CN103526009A - Vibration ageing method for stress relief and dimension stabilization of rotor bracket outer ring assembly - Google Patents
Vibration ageing method for stress relief and dimension stabilization of rotor bracket outer ring assembly Download PDFInfo
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- CN103526009A CN103526009A CN201310514061.5A CN201310514061A CN103526009A CN 103526009 A CN103526009 A CN 103526009A CN 201310514061 A CN201310514061 A CN 201310514061A CN 103526009 A CN103526009 A CN 103526009A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a new method for eliminating the welding residual stress of a rotor bracket outer ring assembly, controlling the dimension precision of the rotor bracket outer ring assembly, and meeting the assembling requirements and operation safety requirements of the rotor bracket. A frequency spectrum ageing method of vibration ageing is employed to perform vibratory stress relief treatment on the rotor bracket outer ring assembly, and the supporting position, the exciting position, the vibration pickup position, the vibration ageing time, the accelerated speed and other technological parameters in the vibration ageing process of the rotor bracket outer ring assembly are determined. The rotor bracket outer ring assembly provided by the invention adopts a frequency spectrum vibration ageing stress relief technology, thus effectively stabilizing the dimension precision of the rotor bracket outer ring assembly, solving the problem that the welding residual stress of a large complex welding structure piece like the rotor bracket outer ring assembly can affect the assembling dimension precision, and effectively improving the processing quality and production efficiency of the rotor bracket outer ring assembly. At the same time, resource and energy consumption is reduced, greenhouse gas emission is reduced, and good economic and social benefits are created.
Description
Technical field: the Vibration Aging Process that the present invention relates to a kind of rotor field spider outer ring assembly stress-removal and stable dimensions.
Background technology: rotor support power generator is the important component part of rotor, complex structure, working accuracy is high, is connection rotating shaft and yoke all-in-one-piece intermediate member, and while normally moving, rotor field spider will bear the weight, electromagnetic torque, the reactive forces such as centrifugal force of self of yoke and magnetic pole.Therefore, rotor field spider is the vitals of stressed complexity, and dimensional precision and welding residual stress are had relatively high expectations.
Rotor field spider outer ring assembly is welded by vertical rib plate and fanning strip, welding capacity is larger, and rotor field spider outer ring assembly exists higher welding residual stress can make workpiece produce distortion, and follow-up assembling processing is brought to disadvantageous effect, increase the difficulty of subsequent production, affected the quality of product.Tradition adopts the method for heat-treatment of annealing to eliminate unrelieved stress, stablizes rotor field spider outer ring assembly dimensional precision.But because rotor field spider outer ring assembly size greatly, easily produces thermal distortion, cause needing secondary correction of the flank shape to be processed, not only strengthened work difficulty, can again produce larger unrelieved stress simultaneously.Therefore, equipment for Heating Processing and heat treatment technics are all had higher requirements, meanwhile, heat-treatment of annealing process exist high energy consumption and greenhouse gas emission, production cycle long, take the problems such as Active workings for a long time.
Summary of the invention: a kind of Vibration Aging Process method that the present invention proposes rotor field spider outer ring assembly stress-removal and stable dimensions.By frequency spectrum vibration aging technology, under 5 frequencies, rotor field spider outer ring assembly is applied to dynamic stress, the unrelieved stress stack of dynamic stress and multiple dimensional distribution, while reaching the yield strength of material, produce local viscous deformation, thereby reduce peak value unrelieved stress, and make residual stress distribution homogenizing, improve parts non-deformability.Present method energy-conserving and environment-protective, cost is low, production efficiency is high, meets rotor field spider outer ring assembly stress-removal and processes needs.
Technical scheme of the present invention is: the Vibration Aging Process of rotor field spider outer ring assembly stress-removal and stable dimensions, adopt the method for frequency spectrum oscillating aging to carry out stress ageing processing to rotor field spider outer ring assembly, thereby steady-state deformation size, controls fitted position precision.Implement in vibratory stress relief process, rotor field spider outer ring assembly status is: rotor field spider outer ring assembly is generally divided into 4～6 lobes, every lobe is welded by some vertical rib plate and fanning strip according to different size, after each lobe rotor field spider outer ring assembly assembling group circle and before centrosome assembles, the method that adopts frequency spectrum oscillating aging, to the processing that eliminates stress of rotor field spider outer ring assembly, meets fitted position accuracy requirement, the every lobe of rotor field spider outer ring assembly is formed by some vertical rib plate and fanning strip welding according to different size, each lobe rotor field spider outer ring assembly assembling group circle after single-lobe has welded, and assemble with centrosome, before assembling with centrosome, need to guarantee dimensional precision, state after each lobe group circle and before centrosome assembling carries out frequency spectrum oscillating aging, the support section of rotor field spider outer ring assembly carries out resiliency supported by rubber pad, adopt the mode of four-point supporting, each support zone is approximate 90 ° and is distributed in outer pillar type column below, guarantee the stable of workpiece, vibrator is installed on the mid-way of two support sections, on fanning strip cylindrical between two columns that are connected with vertical rib plate, adopt C clamp that vibrator is closely fixed on fanning strip, magnetic-type vibro-pickup is placed in and vibrator is on the fanning strip position between two columns of 90 °, complete the connection of vibrator controller, adopt the shake mode of timeliness of frequency spectrum to carry out oscillating aging to rotor field spider outer ring assembly, that is: with vibrator, workpiece is applied to external periodic force, choose 5 timeliness frequencies workpiece is applied to vibration, 5 timeliness frequencies need have the acceleration of 2 above timeliness frequencies generations at 30～70m/s
2between, produce dynamic stress, with the unrelieved stress stack of multiple dimensional distribution, while reaching the yield strength of material, produce local viscous deformation, thereby reduce peak value unrelieved stress, and make residual stress distribution homogenizing, and improve non-deformability, the oscillating aging time is 40 minutes.
The invention has the beneficial effects as follows: obtained a kind of frequency spectrum vibration aging on eliminating rotor field spider outer ring assembly unrelieved stress, stable dimensions, control the novel method of distortion, guaranteeing to obtain good result aspect rotor field spider outer ring assembly fitted position precision, the stress-removal of this complicated welding structural element of rotor field spider outer ring assembly and the problem of fitted position precision have effectively been solved, processing quality and the production efficiency of rotor field spider outer ring assembly have been improved, simultaneously, energy consumption is low and without greenhouse gas emission, has good economic benefit and social benefit.
The unrelieved stress that vibratory stress reliefing technology is widely used in after the casting of machinery manufacturing industry metal works, forging, weldering and machining is eliminated and homogenizing, respond well aspect stable dimensions precision, in every field such as Aeronautics and Astronautics, weapons, generating set, lathe, mould, nuclear industry, engineering machinery, have a wide range of applications, meanwhile, this technology can reduce resources and energy consumption effectively, reduce greenhouse gas emission, created good economic benefit and social benefit.
Frequency spectrum vibration aging on eliminating rotor field spider outer ring assembly unrelieved stress of the present invention, stable dimensions, guarantee the novel method of fitted position precision, effective reduction, homogenizing welding residual stress, respond well aspect control workpiece size precision, many restrictions and problem that thermal treatment process is brought have been broken away from, have easy to operate, cost is low, efficiency is high, the feature of zero release, effectively solve the stress-removal of this complicated welding structural element of rotor field spider outer ring assembly and the problem of fitted position precision, improved processing quality and the production efficiency of rotor field spider outer ring assembly.
Accompanying drawing explanation
Fig. 1 is rotor field spider outer ring assembly structural representation
Fig. 2 is the A-A sectional view of Fig. 1
Embodiment
Adopt the method for frequency spectrum oscillating aging to carry out stress ageing processing to rotor field spider outer ring assembly, thereby effectively reduce, homogenizing unrelieved stress, control workpiece size precision.Implement in vibratory stress relief process, rotor field spider outer ring assembly status is: rotor field spider outer ring assembly is generally divided into 4～6 lobes, every lobe is welded by some vertical rib plate and fanning strip according to different size, after each lobe group circle and before centrosome assembles, the method that adopts frequency spectrum oscillating aging, to the processing that eliminates stress of rotor field spider outer ring assembly, meets fitted position accuracy requirement.
The specific embodiment of the invention is: before frequency spectrum oscillating aging, rotor field spider outer ring assembly structure as shown in Figure 1 and Figure 2, rotor field spider outer ring assembly 1 is welded by some vertical rib plate 2 and fanning strip 3, before assembling with centrosome, rotor field spider outer ring assembly 1 is adopted to the stable dimensions processing that eliminates stress of the method for frequency spectrum oscillating aging after the assembling of each lobe rotor field spider outer ring assembly group circle.First rotor field spider outer ring assembly 1 supports, the support section of rotor field spider outer ring assembly carries out resiliency supported by rubber pad 4, adopt the mode of four-point supporting, each support zone is approximate 90 ° and is distributed in outer pillar type column 5 belows, guarantee the stable of workpiece, vibrator 6 is installed on the mid-way of two support sections, on fanning strip 3 cylindricals between two columns 5 that are connected with vertical rib plate 2, adopt C clamp 7 that vibrator 6 is closely fixed on fanning strip 3, magnetic-type vibro-pickup 8 is placed in and vibrator 6 is on fanning strip 3 positions between two columns 5 of 90 °, complete the connection of vibrator controller, adopt the shake mode of timeliness of frequency spectrum to carry out frequency spectrum oscillating aging to rotor field spider outer ring assembly 1, that is: with 6 pairs of rotor field spider outer ring assemblies 1 of vibrator, apply external periodic force, choose five timeliness frequencies rotor field spider outer ring assembly 1 is applied to vibration, five timeliness frequencies need have the acceleration of two above timeliness frequencies generations at 30～70m/s
2between, produce dynamic stress, with the unrelieved stress stack of multiple dimensional distribution, while reaching the yield strength of material, produce local viscous deformation, thereby reduce peak value unrelieved stress, and make residual stress distribution homogenizing, and improve non-deformability, the oscillating aging time is 40 minutes.
Claims (1)
1. the oscillation time-effect method of a rotor field spider outer ring assembly stress-removal and stable dimensions, it is characterized in that: the frequency spectrum oscillation time-effect method that adopts oscillating aging is to the processing that eliminates stress of rotor field spider outer ring assembly, thereby control rotor field spider outer ring assembly (1) dimensional precision, meet matching requirements and the requirement of rotor field spider operating safety, implement in vibratory stress relief process, rotor field spider outer ring assembly (1) status is: rotor field spider outer ring assembly is generally divided into 4～6 lobes, every lobe is welded by some vertical rib plate (2) and fanning strip (3) according to different size, after each lobe group circle and before centrosome assembles, the method that adopts frequency spectrum oscillating aging is to rotor field spider outer ring assembly (1) processing that eliminates stress, meet fitted position accuracy requirement, after each lobe rotor field spider outer ring assembly (1) group circle, state before assembling with centrosome carries out frequency spectrum oscillating aging, the support section of rotor field spider outer ring assembly (1) carries out resiliency supported by rubber pad (4), adopt the mode of four-point supporting, each support zone is approximate 90 ° and is distributed in outer pillar type column (5) below, guarantee the stable of workpiece, vibrator (6) is installed on the mid-way of two support sections, on fanning strip (3) cylindrical between two columns (5) that are connected with vertical rib plate (2), adopt C clamp (7) that vibrator (6) is closely fixed on fanning strip (3), magnetic-type vibro-pickup (8) is placed in and vibrator (6) is on fanning strip (3) position between two columns (5) of 90 °, complete the connection of vibrator controller, adopt the shake mode of timeliness of frequency spectrum to carry out oscillating aging to rotor field spider outer ring assembly (1), that is: with vibrator (6), workpiece is applied to external periodic force, choose five timeliness frequencies workpiece is applied to vibration, five timeliness frequencies need have the acceleration of two above timeliness frequencies generations at 30～70m/s
2between, produce dynamic stress, with the unrelieved stress stack of multiple dimensional distribution, while reaching the yield strength of material, produce local viscous deformation, thereby reduce peak value unrelieved stress, and make residual stress distribution homogenizing, and improve non-deformability, the oscillating aging time is 40 minutes.
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| CN201310514061.5A CN103526009A (en) | 2013-10-28 | 2013-10-28 | Vibration ageing method for stress relief and dimension stabilization of rotor bracket outer ring assembly |
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| CN201310514061.5A CN103526009A (en) | 2013-10-28 | 2013-10-28 | Vibration ageing method for stress relief and dimension stabilization of rotor bracket outer ring assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475753A (en) * | 2020-10-22 | 2021-03-12 | 中船澄西船舶修造有限公司 | Fishing net cover anti-deformation tool |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4968359A (en) * | 1989-08-14 | 1990-11-06 | Bonal Technologies, Inc. | Stress relief of metals |
| CN101492766A (en) * | 2009-03-16 | 2009-07-29 | 苏州长菱测试技术有限公司 | Vibration aging method and device employing electric vibratory test system |
| CN102277475A (en) * | 2011-08-11 | 2011-12-14 | 山西平阳重工机械有限责任公司 | Vibratory stress relief corrected cylindrical part deforming method and anti-deformation restricting fixture |
| CN102676793A (en) * | 2012-03-15 | 2012-09-19 | 哈尔滨电机厂有限责任公司 | Vibratory stress relief technology for stress relief and dimensional stability of large cylindrical valves |
-
2013
- 2013-10-28 CN CN201310514061.5A patent/CN103526009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4968359A (en) * | 1989-08-14 | 1990-11-06 | Bonal Technologies, Inc. | Stress relief of metals |
| CN101492766A (en) * | 2009-03-16 | 2009-07-29 | 苏州长菱测试技术有限公司 | Vibration aging method and device employing electric vibratory test system |
| CN102277475A (en) * | 2011-08-11 | 2011-12-14 | 山西平阳重工机械有限责任公司 | Vibratory stress relief corrected cylindrical part deforming method and anti-deformation restricting fixture |
| CN102676793A (en) * | 2012-03-15 | 2012-09-19 | 哈尔滨电机厂有限责任公司 | Vibratory stress relief technology for stress relief and dimensional stability of large cylindrical valves |
Non-Patent Citations (1)
| Title |
|---|
| 侯世璞等: "频谱谐波振动时效在水轮发电机转子支架上的应用", 《金属加工(热加工)》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112475753A (en) * | 2020-10-22 | 2021-03-12 | 中船澄西船舶修造有限公司 | Fishing net cover anti-deformation tool |
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Application publication date: 20140122 |