CN102501008A - Method for processing sealing ring - Google Patents
Method for processing sealing ring Download PDFInfo
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- CN102501008A CN102501008A CN2011103293674A CN201110329367A CN102501008A CN 102501008 A CN102501008 A CN 102501008A CN 2011103293674 A CN2011103293674 A CN 2011103293674A CN 201110329367 A CN201110329367 A CN 201110329367A CN 102501008 A CN102501008 A CN 102501008A
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Abstract
The invention relates to a method for processing a sealing ring and aims at solving the technical problem that processing precision cannot be ensured by the existing technology. The method comprises the steps of 1 performing rough turning to raw materials to obtain blank, 2 cutting the blank to obtain a sealing ring arc section, 3 performing distressing treatment to the sealing ring arc section, 4 accurately grinding two planes of the sealing ring arc section, 5 performing semi-finish turning to an inner hole and an excircle of the sealing ring arc section, 6 placing the sealing ring in a special clamp to grind two end faces of the sealing ring arc section, 7 performing finish turning to the inner hole and the excircle of the sealing ring arc section, 8 performing rough turning to a sealing groove, 9 performing finish turning to the sealing groove, and 10 drilling connecting holes and sequentially processing twelve sealing ring arc sections to finish the processing of the sealing ring. The method for processing the sealing ring adopts reasonable cutting allowance distribution and the rough turning and then performs the distressing treatment, thereby ensuring the processing precision of end face gaps to be in a range of 0.5+/-0.05mm. The method for processing the sealing ring is used for processing the sealing ring of a steam turbine.
Description
Technical field
The present invention relates to the processing method of sealing ring.
Background technology
Sealing ring is that steam turbine is formed one of parts; Every circle sealing ring is made up of 12 segmental arcs; The end clearance designing requirement precision of sealing ring segmental arc is 0.5 ± 0.05mm, and this required precision is a processing difficulties, though the production method of existing sealing ring has a variety of; But because processing method is unreasonable or process equipment does not match, existing process program can't guarantee the sealing ring requirement on machining accuracy.
Summary of the invention
The present invention will solve existing process program can't guarantee the technical problem of sealing ring requirement on machining accuracy, and a kind of processing method of sealing ring is provided.
The concrete steps of the processing method of a kind of sealing ring of the present invention are: one, the annular raw material is placed on the lathe; Endoporus, the cylindrical of the rough turn raw material of whole circle, the inner hole outer circularity single face is 1.5mm high-volume, and two plane single faces are 0.3～0.4mm high-volume; Cutting parameter is: rotating speed 32～42r/min; The amount of feeding 0.35～0.45mm/r, cutting depth 2mm obtains blank; Two, the blank with the step 1 gained is placed on the wire cutting machine tool, presses the segmental arc length of setting, and cuts to be single-piece, obtains the sealing ring segmental arc; Three, the sealing ring segmental arc of step 2 gained is carried out stress removing, at first be heated to 500 ℃～650 ℃ with 2～3h, insulation 2h is cooled to 200 ℃～300 ℃ with 10～12h then, cools to room temperature at last with the furnace; Four, the sealing ring segmental arc with the step 3 gained places surface grinding machine, and first plane and second plane of correct grinding sealing ring segmental arc guarantee that each sealing ring segmental arc thickness is identical; Five, endoporus, the cylindrical of the sealing ring segmental arc of half finish turning step 4 gained, endoporus, cylindrical single face be 0.5mm high-volume, and cutting parameter is: rotating speed 28～32r/min, the amount of feeding 0.15～0.25mm/r, cutting depth 0.5mm; Six, the sealing ring segmental arc that step 5 is obtained is clamped on the special fixture, and said special fixture is made up of clamp body, pressing plate and holding screw, and one and sealing ring segmental arc radian corresponding grooves are arranged on the said clamp body; Anchor clamps tightly on Grinder bench, are positioned at the sealing ring segmental arc in the clamp body groove with inside and outside circular arc again, and first end face stretches out 10mm; With pressing plate clamped sealed ring; Grinding first end face, accurate second end face of grinding according to said method guarantees end clearance 0.5 ± 0.05mm precision; Seven, endoporus, the cylindrical of the sealing ring segmental arc of finish turning step 6 gained, by setting dimensioned, cutting parameter is: rotating speed 28～32r/min, the amount of feeding 0.15～0.25mm/r, cutting depth 0.2mm; Eight, rough turn seal groove on the sealing ring segmental arc cylindrical of step 7 gained, cutting parameter is: rotating speed 18～22r/min, the amount of feeding 0.02～0.08mm/r, cutting depth 4mm; Nine, the seal groove of the sealing ring segmental arc of finish turning step 8 gained, the finish turning cutting parameter is: rotating speed 13～15r/min, the amount of feeding 0.06～0.10mm/r, cutting depth 0.4mm; Ten, the sealing ring segmental arc with the step 9 gained places on the boring machine, bores connecting hole by setting size, processes 12 sealing ring segmental arcs successively, accomplishes the processing of sealing ring.
The invention has the beneficial effects as follows:, reduced the distortion in the sealing ring processing greatly owing to adopt rational chipping allowance to distribute; Optimized process program, sealing ring carried out stress removing,, prevented the stress deformation after the fine finishining to discharge the stress in the rough turn processing in rough turn processing back; Adopt special fixture during grinding sealing ring end face, guarantee accurate location, guaranteed the sealing ring required precision, using the precision of the sealing ring of the inventive method processing is 0.5 ± 0.05mm.
The processing method of a kind of sealing ring of the present invention is used for the processing of steam turbine sealing ring.
Description of drawings
Fig. 1 is the front view of grinding sealing ring end face anchor clamps installation diagram in the specific embodiment of the invention one, and 1 is the sealing ring segmental arc among Fig. 1, the 2nd, and special fixture; 1-3 is first end face of sealing ring segmental arc; 1-4 is second end face of sealing ring segmental arc, and 1-5 is a seal groove, and 1-6 is a connecting hole; Fig. 2 is that grinding sealing ring end face anchor clamps installation diagram gets vertical view in the specific embodiment one, and 1-1 is first plane of sealing ring segmental arc among Fig. 2, and 1-2 is second plane of sealing ring segmental arc; 1-3 is first end face of sealing ring segmental arc, and 1-5 is a seal groove, and 1-6 is a connecting hole; The 2nd, special fixture; 2-1 is a clamp body, and 2-2 is a pressing plate, the 2-3 holding screw; Fig. 3 is that grinding sealing ring end face anchor clamps installation diagram gets left view in the specific embodiment one, and 1-5 is a seal groove among Fig. 3, and 1-6 is a connecting hole, and 2-1 is a clamp body, and 2-2 is a pressing plate, the 2-3 holding screw; Fig. 4 is the front view of clamp body 2-1 of the present invention, and 2-1-1 is a groove among Fig. 4; Fig. 5 is the left view of clamp body 2-1 of the present invention, and 2-1-1 is a groove among Fig. 5; Fig. 6 is the vertical view of clamp body 2-1 of the present invention.
The specific embodiment:
Technical scheme of the present invention is not limited to the following cited specific embodiment, also comprises the combination in any between each specific embodiment.
The specific embodiment one: a kind of processing method of sealing ring is carried out according to the following steps: one, the annular raw material is placed on the lathe; Endoporus, the cylindrical of the rough turn raw material of whole circle, the inner hole outer circularity single face is 1.5mm high-volume, and two plane single faces are 0.3～0.4mm high-volume; Cutting parameter is: rotating speed 32～42r/min; The amount of feeding 0.35～0.45mm/r, cutting depth 2mm obtains blank; Two, the blank with the step 1 gained is placed on the wire cutting machine tool, presses the segmental arc length of setting, and cuts to be single-piece, obtains sealing ring segmental arc 1; Three, the sealing ring segmental arc 1 of step 2 gained is carried out stress removing, at first be heated to 500 ℃～650 ℃ with 2～3h, insulation 2h is cooled to 200 ℃～300 ℃ with 10～12h then, cools to room temperature at last with the furnace; Four, the sealing ring segmental arc 1 with the step 3 gained places surface grinding machine, and the first plane 1-1 and the second plane 1-2 of correct grinding sealing ring segmental arc guarantee that each sealing ring segmental arc thickness is identical; Five, endoporus, the cylindrical of the sealing ring segmental arc of half finish turning step 4 gained, endoporus, cylindrical single face be 0.5mm high-volume, and cutting parameter is: rotating speed 28～32r/min, the amount of feeding 0.15～0.25mm/r, cutting depth 0.5mm; Six, the sealing ring segmental arc that step 5 is obtained is clamped on the special fixture 2; Said special fixture 2 is made up of clamp body 2-1, pressing plate 2-2 and holding screw 2-3, have on the said clamp body 2-1 one with sealing ring segmental arc radian 1 corresponding grooves 2-1-1, with anchor clamps tightly on Grinder bench; Again sealing ring segmental arc 1 is positioned in the clamp body groove 2-1-1 with inside and outside circular arc; The first end face 1-3 stretches out 10mm, with pressing plate clamped sealed ring, and the grinding first end face 1-3; The accurate second end face 1-4 of grinding according to said method guarantees end clearance 0.5 ± 0.05mm precision; Seven, endoporus, the cylindrical of the sealing ring segmental arc of finish turning step 6 gained, by setting dimensioned, cutting parameter is: rotating speed 28～32r/min, the amount of feeding 0.15～0.25mm/r, cutting depth 0.2mm; Eight, rough turn seal groove 1-5 on the sealing ring segmental arc cylindrical of step 7 gained, cutting parameter is: rotating speed 18～22r/min, the amount of feeding 0.02～0.08mm/r, cutting depth 4mm; Nine, the seal groove of the sealing ring segmental arc of finish turning step 8 gained, the finish turning cutting parameter is: rotating speed 13～15r/min, the amount of feeding 0.06～0.10mm/r, cutting depth 0.4mm; Ten, the sealing ring segmental arc with the step 9 gained places on the boring machine, bores connecting hole 1-6 by setting size, processes 12 sealing ring segmental arcs successively, accomplishes the processing of sealing ring.
The beneficial effect of this embodiment is: owing to adopt rational chipping allowance to distribute, reduced the distortion in the sealing ring processing greatly; Optimized process program, sealing ring carried out stress removing,, prevented the stress deformation after the fine finishining to discharge the stress in the rough turn processing in rough turn processing back; Adopt special fixture during grinding sealing ring end face, guarantee accurate location, guaranteed the sealing ring required precision, using the precision of the sealing ring of the inventive method processing is 0.5 ± 0.05mm.
The specific embodiment two: what this embodiment and the specific embodiment one were different is that cutting parameter is in the step 1: rotating speed 37r/min, amount of feeding 0.4mm/r.Other is identical with the specific embodiment one.
The r/min of unit is rev/min that the mm/r of unit is millimeter/commentaries on classics.
The specific embodiment three: this embodiment is different with the specific embodiment one or two is that the process of stress removing in the step 2 is: at first be heated to 600 ℃ with 2.5h, insulation 2h is cooled to 250 ℃ with 11h then, cools to room temperature at last with the furnace.Other is identical with the specific embodiment one or two.
In rough turn processing back sealing ring is carried out stress removing,, prevented the stress deformation after the fine finishining, guaranteed the sealing ring required precision to discharge the stress in the rough turn processing.
The specific embodiment four: what this embodiment was different with one of specific embodiment one to three is that cutting parameter is in the step 5: rotating speed 30r/min, amount of feeding 0.2mm/r.Other is identical with one of specific embodiment one to three.
The specific embodiment five: what this embodiment was different with one of specific embodiment one to four is that cutting parameter is in the step 7: rotating speed 30r/min, amount of feeding 0.2mm/r.Other is identical with one of specific embodiment one to four.
The specific embodiment six: what this embodiment was different with one of specific embodiment one to five is that cutting parameter is in the step 8: rotating speed 20r/min, amount of feeding 0.05mm/r.Other is identical with one of specific embodiment one to five.
The specific embodiment seven: what this embodiment was different with one of specific embodiment one to six is that cutting parameter is in the step 9: rotating speed 14r/min, amount of feeding 0.08mm/r.Other is identical with one of specific embodiment one to six.
The specific embodiment eight: what this embodiment was different with one of specific embodiment one to seven is: annular raw material obtaining step is: the rectangular plate of numerical control gas cutting; Then at the thick round as a ball ring of cylinder lathe; Both ends of the surface add working drawing by length; End face is welded as whole circle, and last smart round as a ball ring is accomplished the manufacturing of annular raw material.Other is identical with one of specific embodiment one to seven.
The specific embodiment nine: the processing method of a kind of sealing ring of this embodiment is carried out according to the following steps: one, the annular raw material is placed on the lathe; Endoporus, the cylindrical of the rough turn raw material of whole circle, the inner hole outer circularity single face is 1.5mm high-volume, and two plane single faces are 0.35mm high-volume; Cutting parameter is: rotating speed 37r/min; Amount of feeding 0.4mm/r, cutting depth 2mm obtains blank; Two, the blank with the step 1 gained is placed on the wire cutting machine tool, presses the segmental arc length of setting, and cuts to be single-piece, obtains sealing ring segmental arc 1; Three, the sealing ring segmental arc 1 of step 2 gained is carried out stress removing, at first be heated to 600 ℃ with 2～3h, insulation 2h is cooled to 250 ℃ with 11h then, cools to room temperature at last with the furnace; Four, the sealing ring segmental arc 1 with the step 3 gained places surface grinding machine, and the first plane 1-1 and the second plane 1-2 of correct grinding sealing ring segmental arc guarantee that each sealing ring segmental arc thickness is identical; Five, endoporus, the cylindrical of the sealing ring segmental arc of half finish turning step 4 gained, endoporus, cylindrical single face be 0.5mm high-volume, and cutting parameter is: rotating speed 30r/min, amount of feeding 0.2mm/r, cutting depth 0.5mm; Six, the sealing ring segmental arc that step 5 is obtained is clamped on the special fixture 2; Said special fixture 2 is made up of clamp body 2-1, pressing plate 2-2 and holding screw 2-3, and one and sealing ring segmental arc radian 1 corresponding grooves 2-1-1 are arranged on the said clamp body 2-1, utilizes clamp body two pressing groove that anchor clamps are installed tightly on Grinder bench; Again sealing ring segmental arc 1 is positioned in the clamp body groove 2-1-1 with inside and outside circular arc; The first end face 1-3 stretches out 10mm, with pressing plate clamped sealed ring, and the grinding first end face 1-3; The accurate second end face 1-4 of grinding according to said method guarantees end clearance 0.5 ± 0.05mm precision; Seven, endoporus, the cylindrical of the sealing ring segmental arc of finish turning step 6 gained, by setting dimensioned, cutting parameter is: rotating speed 30r/min, amount of feeding 0.2mm/r, cutting depth 0.2mm; Eight, rough turn seal groove 1-5 on the sealing ring segmental arc cylindrical of step 7 gained, cutting parameter is: rotating speed 20r/min, amount of feeding 0.05mm/r, cutting depth 4mm; Nine, the seal groove of the sealing ring segmental arc of finish turning step 8 gained, the finish turning cutting parameter is: rotating speed 14r/min, amount of feeding 0.08mm/r, cutting depth 0.4mm; Ten, the sealing ring segmental arc with the step 9 gained places on the boring machine, bores connecting hole 1-6 by setting size, processes 12 sealing ring segmental arcs successively, accomplishes the processing of sealing ring.
Annular raw material obtaining step in this embodiment: the rectangular plate of numerical control gas cutting, at the thick round as a ball ring of cylinder lathe, both ends of the surface add working drawing by length then, and end face is welded as whole circle, and last smart round as a ball ring is accomplished the manufacturing of annular raw material.
The beneficial effect of this embodiment is: owing to adopt rational chipping allowance to distribute, reduced the distortion in the sealing ring processing greatly; Optimized process program, sealing ring carried out stress removing,, prevented the stress deformation after the fine finishining to discharge the stress in the rough turn processing in rough turn processing back; Adopt special fixture during grinding sealing ring end face, guarantee accurate location, guaranteed the sealing ring required precision, using the precision of the sealing ring of this embodiment processing is 0.5 ± 0.03mm.
Claims (7)
1. the processing method of a sealing ring is characterized in that the processing method of sealing ring is carried out according to the following steps: one, the annular raw material is placed on the lathe endoporus, the cylindrical of the rough turn raw material of whole circle; The inner hole outer circularity single face is 1.5mm high-volume; Two plane single faces are 0.3～0.4mm high-volume, and cutting parameter is: rotating speed 32～42r/min, the amount of feeding 0.35～0.45mm/r; Cutting depth 2mm obtains blank; Two, the blank with the step 1 gained is placed on the wire cutting machine tool, presses the segmental arc length of setting, and cuts to be single-piece, obtains sealing ring segmental arc (1); Three, the sealing ring segmental arc (1) of step 2 gained is carried out stress removing, at first be heated to 500 ℃～650 ℃ with 2～3h, insulation 2h is cooled to 200 ℃～300 ℃ with 10～12h then, cools to room temperature at last with the furnace; Four, the sealing ring segmental arc (1) with the step 3 gained places surface grinding machine, and first plane (1-1) and second plane (1-2) of correct grinding sealing ring segmental arc guarantee that each sealing ring segmental arc thickness is identical; Five, endoporus, the cylindrical of the sealing ring segmental arc of half finish turning step 4 gained, endoporus, cylindrical single face be 0.5mm high-volume, and cutting parameter is: rotating speed 28～32r/min, the amount of feeding 0.15～0.25mm/r, cutting depth 0.5mm; Six, the sealing ring segmental arc that step 5 is obtained is clamped on the special fixture (2); Said special fixture (2) is made up of clamp body (2-1), pressing plate (2-2) and holding screw (2-3), and a groove (2-1-1) that adapts with sealing ring segmental arc (1) radian is arranged on the said clamp body (2-1), with anchor clamps tightly on Grinder bench; Again sealing ring segmental arc (1) is placed in the clamp body groove (2-1-1); First end face (1-3) stretches out 10mm, with pressing plate clamped sealed ring, and grinding first end face (1-3); Accurate second end face (1-4) of grinding according to said method guarantees end clearance 0.5 ± 0.05mm precision; Seven, endoporus, the cylindrical of the sealing ring segmental arc of finish turning step 6 gained, cutting parameter is: rotating speed 28～32r/min, the amount of feeding 0.15～0.25mm/r, cutting depth 0.2mm; Eight, rough turn seal groove (1-5) on the sealing ring segmental arc cylindrical of step 7 gained, cutting parameter is: rotating speed 18～22r/min, the amount of feeding 0.02～0.08mm/r, cutting depth 4mm; Nine, the seal groove of the sealing ring segmental arc of finish turning step 8 gained, the finish turning cutting parameter is: rotating speed 13～15r/min, the amount of feeding 0.06～0.10mm/r, cutting depth 0.4mm; Ten, the sealing ring segmental arc with the step 9 gained places on the boring machine, bores connecting hole (1-6), processes 12 sealing ring segmental arcs successively, accomplishes the processing of sealing ring.
2. the processing method of a kind of sealing ring according to claim 1 is characterized in that cutting parameter is in the step 1: rotating speed 37r/min, amount of feeding 0.4mm/r.
3. the processing method of a kind of sealing ring according to claim 1 and 2 is characterized in that the process of stress removing in the step 2 is: at first be heated to 600 ℃ with 2.5h, be incubated 2h, be cooled to 250 ℃ with 11h then, cool to room temperature at last with the furnace.
4. the processing method of a kind of sealing ring according to claim 1 and 2 is characterized in that cutting parameter is in the step 5: rotating speed 30r/min, amount of feeding 0.2mm/r.
5. the processing method of a kind of sealing ring according to claim 1 and 2 is characterized in that cutting parameter is in the step 7: rotating speed 30r/min, amount of feeding 0.2mm/r.
6. the processing method of a kind of sealing ring according to claim 1 and 2 is characterized in that cutting parameter is in the step 8: rotating speed 20r/min, amount of feeding 0.05mm/r.
7. the processing method of a kind of sealing ring according to claim 1 and 2 is characterized in that cutting parameter is in the step 9: rotating speed 14r/min, amount of feeding 0.08mm/r.
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| CN2011103293674A CN102501008A (en) | 2011-10-26 | 2011-10-26 | Method for processing sealing ring |
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| CN2011103293674A CN102501008A (en) | 2011-10-26 | 2011-10-26 | Method for processing sealing ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744572A (en) * | 2012-07-10 | 2012-10-24 | 哈尔滨汽轮机厂有限责任公司 | Sealing pad machining method |
| CN103090001A (en) * | 2012-11-16 | 2013-05-08 | 常州新瑞汽车配件制造有限公司 | Process for machining seal ring, having new structure, of turbocharger |
| CN103737258A (en) * | 2013-12-20 | 2014-04-23 | 东方电气集团东方汽轮机有限公司 | Method for machining air power equipment girdle |
| CN103752919A (en) * | 2014-01-09 | 2014-04-30 | 大连理工大学 | Non-circular expanded ring type sealing ring machining method |
| CN105108449A (en) * | 2015-07-24 | 2015-12-02 | 哈尔滨汽轮机厂有限责任公司 | Processing method for steam seal ring of steam turbine |
| CN105196093A (en) * | 2015-10-26 | 2015-12-30 | 镇江索达联轴器有限公司 | Tool used for turning seal ring V-type groove |
| CN105397604A (en) * | 2015-10-26 | 2016-03-16 | 霍凤伟 | Grinder for sealing ring |
| CN106312455A (en) * | 2016-08-26 | 2017-01-11 | 中航动力股份有限公司 | Machining method for split type metal sealing ring |
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| CN113305511A (en) * | 2021-05-27 | 2021-08-27 | 哈尔滨汽轮机厂有限责任公司 | Processing method for preventing elastic ring from deforming |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323073A (en) * | 2008-07-16 | 2008-12-17 | 无锡市中捷减震器有限公司 | Welding clamp for bracket for fixing engine |
| CN102049666A (en) * | 2010-07-27 | 2011-05-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for manufacturing large elastic obturating piston ring |
| CN102094969A (en) * | 2009-12-10 | 2011-06-15 | 上海电气电站设备有限公司 | Machining process for elastic sealing ring |
-
2011
- 2011-10-26 CN CN2011103293674A patent/CN102501008A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323073A (en) * | 2008-07-16 | 2008-12-17 | 无锡市中捷减震器有限公司 | Welding clamp for bracket for fixing engine |
| CN102094969A (en) * | 2009-12-10 | 2011-06-15 | 上海电气电站设备有限公司 | Machining process for elastic sealing ring |
| CN102049666A (en) * | 2010-07-27 | 2011-05-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for manufacturing large elastic obturating piston ring |
Non-Patent Citations (2)
| Title |
|---|
| 史金兰: "精密密封环的制造工艺研究", 《国防技术基础》 * |
| 赵立海: "石墨密封环精密加工工艺研究", 《机械工程师》 * |
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| CN103090001A (en) * | 2012-11-16 | 2013-05-08 | 常州新瑞汽车配件制造有限公司 | Process for machining seal ring, having new structure, of turbocharger |
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| CN103752919A (en) * | 2014-01-09 | 2014-04-30 | 大连理工大学 | Non-circular expanded ring type sealing ring machining method |
| CN103752919B (en) * | 2014-01-09 | 2016-01-13 | 大连理工大学 | A kind of not rounded packing type sealing ring processing method |
| CN105108449A (en) * | 2015-07-24 | 2015-12-02 | 哈尔滨汽轮机厂有限责任公司 | Processing method for steam seal ring of steam turbine |
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| CN105397604A (en) * | 2015-10-26 | 2016-03-16 | 霍凤伟 | Grinder for sealing ring |
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| CN108127337A (en) * | 2017-11-23 | 2018-06-08 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of nuclear power sleeve |
| CN108127337B (en) * | 2017-11-23 | 2019-05-24 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of nuclear power sleeve |
| CN108620820A (en) * | 2018-04-24 | 2018-10-09 | 哈尔滨汽轮机厂有限责任公司 | In a kind of steam turbine gas port sealing ring anti-deformation processing method is pressed into pressure outer shell |
| CN109578588A (en) * | 2018-11-23 | 2019-04-05 | 大同新成新材料股份有限公司 | A kind of graphite-seal ring and preparation method thereof |
| CN111716082A (en) * | 2020-06-30 | 2020-09-29 | 中国航发动力股份有限公司 | Method for processing difficult-to-process material belt boss structure piston ring parts |
| CN111716082B (en) * | 2020-06-30 | 2022-03-01 | 中国航发动力股份有限公司 | Machining method for expansion ring type part with boss structure |
| CN113305511A (en) * | 2021-05-27 | 2021-08-27 | 哈尔滨汽轮机厂有限责任公司 | Processing method for preventing elastic ring from deforming |
| CN113305511B (en) * | 2021-05-27 | 2022-07-22 | 哈尔滨汽轮机厂有限责任公司 | Processing method for preventing elastic ring from deforming |
| CN114015856A (en) * | 2021-10-29 | 2022-02-08 | 西安航天动力研究所 | Destressing system and method for end face sealing static ring of liquid rocket engine |
| CN114015856B (en) * | 2021-10-29 | 2023-06-27 | 西安航天动力研究所 | Destressing method of end face sealing static ring of liquid rocket engine |
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Application publication date: 20120620 |