CN110479925A - A kind of large size SRB wind power principal axis bearing outer-ring profiling milling method - Google Patents
A kind of large size SRB wind power principal axis bearing outer-ring profiling milling method Download PDFInfo
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- CN110479925A CN110479925A CN201910884104.6A CN201910884104A CN110479925A CN 110479925 A CN110479925 A CN 110479925A CN 201910884104 A CN201910884104 A CN 201910884104A CN 110479925 A CN110479925 A CN 110479925A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
Abstract
The invention discloses a kind of large size SRB wind power principal axis bearing outer-ring profiling milling methods, comprise the following steps that S1, by the base preparation stage, obtain the blank (2) of given process size；Wherein, OD- specifies forging outer diameter, ID- that forging internal diameter, H- is specified to specify forging height dimension；S2, changing planes in horizontal stone roller inputs blank dimension: OD1- blank outer diameter OD1=OD+x x > 0ID1- blank internal diameter ID1=ID-y y > 0H1- blank height H1=H+z z > 0；The present invention is rolled by the near-net-shape that cone roller presses the high poly- material of realization both ends of the surface that big Wall-Thickness Difference SRB bearing race can be achieved, and the working face goodness of fit is high, metal streamline cutting is reduced, is conducive to product overall performance and is promoted, product fatigue life is high, the high poly- material stable production process of realization both ends of the surface is pressed by cone roller, good product consistency, quality problems are few, press the high poly- material high production efficiency of realization both ends of the surface by cone roller, it feeds intake few, at low cost, stock utilization is high, is conducive to occupation rate of market promotion.
Description
Technical field
The present invention relates to wind power principal axis bearing outer-ring manufacturing technology field, specially a kind of large size SRB wind power principal axis bearing outer-ring
Profiling milling method.
Background technique
In recent years with the continuous development of wind-power market, large-scale SRB wind power principal axis bearing size is increasing, product Wall-Thickness Difference
Increasing, the near-net-shape of the outer ring SRB becomes an extremely challenging project.Traditional forging method generally presses square
Shape ring carries out forging or rolls, and production technology is outmoded, raw material investment is more, Vehicle Processing section chief, causes SRB wind power principal axis bearing cost
It can not have always been high any more；Vehicle Processing removal obtains required product cutting metal streamline more than material, makes feed stock material defect exposed,
The fatigue strength for reducing bearing causes bearing failure also to happen occasionally；Split bearing forging supplier is logical also to attempt logical overpressure mechanisms
The pre- sub-material of base realizes a small amount of profiling of individual product, and so the reduction of raw raw material investment, but needs that more costs of labor is spent
It makes up, due to the limitation of technique, production is high to employee skill requirement, process stability is poor, is difficult to realize lot-size
Metaplasia produces；It can only realize local profiling and big close to profiling production, product individual difference, there are quality risks；It is lacked for above-mentioned
It falls into, so it is necessary that we, which design a kind of large size SRB wind power principal axis bearing outer-ring profiling milling method,.
Summary of the invention
The purpose of the present invention is to provide a kind of large size SRB wind power principal axis bearing outer-ring profiling milling methods, pass through cone roller pressure
Height realizes that the near-net-shape rolling of big Wall-Thickness Difference SRB bearing race can be achieved in the poly- material of both ends of the surface, and the working face goodness of fit is high, reduces gold
Belong to streamline cutting, promoted conducive to product overall performance, product fatigue life is high, presses the poly- material production of high realization both ends of the surface by cone roller
Process is stablized, and good product consistency, quality problems are few, presses the high poly- material high production efficiency of realization both ends of the surface by cone roller, feeds intake few,
At low cost, stock utilization is high, is conducive to occupation rate of market promotion.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of large size SRB wind power principal axis bearing outer-ring profiling milling method, comprises the following steps that
S1, pass through the base preparation stage, obtain the blank of given process size；
Wherein, OD- specifies forging outer diameter, ID- that forging internal diameter, H- is specified to specify forging height dimension；
S2, changing planes in horizontal stone roller inputs blank dimension:
OD1- blank outer diameter OD1=OD+x x > 0
ID1- blank internal diameter ID1=ID-y y > 0
H1- blank height H1=H+z z > 0；
S3, starting rolling process sequence, shielding core roller tooling feeding, no radial rolling start axially rolled, cone roller in pushing, by upper
Cone roller, the interaction of lower cone roller, are completely depressed into position in this stage for blank height volume under pressure h, blank height H1 presses to forging
Part blank height H forms blank among the I-shaped that internal diameter is all recessed；
Cone roller pushes on S4, stopping, state of pressure keeping of going forward side by side, and guarantees that forging blank height H is constant, starts radial rolling, core roller work
Fill it is close to home roll tooling, core roller tooling gradually to blank, home roll tooling is close and starts to roll, since home roll tooling diameter is big
In core roller tooling diameter, blank is gradually completing pre- core roller tooling fitting, and outer diameter is gradually bonded with home roll tooling, and blank is in core roller work
The continuous effect of dress and home roll tooling is lower to complete rolling.
Beneficial effects of the present invention: it comprises the following steps that
S1, pass through the base preparation stage, obtain the blank of given process size；
Wherein, OD- specifies forging outer diameter, ID- that forging internal diameter, H- is specified to specify forging height dimension；
S2, changing planes in horizontal stone roller inputs blank dimension:
OD1- blank outer diameter OD1=OD+x x > 0
ID1- blank internal diameter ID1=ID-y y > 0
H1- blank height H1=H+z z > 0；
S3, starting rolling process sequence, shielding core roller tooling feeding, no radial rolling start axially rolled, cone roller in pushing, by upper
Cone roller, the interaction of lower cone roller, are completely depressed into position in this stage for blank height volume under pressure h, blank height H1 presses to forging
Part blank height H forms blank among the I-shaped that internal diameter is all recessed；
Cone roller pushes on S4, stopping, state of pressure keeping of going forward side by side, and guarantees that forging blank height H is constant, starts radial rolling, core roller work
Fill it is close to home roll tooling, core roller tooling gradually to blank, home roll tooling is close and starts to roll, since home roll tooling diameter is big
In core roller tooling diameter, blank is gradually completing pre- core roller tooling fitting, and outer diameter is gradually bonded with home roll tooling, and blank is in core roller work
The continuous effect of dress and home roll tooling is lower to complete rolling；
The structure is rolled by the near-net-shape that cone roller presses the high poly- material of realization both ends of the surface that big Wall-Thickness Difference SRB bearing race can be achieved,
The working face goodness of fit is high, reduces metal streamline cutting, is conducive to product overall performance and is promoted, and product fatigue life is high, passes through cone roller
The poly- material stable production process of the high realization both ends of the surface of pressure, good product consistency, quality problems are few, press high realization both ends of the surface by cone roller
Poly- material high production efficiency, feeds intake few, and at low cost, stock utilization is high, is conducive to occupation rate of market promotion.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the horizontal ring rolls home roll tooling drawing of the present invention；
Fig. 2 is the horizontal ring rolls home roll tooling drawing of the present invention；
Fig. 3 is the horizontal rolling ring machine core roller tooling drawing of the present invention；
Fig. 4 is cone roller figure on the horizontal ring rolls of the present invention；
Fig. 5 is cone roller figure under the horizontal ring rolls of the present invention；
Fig. 6 is process flow chart of the invention；
In figure: 1, home roll tooling；2, blank；3, core roller tooling；4, upper cone roller；5, lower cone roller.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff all other embodiment obtained without creative efforts belongs to what the present invention protected
Range.
As shown in figures 1 to 6, a kind of large size SRB wind power principal axis bearing outer-ring profiling milling method, comprises the following steps that
S1, pass through the base preparation stage, obtain the blank 2 of given process size；
Wherein, OD- specifies forging outer diameter, ID- that forging internal diameter, H- is specified to specify forging height dimension；
S2, changing planes in horizontal stone roller inputs blank dimension:
OD1- blank outer diameter OD1=OD+x x > 0
ID1- blank internal diameter ID1=ID-y y > 0
2 height H1=H+z z > 0 of H1- blank；
S3, starting rolling process sequence, shielding core roller tooling 3 are fed, and no radial rolling, starting is axially rolled, and cone roller 4 in pushing pass through
Upper cone roller 4, lower cone roller 5 interact, and 2 height volume under pressure h of blank are completely depressed into position in this stage, under 2 height H1 of blank
It is depressed into forging blank height H, forms blank 2 among the I-shaped that internal diameter is all recessed；
Cone roller 4 pushes on S4, stopping, state of pressure keeping of going forward side by side, and guarantees that forging blank height H is constant, starts radial rolling, core roller work
Fill it is 3 close to home roll tooling 1, core roller tooling 3 gradually to blank 2, home roll tooling 1 is close and starts to roll, due to home roll tooling 1
Diameter is greater than 3 diameter of core roller tooling, and blank 2 is gradually completing pre- core roller tooling 3 and is bonded, and outer diameter is gradually bonded with home roll tooling 1, base
Material 2 completes rolling under the continuous effect of core roller tooling 3 and home roll tooling 1.
The working principle of the invention: it comprises the following steps that
S1, pass through the base preparation stage, obtain the blank 2 of given process size；
Wherein, OD- specifies forging outer diameter, ID- that forging internal diameter, H- is specified to specify forging height dimension；
S2, changing planes in horizontal stone roller inputs blank dimension:
OD1- blank outer diameter OD1=OD+x x > 0
ID1- blank internal diameter ID1=ID-y y > 0
2 height H1=H+z z > 0 of H1- blank；
S3, starting rolling process sequence, shielding core roller tooling 3 are fed, and no radial rolling, starting is axially rolled, and cone roller 4 in pushing pass through
Upper cone roller 4, lower cone roller 5 interact, and 2 height volume under pressure h of blank are completely depressed into position in this stage, under 2 height H1 of blank
It is depressed into forging blank height H, forms blank 2 among the I-shaped that internal diameter is all recessed；
Cone roller 4 pushes on S4, stopping, state of pressure keeping of going forward side by side, and guarantees that forging blank height H is constant, starts radial rolling, core roller work
Fill it is 3 close to home roll tooling 1, core roller tooling 3 gradually to blank 2, home roll tooling 1 is close and starts to roll, due to home roll tooling 1
Diameter is greater than 3 diameter of core roller tooling, and blank 2 is gradually completing pre- core roller tooling 3 and is bonded, and outer diameter is gradually bonded with home roll tooling 1, base
Material 2 completes rolling under the continuous effect of core roller tooling 3 and home roll tooling 1；
The structure is rolled by the near-net-shape that cone roller presses the high poly- material of realization both ends of the surface that big Wall-Thickness Difference SRB bearing race can be achieved,
The working face goodness of fit is high, reduces metal streamline cutting, is conducive to product overall performance and is promoted, and product fatigue life is high, passes through cone roller
The poly- material stable production process of the high realization both ends of the surface of pressure, good product consistency, quality problems are few, press high realization both ends of the surface by cone roller
Poly- material high production efficiency, feeds intake few, and at low cost, stock utilization is high, is conducive to occupation rate of market promotion.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (1)
1. a kind of large size SRB wind power principal axis bearing outer-ring profiling milling method, which is characterized in that comprise the following steps that
S1, pass through the base preparation stage, obtain the blank (2) of given process size；
Wherein, OD- specifies forging outer diameter, ID- that forging internal diameter, H- is specified to specify forging height dimension；
S2, changing planes in horizontal stone roller inputs blank dimension:
OD1- blank outer diameter OD1=OD+x x > 0
ID1- blank internal diameter ID1=ID-y y > 0
H1- blank (2) height H1=H+z z > 0；
S3, starting rolling process sequence, shielding core roller tooling (3) feeding, no radial rolling start axially rolled, cone roller (4) in pushing,
It is interacted by upper cone roller (4), lower cone roller (5), blank (2) height volume under pressure h is completely depressed into position, blank in this stage
(2) height H1 presses to forging blank height H, forms blank (2) among the I-shaped that internal diameter is all recessed；
Cone roller (4) pushes on S4, stopping, state of pressure keeping of going forward side by side, and guarantees that forging blank height H is constant, starts radial rolling, core roller
Tooling (3) is close to home roll tooling (1), core roller tooling (3) gradually to blank (2), home roll tooling (1) is close and starts to roll,
Since home roll tooling (1) diameter is greater than core roller tooling (3) diameter, blank (2) is gradually completing pre- core roller tooling (3) fitting, outer diameter
It is gradually bonded with home roll tooling (1), blank (2) completes rolling under the continuous effect of core roller tooling (3) and home roll tooling (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910884104.6A CN110479925A (en) | 2019-09-19 | 2019-09-19 | A kind of large size SRB wind power principal axis bearing outer-ring profiling milling method |
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| CN201910884104.6A CN110479925A (en) | 2019-09-19 | 2019-09-19 | A kind of large size SRB wind power principal axis bearing outer-ring profiling milling method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420992A (en) * | 2020-01-03 | 2020-07-17 | 华中科技大学 | Sizing rolling forming method for axial inner rib cylindrical part |
| CN111673022A (en) * | 2020-06-19 | 2020-09-18 | 中国船舶重工集团公司第七二五研究所 | Copper-nickel alloy flange rolling forming method |
| CN112170748A (en) * | 2020-09-30 | 2021-01-05 | 贵州安大航空锻造有限责任公司 | Ti2Rolling forming method of AlNb-based alloy basin-shaped ring forging |
| CN112475160A (en) * | 2020-11-20 | 2021-03-12 | 洛阳Lyc轴承有限公司 | Device and method for forming and rolling inner sleeve outer diameter raceway of wind power main shaft forging |
| CN116393631A (en) * | 2023-06-06 | 2023-07-07 | 江苏翔能科技发展有限公司 | Green forming manufacturing method of large-sized bearing ring based on cone roller end rolling blank |
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| DE2504969A1 (en) * | 1975-02-06 | 1976-08-19 | Horst Schenk | Annular workpiece rolling mill - forms blank in revolving guide by radially acting mandrel roll and axial rolls |
| CN101020282A (en) * | 2006-12-06 | 2007-08-22 | 贵州安大航空锻造有限责任公司 | Rolling forming process for large hollow disc forging |
| CN103962482A (en) * | 2014-04-14 | 2014-08-06 | 太原科技大学 | Rolling technology of large wind power flange |
| CN105170850A (en) * | 2015-09-23 | 2015-12-23 | 定州市金华蓝天汽车零部件有限公司 | Centrifugal casting duplex-metal composite ring part hot extend-rolling forming technology |
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| DE2504969A1 (en) * | 1975-02-06 | 1976-08-19 | Horst Schenk | Annular workpiece rolling mill - forms blank in revolving guide by radially acting mandrel roll and axial rolls |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420992A (en) * | 2020-01-03 | 2020-07-17 | 华中科技大学 | Sizing rolling forming method for axial inner rib cylindrical part |
| CN111420992B (en) * | 2020-01-03 | 2021-06-11 | 华中科技大学 | Sizing rolling forming method for axial inner rib cylindrical part |
| CN111673022A (en) * | 2020-06-19 | 2020-09-18 | 中国船舶重工集团公司第七二五研究所 | Copper-nickel alloy flange rolling forming method |
| CN111673022B (en) * | 2020-06-19 | 2022-06-10 | 中国船舶重工集团公司第七二五研究所 | Copper-nickel alloy flange rolling forming method |
| CN112170748A (en) * | 2020-09-30 | 2021-01-05 | 贵州安大航空锻造有限责任公司 | Ti2Rolling forming method of AlNb-based alloy basin-shaped ring forging |
| CN112475160A (en) * | 2020-11-20 | 2021-03-12 | 洛阳Lyc轴承有限公司 | Device and method for forming and rolling inner sleeve outer diameter raceway of wind power main shaft forging |
| CN116393631A (en) * | 2023-06-06 | 2023-07-07 | 江苏翔能科技发展有限公司 | Green forming manufacturing method of large-sized bearing ring based on cone roller end rolling blank |
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Application publication date: 20191122 |