CN106624630B - Ultra-thin, super large arc panel machining process - Google Patents
Ultra-thin, super large arc panel machining process Download PDFInfo
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- CN106624630B CN106624630B CN201611078423.0A CN201611078423A CN106624630B CN 106624630 B CN106624630 B CN 106624630B CN 201611078423 A CN201611078423 A CN 201611078423A CN 106624630 B CN106624630 B CN 106624630B
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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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Abstract
Ultra-thin, super large arc panel the machining process of the present invention, carries out roughing first on planer；Secondly it is finished on CNC milling machine, in arcwall face process, workpiece bulge in order to control, it is pressed in a plurality of strip pressing plate is parallel on workpiece, the both ends of strip pressing plate are compressed by pressure plate, and it is fixed in the T-slot of square chest by follower bolt, strip pressing plate acts against arcwall face upper surface equipped with multiple puller bolts, by numerical control program, finish the cambered surface among strip pressing plate, after the completion, strip pressing plate is displaced to polished surface clamping, then finishes undressed cambered surface by numerical control program；Ultra-thin side is torn in order to control, and a mobile pressing plate is pressed at workpiece featheredge in finishing passes, and it is primary often to walk knife displacement；Workpiece is by thermogenetic deformation, in processing, cooling down workpiece of throwing cold water in order to control.The present invention controls the phenomenon that workpiece generates " bulge ", featheredge tearing, and quality increases substantially.
Description
Technical field
The present invention relates to mechanical processing technique, especially ultra-thin, super large arc panel processing method.
Background technology
Currently, domestic when processing ultra-thin, super large arc panel, the method generally taken is essentially, with model on planer
It is processed.Such processing method is difficult to control the phenomenon that workpiece generates " bulge ", the tearing of ultra-thin side, it is difficult to be wanted up to drawing
It asks.
Invention content
The technical problem to be solved by the present invention is to the deficiencies in the prior art, provide a kind of more advanced ultra-thin, super large
The machining process of arc panel.
To achieve the above object, the present invention is realized using following technical scheme：
Ultra-thin, super large arc panel machining process, the arc plate top surface are cambered surface, and bottom surface is plane, arc
Radius is more than 300000mm, and arc panel most featheredge thickness is less than 0.5mm；It is characterized in that, the processing method of the arc panel：It is first
Roughing is first carried out on planer；Secondly it is finished on CNC milling machine, specific procedure of processing is as follows：
S1：Each face of metal-planing machine roughing arc panel：
The faces roughing arcwall face B and the baseplane faces A are plane on metal-planing machine, first by the faces A towards workbench, the faces B
It is loaded to machine tool chief axis, roughing arcwall face, single side stays 3-4mm surpluses, and workpiece turning 180 degree, the faces B are towards workbench, the faces A face
It is loaded to machine tool chief axis, the faces roughing A, single side stays 12-13mm surpluses, workpiece to overturn 180 degree again, and the faces A are towards workbench, B
Face is loaded towards machine tool chief axis, processing B faces, and single side stays 1-2mm surpluses, and workpiece overturns again 180 degree, the faces B towards workbench,
The faces A are loaded towards machine tool chief axis, and the faces processing A, single side stays 7-8mm surpluses；
S2：Heat treatment：The processing of workpiece stress-removal；
S3：Vertical numerical control boring and milling machine finishes：
Square chest is put and is fixed on the table, upper plane machining is shown in flat, and the faces workpiece B are towards workbench, and the faces A are towards lathe
Main shaft is loaded, and the faces finishing A, processing removal amount is 3-4mm, simultaneously, it is ensured that the faces B single side has 5-6mm surpluses, workpiece turning
180 °, the faces A are loaded towards workbench, the faces B towards machine tool chief axis, and finishing periphery is found just by periphery, is then finished to arc again
Shape face uses following methods in arcwall face process：
1) workpiece bulge in order to control is pressed in a plurality of strip pressing plate is parallel on workpiece, and the both ends of strip pressing plate are by pressure plate
It compresses, and is fixed in the T-slot of square chest by follower bolt, strip pressing plate is acted against equipped with multiple puller bolts on arcwall face
Surface is finished the cambered surface among strip pressing plate and strip pressing plate is displaced to polished surface after the completion by numerical control program
Clamping, then finish undressed cambered surface by numerical control program；
2) ultra-thin side is torn in order to control, and a mobile pressing plate is pressed at workpiece featheredge in finishing passes, often walks a knife
Displacement is primary；
3) workpiece is by thermogenetic deformation in order to control, in processing, cooling down workpiece of throwing cold water on.
Compared with prior art, the beneficial effects of the invention are as follows：
Ultra-thin, super large arc panel machining process controls the phenomenon that workpiece generates " bulge ", featheredge tearing, matter
Amount increases substantially.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment.
Fig. 2 is metal-planing machine roughing schematic diagram.
Fig. 3 is vertical numerical control boring and milling machine Working position schematic diagram.
Fig. 4 is that vertical numerical control boring and milling machine processes cambered surface clamping position schematic diagram.
Fig. 5 is that arc panel processes cambered surface clamping schematic diagram.
Fig. 6 is that arc panel processes cambered surface clamping diagrammatic side view.
In figure：Pressure plate 1, workpiece 2, strip pressing plate 3, square chest 4, follower bolt 5, puller bolt 6, mobile pressing plate 7.
Specific implementation mode
The specific implementation mode of the present invention is further illustrated below in conjunction with the accompanying drawings：
Embodiment：
Such as Fig. 1, arc panel workpiece size is 2580*1300, and arc plate top surface is cambered surface, and bottom surface is plane, the radius of arc
See Fig. 1 for R317576mm, webbing thickness 42mm, featheredge thickness 0.4mm.The processing method of arc panel：It is enterprising in planer first
Row roughing；Secondly it is finished on CNC milling machine, specific processing method is as follows：
S1：Metal-planing machine roughing：
1) platform is that planer marks centering line and length processing line；
2) faces metal-planing machine first piece arcwall face B and the baseplane faces A are plane, the faces A towards workbench, the faces B towards
Machine tool chief axis is loaded, and sees Fig. 2；
3) by line look for it is each just, error be less than 0.2mm；
4) faces processing B, single side stay 3mm surpluses, roughness Ra6.3 to do lower step centering benchmark certainly, see bright；
5) workpiece turning 180 degree, the faces B are loaded towards workbench, the faces A towards machine tool chief axis；
6) by being centering benchmark centering, error little Yu 0.05mm certainly；
7) faces processing A, single side stay 12mm surpluses, roughness Ra6.3；
8) workpiece turning 180 degree, the faces A are loaded towards workbench, the faces B towards machine tool chief axis；
9) centering benchmark centering, error little Yu 0.05mm are by machined surface and certainly；
10) faces roughing B, single side stay 1mm surpluses, roughness Ra6.3；
11) workpiece turning 180 degree, the faces B are loaded towards workbench, the faces A towards machine tool chief axis；
12) by being centering benchmark centering, error little Yu 0.05mm certainly；
13) faces roughing A, single side stay 7mm surpluses, roughness Ra6.3；
S2：Heat treatment：The processing of workpiece stress-removal；
S3：Vertical numerical control boring and milling machine finishes：
1) each portion's processing line is drawn again by figure and check blank deformation；
2) use digital-control boring-milling machine finish, square chest is put on the table, is fixed, upper plane machining see it is flat, it is coarse
Angle value is Ra3.2, and flatness error is less than 0.02mm；
3) faces B are loaded towards workbench, the faces A towards machine tool chief axis, see Fig. 3；
4) line centering is pressed, error is less than 0.1mm；
5) finishing A faces, processing removal amount are 3mm, roughness Ra6.3, flatness error less than 0.02mm, meanwhile,
Ensure that the faces B single side there are 5mm surpluses, does lower step centering benchmark certainly；
6) 180 ° of workpiece turning, the faces A are loaded towards workbench, the faces B towards machine tool chief axis；
7) it is found just by centering benchmark, error is less than 0.05mm；
8) finishing periphery；
9) it is found just by periphery again, error is less than 0.05mm；
10) workpiece bulge in order to control is pressed in 5 strip pressing plates 3 are parallel on workpiece 2, and the both ends of strip pressing plate 3 are by compressing
Plate 1 compresses, and is fixed in the T-slot of square chest 4 by follower bolt 5, and strip pressing plate 3 acts against B equipped with multiple puller bolts 6
Face upper surface, by numerical control program, strip pressing plate 3 is displaced to finishing by the cambered surface among finishing strip pressing plate 3 after the completion
The clamping of work surface, then finish undressed cambered surface by numerical control program；
Ultra-thin side is torn in order to control, and a mobile pressing plate 7 is pressed at workpiece featheredge in finishing passes, often walks knife shifting
Position is primary；When there is 0.3mm surpluses, cutting data is selected as：The depth of cut (0.05-0.1) mm, revolution S=400r/min, into
To F=350-300mm/min, Fig. 4-Fig. 6 is seen.
11) workpiece is by thermogenetic deformation in order to control, in processing, cooling down workpiece of throwing cold water on.
Described above is only the basic principle of the present invention, is not imposed any restrictions to the present invention, every right according to the present invention
It carries out equivalent variations and modification, within the scope of the art of this patent protection scheme.
Claims (1)
1. the machining process of ultra-thin super large arc panel, the arc plate top surface is cambered surface, and bottom surface is plane, the half of arc
Diameter is more than 300000mm, and arc panel most featheredge thickness is less than 0.5mm；It is characterized in that, the processing method of the arc panel：First
Roughing is carried out on planer；Secondly it is finished on CNC milling machine, specific procedure of processing is as follows：
S1：Each face of metal-planing machine roughing arc panel：
The faces roughing arcwall face B and the baseplane faces A are plane on metal-planing machine, and first by the faces A towards workbench, B is towards machine
Bed main shaft is loaded, and roughing arcwall face, single side stays 3-4mm surpluses, and workpiece turning 180 degree, the faces B are towards workbench, and the faces A are towards machine
Bed main shaft is loaded, and the faces roughing A, single side stays 12-13mm surpluses, workpiece to overturn 180 degree again, and the faces A are towards workbench, the faces B face
It is loaded to machine tool chief axis, the faces processing B, single side stays 1-2mm surpluses, workpiece to overturn 180 degree again, and the faces B are towards workbench, the faces A
It is loaded towards machine tool chief axis, the faces processing A, single side stays 7-8mm surpluses；
S2：Heat treatment：The processing of workpiece stress-removal；
S3：Vertical numerical control boring and milling machine finishes：
Square chest is put and is fixed on the table, upper plane machining is shown in flat, and the faces workpiece B are towards workbench, and the faces A are towards machine tool chief axis
It is loaded, the faces finishing A, processing removal amount is 3-4mm, simultaneously, it is ensured that the faces B single side has 5-6mm surpluses, 180 ° of workpiece turning, A
Face is loaded towards workbench, the faces B towards machine tool chief axis, and finishing periphery is found just by periphery, is then finished to arcwall face again,
Following methods are used in arcwall face process：
1) workpiece bulge in order to control is pressed in a plurality of strip pressing plate is parallel on workpiece, and the both ends of strip pressing plate are compressed by pressure plate,
And be fixed in the T-slot of square chest by follower bolt, strip pressing plate acts against arcwall face upper surface equipped with multiple puller bolts,
By numerical control program, finishes the cambered surface among strip pressing plate and strip pressing plate is displaced to polished surface clamping after the completion,
Undressed cambered surface is finished by numerical control program again；
2) ultra-thin side is torn in order to control, and a mobile pressing plate is pressed at workpiece featheredge in finishing passes, often walks knife displacement
Once；
3) workpiece is by thermogenetic deformation in order to control, in processing, cooling down workpiece of throwing cold water on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611078423.0A CN106624630B (en) | 2016-11-30 | 2016-11-30 | Ultra-thin, super large arc panel machining process |
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| CN201611078423.0A CN106624630B (en) | 2016-11-30 | 2016-11-30 | Ultra-thin, super large arc panel machining process |
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| CN106624630B true CN106624630B (en) | 2018-09-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110900121A (en) * | 2019-11-04 | 2020-03-24 | 潍坊市凯隆机械有限公司 | Processing method of static pressure line double-arm sand box |
| CN112139572B (en) * | 2020-08-21 | 2022-03-08 | 华翔翔能科技股份有限公司 | Planer-milling machine is used in transformer production |
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| CN101670462A (en) * | 2009-09-29 | 2010-03-17 | 江西洪都航空工业集团有限责任公司 | Wall plate processing technology for hyperboloid thin wall |
| CN102528501A (en) * | 2012-02-18 | 2012-07-04 | 沈阳飞机工业（集团）有限公司 | Dimension correction device in large double-curved surface plate part processing and method thereof |
| CN102672482A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Fixture for processing arc-shaped grooves |
| CN202780517U (en) * | 2012-06-06 | 2013-03-13 | 沈阳飞机工业（集团）有限公司 | Large thin-walled workpiece vacuum milling fixture |
| CN204295313U (en) * | 2014-11-24 | 2015-04-29 | 杭州天扬机械有限公司 | Thin-wall part auxiliary support mechanism |
| CN105689990A (en) * | 2014-11-26 | 2016-06-22 | 无锡市欧德机械制造有限公司 | Manufacturing method for efficient positioning clamp for column drilling |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7303641B2 (en) * | 2002-12-03 | 2007-12-04 | Hunter Douglas Inc. | Method for fabricating cellular structural panels |
| US20100122461A1 (en) * | 2008-11-20 | 2010-05-20 | Constantinos Minas | Compact spring loaded fuel cell monopolar stack |
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2016
- 2016-11-30 CN CN201611078423.0A patent/CN106624630B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670462A (en) * | 2009-09-29 | 2010-03-17 | 江西洪都航空工业集团有限责任公司 | Wall plate processing technology for hyperboloid thin wall |
| CN102528501A (en) * | 2012-02-18 | 2012-07-04 | 沈阳飞机工业（集团）有限公司 | Dimension correction device in large double-curved surface plate part processing and method thereof |
| CN102672482A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Fixture for processing arc-shaped grooves |
| CN202780517U (en) * | 2012-06-06 | 2013-03-13 | 沈阳飞机工业（集团）有限公司 | Large thin-walled workpiece vacuum milling fixture |
| CN204295313U (en) * | 2014-11-24 | 2015-04-29 | 杭州天扬机械有限公司 | Thin-wall part auxiliary support mechanism |
| CN105689990A (en) * | 2014-11-26 | 2016-06-22 | 无锡市欧德机械制造有限公司 | Manufacturing method for efficient positioning clamp for column drilling |
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