CN114941086A - Copper alloy for manufacturing wear-resistant gear and processing technology thereof - Google Patents
Copper alloy for manufacturing wear-resistant gear and processing technology thereof Download PDFInfo
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- CN114941086A CN114941086A CN202110443408.6A CN202110443408A CN114941086A CN 114941086 A CN114941086 A CN 114941086A CN 202110443408 A CN202110443408 A CN 202110443408A CN 114941086 A CN114941086 A CN 114941086A
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- Prior art keywords
- wear
- gear body
- copper
- resistant
- gear
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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
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a copper alloy for manufacturing a wear-resistant gear and a processing technology thereof. The copper alloy is a wear-resistant alloy layer arranged on the surface of the gear body, the wear-resistant alloy layer is compounded on the surface of the gear body by adopting a process of firstly metal-carburizing and then carburizing, and the wear-resistant alloy layer is composed of multiple metal elements, namely copper, zinc, nickel, zirconium, chromium and iron. The product of the invention has low production cost, wear resistance, corrosion resistance and long service life, and the process of the invention has simple processing and improves the surface hardness of the gear.
Description
Technical Field
The invention relates to a copper alloy, in particular to a copper alloy for manufacturing a wear-resistant gear and a processing technology thereof.
Background
The traditional gear is generally made of medium carbon steel and medium carbon alloy steel materials, the requirements on the hardness and the wear resistance of a tooth surface of the gear are high in the long-time working process of the gear, and the gear has the defects of low surface hardness, poor wear resistance and short service life.
Disclosure of Invention
The invention aims to provide a copper alloy for manufacturing a wear-resistant gear and a processing technology thereof, wherein the copper alloy has the advantages of low production cost, improved gear surface hardness, wear resistance, corrosion resistance, simple processing and long service life.
The technical scheme of the invention is as follows: the copper alloy is a wear-resistant alloy layer arranged on the surface of a gear body, the wear-resistant alloy layer is compounded on the surface of the gear body by adopting the processes of firstly metal infiltration and then carburization, and the wear-resistant alloy layer is composed of multiple metal elements including copper, zinc, nickel, zirconium, chromium and iron.
Furthermore, the wear-resistant alloy layer comprises, by mass, 88% -92% of copper, 1% -3% of zinc, 5% -10% of nickel, 0.5% -1.5% of zirconium, 1% -5% of chromium and 0.5% -2% of iron.
Further, the thickness of the wear-resistant alloy layer is 0.3-0.7 mm.
A processing technology of copper alloy for manufacturing wear-resistant gears is characterized by comprising the following steps:
(1) adding copper, zinc, nickel, zirconium, chromium and iron into a smelting furnace in batches for melting, conveying the molten copper, zinc, nickel, zirconium, chromium and iron into a specified die to prepare a copper alloy blank, diffusing copper, zinc, nickel, zirconium, chromium and iron in the copper alloy blank into the interior and the surface of a hot-processed gear body by adopting a metal infiltration process to form a wear-resistant alloy layer, and naturally cooling at room temperature;
(2) performing a carburizing process on the gear body after metal infiltration, placing the gear body in a die matched with the gear body, filling a carburizing agent into the die, completely covering the surface of the gear body, completely sealing the die, placing the die in a heating furnace for heating for 2-4h, and naturally cooling at room temperature;
(3) taking out the carburized gear body, cleaning, feeding into a heating furnace, heating for 0.5h at 1150-1250 ℃, and then immersing into quenching oil for rapid cooling;
(4) tempering for three times under the environment of the tempering temperature of 550-570 ℃.
The invention has the beneficial effects that: low production cost, improved gear surface hardness, wear resistance, corrosion resistance, simple processing and long service life.
Detailed Description
Example 1
The copper alloy is a wear-resistant alloy layer arranged on the surface of a gear body, the wear-resistant alloy layer is compounded on the surface of the gear body by adopting the processes of firstly metal infiltration and then carburization, and the wear-resistant alloy layer is composed of multiple metal elements, namely copper, zinc, nickel, zirconium, chromium and iron.
The wear-resistant alloy layer comprises 88 mass percent of copper, 3 mass percent of zinc, 7 mass percent of nickel, 0.5 mass percent of zirconium, 1 mass percent of chromium and 0.5 mass percent of iron.
The thickness of the wear-resistant alloy layer is 0.3 mm.
A processing technology of copper alloy for manufacturing wear-resistant gears comprises the following steps:
(1) adding copper, zinc, nickel, zirconium, chromium and iron into a smelting furnace in batches for melting, conveying the materials into a specified mould to prepare a copper alloy blank, diffusing copper elements, zinc elements, nickel elements, zirconium elements, chromium elements and iron elements in the copper alloy blank into the interior and the surface of a hot-processed gear body by adopting a metal infiltration process to form a wear-resistant alloy layer, and naturally cooling at room temperature;
(2) performing a carburizing process on the gear body after metal infiltration, placing the gear body in a die matched with the gear body, filling a carburizing agent into the die, completely covering the surface of the gear body, completely sealing the die, placing the die in a heating furnace for heating for 2 hours, and naturally cooling at room temperature;
(3) taking out the carburized gear body, cleaning, feeding the gear body into a heating furnace, heating for 0.5h at 1150 ℃, and then immersing the gear body into quenching oil for rapid cooling;
(4) tempering for three times in the environment with the tempering temperature of 550 ℃.
Example 2
The copper alloy is a wear-resistant alloy layer arranged on the surface of a gear body, the wear-resistant alloy layer is compounded on the surface of the gear body by adopting the processes of firstly metal infiltration and then carburization, and the wear-resistant alloy layer is composed of multiple metal elements, namely copper, zinc, nickel, zirconium, chromium and iron.
The wear-resistant alloy layer comprises, by mass, 92% of copper, 1% of zinc, 5% of nickel, 0.5% of zirconium, 1% of chromium and 0.5% of iron.
The thickness of the wear-resistant alloy layer is 0.5 mm.
A processing technology of copper alloy for manufacturing wear-resistant gears comprises the following steps:
(1) adding copper, zinc, nickel, zirconium, chromium and iron into a smelting furnace in batches for melting, conveying the materials into a specified mould to prepare a copper alloy blank, diffusing copper elements, zinc elements, nickel elements, zirconium elements, chromium elements and iron elements in the copper alloy blank into the interior and the surface of a hot-processed gear body by adopting a metal infiltration process to form a wear-resistant alloy layer, and naturally cooling at room temperature;
(2) performing a carburizing process on the gear body after metal infiltration, placing the gear body in a die matched with the gear body, filling a carburizing agent into the die, completely covering the surface of the gear body, completely sealing the die, placing the die in a heating furnace for heating for 3 hours, and naturally cooling at room temperature;
(3) taking out the carburized gear body, cleaning, feeding the gear body into a heating furnace, heating for 0.5h at 1200 ℃, and then immersing the gear body into quenching oil for rapid cooling;
(4) tempering for three times in an environment with the tempering temperature of 560 ℃.
Example 3
The copper alloy is a wear-resistant alloy layer arranged on the surface of a gear body, the wear-resistant alloy layer is compounded on the surface of the gear body by adopting the processes of firstly metal infiltration and then carburization, and the wear-resistant alloy layer is composed of multiple metal elements, namely copper, zinc, nickel, zirconium, chromium and iron.
The wear-resistant alloy layer comprises 90% of copper, 1% of zinc, 6% of nickel, 1% of zirconium, 1% of chromium and 1% of iron in percentage by mass.
The thickness of the wear-resistant alloy layer is 0.7 mm.
4. A processing technology of copper alloy for manufacturing wear-resistant gears comprises the following steps:
(1) adding copper, zinc, nickel, zirconium, chromium and iron into a smelting furnace in batches for melting, conveying the materials into a specified mould to prepare a copper alloy blank, diffusing copper elements, zinc elements, nickel elements, zirconium elements, chromium elements and iron elements in the copper alloy blank into the interior and the surface of a hot-processed gear body by adopting a metal infiltration process to form a wear-resistant alloy layer, and naturally cooling at room temperature;
(2) performing a carburizing process on the gear body after metal infiltration, placing the gear body in a die matched with the gear body, filling a carburizing agent into the die, completely covering the surface of the gear body, completely sealing the die, placing the die in a heating furnace for heating for 4 hours, and naturally cooling at room temperature;
(3) taking out the carburized gear body, cleaning, feeding the gear body into a heating furnace, heating for 0.5h at 1250 ℃, and then immersing the gear body into quenching oil for rapid cooling;
(4) tempering is carried out for three times under the environment with the tempering temperature of 570 ℃.
Claims (4)
1. A copper alloy for manufacturing a wear-resistant gear, characterized in that: the copper alloy is a wear-resistant alloy layer arranged on the surface of the gear body, the wear-resistant alloy layer is compounded on the surface of the gear body by adopting a process of firstly carburizing metal and then carburizing the metal, and the wear-resistant alloy layer is composed of various metal elements, namely copper, zinc, nickel, zirconium, chromium and iron.
2. The copper alloy for manufacturing a wear-resistant gear according to claim 1, wherein: the wear-resistant alloy layer comprises, by mass, 88-92% of copper, 1-3% of zinc, 5-10% of nickel, 0.5-1.5% of zirconium, 1-5% of chromium and 0.5-2% of iron.
3. The copper alloy for manufacturing a wear-resistant gear according to claim 1, wherein: the thickness of the wear-resistant alloy layer is 0.3-0.7 mm.
4. A processing technology for manufacturing a copper alloy of a wear-resistant gear is characterized by comprising the following steps:
(1) adding copper, zinc, nickel, zirconium, chromium and iron into a smelting furnace in batches for melting, conveying the molten copper, zinc, nickel, zirconium, chromium and iron into a specified die to prepare a copper alloy blank, diffusing copper, zinc, nickel, zirconium, chromium and iron in the copper alloy blank into the interior and the surface of a hot-processed gear body by adopting a metal infiltration process to form a wear-resistant alloy layer, and naturally cooling at room temperature;
(2) performing a carburizing process on the gear body after metal infiltration, placing the gear body in a die matched with the gear body, filling a carburizing agent into the die, completely covering the surface of the gear body, completely sealing the die, placing the die in a heating furnace for heating for 2-4h, and naturally cooling at room temperature;
(3) taking out the carburized gear body, cleaning, feeding the gear body into a heating furnace, heating for 0.5h, controlling the temperature to 1150-1250 ℃, and then immersing the gear body into quenching oil for rapid cooling;
(4) tempering for three times under the environment of the tempering temperature of 550-570 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110443408.6A CN114941086A (en) | 2021-04-23 | 2021-04-23 | Copper alloy for manufacturing wear-resistant gear and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110443408.6A CN114941086A (en) | 2021-04-23 | 2021-04-23 | Copper alloy for manufacturing wear-resistant gear and processing technology thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114941086A true CN114941086A (en) | 2022-08-26 |
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| CN202110443408.6A Pending CN114941086A (en) | 2021-04-23 | 2021-04-23 | Copper alloy for manufacturing wear-resistant gear and processing technology thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5843243A (en) * | 1995-02-17 | 1998-12-01 | Toyota Jidosha Kabushiki Kaisha | Wear-resistant copper-based alloy |
| CN101737479A (en) * | 2010-01-05 | 2010-06-16 | 桂林电子科技大学 | Wear-resistant gear with alloy steel on surface |
| CN102367612A (en) * | 2011-09-07 | 2012-03-07 | 常熟市迅达粉末冶金有限公司 | Wear-resistant steel wire ring |
| CN103436892A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Preparation method for abrasion-resistant gear with alloy steel on surface |
| CN107779647A (en) * | 2016-08-31 | 2018-03-09 | 叶均蔚 | Beryllium-free polybasic copper alloy |
| CN109971993A (en) * | 2017-12-28 | 2019-07-05 | 北京有色金属研究总院 | A kind of high Vulcan metal and preparation method thereof |
-
2021
- 2021-04-23 CN CN202110443408.6A patent/CN114941086A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5843243A (en) * | 1995-02-17 | 1998-12-01 | Toyota Jidosha Kabushiki Kaisha | Wear-resistant copper-based alloy |
| CN101737479A (en) * | 2010-01-05 | 2010-06-16 | 桂林电子科技大学 | Wear-resistant gear with alloy steel on surface |
| CN102367612A (en) * | 2011-09-07 | 2012-03-07 | 常熟市迅达粉末冶金有限公司 | Wear-resistant steel wire ring |
| CN103436892A (en) * | 2013-07-13 | 2013-12-11 | 瞿立双 | Preparation method for abrasion-resistant gear with alloy steel on surface |
| CN107779647A (en) * | 2016-08-31 | 2018-03-09 | 叶均蔚 | Beryllium-free polybasic copper alloy |
| CN109971993A (en) * | 2017-12-28 | 2019-07-05 | 北京有色金属研究总院 | A kind of high Vulcan metal and preparation method thereof |
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Address after: 215400 88 Chongen Road, Loudong street, Taicang City, Suzhou City, Jiangsu Province Applicant after: Suzhou Boyuan Aerospace New Materials Co.,Ltd. Address before: 215400 88 Chongen Road, Loudong street, Taicang City, Suzhou City, Jiangsu Province Applicant before: SUZHOU RICHMOND ADVANCED MATERIAL TECHNOLOGY TRANSFER Co.,Ltd. |