CN102974975B - Manufacture the method for wind power flange - Google Patents
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- CN102974975B CN102974975B CN201210438938.2A CN201210438938A CN102974975B CN 102974975 B CN102974975 B CN 102974975B CN 201210438938 A CN201210438938 A CN 201210438938A CN 102974975 B CN102974975 B CN 102974975B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000005242 forging Methods 0.000 claims abstract description 37
- 238000003754 machining Methods 0.000 claims abstract description 30
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 14
- 238000009628 steelmaking Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052729 chemical element Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000011651 chromium Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 239000010955 niobium Substances 0.000 claims description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007670 refining Methods 0.000 abstract 1
- 238000007730 finishing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
本发明公开了一种制造风电法兰的方法，包括步骤：在炼钢炉中精炼出合金钢坯料；以所述合金钢为坯料,经锻造制坯辗环、热处理、金加工后得到所述的风电法兰环锻件；将锻造后的坯料进行热处理；采用数控径-轴向碾环机将锻造后的所述锻件加工成符合尺寸的风电法兰工件；对所述工件进行粗加工和精加工；对完成粗加工和精加工后的风电法兰进行手工倒角、探伤等工艺。The invention discloses a method for manufacturing a wind power flange, which comprises the steps of: refining an alloy steel billet in a steelmaking furnace; wind power flange ring forgings; heat-treat the forged billet; process the forged forgings into wind power flange workpieces that meet the size by using a numerically controlled radial-axial ring rolling machine; rough and finish the workpieces Processing; manual chamfering, flaw detection and other processes for wind power flanges after rough machining and finishing.
Description
技术领域 technical field
本发明风力发电机技术领域，特别是涉及一种制造风电法兰的方法。The invention relates to the technical field of wind power generators, in particular to a method for manufacturing wind power flanges.
背景技术 Background technique
当今社会，随着全球能源短缺和环境污染等问题日益严峻，寻找可再生能源已成为世界各国面临的重大课题。In today's society, with the increasingly serious problems of global energy shortage and environmental pollution, the search for renewable energy has become a major issue faced by countries all over the world.
风能是一种清洁的可再生资源且蕴量巨大，越来越受到人们的重视。风力发电正是利用这一资源，作为一项新型产业正在冉冉升起。用于风力发电机设备MW级风电机组风电塔身塔体法兰是风电设备的承重件，需要在较强的风能、+40～-40℃环境温度下，满足承载负荷等特定使用要求。传统风塔法兰是风电塔筒的关键连接件、支撑件和受力件，风电法兰对品质有很高的要求，当前所使用的风塔法兰一般均采用Q345E材质制成风塔法兰。其缺点是：由于材料成份、及理化指标允许的范围较大，锻造及热处理工艺简单粗犷，造成产品质量不稳定，尚难满足较强的风能、+40～-40℃环境温度下，安全、稳定地承受负载等特定使用要求。Wind energy is a clean and renewable resource with huge reserves, which has been paid more and more attention by people. Wind power is just using this resource, and it is rising as a new industry. Used for wind turbine equipment MW-level wind turbine tower body The tower body flange is a load-bearing part of wind power equipment, which needs to meet the specific use requirements such as load bearing under strong wind energy and ambient temperature of +40～-40℃. Traditional wind tower flanges are the key connectors, supports and stress-bearing parts of wind power towers. Wind power flanges have high requirements for quality. Currently, wind tower flanges are generally made of Q345E material. Wind tower method orchid. Its disadvantages are: due to the large allowable range of material composition and physical and chemical indicators, the forging and heat treatment process is simple and rough, resulting in unstable product quality, and it is still difficult to meet the needs of strong wind energy, +40 ~ -40 °C ambient temperature, safe, It can withstand specific usage requirements such as load stably.
发明内容 Contents of the invention
本发明所要解决的技术问题是：将提供一种质量稳定可靠、能够满足恶劣环境使用要求的风电设备用风塔法兰环的制造方法The technical problem to be solved by the present invention is to provide a method for manufacturing a wind tower flange ring for wind power equipment that is stable and reliable in quality and can meet the requirements of use in harsh environments
本发明的风电法兰的成型方法包括如下步骤：The forming method of the wind power flange of the present invention comprises the following steps:
（1）在炼钢炉升温至1250℃，在该炼钢炉中精炼出合金钢坯料，其中合金钢各化学元素的重量组成如下：碳：0.14～0.19wt％、硅：0.20～0.33wt％、锰：0.85%～1.30wt％、磷：≤0.02wt％、硫：0.015～0.02wt％、铬：0.08～0.1wt％、钒：0.6～0.2wt％、镍：0.30～0.50wt％、铜：0.2～0.3wt％、钛：≤0.2wt%、铌：≤0.06wt%，余量为铁；(1) Raise the temperature to 1250°C in the steelmaking furnace, and refine the alloy steel billet in the steelmaking furnace, wherein the weight composition of each chemical element of the alloy steel is as follows: carbon: 0.14-0.19wt%, silicon: 0.20-0.33wt% , manganese: 0.85%~1.30wt%, phosphorus: ≤0.02wt%, sulfur: 0.015~0.02wt%, chromium: 0.08~0.1wt%, vanadium: 0.6~0.2wt%, nickel: 0.30~0.50wt%, copper : 0.2～0.3wt%, titanium: ≤0.2wt%, niobium: ≤0.06wt%, the balance is iron;
(2)以所述合金钢为坯料,经锻造制坯辗环、热处理、金加工后得到所述的风电法兰环锻件；其中始锻温度约为1200～1250℃，锻造比为4或5倍，终锻温度约为760℃～800℃；(2) Using the alloy steel as the blank, the wind power flange ring forging is obtained after forging, heat treatment, and gold processing; the initial forging temperature is about 1200-1250°C, and the forging ratio is 4 or 5 times, the final forging temperature is about 760 ℃ ~ 800 ℃;
(3)将锻造后的坯料进行热处理,热处理温度约为1250℃并保持该温度1小时；(3) heat-treat the forged billet at a temperature of about 1250°C and maintain this temperature for 1 hour;
(4)采用数控径-轴向碾环机将锻造后的所述锻件加工成符合尺寸的风电法兰工件；(4) adopt numerical control diameter-axial ring rolling machine to process the described forging after forging into the wind power flange workpiece conforming to the size;
(5)对所述工件进行粗加工和精加工，其中粗加工工艺参数为切削深度约为：9mm，切削速度约为80米/分钟，加工余量为3mm；精加工工艺参数为：切削深度约为：1mm，切削速度约为60米/分钟；(5) Carry out rough machining and finish machining to described workpiece, wherein rough machining process parameter is that cutting depth is about: 9mm, and cutting speed is about 80 meters/minute, and machining allowance is 3mm; Finishing process parameter is: cutting depth About: 1mm, cutting speed about 60 m/min;
(6)对完成粗加工和精加工后的风电法兰进行手工倒角、探伤等工艺；(6) Carry out manual chamfering, flaw detection and other processes on the wind power flange after rough machining and finishing machining;
其中，步骤(2)采用3150T、4000T或5000T锻造液压机进行锻造，优选5000T锻造液压机；Wherein, step (2) adopts 3150T, 4000T or 5000T forging hydraulic press for forging, preferably 5000T forging hydraulic press;
其中，优选地，粗加工采用的是120度车刀；Among them, preferably, rough machining uses a 120-degree turning tool;
其中，优选地，精加工采用的是球头车刀。Among them, preferably, the finishing process adopts a ball-nose turning tool.
具体实施方式 detailed description
为了更加清楚地说明本发明的技术方案，通过下文描述的实施例对本发明作进一步描述。In order to illustrate the technical solution of the present invention more clearly, the present invention will be further described through the examples described below.
实施例1Example 1
本发明制造风电法兰的方法包括如下步骤：The method for manufacturing the wind power flange of the present invention comprises the following steps:
（1）在炼钢炉升温至1250℃，在该炼钢炉中精炼出合金钢坯料，其中合金钢各化学元素的重量组成如下：碳：0.14～0.19wt％、硅：0.20～0.33wt％、锰：0.85%～1.30wt％、磷：≤0.02wt％、硫：0.015～0.02wt％、铬：0.08～0.1wt％、钒：0.6～0.2wt％、镍：0.30～0.50wt％、铜：0.2～0.3wt％、钛：≤0.2wt%、铌：≤0.06wt%，余量为铁；(1) Raise the temperature to 1250°C in the steelmaking furnace, and refine the alloy steel billet in the steelmaking furnace, wherein the weight composition of each chemical element of the alloy steel is as follows: carbon: 0.14-0.19wt%, silicon: 0.20-0.33wt% , manganese: 0.85%~1.30wt%, phosphorus: ≤0.02wt%, sulfur: 0.015~0.02wt%, chromium: 0.08~0.1wt%, vanadium: 0.6~0.2wt%, nickel: 0.30~0.50wt%, copper : 0.2～0.3wt%, titanium: ≤0.2wt%, niobium: ≤0.06wt%, the balance is iron;
(2)以所述合金钢为坯料,采用5000T锻造液压机对所述坯料进行锻造，经锻造制坯辗环、热处理、金加工后得到所述的风电法兰环锻件；其中始锻温度约为1250℃，锻造比为5，终锻温度约为800℃；(2) Using the alloy steel as a blank, adopt a 5000T forging hydraulic press to forge the blank, and obtain the wind power flange ring forging after forging, ring rolling, heat treatment, and gold processing; wherein the initial forging temperature is about 1250°C, the forging ratio is 5, and the final forging temperature is about 800°C;
(3)将锻造后的坯料进行热处理,热处理温度约为1250℃并保持该温度1小时；(3) heat-treat the forged billet at a temperature of about 1250°C and maintain this temperature for 1 hour;
(4)采用数控径-轴向碾环机将锻造后的所述锻件加工成符合尺寸的风电法兰工件；(4) adopt numerical control diameter-axial ring rolling machine to process the described forging after forging into the wind power flange workpiece conforming to the size;
(5)对所述工件进行粗加工和精加工，其中粗加工采用120度车刀，其工艺参数为切削深度为：9mm，切削速度为80米/分钟，加工余量为3mm；精加工采用球头车刀，其工艺参数为：切削深度为：1mm，切削速度为60米/分钟；(5) rough machining and finish machining are carried out to described workpiece, wherein rough machining adopts 120 degree lathe tool, and its process parameter is that depth of cut is: 9mm, and cutting speed is 80 meters per minute, and machining allowance is 3mm; Finish machining adopts Ball head turning tool, its process parameters are: cutting depth: 1mm, cutting speed: 60 m/min;
(6)对完成粗加工和精加工后的风电法兰进行手工倒角、探伤等工艺；(6) Carry out manual chamfering, flaw detection and other processes on the wind power flange after rough machining and finishing machining;
实施例2：Example 2:
（1）在炼钢炉升温至1250℃，在该炼钢炉中精炼出合金钢坯料，其中合金钢各化学元素的重量组成如下：碳：0.14～0.19wt％、硅：0.20～0.33wt％、锰：0.85%～1.30wt％、磷：≤0.02wt％、硫：0.015～0.02wt％、铬：0.08～0.1wt％、钒：0.6～0.2wt％、镍：0.30～0.50wt％、铜：0.2～0.3wt％、钛：≤0.2wt%、铌：≤0.06wt%，余量为铁；(1) Raise the temperature to 1250°C in the steelmaking furnace, and refine the alloy steel billet in the steelmaking furnace, wherein the weight composition of each chemical element of the alloy steel is as follows: carbon: 0.14-0.19wt%, silicon: 0.20-0.33wt% , manganese: 0.85%~1.30wt%, phosphorus: ≤0.02wt%, sulfur: 0.015~0.02wt%, chromium: 0.08~0.1wt%, vanadium: 0.6~0.2wt%, nickel: 0.30~0.50wt%, copper : 0.2～0.3wt%, titanium: ≤0.2wt%, niobium: ≤0.06wt%, the balance is iron;
(2)以所述合金钢为坯料,采用3150T、4000T锻造液压机对所述坯料进行锻造，经锻造制坯辗环、热处理、金加工后得到所述的风电法兰环锻件；其中始锻温度约为1200℃，锻造比为4倍，终锻温度约为780℃；(2) Using the alloy steel as the blank, adopt 3150T, 4000T forging hydraulic presses to forge the blank, and obtain the wind power flange ring forging after forging blank ring rolling, heat treatment, and gold processing; wherein the initial forging temperature About 1200°C, the forging ratio is 4 times, and the final forging temperature is about 780°C;
(3)将锻造后的坯料进行热处理,热处理温度约为1250℃并保持该温度1小时；(3) heat-treat the forged billet at a temperature of about 1250°C and maintain this temperature for 1 hour;
(4)采用数控径-轴向碾环机将锻造后的所述锻件加工成符合尺寸的风电法兰工件；(4) adopt numerical control diameter-axial ring rolling machine to process the described forging after forging into the wind power flange workpiece conforming to the size;
(5)对所述工件进行粗加工和精加工，其中粗加工采用120度车刀，其工艺参数为切削深度为：9mm，切削速度为80米/分钟，加工余量为3mm；精加工采用球头车刀，其工艺参数为：切削深度为：1mm，切削速度为60米/分钟；；(5) rough machining and finish machining are carried out to described workpiece, wherein rough machining adopts 120 degree lathe tool, and its process parameter is that depth of cut is: 9mm, and cutting speed is 80 meters per minute, and machining allowance is 3mm; Finish machining adopts Ball head turning tool, its process parameters are: cutting depth: 1mm, cutting speed: 60 m/min;
(6)对完成粗加工和精加工后的风电法兰进行手工倒角、探伤等工艺；(6) Carry out manual chamfering, flaw detection and other processes on the wind power flange after rough machining and finishing machining;
采用本发明的方法制造的风电法兰，由于调整了合金钢的化学成分配比，因此得到高强度、高韧性且抗低温冲击的风电法兰，从而提高其使用寿命和性能。The wind power flange manufactured by the method of the present invention has high strength, high toughness and low temperature impact resistance due to the adjustment of the chemical composition ratio of the alloy steel, thereby improving its service life and performance.
虽然已经描述了本发明的一些具体实施例，但是其并非用于限定本发明，本发明的保护范围由所附的权利要求来限定，并且本领域技术人员在不脱离所附权利要求保护范围的情况下，可以对本发明做出各种修改。Although some specific embodiments of the present invention have been described, they are not intended to limit the present invention, and the protection scope of the present invention is defined by the appended claims, and those skilled in the art will not depart from the protection scope of the appended claims. In some cases, various modifications can be made to the present invention.
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| CN104439030A (en) * | 2014-11-11 | 2015-03-25 | 连云港珍珠河石化管件有限公司 | Method for forging large-caliber welding neck flanges |
| CN105499928A (en) * | 2015-12-29 | 2016-04-20 | 江阴市恒润环锻有限公司 | Flange machining method |
| CN108515314B (en) * | 2018-03-13 | 2020-08-07 | 张家港中环海陆高端装备股份有限公司 | Manufacturing process of large flange with ultra-large wall thickness for shield machine |
| CN109648255A (en) * | 2018-11-16 | 2019-04-19 | 贵州航天新力铸锻有限责任公司 | A kind of plate forging rolloff composite molding technique of large-sized flange |
| CN110773692B (en) * | 2019-11-07 | 2020-09-29 | 江阴市恒润环锻有限公司 | Forging method of low-temperature high-strength offshore wind power flange |
| CN116786752B (en) * | 2023-08-29 | 2023-11-07 | 山西天宝集团有限公司 | Forging device and method for low-temperature high-strength wind power flange |
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| US6178638B1 (en) * | 1999-03-22 | 2001-01-30 | Lei-Jui Wu | Fabrication method for a flange-type ball valve |
| DE19958343A1 (en) * | 1999-12-03 | 2001-06-21 | Peter Groche | Production of a hollow shaft having an outer contour with at least one wave section used in gears comprises processing the inner or outer diameter or at least a flange section of a bowl-like preform by pressure rolling |
| CN102717237A (en) * | 2012-06-28 | 2012-10-10 | 江苏金源锻造股份有限公司 | Method for forming wind power flange |
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