CN114505660A - Production process of high-wear-resistance toothed chain wheel - Google Patents
Production process of high-wear-resistance toothed chain wheel Download PDFInfo
- Publication number
- CN114505660A CN114505660A CN202210251450.2A CN202210251450A CN114505660A CN 114505660 A CN114505660 A CN 114505660A CN 202210251450 A CN202210251450 A CN 202210251450A CN 114505660 A CN114505660 A CN 114505660A
- Authority
- CN
- China
- Prior art keywords
- sprocket
- chain wheel
- toothed chain
- blank
- wear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The application relates to a production process of a high-wear-resistance toothed chain wheel, which relates to the field of a forging technology of the toothed chain wheel, and comprises a production process S1 of the toothed chain wheel and blanking; s2, heating: heating the raw materials to a preset value by heating equipment; s3, blank making: beating the heated raw materials by an air hammer to primarily remove oxide skin to form a blank; s4, die forging: putting the blank into a forming die, and pressing and forming the blank by a first press; s5, trimming: removing redundant flash and burrs between the teeth of the gear sprocket formed by pressing through a second press; s6, cleaning: completely removing oxide skin on the surface of the toothed chain wheel by using a shot blasting machine; s7, coating and plating: coating a wear-resistant layer on the gear tooth part of the gear sprocket; s8, detection: the strength of the wheel body and the wheel tooth part of the toothed chain wheel is detected. This application has the intensity that improves the toothed chain wheel and the wearability of the teeth of a cogwheel, improves the life of toothed chain wheel, reduces the effect of the change number of times of toothed chain wheel.
Description
Technical Field
The application relates to the field of toothed chain wheel forging technology, in particular to a production process of a high-wear-resistance toothed chain wheel.
Background
The toothed chain wheel is a general name of gears and chain wheels, is usually matched with shaft parts for use, so as to achieve the effect of transmitting power, and is widely applied to vehicles such as automobiles, trains, high-speed rails, airplanes and other mechanical equipment for production and processing because of stable transmission and fixed transmission ratio.
At present, the sprocket includes wheel body and a plurality of teeth of a cogwheel that set firmly on the wheel body, and mainly used power transmission part, along with vehicle's development day by day, its speed of traveling is faster and faster, and the loading capacity is also higher and higher, and wherein to the intensity requirement of wheel body and the teeth of a cogwheel in the sprocket more and more high, however, the intensity of the sprocket wheel body of current technology production is lower, and uses the teeth of a cogwheel after a period and can cause serious wear because of the friction to lead to changing the sprocket comparatively loaded down with trivial details and need consume a large amount of intensity of labour.
Disclosure of Invention
In order to improve the intensity of toothed chain wheel and the wearability of the teeth of a cogwheel, improve toothed chain wheel's life, reduce toothed chain wheel's change number of times, this application provides a production technology of high abrasion toothed chain wheel.
The application provides a production technology of high wear-resisting tooth sprocket adopts following technical scheme:
the production process of the high wear-resistant toothed chain wheel comprises the following steps:
s1, blanking: cutting and blanking the raw materials, and weighing;
s2, heating: heating the raw materials to a preset value by heating equipment;
s3, blank making: beating the heated raw materials by an air hammer to primarily remove oxide skin to form a blank;
s4, die forging: putting the blank into a forming die, and performing press forming on the blank by a first press machine;
s5, trimming: removing redundant flash and burrs between the teeth of the gear sprocket formed by pressing through a second press;
s6, cleaning: completely removing oxide skins on the surface of the toothed chain wheel through a shot blasting machine;
s7, coating and plating: coating a wear-resistant layer on the gear tooth part of the gear sprocket;
s8, detection: the strength of the wheel body and the wheel tooth part of the toothed chain wheel is detected.
By adopting the technical scheme, when the high-wear-resistance toothed chain wheel is processed, firstly, raw materials are cut to enable the raw materials to reach the size matched with the toothed chain wheel, the raw materials are weighed, then, the raw materials are heated to a preset value through heating equipment, then, the raw materials are repeatedly beaten through an air hammer, oxide skins are preliminarily removed, the strength of blanks is improved, the subsequent blank forming is facilitated, then, the blanks are placed into a forming die, the blanks are compressed through a first press machine, the strength of a wheel body and wheel teeth of the connecting gear is further improved, the formed connecting gear is subjected to stamping and edge cutting through a second press machine, redundant burrs between the wheel teeth are removed, then, the chain gear is placed into a shot blasting machine, the oxide skins on the surface of the toothed chain wheel are completely removed through steel balls in the shot blasting machine, and the strength and the wear resistance of the surface of the chain gear are improved, then, coating a wear-resistant layer on the gear tooth part of the gear sprocket, greatly improving the wear resistance of the gear tooth of the main working part, and finally detecting the strength of the gear body and the gear tooth part of the gear sprocket; the wheel body and the teeth of a cogwheel of sprocket adopt high-pressure forging's method, make the intensity of wheel body and teeth of a cogwheel promote by a wide margin to make the difficult fracture of wheel body part, and wheel body and the teeth of a cogwheel adopt the integrative forging shaping, the difficult emergence fracture of junction, the wearability that makes the teeth of a cogwheel through the wearing layer promotes by a wide margin, and the teeth of a cogwheel is difficult for wearing and tearing, thereby has improved sprocket's life, has reduced sprocket's change number of times, is fit for the vehicle of high-speed operation.
Optionally, in S2, the raw material is heated to 1200-1250 ℃ by a heating furnace.
By adopting the technical scheme, the raw material of the steel material can not be melted at 1200-1250 ℃, and the raw material is easier to deform in the subsequent forging process, so that the raw material is easy to form to the corresponding drawing size, and the performance of the raw material is not changed.
Optionally, in S3, a 250kg air hammer is used to beat the raw material, and the blank making temperature is 1150-1250 ℃.
By adopting the technical scheme, the strength of the blank can be improved, the oxide skin and impurities on the surface of the blank can be removed rapidly in a preliminary mode, the strength and the hardness of the blank are improved, the blank can be rapidly cooled after leaving the heating device, and the blank can be processed at the specified blank manufacturing temperature by adopting the 250kg air hammer.
Optionally, in S4, the first press is 1600t, and the start forging temperature is 1100-1200, and the finish forging temperature is 900-950 ℃.
Through adopting above-mentioned technical scheme, 1600 t's press makes the difficult fracture in blank surface under the circumstances that improves sprocket hardness and intensity, and the difficult resilience of size after the cooling to make the difficult emergence fracture of the teeth of a cogwheel of sprocket and the junction of wheel body, and then improve sprocket's yield and life, the better plasticity of blank can be guaranteed to the forging temperature 1100 ~ 1200 simultaneously, the sprocket shaping of being convenient for.
Optionally, in S5, the second press machine adopts a 315t press machine to remove redundant flash and burrs between the gear teeth, and the trimming temperature is 850-950 ℃.
Through adopting above-mentioned technical scheme, 315 t's press cooperation is cut edge under this temperature, not only can make full use of waste heat, is difficult for making the teeth of a cogwheel take place to warp moreover, can realize simultaneously that unnecessary overlap, burr between the teeth of a cogwheel are rejected fast, and make the department of cutting edge comparatively smooth, be difficult for generating new flaw.
Optionally, in S6, the diameter of the steel shot filled in the shot blasting machine is 0.5-0.7 mm.
By adopting the technical scheme, oxide skin, residues and other impurities on the toothed chain wheel can be removed completely by the steel shot with the thickness of 0.5-0.7 mm, so that defects such as cracks are exposed more easily, the flatness of the surface of the toothed chain wheel is improved, and the surface roughness is reduced.
Optionally, in S7, the wear-resistant layer is made of NM 600.
By adopting the technical scheme, the NM600 material has ultrahigh hardness, corrosion resistance and wear resistance, and good impact resistance, and can play a good role in protecting the surface of the gear teeth, thereby effectively reducing the wear to the gear teeth and prolonging the service life of the toothed chain wheel.
Optionally, in S8, it is acceptable that the hardness of the sprocket body is not less than 48 HRC, and that of the teeth is not less than 60 HRC.
Through adopting above-mentioned technical scheme, can guarantee under this hardness that the wearability of toothed chain wheel reaches the technological requirement, make the wheel body and the teeth of a cogwheel of toothed chain wheel all have the life of preferred to alleviate the number of times that the staff changed sprocket.
Alternatively, in S8, the toothed sprocket is subjected to a 10% spot check marking check according to the check criteria.
Through adopting above-mentioned technical scheme, the quantity that combines the actual production is according to 10% selective examination marking off inspection, can reduce the probability that the wastrel appears, guarantees the quality of product, reduces the whole production cycle of toothed chain wheel simultaneously, improves production efficiency.
Optionally, in S8, the qualified toothed sprocket needs to be artificially aged.
Through adopting above-mentioned technical scheme, artifical ageing can eliminate the internal stress of toothed chain wheel sooner, makes the difficult local deformation of toothed chain wheel and fracture, improves its mechanical properties, stabilizes toothed chain wheel's size simultaneously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the sprocket and the sprocket wheel, the strength of the sprocket body and the strength of the sprocket wheel are greatly improved by adopting a high-pressure forging method, so that the sprocket body is not easy to crack, the sprocket body and the sprocket wheel are integrally forged and formed, the joint is not easy to crack, the wear resistance of the sprocket wheel is greatly improved through the wear-resistant layer, and the sprocket wheel is not easy to wear, so that the service life of the sprocket wheel is prolonged, the replacement frequency of the sprocket wheel is reduced, and the sprocket wheel is suitable for vehicles running at high speed;
2.1200-1250 ℃ can ensure that the raw material of the steel material can not be melted and can also make the raw material easier to deform in the subsequent forging process, thereby making the raw material easy to be formed to the corresponding drawing size without changing the performance of the raw material;
the air hammer with the weight of 3.250kg can not only improve the strength of the blank, but also can primarily and quickly remove oxide skin and impurities on the surface of the blank, improve the strength and the hardness of the blank, and simultaneously, the blank can be quickly cooled after leaving the heating device, and the machining of the blank can be finished at the specified blank manufacturing temperature by adopting the air hammer with the weight of 250 kg;
4.1600t of the press machine enables the surface of a blank to be difficult to crack under the condition of improving the hardness and the strength of a toothed chain wheel, and the size of the blank is difficult to rebound after cooling, so that the joint of the teeth of the sprocket and the wheel body is difficult to break, the yield of the sprocket is improved, the service life of the sprocket is prolonged, and meanwhile, the initial forging temperature is 1100-1200, so that the blank can be ensured to have better plasticity, and the sprocket can be conveniently formed;
5.315 t's press cooperation is cut edge under this temperature, not only can make full use of waste heat, is difficult for making the teeth of a cogwheel take place to warp moreover, can realize simultaneously that unnecessary overlap, burr between the teeth of a cogwheel are rejected fast, and make cut edge department comparatively smooth, be difficult for generating new flaw.
Drawings
FIG. 1 is a schematic view of the construction of a toothed sprocket according to an embodiment of the present application;
FIG. 2 is a schematic flow diagram illustrating a process for forging a toothed sprocket.
Description of reference numerals: 1. a wheel body; 2. and (4) gear teeth.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a production process of a high-wear-resistance toothed chain wheel. Referring to fig. 1, the sprocket comprises a sprocket body 1 and a plurality of teeth 2 disposed on the sprocket body 1, wherein the sprocket body 1 and the teeth 2 are integrally formed.
The production process of the high wear-resistant toothed chain wheel, referring to fig. 1 and 2, comprises the following steps:
s1, blanking: the No. 45 steel raw material was cut and blanked, and weighed.
S2, heating: heating raw materials to 1200-1250 ℃ through a heating furnace, wherein the raw materials of the steel materials can be guaranteed not to melt at 1200-1250 ℃, and the raw materials can be more easily deformed in the subsequent forging process, so that the raw materials are easily molded to the corresponding drawing size, and the performance of the raw materials is not changed.
S3, blank making: beating the heated raw material for multiple times by using a 250kg air hammer to primarily remove oxide skin to form a blank, wherein the blank making temperature needs to be controlled to be 1150-1250 ℃; the 250kg air hammer is adopted, so that the strength of the blank can be improved, oxide skin and impurities on the surface of the blank can be removed primarily and rapidly, the strength and the hardness of the blank are improved, meanwhile, the blank can be cooled rapidly after leaving the heating device, and the blank can be processed at the specified blank manufacturing temperature.
S4, initial detection: the size of the blank is initially checked in a one-by-one checking mode through the measuring clamp.
S5, die forging: putting the blank into a forming die, and performing press forming on the blank by a first press machine of 1600 t; the initial forging temperature is 1100-1200 ℃, and the final forging temperature is 900-950 ℃; 1600 t's press makes the difficult fracture in blank surface under the condition of improvement sprocket hardness and intensity, and the difficult resilience of size after the cooling to make the difficult emergence fracture of teeth of a cogwheel 2 and the junction of wheel body 1 of sprocket, and then improve sprocket's yield and life, the better plasticity of blank can be guaranteed to the forging temperature 1100 ~ 1200 simultaneously, the sprocket shaping of being convenient for.
S6, trimming: unnecessary overlap, burr between the sprocket teeth of a cogwheel tooth 2 that will press forming are rejected through 315t second press, and the temperature of cutting edge is 850 ~ 950 ℃, and 315 t's press cooperates and cuts edge under this temperature, not only can make full use of waste heat, and difficult messenger's teeth of a cogwheel 2 takes place to warp, can realize simultaneously rejecting unnecessary overlap, burr between the teeth of a cogwheel 2 fast, and make the department of cutting edge comparatively smooth, difficult new flaw that generates.
S7, cleaning: the oxide skin on the surface of the toothed chain wheel is completely removed through the shot blasting machine, wherein the diameter size of steel shots filled in the shot blasting machine is 0.5-0.7 mm, the steel shots with the size can completely remove the oxide skin, residues and other impurities on the toothed chain wheel, so that the defects such as cracks and the like are more easily exposed, meanwhile, the flatness of the surface of the toothed chain wheel is improved, and the surface roughness is reduced.
S8, coating and plating: coating a wear-resistant layer made of NM600 material on the gear teeth 2 of the gear sprocket; the NM600 material has ultrahigh hardness, corrosion resistance, wear resistance and good impact resistance, and can play a good role in protecting the surface of the gear teeth 2, thereby effectively reducing the wear of the gear teeth 2 and prolonging the service life of the toothed chain wheel.
S9, detection: the strength of the wheel body 1 and the wheel tooth 2 of the toothed chain wheel is subjected to 10% spot-check marking inspection according to inspection standards, wherein the hardness of the wheel body 1 of the toothed chain wheel is not lower than 48 HRC and qualified, and the hardness of the wheel tooth 2 is not lower than 60HRC, so that the wear resistance of the toothed chain wheel can meet the process requirements under the hardness, the wheel body 1 and the wheel tooth 2 of the toothed chain wheel have better service lives, and the times of replacing the chain gear by workers are reduced. Need carry out artifical ageing to the sprocket after the inspection is qualified, artifical ageing can eliminate the internal stress of sprocket sooner, makes the difficult local deformation of sprocket and fracture, improves its mechanical properties, stabilizes the size of sprocket simultaneously.
S10, warehousing: and packaging the qualified toothed chain wheels, and then boxing and warehousing.
The implementation principle of the production process of the high-wear-resistance toothed chain wheel in the embodiment of the application is as follows: when a high-wear-resistance toothed chain wheel is processed, firstly, a raw material plate is cut, the raw material is enabled to reach the size matched with the toothed chain wheel, the raw material is weighed, then, the raw material is heated to 1200-1250 ℃ through a heating furnace, then, the raw material is repeatedly beaten through a 250kg square air hammer, the oxide skin is preliminarily removed, the strength of a blank is improved, the subsequent blank forming is facilitated, then, the blank is placed into a forming die, the blank is compressed through a 1600t first press machine, so that the strength of a connecting gear body 1 and a gear tooth 2 is further improved, the formed connecting gear is subjected to stamping and edge cutting through a 315t second press machine, redundant burrs between the gear teeth 2 are removed, then, the chain gear is placed into a shot blasting machine, the oxide skin on the surface of the toothed chain wheel is completely removed through steel balls in the shot blasting machine, and the strength and the wear resistance of the surface of the chain gear are improved, then, a wear-resistant layer made of NM600 materials is coated on the gear teeth 2 of the gear sprocket, so that the wear resistance of the gear teeth 2 of the main working part is greatly improved, and finally, the strength of the gear body 1 and the gear teeth 2 of the gear sprocket is detected; the wheel body 1 and the teeth of a cogwheel 2 of sprocket adopt high-pressure forging's method in this application, make the intensity of wheel body 1 and teeth of a cogwheel 2 promote by a wide margin to make 1 part of wheel body difficult fracture, and wheel body 1 adopts the integrated forging shaping with the teeth of a cogwheel 2, the difficult emergence fracture of junction, the wearability that makes the teeth of a cogwheel 2 through the wearing layer promotes by a wide margin, the difficult wearing and tearing of teeth of a cogwheel 2, thereby the life of sprocket has been improved, the change number of times of sprocket has been reduced, be fit for the vehicle of high-speed operation.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A production process of a high wear-resistant toothed chain wheel is characterized by comprising the following steps: the method comprises the following steps:
s1, blanking: cutting and blanking the raw materials, and weighing;
s2, heating: heating the raw materials to a preset value by heating equipment;
s3, blank making: beating the heated raw materials by an air hammer to primarily remove oxide skin to form a blank;
s4, die forging: putting the blank into a forming die, and pressing and forming the blank by a first press;
s5, trimming: removing redundant flash and burrs between the gear teeth (2) of the gear sprocket formed by pressing through a second press;
s6, cleaning: completely removing oxide skins on the surface of the toothed chain wheel through a shot blasting machine;
s7, coating and plating: partially coating a wear-resistant layer on the teeth (2) of the toothed chain wheel;
s8, detection: the strength of the wheel body (1) and the wheel tooth (2) of the toothed chain wheel is detected.
2. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: in S2, the raw material is heated to 1200-1250 ℃ by a heating furnace.
3. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: in S3, the raw material is beaten by a 250kg air hammer, and the blank making temperature is 1150-1250 ℃.
4. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: in S4, the first press machine is 1600t, and the initial forging temperature is 1100-1200 ℃, and the final forging temperature is 900-950 ℃.
5. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: in S5, the second press machine adopts a 315t press machine to remove redundant flash and burrs between the gear teeth (2), and the trimming temperature is 850-950 ℃.
6. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: and in S6, the diameter of the steel shot filled in the shot blasting machine is 0.5-0.7 mm.
7. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: in S7, the wear-resistant layer is made of NM 600.
8. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: in S8, the hardness of the sprocket body (1) of the sprocket is not less than 48 HRC, and the hardness of the sprocket (2) is not less than 60 HRC.
9. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: at S8, the toothed sprocket performs a 10% spot check score check … according to the check criteria.
10. The process for producing a highly wear-resistant toothed sprocket as claimed in claim 1, wherein: at S8, the qualified sprocket needs to be artificially aged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210251450.2A CN114505660A (en) | 2022-03-15 | 2022-03-15 | Production process of high-wear-resistance toothed chain wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210251450.2A CN114505660A (en) | 2022-03-15 | 2022-03-15 | Production process of high-wear-resistance toothed chain wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114505660A true CN114505660A (en) | 2022-05-17 |
Family
ID=81554277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210251450.2A Pending CN114505660A (en) | 2022-03-15 | 2022-03-15 | Production process of high-wear-resistance toothed chain wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114505660A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270580A (en) * | 1998-03-20 | 1999-10-05 | Metalart Corp | Manufacture of hub flange for clutch |
| US20020073757A1 (en) * | 2000-09-21 | 2002-06-20 | Takahiro Sanada | Method of manufacturing a crown-shaped component |
| CN101590588A (en) * | 2008-05-29 | 2009-12-02 | 江苏威鹰机械有限公司 | The production method of mechanical drive chain wheel |
| CN102029352A (en) * | 2009-09-30 | 2011-04-27 | 西安轨道交通装备有限责任公司 | Method for manufacturing pressboard for rail wagon |
| CN102091916A (en) * | 2011-01-06 | 2011-06-15 | 湖北三环车桥有限公司 | Method for manufacturing complex automotive front axle by using combined roll forging and die forging process and welding process |
| CN102211273A (en) * | 2010-04-07 | 2011-10-12 | 江苏威鹰机械有限公司 | Method for machining input shaft blank of gear box |
| CN102601595A (en) * | 2012-03-07 | 2012-07-25 | 四川绵阳重业齿轮有限责任公司 | Cold extrusion forming method for 20CrMnTi cylinder spur gear |
| CN103706754A (en) * | 2012-10-01 | 2014-04-09 | 江苏威鹰机械有限公司 | Precision forging plastic molding process for internal toothed rings of planetary speed reducers |
| CN104690521A (en) * | 2015-03-11 | 2015-06-10 | 天长市众鑫精密锻造科技有限公司 | Forging technology of single oil groove helical gear |
| CN104858344A (en) * | 2015-05-19 | 2015-08-26 | 第一拖拉机股份有限公司 | Manufacturing method for large driving wheel forged pieces |
| CN106077389A (en) * | 2016-06-17 | 2016-11-09 | 二十二冶集团精密锻造有限公司 | The multidirectional precision die forging process of valve with flange |
| CN106180506A (en) * | 2016-08-26 | 2016-12-07 | 中航动力股份有限公司 | A kind of GH4169 stator blade closed die forging method |
| CN106311945A (en) * | 2015-07-07 | 2017-01-11 | 湖北雷悍锻造有限公司 | Forging machining technology of excavator bucket tooth |
| CN107052728A (en) * | 2017-02-13 | 2017-08-18 | 江苏亿鑫齿轮制造有限公司 | A kind of manufacturing process applied to bevel gear shaft |
| CN110872679A (en) * | 2018-08-29 | 2020-03-10 | 谷城天兴机械有限公司 | Processing method of 5CrNiMo brake shoe roller shaft |
| CN111545697A (en) * | 2020-05-13 | 2020-08-18 | 上海长特锻造有限公司 | Forging process of besides-star wheel |
| CN111570687A (en) * | 2020-04-08 | 2020-08-25 | 上海兴道锻造有限公司 | Forging process of sliding frame |
| CN111992655A (en) * | 2019-05-27 | 2020-11-27 | 辽宁五一八内燃机配件有限公司 | Die forging method for integral crankshaft of large internal combustion engine |
-
2022
- 2022-03-15 CN CN202210251450.2A patent/CN114505660A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270580A (en) * | 1998-03-20 | 1999-10-05 | Metalart Corp | Manufacture of hub flange for clutch |
| US20020073757A1 (en) * | 2000-09-21 | 2002-06-20 | Takahiro Sanada | Method of manufacturing a crown-shaped component |
| CN101590588A (en) * | 2008-05-29 | 2009-12-02 | 江苏威鹰机械有限公司 | The production method of mechanical drive chain wheel |
| CN102029352A (en) * | 2009-09-30 | 2011-04-27 | 西安轨道交通装备有限责任公司 | Method for manufacturing pressboard for rail wagon |
| CN102211273A (en) * | 2010-04-07 | 2011-10-12 | 江苏威鹰机械有限公司 | Method for machining input shaft blank of gear box |
| CN102091916A (en) * | 2011-01-06 | 2011-06-15 | 湖北三环车桥有限公司 | Method for manufacturing complex automotive front axle by using combined roll forging and die forging process and welding process |
| CN102601595A (en) * | 2012-03-07 | 2012-07-25 | 四川绵阳重业齿轮有限责任公司 | Cold extrusion forming method for 20CrMnTi cylinder spur gear |
| CN103706754A (en) * | 2012-10-01 | 2014-04-09 | 江苏威鹰机械有限公司 | Precision forging plastic molding process for internal toothed rings of planetary speed reducers |
| CN104690521A (en) * | 2015-03-11 | 2015-06-10 | 天长市众鑫精密锻造科技有限公司 | Forging technology of single oil groove helical gear |
| CN104858344A (en) * | 2015-05-19 | 2015-08-26 | 第一拖拉机股份有限公司 | Manufacturing method for large driving wheel forged pieces |
| CN106311945A (en) * | 2015-07-07 | 2017-01-11 | 湖北雷悍锻造有限公司 | Forging machining technology of excavator bucket tooth |
| CN106077389A (en) * | 2016-06-17 | 2016-11-09 | 二十二冶集团精密锻造有限公司 | The multidirectional precision die forging process of valve with flange |
| CN106180506A (en) * | 2016-08-26 | 2016-12-07 | 中航动力股份有限公司 | A kind of GH4169 stator blade closed die forging method |
| CN107052728A (en) * | 2017-02-13 | 2017-08-18 | 江苏亿鑫齿轮制造有限公司 | A kind of manufacturing process applied to bevel gear shaft |
| CN110872679A (en) * | 2018-08-29 | 2020-03-10 | 谷城天兴机械有限公司 | Processing method of 5CrNiMo brake shoe roller shaft |
| CN111992655A (en) * | 2019-05-27 | 2020-11-27 | 辽宁五一八内燃机配件有限公司 | Die forging method for integral crankshaft of large internal combustion engine |
| CN111570687A (en) * | 2020-04-08 | 2020-08-25 | 上海兴道锻造有限公司 | Forging process of sliding frame |
| CN111545697A (en) * | 2020-05-13 | 2020-08-18 | 上海长特锻造有限公司 | Forging process of besides-star wheel |
Non-Patent Citations (3)
| Title |
|---|
| 中国锻压协会: "《特种锻造》", 31 May 2011, 国防工业出版社 * |
| 王好臣等: "《工程训练》", 31 July 2020, 机械工业出版社 * |
| 钱苗根等: "《材料表面技术及应用手册》", 30 November 1998, 机械工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101716715B (en) | Processing method of titanium and titanium alloy wires | |
| CN104741499B (en) | Sandwich layer forging die and preparation method of forging die sandwich layer surfacing | |
| CN111790769B (en) | Forging process of transmission steering arm | |
| JP2007118040A (en) | Forging-formed article, producing method therefor and forging-formed apparatus, and producing system for forging article and preliminary formed article | |
| CN112453298B (en) | Cold working method of high-temperature alloy rod and wire for fastener | |
| CN103480685A (en) | Processing method of TC18 titanium alloy wires | |
| KR20100056648A (en) | Forging method of hypoid ring gear for motor vehicles | |
| CN112642988A (en) | Method for forming saddle high-rib-shaped forging | |
| CN110722079B (en) | Preparation process of vertical forged shaft forging | |
| CN1337284A (en) | Manufacturing process of automobile gearbox combined tooth blank | |
| CN113333655B (en) | Fine wire for high-temperature alloy GH2132 cold heading and preparation method thereof | |
| CN114505660A (en) | Production process of high-wear-resistance toothed chain wheel | |
| CN111761007B (en) | Preparation method of GH4169 alloy disc forging added with return material | |
| CN104191187A (en) | Energy-saving and high-efficiency processing method for gear shaft of door closer | |
| JPS61195725A (en) | Manufacture of high strength spur gear | |
| CN114472782B (en) | Forging process for output gear shaft | |
| CN110227914A (en) | A kind of high-precision processing method of the gear shaft of finishing mill of high-speed wire rod mill group | |
| JP2001205385A (en) | Die for cold-forging bevel gear with web | |
| CN106862477A (en) | The forging method of hook bolt | |
| CN109773436B (en) | Cylindrical toothed cutter and machining process thereof | |
| CN103753160A (en) | Production method for countershaft fifth gears 038 of automotive transmissions | |
| JPH07108340A (en) | Manufacture of coarse shape material for rolling bearing race | |
| CN113523285A (en) | Preparation method of powder metallurgy high-density multi-row-tooth chain wheel | |
| CN207728848U (en) | New-energy automobile reducer gear axis | |
| JPS6224170B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220517 |
|
| RJ01 | Rejection of invention patent application after publication |