CN107557701A - A kind of production technology of automobile hydraulic support - Google Patents
A kind of production technology of automobile hydraulic support Download PDFInfo
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- CN107557701A CN107557701A CN201710783015.3A CN201710783015A CN107557701A CN 107557701 A CN107557701 A CN 107557701A CN 201710783015 A CN201710783015 A CN 201710783015A CN 107557701 A CN107557701 A CN 107557701A
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Abstract
The invention discloses a kind of production technology of automobile hydraulic support, a kind of automobile hydraulic support, include the raw materials of following parts by weight:12~22 parts of C, 12~20 parts of Cr, 5~15 parts of Ni, 8~15 parts of Mn, 3~8 parts of Cu, 8~14 parts of Si, 5~10 parts of S, 5~8 parts of Ti, 5~20 parts of Nb, 2~12 parts of Be, 2~8 parts of Ta, 2~8 parts of Zr, 2~8 parts of V, 2~8 parts of Ce, 1~2 part of rare earth, 300~400 parts of Fe, smelt, casting, by in the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, keep fusion temperature constant, continue 3~6h of melting, mixed in fusion process with 150~220r/min rotating speed, inert gas is passed through while stirring, it is well mixed to obtain iron liquid.Production technology of the present invention is reasonable, reasonable in design, and combination property is high, good corrosion resistance, is adapted to promote.
Description
Technical field
The present invention relates to automobile hydraulic support technology field, more particularly to a kind of production technology of automobile hydraulic support.
Background technology
With being growing more intense for auto parts machinery processing market competition, environmental protection concept is rooted in the hearts of the people, and technology is continuous
Upgrading and application, international automobile accessory process component industry show following Characteristics of Development in recent years:Auto parts machinery processing system
It is under unified central planning set, modularization supply trend it is in the ascendant;Auto parts machinery processes sourcing globalization;Auto parts machinery secondary industry transfer velocity
Accelerate.Basis of the auto parts and components as auto industry, it is the necessary factor for supporting auto industry sustainable and healthy development.Particularly
The independent development and innovation of vigorous, the like a raging fire development of current automotive industry, with greater need for a powerful parts
System supports.Vehicle independent brand needs parts to make basis with technological innovation, and the autonomous innovation of parts is produced to vehicle again
The development of industry produces powerful motive force, and they influence each other, interacted, without the independent brand of vehicle, powerful zero
The innovation ability of part system is difficult to burst out, and without the support of powerful parts system, independent brand does your writing good general hardly possible
Think after.
Wherein automobile hydraulic support belongs to the parts of automobile, and automobile hydraulic support is formed using steel alloy forging, existing
Steel alloy poor performance, corrosion-resistant, running car is on highway, and tail gas is very big to the corrosivity of support on highway, therefore,
The present invention proposes a kind of production technology of automobile hydraulic support, for solving the deficiencies in the prior art.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of automobile hydraulic support proposed
Production technology.
To achieve these goals, present invention employs following technical scheme:
A kind of automobile hydraulic support, include the raw material of following parts by weight:12~22 parts of C, 12~20 parts of Cr, 5~15 parts of Ni,
8~15 parts of Mn, 3~8 parts of Cu, 8~14 parts of Si, 5~10 parts of S, 5~8 parts of Ti, 5~20 parts of Nb, 2~12 parts of Be, Ta
2~8 parts, 2~8 parts of Zr, 2~8 parts of V, 2~8 parts of Ce, 1~2 part of rare earth, 300~400 parts of Fe.
Preferably, the raw material of following parts by weight is included:14~20 parts of C, 14~20 parts of Cr, 6~15 parts of Ni, Mn 9~
15 parts, 3~7.5 parts of Cu, 8~13.5 parts of Si, 5.5~10 parts of S, 5~8 parts of Ti, 5~18 parts of Nb, 2~11.5 parts of Be,
2~8 parts of Ta, 2~8 parts of Zr, 2~8 parts of V, 2~8 parts of Ce, 1~2 part of rare earth, 320~380 parts of Fe.
Preferably, the raw material of following parts by weight is included:16 parts of C, 16 parts of Cr, 10 parts of Ni, 12 parts of Mn, 5.5 parts of Cu,
11 parts of Si, 7.5 parts of S, 6.5 parts of Ti, 14 parts of Nb, 6 parts of Be, 5 parts of Ta, 5 parts of Zr, 5 parts of V, 5 parts of Ce, 1.5 parts of rare earth,
350 parts of Fe.
Preferably, the Fe is the pig iron.
A kind of production technology of automobile hydraulic support, comprises the following steps:
S1, smelt, casting, by the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, protect
It is constant to hold fusion temperature, continues 3~6h of melting, is mixed in fusion process with 150~220r/min rotating speed, while stirring
Mix side and be passed through inert gas, be well mixed to obtain iron liquid;
S2, C, Cr, Mn, Cu, Si, Ti of the proportion are added in step S1 in the iron liquid of gained, after high-temperature heating fusing,
Ni, S, Nb, Be, Ta, Zr, V, Ce of the percentage by weight are added, continues heating fusing, is eventually adding the weight percent
The rare earth of ratio, after heating fusing, alloy molten steel is obtained, it is mixed with 400~600r/min rotating speed stirring in whole heating fusion process
Close;
S3, the alloy molten steel of gained in step S2 is poured into the mould of hydraulic support, casting is cast into, by the casting of cast molding
Part carries out conducting forging processing after being heated to 710~1120 DEG C, temper, Quenching Treatment is carried out after being disposed, after being disposed
Casting is taken out, natural cooling produces.
Preferably, the additive for smelting in the step S1 is mixed by magnesia, silica, alundum (Al2O3), calcium oxide
Conjunction is made, and the emphasis percentage of each component is magnesia 18~32%, silica 1 8~32%, alundum (Al2O3) 18~32%, oxygen
Change calcium 18~32%, total weight percent 100%.
Preferably, the addition of the additive for smelting in the step S1 and Fe total amounts ratio are 0.07~0.11:1~10.
A kind of production technology of automobile hydraulic support proposed by the present invention, good combination property, meet wanting for auto-parts
Ask, there is good corrosion resistance and wearability, rust-preventing characteristic is good, hardness is high, and toughness and fragility are good, using Fe, C as base material, successively
Add other raw materials and be mixed and made into steel alloy, the production technology of proposition can make the performance more stable uniform of alloy steel material, raw
The casting yield of output is high, and production efficiency is high, and production cost is relatively low, and environment will not be polluted, and passes through adding for Ti
Enter, there is more preferable intensity, stronger thereby using the life-span, production technology of the present invention is reasonable, reasonable in design, and combination property is high, resistance to
Corrosivity is good, is adapted to promote.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.
Embodiment one
A kind of automobile hydraulic support proposed by the present invention, include the raw material of following parts by weight:14 parts of C, 14 parts of Cr, 7 parts of Ni,
10 parts of Mn, 4 parts of Cu, 10 parts of Si, 7 parts of S, 5 parts of Ti, 7 parts of Nb, 4 parts of Be, 4 parts of Ta, 4 parts of Zr, 4 parts of V, 4 parts of Ce,
1 part of rare earth, 320 parts of Fe.
A kind of production technology of automobile hydraulic support proposed by the present invention, comprises the following steps:
S1, smelt, casting, by the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, protect
It is constant to hold fusion temperature, continues melting 3.5h, is mixed with 160r/min rotating speed in fusion process, led to while stirring
Enter inert gas, be well mixed to obtain iron liquid;
S2, C, Cr, Mn, Cu, Si, Ti of the proportion are added in step S1 in the iron liquid of gained, after high-temperature heating fusing,
Ni, S, Nb, Be, Ta, Zr, V, Ce of the percentage by weight are added, continues heating fusing, is eventually adding the weight percent
The rare earth of ratio, after heating fusing, alloy molten steel is obtained, whole heat is stirred in fusion process with 420r/min rotating speed;
S3, the alloy molten steel of gained in step S2 is poured into the mould of hydraulic support, casting is cast into, by the casting of cast molding
Part carries out conducting forging processing after being heated to 750 DEG C, and temper, Quenching Treatment are carried out after being disposed, and casting is taken out after being disposed
Part, natural cooling produce.
Embodiment two
A kind of automobile hydraulic support proposed by the present invention, include the raw material of following parts by weight:15 parts of C, 15 parts of Cr, 9 parts of Ni,
11 parts of Mn, 4 parts of Cu, 10 parts of Si, 6 parts of S, 6 parts of Ti, 10 parts of Nb, 5 parts of Be, 5 parts of Ta, 5 parts of Zr, 5 parts of V, Ce 5
Part, 1.2 parts of rare earth, 330 parts of Fe.
A kind of production technology of automobile hydraulic support proposed by the present invention, comprises the following steps:
S1, smelt, casting, by the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, protect
It is constant to hold fusion temperature, continues melting 4h, is mixed with 175r/min rotating speed in fusion process, be passed through while stirring
Inert gas, it is well mixed to obtain iron liquid;
S2, C, Cr, Mn, Cu, Si, Ti of the proportion are added in step S1 in the iron liquid of gained, after high-temperature heating fusing,
Ni, S, Nb, Be, Ta, Zr, V, Ce of the percentage by weight are added, continues heating fusing, is eventually adding the weight percent
The rare earth of ratio, after heating fusing, alloy molten steel is obtained, whole heat is stirred in fusion process with 450r/min rotating speed;
S3, the alloy molten steel of gained in step S2 is poured into the mould of hydraulic support, casting is cast into, by the casting of cast molding
Part carries out conducting forging processing after being heated to 850 DEG C, and temper, Quenching Treatment are carried out after being disposed, and casting is taken out after being disposed
Part, natural cooling produce.
Embodiment three
A kind of automobile hydraulic support proposed by the present invention, include the raw material of following parts by weight:16 parts of C, 16 parts of Cr, 10 parts of Ni,
12 parts of Mn, 5.5 parts of Cu, 11 parts of Si, 7.5 parts of S, 6.5 parts of Ti, 14 parts of Nb, 6 parts of Be, 5 parts of Ta, 5 parts of Zr, 5 parts of V,
5 parts of Ce, 1.5 parts of rare earth, 350 parts of Fe.
A kind of production technology of automobile hydraulic support proposed by the present invention, comprises the following steps:
S1, smelt, casting, by the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, protect
It is constant to hold fusion temperature, continues melting 4.5h, is mixed with 180r/min rotating speed in fusion process, led to while stirring
Enter inert gas, be well mixed to obtain iron liquid;
S2, C, Cr, Mn, Cu, Si, Ti of the proportion are added in step S1 in the iron liquid of gained, after high-temperature heating fusing,
Ni, S, Nb, Be, Ta, Zr, V, Ce of the percentage by weight are added, continues heating fusing, is eventually adding the weight percent
The rare earth of ratio, after heating fusing, alloy molten steel is obtained, whole heat is stirred in fusion process with 500r/min rotating speed;
S3, the alloy molten steel of gained in step S2 is poured into the mould of hydraulic support, casting is cast into, by the casting of cast molding
Part carries out conducting forging processing after being heated to 850 DEG C, and temper, Quenching Treatment are carried out after being disposed, and casting is taken out after being disposed
Part, natural cooling produce.
Example IV
A kind of automobile hydraulic support proposed by the present invention, include the raw material of following parts by weight:17 parts of C, 17 parts of Cr, 12 parts of Ni,
12 parts of Mn, 6 parts of Cu, 11 parts of Si, 7 parts of S, 6.5 parts of Ti, 14 parts of Nb, 8 parts of Be, 5 parts of Ta, 6 parts of Zr, 6 parts of V, Ce 6
Part, 1.4 parts of rare earth, 360 parts of Fe.
A kind of production technology of automobile hydraulic support proposed by the present invention, comprises the following steps:
S1, smelt, casting, by the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, protect
It is constant to hold fusion temperature, continues melting 4.6h, is mixed with 185r/min rotating speed in fusion process, led to while stirring
Enter inert gas, be well mixed to obtain iron liquid;
S2, C, Cr, Mn, Cu, Si, Ti of the proportion are added in step S1 in the iron liquid of gained, after high-temperature heating fusing,
Ni, S, Nb, Be, Ta, Zr, V, Ce of the percentage by weight are added, continues heating fusing, is eventually adding the weight percent
The rare earth of ratio, after heating fusing, alloy molten steel is obtained, whole heat is stirred in fusion process with 520r/min rotating speed;
S3, the alloy molten steel of gained in step S2 is poured into the mould of hydraulic support, casting is cast into, by the casting of cast molding
Part carries out conducting forging processing after being heated to 910 DEG C, and temper, Quenching Treatment are carried out after being disposed, and casting is taken out after being disposed
Part, natural cooling produce.
Embodiment five
A kind of automobile hydraulic support proposed by the present invention, include the raw material of following parts by weight:20 parts of C, 19 parts of Cr, 13 parts of Ni,
14 parts of Mn, 7.2 parts of Cu, 12.5 parts of Si, 8.5 parts of S, 6.8 parts of Ti, 16 parts of Nb, 8.9 parts of Be, 6 parts of Ta, 6.5 parts of Zr,
6.5 parts of V, 6.5 parts of Ce, 1.6 parts of rare earth, 370 parts of Fe.
A kind of production technology of automobile hydraulic support proposed by the present invention, comprises the following steps:
S1, smelt, casting, by the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, protect
It is constant to hold fusion temperature, continues melting 5.2h, is mixed with 200r/min rotating speed in fusion process, led to while stirring
Enter inert gas, be well mixed to obtain iron liquid;
S2, C, Cr, Mn, Cu, Si, Ti of the proportion are added in step S1 in the iron liquid of gained, after high-temperature heating fusing,
Ni, S, Nb, Be, Ta, Zr, V, Ce of the percentage by weight are added, continues heating fusing, is eventually adding the weight percent
The rare earth of ratio, after heating fusing, alloy molten steel is obtained, whole heat is stirred in fusion process with 520r/min rotating speed;
S3, the alloy molten steel of gained in step S2 is poured into the mould of hydraulic support, casting is cast into, by the casting of cast molding
Part carries out conducting forging processing after being heated to 1000 DEG C, and temper, Quenching Treatment are carried out after being disposed, and casting is taken out after being disposed
Part, natural cooling produce.
The resistance to corrosion of the automobile hydraulic support prepared is tested in the embodiment of the present invention one~five respectively, and tests market
The automobile hydraulic support sold compares, and automobile hydraulic support is put into the aqueous solution that concentration is 20g/L, places ten days and obtain
Rate of corrosion, draw following parameter:
Good combination property of the present invention, meet the requirement of auto-parts, there is good corrosion resistance and wearability, rust-preventing characteristic
Good, hardness height, toughness and fragility are good, using Fe, C as base material, sequentially add other raw materials and are mixed and made into steel alloy, the production of proposition
Technique can make the performance more stable uniform of alloy steel material, and the casting yield produced is high, and production efficiency is high, production cost
It is relatively low, environment will not be polluted, by Ti addition, there is more preferable intensity, this hair stronger thereby using the life-span
Open-birth production. art is reasonable, reasonable in design, and combination property is high, good corrosion resistance, is adapted to promote.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
1. a kind of automobile hydraulic support, it is characterised in that include the raw material of following parts by weight:12~22 parts of C, Cr 12~20
Part, 5~15 parts of Ni, 8~15 parts of Mn, 3~8 parts of Cu, 8~14 parts of Si, 5~10 parts of S, 5~8 parts of Ti, 5~20 parts of Nb,
2~12 parts of Be, 2~8 parts of Ta, 2~8 parts of Zr, 2~8 parts of V, 2~8 parts of Ce, 1~2 part of rare earth, 300~400 parts of Fe.
2. a kind of automobile hydraulic support according to claim 1, it is characterised in that include the raw material of following parts by weight:C
14~20 parts, 14~20 parts of Cr, 6~15 parts of Ni, 9~15 parts of Mn, 3~7.5 parts of Cu, 8~13.5 parts of Si, S 5.5~10
Part, 5~8 parts of Ti, 5~18 parts of Nb, 2~11.5 parts of Be, 2~8 parts of Ta, 2~8 parts of Zr, 2~8 parts of V, 2~8 parts of Ce,
1~2 part of rare earth, 320~380 parts of Fe.
3. a kind of automobile hydraulic support according to claim 1, it is characterised in that include the raw material of following parts by weight:C
16 parts, 16 parts of Cr, 10 parts of Ni, 12 parts of Mn, 5.5 parts of Cu, 11 parts of Si, 7.5 parts of S, 6.5 parts of Ti, 14 parts of Nb, Be 6
Part, 5 parts of Ta, 5 parts of Zr, 5 parts of V, 5 parts of Ce, 1.5 parts of rare earth, 350 parts of Fe.
4. a kind of automobile hydraulic support according to claim 1, it is characterised in that the Fe is the pig iron.
5. a kind of production technology of automobile hydraulic support, it is characterised in that comprise the following steps:
S1, smelt, casting, by the Fe input smelting furnaces of the proportion, after high-temperature heating fusing, add additive for smelting, protect
It is constant to hold fusion temperature, continues 3~6h of melting, is mixed in fusion process with 150~220r/min rotating speed, while stirring
Mix side and be passed through inert gas, be well mixed to obtain iron liquid;
S2, C, Cr, Mn, Cu, Si, Ti of the proportion are added in step S1 in the iron liquid of gained, after high-temperature heating fusing,
Ni, S, Nb, Be, Ta, Zr, V, Ce of the percentage by weight are added, continues heating fusing, is eventually adding the weight percent
The rare earth of ratio, after heating fusing, alloy molten steel is obtained, it is mixed with 400~600r/min rotating speed stirring in whole heating fusion process
Close;
S3, the alloy molten steel of gained in step S2 is poured into the mould of hydraulic support, casting is cast into, by the casting of cast molding
Part carries out conducting forging processing after being heated to 710~1120 DEG C, temper, Quenching Treatment is carried out after being disposed, after being disposed
Casting is taken out, natural cooling produces.
6. the production technology of a kind of automobile hydraulic support according to claim 5, it is characterised in that in the step S1
Additive for smelting is mixed by magnesia, silica, alundum (Al2O3), calcium oxide, and the emphasis percentage of each component is oxygen
Change magnesium 18~32%, silica 1 8~32%, alundum (Al2O3) 18~32%, calcium oxide 18~32%, total weight percent is
100%。
7. the production technology of a kind of automobile hydraulic support according to claim 5, it is characterised in that in the step S1
The addition of additive for smelting is 0.07~0.11 with Fe total amounts ratio:1~10.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111876683A (en) * | 2020-07-31 | 2020-11-03 | 东北大学 | 1000MPa high-toughness steel for coal mine hydraulic support and preparation method thereof |
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JP2017052994A (en) * | 2015-09-08 | 2017-03-16 | 住友金属鉱山株式会社 | Smelting method of nickel oxide ore |
CN106566988A (en) * | 2016-10-18 | 2017-04-19 | 滁州市大工机电有限公司 | Alloy steel material for anti-corrosion pump valve and preparation method thereof |
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2017
- 2017-09-03 CN CN201710783015.3A patent/CN107557701A/en active Pending
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JP2017052994A (en) * | 2015-09-08 | 2017-03-16 | 住友金属鉱山株式会社 | Smelting method of nickel oxide ore |
CN106566988A (en) * | 2016-10-18 | 2017-04-19 | 滁州市大工机电有限公司 | Alloy steel material for anti-corrosion pump valve and preparation method thereof |
Non-Patent Citations (1)
Title |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111876683A (en) * | 2020-07-31 | 2020-11-03 | 东北大学 | 1000MPa high-toughness steel for coal mine hydraulic support and preparation method thereof |
CN111876683B (en) * | 2020-07-31 | 2021-07-06 | 东北大学 | 1000MPa high-toughness steel for coal mine hydraulic support and preparation method thereof |
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