CN102728756B - Wind power spindle flange upsetting process - Google Patents

Wind power spindle flange upsetting process Download PDF

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Publication number
CN102728756B
CN102728756B CN201210213987.6A CN201210213987A CN102728756B CN 102728756 B CN102728756 B CN 102728756B CN 201210213987 A CN201210213987 A CN 201210213987A CN 102728756 B CN102728756 B CN 102728756B
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China
Prior art keywords
jumping
forging
time
wind power
rotary
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CN201210213987.6A
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Chinese (zh)
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CN102728756A (en
Inventor
葛艳明
杨志华
袁志伟
殷定保
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江苏金源锻造股份有限公司
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Priority to CN201210213987.6A priority Critical patent/CN102728756B/en
Publication of CN102728756A publication Critical patent/CN102728756A/en
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Abstract

The invention discloses a wind power spindle flange upsetting process, which comprises the following steps of: performing a first upsetting sate by a rotating local upsetting process, and by combining an overturning process; and arranging a loop on the excircle of the forging and continuing to perform a second upsetting stage process. When the process is used, forging cost and labor intensity are reduced, and the nonuniformity of deformation is relieved.

Description

A kind of wind power principal axis flange upset forging process

Technical field

Technical field of wind power generator of the present invention, particularly relates to a kind of wind power principal axis flange upset forging process.

Background technology

Society, along with the problems such as global energy shortage and environmental pollution are increasingly serious, searching regenerative resource has become the key subjects that countries in the world face.And nature wind energy is compared with other energy, not only reserves are large, widely distributed, never exhausted, but also it is short, stronger than the basic less investment of the construction of hydropower stations, flexibility to have upper detective, construction period, and can effectively contain greenhouse effects and Sandstorm Disaster, the features such as environmental protection, therefore wind-power electricity generation becomes the emphasis of research day by day.

Flange of wind power generation tower barrel (hereinafter referred to as wind power flange) is the crucial connector of wind-power tower, support member and stressed member, wind power flange has very high requirement to quality, this is mainly because wind power equipment needs to work in the wild, stand various extremely atrocious weather environment, therefore, wind power flange must meet the performance of high strength, high tenacity, low-temperature impact resistance.And in wind power equipment, wind power flange all has very large diameter, and its diameter is general all between 1050 ~ 1600mm, and axle body length is between 2400 ~ 4000mm, they have forged technological difficulties on hydraulic press, and that is exactly the wind power flange of how forging wind power principal axis end.At present, large-scale wind electricity main-axis end wind power flange jumping-up adopts traditional forging method to carry out, and this method forged can cause producing the uneven problem of distortion when jumping-up.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art, a kind of upset forging process that can improve the wind electricity main-axis end wind power flange of deformation uniformity is provided.

The upset forging process of wind power flange of the present invention comprises the steps:

1. the preparation of wind power flange steel billet, 1300 DEG C are warming up at converter, add steelmaking feed to be refined into the Hi-Stren steel blank for wind power flange, wherein the chemical composition of Hi-Stren steel is: carbon: 0.25 ~ 0.60wt%, silicon: 0.35 ~ 0.50wt%, manganese: 1.2 ~ 1.70wt%, phosphorus: 0.015 ~ 0.025wt%, sulphur: 0.012 ~ 0.02wt%, chromium: 0.30 ~ 0.80wt%, molybdenum: 0.10 ~ 0.30, vanadium: 0.15 ~ 0.30wt%, nickel: 0.30 ~ 0.50wt%, copper: 0.15 ~ 0.3wt%, nitrogen: 0.015 ~ 0.05wt%, titanium :≤0.2wt%, niobium :≤0.06wt%, surplus is iron, then described Hi-Stren steel blank continuous casting is become Φ 1500mm blank, described blank obtains the forging for wind power flange after forging,

2. the first jumping-up stage of forging, this the first jumping-up stage be repeatedly replace first time jumping-up with second time jumping-up: with suspender the vertical wind power principal axis flange forge piece holded up hung among the jumping-up equipment be made up of heading die and rotary table, forging is fixed on rotary table, adopts hydraulic press to carry out described first time jumping-up in the first jumping-up stage to forging; Its process is: first carry out jumping-up to a part for forging, after this part of jumping-up, rotary table is rotated, then jumping-up is carried out to an other part for forging, so constantly jumping-up rotates, till the whole surface of forging all completes jumping-up, ensure forging to be upset as circle with this; The second time jumping-up in the first jumping-up stage, forging on rotary table is sling by suspender, again rotary table is fixed on after turning over turnback, same employing hydraulic press carries out second time jumping-up to the forging completing first time jumping-up, and the process of described second time jumping-up is identical with the process of jumping-up for the first time; Repeat first time jumping-up and the technique of second time jumping-up, till until the height of described forging by jumping-up being the half of this forging original height;

3. the collar, adds the overcoat of a carbon steel in the outer ring of the forging of completing steps 2;

4. the second jumping-up stage of forging, this second jumping-up stage is the first time jumping-up and second time jumping-up repeatedly replaced: adopt hydraulic press to carry out described first time jumping-up in the second jumping-up stage to forging; Its process is: first carry out jumping-up to a part for forging, and after this part of jumping-up, rotated by rotary table, then carry out jumping-up to an other part for forging, so constantly jumping-up rotates, till the whole surface of forging all completes jumping-up; Second time jumping-up, forging on rotary table is sling by suspender, after turning over turnback, be again fixed on rotary table, the same hydraulic press that adopts carries out second time jumping-up to the forging completing first time jumping-up, and the process of described second time jumping-up is identical with the process of jumping-up for the first time; Repeat first time jumping-up and the technique of second time jumping-up, until described forging by jumping-up for final for after the size needed for wind power principal axis flange, the collar has been removed upset forging process.

Wherein, described hydraulic press can adopt 3150T hydraulic press or 5000T hydraulic press, preferably adopts 5000T hydraulic press.

Accompanying drawing explanation

Fig. 1 is the first stage upset forging process schematic diagram of the embodiment of the present invention;

Fig. 2 is the upset forging process schematic diagram after the embodiment of the present invention adds the collar;

Detailed description of the invention

In order to technical scheme of the present invention is clearly described, below by describing embodiments of the invention by reference to the accompanying drawings.

Embodiment

The upset forging process of wind power flange of the present invention comprises the steps:

First, prepare in converter of the present invention for wind power principal axis flange steel billet.1300 DEG C are warming up at converter, add steelmaking feed to be refined into the Hi-Stren steel blank for wind power flange, wherein the chemical composition of Hi-Stren steel is: carbon: 0.25 ~ 0.60wt%, silicon: 0.35 ~ 0.50wt%, manganese: 1.2 ~ 1.70wt%, phosphorus: 0.015 ~ 0.025wt%, sulphur: 0.012 ~ 0.02wt%, chromium: 0.30 ~ 0.80wt%, molybdenum: 0.10 ~ 0.30, vanadium: 0.15 ~ 0.30wt%, nickel: 0.30 ~ 0.50wt%, copper: 0.15 ~ 0.3wt%, nitrogen: 0.015 ~ 0.05wt%, titanium :≤0.2wt%, niobium :≤0.06wt%, surplus is iron, then described Hi-Stren steel blank continuous casting is become Φ 1500mm blank, described blank obtains the forging for wind power flange after forging,

Then, please refer to Fig. 1, carry out the first jumping-up stage of forging, this first jumping-up stage be repeatedly replace first time jumping-up and second time jumping-up.The wind power principal axis flange forge piece vertically holded up hung among the jumping-up equipment be made up of heading die and rotary table with suspender, forging is fixed on rotary table, adopt hydraulic press to carry out described first time jumping-up in the first jumping-up stage to forging; Now, the A of forging faces up, and B faces down; The process of jumping-up is: first carry out jumping-up to a part for forging, after this part of jumping-up, rotary table is rotated, then jumping-up is carried out to an other part for forging, so constantly jumping-up rotates, till the whole surface of forging all completes jumping-up, ensure forging to be upset as circle with this.After completing first time jumping-up, then carry out the second time jumping-up in the first jumping-up stage.Sling by suspender by the forging on rotary table, again rotary table is fixed on after turning over turnback, now, the A of forging faces down, B faces up, same employing hydraulic press carries out second time jumping-up to the forging completing first time jumping-up, and the process of described second time jumping-up is identical with the process of jumping-up for the first time; Repeat first time jumping-up and the technique of second time jumping-up, till until the height of described forging by jumping-up being the half of this forging original height, namely as shown in Figure 1, the height of forging is h/2 by original height h by jumping-up;

Then, the collar is carried out to the forging completing for the first jumping-up stage, as shown in Figure 2, add the collar of a carbon steel in the outer ring of forging; Material due to forging is steel alloy, therefore adopts the main purpose adding the collar to forging to be the additional potential stress reduced by the radial pressure of the collar in upsetting process, thus the distortion reducing upsetting process is uneven;

Finally, carry out the second jumping-up stage of forging, this second jumping-up stage be repeatedly replace first time jumping-up and second time jumping-up, this second jumping-up stage also can with reference to figure 1, and difference is, in the second jumping-up stage, forging outer ring additionally puts the carbon steel collar.Hydraulic press is adopted to carry out described first time jumping-up in the second jumping-up stage to forging; Its process is: first carry out jumping-up to a part for forging, and after this part of jumping-up, rotated by rotary table, then carry out jumping-up to an other part for forging, so constantly jumping-up rotates, till the whole surface of forging all completes jumping-up; Second time jumping-up, forging on rotary table is sling by suspender, after turning over turnback, be again fixed on rotary table, the same hydraulic press that adopts carries out second time jumping-up to the forging completing first time jumping-up, and the process of described second time jumping-up is identical with the process of jumping-up for the first time; Repeat first time jumping-up and the technique of second time jumping-up, until described forging by jumping-up for final for after the size needed for wind power principal axis flange, the collar has been removed upset forging process.

Wherein, described hydraulic press can adopt 3150T hydraulic press or 5000T hydraulic press, preferably adopts 5000T hydraulic press.

Adopt wind power principal axis flange upset forging process of the present invention, can Reducing distortion inhomogeneities.

Although described specific embodiments more of the present invention; but it is not intended to limit the present invention; protection scope of the present invention is limited to the appended claims; and those skilled in the art are not when departing from claims protection domain, various amendment can be made to the present invention.

Claims (1)

1. a upset forging process for wind power principal axis flange, is characterized in that, comprises the following steps:
(1) preparation of wind power flange steel billet, 1300 DEG C are warming up at converter, add steelmaking feed to be refined into the Hi-Stren steel blank for wind power flange, wherein the chemical composition of Hi-Stren steel is: carbon: 0.25 ~ 0.60wt%, silicon: 0.35 ~ 0.50wt%, manganese: 1.70wt%, phosphorus: 0.025wt%, sulphur: 0.02wt%, chromium: 0.30wt%, molybdenum: 0.10wt%, vanadium: 0.15 ~ 0.30wt%, nickel: 0.30 ~ 0.50wt%, copper: 0.3wt%, nitrogen: 0.015wt%, titanium :≤0.2wt%, niobium :≤0.06wt%, surplus is iron, then described Hi-Stren steel blank continuous casting is become Φ 1500mm blank, described blank obtains the forging for wind power flange after forging,
(2) the first jumping-up stage of forging, this the first jumping-up stage be repeatedly replace first time jumping-up with second time jumping-up: with suspender the vertical wind power principal axis flange forge piece holded up hung among the jumping-up equipment be made up of heading die and rotary table, forging is fixed on rotary table, adopts 5000T hydraulic press to carry out described first time jumping-up in the first jumping-up stage to forging; Its process is: first carry out jumping-up to a part for forging, after this part of jumping-up, rotary table is rotated, then jumping-up is carried out to an other part for forging, so constantly jumping-up rotates, till the whole surface of forging all completes jumping-up, ensure forging to be upset as circle with this; The second time jumping-up in the first jumping-up stage, forging on rotary table is sling by suspender, again rotary table is fixed on after turning over turnback, same employing 5000T hydraulic press carries out second time jumping-up to the forging completing first time jumping-up, and the process of described second time jumping-up is identical with the process of jumping-up for the first time; Repeat first time jumping-up and the technique of second time jumping-up, till until the height of described forging by jumping-up being the half of this forging original height;
(3) collar, adds the overcoat of a carbon steel in the outer ring of the forging of completing steps 2;
(4) the second jumping-up stage of forging, this second jumping-up stage is the first time jumping-up and second time jumping-up repeatedly replaced: adopt 5000T hydraulic press to carry out described first time jumping-up in the second jumping-up stage to forging; Its process is: first carry out jumping-up to a part for forging, and after this part of jumping-up, rotated by rotary table, then carry out jumping-up to an other part for forging, so constantly jumping-up rotates, till the whole surface of forging all completes jumping-up; Second time jumping-up, forging on rotary table is sling by suspender, after turning over turnback, be again fixed on rotary table, the same 5000T hydraulic press that adopts carries out second time jumping-up to the forging completing first time jumping-up, and the process of described second time jumping-up is identical with the process of jumping-up for the first time; Repeat first time jumping-up and the technique of second time jumping-up, until described forging by jumping-up for final for after the size needed for wind power principal axis flange, the collar has been removed upset forging process.
CN201210213987.6A 2012-06-27 2012-06-27 Wind power spindle flange upsetting process CN102728756B (en)

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CN102921852B (en) * 2012-11-14 2014-11-26 西部钛业有限责任公司 Preparation method of Ti31 titanium alloy flange forge piece
CN103045961B (en) * 2012-12-21 2015-02-04 无锡市华尔泰机械制造有限公司 Anchoring flange and manufacturing process thereof
CN103031500B (en) * 2012-12-21 2014-12-10 无锡市华尔泰机械制造有限公司 Large-diameter flange and preparation process thereof
CN104801643A (en) * 2015-02-01 2015-07-29 江苏金源锻造股份有限公司 Forging technology of lifting hook
CN106591680B (en) * 2016-11-09 2018-02-23 江阴兴澄特种钢铁有限公司 A kind of technique of continuous casting billet production deep-sea wellhead for production CrNiMo30C steel forging materials
CN110038989A (en) * 2019-04-02 2019-07-23 石钢京诚装备技术有限公司 A kind of hot forging process of wind power flange

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1830596A (en) * 2004-10-29 2006-09-13 斯奈克玛 Method for processing metal slug, apparatus and method for implementing the same
CN101293267A (en) * 2008-05-23 2008-10-29 江阴风电法兰制造有限公司 Continuous upsetting method for large flange at axle end of large-scale wind power principal axle
CN201201028Y (en) * 2008-06-02 2009-03-04 江阴振宏重型锻造有限公司 Wind power main spindle big end upsetting apparatus
CN101456057A (en) * 2008-12-01 2009-06-17 江阴风电法兰制造有限公司 Large-scale wind electricity main-axis end large-flange tyre die forging tool and method
CN101722260A (en) * 2009-12-10 2010-06-09 中冶陕压重工设备有限公司 Free forging method of forge piece of rotary arms
CN101767174A (en) * 2010-02-25 2010-07-07 无锡透平叶片有限公司 Loose tooling upsetting device of continuous upsetting heads at both ends of long rod material
CN102000756A (en) * 2010-09-26 2011-04-06 青特集团有限公司 Tool for adjusting length of semi-axle upsetting rod
CN102433503A (en) * 2011-12-16 2012-05-02 江阴同庆机械制造有限公司 Wind power flange alloy steel and preparation technology of parts thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1830596A (en) * 2004-10-29 2006-09-13 斯奈克玛 Method for processing metal slug, apparatus and method for implementing the same
CN101293267A (en) * 2008-05-23 2008-10-29 江阴风电法兰制造有限公司 Continuous upsetting method for large flange at axle end of large-scale wind power principal axle
CN201201028Y (en) * 2008-06-02 2009-03-04 江阴振宏重型锻造有限公司 Wind power main spindle big end upsetting apparatus
CN101456057A (en) * 2008-12-01 2009-06-17 江阴风电法兰制造有限公司 Large-scale wind electricity main-axis end large-flange tyre die forging tool and method
CN101722260A (en) * 2009-12-10 2010-06-09 中冶陕压重工设备有限公司 Free forging method of forge piece of rotary arms
CN101767174A (en) * 2010-02-25 2010-07-07 无锡透平叶片有限公司 Loose tooling upsetting device of continuous upsetting heads at both ends of long rod material
CN102000756A (en) * 2010-09-26 2011-04-06 青特集团有限公司 Tool for adjusting length of semi-axle upsetting rod
CN102433503A (en) * 2011-12-16 2012-05-02 江阴同庆机械制造有限公司 Wind power flange alloy steel and preparation technology of parts thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
700MW级水轮机主轴内法兰终锻成形工艺数值模拟研究;董岚枫等;《锻压装备与制造技术》;20070630(第03期);第55-60页 *

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Address after: 213300 No. 8, Zhongguancun Avenue, Liyang, Jiangsu

Patentee after: Jiangsu Jinyuan High-end Equipment Co., Ltd.

Address before: 213376 No. 1008 Ling Ling West Road, Jiangsu, Liyang

Patentee before: Jiangsu Jinyuan Forging Co., Ltd.