CN105798537A - Machining method of high-precision heterogeneous compression ring - Google Patents
Machining method of high-precision heterogeneous compression ring Download PDFInfo
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- CN105798537A CN105798537A CN201410833432.0A CN201410833432A CN105798537A CN 105798537 A CN105798537 A CN 105798537A CN 201410833432 A CN201410833432 A CN 201410833432A CN 105798537 A CN105798537 A CN 105798537A
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Abstract
The present invention relates to a machining method and machining steps of a high-precision heterogeneous compression ring. The adopted technical scheme is that a single piece is difficult and unstable to mount, parts of the single piece are overall prepared, after rough machining and semifinish machining, a quenching area surface is segmented in advance, then quenching is carried out, finish machining is carried out after the quenching is carried out, and then other non-quenching area surfaces are segmented after the finish machining is completed. By adoption of the method, mounting difficulty of single piece machining and inconsistent mounting of multiple pieces are prevented. Machining efficiency and machining precision of heterogeneous parts can be largely improved, labor intensity of workers can be largely reduced, and production cycles can be shortened by several months.
Description
Technical field
The processing method that the present invention relates to a kind of high accuracy isomery part, can be applicable to the circular seam welding device in heavy machine tool industry, Aero-Space, is specially processing method and the step of a kind of isomery pressure ring.
Background technology
Circumferential weld friction welding system is efficient, the precision welding equipment of large-size cylinder body class part, and its welding is dependent on two set pressure rings (taking often 12, set in present case) and respectively two cylinder parts is carried out locking, to top, rotating welding.In this process, pressure ring bears very big axial force and radial force, in order to ensure that its stress is stable, it is necessary to the strict precision controlling pressure ring.
Stress according to pressure ring and working condition, it is similar to that jump ring, but owing to divide into 12 pieces so that it is structure is complicated, and precision is high, poor rigidity, and diameter reaches several meters, and difficulty of processing is very big, belongs to typical high accuracy isomery part.Its shape is as shown in Figure 1.
These pressure rings, except single-piece required precision is higher, also have higher coherence request, therefore, no matter from the viewpoint of economy, efficiency, precision etc., it is necessary to the method adopting 12 one composition set processing.In prior art, when getting the raw materials ready, two schemes is had to be available for choosing:
One is that entirety is got the raw materials ready processing mode, and after processing, cutting is divided into 12, but this method exists a great difficult problem, and owing to the label 1 gone out represented by Fig. 1 is quenching face, hardness is significantly high, it is impossible to use sawing machine directly to cut open；Monnolithic case size is very big simultaneously, and the methods such as line cutting also cannot be used to process.It addition, between two pieces gap only small, only 4mm, carbide tool also cannot be processed.
Another kind is the processing mode separately got the raw materials ready, and its operation is as follows: gets the raw materials ready and rough mills the overall half finish turning profile finish-milling groove surfaces quenching pincers worker split entirety finish turning trim line cutting of the thick grooving of profile modified single-piece half finish turning profile finish-milling faying face pincers worker split.But adopt the problem that there is following two aspect in this way:
1, after quenching, the deformation of part is relatively big, in follow-up assembly repeatedly, every time inconsistent, cannot unify, have a strong impact on the unifying datum in processing, also resulted in the change of surplus, the situation that even surplus is inadequate, this is accomplished by constantly again repairing end face, and machining accuracy is very unstable.
2, owing to these 12 parts are to be attached by bolt, intensity is relatively low, cannot be carried out overall turn-over, each turn-over must be taken apart again, single-piece turn-over, then assembled again, bench work amount is also very big, need to dismounting tens of times, what these were all serious have impact on efficiency and the precision of processing, and its production cycle was even as long as half a year.
Summary of the invention
Present invention aims to the technical barrier existed in pressure ring processing, it is provided that the processing method of a kind of simpler, more stable high accuracy isomery pressure ring and step so that it is can significantly shorten the precision of production cycle, the stability improved in processing and part.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions, and the key step that its technical scheme comprises is as follows:
1) pressure ring bulk-breaking part being carried out entirety to get the raw materials ready, described pressure ring bulk-breaking part is more than 2；
2) by after the overall rough turn one-tenth profile of pressure ring bulk-breaking part, the groove on circumference is rough milled；
3) overall pressure ring is carried out Tempering and Quenching；
4) half finish turning pressure ring profile, finish-milling groove reaches requirement；
5) cutting the faying face at quenching face place, the faying face at non-quenching face place wouldn't cut；
6) is quenched in quenching face, and tempering eliminates stress；
7) profile of finish turning pressure ring；
8) faying face at non-quenching face place is cut；
9) line cutting enclosed slot.
The processing method of the high accuracy isomery pressure ring described in the present invention, manufacturing procedure by reasonable arrangement part, and take the faying face cutting quenching face place in advance, other parts first do not cut, part is made still to become as a whole, monolithic it is sub-partitioned into after machining, thus overcome the difficult problem that cannot be divided into monolithic existed in current overall processing, it is achieved thereby that the entirety of part is got the raw materials ready and processing, decrease some row problems such as the repeatedly assembly eliminating during single-piece is got the raw materials ready and processed, assembled unstable, inadequate, the deformation of surplus.The efficiency of processing and the crudy of part are greatly improved.
The processing method of the high accuracy isomery pressure ring described in the present invention, the method utilizing overall processing of getting the raw materials ready, it is possible to improve working (machining) efficiency largely, improves the stability of the course of processing and the precision of processing, it is possible to make the production cycle can shorten about half.There is great economic benefit.
Accompanying drawing explanation
Fig. 1 is pressure ring bulk-breaking part schematic diagram；
Fig. 2 is pressure ring bulk-breaking exploded perspective schematic diagram；
Fig. 3 is the part manuscript that bulk-breaking is got the raw materials ready；
Fig. 4 is the faying face connected mode that bulk-breaking is got the raw materials ready；
Fig. 5 is the part manuscript that entirety is got the raw materials ready；
The cutting state in faying face situation that Fig. 6 entirety is got the raw materials ready and quenching face.
Detailed description of the invention
Fig. 1 is pressure ring bulk-breaking part schematic diagram of the prior art, and Fig. 2 is pressure ring bulk-breaking exploded perspective schematic diagram.In Fig. 1 and Fig. 2, the quenching face 1 of mark is the surface hardened.
In conjunction with Fig. 3～Fig. 6, illustrate as follows with regard to the processing method of a kind of high accuracy isomery pressure ring described in the present invention and step thereof below: (in the fig. 3 embodiment, pressure ring bulk-breaking part is 12 and illustrates).
1) by 12 pressure ring bulk-breaking parts for integral ring material, as shown in Figure 5.
2), after rough turn one-tenth profile, 12 place's groove 2 on circumference is rough milled.
3) overall pressure ring is carried out Tempering and Quenching.
4) half finish turning pressure ring profile, the whole groove 2 of finish-milling reaches requirement.
5) cutting the faying face 7 at quenching face place, (as shown in fig. 4 and fig. 6), the faying face 6 at non-quenching face place wouldn't cut.
6) quenching face 1 (the quenching face shown in Fig. 1 1) is carried out surface hardening and tempering eliminates stress.
7) finish turning mill pressure ring cylindrical everywhere, endoporus and end face.
8) faying face 6 (as shown in fig. 4 and fig. 6) at non-quenching face place is cut.
9) line cutting enclosed slot.
In Fig. 3: the bulk-breaking part of pressure ring 3 totally 12.In Fig. 4: marked the faying face 4 of two pieces pressure ring, for connecting the technique bolt 5 of two pieces pressure ring, and the faying face 7 at pressure ring quenching face place, the faying face 6 at non-quenching face place.
Step 5 described in the present invention) refer to, a faying face between adjacent two pressure rings is divided into twice processing, first cut before finish turning by the faying face 7 at quenching face place, but not the faying face 6 at quenching face place cuts after finish turning, to ensure that 12 pressure ring bulk-breaking parts always remain as integrality adding man-hour.The difficult problem in quenching face cannot be processed after avoiding quenching so on the one hand, also ensure that pressure ring work in-process is always for entirety, good rigidly on the other hand, it is easy to ensure precision.
The processing method of the high accuracy isomery pressure ring described in the present invention; illustrate for 12 with pressure ring bulk-breaking part, but do not represent bulk-breaking part and be only 12, it is possible to be some N (N >=2); it is the protected content of the present invention, all by the protection of patent of the present invention.
Claims (9)
1. a processing method for high accuracy isomery pressure ring, comprises the steps of:
1) pressure ring bulk-breaking part is carried out entirety to get the raw materials ready；
2) by after the overall rough turn one-tenth profile of pressure ring bulk-breaking part, the groove on circumference is rough milled；
3) overall pressure ring is carried out Tempering and Quenching；
4) half finish turning pressure ring profile, finish-milling groove reaches requirement；
5) faying face at the quenching face place cut, the faying face at non-quenching face place wouldn't cut；
6) is quenched in quenching face, and tempering eliminates stress；
7) profile of finish turning pressure ring；
8) faying face at non-quenching face place is cut；
9) line cutting enclosed slot.
2. the processing method of isomery pressure ring according to claim 1, is characterized in that: described pressure ring bulk-breaking part is more than 2.
3. the processing method of isomery pressure ring according to claim 2, is characterized in that: pressure ring bulk-breaking part entirety is got the raw materials ready, and is split at twice by a faying face between two parts, once before polish, once after polish.
4. the processing method of isomery pressure ring according to claim 2, is characterized in that: described quenching face carries out quenching and refers to quenching face is carried out surface hardening.
5. the processing method of the isomery pressure ring according to Claims 2 or 3 or 4, is characterized in that: only separate the faying face at quenching face place before quenching, makes pressure ring bulk-breaking part always remain as an entirety man-hour adding.
6. the processing method of the isomery pressure ring according to Claims 2 or 3 or 4, is characterized in that: after the processing of part overall precision puts in place, then split the faying face at non-quenching face place.
7. the processing method of the isomery pressure ring according to claim 1 or 2 or 3 or 4, is characterized in that: the profile of described finish turning pressure ring refers to finish turning mill pressure ring cylindrical everywhere, endoporus and end face.
8. the processing method of isomery pressure ring according to claim 5, is characterized in that: the profile of described finish turning pressure ring refers to finish turning mill pressure ring cylindrical everywhere, endoporus and end face.
9. the processing method of isomery pressure ring according to claim 6, is characterized in that: the profile of described finish turning pressure ring refers to finish turning mill pressure ring cylindrical everywhere, endoporus and end face.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410833432.0A CN105798537B (en) | 2014-12-29 | 2014-12-29 | A kind of processing method of high-precision isomery pressure ring |
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| CN201410833432.0A CN105798537B (en) | 2014-12-29 | 2014-12-29 | A kind of processing method of high-precision isomery pressure ring |
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| CN105798537A true CN105798537A (en) | 2016-07-27 |
| CN105798537B CN105798537B (en) | 2018-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877102A (en) * | 2017-11-27 | 2018-04-06 | 佛山市荣鑫宝数控设备有限公司 | A kind of processing method of band ring |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3317828A1 (en) * | 1983-05-17 | 1984-11-22 | Josef 7230 Schramberg Moosmann | Quick-action mandrel for machine tools |
| CN102350621A (en) * | 2011-09-28 | 2012-02-15 | 天津第一机床总厂 | Processing method for bed die ferrules |
| CN102950479A (en) * | 2012-08-30 | 2013-03-06 | 哈尔滨汽轮机厂有限责任公司 | Method for realizing machining of combustion-compression ring bushes by using combustion-compression ring bush cutting clamp |
| CN103658321A (en) * | 2013-10-31 | 2014-03-26 | 山东云洲车轮有限公司 | Vehicle wheel spoke machining technique |
| CN104043851A (en) * | 2014-06-10 | 2014-09-17 | 西安航天动力机械厂 | Tool for processing cylindrical workpiece |
-
2014
- 2014-12-29 CN CN201410833432.0A patent/CN105798537B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3317828A1 (en) * | 1983-05-17 | 1984-11-22 | Josef 7230 Schramberg Moosmann | Quick-action mandrel for machine tools |
| CN102350621A (en) * | 2011-09-28 | 2012-02-15 | 天津第一机床总厂 | Processing method for bed die ferrules |
| CN102950479A (en) * | 2012-08-30 | 2013-03-06 | 哈尔滨汽轮机厂有限责任公司 | Method for realizing machining of combustion-compression ring bushes by using combustion-compression ring bush cutting clamp |
| CN103658321A (en) * | 2013-10-31 | 2014-03-26 | 山东云洲车轮有限公司 | Vehicle wheel spoke machining technique |
| CN104043851A (en) * | 2014-06-10 | 2014-09-17 | 西安航天动力机械厂 | Tool for processing cylindrical workpiece |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877102A (en) * | 2017-11-27 | 2018-04-06 | 佛山市荣鑫宝数控设备有限公司 | A kind of processing method of band ring |
| CN107877102B (en) * | 2017-11-27 | 2021-10-08 | 佛山市荣鑫宝数控设备有限公司 | Method for processing wrapping ring |
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| CN105798537B (en) | 2018-03-27 |
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