CN102513795A - Arc opening part machining process - Google Patents
Arc opening part machining process Download PDFInfo
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- CN102513795A CN102513795A CN2011104547979A CN201110454797A CN102513795A CN 102513795 A CN102513795 A CN 102513795A CN 2011104547979 A CN2011104547979 A CN 2011104547979A CN 201110454797 A CN201110454797 A CN 201110454797A CN 102513795 A CN102513795 A CN 102513795A
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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 parts machining process.
Background technology
Existing arc opening machining parts generally is after workpiece fine finishining is annular finished product; Cut again and be the arc opening part,, cause the part opening after the incision to open or shrink because there is mechanical stress in interior; Produce moderate finite deformation, can't satisfy processing request.Particularly in processing sector part, the sector workpiece processed profile of tooth through fine finishining after, cutting opening again, the distortion meeting of opening part causes bigger influence to the precision of profile of tooth, makes the sector part not reach designing requirement, percent defective is higher.
Given this; The present invention is intended to explore a kind of arc opening parts machining process; This arc opening parts machining process can effectively reduce the stress deformation of arc opening part, makes that adopting this arc opening parts machining process to make the arc opening part that obtains can satisfy required precision.
Summary of the invention
The technical problem that the present invention will solve is to propose a kind of arc opening parts machining process; This arc opening parts machining process can effectively reduce the stress deformation of arc opening part, makes that adopting this arc opening parts machining process to make the arc opening part that obtains can satisfy required precision.
Realize above-mentioned technical purpose, arc opening parts machining process of the present invention comprises the steps:
1) annular workpieces being carried out high-temperature aging after roughing handles;
2) on workpiece, cut an opening, and said opening is coupled together with contiguous block;
3) workpiece being carried out fine finishining handles;
4) cut away segmental arc unnecessary on the workpiece, obtain corresponding arc opening part.
Further, the said the 1st) in the step, high-temperature aging treatment temperature scope is 520 ℃ ~ 560 ℃;
Further, the said the 2nd) in the step, the processing plane respectively at said opening two ends is connected said contiguous block respectively, and plays finger setting with two planes;
Further, the said the 3rd) in the step, workpiece fine finishining is handled and is comprised the twice semifinishing with fine finishining, and after the first road semifinishing, also workpiece is carried out aging of middle temperature and handle, and after the second road semifinishing, workpiece is carried out the low temperature aging processing;
Further, said aging of middle temperature treatment temperature is 340 ℃ ~ 465 ℃;
Further, said low temperature aging treatment temperature is 160 ℃ ~ 240 ℃.
Beneficial effect of the present invention is:
1, arc opening parts machining process of the present invention is after carrying out high-temperature aging processing removal stress after the workpiece roughing; On workpiece, establish an opening; With contiguous block the workpiece openings two ends are coupled together again and carry out fine finishining; Owing to removed the most of stress in the workpiece after high-temperature aging is handled, through before fine finishining, establishing opening the part residual stress in the workpiece is removed again, cut away unnecessary segmental arc after the fine finishining; The distortion of the arc opening part that obtains is very little; Therefore, arc opening parts machining process of the present invention can effectively reduce the stress deformation of arc opening part, makes that adopting this arc opening parts machining process to make the arc opening part that obtains can satisfy 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 workpiece stress more up hill and dale, reduce workpiece deformation.
Description of drawings
Fig. 1 is for adopting the opening sketch map in the arc opening parts machining process processing sector part process of the present invention;
The sector design of part sketch map that Fig. 2 adopts the arc opening parts machining process of present embodiment to obtain.
The specific embodiment
Following specific embodiments of the invention elaborates.
The arc opening parts machining process of present embodiment comprises the steps:
1) annular workpieces is carried out high-temperature aging after roughing and handle, preferred, said high-temperature aging treatment temperature scope is 520 ℃ ~ 560 ℃, can eliminate the internal stress that workpiece forms because of roughing;
2) on workpiece, cut an opening, and with contiguous block said opening is coupled together, the size of opening is not concrete to be limited, and can conveniently connect with follow-up machined to get final product;
3) workpiece being carried out fine finishining handles;
4) cut away segmental arc unnecessary on the workpiece, obtain corresponding arc opening part.
The arc opening parts machining process of present embodiment is after carrying out high-temperature aging processing removal stress after the workpiece roughing; On workpiece, offer a mouth; With contiguous block the workpiece openings two ends are coupled together again and carry out fine finishining; Owing to removed the most of stress in the workpiece after high-temperature aging is handled, through before fine finishining, establishing opening the part residual stress in the workpiece to be 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 parts machining process of the present invention can effectively reduce the stress deformation of arc opening part, makes that adopting this arc opening parts machining process to make the arc opening part that obtains can satisfy required precision.
Further, the said the 2nd) in the step, the processing plane respectively at said opening two ends is connected said contiguous block respectively, and plays finger setting with two planes.Through processing plane and play finger setting at the opening two ends, not only make things convenient for contiguous block to be connected with the workpiece openings two ends, and make between contiguous block and the workpiece openings two ends to be connected precision higher, prevent that the active force between contiguous block and the workpiece from causing workpiece deformation.
Further; The said the 3rd) in the step; Workpiece fine finishining is handled and is comprised the twice semifinishing with fine finishining, and after the first road semifinishing, also workpiece is carried out aging of middle temperature and handle, and after the second road semifinishing, workpiece is carried out low temperature aging and handles; The aging of middle temperature treatment temperature is 340 ℃ ~ 465 ℃, and the low temperature aging treatment temperature 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 workpiece stress more up hill and dale, reduce workpiece deformation.
Introduce the specific embodiment that adopts above-mentioned arc opening parts machining process processing sector part below.
The sector part is semicircular arc opening thin part, and is as shown in Figure 1, for adopting the opening sketch map in the arc opening parts machining process processing sector part process of the present invention; The sector design of part sketch map that Fig. 2 adopts the arc opening parts machining process of invention to obtain.
Embodiment one
The technology that present embodiment adopts above-mentioned arc opening parts machining process processing sector part to add comprises the steps:
1) with sector workpiece 1 rough turn with rough mill after carry out high-temperature aging and handle, the high-temperature aging treatment temperature is 540 ℃, handles the stress that can eliminate in the workpiece 1 through high-temperature aging;
2) on sector workpiece 1, cut an opening 2, and process two connection planes 3 respectively with milling machine, on two connection planes, offer threaded connection hole 4 and pin-and-hole 5 respectively in the opening both sides; And said opening 1 two ends are coupled together with contiguous block; And play finger setting, through processing connects plane 3 and plays finger setting at opening 2 two ends, not only make things convenient for 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 the workpiece 1 from causing workpiece deformation, the not concrete restriction of the size of opening 2 can make things convenient for contiguous block to connect and follow-up machined gets final product;
3) sector workpiece 1 being carried out fine finishining handles: sector workpiece 1 fine finishining of present embodiment comprises that the twice semifinishing is with fine finishining; And after the first road semifinishing, also the sector workpiece being carried out aging of middle temperature handles; After the second road semifinishing, the sector workpiece being carried out low temperature aging handles; The aging of middle temperature treatment temperature is 450 ℃, and the low temperature aging treatment temperature 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 workpiece stress more up hill and dale, reduce workpiece deformation;
4) cut away the unnecessary segmental arc in sector workpiece 1 opening two ends, obtain corresponding arc opening part.
The arc opening parts machining process of present embodiment carries out high-temperature aging and handles removal stress after 1 roughing of sector workpiece; On workpiece, establish an opening 2; With contiguous block workpiece openings 2 two ends are coupled together again and carry out fine finishining; Owing to removed the most of stress in the workpiece after high-temperature aging is handled, through before fine finishining, establishing opening 2 the part residual stress in the workpiece is removed again, cut away unnecessary segmental arc after the fine finishining; The distortion of the arc opening part that obtains is very little; Therefore, the arc opening parts machining process of present embodiment can effectively reduce the stress deformation of arc opening part, makes that adopting this arc opening parts machining process to make the arc opening part that obtains can satisfy required precision.
Embodiment two
The technology that present embodiment adopts above-mentioned arc opening parts machining process processing sector part to add comprises the steps:
1) with sector workpiece 1 rough turn with rough mill after carry out high-temperature aging and handle, the high-temperature aging treatment temperature is 520 ℃, handles the stress that can eliminate in the workpiece 1 through high-temperature aging;
2) on sector workpiece 1, cut an opening 2, and process two connection planes 3 respectively with milling machine, on two connection planes, offer threaded connection hole 4 and pin-and-hole 5 respectively in the opening both sides; And said opening 1 two ends are coupled together with contiguous block; And play finger setting, through processing connects plane 3 and plays finger setting at opening 2 two ends, not only make things convenient for 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 the workpiece 1 from causing workpiece deformation, the not concrete restriction of the size of opening 2 can make things convenient for contiguous block to connect and follow-up machined gets final product;
3) sector workpiece 1 being carried out fine finishining handles: sector workpiece 1 fine finishining of present embodiment comprises that the twice semifinishing is with fine finishining; And after the first road semifinishing, also the sector workpiece being carried out aging of middle temperature handles; After the second road semifinishing, the sector workpiece being carried out low temperature aging handles; The aging of middle temperature treatment temperature is 465 ℃, and the low temperature aging treatment temperature 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 workpiece stress more up hill and dale, reduce workpiece deformation;
4) cut away the unnecessary segmental arc in sector workpiece 1 opening two ends, obtain corresponding arc opening part.
The arc opening parts machining process of present embodiment carries out high-temperature aging and handles removal stress after 1 roughing of sector workpiece; On workpiece, establish an opening 2; With contiguous block workpiece openings 2 two ends are coupled together again and carry out fine finishining; Owing to removed the most of stress in the workpiece after high-temperature aging is handled, through before fine finishining, establishing opening 2 the part residual stress in the workpiece is removed again, cut away unnecessary segmental arc after the fine finishining; The distortion of the arc opening part that obtains is very little; Therefore, the arc opening parts machining process of present embodiment can effectively reduce the stress deformation of arc opening part, makes that adopting this arc opening parts machining process to make the arc opening part that obtains can satisfy required precision.
Embodiment three
The technology that present embodiment adopts above-mentioned arc opening parts machining process processing sector part to add comprises the steps:
1) with sector workpiece 1 rough turn with rough mill after carry out high-temperature aging and handle, the high-temperature aging treatment temperature is 560 ℃, handles the stress that can eliminate in the workpiece 1 through high-temperature aging;
2) on sector workpiece 1, cut an opening 2, and process two connection planes 3 respectively with milling machine, on two connection planes, offer threaded connection hole 4 and pin-and-hole 5 respectively in the opening both sides; And said opening 1 two ends are coupled together with contiguous block; And play finger setting, through processing connects plane 3 and plays finger setting at opening 2 two ends, not only make things convenient for 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 the workpiece 1 from causing workpiece deformation, the not concrete restriction of the size of opening 2 can make things convenient for contiguous block to connect and follow-up machined gets final product;
3) sector workpiece 1 being carried out fine finishining handles: sector workpiece 1 fine finishining of present embodiment comprises that the twice semifinishing is with fine finishining; And after the first road semifinishing, also the sector workpiece being carried out aging of middle temperature handles; After the second road semifinishing, the sector workpiece being carried out low temperature aging handles; The aging of middle temperature treatment temperature is 340 ℃, and the low temperature aging treatment temperature 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 workpiece stress more up hill and dale, reduce workpiece deformation;
4) cut away the unnecessary segmental arc in sector workpiece 1 opening two ends, obtain corresponding arc opening part.
The arc opening parts machining process of present embodiment carries out high-temperature aging and handles removal stress after 1 roughing of sector workpiece; On workpiece, establish an opening 2; With contiguous block workpiece openings 2 two ends are coupled together again and carry out fine finishining; Owing to removed the most of stress in the workpiece after high-temperature aging is handled, through before fine finishining, establishing opening 2 the part residual stress in the workpiece is removed again, cut away unnecessary segmental arc after the fine finishining; The distortion of the arc opening part that obtains is very little; Therefore, the arc opening parts machining process of present embodiment can effectively reduce the stress deformation of arc opening part, makes that adopting this arc opening parts machining process to make the arc opening part that obtains can satisfy required precision.
Explanation is at last; 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 specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. an arc opening parts machining process is characterized in that: comprise the steps:
1) annular workpieces being carried out high-temperature aging after roughing handles;
2) on workpiece, cut an opening, and said opening is coupled together with contiguous block;
3) workpiece being carried out fine finishining handles;
4) cut away segmental arc unnecessary on the workpiece, obtain corresponding arc opening part.
2. arc opening parts machining process according to claim 1 is characterized in that: the said the 1st) in the step, high-temperature aging treatment temperature scope is 520 ℃ ~ 560 ℃.
3. arc opening parts machining process according to claim 1 is characterized in that: the said the 2nd) in the step, the difference processing plane is connected said contiguous block respectively, and plays finger setting with two planes at said opening two ends.
4. according to each described arc opening parts machining process of claim 1-3; It is characterized in that: the said the 3rd) in the step; Workpiece fine finishining is handled and is comprised that the twice semifinishing is with fine finishining; And after the first road semifinishing, also workpiece is carried out aging of middle temperature and handle, after the second road semifinishing, workpiece is carried out low temperature aging and handle.
5. arc opening parts machining process according to claim 4 is characterized in that: said aging of middle temperature treatment temperature is 340 ℃ ~ 465 ℃.
6. arc opening parts machining process according to claim 4 is characterized in that: said low temperature aging treatment temperature is 160 ℃ ~ 240 ℃.
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Cited By (4)
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| CN103586651A (en) * | 2013-11-29 | 2014-02-19 | 重庆清平机械厂 | Method for machining toothed arc |
| CN104972281A (en) * | 2015-07-15 | 2015-10-14 | 江西洪都航空工业集团有限责任公司 | Machining technology of open structure part |
| CN105537706A (en) * | 2016-02-05 | 2016-05-04 | 南京金腾齿轮系统有限公司 | Gapped non-full-round gear ring machining method |
| CN111390509A (en) * | 2020-04-22 | 2020-07-10 | 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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| CN111390509A (en) * | 2020-04-22 | 2020-07-10 | 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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