CN101812645A - Ring forge piece material of wind power rotary supporting ring and ring forge piece manufacturing technology thereof - Google Patents
Ring forge piece material of wind power rotary supporting ring and ring forge piece manufacturing technology thereof Download PDFInfo
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Abstract
The invention discloses a ring forge piece material of a wind power rotary supporting ring, comprising the following chemical elements in weight percentage: 0.41-0.45 percent of C, 0.17-0.37 percent of Si, 0.80-1.00 percent of Mn, at most 0.020 percent of P, at most 0.020 percent of S, 1.05-1.20 percent of Cr, at most 0.30 percent of Ni, 0.20-0.25 percent of Mo, at most 0.20 percent of Cu, 0.02-0.04 percent of Al, at most 20ppm of O, at most 2.0ppm of H and Fe as the rest. A wind power rotary supporting ring forge piece manufactured by the material comprises the following technical steps: blanking, forging to manufacture a blank, rolling a ring, hot treating and accurately turning, wherein the hot treating step comprises the steps of hot treatment normalization and hot treatment hardening and tempering. The ring forge piece material is suitable for the ring forge piece of the wind power rotary supporting ring.
Description
Technical field
The present invention relates to wind-powered electricity generation rotating support ring ring rolling spare, refer more particularly to the manufacturing process of wind-powered electricity generation rotating support ring ring rolling spare with material and described ring rolling spare.
Background technology
Wind-power electricity generation is a novel industry of rising as cleaning and renewable energy source.The wind-powered electricity generation set pitch control, the rotating support ring of driftage on the tower that are used for wind power equipment are the load-bearing and the driving member of wind power equipment, need satisfy specific service requirementss such as bearing load under stronger wind-force and+40～-40 ℃ of envrionment temperatures; And require comparing under the atrocious weather condition, quality problems can not occur in 20 years.The raw material that the base steel that presently used wind-powered electricity generation rotating support ring generally all adopts the 42CrMo4V material among the Europe superscript BS EN10083-1:2006 to make is processed is to start with made after base is rolled over ring operation and heat treatment step through forging.The shortcoming of traditional wind-powered electricity generation rotating support ring ring rolling spare is: because material composition, and the scope that allows of physical and chemical index bigger, thermal treatment process is simply rough, caused toughness, plasticity and the hardening capacity of product little and quality stability is not high, still difficultly satisfy under stronger wind-force and+40～-40 ℃ of envrionment temperatures specific service requirements such as bearing load safely and steadly.
Summary of the invention
Technical problem to be solved by this invention is: toughness, plasticity and the hardening capacity that a kind of product is provided is big, steady quality is reliable, can satisfy the manufacturing process of the wind-powered electricity generation rotating support ring ring rolling spare of the service requirements under the severe environment with material and described ring rolling spare.
For addressing the above problem, the technical solution used in the present invention is: wind-powered electricity generation rotating support ring ring rolling spare material, and the weight of each chemical element that comprises is composed as follows: C:0.41～0.45%, Si:0.17～0.37%, Mn:0.80～1.00%, P :≤0.020%, S :≤0.020%, Cr:1.05～1.20%, Ni :≤0.30%, Mo:0.20～0.25%, Cu :≤0.20%, Al:0.02～0.04%, [O] :≤20ppm, [H] :≤2.0ppm, surplus is Fe.
Make the manufacturing process of wind-powered electricity generation rotating support ring ring rolling spare by above-mentioned material, comprise the steps: blanking, forge base rolling ring, thermal treatment and finish turning processing, described thermal treatment comprises heat treatment normalizing and heat treatment quenching and tempering operation, the temperature of heat treatment normalizing is between 840 ℃ and 860 ℃, and rate of heating is not more than 150 ℃/h; In the heat treatment quenching and tempering, quenching temperature is between 830 ℃ and 850 ℃, rate of heating is not more than 150 ℃/h, quench cooled is taked the gradient cooling mode of precooling, quenchant liquid cooling for the first time, air cooling and the quenchant liquid cooling second time successively, the time of described precooling is 2～3 minutes, the time of quenchant liquid cooling is 2～3 minutes for the first time, the time of air cooling is 3～4 minutes, the time of quenchant liquid cooling is 2～3 minutes for the second time, tempering temperature after the quench cooled is between 600 ℃ and 630 ℃, and rate of heating is not more than 150 ℃/h.
In the manufacturing process of above-mentioned wind-powered electricity generation rotating support ring ring rolling spare: after the quenchant liquid cooling second time, workpiece returns temperature to 300 ℃～330 ℃.
The invention has the beneficial effects as follows: the advantage of more traditional rotating support ring ring rolling spare material 42CrMo4V is: material composition, and the scope that allows of physical and chemical index dwindle, increased alloying element Mn, Cr, Mo content, reduced P, S content.Adjusted thermal treatment process in the manufacturing processed, the toughness of products of producing thus, plasticity and hardening capacity are big, steady quality is reliable, can satisfy the service requirements under the severe environment.After heat treatment mechanical property that is reached such as following table:
| Tensile strength (Mpa) | Yield strength (Mpa) | Unit elongation (%) | Section shrinks (%) | -40 ℃ of impacts (J) | Hardness (HB) |
| ??800-950 | ??≥650 | ??≥14 | ??≥50 | ??≥42 | ??260-290 |
Description of drawings
Fig. 1 is the jominy test data sheet of Europe superscript 42CrMo4V material;
Fig. 2 is the jominy test data sheet of the rotating support ring ring rolling spare described in the present invention with material;
Fig. 3 is the synoptic diagram of heat treatment normalizing process among the present invention;
Fig. 4 is the synoptic diagram of heat treatment quenching and tempering technology among the present invention.
Embodiment
Below in conjunction with accompanying drawing the manufacturing process of wind-powered electricity generation rotating support ring ring rolling spare of the present invention with material and described ring rolling spare is described in further detail.
Embodiment 1
Described ring forging of rotary support ring for wind power equipment material, the weight of each chemical element that comprises is composed as follows: C:0.422%, Si:0.211%, Mn:0.880%, P:0.014%, S:0.010%, Cr:1.12%, Ni:0.038%, Mo:0.205%, Cu:0.009%, Al:0.022%, [O]: 13ppm, [H]: 1.1ppm, surplus is Fe.
Embodiment 2
Described ring forging of rotary support ring for wind power equipment material, the weight of each chemical element that comprises is composed as follows: C:0.434%, Si:0.241%, Mn:0.912%, P:0.012%, S:0.012%, Cr:1.14%, Ni:0.027%, Mo:0.216%, Cu:0.009%, Al:0.028%, [O]: 17ppm, [H]: 1.3ppm, surplus is Fe.
Embodiment 3
Described ring forging of rotary support ring for wind power equipment material, the weight of each chemical element that comprises is composed as follows: C:0.428%, Si:0.305%, Mn:0.891%, P:0.008%, S:0.013%, Cr:1.07%, Ni:0.041%, Mo:0.223%, Cu:0.010%, Al:0.027%, [O]: 15ppm, [H]: 1.2ppm, surplus is Fe.
Above-mentioned rotating support ring ring rolling spare is the content that increases chemical element Mn, Cr, Mo on the basis of Europe superscript 42CrMo4V with material, reduce the content of P, S, the content of strict control [O], [H], the smelting process by electric furnace, vacuum outgas obtains the continuously cast bloom steel.Non-metallic inclusion in the described former material base steel satisfies following table and requires:
As shown in Figure 1 and Figure 2, the rotating support ring ring rolling spare described in the present invention is better than uniformity of hardness and the surperficial hardening capacity of Europe superscript 42CrMo4V with material.
The processing step of being made wind-powered electricity generation rotating support ring ring rolling spare by the material among three above-mentioned embodiment is basic identical, comprising: blanking, forging base are rolled over ring, thermal treatment and finish turning processing.
In forging base rolling ring process, the control initial forging temperature is 1150 ℃, and final forging temperature is 850 ℃, and the Forge Heating holding temperature is 1230 ℃ to 1270 ℃, forging ratio 〉=6; Roll over the ring rolling spare surface imperfection degree of depth≤3mm after encircling; Interior (outward) footpath circularity≤3mm; End face planeness≤3mm.
Heat treatment step comprises heat treatment normalizing and heat treatment quenching and tempering operation.
As shown in Figure 3, the heat treatment normalizing operation is: workpiece is put into stove heats, and each workpiece press between girth 800～1200mm must the contour cushion block of pad 〉=50mm, pad 〉=60mm cushion blocks in the middle of 3 workpiece are so that furnace gas is mobile; Rate of heating is not more than per hour 150 ℃, when temperature rises to 840 ℃～860 ℃, carry out the soaking insulation, the soaking soaking time is determined according to diameter, the thickness equidimension of ring rolling spare, soaking time generally was not less than 1.5 hours, soaking time is calculated according to 1.2 minutes/mm, and the big more time of ring rolling spare is long more, will shift out the stove outer space through the workpiece after the insulation soaking at last and be chilled to normal temperature.
As shown in Figure 4, the heat treatment quenching and tempering operation is: workpiece is put into stove heat, each workpiece is pressed the contour cushion block of palpus pad 〉=50mm between girth 800-1200mm, and pad 〉=60mm cushion block in the middle of 3 workpiece is so that furnace gas flows; Rate of heating is not more than per hour 150 ℃, when temperature rises to 830 ℃～850 ℃, carry out the soaking insulation, the soaking soaking time is according to the diameter of ring rolling spare, the thickness equidimension is determined, soaking time generally was not less than 1.5 hours, soaking time is calculated according to 1.5 minutes/mm, the big more time of ring rolling spare is long more, to shift out outside the stove through the workpiece after the soaking insulation and quench, quench cooled is taked precooling successively, quenchant liquid cooling for the first time, the gradient cooling mode of air cooling and the quenchant liquid cooling second time, the time of described precooling is 2～3 minutes, the time of quenchant liquid cooling is 2～3 minutes for the first time, the time of air cooling is 3～4 minutes, and the time of quenchant liquid cooling is 2～3 minutes for the second time.Workpiece after the quenching returns temperature to 300 ℃～330 ℃, and then workpiece is put into stove heat, rate of heating is not more than per hour 150 ℃, when rising to 600 ℃～630 ℃, temperature carries out the soaking insulation, soaking time generally was not less than 2 hours, soaking time is calculated according to 2 minutes/mm, and the big more time of ring rolling spare is long more, after insulation finishes ring rolling spare is shifted out the stove outer space and is chilled to normal temperature.Should note when ring rolling spare lifts by crane in heat treatment process steadily preventing workpiece deformation.
Claims (3)
1. wind-powered electricity generation rotating support ring ring rolling spare material, it is characterized in that: the weight of each chemical element that comprises is composed as follows: C:0.41～0.45%, Si:0.17～0.37%, Mn:0.80～1.00%, P :≤0.020%, S :≤0.020%, Cr:1.05～1.20%, Ni :≤0.30%, Mo:0.20～0.25%, Cu :≤0.20%, Al:0.02～0.04%, [O] :≤20ppm, [H] :≤2.0ppm, surplus is Fe.
2. make the manufacturing process of wind-powered electricity generation rotating support ring ring rolling spare by the described material of claim 1, comprise the steps: blanking, forge base rolling ring, thermal treatment and finish turning processing, it is characterized in that: described thermal treatment comprises heat treatment normalizing and heat treatment quenching and tempering operation, the temperature of heat treatment normalizing is between 840 ℃ and 860 ℃, and rate of heating is not more than 150 ℃/h; In the heat treatment quenching and tempering, quenching temperature is between 830 ℃ and 850 ℃, rate of heating is not more than 150 ℃/h, quench cooled is taked the gradient cooling mode of precooling, quenchant liquid cooling for the first time, air cooling and the quenchant liquid cooling second time successively, the time of described precooling is 2～3 minutes, the time of quenchant liquid cooling is 2～3 minutes for the first time, the time of air cooling is 3～4 minutes, the time of quenchant liquid cooling is 2～3 minutes for the second time, tempering temperature after the quench cooled is between 600 ℃ and 630 ℃, and rate of heating is not more than 150 ℃/h.
3. the manufacturing process of wind-powered electricity generation rotating support ring ring rolling spare according to claim 2 is characterized in that: after the quenchant liquid cooling second time, workpiece returns temperature to 300 ℃～330 ℃.
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| CN 201010146193 CN101812645A (en) | 2010-04-02 | 2010-04-02 | Ring forge piece material of wind power rotary supporting ring and ring forge piece manufacturing technology thereof |
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| CN 201010146193 CN101812645A (en) | 2010-04-02 | 2010-04-02 | Ring forge piece material of wind power rotary supporting ring and ring forge piece manufacturing technology thereof |
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Cited By (20)
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|---|---|---|---|---|
| CN102703818A (en) * | 2012-06-11 | 2012-10-03 | 张家港海陆环形锻件有限公司 | Material for overweight ring forging and manufacturing process for ring forging |
| CN102776339A (en) * | 2012-07-16 | 2012-11-14 | 张家港海锅重型锻件有限公司 | Manufacture technology of 40 CrNiMo steel forgings |
| CN102776334A (en) * | 2012-07-16 | 2012-11-14 | 张家港海锅重型锻件有限公司 | Heat treatment process for eliminating Widmannstatten structure of forging |
| CN102806291A (en) * | 2012-08-24 | 2012-12-05 | 江苏凌飞锻造有限公司 | Wind-powered main shaft forging method |
| CN106048152A (en) * | 2016-07-24 | 2016-10-26 | 钢铁研究总院 | Thermal treatment method for improving low-temperature impact toughness of rods |
| CN106222564A (en) * | 2016-08-30 | 2016-12-14 | 张家港中环海陆特锻股份有限公司 | Steel ingot and smelting process thereof, avoid steel ingot forging crack method |
| CN106391982A (en) * | 2016-08-31 | 2017-02-15 | 张家港中环海陆特锻股份有限公司 | Method for manufacturing impeller locking ring forgings for large wind turbines |
| CN106521346A (en) * | 2016-08-31 | 2017-03-22 | 张家港中环海陆特锻股份有限公司 | Alloy used for 42CrMo4 annular forging and manufacturing method of annular forging |
| CN106555108A (en) * | 2016-10-31 | 2017-04-05 | 中设集团装备制造有限责任公司 | The manufacture method of mining machinery gear ring and annular forging piece |
| CN107641765A (en) * | 2016-07-21 | 2018-01-30 | 无锡市法兰锻造有限公司 | A kind of nuclear power station integration heap top component forging and its manufacturing process |
| CN107815588A (en) * | 2017-10-10 | 2018-03-20 | 张家港中环海陆特锻股份有限公司 | Wind power generating set yawing gear ring manufacturing process |
| CN108774671A (en) * | 2018-06-28 | 2018-11-09 | 张家港中环海陆特锻股份有限公司 | Using S48C as the ring manufacturing process using forged hardening of material |
| CN109022686A (en) * | 2018-07-20 | 2018-12-18 | 张家港中环海陆特锻股份有限公司 | The manufacturing method of the high cartridge type ring forging of super-tonnage |
| CN110497165A (en) * | 2019-08-23 | 2019-11-26 | 临清宇联轴承科技有限公司 | A kind of forging method of bearing ring forging mold |
| CN111118277A (en) * | 2019-12-30 | 2020-05-08 | 张家港江苏科技大学产业技术研究院 | Method for manufacturing diaphragm half ring for steam turbine |
| CN111500832A (en) * | 2020-05-06 | 2020-08-07 | 浙江天基重工机械有限公司 | Preparation process of alloy steel forge piece |
| CN111604641A (en) * | 2020-04-26 | 2020-09-01 | 江苏科技大学 | Manufacturing method for obtaining C-shaped scraps through machining of slewing bearing for wind power |
| CN112251574A (en) * | 2020-08-31 | 2021-01-22 | 伊莱特能源装备股份有限公司 | Manufacturing method of high-performance forged ring for tank car |
| CN113025878A (en) * | 2021-01-29 | 2021-06-25 | 江阴兴澄特种钢铁有限公司 | Quenching and tempering round steel for oil-well low-alloy well completion tool and manufacturing method thereof |
| CN114289675A (en) * | 2021-11-30 | 2022-04-08 | 伊莱特能源装备股份有限公司 | Manufacturing method of gear ring forging for wind power speed increasing box |
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| CN101592131A (en) * | 2009-06-19 | 2009-12-02 | 张家港海陆环形锻件有限公司 | Ring forging of rotary support ring for wind power equipment and manufacture method thereof |
| CN101623737A (en) * | 2009-08-07 | 2010-01-13 | 重庆新源模具有限公司 | Stretch forming die obtained by surface processing |
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| CN1584063A (en) * | 2003-08-19 | 2005-02-23 | 上海嘉仕久机械制造有限公司 | Quenching agent and method for stub axle |
| CN101487102A (en) * | 2009-02-13 | 2009-07-22 | 深圳大学 | Non-molybdenum non-nickel middle chrome wear resistant steel casting and heat treatment method thereof |
| CN101592131A (en) * | 2009-06-19 | 2009-12-02 | 张家港海陆环形锻件有限公司 | Ring forging of rotary support ring for wind power equipment and manufacture method thereof |
| CN101623737A (en) * | 2009-08-07 | 2010-01-13 | 重庆新源模具有限公司 | Stretch forming die obtained by surface processing |
Cited By (23)
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|---|---|---|---|---|
| CN102703818A (en) * | 2012-06-11 | 2012-10-03 | 张家港海陆环形锻件有限公司 | Material for overweight ring forging and manufacturing process for ring forging |
| CN102776339A (en) * | 2012-07-16 | 2012-11-14 | 张家港海锅重型锻件有限公司 | Manufacture technology of 40 CrNiMo steel forgings |
| CN102776334A (en) * | 2012-07-16 | 2012-11-14 | 张家港海锅重型锻件有限公司 | Heat treatment process for eliminating Widmannstatten structure of forging |
| CN102806291A (en) * | 2012-08-24 | 2012-12-05 | 江苏凌飞锻造有限公司 | Wind-powered main shaft forging method |
| CN102806291B (en) * | 2012-08-24 | 2014-07-23 | 江苏凌飞锻造有限公司 | Wind-powered main shaft forging method |
| CN107641765A (en) * | 2016-07-21 | 2018-01-30 | 无锡市法兰锻造有限公司 | A kind of nuclear power station integration heap top component forging and its manufacturing process |
| CN106048152A (en) * | 2016-07-24 | 2016-10-26 | 钢铁研究总院 | Thermal treatment method for improving low-temperature impact toughness of rods |
| CN106222564A (en) * | 2016-08-30 | 2016-12-14 | 张家港中环海陆特锻股份有限公司 | Steel ingot and smelting process thereof, avoid steel ingot forging crack method |
| CN106391982A (en) * | 2016-08-31 | 2017-02-15 | 张家港中环海陆特锻股份有限公司 | Method for manufacturing impeller locking ring forgings for large wind turbines |
| CN106521346A (en) * | 2016-08-31 | 2017-03-22 | 张家港中环海陆特锻股份有限公司 | Alloy used for 42CrMo4 annular forging and manufacturing method of annular forging |
| CN106555108A (en) * | 2016-10-31 | 2017-04-05 | 中设集团装备制造有限责任公司 | The manufacture method of mining machinery gear ring and annular forging piece |
| CN107815588A (en) * | 2017-10-10 | 2018-03-20 | 张家港中环海陆特锻股份有限公司 | Wind power generating set yawing gear ring manufacturing process |
| CN108774671A (en) * | 2018-06-28 | 2018-11-09 | 张家港中环海陆特锻股份有限公司 | Using S48C as the ring manufacturing process using forged hardening of material |
| CN108774671B (en) * | 2018-06-28 | 2019-09-03 | 张家港中环海陆高端装备股份有限公司 | Using S48C as the ring manufacturing process using forged hardening of material |
| CN109022686A (en) * | 2018-07-20 | 2018-12-18 | 张家港中环海陆特锻股份有限公司 | The manufacturing method of the high cartridge type ring forging of super-tonnage |
| CN110497165A (en) * | 2019-08-23 | 2019-11-26 | 临清宇联轴承科技有限公司 | A kind of forging method of bearing ring forging mold |
| CN111118277A (en) * | 2019-12-30 | 2020-05-08 | 张家港江苏科技大学产业技术研究院 | Method for manufacturing diaphragm half ring for steam turbine |
| CN111604641A (en) * | 2020-04-26 | 2020-09-01 | 江苏科技大学 | Manufacturing method for obtaining C-shaped scraps through machining of slewing bearing for wind power |
| CN111500832A (en) * | 2020-05-06 | 2020-08-07 | 浙江天基重工机械有限公司 | Preparation process of alloy steel forge piece |
| CN112251574A (en) * | 2020-08-31 | 2021-01-22 | 伊莱特能源装备股份有限公司 | Manufacturing method of high-performance forged ring for tank car |
| CN113025878A (en) * | 2021-01-29 | 2021-06-25 | 江阴兴澄特种钢铁有限公司 | Quenching and tempering round steel for oil-well low-alloy well completion tool and manufacturing method thereof |
| CN113025878B (en) * | 2021-01-29 | 2022-07-29 | 江阴兴澄特种钢铁有限公司 | Quenching and tempering round steel for oil-well low-alloy well completion tool and manufacturing method thereof |
| CN114289675A (en) * | 2021-11-30 | 2022-04-08 | 伊莱特能源装备股份有限公司 | Manufacturing method of gear ring forging for wind power speed increasing box |
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Open date: 20100825 |