CN112522547A - Special tool for dismounting and mounting - Google Patents
Special tool for dismounting and mounting Download PDFInfo
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- CN112522547A CN112522547A CN202011179114.9A CN202011179114A CN112522547A CN 112522547 A CN112522547 A CN 112522547A CN 202011179114 A CN202011179114 A CN 202011179114A CN 112522547 A CN112522547 A CN 112522547A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
- C22C1/026—Alloys based on aluminium
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a special tool for disassembly and assembly, which relates to the technical field of automobile tools, and the technical scheme of the special tool comprises the following components in percentage by mass: titanium: 6.23-8.35%, silicon: 3.6-4.8%, carbon: 3.2-3.6%, manganese: 2.3-2.7%, molybdenum: 1.5-1.8%, nickel: 0.28-0.42%, diamond: 0.16-0.22%, acetone: 0.04-0.08%, copper: 0.02-0.06% of aluminum and the balance of aluminum; the manufacturing method of the special tool comprises the following steps: 1) melting: putting the raw materials into a melting furnace, and controlling the temperature of the melting furnace to be 620-680 ℃ to obtain molten liquid; 2) casting: through clay sand molding and a totally enclosed casting process, under the adoption of the heating and heat-preserving riser, the temperature difference between the molding sand and the molten liquid is 160-180 ℃, and an alloy tool blank is obtained; 3) annealing: and carrying out homogenization annealing treatment on the alloy tool blank at 480-620 ℃ for 12-24h to obtain the special tool. The invention has the effect of obtaining the special tool for disassembling and assembling the automobile parts, which has high structural strength, wear resistance and long service life, by the corresponding formula and the preparation method.
Description
Technical Field
The invention relates to the technical field of automobile tools, in particular to a special tool for disassembly and assembly.
Background
An automobile body is provided with various connecting structures such as high-strength bolts, and in order to prevent parts of the automobile from being stolen, connecting structures such as non-standard bolts are generally adopted on the automobile. After the corresponding non-standard bolt and other connecting structures are adopted, the automobile can provide a special tool kit and comprises special tools for directly disassembling and assembling the corresponding non-standard bolt and other connecting structures.
Chinese patent application with publication number CN111288062A discloses a titanium alloy theftproof automobile wheel hub bolt and specialized tool, and this specialized tool includes the sleeve body, sleeve body upper end be equipped with outer hexagonal socket head, sleeve body lower extreme be equipped with the interior hexagonal chamber, the interior hexagonal intracavity fixed wall be equipped with strong magnet piece.
However, the titanium alloy anti-theft automobile hub bolt and the special tool are made of single materials and have low overall structural strength, so that the bolt and the special tool have low wear resistance, the service life is influenced, and improvement is needed.
Disclosure of Invention
In view of the defects in the prior art, the invention aims to provide a special tool for dismounting and mounting, which has the effects of high structural strength, wear resistance and long service life.
In order to achieve the purpose, the invention provides the following technical scheme:
a special tool for disassembly and assembly comprises the following components in percentage by mass:
titanium: 6.23-8.35%, silicon: 3.6-4.8%, carbon: 3.2-3.6%, manganese: 2.3-2.7%, molybdenum: 1.5-1.8%, nickel: 0.28-0.42%, diamond: 0.16-0.22%, acetone: 0.04-0.08%, copper: 0.02-0.06% of aluminum and the balance of aluminum;
the manufacturing method of the special tool comprises the following steps:
1) melting: putting the raw materials into a melting furnace, and controlling the temperature of the melting furnace to be 620-680 ℃ to obtain molten liquid;
2) casting: through clay sand molding and a totally enclosed casting process, under the adoption of the heating and heat-preserving riser, the temperature difference between the molding sand and the molten liquid is 160-180 ℃, and an alloy tool blank is obtained;
3) annealing: and carrying out homogenization annealing treatment on the alloy tool blank at 480-620 ℃ for 12-24h to obtain the special tool.
The invention is further configured to: also comprises 0.62 to 0.86 percent of nano silicon carbide and 0.46 to 0.62 percent of low-carbon molten steel water atomized iron powder by mass percent.
The invention is further configured to: in the melting process, slag is removed after the raw materials are melted, nano silicon carbide and low-carbon molten steel water atomized iron powder are added for three times every 10-20min, cryolite is added for deoxidation and slag removal after each time of addition and melting, and finally the molten liquid is obtained.
The invention is further configured to: the composite material comprises the following components in percentage by mass:
titanium: 6.83-7.35%, silicon: 3.8-4.6%, carbon: 3.2-3.6%, manganese: 2.4-2.6%, molybdenum: 1.5-1.8%, nickel: 0.32-0.38%, diamond: 0.16-0.22%, acetone: 0.04-0.08%, copper: 0.02-0.06% and the balance of aluminum.
In conclusion, the invention has the following beneficial effects: the special tool for disassembling and assembling the automobile parts, which has the advantages of high structural strength, wear resistance and long service life, is obtained by the corresponding formula and the preparation method.
Detailed Description
Example one
A special tool for disassembly and assembly comprises the following components in percentage by mass:
titanium: 6.23%, silicon: 3.6%, carbon: 3.2%, manganese: 2.3%, molybdenum: 1.5%, nano silicon carbide: 0.62%, molten low-carbon steel atomized iron powder: 0.46%, nickel: 0.28%, diamond: 0.16%, acetone: 0.04%, copper: 0.02 percent and the balance of aluminum.
The manufacturing method of the special tool comprises the following steps:
1) melting: placing 6.23% of titanium, 3.6% of silicon, 3.2% of carbon, 2.3% of manganese, 1.5% of molybdenum, 0.28% of nickel, 0.16% of diamond, 0.04% of acetone, 0.02% of copper and the balance of aluminum into a melting furnace, controlling the temperature of the melting furnace to be 620 ℃, removing slag after the raw materials are melted, adding nano silicon carbide and low-carbon molten steel water atomized iron powder for three times every 10min, adding cryolite for deoxidation and slag removal after each time of addition and equal melting, and finally obtaining a molten liquid;
2) casting: molding by clay sand, and obtaining an alloy tool blank by adopting a totally enclosed casting process and a heating insulation type riser with the temperature difference between the molding sand and the molten liquid being 160 ℃;
3) annealing: and (3) carrying out homogenizing annealing treatment on the alloy tool blank at 480 ℃ for 12h to obtain the special tool.
Example two
A special tool for disassembly and assembly comprises the following components in percentage by mass:
titanium: 6.83%, silicon: 3.8%, carbon: 3.2%, manganese: 2.4%, molybdenum: 1.5%, nano silicon carbide: 0.62%, molten low-carbon steel atomized iron powder: 0.46%, nickel: 0.32%, diamond: 0.16%, acetone: 0.04%, copper: 0.02 percent and the balance of aluminum.
The manufacturing method of the special tool comprises the following steps:
1) melting: placing 6.23% of titanium, 3.6% of silicon, 3.2% of carbon, 2.3% of manganese, 1.5% of molybdenum, 0.28% of nickel, 0.16% of diamond, 0.04% of acetone, 0.02% of copper and aluminum as the balance in a melting furnace according to mass percentage, controlling the temperature of the melting furnace to be 620 ℃, removing slag after the raw materials are melted, adding nano silicon carbide and low-carbon molten steel water atomized iron powder for three times every 10min, adding cryolite for deoxidation and slag removal after each time of adding and melting, and finally obtaining a molten liquid;
2) casting: molding by clay sand, and obtaining an alloy tool blank by adopting a totally enclosed casting process and a heating insulation type riser with the temperature difference between the molding sand and the molten liquid being 160 ℃;
3) annealing: and (3) carrying out homogenizing annealing treatment on the alloy tool blank at 480 ℃ for 12h to obtain the special tool.
EXAMPLE III
A special tool for disassembly and assembly comprises the following components in percentage by mass:
titanium: 7.45%, silicon: 4.2%, carbon: 3.4%, manganese: 2.5%, molybdenum: 1.65%, nano silicon carbide: 0.74 percent, low-carbon molten steel water atomized iron powder: 0.54%, nickel: 0.35%, diamond: 0.19%, acetone: 0.06%, copper: 0.04 percent and the balance of aluminum.
The manufacturing method of the special tool comprises the following steps:
1) melting: placing 7.45% of titanium, 4.2% of silicon, 3.4% of carbon, 2.5% of manganese, 1.65% of molybdenum, 0.35% of nickel, 0.19% of diamond, 0.06% of acetone, 0.04% of copper and the balance of aluminum into a melting furnace, controlling the temperature of the melting furnace to be 650 ℃, removing slag after the raw materials are melted, adding nano silicon carbide and low-carbon molten steel water atomized iron powder for three times every 15min, adding cryolite for deoxidation and slag removal after each time of addition and equal melting, and finally obtaining a molten liquid;
2) casting: molding by clay sand, and obtaining an alloy tool blank by adopting a totally enclosed casting process and a heating insulation type riser under the condition that the temperature difference between the molding sand and a molten liquid is 170 ℃;
3) annealing: and (3) carrying out homogenizing annealing treatment on the alloy tool blank at the temperature of 550 ℃ for 16h to obtain the special tool.
Example four
A special tool for disassembly and assembly comprises the following components in percentage by mass:
titanium: 7.35%, silicon: 4.6%, carbon: 3.6%, manganese: 2.6%, molybdenum: 1.8%, nano silicon carbide: 0.86 percent, low-carbon molten steel water atomized iron powder: 0.62%, nickel: 0.38%, diamond: 0.22%, acetone: 0.08%, copper: 0.06 percent and the balance of aluminum.
The manufacturing method of the special tool comprises the following steps:
1) melting: placing 7.35 percent of titanium, 4.6 percent of silicon, 3.6 percent of carbon, 2.6 percent of manganese, 1.8 percent of molybdenum, 0.38 percent of nickel, 0.22 percent of diamond, 0.08 percent of acetone, 0.06 percent of copper and the balance of aluminum into a melting furnace, controlling the temperature of the melting furnace to be 680 ℃, deslagging after the raw materials are melted, adding nano silicon carbide and low-carbon molten steel water atomized iron powder for three times every 20min, adding cryolite for deoxidation and deslagging after each time of adding and waiting for melting, and finally obtaining a molten liquid;
2) casting: molding by clay sand, and obtaining an alloy tool blank by adopting a totally enclosed casting process and a heating insulation type riser under the condition that the temperature difference between the molding sand and a molten liquid is 180 ℃;
3) annealing: and (3) carrying out homogenizing annealing treatment on the alloy tool blank at the temperature of 620 ℃ for 24h to obtain the special tool.
EXAMPLE five
A special tool for disassembly and assembly comprises the following components in percentage by mass:
titanium: 8.35%, silicon: 4.8%, carbon: 3.6%, manganese: 2.7%, molybdenum: 1.8%, nano silicon carbide: 0.86 percent, low-carbon molten steel water atomized iron powder: 0.62%, nickel: 0.42%, diamond: 0.22%, acetone: 0.08%, copper: 0.06 percent and the balance of aluminum.
The manufacturing method of the special tool comprises the following steps:
1) melting: putting 8.35% of titanium, 4.8% of silicon, 3.6% of carbon, 2.7% of manganese, 1.8% of molybdenum, 0.42% of nickel, 0.22% of diamond, 0.08% of acetone, 0.06% of copper and the balance of aluminum into a melting furnace, controlling the temperature of the melting furnace to be 680 ℃, removing slag after the raw materials are melted, adding nano silicon carbide and low-carbon molten steel water atomized iron powder for three times every 20min, adding cryolite for deoxidation and slag removal after each time of adding and melting, and finally obtaining a molten liquid;
2) casting: molding by clay sand, and obtaining an alloy tool blank by adopting a totally enclosed casting process and a heating insulation type riser under the condition that the temperature difference between the molding sand and a molten liquid is 180 ℃;
3) annealing: and (3) carrying out homogenizing annealing treatment on the alloy tool blank at the temperature of 620 ℃ for 24h to obtain the special tool.
Comparative example 1
The difference between the first comparative example and the third example is that no diamond was added to the first comparative example.
Comparative example No. two
The difference between the comparative example II and the example III is that the nano silicon carbide and the low-carbon molten steel water atomized iron powder are not added in the comparative example II.
Comparative example No. three
The difference between the third comparative example and the third example is that all the nano silicon carbide and low-carbon molten steel water atomized iron powder are added into the third comparative example at one time.
Comparative example No. four
Comparative example four differs from example three in that no acetone was added to comparative example four.
Test result of special tool for disassembling and assembling watch
| Examples | Hardness (HRC) | Tensile strength (MPa) | Yield strength (MPa) |
| Example one | 53.3 | 612 | 255 |
| Example two | 54.6 | 623 | 261 |
| EXAMPLE III | 56.2 | 637 | 276 |
| Example four | 55.4 | 629 | 266 |
| EXAMPLE five | 54.9 | 620 | 258 |
| Comparative example 1 | 38.6 | 472 | 227 |
| Comparative example No. two | 32.2 | 436 | 210 |
| Comparative example No. three | 48.6 | 526 | 242 |
| Comparative example No. four | 47.2 | 532 | 240 |
In conclusion, the effect of remarkably improving the structural strength and the wear resistance of the special tool for dismounting and mounting is realized through diamond, acetone, nano silicon carbide and low-carbon molten steel water atomized iron powder, the anti-fatigue strength of the special tool for dismounting and mounting is remarkably improved, the purpose of effectively prolonging the service life is further achieved, and the special tool for dismounting and mounting has a good market application prospect.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, but all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the present invention may occur to those skilled in the art without departing from the principle of the present invention, and such modifications and embellishments should also be considered as within the scope of the present invention.
Claims (4)
1. The special tool for disassembly and assembly is characterized by comprising the following components in percentage by mass:
titanium: 6.23-8.35%, silicon: 3.6-4.8%, carbon: 3.2-3.6%, manganese: 2.3-2.7%, molybdenum: 1.5-1.8%, nickel: 0.28-0.42%, diamond: 0.16-0.22%, acetone: 0.04-0.08%, copper: 0.02-0.06% of aluminum and the balance of aluminum;
the manufacturing method of the special tool comprises the following steps:
1) melting: putting the raw materials into a melting furnace, and controlling the temperature of the melting furnace to be 620-680 ℃ to obtain molten liquid;
2) casting: through clay sand molding and a totally enclosed casting process, under the adoption of the heating and heat-preserving riser, the temperature difference between the molding sand and the molten liquid is 160-180 ℃, and an alloy tool blank is obtained;
3) annealing: and carrying out homogenization annealing treatment on the alloy tool blank at 480-620 ℃ for 12-24h to obtain the special tool.
2. A tool as claimed in claim 1, wherein: also comprises 0.62 to 0.86 percent of nano silicon carbide and 0.46 to 0.62 percent of low-carbon molten steel water atomized iron powder by mass percent.
3. A tool as claimed in claim 2, wherein: in the melting process, slag is removed after the raw materials are melted, nano silicon carbide and low-carbon molten steel water atomized iron powder are added for three times every 10-20min, cryolite is added for deoxidation and slag removal after each time of addition and melting, and finally the molten liquid is obtained.
4. A special tool for dismounting and mounting according to claim 1, characterized by comprising the following components in percentage by mass:
titanium: 6.83-7.35%, silicon: 3.8-4.6%, carbon: 3.2-3.6%, manganese: 2.4-2.6%, molybdenum: 1.5-1.8%, nickel: 0.32-0.38%, diamond: 0.16-0.22%, acetone: 0.04-0.08%, copper: 0.02-0.06% and the balance of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179114.9A CN112522547B (en) | 2020-10-29 | 2020-10-29 | Special tool for dismounting and mounting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011179114.9A CN112522547B (en) | 2020-10-29 | 2020-10-29 | Special tool for dismounting and mounting |
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| CN112522547A true CN112522547A (en) | 2021-03-19 |
| CN112522547B CN112522547B (en) | 2022-04-15 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1491044A (en) * | 1974-11-21 | 1977-11-09 | Inst Material An Uk Ssr | Alloy for metallization and brazing of abrasive materials |
| CN203926289U (en) * | 2014-06-24 | 2014-11-05 | 宁波圣珂工具有限公司 | Rotation lock button slide bar |
| CN106191548A (en) * | 2016-08-28 | 2016-12-07 | 开平市中铝实业有限公司 | The casting method of wheel hub |
| CN108179323A (en) * | 2017-12-27 | 2018-06-19 | 山东泰义金属科技有限公司 | A kind of aluminium alloy lamp stand |
| CN109022846A (en) * | 2018-08-21 | 2018-12-18 | 周凡 | A kind of preparation method of aluminum-base composite brake disc |
-
2020
- 2020-10-29 CN CN202011179114.9A patent/CN112522547B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1491044A (en) * | 1974-11-21 | 1977-11-09 | Inst Material An Uk Ssr | Alloy for metallization and brazing of abrasive materials |
| CN203926289U (en) * | 2014-06-24 | 2014-11-05 | 宁波圣珂工具有限公司 | Rotation lock button slide bar |
| CN106191548A (en) * | 2016-08-28 | 2016-12-07 | 开平市中铝实业有限公司 | The casting method of wheel hub |
| CN108179323A (en) * | 2017-12-27 | 2018-06-19 | 山东泰义金属科技有限公司 | A kind of aluminium alloy lamp stand |
| CN109022846A (en) * | 2018-08-21 | 2018-12-18 | 周凡 | A kind of preparation method of aluminum-base composite brake disc |
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| CN112522547B (en) | 2022-04-15 |
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