CN103556056A - Electric control vibration damper valve seat of vehicle - Google Patents
Electric control vibration damper valve seat of vehicle Download PDFInfo
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- CN103556056A CN103556056A CN201310440476.2A CN201310440476A CN103556056A CN 103556056 A CN103556056 A CN 103556056A CN 201310440476 A CN201310440476 A CN 201310440476A CN 103556056 A CN103556056 A CN 103556056A
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Abstract
The invention provides an electric control vibration damper valve seat of a vehicle, which is made of the following components by weight: 100 parts of atomized iron powder, 1.5-5.0 parts of copper powder, 1.0-3.0 parts of nickel powder, 0.5-1.5 parts of colloid graphite, 0.5-1.0 parts of micro powder wax, 0.2-0.6 parts of manganese sulfide, and 0.3-0.8 parts of flow reinforcing agent. The preparation steps comprise: (1) batch mixing: mixing the materials by a blender mixer; (2) compression moulding: compressing by a powder forming machine, wherein compression pressure is 5.0-6.0t/cm2, and moulding density is 6.5-6.6g/cm3; and (3) sintering: sintering by a mesh belt furnace, wherein the sintering time is 4.0-5.0h, mesh speed is 9.5-11.5cm/min, sintering temperature is 1110-1135 DEG C, and a shielding gas is filled in a sintering process. The valve seat is produced by a powder metallurgy technology, and has advantages of obviously low manufacturing cost, material saving, high consistency of product manufacture precision and product batch production, few subsequent process, and good high temperature wear resistance.
Description
Technical field
The present invention relates to field of powder metallurgy, specifically a kind of automobile electrically-controlled vibroshock valve seat.
Technical background
Along with improving constantly of automobile making level, people have higher requirement for the handling and comfortableness of automobile.And this wherein, vehicle vibration damping system plays vital effect.So adaptive faculty is stronger, experiences more perfect electronic control shock absorber and just arisen at the historic moment.And wherein electronic control shock absorber valve seat is because structure is special, what prior art adopted is that steel part is produced, and shortcoming is that cost is higher, and following process amount is large, causes larger waste of material, and the consistence when making precision of product is with batch production simultaneously is also difficult to be guaranteed.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of automobile electrically-controlled vibroshock valve seat, and this valve seat adopts powder metallurgical technique to produce, and can obviously reduce manufacturing cost, save material, the consistence that improves product manufacturing accuracy and product batch production, following process is few, and wear resistance at elevated temperature is good.
Technical solution of the present invention is: a kind of automobile electrically-controlled vibroshock valve seat, by the component of following parts by weight, made: 100 parts of atomized iron powders, copper powder 1.5-5.0 part, nickel powder 1.0-3.0 part, oildag 0.5-1.5 part, micro mist wax 0.5-1.0 part, manganese sulfide 0.2-0.6 part, flow velocity toughener 0.3-0.8 part.
Concrete preparation process comprises:
(1) batch mixing
Adopt mixer, raw material is mixed;
(2) compression moulding
The compacting of employing powder former, pressing pressure is at 5.0-6.0 ton/square centimeter, and compact density is 6.5-6.6 gram/cc, and pressing speed is only preferably per minute 8-12.
(3) sintering
Adopting meshbeltfurnace to carry out sintering, is the meshbeltfurnace of powder metallurgy special use, and sintering time is 4.0-5.0 hour, network speed 9.5-11.5cm/ minute, and sintering temperature is 1110-1135 ℃, sintering process is filled with protection gas; Protection gas is the rare gas elementes such as nitrogen or argon gas;
Described network speed refers to the speed that product is advanced on guipure, by adjusting electric machine frequency, adjusts network speed.
As preferably, sintering time is 4.5 hours, network speed 10.0 cm per minute, and 1120 ℃ of sintering temperatures, sintering process is filled with nitrogen.
As preferably, described automobile electrically-controlled vibroshock valve seat is made by the component of following parts by weight: 100 parts of atomized iron powders, copper powder 3.0-4.0 part, nickel powder 1.5-2.5 part, oildag 0.7-1.2 part, micro mist wax 0.5-0.8 part, manganese sulfide 0.2-0.6 part, flow velocity toughener 0.3-0.8 part;
Further, above-mentioned automobile electrically-controlled vibroshock valve seat is made by the component of following parts by weight: 100 parts of atomized iron powders, 3.5 parts of copper powders, 2.0 parts of nickel powders, 0.9 part of oildag, 0.7 part of micro mist wax, 0.4 part of manganese sulfide, 0.5 part of flow velocity toughener.
Described atomized iron powder is water-atomized iron powder.
Described micro mist wax is polyethylene micropowder wax or polypropylene micro mist wax, and particle diameter is 2-40 μ m, is of value to the surface clearness improving after green strength and product sintering.
Described flow velocity toughener is that Powder Metallurgy Industry is for improving the auxiliary agent of rate of powder, can buy and obtain from the market, LS-350, LS-460, LS-580 type flow velocity toughener for the production of Guangzhou Qing Fanxiang novel material company limited, flow velocity while suppressing for improving metal-powder, also referred to as powder adhesive or flow velocity toughener, contribute to solve product local density situation on the low side.
As preferably, described copper powder granularity is 100-400 order, and nickel powder granularity is 100-400 order.
In order to obtain the valve seat that performance is more excellent, the valve seat after above-mentioned sintering is done to further processing, that is:
(4) finishing
Adopt powder metallurgy super-finishing machine to carry out shaping, improve Product Precision, the product after requiring to adopt digital controlled lathe to finishing higher in the situation that is further processed again;
(5) blackening process
Adopt water vapor treatment furnace to process, temperature 500-600 ℃, treatment time 3-4 hour, preferred steam-treated temperature is 520-580 ℃, in 3.5 hours treatment times, improves product surface hardness, to increase its wear resistance.
The invention has the beneficial effects as follows: 1, the automobile electrically-controlled vibroshock valve seat of the present invention, with powder metallurgy foundry goods, substitute traditional steel part, according to product performance requirement, add the alloying elements such as nickel powder, copper powder, graphite, to guarantee that it has better mechanical property, higher intensity and pressed density; 2, the present invention adopts atomized iron powder to make powdered metal parts have high-mechanical property and pressed density; 3, adopt powder metallurgical sintering process, few without machining, material use efficiency is high, and production precision is high, the high conformity of product during batch production; 4, by adding flow velocity toughener, prevent that product local density is on the low side and the dry linting that produces or even cannot moulding, make product be able to once shaped; 5, after compression moulding of the present invention, adopt the meshbeltfurnace of powder metallurgy special use to carry out sintering, compare with conventional employing ordinary steel blank forming, production process and the cycle of product have not only greatly been reduced, reduced production cost, and saved resource, and improved material use efficiency, obtained good economic benefit; 6, for obtaining better material property, can carry out finishing and blackening process, make product surface there is better wear resistance.
Embodiment
Below by embodiment, technical solution of the present invention is described in further detail.
The F-0 oildag that described oildag is produced by Qingdao City Pingdu Citroen zx machining graphite factory; Described flow velocity toughener is produced by Guangzhou Qing Fanxiang novel material company limited.Described powder former is that the model that Ji Chengyu river, Zhejiang Machinery Co., Ltd. produces is S series 60 type powder formers.Described powder finishing machine is the powder finishing machine that Zhejiang Forging Machinery Group Co Ltd produces.
Embodiment 1
Oildag, 0.7 part of polyethylene micropowder wax, 0.4 part of manganese sulfide, 0.5 part of model that the water atomization straight iron powder that is 300W by 100 parts of trades mark, 3.5 part of 250 order copper powder, 2.0 part of 150 order nickel powder, 0.9 part of trade mark are F-0 are that LS-460 flow velocity toughener is poured in biconical mixer sequentially, rotating speed is 25 revs/min, mixed system 60 minutes.
The compacting of employing powder former, pressing pressure is 6.0 tons/square centimeter, 10 of pressing speed per minutes, compact density is 6.55 grams/cc.
Adopt the meshbeltfurnace of field of powder metallurgy special use to carry out sintering, sintering time 4.5 hours, network speed 10cm/ minute, sintering temperature is 1120 ℃, sintering process is filled with nitrogen.
Embodiment 2
Oildag, 0.7 part of polyethylene micropowder wax, 0.3 part of manganese sulfide, 0.4 part of model that the water atomization straight iron powder that is 300W by 100 parts of trades mark, 2.0 part of 250 order copper powder, 2.5 part of 250 order nickel powder, 0.6 part of trade mark are F-0 are that LS-350 flow velocity toughener is poured in biconical mixer sequentially, rotating speed is 25 revs/min, mixed system 60 minutes.
Adopt the powder former compacting that model is S-60L, pressing pressure is 5.5 tons/square centimeter, and compact density is 6.51 grams/cc, and pressing speed is preferably 10 of per minutes.
Adopt the meshbeltfurnace of field of powder metallurgy special use to carry out sintering, sintering time 4.5 hours, network speed 11cm/ minute, sintering temperature is 1130 ℃, sintering process is filled with nitrogen.
Adopt powder finishing machine to carry out shaping; Then adopt water vapor treatment furnace to process, 550 ° for the treatment of temps, 3.5 hours time.
Embodiment 3
The oildag that the water atomization straight iron powder that is 300W by 100 parts of trades mark, 4.5 part of 200 order copper powder, 1.5 part of 200 order nickel powder, 0.8 part of trade mark are F-0,0.8 part of polypropylene micro mist wax, 0.5 part of manganese sulfide, 0.6 part go the anti-segregation of static to improve flow velocity agent LS-580 to pour into sequentially in biconical mixer, rotating speed is 25 revs/min, mixed system 60 minutes.
It is described that to go the anti-segregation of static to improve flow velocity agent LS-580 be also a kind of flow velocity toughener, be also Guangzhou Qing Fanxiang novel material company limited produce for powder metallurgy pressing time improve the product of flow velocity.
Adopt the powder former compacting that model is S-60L, pressing pressure is 6.0 tons/square centimeter, 8 of pressing speed per minutes, and compact density is 6.57 grams/cc.
Adopt the meshbeltfurnace of powder metallurgy special use to carry out sintering, sintering time 5 hours, network speed 10.5cm/ minute, sintering temperature is 1130 ℃, sintering process is filled with nitrogen.
Adopt powder finishing machine to carry out shaping; Then adopt water vapor treatment furnace to process, 580 ° for the treatment of temps, 3.5 hours time.
The product test obtaining the results are shown in Table 1.
Table 1
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Hardness (HRB) | 85 | 82 | 87 |
| Density (g/cm 3） | 6.7 | 6.68 | 6.7 |
| Tensile strength (N/mm 2） | 350 | 350 | 360 |
Above embodiment is to explanation of the present invention and further explains, rather than limitation of the present invention, and any modification of making in the scope of the present invention, all falls into protection scope of the present invention.
Claims (7)
1. an automobile electrically-controlled vibroshock valve seat, is characterized in that: the component by following parts by weight is made: 100 parts of atomized iron powders, copper powder 1.5-5.0 part, nickel powder 1.0-3.0 part, oildag 0.5-1.5 part, micro mist wax 0.5-1.0 part, manganese sulfide 0.2-0.6 part, flow velocity toughener 0.3-0.8 part;
Preparation process comprises:
(1) batch mixing: adopt mixer, raw material is mixed;
(2) compression moulding: adopt powder former compacting, pressing pressure is 5.0-6.0 ton/square centimeter, and compact density is 6.5-6.6 gram/cc;
(3) sintering: adopt meshbeltfurnace to carry out sintering, sintering time is 4.0-5.0 hour, network speed 9.5-11.5 cm per minute, sintering temperature is 1110-1135 ℃, sintering process is filled with protection gas.
2. automobile electrically-controlled vibroshock valve seat according to claim 1, is characterized in that: the component by following parts by weight is made: 100 parts of atomized iron powders, copper powder 3.0-4.0 part, nickel powder 1.5-2.5 part, oildag 0.7-1.2 part, micro mist wax 0.5-0.8 part, manganese sulfide 0.2-0.6 part, flow velocity toughener 0.3-0.8 part.
3. automobile electrically-controlled vibroshock valve seat according to claim 1, is characterized in that: the component by following parts by weight is made: 100 parts of atomized iron powders, 3.5 parts of copper powders, 2.0 parts of nickel powders, 0.9 part of oildag, 0.7 part of micro mist wax, 0.4 part of manganese sulfide, 0.5 part of flow velocity toughener.
4. automobile electrically-controlled vibroshock valve seat according to claim 1, is characterized in that: described micro mist wax is polyethylene micropowder wax or polypropylene micro mist wax.
5. automobile electrically-controlled vibroshock valve seat according to claim 1, is characterized in that: described flow velocity toughener is that the model that Guangzhou Qing Fanxiang novel material company limited produces is the flow velocity toughener of LS-350, LS-460, LS-580.
6. automobile electrically-controlled vibroshock valve seat according to claim 1, is characterized in that: described copper powder granularity is 100-400 order, and nickel powder granularity is 100-400 order.
7. automobile electrically-controlled vibroshock valve seat according to claim 1, is characterized in that: preparation process also comprises:
(4) finishing: the product after adopting powder metallurgy super-finishing machine to sintering carries out shaping;
(5) blackening process: adopt steam-treated stove to process, temperature 500-600 ℃, treatment time 3-4 hour.
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| CN201310440476.2A CN103556056B (en) | 2013-09-24 | 2013-09-24 | Electric control vibration damper valve seat of vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384505A (en) * | 2014-10-30 | 2015-03-04 | 扬州立德粉末冶金股份有限公司 | Powder metallurgy iron-based high-damping absorber valve seat and preparation method thereof |
| CN107043885A (en) * | 2017-04-28 | 2017-08-15 | 张家港振江粉末冶金制品有限公司 | A kind of manufacture method of immediate action valve valve element |
| CN107470633A (en) * | 2017-07-27 | 2017-12-15 | 宁波金钟粉末冶金有限公司 | A kind of damper valve seat |
| CN108568517A (en) * | 2018-04-04 | 2018-09-25 | 扬州汇峰新材料有限公司 | A kind of preparation method of powder metallurgy locator |
| CN109628848A (en) * | 2018-12-28 | 2019-04-16 | 浙江江兴汽车检测设备有限公司 | A kind of Retarder dilval magnetic conductive board and preparation method thereof |
| CN111349374A (en) * | 2020-03-30 | 2020-06-30 | 滨海力天科技有限公司 | Coating for beer cap adhesive |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101590524A (en) * | 2009-06-23 | 2009-12-02 | 诸城市同翔机械有限公司 | The material prescription of high-strength powder metallurgy valve guide pipe |
| CN103252498A (en) * | 2013-04-09 | 2013-08-21 | 吴建平 | Method for preparing powder metallurgy of valve seat |
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2013
- 2013-09-24 CN CN201310440476.2A patent/CN103556056B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590524A (en) * | 2009-06-23 | 2009-12-02 | 诸城市同翔机械有限公司 | The material prescription of high-strength powder metallurgy valve guide pipe |
| CN103252498A (en) * | 2013-04-09 | 2013-08-21 | 吴建平 | Method for preparing powder metallurgy of valve seat |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104384505A (en) * | 2014-10-30 | 2015-03-04 | 扬州立德粉末冶金股份有限公司 | Powder metallurgy iron-based high-damping absorber valve seat and preparation method thereof |
| CN107043885A (en) * | 2017-04-28 | 2017-08-15 | 张家港振江粉末冶金制品有限公司 | A kind of manufacture method of immediate action valve valve element |
| CN107470633A (en) * | 2017-07-27 | 2017-12-15 | 宁波金钟粉末冶金有限公司 | A kind of damper valve seat |
| CN107470633B (en) * | 2017-07-27 | 2019-10-11 | 宁波金钟粉末冶金有限公司 | A kind of damper valve seat |
| CN108568517A (en) * | 2018-04-04 | 2018-09-25 | 扬州汇峰新材料有限公司 | A kind of preparation method of powder metallurgy locator |
| CN109628848A (en) * | 2018-12-28 | 2019-04-16 | 浙江江兴汽车检测设备有限公司 | A kind of Retarder dilval magnetic conductive board and preparation method thereof |
| CN111349374A (en) * | 2020-03-30 | 2020-06-30 | 滨海力天科技有限公司 | Coating for beer cap adhesive |
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| CN103556056B (en) | 2015-09-30 |
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