CN104625178B - The processing method of machining high-precision angle and the board-like part of symmetry - Google Patents
The processing method of machining high-precision angle and the board-like part of symmetry Download PDFInfo
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- CN104625178B CN104625178B CN201410785806.6A CN201410785806A CN104625178B CN 104625178 B CN104625178 B CN 104625178B CN 201410785806 A CN201410785806 A CN 201410785806A CN 104625178 B CN104625178 B CN 104625178B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The present invention relates to the processing method of a kind of machining high-precision angle and the board-like part of symmetry, comprises the following steps：1）The making of frock：Rectangular block of the area more than position to be processed is equally divided into into two pieces in thickness direction, the cavity equal with board-like part thickness is provided with the top of rectangular block divisional plane, the upper end of cavity is provided with the hollow out through hole for being inverted water-drop-shaped, and hollow out lead to the hole site is corresponding with position to be processed；2）The positioning of part：Region to be processed is exposed in the through hole of processing district, and carries out clamping and positioning；3）The preparation of milling cutter：Prepare roughing milling cutter, semifinishing milling cutter and finishing cutter respectively；4）Frock centering；5）Roughing, semifinishing and the polish of board-like part are carried out successively.The process of the machining accuracy of the angle and symmetry of empennage is improved by the method, is not only increased the qualification rate of part, and is substantially increased work production efficiency, reduces the labor intensity and production and processing cost of workman.
Description
Technical field
The present invention relates to the processing method of a kind of machining high-precision angle and the board-like part of symmetry, belongs to a kind of technique side
Method.
Background technology
Certain model empennage product material is aluminium alloy 7A04-T6, and the shape of part is complex, so in the course of processing
In easily cause the size of part and can not meet drawing requirement, so as to have influence on the qualification rate of accessory size.The model empennage is produced
Product are produced from the development stage to sizing batch, always are and coordinate special tooling to be processed using wire cutting machine tool, although Neng Goujia
Work goes out qualified parts, but either qualification rate or work efficiency are all very low, not only have impact on the production cycle, while also result in
Waste in resource.The processing method of the part always perplexs the bottleneck problem of our factory production for a long time.
The content of the invention
The technical problem to be solved in the present invention is to provide the processing of a kind of machining high-precision angle and the board-like part of symmetry
The process of the machining accuracy of the angle and symmetry of empennage is improved by method, the method, not only increases the qualified of part
Rate, and work production efficiency is substantially increased, reduce the labor intensity and production and processing cost of workman.
To solve problem above, the concrete technical scheme of the present invention is as follows：A kind of machining high-precision angle and symmetry plate
The processing method of formula part, comprises the following steps：
1）The making of frock：Rectangular block of the area more than position to be processed is equally divided into into two pieces in thickness direction, in square
The top of shape block divisional plane is provided with the cavity equal with board-like part thickness, and the upper end of cavity is provided with is inverted the hollow out of water-drop-shaped and leads to
Hole, hollow out lead to the hole site are corresponding with position to be processed, and in hollow out lead to the hole site horizontally set processing district through hole, processing district area is big
In the size of board-like part technical requirements to be processed；
2）The positioning of part：The location hole of Triangle-Profile is provided with the surface of frock, by location hole and vertical processing
Then region to be processed is exposed in the divisional plane of frock by central apparatus connection positioning by board-like parts fixation to be processed
In the through hole of processing district, and carry out clamping and positioning；
3）The preparation of milling cutter：Prepare roughing milling cutter, semifinishing milling cutter and finishing cutter respectively, wherein heavy-duty cutter
Cutter tooth side non-angular；The cutter tooth side of semifinishing milling cutter is angled, and leaves allowance；Finishing cutter cutter tooth side
Angled, its profile is consistent with shape to be processed, and ensures High-precision angle and symmetry；
4）Frock centering：Adopting carries out frock upper surface detection for the detection table of horizontal plane dial framework with bottom surface, takes some
Individual point, it is ensured that the integral level of frock；
5）Successively with roughing milling cutter, semifinishing milling cutter and finishing cutter clamping in vertical machining centre main shaft, successively
Carry out roughing, semifinishing and the polish of board-like part.
The processing method of the machining high-precision angle and the board-like part of symmetry of the present invention carries out zero using split frock
The clamping of part, then ensure frock clamping level, you can ensures parts to be processed position level.Carried out using measurement table before processing
Horizontal survey, further ensures machining accuracy.Different milling cutters is carried out roughing, semifinishing and finishing using three simultaneously
Work, it is therefore prevented that the deformation of part, it is ensured that the quality of product.
Description of the drawings
Fig. 1 is High-precision angle to be processed and the board-like part of symmetry.
Partial enlarged drawings of the Fig. 2 for Fig. 1.
Front views of the Fig. 3 for frock.
Side views of the Fig. 4 for frock.
Fig. 5 is the schematic diagram that measurement table measures levelness.
Fig. 6 is stocking cutter schematic diagram.
Fig. 7 is semifinishing milling cutter schematic diagram.
Fig. 8 is polish milling cutter schematic diagram.
Specific embodiment
A kind of processing method of machining high-precision angle and the board-like part of symmetry, as depicted in figs. 1 and 2, part thickness
Thinnest part only 1.6mm, board-like part processing to be processed totally three transverse notch with 8 ° ± 8 ' of size, Geometrical Tolerance Principle compared with
Tight symmetry requires that 0.025, perpendicularity requires that 0.02, part machined surface roughness is 0.8, groove width 3.2H8, including following step
Suddenly：
1）The making of frock：As shown in Figure 3 and Figure 4, the rectangular block by area more than position to be processed is adopted in thickness direction
Two pieces are equally divided into wire cutting, the cavity 1 equal with board-like part thickness, cavity 1 are provided with the top of rectangular block divisional plane
Upper end be provided with the hollow out through hole 2 for being inverted water-drop-shaped, 2 position of hollow out through hole is corresponding with position to be processed, in hollow out lead to the hole site
Horizontally set processing district through hole 3, size of the processing district area more than board-like part transverse notch；
2）The positioning of part：The location hole 4 of Triangle-Profile is provided with the surface of frock, is added with vertical by location hole 4
Then region to be processed is exposed in the divisional plane of frock by work central apparatus connection positioning by board-like parts fixation to be processed
In processing district through hole 3, and carry out clamping and positioning；
3）The preparation of milling cutter：As shown in Figure 6 to 8, roughing milling cutter, semifinishing milling cutter and finishing cutter are prepared respectively,
The wherein cutter tooth side non-angular of heavy-duty cutter, milling cutter width are less than notch minimum dimension；The cutter tooth side of semifinishing milling cutter
The angled angle in face is 8 ° ± 4 ', and leaves allowance；Finishing cutter cutter tooth side is angled, its profile and shape to be processed
Shape is consistent, and ensures High-precision angle and symmetry；
4）Frock centering：As shown in figure 5, adopt there is bottom surface to carry out frock upper surface inspection for the detection table of horizontal plane dial framework
Survey, can take a little across an arbitrary notch is taken, the difference of two values of gained is less than or equal to 0.01mm, that is, ensure the overall water of frock
It is flat；
5）Successively with roughing milling cutter as shown in Figure 6 to 8, semifinishing milling cutter and finishing cutter clamping in vertical processing
On central principal axis, roughing, semifinishing and the polish of board-like part are carried out successively.
Claims (1)
1. the processing method of a kind of machining high-precision angle and the board-like part of symmetry, it is characterised in that comprise the following steps：
1）The making of frock：Rectangular block of the area more than position to be processed is equally divided into into two pieces in thickness direction, in rectangular block
The top of divisional plane is provided with the cavity equal with board-like part thickness, and the upper end of cavity is provided with the hollow out through hole for being inverted water-drop-shaped,
Hollow out lead to the hole site is corresponding with position to be processed, and in hollow out lead to the hole site horizontally set processing district through hole, processing district area is more than
The size of board-like part technical requirements to be processed；
2）The positioning of part：The location hole of Triangle-Profile is provided with the surface of frock, by location hole and vertical machining centre
Region to be processed, then by board-like parts fixation to be processed in the divisional plane of frock, is exposed at processing by equipment connection positioning
In area's through hole, and carry out clamping and positioning；
3）The preparation of milling cutter：Prepare heavy-duty cutter, semifinishing milling cutter and finishing cutter respectively, wherein heavy-duty cutter
Cutter tooth side non-angular；The cutter tooth side of semifinishing milling cutter is angled, and leaves allowance；Finishing cutter cutter tooth side
Angled, its profile is consistent with shape to be processed, and ensures High-precision angle and symmetry；
4）Frock centering：Adopting carries out frock upper surface detection for the detection table of horizontal plane dial framework with bottom surface, takes several points,
Ensure the integral level of frock；
5）Successively with heavy-duty cutter, semifinishing milling cutter and finishing cutter clamping in vertical machining centre main shaft, successively
Carry out roughing, semifinishing and the polish of board-like part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785806.6A CN104625178B (en) | 2014-12-18 | 2014-12-18 | The processing method of machining high-precision angle and the board-like part of symmetry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785806.6A CN104625178B (en) | 2014-12-18 | 2014-12-18 | The processing method of machining high-precision angle and the board-like part of symmetry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625178A CN104625178A (en) | 2015-05-20 |
| CN104625178B true CN104625178B (en) | 2017-03-29 |
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| CN201410785806.6A Active CN104625178B (en) | 2014-12-18 | 2014-12-18 | The processing method of machining high-precision angle and the board-like part of symmetry |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841992B (en) * | 2015-05-22 | 2017-05-10 | 常州信息职业技术学院 | Method for machining shaft-end flat head |
| CN113001125A (en) * | 2021-03-19 | 2021-06-22 | 沈阳万事达机械有限公司 | Process flow of empennage framework |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5993211A (en) * | 1982-11-17 | 1984-05-29 | Mitsui Eng & Shipbuild Co Ltd | Processing method for large slope of cut section of plate material |
| CN101602122B (en) * | 2009-07-15 | 2011-01-19 | 天津商业大学 | Precision numerical control milling method for thin-wall parts |
| CN102350524B (en) * | 2011-08-25 | 2012-11-28 | 沈阳飞机工业（集团）有限公司 | Milling processing method for inner molding surface of opening end head of thin-walled structural member |
| CN103042262B (en) * | 2013-01-05 | 2014-10-22 | 南京航空航天大学 | Integrated finish machining method for inner profile and corner of pocket |
| CN103264182B (en) * | 2013-05-02 | 2015-07-15 | 中国葛洲坝集团股份有限公司 | Processing method for special-shaped curved-surface steel plate washers during on-site assembling and shrink fitting of high-rating generator rotor |
| CN103769660A (en) * | 2013-12-20 | 2014-05-07 | 柳州正菱集团有限公司 | Processing method for rough milling of inner side surface of automobile spring ring |
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