CN104060183B - A kind of oscillating arm bracket and production method thereof - Google Patents

A kind of oscillating arm bracket and production method thereof Download PDF

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Publication number
CN104060183B
CN104060183B CN201410234858.4A CN201410234858A CN104060183B CN 104060183 B CN104060183 B CN 104060183B CN 201410234858 A CN201410234858 A CN 201410234858A CN 104060183 B CN104060183 B CN 104060183B
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oscillating arm
arm bracket
production
sand mold
mass percent
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CN104060183A (en
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余昌国
李红杰
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Anhui Hongqiao Metal Manufacturing Co Ltd
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Anhui Hongqiao Metal Manufacturing Co Ltd
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Abstract

The present invention discloses a kind of oscillating arm bracket and production method thereof, being made up of following composition and mass percent thereof: C:2.2%-2.4%, Si:1.6%-1.8%, Mn:0.2%-0.4%, AL:1.4%-1.6%, Cr:1.6%-1.8%, Cu:0.2%-0.4%, Ba:1.2%-1.4%, V:1.4%-1.6%, P��0.08%, S��0.08%, surplus is Fe. The present invention is by reasonably changing each composition proportion of oscillating arm bracket, it is provided that reasonably production method, and the finished product of production has higher toughness, wear resistance, and intensity height, it is possible to reduces overall weight, provides cost savings.

Description

A kind of oscillating arm bracket and production method thereof
Technical field
The present invention relates to automobile oscillating arm bracket technical field, it is specifically related to a kind of oscillating arm bracket and production method thereof.
Background technology
Swing arm for vehicle is the important parts of automobile suspension system, automotive suspension is analyzed structure, be again a kind of complex-shaped strange shape, product technology content height, manufacturing technology difficulty big, under 1,000,000 big load impactings, safe reliability reaches under absolutely requiring situation, physical strength, flexural deformation, antidetonation, wear-resisting automobile component. Existing oscillating arm bracket also also exists the deficiencies such as powerful, toughness inadequate, and wear resistance is not enough, production method is unreasonable.
Summary of the invention
For the problems referred to above, the present invention provides a kind of oscillating arm bracket and production method thereof, has good toughness, wear resistance, intensity advantages of higher.
In order to solve the problem, technical scheme provided by the invention is:
A kind of oscillating arm bracket, being made up of following composition and mass percent thereof: C:2.2%-2.4%, Si:1.6%-1.8%, Mn:0.2%-0.4%, AL:1.4% 1.6%, Cr:1.6%-1.8%, Cu:0.2% 0.4%, Ba:1.2%-1.4%, V:1.4% 1.6%, P��0.08%, S��0.08%, surplus is Fe.
Preferably, being made up of following composition and mass percent thereof: C:2.24%-2.4%, Si:1.65%-1.8%, Mn:0.26%-0.4%, AL:1.44% 1.6%, Cr:1.6%-1.7%, Cu:0.28% 0.4%, Ba:1.2%-1.4%, V:1.45% 1.6%, P��0.08%, S��0.08%, surplus is Fe.
Preferably, being made up of following composition and mass percent thereof: C:2.28%, Si:1.76%, Mn:0.32%, AL:1.46%, Cr:1.64%, Cu:0.34%, Ba:1.26%, V:1.54%, P:0.08%, S:0.07%, surplus is Fe.
The production method of described oscillating arm bracket, comprises the following steps:
(1) sand mold is prepared;
(2) proportioning raw material, melting in electric furnace, temperature is 1,560 1590 DEG C;
(3) add silicon titanate innoculant and carry out inoculation;
(4) pour into a mould;
(5) cool;
(6) heat 3.4 3.8 hours at 900 950 DEG C, then heat 1.6 2 hours at 330 360 DEG C;
(7) it is cooled to room temperature;
(8) Shot Blasting;
(9) surface deburring, grinding process.
Preferably, described sand mold is made up of casting model powder, furane resin and solidifying agent.
Preferably, the mixed solution of Graphite Powder 99 and alcohol smeared by described sand mold on its surface after making, the mass percent of described Graphite Powder 99 is: 40 48%, sintering of then lighting a fire. Igniting sintering allows mould surface is more smooth, refinement, it is to increase surface smoothness. Sand mold is reused after using after vibrating life, vibration boiling cooler fragmentation, process again, decreases waste, provides cost savings.
Preferably, with sand mold described in gas purging after igniting sintering.
Preferably, divide and breed for twice, once breed for adding granularity 1 2.5mm during melting, the described silicon titanate innoculant of 54%; Breed for two times and add granularity 0.2 0.4mm with stream, the described silicon titanate innoculant of 46% when being and pour into a mould. Nucleating agent can reduce chilling tendency, crystal grain thinning, improves graphite form except can obtaining higher and mechanical property, also has the stronger anti-ageing ability of moving back.
Preferably, the temperature of described cast is 1,440 1480 DEG C.
Cu: hardening capacity can be improved, thinning microstructure.
Mn: be sweetening agent, reductor, it is possible to improve the flowing property of electrosmelting, it is possible to improve the wear resisting property of foundry goods.
V: energy crystal grain thinning, it is to increase matrix strength and impelling strength.
Cr: can strengthen matrix, it is to increase wear resistance, erosion resistance, does not reduce impact toughness while improving hardness and intensity.
Ba: be strong reductor, it is possible to capture the oxygen in other metal oxide, generates more firm compound and swims in iron liquid surface, not only purifying molten iron but also protect iron liquid from oxidation.
The effect of silicon titanate innoculant: one, crystal grain thinning, reduces segregation, uniform formation; Two, promote greying, reduce chilling tendency; Three, improve matrix, the form of graphite and distribution, improve mechanical property; Four, mechanical strength is improved, adjustment hardness; Five, foundry goods internal stress and sectional sensitivity is reduced.
Nucleating agent to breed the reaction times very fast, within about 80 seconds, just can reach the state of breeding, then fail gradually, original state is arrived in decline in about 14 16 minutes. So the time of cast should control to be no more than 10 minutes.
After nucleating agent fragmentation, forming certain particle size particle, surface-area increases, and under high temperature, oxidation rate is accelerated. , it should start to add when iron liquid overflows and waters the bag end, therefore last till that iron liquid rises to and water three places that Bao Yuesi divides and terminate, avoid nucleating agent watering bag internal oxidition and reduce pregnant effect.
Compared with prior art, the useful effect of the present invention is:
The present invention is by reasonably changing each composition proportion of oscillating arm bracket, it is provided that reasonably production method, and the finished product of production has higher toughness, wear resistance, and intensity height, it is possible to reduces overall weight, provides cost savings.
Embodiment
The present invention will be further described below:
Embodiment 1:
A kind of oscillating arm bracket, being made up of following composition and mass percent thereof: C:2.28%, Si:1.76%, Mn:0.32%, AL:1.46%, Cr:1.64%, Cu:0.34%, Ba:1.26%, V:1.54%, P:0.08%, S:0.07%, surplus is Fe.
The production method of oscillating arm bracket, comprises the following steps:
(1) sand mold is prepared, sand mold is made up of casting model powder, furane resin and solidifying agent, the mixed solution of Graphite Powder 99 and alcohol smeared by sand mold on its surface after making, then light a fire sintering, gas purging sand mold is used after igniting sintering, Graphite Powder 99 igniting sintering allows mould surface is more smooth, refinement, it is to increase surface smoothness. Sand mold is reused after using after vibrating life, vibration boiling cooler fragmentation, process again, decreases waste, provides cost savings;
(2) proportioning raw material, melting in electric furnace, temperature is 1575 DEG C;
(3) add silicon titanate innoculant and carry out inoculation, divide and breed for twice, once breed for adding granularity 1 2.5mm during melting, the silicon titanate innoculant of 54%; Breed for two times and add granularity 0.2 0.4mm with stream, the silicon titanate innoculant of 46% when being and pour into a mould. Nucleating agent can reduce chilling tendency, crystal grain thinning, improves graphite form except can obtaining higher and mechanical property, also has the stronger anti-ageing ability of moving back;
(4) pouring into a mould, the temperature of cast is 1460 DEG C;
(5) cool;
(6) heat 3.6 hours at 920 DEG C, then heat 1.8 hours at 340 DEG C;
(7) it is cooled to room temperature;
(8) Shot Blasting;
(9) surface deburring, grinding process.
Cu: hardening capacity can be improved, thinning microstructure.
Mn: be sweetening agent, reductor, it is possible to improve the flowing property of electrosmelting, it is possible to improve the wear resisting property of foundry goods.
V: energy crystal grain thinning, it is to increase matrix strength and impelling strength.
Cr: can strengthen matrix, it is to increase wear resistance, erosion resistance, does not reduce impact toughness while improving hardness and intensity.
Ba: be strong reductor, it is possible to capture the oxygen in other metal oxide, generates more firm compound and swims in iron liquid surface, not only purifying molten iron but also protect iron liquid from oxidation.
The effect of silicon titanate innoculant: one, crystal grain thinning, reduces segregation, uniform formation; Two, promote greying, reduce chilling tendency; Three, improve matrix, the form of graphite and distribution, improve mechanical property; Four, mechanical strength is improved, adjustment hardness; Five, foundry goods internal stress and sectional sensitivity is reduced.
Nucleating agent to breed the reaction times very fast, within about 80 seconds, just can reach the state of breeding, then fail gradually, original state is arrived in decline in about 14 16 minutes. So the time of cast should control to be no more than 10 minutes.
After nucleating agent fragmentation, forming certain particle size particle, surface-area increases, and under high temperature, oxidation rate is accelerated. , it should start to add when iron liquid overflows and waters the bag end, therefore last till that iron liquid rises to and water three places that Bao Yuesi divides and terminate, avoid nucleating agent watering bag internal oxidition and reduce pregnant effect.
Embodiment 2:
A kind of oscillating arm bracket, is made up of following composition and mass percent thereof: C:2.2%, Si:1.6%, Mn:0.2%, AL:1.4%, Cr:1.6%, Cu:0.2%, Ba:1.2%, V:1.4%, P:0.08%, S:0.08%, and surplus is Fe.
The production method of oscillating arm bracket, comprises the following steps:
(1) sand mold is prepared, sand mold is made up of casting model powder, furane resin and solidifying agent, the mixed solution of Graphite Powder 99 and alcohol smeared by sand mold on its surface after making, then light a fire sintering, gas purging sand mold is used after igniting sintering, Graphite Powder 99 igniting sintering allows mould surface is more smooth, refinement, it is to increase surface smoothness. Sand mold is reused after using after vibrating life, vibration boiling cooler fragmentation, process again, decreases waste, provides cost savings;
(2) proportioning raw material, melting in electric furnace, temperature is 1590 DEG C;
(3) add silicon titanate innoculant and carry out inoculation, divide and breed for twice, once breed for adding granularity 1 2.5mm during melting, the silicon titanate innoculant of 54%; Breed for two times and add granularity 0.2 0.4mm with stream, the silicon titanate innoculant of 46% when being and pour into a mould. Nucleating agent can reduce chilling tendency, crystal grain thinning, improves graphite form except can obtaining higher and mechanical property, also has the stronger anti-ageing ability of moving back;
(4) pouring into a mould, the temperature of cast is 1440 DEG C;
(5) cool;
(6) heat 3.4 hours at 950 DEG C, then heat 1.6 hours at 360 DEG C;
(7) it is cooled to room temperature;
(8) Shot Blasting;
(9) surface deburring, grinding process.
Embodiment 3:
A kind of oscillating arm bracket, being made up of following composition and mass percent thereof: C:2.4%, Si:1.8%, Mn:0.4%, AL:1.4%, Cr:11.8%, Cu:0.2%, Ba:1.4%, V:1.4%, P:0.06%, S:0.07%, surplus is Fe.
The production method of oscillating arm bracket, comprises the following steps:
(1) sand mold is prepared, sand mold is made up of casting model powder, furane resin and solidifying agent, the mixed solution of Graphite Powder 99 and alcohol smeared by sand mold on its surface after making, then light a fire sintering, gas purging sand mold is used after igniting sintering, Graphite Powder 99 igniting sintering allows mould surface is more smooth, refinement, it is to increase surface smoothness. Sand mold is reused after using after vibrating life, vibration boiling cooler fragmentation, process again, decreases waste, provides cost savings;
(2) proportioning raw material, melting in electric furnace, temperature is 1560 DEG C;
(3) add silicon titanate innoculant and carry out inoculation, divide and breed for twice, once breed for adding granularity 1 2.5mm during melting, the silicon titanate innoculant of 54%; Breed for two times and add granularity 0.2 0.4mm with stream, the silicon titanate innoculant of 46% when being and pour into a mould. Nucleating agent can reduce chilling tendency, crystal grain thinning, improves graphite form except can obtaining higher and mechanical property, also has the stronger anti-ageing ability of moving back;
(4) pouring into a mould, the temperature of cast is 1480 DEG C;
(5) cool;
(6) heat 3.8 hours at 900 DEG C, then heat 2 hours at 330 DEG C;
(7) it is cooled to room temperature;
(8) Shot Blasting;
(9) surface deburring, grinding process.
Embodiment 4:
A kind of oscillating arm bracket, being made up of following composition and mass percent thereof: C:2.2%, Si:1.6%-, Mn:0.2%, AL:1.6%, Cr:1.8%, Cu:0.4%, Ba:1.2%, V:1.6%, P:0.08%, S:0.06%, surplus is Fe.
The production method of oscillating arm bracket, comprises the following steps:
(1) sand mold is prepared, sand mold is made up of casting model powder, furane resin and solidifying agent, the mixed solution of Graphite Powder 99 and alcohol smeared by sand mold on its surface after making, then light a fire sintering, gas purging sand mold is used after igniting sintering, Graphite Powder 99 igniting sintering allows mould surface is more smooth, refinement, it is to increase surface smoothness. Sand mold is reused after using after vibrating life, vibration boiling cooler fragmentation, process again, decreases waste, provides cost savings;
(2) proportioning raw material, melting in electric furnace, temperature is 1580 DEG C;
(3) add silicon titanate innoculant and carry out inoculation, divide and breed for twice, once breed for adding granularity 1 2.5mm during melting, the silicon titanate innoculant of 54%; Breed for two times and add granularity 0.2 0.4mm with stream, the silicon titanate innoculant of 46% when being and pour into a mould. Nucleating agent can reduce chilling tendency, crystal grain thinning, improves graphite form except can obtaining higher and mechanical property, also has the stronger anti-ageing ability of moving back;
(4) pouring into a mould, the temperature of cast is 1470 DEG C;
(5) cool;
(6) heat 3.7 hours at 910 DEG C, then heat 1.9 hours at 340 DEG C;
(7) it is cooled to room temperature;
(8) Shot Blasting;
(9) surface deburring, grinding process.
Embodiment 5:
A kind of oscillating arm bracket, is made up of following composition and mass percent thereof: C:2.2%, Si:1.7%, Mn:0.2%, AL:1.4%, Cr:1.6%, Cu:0.4%, Ba:1.4%, V:1.6%, P:0.06%, S:0.08%, and surplus is Fe.
The production method of oscillating arm bracket, comprises the following steps:
(1) sand mold is prepared, sand mold is made up of casting model powder, furane resin and solidifying agent, the mixed solution of Graphite Powder 99 and alcohol smeared by sand mold on its surface after making, then light a fire sintering, gas purging sand mold is used after igniting sintering, Graphite Powder 99 igniting sintering allows mould surface is more smooth, refinement, it is to increase surface smoothness. Sand mold is reused after using after vibrating life, vibration boiling cooler fragmentation, process again, decreases waste, provides cost savings;
(2) proportioning raw material, melting in electric furnace, temperature is 1585 DEG C;
(3) add silicon titanate innoculant and carry out inoculation, divide and breed for twice, once breed for adding granularity 1 2.5mm during melting, the silicon titanate innoculant of 54%; Breed for two times and add granularity 0.2 0.4mm with stream, the silicon titanate innoculant of 46% when being and pour into a mould. Nucleating agent can reduce chilling tendency, crystal grain thinning, improves graphite form except can obtaining higher and mechanical property, also has the stronger anti-ageing ability of moving back;
(4) pouring into a mould, the temperature of cast is 1450 DEG C;
(5) cool;
(6) heat 3.6 hours at 940 DEG C, then heat 1.7 hours at 350 DEG C;
(7) it is cooled to room temperature;
(8) Shot Blasting;
(9) surface deburring, grinding process.
More than show and describe the ultimate principle of the present invention, the advantage of main characteristic sum the present invention. The technician of the industry should understand; the present invention is not restricted to the described embodiments; the principle that the present invention is just described described in above-described embodiment and specification sheets; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention. The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (4)

1. the production method of an oscillating arm bracket, it is characterised in that: comprise the following steps:
(1) sand mold is prepared; Described sand mold is made up of casting model powder, furane resin and solidifying agent, and the mixed solution of Graphite Powder 99 and alcohol smeared by sand mold on its surface after making, the mass percent of described Graphite Powder 99 is: 40 48%, sintering of then lighting a fire, with sand mold described in gas purging after igniting sintering;
(2) proportioning raw material, described oscillating arm bracket, being made up of following composition and mass percent thereof: C:2.2%-2.4%, Si:1.6%-1.8%, Mn:0.2%-0.4%, AL:1.4% 1.6%, Cr:1.6%-1.8%, Cu:0.2% 0.4%, Ba:1.2%-1.4%, V:1.4% 1.6%, P��0.08%, S��0.08%, surplus is Fe; Melting in electric furnace, temperature is 1,560 1590 DEG C;
(3) add silicon titanate innoculant and carry out inoculation; Described inoculation is divided and is bred for twice, once breeds for adding granularity 1 2.5mm during melting, the described silicon titanate innoculant of 54%; Breed for two times and add granularity 0.2 0.4mm with stream, the described silicon titanate innoculant of 46% when being and pour into a mould;
(4) pour into a mould;
(5) cool;
(6) heat 3.4 3.8 hours at 900 950 DEG C, then heat 1.6 2 hours at 330 360 DEG C;
(7) it is cooled to room temperature;
(8) Shot Blasting;
(9) surface deburring, grinding process.
2. the production method of oscillating arm bracket according to claim 1, it is characterised in that: the temperature of described cast is 1,440 1480 DEG C.
3. the production method of oscillating arm bracket according to claim 1, it is characterized in that: described oscillating arm bracket is made up of following composition and mass percent thereof: C:2.24%-2.4%, Si:1.65%-1.8%, Mn:0.26%-0.4%, AL:1.44% 1.6%, Cr:1.6%-1.7%, Cu:0.28% 0.4%, Ba:1.2%-1.4%, V:1.45% 1.6%, P��0.08%, S��0.08%, surplus is Fe.
4. the production method of oscillating arm bracket according to claim 3, it is characterized in that: described oscillating arm bracket, being made up of following composition and mass percent thereof: C:2.28%, Si:1.76%, Mn:0.32%, AL:1.46%, Cr:1.64%, Cu:0.34%, Ba:1.26%, V:1.54%, P:0.08%, S:0.07%, surplus is Fe.
CN201410234858.4A 2014-05-29 2014-05-29 A kind of oscillating arm bracket and production method thereof Active CN104060183B (en)

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CN105970084B (en) * 2016-06-02 2017-08-04 安徽威龙电力器材有限公司 A kind of strain clamp and preparation method thereof
CN108149115A (en) * 2016-12-05 2018-06-12 宜兴市零零七机械科技有限公司 A kind of swing arm material of electronic product
CN108149078A (en) * 2016-12-05 2018-06-12 宜兴市零零七机械科技有限公司 A kind of swing arm material of improved electronic product
CN109930098A (en) * 2017-12-19 2019-06-25 宜兴安纳西智能机械设备有限公司 A kind of feed device swing arm material

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JPH0450376B2 (en) * 1984-07-13 1992-08-14 Kubota Kk
DE19654893C2 (en) * 1996-07-25 1999-06-10 Federal Mogul Burscheid Gmbh Piston rings of internal combustion engines made of a cast iron alloy
DE19720779C1 (en) * 1997-05-17 1998-10-01 Ae Goetze Gmbh Cast iron piston ring
CN100465320C (en) * 2007-07-20 2009-03-04 山东滨州渤海活塞股份有限公司 Nitrogen contained austenitic cast iron in use for beset ring of piston

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