CN105908008A - Ship propeller high-strength casting material and casting process thereof - Google Patents
Ship propeller high-strength casting material and casting process thereof Download PDFInfo
- Publication number
- CN105908008A CN105908008A CN201610469141.7A CN201610469141A CN105908008A CN 105908008 A CN105908008 A CN 105908008A CN 201610469141 A CN201610469141 A CN 201610469141A CN 105908008 A CN105908008 A CN 105908008A
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- CN
- China
- Prior art keywords
- casting material
- ferrum
- propeller high
- carbon
- marine propeller
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
Abstract
The invention discloses a ship propeller high-strength casting material and a casting process thereof. The ship propeller high-strength casting material comprises the following formulas in percentage: 0.1-0.3% of carbon, 15-17% of chromium, 0.05-0.15% of silicon, 1-3% of manganese, 4-6% of nickel, 0.4-0.8% of molybdenum, 0.6-0.8% of tin, 0.3-0.5% of zinc, 3-5% of iron, and the balance of copper. The ship propeller high-strength casting material and the casting process thereof, provided by the invention, improve the internal structure form of the propeller material through methods of optimizing a smelting process and adding refining metamorphic materials, and guarantee the mechanical performance of the material to be in a higher level.
Description
Technical field
The invention belongs to Propeller technology field, more specifically, particularly relate to a kind of marine propeller high-strength casting material.Meanwhile, the invention still further relates to the casting technique of a kind of marine propeller high-strength casting material.
Background technology
The production of conventional ship ship propeller can not be completely secured the requirement of its material mechanical performance, often occurs the situation of secondary verification because mechanical property is defective in propeller checking procedure, interferes both to enterprise's daily production activity, cost of idleness again.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and the marine propeller high-strength casting material proposed and casting technique thereof.
For achieving the above object, the present invention provides following technical scheme: a kind of marine propeller high-strength casting material, and the percentage composition formula of described marine propeller high-strength casting material is as follows: carbon 0.1%-0.3%, chromium 15%-17%, silicon 0.05%-0.15%, manganese 1%-3%, nickel 4%-6%, molybdenum 0.4%-0.8%, stannum 0.6%-0.8%, zinc 0.3%-0.5%, ferrum 3%-5%, remaining content is copper.
Preferably, in its percentage composition, the weight ratio of carbon and ferrum is 0.15-0.25:3.5-4.5.
Preferably, its component includes by weight percentage: carbon 0.14%-0.28%, chromium 16%-16.5%, silicon 0.08%-0.13%, manganese 1.5%-2.5%, nickel 4.8%-5.6%, molybdenum 0.49%-0.68%, stannum 0.63%-0.78%, zinc 0.35%-0.45%, ferrum 3.5%-4.5%, remaining content is copper.
The present invention also provides for the casting technique of a kind of marine propeller high-strength casting material, comprises the steps:
S1, cleaning: clean the medium-frequency induction furnace used, objectionable impurities must not be brought into, after cleaning and dry up.
S2, preheating: to preheat medium-frequency induction furnace before blanking, preheating temperature is higher than 150 degrees Celsius.
S3, material prepare: being weighed by each component material needed, proportioning is qualified, add according to weight ratio, and add the refining agent of 0.5%-0.8%.
S4, melting: add material into melting in medium-frequency induction furnace, smelting temperature controls at 1100 DEG C-1300 DEG C, and adds the trace rare-earth element of certain weight ratio in fusion process, sequentially adds carbon, chromium, silicon, manganese, nickel, molybdenum, stannum, zinc and ferrum.
S5, cast molding: mold clean totally and is preheated to 500 DEG C, cast by the way of solidification recrystallization, solidification recrystallization can the interior tissue form of optimized alloy matrix, process of setting is effectively improved degree of supercooling, reach the purpose of crystal grain thinning, improve the mechanical property of material with this.
S6, cooling process: mould cooling processed, make temperature be less than mold clearing temperature, test and grinding process after depanning again.
The technique effect of the present invention and advantage: a kind of marine propeller high-strength casting material of present invention offer and casting technique thereof, by optimizing melting production technology, the method adding refinement and denaturation material improves propeller material interior tissue form, it is ensured that material mechanical performance is in higher level.
Detailed description of the invention
It is clearly and completely described below in conjunction with the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
A kind of marine propeller high-strength casting material, the percentage composition formula of described marine propeller high-strength casting material is as follows: carbon 0.1%, chromium 15%, silicon 0.05%, manganese 1%, nickel 4%, molybdenum 0.4%, stannum 0.6%, zinc 0.3%, ferrum 3%, and remaining content is copper.
Preferably, in its percentage composition, the weight ratio of carbon and ferrum is 0.15-0.25:3.5-4.5.
Preferably, its component includes by weight percentage: carbon 0.14%-0.28%, chromium 16%-16.5%, silicon 0.08%-0.13%, manganese 1.5%-2.5%, nickel 4.8%-5.6%, molybdenum 0.49%-0.68%, stannum 0.63%-0.78%, zinc 0.35%-0.45%, ferrum 3.5%-4.5%, remaining content is copper.
The casting technique of a kind of marine propeller high-strength casting material that the present invention also provides for, comprises the steps:
S1, cleaning: clean the medium-frequency induction furnace used, objectionable impurities must not be brought into, after cleaning and dry up.
S2, preheating: to preheat medium-frequency induction furnace before blanking, preheating temperature is higher than 150 degrees Celsius.
S3, material prepare: being weighed by each component material needed, proportioning is qualified, add according to weight ratio, and add the refining agent of 0.5%-0.8%.
S4, melting: add material into melting in medium-frequency induction furnace, smelting temperature controls at 1100 DEG C-1300 DEG C, and adds the trace rare-earth element of certain weight ratio in fusion process, sequentially adds carbon, chromium, silicon, manganese, nickel, molybdenum, stannum, zinc and ferrum.
S5, cast molding: mold clean totally and is preheated to 500 DEG C, cast by the way of solidification recrystallization, solidification recrystallization can the interior tissue form of optimized alloy matrix, process of setting is effectively improved degree of supercooling, reach the purpose of crystal grain thinning, improve the mechanical property of material with this.
S6, cooling process: mould cooling processed, make temperature be less than mold clearing temperature, test and grinding process after depanning again.
Embodiment 2
A kind of marine propeller high-strength casting material, the percentage composition formula of described marine propeller high-strength casting material is as follows: carbon 0.15%, chromium 16%, silicon 0.1%, manganese 2%, nickel 5%, molybdenum 0.55%, stannum 0.7%, zinc 0.4%, ferrum 4%, and remaining content is copper.
Preferably, in its percentage composition, the weight ratio of carbon and ferrum is 0.15-0.25:3.5-4.5.
Preferably, its component includes by weight percentage: carbon 0.14%-0.28%, chromium 16%-16.5%, silicon 0.08%-0.13%, manganese 1.5%-2.5%, nickel 4.8%-5.6%, molybdenum 0.49%-0.68%, stannum 0.63%-0.78%, zinc 0.35%-0.45%, ferrum 3.5%-4.5%, remaining content is copper.
The casting technique of a kind of marine propeller high-strength casting material that the present invention also provides for, comprises the steps:
S1, cleaning: clean the medium-frequency induction furnace used, objectionable impurities must not be brought into, after cleaning and dry up.
S2, preheating: to preheat medium-frequency induction furnace before blanking, preheating temperature is higher than 150 degrees Celsius.
S3, material prepare: being weighed by each component material needed, proportioning is qualified, add according to weight ratio, and add the refining agent of 0.5%-0.8%.
S4, melting: add material into melting in medium-frequency induction furnace, smelting temperature controls at 1100 DEG C-1300 DEG C, and adds the trace rare-earth element of certain weight ratio in fusion process, sequentially adds carbon, chromium, silicon, manganese, nickel, molybdenum, stannum, zinc and ferrum.
S5, cast molding: mold clean totally and is preheated to 500 DEG C, cast by the way of solidification recrystallization, solidification recrystallization can the interior tissue form of optimized alloy matrix, process of setting is effectively improved degree of supercooling, reach the purpose of crystal grain thinning, improve the mechanical property of material with this.
S6, cooling process: mould cooling processed, make temperature be less than mold clearing temperature, test and grinding process after depanning again.
Embodiment 3
A kind of marine propeller high-strength casting material, the percentage composition formula of described marine propeller high-strength casting material is as follows: carbon 0.3%, chromium 17%, silicon 0.15%, manganese 3%, nickel 6%, molybdenum 0.8%, stannum 0.8%, zinc 0.5%, ferrum 5%, and remaining content is copper.
Preferably, in its percentage composition, the weight ratio of carbon and ferrum is 0.15-0.25:3.5-4.5.
Preferably, its component includes by weight percentage: carbon 0.14%-0.28%, chromium 16%-16.5%, silicon 0.08%-0.13%, manganese 1.5%-2.5%, nickel 4.8%-5.6%, molybdenum 0.49%-0.68%, stannum 0.63%-0.78%, zinc 0.35%-0.45%, ferrum 3.5%-4.5%, remaining content is copper.
The casting technique of a kind of marine propeller high-strength casting material that the present invention also provides for, comprises the steps:
S1, cleaning: clean the medium-frequency induction furnace used, objectionable impurities must not be brought into, after cleaning and dry up.
S2, preheating: to preheat medium-frequency induction furnace before blanking, preheating temperature is higher than 150 degrees Celsius.
S3, material prepare: being weighed by each component material needed, proportioning is qualified, add according to weight ratio, and add the refining agent of 0.5%-0.8%.
S4, melting: add material into melting in medium-frequency induction furnace, smelting temperature controls at 1100 DEG C-1300 DEG C, and adds the trace rare-earth element of certain weight ratio in fusion process, sequentially adds carbon, chromium, silicon, manganese, nickel, molybdenum, stannum, zinc and ferrum.
S5, cast molding: mold clean totally and is preheated to 500 DEG C, cast by the way of solidification recrystallization, solidification recrystallization can the interior tissue form of optimized alloy matrix, process of setting is effectively improved degree of supercooling, reach the purpose of crystal grain thinning, improve the mechanical property of material with this.
S6, cooling process: mould cooling processed, make temperature be less than mold clearing temperature, test and grinding process after depanning again.
In sum: a kind of marine propeller high-strength casting material of present invention offer and casting technique thereof, compared with conventional ship ship propeller, the present invention is by optimizing melting production technology, the method adding refinement and denaturation material improves propeller material interior tissue form, ensure that material mechanical performance is in higher level, by the way of solidification recrystallization, the interior tissue form of optimized alloy matrix, degree of supercooling it is effectively improved in process of setting, reach the purpose of crystal grain thinning, the mechanical property of material is improved with this, ensure that product structure property meets ship rule requirement, and it is effectively improved production efficiency, reduce production cost.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; it is not limited to the present invention; although the present invention being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent; all within the spirit and principles in the present invention; the any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (4)
1. a marine propeller high-strength casting material, it is characterized in that: the percentage composition formula of described marine propeller high-strength casting material is as follows: carbon 0.1%-0.3%, chromium 15%-17%, silicon 0.05%-0.15%, manganese 1%-3%, nickel 4%-6%, molybdenum 0.4%-0.8%, stannum 0.6%-0.8%, zinc 0.3%-0.5%, ferrum 3%-5%, remaining content is copper.
Marine propeller high-strength casting material the most according to claim 1, it is characterised in that: in its percentage composition, the weight ratio of carbon and ferrum is 0.15-0.25:3.5-4.5.
Marine propeller high-strength casting material the most according to claim 1, it is characterized in that: its component includes by weight percentage: carbon 0.14%-0.28%, chromium 16%-16.5%, silicon 0.08%-0.13%, manganese 1.5%-2.5%, nickel 4.8%-5.6%, molybdenum 0.49%-0.68%, stannum 0.63%-0.78%, zinc 0.35%-0.45%, ferrum 3.5%-4.5%, remaining content is copper.
4. the marine propeller high-strength casting material described in a claim 1 and casting technique thereof, it is characterised in that: comprise the steps:
S1, cleaning: clean the medium-frequency induction furnace used, objectionable impurities must not be brought into, after cleaning and dry up；
S2, preheating: to preheat medium-frequency induction furnace before blanking, preheating temperature is higher than 150 degrees Celsius；
S3, material prepare: being weighed by each component material needed, proportioning is qualified, and add according to weight ratio；
S4, melting: add material into melting in medium-frequency induction furnace, smelting temperature controls at 1100 DEG C-1300 DEG C, and adds the trace rare-earth element of certain weight ratio in fusion process, sequentially adds carbon, chromium, silicon, manganese, nickel, molybdenum, stannum, zinc and ferrum；
S5, cast molding: mold clean totally and is preheated to 500 DEG C, cast by the way of solidification recrystallization, solidification recrystallization can the interior tissue form of optimized alloy matrix, process of setting is effectively improved degree of supercooling, reach the purpose of crystal grain thinning, improve the mechanical property of material with this；
S6, cooling process: mould cooling processed, make temperature be less than mold clearing temperature, test and grinding process after depanning again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610469141.7A CN105908008A (en) | 2016-06-25 | 2016-06-25 | Ship propeller high-strength casting material and casting process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610469141.7A CN105908008A (en) | 2016-06-25 | 2016-06-25 | Ship propeller high-strength casting material and casting process thereof |
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| CN105908008A true CN105908008A (en) | 2016-08-31 |
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| CN201610469141.7A Pending CN105908008A (en) | 2016-06-25 | 2016-06-25 | Ship propeller high-strength casting material and casting process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587021A (en) * | 2017-09-26 | 2018-01-16 | 马鞍山松鹤信息科技有限公司 | A kind of high-strength casting material and its preparation technology |
| CN111377043A (en) * | 2020-03-25 | 2020-07-07 | 安徽志恒智能装备制造有限公司 | Propeller casting process and propeller |
| CN112375936A (en) * | 2020-09-28 | 2021-02-19 | 镇江同舟螺旋桨有限公司 | Corrosion-resistant material for large propeller blade and preparation method thereof |
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| CN105195681A (en) * | 2015-08-31 | 2015-12-30 | 苏州金业船用机械厂 | Large ship propeller casting technology |
| CN105695797A (en) * | 2016-04-20 | 2016-06-22 | 苏州市相城区明达复合材料厂 | Bronze alloy for casting parts |
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2016
- 2016-06-25 CN CN201610469141.7A patent/CN105908008A/en active Pending
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| CN1894429A (en) * | 2003-12-17 | 2007-01-10 | 丰田自动车株式会社 | Wear-resistant copper-based alloy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587021A (en) * | 2017-09-26 | 2018-01-16 | 马鞍山松鹤信息科技有限公司 | A kind of high-strength casting material and its preparation technology |
| CN111377043A (en) * | 2020-03-25 | 2020-07-07 | 安徽志恒智能装备制造有限公司 | Propeller casting process and propeller |
| CN112375936A (en) * | 2020-09-28 | 2021-02-19 | 镇江同舟螺旋桨有限公司 | Corrosion-resistant material for large propeller blade and preparation method thereof |
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Application publication date: 20160831 |