CN105945523A - Machining method for thermal drawing die with complex profiles - Google Patents
Machining method for thermal drawing die with complex profiles Download PDFInfo
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- CN105945523A CN105945523A CN201610414657.1A CN201610414657A CN105945523A CN 105945523 A CN105945523 A CN 105945523A CN 201610414657 A CN201610414657 A CN 201610414657A CN 105945523 A CN105945523 A CN 105945523A
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- processing
- hole
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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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- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/01—Aircraft parts
Abstract
The invention discloses a machining method for a thermal drawing die with complex profiles. Various parts of the thermal drawing die in the aircraft manufacturing field are respectively machined, different machining methods are adopted for the different parts, and the technical problem that the machining accuracy cannot be guaranteed in the prior art is solved. According to the machining method, the machining accuracy can be guaranteed, and the machining efficiency can be improved.
Description
Technical field
The invention belongs to field of machining, be specifically related to the hot-stretch mould processing method of a kind of complex profile.
Background technology
In aircraft manufacturing field, the profile of hot-stretch mould is the most complex, there is smaller angle in profile and ground, greatly and structure is thin in surface curvature change, the upper profile gradient is more slow, and the lower profile gradient is relatively steep, and above structure causes difficulty of processing bigger, when using existing method entirety to be processed, it is difficult to while ensureing machining accuracy ensure working (machining) efficiency.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides the hot-stretch mould processing method of a kind of complex profile, all parts in hot-stretch mould in aircraft manufacturing field is processed respectively, use different processing methods for different accessory, solve present in prior art it cannot be guaranteed that the technical problem of machining accuracy.
To achieve these goals, the technical solution used in the present invention is: the processing method of the hot-stretch mould of complex profile, the steps include:
1), punch is processed: planer planing bottom surface, use digital machine processing punch surface afterwards, curved surface precipitous to punch top gentle curve and bottom is processed respectively, order is first up and then down, after punch surface measured by measured machine, use fine boring machine on the basis of the datum hole of digital control processing, process guide pillar hole, last pincers worker polishing digital control processing profile, and suspension ring hole processed；
2), blank holder is processed:
2a), planer process the hexahedro of blank holder by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement, and at blank holder bottom surface holding tool plate, for digital control processing clamping；
2b), numerical control extra bed processing blank holder outer mold surface, reference holes, dowel hole, type central cavity wire hole, for line cut wire, measuring machine measurement blank holder profile qualified after, removal tool plate；
2c), carrying out heat treatment, quench 57-60HRC, polishing profile and bottom surface after heat treatment, wire cutting machine tool processing blank holder central cavity, stretches polishing linear cutter profile after centering with digital control processing standard hole.
3), die is processed:
3a), planer process the hexahedro of die by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement, and hides die cavity in die bottom surface by holding tool plate, for digital control processing clamping；
3b), Digit Control Machine Tool processing: first two vertical sides of processing, as benchmark, processing die bottom surface is hidden groove, and made each pilot hole；
3c), on the basis of two vertical side face, turn-over continue processing, reference holes, and alignment pin hide hole；
3d), measuring machine measure qualified after, removal tool plate, heat treatment process, quenching 57-60HRC after, polishing profile and bottom surface.
4), the processing of head part plate:
4a), planer process the hexahedro of head part plate by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement；
4b), the spring nest of digital control processing head part plate bottom surface, and process face on the basis of two vertical side, at bottom surface installation tool plate after processing, for numerical control clamping；
4c), face, processing head part template face, reference holes, removal tool plate on the basis of two vertical side；
4d), heat treatment process, quench 39-43HRC, polishing profile afterwards, polishing bottom surface；
5), the processing of cope match-plate pattern:
5a), planer process the hexahedro of template by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement；
5b), ruling cope match-plate pattern surrounding chamfering and position, hole, guide pillar hole, rear comparison line carries out chamfering and the processing in guide pillar hole, uses guide pillar hole and the spring nest of fine boring machine cope match-plate pattern afterwards；
5c), according to die prepare each pilot hole, and the suspension ring hole of cope match-plate pattern processed；
6), general assembly: pincers worker collects each part, assembles according to drawing, and assembles pressure testing equipment, and pincers worker is polished the binding face of each part thus ensured the gap of each part binding face, it is ensured that pressure testing is qualified, fills suspension ring, hands over inspection；
Having the beneficial effects that of the invention: the invention provides the hot-stretch mould processing method of a kind of complex profile, all parts in hot-stretch mould in aircraft manufacturing field is processed respectively, use different processing methods for different accessory, solve present in prior art it cannot be guaranteed that the technical problem of machining accuracy.The inventive method is while ensureing machining accuracy, it is possible to increase working (machining) efficiency.
Accompanying drawing explanation
Fig. 1: for the structural representation of the invention convex mould.
Fig. 2: for the structural representation of blank holder in the invention.
Fig. 3: for the structural representation of die in the invention.
Fig. 4: for the structural representation of head part plate in the invention.
Fig. 5: for the structural representation of cope match-plate pattern in the invention.
Fig. 6: for the invention general construction schematic diagram.
Detailed description of the invention
The hot-stretch mould processing method of complex profile, the steps include:
1), punch 1 is processed: planer planing bottom surface, use digital machine processing punch surface afterwards, curved surface precipitous to punch top gentle curve and bottom is processed respectively, order is first up and then down, after punch 1 profile measured by measured machine, use fine boring machine on the basis of the datum hole of digital control processing, process guide pillar hole, last pincers worker polishing digital control processing profile, and suspension ring hole processed；
2), blank holder 2 is processed:
2a), planer process the hexahedro of blank holder 2 by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement, and at blank holder 2 bottom surface holding tool plate, for digital control processing clamping；
2b), numerical control extra bed processing blank holder 2 outer mold surface, reference holes, dowel hole, type central cavity wire hole, for line cut wire, measuring machine measurement blank holder profile qualified after, removal tool plate；
2c), carrying out heat treatment, quench 57-60HRC, polishing profile and bottom surface after heat treatment, wire cutting machine tool processing blank holder 2 central cavity, stretches polishing linear cutter profile after centering with digital control processing standard hole.
3), die 3 is processed:
3a), planer process the hexahedro of die 3 by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement, and hides die cavity in die 3 bottom surface by holding tool plate, for digital control processing clamping；
3b), Digit Control Machine Tool processing: first two vertical sides of processing, as benchmark, processing die (3) bottom surface is hidden groove, and made each pilot hole；
3c), on the basis of two vertical side face, turn-over continue processing, reference holes, and alignment pin hide hole；
3d), measuring machine measure qualified after, removal tool plate, heat treatment process, quenching 57-60HRC after, polishing profile and bottom surface.
4), the processing of head part plate 4:
4a), planer process the hexahedro of head part plate 4 by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement；
4b), the spring nest of digital control processing head part plate 4 bottom surface, and process face on the basis of two vertical side, at bottom surface installation tool plate after processing, for numerical control clamping；
4c), face, processing head part plate 4 profile, reference holes, removal tool plate on the basis of two vertical side；
4d), heat treatment process, quench 39-43HRC, polishing profile afterwards, polishing bottom surface；
5), the processing of cope match-plate pattern 5:
5a), planer process the hexahedro of cope match-plate pattern 5 by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement；
5b), ruling cope match-plate pattern 5 surrounding chamfering and position, hole, guide pillar hole, rear comparison line carries out chamfering and the processing in guide pillar hole, uses guide pillar hole and the spring nest of fine boring machine cope match-plate pattern 5 afterwards；
5c), according to die 3 prepare each pilot hole, and the suspension ring hole of cope match-plate pattern processed 5；
6), general assembly: pincers worker collects each part, assembles according to drawing, and assembles pressure testing equipment, and pincers worker is polished the binding face of each part thus ensured the gap of each part binding face, it is ensured that pressure testing is qualified, fills suspension ring, hands over inspection.
Claims (1)
1. the hot-stretch mould processing method of complex profile, the steps include:
1), punch (1) is processed: planer planing bottom surface, use digital machine processing punch surface afterwards, curved surface precipitous to punch top gentle curve and bottom is processed respectively, order is first up and then down, after punch (1) profile measured by measured machine, use fine boring machine on the basis of the datum hole of digital control processing, process guide pillar hole, last pincers worker polishing digital control processing profile, and suspension ring hole processed；
2), blank holder (2) is processed:
2a), planer process the hexahedro of blank holder (2) by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement, and at blank holder (2) bottom surface holding tool plate, for digital control processing clamping；
2b), numerical control extra bed processing blank holder (2) outer mold surface, reference holes, dowel hole, type central cavity wire hole, for line cut wire, measuring machine measurement blank holder profile qualified after, removal tool plate；
2c), carrying out heat treatment, quench 57-60HRC, polishing profile and bottom surface after heat treatment, wire cutting machine tool processing blank holder (2) central cavity, stretches polishing linear cutter profile after centering with digital control processing standard hole.
3), die (3) is processed:
3a), planer process the hexahedro of die (3) by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement, and hides die cavity in die (3) bottom surface by holding tool plate, for digital control processing clamping；
3b), Digit Control Machine Tool processing: first two vertical sides of processing, as benchmark, processing die (3) bottom surface is hidden groove, and made each pilot hole；
3c), on the basis of two vertical side face, turn-over continue processing, reference holes, and alignment pin hide hole；
3d), measuring machine measure qualified after, removal tool plate, heat treatment process, quenching 57-60HRC after, polishing profile and bottom surface.
4), the processing of head part plate (4):
4a), planer process the hexahedro of head part plate (4) by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement；
4b), the spring nest of digital control processing head part plate (4) bottom surface, and process face on the basis of two vertical side, at bottom surface installation tool plate after processing, for numerical control clamping；
4c), face, processing head part plate (4) profile, reference holes, removal tool plate on the basis of two vertical side；
4d), heat treatment process, quench 39-43HRC, polishing profile afterwards, polishing bottom surface；
5), the processing of cope match-plate pattern (5):
5a), planer process the hexahedro of cope match-plate pattern (5) by drawing, upper and lower surface stays grinding machine allowance 0.4-0.6mm；Grinding machine upper and lower surface is parallel, it is ensured that drawing dimensional requirement；
5b), ruling cope match-plate pattern (5) surrounding chamfering and position, hole, guide pillar hole, rear comparison line carries out chamfering and the processing in guide pillar hole, uses guide pillar hole and the spring nest of fine boring machine cope match-plate pattern (5) afterwards；
5c), according to die (3) prepare each pilot hole, and the suspension ring hole of cope match-plate pattern processed (5)；
6), general assembly: pincers worker collects each part, assembles according to drawing, and assembles pressure testing equipment, and pincers worker is polished the binding face of each part thus ensured the gap of each part binding face, it is ensured that pressure testing is qualified, fills suspension ring, hands over inspection.
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| CN201610414657.1A CN105945523B (en) | 2016-06-14 | 2016-06-14 | The hot-stretch mould processing method of complex profile |
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| CN201610414657.1A CN105945523B (en) | 2016-06-14 | 2016-06-14 | The hot-stretch mould processing method of complex profile |
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| CN105945523A true CN105945523A (en) | 2016-09-21 |
| CN105945523B CN105945523B (en) | 2018-08-21 |
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Citations (8)
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|---|---|---|---|---|
| WO1985002570A1 (en) * | 1983-12-06 | 1985-06-20 | Aren Bjoern | A method for manufacturing a tool suitable for cutting and/or shaping work, and a tool which has preferably been manufactured in accordance with the method |
| CN101062538A (en) * | 2006-04-25 | 2007-10-31 | 林承洋 | Method for manufacturing mould and its structure |
| CN102303221A (en) * | 2011-08-29 | 2012-01-04 | 西南铝业（集团）有限责任公司 | Method for processing female die with large square hole |
| CN102699647A (en) * | 2012-05-17 | 2012-10-03 | 宁波富信模胚有限公司 | Method for processing bi-color mold blank |
| CN103264269A (en) * | 2013-06-13 | 2013-08-28 | 沈阳飞机工业（集团）有限公司 | Processing method of long-narrow composite material molding part assembling mould |
| CN103272950A (en) * | 2013-06-14 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Machining process for narrow prolate irregular male die split parts of punching die |
| CN104438885A (en) * | 2014-09-24 | 2015-03-25 | 芜湖奕辰模具科技有限公司 | High-precision bending die manufacturing method |
| CN104607889A (en) * | 2015-01-13 | 2015-05-13 | 哈尔滨飞机工业集团有限责任公司 | Double-curved-surface forming die tool manufacturing method |
-
2016
- 2016-06-14 CN CN201610414657.1A patent/CN105945523B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985002570A1 (en) * | 1983-12-06 | 1985-06-20 | Aren Bjoern | A method for manufacturing a tool suitable for cutting and/or shaping work, and a tool which has preferably been manufactured in accordance with the method |
| CN101062538A (en) * | 2006-04-25 | 2007-10-31 | 林承洋 | Method for manufacturing mould and its structure |
| CN102303221A (en) * | 2011-08-29 | 2012-01-04 | 西南铝业（集团）有限责任公司 | Method for processing female die with large square hole |
| CN102699647A (en) * | 2012-05-17 | 2012-10-03 | 宁波富信模胚有限公司 | Method for processing bi-color mold blank |
| CN103264269A (en) * | 2013-06-13 | 2013-08-28 | 沈阳飞机工业（集团）有限公司 | Processing method of long-narrow composite material molding part assembling mould |
| CN103272950A (en) * | 2013-06-14 | 2013-09-04 | 沈阳飞机工业（集团）有限公司 | Machining process for narrow prolate irregular male die split parts of punching die |
| CN104438885A (en) * | 2014-09-24 | 2015-03-25 | 芜湖奕辰模具科技有限公司 | High-precision bending die manufacturing method |
| CN104607889A (en) * | 2015-01-13 | 2015-05-13 | 哈尔滨飞机工业集团有限责任公司 | Double-curved-surface forming die tool manufacturing method |
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| CN105945523B (en) | 2018-08-21 |
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