CN107739781A - A kind of method that yawing gear ring modifier treatment is carried out using tempering product line - Google Patents
A kind of method that yawing gear ring modifier treatment is carried out using tempering product line Download PDFInfo
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- CN107739781A CN107739781A CN201711039887.5A CN201711039887A CN107739781A CN 107739781 A CN107739781 A CN 107739781A CN 201711039887 A CN201711039887 A CN 201711039887A CN 107739781 A CN107739781 A CN 107739781A
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- gear ring
- yawing gear
- tempering
- quenching
- modifier treatment
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention relates to a kind of method that yawing gear ring modifier treatment is carried out using tempering product line.Using the tempering product line being made up of chamber type electric resistance furnace, input and output material fork truck and quenching tank, carry out the modifier treatment of wind power yawing gear ring, it can be greatly reduced influence of the human factor to modifier treatment, reduce the labor intensity under high-temperature operation, the features such as improving the quality stability of batch modifier treatment.
Description
Technical field
The present invention relates to modifier treatment technical field, and yawing gear ring tune is carried out using tempering product line more particularly to a kind of
The method of matter processing.
Background technology
Wind power yawing gear ring is the important component in wind power generating set, and its internal soundness is to the normal of wind power generating set
Operation, has a major impact.The method of traditional yawing gear ring modifier treatment is carried out partially using well formula, ring type or bogie hearth electric resistance furnace
The Quench heating of boat gear ring, then through the artificial transfer hung crane operation, realize gear ring quenching.This method, by high-temperature operation ring
The influence in border, there is the features such as artifical influence factor is excessive, gear ring quenching quality discreteness is bigger.
The content of the invention
The present invention provides a kind of quenched using tempering product line progress yawing gear ring aiming at above-mentioned defect
The method of processing.Using the tempering product line being made up of chamber type electric resistance furnace, input and output material fork truck and quenching liquid bath, the dress of gear ring, go out
Stove is completed by input and output material fork truck, and gear ring quenching shift time is determined by the operation characteristic of fork truck itself completely, not by it is artificial because
The influence of element, advantageously ensure that the quality of batch heat treated article.The inventive method automaticity is high, reduces modifier treatment
The operation intensity of journey, the quality stability for improving batch production workpiece.
The present invention it is a kind of using tempering product line carry out yawing gear ring modifier treatment method and technology scheme be, including with
Lower step：
（1）By yawing gear ring rough turn after normalizing, through visual inspection and UT detections it is qualified after, carry out shove charge；During shove charge, workpiece
Between cushioning iron carry out pad, parallels is uniform on workpiece circumference, and parallels quantity is no less than 6 pieces, and same layer parallels highly differs
No more than 1mm；
（2）Clamping yawing gear ring is lifted on the input and output material fork truck of tempering product line, according to yawing gear ring size and
The effective heating area size of chamber type electric resistance furnace, determine the position that whole pile workpiece is put on fork, it is ensured that whole pile workpiece is heating
When within the batch-type furnace effective heating area；
（3）Using input and output material fork truck, whole pile yawing gear ring is put into the effective heating area of chamber type electric resistance furnace, and shut fire door；
According to the gait of march of selection of time fork truck of precooling and the position of quenching bath；
（4）According to the hardening and tempering process of yawing gear ring, modifier treatment is carried out to the yawing gear ring loaded in stove, modifier treatment is quenching
The processing of+high tempering.
Step（4）Quenching+high tempering processing comprises the following steps that：
2. Quench heating, and be incubated；
2. quench：After insulation terminates, fire door is opened, will be incubated above yawing gear ring fast transfer to the quenching tank terminated, and according to
According to quenching cooling technique, implement quick cooling to gear ring；Quenching liquid is monitored in quenching process in real time（Concentration is 8%-10% poly- second
The enol aqueous solution）Temperature, and open quenching bath stirring system；
3. high tempering：The yawing gear ring after cooling down will be quenched, loaded in the effective heating area of batch-type furnace, yawing gear ring is implemented
High tempering processing, is positioned over cool material platform by workpiece after the completion of tempering and is cooled down.
Quenching is specially：
A. yawing gear ring of the temperature less than or equal to 350 ± 10 DEG C is warming up to 650 ± 10 DEG C with≤100 DEG C/h speed and is incubated
1.5h；
B. 860 ± 10 DEG C are warming up to by power and are incubated 4h；
C. quenching liquid（I.e. concentration is 8%-10% polyvinyl alcohol water solution）It is cooled to 230 DEG C.
Step c is specially：Precooling 1 minute 50 seconds after coming out of the stove, to 780 DEG C of yawing gear ring surface temperature, enter quenching liquid cooling：
Quenching liquid cools down 8 minutes, air cooling 30 seconds；Quenching liquid cools down 6 minutes, air cooling 1.5 minutes；Quenching liquid cools down 4 minutes, and air cooling 2 divides
Clock；Quenching liquid cools down 3 minutes, enters stove tempering.
High tempering is specially：
1. yawing gear ring is entered into stove is incubated 1.5h under 340 ± 10 DEG C of regulations；
2. it is warming up to 620 ± 10 DEG C with≤80 DEG C/h speed and is incubated 6h；
3. air cooling.
Beneficial effects of the present invention are：The present invention uses what is be made up of chamber type electric resistance furnace, input and output material fork truck and quenching liquid bath
Tempering product line, the dress of gear ring, come out of the stove and completed by input and output material fork truck, gear ring quenching shift time is completely by the operation of fork truck itself
Feature determines, is not influenceed by human factor, advantageously ensures that the quality of batch heat treated article.The inventive method automates
The quality stability that degree is high, reduces the operation intensity of modifier treatment process, improves batch production workpiece.
Brief description of the drawings：
Fig. 1 show quenching-high-temperature tempering process Time-temperature figure of the present invention.
Embodiment：
For a better understanding of the present invention, technical scheme is described in detail with instantiation below, but it is of the invention
It is not limited thereto.
Embodiment 1
The yawing gear ring modifier treatment techniques of 3380/ φ of φ 2670 × 175, comprise the following steps：
（1）By yawing gear ring rough turn after normalizing, through visual inspection and UT detections it is qualified after, carry out shove charge；During shove charge, workpiece
Between cushioning iron carry out pad, parallels is uniform on workpiece circumference, and parallels quantity is no less than 6 pieces, and same layer parallels highly differs
No more than 1mm；
（2）Clamping yawing gear ring is lifted on the input and output material fork truck of tempering product line, according to yawing gear ring size and
The effective heating area size of chamber type electric resistance furnace, determine the position that whole pile workpiece is put on fork, it is ensured that whole pile workpiece is heating
When within the batch-type furnace effective heating area；
（3）Using input and output material fork truck, whole pile yawing gear ring is put into the effective heating area of chamber type electric resistance furnace, and shut fire door；
According to the gait of march of selection of time fork truck of precooling and the position of quenching bath；
（4）According to the hardening and tempering process of yawing gear ring, modifier treatment is carried out to the yawing gear ring loaded in stove, modifier treatment is quenching
The processing of+high tempering：
1. Quench heating, and be incubated；
2. quench：After insulation terminates, fire door is opened, will be incubated above yawing gear ring fast transfer to the quenching tank terminated, and according to
According to quenching cooling technique, implement quick cooling to gear ring；The temperature of monitoring quenching liquid, unlatching quench liquid bath in real time in quenching process
Bottom and side wall agitator；
3. high tempering：The yawing gear ring after cooling down will be quenched, loaded in the effective heating area of batch-type furnace, yawing gear ring is implemented
High tempering processing, is positioned over cool material platform by workpiece after the completion of tempering and is cooled down.
Quenching is specially：
A. yawing gear ring of the temperature less than or equal to 350 ± 10 DEG C is warming up to 650 ± 10 DEG C with≤100 DEG C/h speed and is incubated
1.5h；
B. 860 ± 10 DEG C are warming up to by power and are incubated 4h；
C. precooling 1 minute 50 seconds after coming out of the stove, to 780 DEG C of yawing gear ring surface temperature, quenching liquid cooling is entered：Quenching liquid cools down 8 points
Clock, air cooling 30 seconds；Quenching liquid cools down 6 minutes, air cooling 1.5 minutes；Quenching liquid cools down 4 minutes, air cooling 2 minutes；Quenching liquid cooling 3
Minute is cooled to 230 DEG C, enters stove tempering.
High tempering is specially：
A. yawing gear ring is entered into stove and 1.5h is incubated under 340 ± 10 DEG C of regulations；
B. 620 ± 10 DEG C are warming up to≤80 DEG C/h speed and are incubated 6h；
C. air cooling.
The product of conditioned production line processing, body sampling testing result are as shown in table 1
The gear ring body sampling testing results of 1 φ of table, 3380/ φ 2670 × 175
| Project | Rp0.2（Mpa） | Rm（Mpa） | A（%） | Z（%） | HBW | - 20 DEG C, Kv（J） |
| Technical requirements | ≥550 | 750-900 | ≥14 | ≥55 | 228-270 | ≥35 |
| It is actually detected | 765 | 926 | 19.5 | 68 | 266,268,270 | 112.4,115.7,121.3 |
Claims (6)
- A kind of 1. method that yawing gear ring modifier treatment is carried out using tempering product line, it is characterised in that comprise the following steps：（1）By yawing gear ring rough turn after normalizing, through visual inspection and UT detections it is qualified after, carry out shove charge；During shove charge, workpiece Between cushioning iron carry out pad, parallels is uniform on workpiece circumference, and parallels quantity is no less than 6 pieces, and same layer parallels highly differs No more than 1mm；（2）Clamping yawing gear ring is lifted on the input and output material fork truck of tempering product line, according to yawing gear ring size and The effective heating area size of chamber type electric resistance furnace, determine the position that whole pile workpiece is put on fork, it is ensured that whole pile workpiece is heating When within the batch-type furnace effective heating area；（3）Using input and output material fork truck, whole pile yawing gear ring is put into the effective heating area of chamber type electric resistance furnace, and shut fire door； According to the gait of march of selection of time fork truck of precooling and the position of quenching bath；（4）According to the hardening and tempering process of yawing gear ring, modifier treatment is carried out to the yawing gear ring loaded in stove, modifier treatment is quenching The processing of+high tempering.
- 2. a kind of method that yawing gear ring modifier treatment is carried out using tempering product line according to claim 1, its feature It is, step（4）Quenching+high tempering processing comprises the following steps that：1. Quench heating, and be incubated；2. quench：After insulation terminates, fire door is opened, will be incubated above yawing gear ring fast transfer to the quenching tank terminated, and according to According to quenching cooling technique, implement quick cooling to gear ring；The temperature of monitoring quenching liquid, and open quenching bath in real time in quenching process Stirring system；3. high tempering：The yawing gear ring after cooling down will be quenched, loaded in the effective heating area of batch-type furnace, yawing gear ring is implemented High tempering processing, is positioned over cool material platform by workpiece after the completion of tempering and is cooled down.
- 3. a kind of method that yawing gear ring modifier treatment is carried out using tempering product line according to right wants 2, its feature are existed In quenching is specially：A. yawing gear ring of the temperature less than or equal to 350 ± 10 DEG C is warming up to 650 ± 10 DEG C with≤100 DEG C/h speed and is incubated 1.5h；B. 860 ± 10 DEG C are warming up to by power and are incubated 4h；C. quenching liquid is cooled to 230 DEG C.
- 4. a kind of method that yawing gear ring modifier treatment is carried out using tempering product line according to claim 3, its feature It is, step c is specially：Precooling 1 minute 50 seconds after coming out of the stove, to 780 DEG C of yawing gear ring surface temperature, enter quenching liquid cooling：Quench Fiery liquid cools down 8 minutes, air cooling 30 seconds；Quenching liquid cools down 6 minutes, air cooling 1.5 minutes；Quenching liquid cools down 4 minutes, air cooling 2 minutes； Quenching liquid cools down 3 minutes, enters stove tempering.
- 5. a kind of method that yawing gear ring modifier treatment is carried out using tempering product line according to claim 2, its feature It is, high tempering is specially：1. yawing gear ring is entered into stove is incubated 1.5h under 340 ± 10 DEG C of regulations；2. it is warming up to 620 ± 10 DEG C with≤80 DEG C/h speed and is incubated 6h；3. air cooling.
- 6. a kind of method that yawing gear ring modifier treatment is carried out using tempering product line according to claim 2, its feature It is, described quenching liquid is mass concentration 8%-10% polyvinyl alcohol water solution.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039887.5A CN107739781A (en) | 2017-10-30 | 2017-10-30 | A kind of method that yawing gear ring modifier treatment is carried out using tempering product line |
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| CN201711039887.5A CN107739781A (en) | 2017-10-30 | 2017-10-30 | A kind of method that yawing gear ring modifier treatment is carried out using tempering product line |
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| CN201711039887.5A Pending CN107739781A (en) | 2017-10-30 | 2017-10-30 | A kind of method that yawing gear ring modifier treatment is carried out using tempering product line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904312A (en) * | 2019-12-09 | 2020-03-24 | 伊莱特能源装备股份有限公司 | Water-cooling quenching tempering process for large alloy steel forging |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363070A (en) * | 2007-08-07 | 2009-02-11 | 上海重型机器厂有限公司 | Water quenching and air cooling modified treatment technology of 42CrMo material |
| CN102528387A (en) * | 2010-12-31 | 2012-07-04 | 大连冶金轴承股份有限公司 | Method for machining yawing gear ring |
| CN204702781U (en) * | 2015-06-16 | 2015-10-14 | 荆门索立特热能技术有限公司 | A kind of Full-automatic box type tempering product line |
| CN105400940A (en) * | 2015-12-30 | 2016-03-16 | 天津重型装备工程研究有限公司 | Heat treatment process for crown casting of large-sized hydraulic turbine |
| CN105543465A (en) * | 2015-12-23 | 2016-05-04 | 山东伊莱特重工股份有限公司 | Controlled cooling quenching tempering technology of yaw gear of large wind driven generator |
| CN105886737A (en) * | 2016-05-03 | 2016-08-24 | 山东伊莱特重工股份有限公司 | Non-deformation thermal refining process of main shaft of kilowatt-level blower |
| CN106929656A (en) * | 2017-03-01 | 2017-07-07 | 上海电气上重铸锻有限公司 | A kind of hardening and tempering method of 34CrNiMo6 large forgings |
-
2017
- 2017-10-30 CN CN201711039887.5A patent/CN107739781A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363070A (en) * | 2007-08-07 | 2009-02-11 | 上海重型机器厂有限公司 | Water quenching and air cooling modified treatment technology of 42CrMo material |
| CN102528387A (en) * | 2010-12-31 | 2012-07-04 | 大连冶金轴承股份有限公司 | Method for machining yawing gear ring |
| CN204702781U (en) * | 2015-06-16 | 2015-10-14 | 荆门索立特热能技术有限公司 | A kind of Full-automatic box type tempering product line |
| CN105543465A (en) * | 2015-12-23 | 2016-05-04 | 山东伊莱特重工股份有限公司 | Controlled cooling quenching tempering technology of yaw gear of large wind driven generator |
| CN105400940A (en) * | 2015-12-30 | 2016-03-16 | 天津重型装备工程研究有限公司 | Heat treatment process for crown casting of large-sized hydraulic turbine |
| CN105886737A (en) * | 2016-05-03 | 2016-08-24 | 山东伊莱特重工股份有限公司 | Non-deformation thermal refining process of main shaft of kilowatt-level blower |
| CN106929656A (en) * | 2017-03-01 | 2017-07-07 | 上海电气上重铸锻有限公司 | A kind of hardening and tempering method of 34CrNiMo6 large forgings |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904312A (en) * | 2019-12-09 | 2020-03-24 | 伊莱特能源装备股份有限公司 | Water-cooling quenching tempering process for large alloy steel forging |
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Application publication date: 20180227 |
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