CN102513795B - Arc opening part machining process - Google Patents
Arc opening part machining process Download PDFInfo
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- CN102513795B CN102513795B CN2011104547979A CN201110454797A CN102513795B CN 102513795 B CN102513795 B CN 102513795B CN 2011104547979 A CN2011104547979 A CN 2011104547979A CN 201110454797 A CN201110454797 A CN 201110454797A CN 102513795 B CN102513795 B CN 102513795B
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Abstract
The invention discloses an arc opening part machining process, which includes the steps: 1 performing high-temperature aging treatment for an annular workpiece to remove stress after roughly machining the annular workpiece; 2 cutting an opening on the workpiece and connecting two ends of the opening through a connecting block; 3 performing finish machining for the workpiece; and 4 cutting off redundant arc sections on the workpiece to obtain a corresponding arc opening part. Most of stress in the workpiece is removed after high-temperature aging treatment, part of residual stress in the workpiece is removed by arranging the opening before finish machining, the redundant arc sections are cut off after finish machining, and the obtained arc opening part is extremely small in deformation, so that the arc opening part manufactured by the arc opening part machining process can meet the requirement on precision.
Description
Technical field
The present invention relates to a kind of arc opening part machining process.
Background technology
The processing method of existing arc opening part is generally after workpiece fine finishining is annular finished product, cut again as the arc opening part,, because there is mechanical stress in inside workpiece, cause the part opening after incision to open or shrink, produce moderate finite deformation, can't meet processing request.Particularly in processing sector part, after the sector workpiece is processed profile of tooth by fine finishining, then cutting opening, the distortion meeting of opening part causes larger impact to the precision of profile of tooth, makes the sector part not reach designing requirement, and percent defective is higher.
Given this, the present invention is intended to explore a kind of arc opening part machining process, this arc opening part machining process can effectively reduce the stress deformation of arc opening part, makes the arc opening part that adopts this arc opening part machining process making to obtain can meet required precision.
Summary of the invention
The technical problem to be solved in the present invention is to propose a kind of arc opening part machining process, this arc opening part machining process can effectively reduce the stress deformation of arc opening part, makes the arc opening part that adopts this arc opening part machining process making to obtain can meet required precision.
Realize above-mentioned technical purpose, arc opening part machining process of the present invention, comprise the steps:
1) annular workpieces being carried out high-temperature aging after roughing processes;
2) cut an opening on workpiece, and with contiguous block, described opening is coupled together;
3) workpiece being carried out fine finishining processes;
4) cut away segmental arc unnecessary on workpiece, obtain corresponding arc opening part.
Further, the described the 1st) in step, the temperature range that high-temperature aging is processed is 520 ℃ ~ 560 ℃;
Further, the described the 2nd) in step, the processing plane respectively at described opening two ends, be connected described contiguous block respectively, and play finger setting with two planes;
Further, the described the 3rd) in step, workpiece fine finishining is processed and is comprised the twice semifinishing with fine finishining, and also workpiece is carried out aging of middle temperature and process after the first semifinishing, after the second semifinishing, workpiece is carried out the low temperature aging processing;
Further, the temperature of described aging of middle temperature processing is 340 ℃ ~ 465 ℃;
Further, the temperature of described low temperature aging processing is 160 ℃ ~ 240 ℃.
Beneficial effect of the present invention is:
1, arc opening part machining process of the present invention is after carrying out high-temperature aging processing removal stress after workpiece roughing, establish an opening on workpiece, with contiguous block, the workpiece openings two ends are coupled together and carry out fine finishining again, due to most of stress of having removed after the high-temperature aging processing in workpiece, by established opening before fine finishining, the part residual stress in workpiece is removed again, cut away unnecessary segmental arc after fine finishining, the distortion of the arc opening part that obtains is very little, therefore, arc opening part machining process of the present invention can effectively reduce the stress deformation of arc opening part, make the arc opening part that adopts this arc opening part machining process making to obtain can meet required precision,
2, arrange the twice semifinishing with fine finishining to workpiece, and respectively workpiece is carried out aging of middle temperature processing and low temperature aging processing after the twice semifinishing of front and back, can eliminate more up hill and dale workpiece stress, reduce workpiece deformation.
Description of drawings
Fig. 1 is for adopting the opening schematic diagram in arc opening part machining process processing sector part process of the present invention;
The sector design of part schematic diagram that Fig. 2 adopts the arc opening part machining process of the present embodiment to obtain.
The specific embodiment
Below the specific embodiment of the present invention is elaborated.
The arc opening part machining process of the present embodiment, comprise the steps:
1) annular workpieces is carried out high-temperature aging after roughing and process, preferred, the temperature range that described high-temperature aging is processed is 520 ℃ ~ 560 ℃, can eliminate the internal stress that workpiece forms because of roughing;
2) cut an opening on workpiece, and with contiguous block, described opening is coupled together, the not concrete restriction of the size of opening, can conveniently connect with follow-up machined and get final product;
3) workpiece being carried out fine finishining processes;
4) cut away segmental arc unnecessary on workpiece, obtain corresponding arc opening part.
the arc opening part machining process of the present embodiment is after carrying out high-temperature aging processing removal stress after workpiece roughing, offer a mouth on workpiece, with contiguous block, the workpiece openings two ends are coupled together and carry out fine finishining again, due to most of stress of having removed after the high-temperature aging processing in workpiece, by established opening before fine finishining, the part residual stress in workpiece is removed again, unnecessary segmental arc is cut away in fine finishining again, the distortion of the arc opening part that obtains is very little, therefore, arc opening part machining process of the present invention can effectively reduce the stress deformation of arc opening part, make the arc opening part that adopts this arc opening part machining process making to obtain can meet required precision.
Further, the described the 2nd) in step, the processing plane respectively at described opening two ends, be connected described contiguous block respectively, and play finger setting with two planes.By at opening two ends processing plane and play finger setting, not only facilitate contiguous block to be connected with the workpiece openings two ends, and make between contiguous block and workpiece openings two ends to be connected precision higher, prevent that the active force between contiguous block and workpiece from causing workpiece deformation.
Further, the described the 3rd) in step, workpiece fine finishining is processed and is comprised that the twice semifinishing is with fine finishining, and also workpiece being carried out aging of middle temperature after the first semifinishing processes, after the second semifinishing, workpiece being carried out low temperature aging processes, the temperature that aging of middle temperature is processed is 340 ℃ ~ 465 ℃, and the temperature that low temperature aging is processed is 160 ℃ ~ 240 ℃.Arrange the twice semifinishing with fine finishining to workpiece, and respectively workpiece is carried out aging of middle temperature processing and low temperature aging processing after the twice semifinishing of front and back, can eliminate more up hill and dale workpiece stress, reduce workpiece deformation.
Below introduce the specific embodiment that adopts above-mentioned arc opening part machining process processing sector part.
The sector part is semicircular arc opening thin part, as shown in Figure 1, and for adopting the opening schematic diagram in arc opening part machining process processing sector part process of the present invention; The sector design of part schematic diagram that Fig. 2 adopts the arc opening part machining process of invention to obtain.
Embodiment one
The technique that the present embodiment adopts above-mentioned arc opening part machining process processing sector part to add comprises the steps:
1) with sector workpiece 1 rough turn and rough mill after carry out high-temperature aging and process, the temperature that high-temperature aging is processed is 540 ℃, by high-temperature aging, processes and can eliminate the interior stress of workpiece 1;
2) cut an opening 2 on sector workpiece 1, and in the opening both sides, with milling machine, process respectively two connection planes 3, connect on plane and offer respectively threaded connection hole 4 and pin-and-hole 5 two, and with contiguous block, described opening 1 two ends are coupled together, and play finger setting, by in opening 2 two ends processing, connecting plane 3 and play finger setting, not only facilitate contiguous block to be connected with workpiece openings 2 two ends, and make between contiguous block and workpiece openings 2 two ends to be connected precision higher, prevent that the active force between contiguous block and workpiece 1 from causing workpiece deformation, the not concrete restriction of the size of opening 2, can facilitate contiguous block connection and follow-up machined to get final product,
3) sector workpiece 1 being carried out fine finishining processes: sector workpiece 1 fine finishining of the present embodiment comprises that the twice semifinishing is with fine finishining, and also the sector workpiece being carried out aging of middle temperature after the first semifinishing processes, after the second semifinishing, the sector workpiece being carried out low temperature aging processes, the temperature that aging of middle temperature is processed is 450 ℃, and the temperature that low temperature aging is processed is 180 ℃; Arrange the twice semifinishing with fine finishining to sector workpiece 1, not only machining accuracy is higher, and respectively workpiece is carried out aging of middle temperature processing and low temperature aging processing after the twice semifinishing of front and back, and can eliminate more up hill and dale workpiece stress, reduce workpiece deformation;
4) cut away the sector workpiece 1 unnecessary segmental arc in opening two ends, obtain corresponding arc opening part.
the arc opening part machining process of the present embodiment carries out high-temperature aging and processes removal stress after 1 roughing of sector workpiece, establish an opening 2 on workpiece, with contiguous block, workpiece openings 2 two ends are coupled together and carry out fine finishining again, due to most of stress of having removed after the high-temperature aging processing in workpiece, by established opening 2 before fine finishining, the part residual stress in workpiece is removed again, cut away unnecessary segmental arc after fine finishining, the distortion of the arc opening part that obtains is very little, therefore, the arc opening part machining process of the present embodiment can effectively reduce the stress deformation of arc opening part, make the arc opening part that adopts this arc opening part machining process making to obtain can meet required precision.
Embodiment two
The technique that the present embodiment adopts above-mentioned arc opening part machining process processing sector part to add comprises the steps:
1) with sector workpiece 1 rough turn and rough mill after carry out high-temperature aging and process, the temperature that high-temperature aging is processed is 520 ℃, by high-temperature aging, processes and can eliminate the interior stress of workpiece 1;
2) cut an opening 2 on sector workpiece 1, and in the opening both sides, with milling machine, process respectively two connection planes 3, connect on plane and offer respectively threaded connection hole 4 and pin-and-hole 5 two, and with contiguous block, described opening 1 two ends are coupled together, and play finger setting, by in opening 2 two ends processing, connecting plane 3 and play finger setting, not only facilitate contiguous block to be connected with workpiece openings 2 two ends, and make between contiguous block and workpiece openings 2 two ends to be connected precision higher, prevent that the active force between contiguous block and workpiece 1 from causing workpiece deformation, the not concrete restriction of the size of opening 2, can facilitate contiguous block connection and follow-up machined to get final product,
3) sector workpiece 1 being carried out fine finishining processes: sector workpiece 1 fine finishining of the present embodiment comprises that the twice semifinishing is with fine finishining, and also the sector workpiece being carried out aging of middle temperature after the first semifinishing processes, after the second semifinishing, the sector workpiece being carried out low temperature aging processes, the temperature that aging of middle temperature is processed is 465 ℃, and the temperature that low temperature aging is processed is 240 ℃; Arrange the twice semifinishing with fine finishining to sector workpiece 1, not only machining accuracy is higher, and respectively workpiece is carried out aging of middle temperature processing and low temperature aging processing after the twice semifinishing of front and back, and can eliminate more up hill and dale workpiece stress, reduce workpiece deformation;
4) cut away the sector workpiece 1 unnecessary segmental arc in opening two ends, obtain corresponding arc opening part.
the arc opening part machining process of the present embodiment carries out high-temperature aging and processes removal stress after 1 roughing of sector workpiece, establish an opening 2 on workpiece, with contiguous block, workpiece openings 2 two ends are coupled together and carry out fine finishining again, due to most of stress of having removed after the high-temperature aging processing in workpiece, by established opening 2 before fine finishining, the part residual stress in workpiece is removed again, cut away unnecessary segmental arc after fine finishining, the distortion of the arc opening part that obtains is very little, therefore, the arc opening part machining process of the present embodiment can effectively reduce the stress deformation of arc opening part, make the arc opening part that adopts this arc opening part machining process making to obtain can meet required precision.
Embodiment three
The technique that the present embodiment adopts above-mentioned arc opening part machining process processing sector part to add comprises the steps:
1) with sector workpiece 1 rough turn and rough mill after carry out high-temperature aging and process, the temperature that high-temperature aging is processed is 560 ℃, by high-temperature aging, processes and can eliminate the interior stress of workpiece 1;
2) cut an opening 2 on sector workpiece 1, and in the opening both sides, with milling machine, process respectively two connection planes 3, connect on plane and offer respectively threaded connection hole 4 and pin-and-hole 5 two, and with contiguous block, described opening 1 two ends are coupled together, and play finger setting, by in opening 2 two ends processing, connecting plane 3 and play finger setting, not only facilitate contiguous block to be connected with workpiece openings 2 two ends, and make between contiguous block and workpiece openings 2 two ends to be connected precision higher, prevent that the active force between contiguous block and workpiece 1 from causing workpiece deformation, the not concrete restriction of the size of opening 2, can facilitate contiguous block connection and follow-up machined to get final product,
3) sector workpiece 1 being carried out fine finishining processes: sector workpiece 1 fine finishining of the present embodiment comprises that the twice semifinishing is with fine finishining, and also the sector workpiece being carried out aging of middle temperature after the first semifinishing processes, after the second semifinishing, the sector workpiece being carried out low temperature aging processes, the temperature that aging of middle temperature is processed is 340 ℃, and the temperature that low temperature aging is processed is 160 ℃; Arrange the twice semifinishing with fine finishining to sector workpiece 1, not only machining accuracy is higher, and respectively workpiece is carried out aging of middle temperature processing and low temperature aging processing after the twice semifinishing of front and back, and can eliminate more up hill and dale workpiece stress, reduce workpiece deformation;
4) cut away the sector workpiece 1 unnecessary segmental arc in opening two ends, obtain corresponding arc opening part.
the arc opening part machining process of the present embodiment carries out high-temperature aging and processes removal stress after 1 roughing of sector workpiece, establish an opening 2 on workpiece, with contiguous block, workpiece openings 2 two ends are coupled together and carry out fine finishining again, due to most of stress of having removed after the high-temperature aging processing in workpiece, by established opening 2 before fine finishining, the part residual stress in workpiece is removed again, cut away unnecessary segmental arc after fine finishining, the distortion of the arc opening part that obtains is very little, therefore, the arc opening part machining process of the present embodiment can effectively reduce the stress deformation of arc opening part, make the arc opening part that adopts this arc opening part machining process making to obtain can meet required precision.
Explanation is finally, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. an arc opening part machining process, is characterized in that: comprise the steps:
1) annular workpieces being carried out high-temperature aging after roughing processes;
2) cut an opening on workpiece, and with contiguous block, described opening is coupled together;
3) workpiece being carried out fine finishining processes;
4) cut away segmental arc unnecessary on workpiece, obtain corresponding arc opening part.
2. arc opening part machining process according to claim 1 is characterized in that: the described the 1st) in step, the temperature range that high-temperature aging is processed is 520 ℃ ~ 560 ℃.
3. arc opening part machining process according to claim 1, is characterized in that: the described the 2nd) in step,, at described opening two ends difference processing plane, described contiguous block is connected with two planes respectively, and plays finger setting.
4. according to claim 1-3 described arc opening part machining process of any one, it is characterized in that: the described the 3rd) in step, workpiece fine finishining is processed and is comprised that the twice semifinishing is with fine finishining, and also workpiece is carried out aging of middle temperature and process after the first semifinishing, after the second semifinishing, workpiece is carried out low temperature aging and process.
5. arc opening part machining process according to claim 4 is characterized in that: the temperature that described aging of middle temperature is processed is 340 ℃ ~ 465 ℃.
6. arc opening part machining process according to claim 4 is characterized in that: the temperature that described low temperature aging is processed is 160 ℃ ~ 240 ℃.
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| CN103586651B (en) * | 2013-11-29 | 2016-06-08 | 重庆清平机械厂 | Tooth arc working method |
| CN104972281B (en) * | 2015-07-15 | 2017-06-30 | 江西洪都航空工业集团有限责任公司 | A kind of processing technology of unenclosed construction part |
| CN105537706A (en) * | 2016-02-05 | 2016-05-04 | 南京金腾齿轮***有限公司 | Gapped non-full-round gear ring machining method |
| CN111390509B (en) * | 2020-04-22 | 2021-09-03 | 成都飞机工业（集团）有限责任公司 | Deformation control processing technique for thin-wall arc-shaped frame |
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| CA1182220A (en) * | 1981-08-19 | 1985-02-05 | Hiroshi Yamamoto | Method of measuring the normalized magnitude of ring opening in spiral pipe |
| JP4362668B2 (en) * | 1999-12-14 | 2009-11-11 | Ｎｏｋ株式会社 | Manufacturing method of synthetic resin seal ring |
| DE10256063A1 (en) * | 2002-11-30 | 2004-06-17 | Mahle Gmbh | Process for coating piston rings for internal combustion engines |
| RU2323066C2 (en) * | 2006-03-10 | 2008-04-27 | Коротков Борис Иванович | Ring blanks with two coaxial different-orientation cone openings working method and apparatus for boring |
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