CN103464750A - Manufacturing method of automobile ABS (acrylonitrile-butadiene-styrene) induction counting tooth ring - Google Patents
Manufacturing method of automobile ABS (acrylonitrile-butadiene-styrene) induction counting tooth ring Download PDFInfo
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- CN103464750A CN103464750A CN2013104738848A CN201310473884A CN103464750A CN 103464750 A CN103464750 A CN 103464750A CN 2013104738848 A CN2013104738848 A CN 2013104738848A CN 201310473884 A CN201310473884 A CN 201310473884A CN 103464750 A CN103464750 A CN 103464750A
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Abstract
The invention discloses a manufacturing method of an automobile ABS (acrylonitrile-butadiene-styrene) induction counting tooth ring, which can implement high-efficiency mass production of automobile ABS induction counting tooth rings. The technical scheme is as follows: the method comprises the following steps: filling a uniformly mixed alloy powder material with the particle size of at least 10 meshes into a precast mold, wherein the alloy powder material preferably comprises the following components in percentage by weight: 3-4% of Cu, 1.5-2.5% of Ni, 1.3-1.7% of Cr, 2.2-2.8% of sulfur manganese, 2.5-3.5% of rare-earth element, 0.65-0.75% of C, 0.45-0.55% of zinc stearate and the balance of Fe powder; pressing into an alloy steel blank under the pressure of 7-8 tf/cm<2>; carrying out high-temperature sintering on the blank at 1100-1110 DEG C, and keeping the temperature in reducing gas and nitrogen for 3.3-3.8 hours; cooling to room temperature, and putting the formed blank in a finishing mold for further extrusion, wherein the external diameter of the extrusion allowance is 53-58 mu m, and the internal diameter is 65-75 mu m; carrying out partial slight turning and trimming for formation; and finally, carrying out Dacromet treatment on the surface.
Description
Technical field
The invention relates to the manufacture method of automobile ABS sense counter gear ring, more particularly, the present invention is a kind of manufacture method about end face profiled parts in automobile ABS antilock (lock) tight braking system.
Background technology
The manufacture method of automobile ABS sense counter gear ring and other parts, conventional adopt 45 carbon steel bars or with 45 carbon steel blanks, through multiple operation machine cut processing, high-frequency quenching, form, above two kinds of manufacture methods all can process end face profiled parts in the automobile ABS that meets instructions for use antilock (lock) tight braking system, shortcoming is expense material, while taking a lot of work, multiple operation machine cut converted products qualification rate is low.More than when the above-mentioned technique of automobile ABS sense counter gear ring is manufactured, 8h in man-hour is had enough to meet the need in single-piece materials 680g, net weight 270g, consumption.
Summary of the invention
The objective of the invention is to overcome the shortcoming of the existing manufacture method of automobile ABS sense counter gear ring, a kind of manufacture method of automobile ABS sense counter gear ring is provided, use the method can not only save materials, save man-hour and can greatly improve processing precision of products and part displacement property.
Technical scheme of the present invention is: change metal cutting and be configured as with mould compressing, the clean nearly forming technique of application powder metallurgy, add the alloying elements such as Cu, Ni, Cr, sulphur manganese, rare earth element in iron, make the blank of alloy steel, through high temperature sintering, the extruding of cooling, die finish, a small amount of car machining moulding, last surface, carry out the Dacroment processing.
The present invention is achieved by following technical proposals: a kind of manufacture method of automobile ABS sense counter gear ring, carry out the Dacroment processing and be shaped through mixing, compacting, sintering, finishing, surface by a combination bronze powder material, it comprises the following steps: that (1) is uniformly mixed to wadding warp in prefabricated molds, granularity>=100 purpose alloy powder materials, each composition is 2～5%Cu, 1～3%Ni, 1～2%C r, 2～3% sulphur manganese, 2～4% rare earth elements, 0.6～0.8%C, 0.4～0.6% zinc stearate by its weight proportion, and all the other are the Fe powder; (2) at 9～12tf/cm
2under be pressed into the blank of steel alloy matter; (3) high temperature sintering of 1100～1120 ℃ for blank, and be incubated 3～4h in reducibility gas nitrogen; (4) by circulating cooling water channel to room temperature; (5) blank of thermal sintering is inserted to die finish and further push, extruding allowance external diameter 50～60 μ m, internal diameter 60～80 μ m; (6) local a small amount of car machining moulding; (7) the Dacroment processing is carried out on surface.
Be uniformly mixed granularity >=100 purpose alloy powder materials to wadding warp in prefabricated mould, each composition is 2～5%Cu, 1～3%Ni, 1～2%C r, 2～3% sulphur manganese, 2～4% rare earth elements, 0.6～0.8%C, 0.4～0.6% zinc stearate by its weight proportion, and all the other are the Fe powder; Be pressed into the blank of steel alloy matter for 2 times at 6～9tf/ ㎝; The high temperature sintering of 1090～1120 ℃ for blank, and be incubated 3～4h in reducibility gas nitrogen; Be cooled to room temperature by cyclic water channel; In type blank is inserted to further extruding in die finish, extruding allowance external diameter 50～60 μ m, internal diameter 60～80 μ m; Local a small amount of car machining moulding; The Dacroment processing is carried out on last surface.
Above-mentioned alloy powder material is preferably 3～4%Cu, 1.5～2.5%Ni, 1.3～1.7%C r, 2.2～2.8% sulphur manganese, 2.5～3.5% rare earth elements, 0.65～0.75%C, 0.45～0.55% zinc stearate by its weight proportion by each composition, and all the other are the Fe powder.Press power is preferably 7～8tf/ ㎝ 2; Sintering temperature is preferably 1100～1110 ℃; Temperature retention time is preferably in 3.3～3.8h; Finishing extruding allowance external diameter is 53～58 μ m, internal diameter 65～75 μ m preferably preferably.
Compared with prior art, beneficial effect is as follows in the present invention:
The automobile ABS gear ring blank materials of 1 net weight 240g are 290g only.
2 automobile automobile ABS gear ring 5min in man-hour.
3 under identical operating mode, need not just can meet intensity and wear-resisting requirement by high-frequency quenching, has overcome because of the distortion that quenching brings, the shortcoming of variable color.
4 have improved the displacement of part.
5 integrated costs are low.
The specific embodiment
Below in conjunction with embodiment, the invention will be further described.Each composition is 2～5%Cu by its weight proportion, 1～3%Ni, 1～2%C r, 2～3% sulphur manganese, 2～4% rare earth elements, 0.6～0.8%C, 0.4～0.6% zinc stearate, all the other are inserted in airtight container for the Fe powder, be uniformly mixed into alloyed powder, in alloyed powder, each composition is preferably 3～4%Cu by its weight proportion, 1.5～2.5%Ni, 1.3～1.7%C r, 2.2～2.8% sulphur manganese, 2.5～3.5% rare earth element, 0.65～0.75%C, 0.45～0.55% zinc stearate, all the other are filled into alloyed powder in prefabricated molds for the Fe powder, be pressed into the blank of alloy steel with 6～9tf/ ㎝ 2, press power the best is 7～8tf/ ㎝ 2.The high temperature sintering of 1090～1120 ℃ for compressing blank, and be incubated 3～4h in reducibility gas nitrogen, sintering temperature be take 1100～1110 ℃ as best, and temperature retention time be take 3.3～3.8h as best.Be cooled to room temperature by water channel.The blank of thermal sintering is inserted to extruding in die finish, extruding allowance external diameter 50～60 μ m, internal diameter 60～80 μ m; Alloy blank dense structure property be can improve by extruding, thereby wearability, best extruding allowance external diameter 53～58 μ m, internal diameter 65～75 μ m improved; Local a small amount of machining moulding; The Dacroment processing is carried out on last surface.Can most economically produce in batches automobile ABS sense counter gear ring by above-mentioned process.
It is below the example of manufacturing automobile ABS sense counter gear ring.Can understand automobile speed variator shift mechanism special-shaped component performance impact under different proportionings and different technology conditions by example.
Comparative Examples: at the Fe powder, add weight proportioning 0.7%C, 0.5% zinc stearate; stir; the metal powder that is mixed with iron carbon character is filled in prefabricated molds; be pressed into the blank of steel alloy matter under 6～9tf/ ㎝, 2 pressure; the blank high temperature sintering; 1090～1120 ℃ of temperature, and be incubated 3～4h in reducibility gas nitrogen; Be cooled to room temperature in following water channel; The blank be shaped is inserted to further extruding in die finish, extruding allowance external diameter 50～60 μ m, internal diameter 60～80 μ m; Local a small amount of car machining moulding; The Dacroment processing is carried out on last surface, and this scheme produces the automobile ABS sense counter gear ring of carbon steel material and easily processes, but still need to improve wearability with high-frequency quenching.
Embodiment 1: to the alloy powder material of the wadding warp sealing is uniformly mixed in prefabricated molds granularity >=100 purposes, each composition is 2%Cu, 1%Ni, 1%Cr, 2% sulphur manganese, 2% rare earth element, 0.6%C, 0.4% zinc stearate by weight ratio, and all the other are the Fe powder; Be pressed into the blank of steel alloy matter for 2 times at 6tf/ ㎝; The high temperature sintering of 1090 ± 5 ℃ for blank, and be incubated 3h in reducibility gas nitrogen; Be cooled to room temperature by cyclic water channel; The blank be shaped is inserted to further extruding in die finish, extruding allowance external diameter 50 μ m, internal diameter 60 μ m; Local a small amount of car machining moulding; The Dacroment processing is carried out on last surface.The present embodiment is compared conservation, machining period in a large number with original manufacture method, improve machining accuracy, improves tensile strength and wearability.
Embodiment 2: to the alloy powder material of the wadding warp sealing is uniformly mixed in prefabricated molds granularity >=100 purposes, each composition is 4%Cu, 2%Ni, 1.5%Cr, 2.5% sulphur manganese, 3% rare earth element, 0.7%C, 0.5% zinc stearate by weight ratio, and all the other are the Fe powder; Be pressed into the blank of steel alloy matter for 2 times at 8tf/ ㎝; The high temperature sintering of 1110 ± 5 ℃ for blank, and be incubated 3.5h in reducibility gas nitrogen; Be cooled to room temperature by cyclic water jacket; The blank be shaped is inserted to further extruding in die finish, extruding allowance external diameter 55 μ m, internal diameter 70 μ m; Local a small amount of car cutting finishing setting, the Dacroment processing is carried out on last surface.The present embodiment is compared conservation, machining period in a large number with original manufacture method, when improving tensile strength, wearability, the impact flexibility index also increases, and improves the displacement of part.
Claims (2)
1. the manufacture method of an automobile ABS sense counter gear ring, it is characterized in that, the process of the clean nearly moulding of the powder metallurgy that carries out the Dacroment processing with a combination bronze powder material through mixing, compacting, sintering, finishing, surface and be shaped, it comprises the following steps: that (1) is uniformly mixed to wadding warp in prefabricated molds, granularity >=100 purpose alloy powder materials, each composition is 2～5%Cu, 1～3%Ni, 1～2%C r, 2～3% sulphur manganese, 2～4% rare earth elements, 0.6～0.8%C, 0.4～0.6% zinc stearate by its weight proportion, and all the other are the Fe powder; (2) be pressed into the blank of steel alloy matter under 9～12tf/cm2; (3) high temperature sintering of 1100～1120 ℃ for blank, and be incubated 3～4h in reducibility gas nitrogen; (4) by circulating cooling water channel to room temperature; (5) blank of thermal sintering is inserted to die finish and further push, extruding allowance external diameter 50～60 μ m, internal diameter 60～80 μ m; (6) local a small amount of car machining moulding; (7) the Dacroment processing is carried out on surface.
2. the manufacture method of automobile ABS sense counter gear ring according to claim 1, it is characterized in that: in described step (1), each composition weight proportioning of alloy powder material is 3～4%Cu, 1.5～2.5%Ni, 1.3～1.7%C r, 2.2～2.8% sulphur manganese, 2.5～3.5% rare earth elements, 0.65～0.75%C, 0.45～0.55% zinc stearate, and all the other are the Fe powder; The press power of described step (2) is preferably 7～8tf/ ㎝ 2; The sintering temperature of described step (3) is preferably 1100～1110 ℃, and described temperature retention time is preferably in 3.3～3.8h; The finishing extruding allowance external diameter of described step (5) is 53～58 μ m, internal diameter 65～75 μ m preferably preferably.
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| CN2013104738848A CN103464750A (en) | 2013-10-12 | 2013-10-12 | Manufacturing method of automobile ABS (acrylonitrile-butadiene-styrene) induction counting tooth ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225364A (en) * | 2016-03-24 | 2017-10-03 | 扬州保来得科技实业有限公司 | A kind of preparation method of automatic gearbox of vehicles clutch engagement signal wheel |
| CN108213437A (en) * | 2018-02-02 | 2018-06-29 | 陕西华夏粉末冶金有限责任公司 | New-energy automobile ferrous based powder metallurgical induction gear ring material component and the method using the material preparation induction gear ring |
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| CN1131069A (en) * | 1995-12-29 | 1996-09-18 | 徐家林 | Oil pump choke regulating ring gear made of metal powder material and its making method |
| CN1858288A (en) * | 2006-06-06 | 2006-11-08 | 吉林大学 | Sintered metal material for assembled hollow camshaft and cam and its preparing and treating method |
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| CN102705477A (en) * | 2012-06-15 | 2012-10-03 | 扬州保来得科技实业有限公司 | High-precision speed-regulating sliding gear ring and preparation method for same |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6036645A (en) * | 1983-08-08 | 1985-02-25 | Kubota Ltd | Composite cylinder liner |
| CN1131069A (en) * | 1995-12-29 | 1996-09-18 | 徐家林 | Oil pump choke regulating ring gear made of metal powder material and its making method |
| CN1858288A (en) * | 2006-06-06 | 2006-11-08 | 吉林大学 | Sintered metal material for assembled hollow camshaft and cam and its preparing and treating method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107225364A (en) * | 2016-03-24 | 2017-10-03 | 扬州保来得科技实业有限公司 | A kind of preparation method of automatic gearbox of vehicles clutch engagement signal wheel |
| CN108213437A (en) * | 2018-02-02 | 2018-06-29 | 陕西华夏粉末冶金有限责任公司 | New-energy automobile ferrous based powder metallurgical induction gear ring material component and the method using the material preparation induction gear ring |
| CN108213437B (en) * | 2018-02-02 | 2021-04-13 | 陕西华夏粉末冶金有限责任公司 | Method for preparing induction gear ring by adopting new energy automobile iron-based powder material |
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Application publication date: 20131225 |