CN103551561A - Powder metallurgy automobile transmission synchronizer gear and production method thereof - Google Patents
Powder metallurgy automobile transmission synchronizer gear and production method thereof Download PDFInfo
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- CN103551561A CN103551561A CN201310472054.3A CN201310472054A CN103551561A CN 103551561 A CN103551561 A CN 103551561A CN 201310472054 A CN201310472054 A CN 201310472054A CN 103551561 A CN103551561 A CN 103551561A
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Abstract
The invention discloses a powder metallurgy automobile transmission synchronizer gear. The powder metallurgy automotive transmission synchronizer gear is characterized by being made with, by weight, 2.1-2.3 parts of graphite, 5.2-5.4 parts of nickel, 1.2-1.4 parts of copper, 0.4-0.6 part of molybdenum, 0.2-0.3 part of Zr, 0.15-0.18 part of Li, 0.23-0.26 part of Ba, 0.34-0.50 part of In, 0.45-0.85 part of carbon black, 2.1-2.7 parts of zinc stearate, 92-94 parts of iron powder, and 1-2 parts of aid. The carbon black is added, so that wear resistance and lubricity of the gear are improved, the produced gear is compact in structure and good in microstructure, has few pores, and is excellent in structural rigidity, hardness, fatigue resistance and tensile strength, and energy saving and consumption reduction are achieved; production cost is reduced, and production efficiency is improved.
Description
Technical field
The present invention relates to field of powder metallurgy, particularly a kind of powder metallurgy automobile gear shifting box synchronizer gear wheel and preparation method thereof.
Background technology
Powder metallurgy be produce metal dust or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through being shaped and sintering, produce the industrial technology of metal material, composite and all kinds goods.At present, PM technique has been widely used in the fields such as traffic, machinery, electronics, Aero-Space, weapons, biology, new forms of energy, information and nuclear industry, becomes one of branch of tool development vitality in new material science.That PM technique possesses is significantly energy-conservation, economize material, excellent performance, Product Precision is high and the series of advantages such as good stability, is very suitable for producing in enormous quantities.In addition, part material and the also available PM technique manufacture of complex parts that with conventional cast method and machining process, cannot prepare, thereby enjoy the attention of industrial quarters.Powder metallurgy structural part product material composition is not limited by melting, both can add alloying component, can add other structural constituent yet, and adjusts as requested in sizable scope, and then can reach the effect of mating with steel part in mechanical property.
Because transmission input shaft and output shaft are with speed rotation separately, during conversion gear, close and have one " synchronous " problem.Two different gears of rotary speed mesh by force impact will inevitably occur, and damage gear.Therefore, the gear shift of old-fashioned speed changer will adopt the mode of " bipod clutch ", upgrades and stops a moment at neutral position, and downshift will be at neutral position open out, to reduce the speed discrepancy of gear.But this operates more complicated, be difficult to grasp accurately.Therefore designer creates " synchronized ", by synchronized, makes to reach consistent rotating speed and engagement smoothly by meshed gears.
Summary of the invention
The object of this invention is to provide a kind of powder metallurgy automobile gear shifting box synchronizer gear wheel and preparation method thereof.
In order to realize object of the present invention, the present invention passes through following scheme implementation:
A kind of powder metallurgy automobile gear shifting box synchronizer gear wheel, is made by the raw material of following weight portion: graphite 2.1-2.3, nickel 5.2-5.4, copper 1.2-1.4, molybdenum 0.4-0.6, Zr0.2-0.3, Li0.15-0.18, Ba0.23-0.26, In0.34-0.50, carbon black 0.45-0.85, zinc stearate 2.1-2.7, iron powder 92-94, auxiliary agent 1-2;
Described auxiliary agent is made by the raw material of following weight portion: iron powder 3-4, zinc oxide 1-2, isopropyl distearyl acyl-oxygen base Aluminate 1-2, kaolin 2-3, polyvinyl alcohol 2-3, carbon fiber 1-2, ferrous sulfate 2-3, sodium phosphate trimer 1-2, mica powder 3-4, crosslinking agent TAIC1-2, zinc stearate 1-2.Preparation method mixes iron powder, zinc oxide, ferrous sulfate, sodium phosphate trimer, mica powder, grind to form 200-300 order powder, then add isopropyl distearyl acyl-oxygen base Aluminate to mix, under 10-15Mpa, be pressed into blank, then, send at 920-950 ℃ and calcine 3-4 hour, cooling after, be ground into 300-400 order powder, mix with other residual components, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.
Powder metallurgy automobile gear shifting box synchronizer gear wheel of the present invention, by following concrete steps, made:
(1) nickel, copper, molybdenum, Zr, Li, Ba, In, iron powder are mixed, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying is dry, oven dry, under 8-10Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 550-650 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other residual components is mixed;
(3) at 55-65 ℃, after mixing and stirring 70-90 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering furnace, with 6-8 ℃/min of speed, is warming up to sintering 2-3 hour under 800-850 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1050-1150 ℃ of condition; To be cooled to 420-450 ℃ with 8-10 ℃/min of speed again, be incubated after 2-3 hour, in air, slow cooling is to room temperature again.
In raw material of the present invention, increase graphite, increased wearability and the lubricity of gear, the gear dense structure of manufacture, microstructure is good, seldom, the rigidity of structure, hardness, fatigue performance, tensile strength properties are good for hole, and energy-saving and cost-reducing,, reduced production cost, improved production efficiency.
Specific embodiments
Below by instantiation, the present invention is described in detail.
A kind of powder metallurgy automobile gear shifting box synchronizer gear wheel, by following weight portion (kilogram) raw material make: graphite 2.1, nickel 5.2, copper 1.2, molybdenum 0.4, Zr0.2, Li0.15, Ba0.23, In0.34, carbon black 0.45, zinc stearate 2.1, iron powder 92, auxiliary agent 1;
Described auxiliary agent by following weight portion (kilogram) raw material make: iron powder 4, zinc oxide 2, isopropyl distearyl acyl-oxygen base Aluminate 1, kaolin 3, polyvinyl alcohol 3, carbon fiber 1, ferrous sulfate 3, sodium phosphate trimer 1, mica powder 3, crosslinking agent TAIC2, zinc stearate 1.Preparation method mixes iron powder, zinc oxide, ferrous sulfate, sodium phosphate trimer, mica powder, grind to form 200-300 order powder, then add isopropyl distearyl acyl-oxygen base Aluminate to mix, under 10-15Mpa, be pressed into blank, then, send at 920-950 ℃ and calcine 3-4 hour, cooling after, be ground into 300-400 order powder, mix with other residual components, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.Powder metallurgy automobile gear shifting box synchronizer gear wheel of the present invention, by following concrete steps, made:
(1) nickel, copper, molybdenum, Zr, Li, Ba, In, iron powder are mixed, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying is dry, oven dry, under 8-10Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 550-650 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other residual components is mixed;
(3) at 55-65 ℃, after mixing and stirring 70-90 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering furnace, with 6-8 ℃/min of speed, is warming up to sintering 2-3 hour under 800-850 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1050-1150 ℃ of condition; To be cooled to 420-450 ℃ with 8-10 ℃/min of speed again, be incubated after 2-3 hour, in air, slow cooling is to room temperature again.
Through detection, the hardness of automobile gear shifting box synchronizer gear wheel of the present invention: HRC53; Tensile strength: 1070MPa.
Claims (2)
1. a powder metallurgy automobile gear shifting box synchronizer gear is taken turns, it is characterized in that, by the raw material of following weight portion, made: graphite 2.1-2.3, nickel 5.2-5.4, copper 1.2-1.4, molybdenum 0.4-0.6, Zr0.2-0.3, Li0.15-0.18, Ba0.23-0.26, In0.34-0.50, carbon black 0.45-0.85, zinc stearate 2.1-2.7, iron powder 92-94, auxiliary agent 1-2;
Described auxiliary agent is made by the raw material of following weight portion: iron powder 3-4, zinc oxide 1-2, isopropyl distearyl acyl-oxygen base Aluminate 1-2, kaolin 2-3, polyvinyl alcohol 2-3, carbon fiber 1-2, ferrous sulfate 2-3, sodium phosphate trimer 1-2, mica powder 3-4, crosslinking agent TAIC1-2, zinc stearate 1-2; Preparation method mixes iron powder, zinc oxide, ferrous sulfate, sodium phosphate trimer, mica powder, grind to form 200-300 order powder, then add isopropyl distearyl acyl-oxygen base Aluminate to mix, under 10-15Mpa, be pressed into blank, then, send at 920-950 ℃ and calcine 3-4 hour, cooling after, be ground into 300-400 order powder, mix with other residual components, be heated to 60-70 ℃, under 1200-1500 rev/min, stir 1-2 hour, obtain.
2. powder metallurgy automobile gear shifting box synchronizer gear is taken turns according to claim 1, it is characterized in that, by following concrete steps, is made:
(1) nickel, copper, molybdenum, Zr, Li, Ba, In, iron powder are mixed, add in suitable quantity of water, send into ball milling in ball mill, obtain 250-400 order powder, then, spraying is dry, oven dry, under 8-10Mpa pressure, is pressed into bulk, then under nitrogen protection atmosphere 550-650 ℃ carry out sintering 8-10 hour, will be after the crushing material after sintering cross 200-400 mesh sieve;
(2) other residual components is mixed;
(3) at 55-65 ℃, after mixing and stirring 70-90 minute, pack step (1), (2) material into mould, be pressed into base;
(4) pressed compact is placed in sintering furnace, with 6-8 ℃/min of speed, is warming up to sintering 2-3 hour under 800-850 ℃ of condition; Then with 5-7 ℃/min of speed, be warming up to sintering 2-3 hour under 1050-1150 ℃ of condition; To be cooled to 420-450 ℃ with 8-10 ℃/min of speed again, be incubated after 2-3 hour, in air, slow cooling is to room temperature again.
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| CN201310472054.3A CN103551561A (en) | 2013-10-11 | 2013-10-11 | Powder metallurgy automobile transmission synchronizer gear and production method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670208A (en) * | 2016-02-23 | 2016-06-15 | 桐乡市搏腾贸易有限公司 | Novel automobile synchronizer hub and preparation method thereof |
| CN107881396A (en) * | 2017-11-30 | 2018-04-06 | 无锡昊瑜节能环保设备有限公司 | A kind of preparation method of automobile brake sheet low noise powdered metallurgical material |
| CN114570929A (en) * | 2022-03-04 | 2022-06-03 | 盐城东葵科技有限公司 | Heavy-load anti-fatigue reduction gear and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203753B1 (en) * | 1996-05-13 | 2001-03-20 | The Presmet Corporation | Method for preparing high performance ferrous materials |
| CN101696688A (en) * | 2009-10-28 | 2010-04-21 | 宁波甬台粉末冶金有限公司 | Oil pump gear and manufacturing method thereof |
| CN102691772A (en) * | 2012-06-15 | 2012-09-26 | 扬州保来得科技实业有限公司 | Gear of starting motor of automobile engine and preparation method of gear |
| CN102756123A (en) * | 2012-06-21 | 2012-10-31 | 芜湖禾丰离合器有限公司 | Automobile clutch gear with sintered copper, aluminum and steel based on powder metallurgy technology and manufacturing method of automobile clutch gear |
| CN102950435A (en) * | 2012-10-27 | 2013-03-06 | 富莱茵汽车部件有限公司 | Preparation method of gear of hydraulic pump for preventing agglutination of tooth surface |
| CN103223486A (en) * | 2013-03-30 | 2013-07-31 | 安徽省恒宇粉末冶金有限公司 | Powder metallurgy duplicate gear and preparation method thereof |
-
2013
- 2013-10-11 CN CN201310472054.3A patent/CN103551561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203753B1 (en) * | 1996-05-13 | 2001-03-20 | The Presmet Corporation | Method for preparing high performance ferrous materials |
| CN101696688A (en) * | 2009-10-28 | 2010-04-21 | 宁波甬台粉末冶金有限公司 | Oil pump gear and manufacturing method thereof |
| CN102691772A (en) * | 2012-06-15 | 2012-09-26 | 扬州保来得科技实业有限公司 | Gear of starting motor of automobile engine and preparation method of gear |
| CN102756123A (en) * | 2012-06-21 | 2012-10-31 | 芜湖禾丰离合器有限公司 | Automobile clutch gear with sintered copper, aluminum and steel based on powder metallurgy technology and manufacturing method of automobile clutch gear |
| CN102950435A (en) * | 2012-10-27 | 2013-03-06 | 富莱茵汽车部件有限公司 | Preparation method of gear of hydraulic pump for preventing agglutination of tooth surface |
| CN103223486A (en) * | 2013-03-30 | 2013-07-31 | 安徽省恒宇粉末冶金有限公司 | Powder metallurgy duplicate gear and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670208A (en) * | 2016-02-23 | 2016-06-15 | 桐乡市搏腾贸易有限公司 | Novel automobile synchronizer hub and preparation method thereof |
| CN107881396A (en) * | 2017-11-30 | 2018-04-06 | 无锡昊瑜节能环保设备有限公司 | A kind of preparation method of automobile brake sheet low noise powdered metallurgical material |
| CN114570929A (en) * | 2022-03-04 | 2022-06-03 | 盐城东葵科技有限公司 | Heavy-load anti-fatigue reduction gear and preparation method thereof |
| CN114570929B (en) * | 2022-03-04 | 2024-04-02 | 盐城东葵科技有限公司 | Heavy-load anti-fatigue type speed reduction gear coating tool |
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Application publication date: 20140205 |