fixing the thin-walled part to the outer surface of the thin-walled part by using molten urea to form a thick-walled fixing body, and then cutting the residual material on the inner side of the thin-walled part by using a milling cutter.
The method comprises the following specific steps:
and (1) carrying out high-speed dry cutting, wherein a high-speed machine tool is adopted to remove the residual material on one side of the thin-wall part.
And (2) filling a filler, namely heating and melting a proper amount of urea at the temperature of 120 ℃, filling the molten urea on one side of the thin-wall part, from which the residual material is removed, and cooling to form the thick-wall solid joint.
And (3) performing slotting machining, namely removing the residual material on the other side of the thin-wall part by adopting the slotting machining, preferably performing the slotting machining by high-speed milling when the residual material on the other side of the thin-wall part is removed by the slotting machining, adding no cutting fluid in the process, and then removing the residual material of the thin-wall part by adopting the high-speed milling.
And (4) taking the part, taking down the thin-wall part, heating the part to melt the urea fixedly connected to the thin-wall part into liquid, separating the liquid from the thin-wall part, wherein when the part is the thin-wall part and is heated to melt the urea, the heating temperature is 120 ℃, and the urea melted into the liquid needs to be recycled.
And (5) cleaning the thin-wall part separated from the urea.
The invention has scientific and reasonable design and convenient operation, adopts the fused urea to be fixedly connected to the outer surface of the thin-wall part to form the thick-wall fixing body, and then adopts the milling cutter to cut the residual material on the inner side of the thin-wall part, thereby effectively avoiding the generation of vibration lines and deformation of the thin-wall part in the processing process, effectively improving the processing precision of the thin-wall part to meet the high-precision design requirement, and simultaneously effectively improving the yield to reduce the cost of the processing material.
In the present invention, as shown in fig. 1 and 2, a high-speed machine tool is first used to remove excess material on one side of a thin-walled part 1. And then, putting a proper amount of urea into a heating pot, heating to 120 ℃, filling the urea into one side of the thin-wall part 1 from which the residual materials are removed after the urea is melted, and cooling to form a thick-wall solid body. And then removing the residual material 2 to be removed on the other side of the thin-wall part by slotting machining, and carrying out slotting machining by using a high-speed milling cutter 4 without adding cutting fluid in the process. And then, removing the rest residual materials of the thin-wall part by high-speed milling. And finally, taking down the thin-wall part, heating to 120 ℃ to melt the urea 3 into liquid, separating the liquid from the thin-wall part, recovering the urea which is melted into the liquid, and cleaning the thin-wall part.
The method is stable and reliable, does not generate vibration lines and deformation in the thin-wall part processing process, has high precision and high yield, can effectively meet the design precision requirement and reduce the processing material cost, has strong applicability, and is suitable for being widely popularized and applied in the technical field.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the patent scope of the present invention; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems to be solved by the present invention, which are not substantially changed or supplemented by the spirit and the concept of the main body of the present invention, are still consistent with the present invention and shall be included in the scope of the present invention; in addition, the technical scheme of the invention is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the invention.
Claims (8)
1. A thin-wall part machining method is characterized in that molten urea is fixedly connected to the outer surface of a thin-wall part to form a thick-wall fixing body, and a milling cutter is used for cutting residual materials on the inner side of the thin-wall part.
2. The thin-walled part machining method according to claim 1, comprising the following steps:
step (1), high-speed dry cutting, namely removing residual materials on one side of a thin-wall part by using a high-speed machine tool;
heating and melting a proper amount of urea for filling the filler, filling the molten urea to one side of the thin-wall part, from which the residual material is removed, and cooling to form a thick-wall solid body;
step (3), performing slotting machining, namely removing the residual material on the other side of the thin-wall part by adopting the slotting machining;
taking the part, taking down the thin-wall part and heating to melt the urea fixedly connected to the thin-wall part into liquid state and separate the liquid from the thin-wall part;
and (5) cleaning the thin-wall part separated from the urea.
3. A method for processing a thin-walled part according to claim 2, wherein in the step (2), the temperature for heating and melting the urea is 120 ℃.
4. A thin-walled part processing method according to claim 2, wherein in the step (3), the high-speed milling is adopted for slotting to remove the excess material on the other side of the thin-walled part.
5. The thin-walled part machining method according to claim 2, characterized in that in the step (3), the high-speed milling is adopted to perform the slotting machining under the working condition without adding the cutting fluid to remove the residual material on the other side of the thin-walled part.
6. The method for machining the thin-wall part, according to the claim 2, is characterized in that before the step (4), the rest of the residual material of the thin-wall part is removed by high-speed milling.
7. A method for processing a thin-walled part according to claim 2, wherein in the step (4), when the thin-walled part is heated to melt the urea, the heating temperature is 120 ℃.
8. A method for manufacturing a thin-walled part according to claim 2, wherein in step (4), the urea melted into a liquid state is recycled.
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CN202010008792.2A CN111151975A (en) | 2020-01-06 | 2020-01-06 | Thin-wall part machining method |
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CN202010008792.2A CN111151975A (en) | 2020-01-06 | 2020-01-06 | Thin-wall part machining method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114798567A (en) * | 2022-04-12 | 2022-07-29 | 中国电子科技集团公司第二十研究所 | Precise numerical control machining cleaning method for thin-wall parts and filler |
Citations (3)
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CN103203592A (en) * | 2012-12-20 | 2013-07-17 | 贵州黎阳航空动力有限公司 | Process method for improving rigidity of large titanium alloy ring groove thin-wall part |
CN105522206A (en) * | 2015-12-29 | 2016-04-27 | 湖南航天环宇通信科技股份有限公司 | Machining method for aluminum alloy thin-walled cavity part |
CN109773525A (en) * | 2018-12-21 | 2019-05-21 | 中国电子科技集团公司第十六研究所 | A kind of processing method based on metal class thin-walled fin structure |
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2020
- 2020-01-06 CN CN202010008792.2A patent/CN111151975A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103203592A (en) * | 2012-12-20 | 2013-07-17 | 贵州黎阳航空动力有限公司 | Process method for improving rigidity of large titanium alloy ring groove thin-wall part |
CN105522206A (en) * | 2015-12-29 | 2016-04-27 | 湖南航天环宇通信科技股份有限公司 | Machining method for aluminum alloy thin-walled cavity part |
CN109773525A (en) * | 2018-12-21 | 2019-05-21 | 中国电子科技集团公司第十六研究所 | A kind of processing method based on metal class thin-walled fin structure |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114798567A (en) * | 2022-04-12 | 2022-07-29 | 中国电子科技集团公司第二十研究所 | Precise numerical control machining cleaning method for thin-wall parts and filler |
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Application publication date: 20200515 |