CN112589393B - Production process of anchor chain - Google Patents
Production process of anchor chain Download PDFInfo
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- CN112589393B CN112589393B CN202011465646.9A CN202011465646A CN112589393B CN 112589393 B CN112589393 B CN 112589393B CN 202011465646 A CN202011465646 A CN 202011465646A CN 112589393 B CN112589393 B CN 112589393B
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- anchor chain
- bar stock
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/20—Adaptations of chains, ropes, hawsers, or the like, or of parts thereof
- B63B2021/203—Mooring cables or ropes, hawsers, or the like; Adaptations thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a production process of an anchor chain, which comprises the following operation steps: s1: preparing a steel bar stock, heating the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 400 ℃ to provide heat preservation for the bar stock for 3-5 hours, continuing to heat the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 200 ℃ to provide heat preservation for the bar stock for 8 hours; s2: atomizing and spraying the water-based quenching agent on the surface of the bar stock to reduce the temperature and harden the surface of the bar stock; s3: conveying the bar stock into a chain braider, and pressing and forming; s4: dragging the braided anchor chain into a quenching agent, standing for 1 hour, and taking out; s5: and performing deburring treatment on the cooled anchor chain body. According to the anchor chain production process, the structure of the bar is compact through high-temperature calcination, low-temperature tempering and high-temperature calcination, and the wear resistance of the bar is further enhanced.
Description
Technical Field
The invention relates to the field of anchor chain production, in particular to a production process of an anchor chain.
Background
The anchor chain is formed by connecting a plurality of chain rings, and is divided into a baffled anchor key and a non-baffled anchor chain according to the condition that whether a supporting baffle is arranged in the middle of the chain ring or not. The anchor chain can be made by forging, casting, welding and the like. The anchor chain for ship consists of several sections, each section is 25.0-27.5 m long, and the sections are connected with each other by chain ring or shackle. After the anchor is winched, the anchor chain is stored in the chain locker at the bow part of the ship. And the specification of the anchor chain is calculated and confirmed according to the ship building standard. The anchor chain is the chain between connection anchor and the hull, is used for transmitting and buffering the external force that boats and ships received, current ordinary anchor chain is easy to be corroded, and striking in the sea water throughout the year, the mutual motion between the chain link of anchor chain, produce the friction, can expose iron in the outside, iron is changeed rust oxidation under the soaking of sea water, strike in the sea water again, the mutual motion between the chain link of anchor chain, produce the friction, go round and go round, can make the diameter of anchor chain diminish, tensile strength reduces, its service life has been shortened.
Disclosure of Invention
The invention mainly aims to provide a production process of an anchor chain, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a production process of an anchor chain comprises the following operation steps:
s1: preparing a steel bar stock, heating the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 400 ℃ to provide heat preservation for the bar stock for 3-5 hours, continuing to heat the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 200 ℃ to provide heat preservation for the bar stock for 8 hours;
s2: atomizing and spraying the water-based quenching agent on the surface of the bar stock to reduce the temperature and harden the surface of the bar stock;
s3: conveying the bar stock into a chain braider, and pressing and forming;
s4: dragging the braided anchor chain into a quenching agent, standing for 1 hour, and taking out;
s5: deburring the cooled anchor chain body;
s6: and carrying out fine grinding and polishing on the anchor chain body after coarse grinding.
Preferably, the aqueous quenching medium is prepared from the following raw materials in parts by weight: 2-3% of acetic acid, 2-3% of glucose, 5-10% of gelatin, 0.5-2% of polyvinyl alcohol, 0.5-2% of sodium hydroxide and 80-90% of water.
Preferably, the content of acetic acid is 3%, the content of glucose is 3%, the content of gelatin is 10%, the content of polyvinyl alcohol is 2%, the content of sodium hydroxide is 2%, and the content of water is 80%.
Preferably, the proportion of acetic acid is 2.8%, the proportion of glucose is 2.8%, the proportion of gelatin is 9%, the proportion of polyvinyl alcohol is 1.7%, the proportion of sodium hydroxide is 1.7%, and the proportion of water is 82%.
Preferably, the proportion of acetic acid is 2.6%, the proportion of glucose is 2.6%, the proportion of gelatin is 8%, the proportion of polyvinyl alcohol is 1.4%, the proportion of sodium hydroxide is 1.4%, and the proportion of water is 84%.
Preferably, the proportion of acetic acid is 2.4%, the proportion of glucose is 2.4%, the proportion of gelatin is 7%, the proportion of polyvinyl alcohol is 1.1%, the proportion of sodium hydroxide is 1.1%, and the proportion of water is 86%.
Preferably, the proportion of acetic acid is 2.2%, the proportion of glucose is 2.2%, the proportion of gelatin is 6%, the proportion of polyvinyl alcohol is 0.8%, the proportion of sodium hydroxide is 0.8%, and the proportion of water is 88%.
Preferably, the proportion of acetic acid is 2%, the proportion of glucose is 2%, the proportion of gelatin is 5%, the proportion of polyvinyl alcohol is 0.5%, the proportion of sodium hydroxide is 0.5%, and the proportion of water is 90%.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the structure of the bar is compact through high-temperature calcination, low-temperature tempering and high-temperature calcination, so that the wear resistance of the bar is enhanced, the surface layer of the bar is hardened in one step through a surface quenching mode, and the toughness of the surface of the anchor chain body is increased in a plasticity process, so that the wear-resistant and durable effect of the anchor chain body is achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the invention relates to a production process of an anchor chain, which comprises the following operation steps:
s1: preparing a steel bar stock, heating the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 400 ℃ to provide heat preservation for the bar stock for 3-5 hours, continuing to heat the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 200 ℃ to provide heat preservation for the bar stock for 8 hours;
s2: atomizing and spraying a water-based quenching agent on the surface of a bar stock to reduce the temperature and harden the surface of the bar stock, wherein the water-based quenching agent is prepared from the following raw materials in parts by weight: 2-3% of acetic acid, 2-3% of glucose, 5-10% of gelatin, 0.5-2% of polyvinyl alcohol, 0.5-2% of sodium hydroxide and 80-90% of water;
s3: conveying the bar stock into a chain braiding machine, and pressing and forming;
s4: dragging the braided anchor chain into a quenching agent, standing for 1 hour, and taking out;
s5: deburring the cooled anchor chain body;
s6: and carrying out accurate grinding and polishing on the anchor chain body after the rough grinding.
Example 2:
on the basis of example 1, the proportion of acetic acid is 3%, the proportion of glucose is 3%, the proportion of gelatin is 10%, the proportion of polyvinyl alcohol is 2%, the proportion of sodium hydroxide is 2%, and the proportion of water is 80%.
Example 3:
on the basis of example 1, the proportion of acetic acid is 2.8%, the proportion of glucose is 2.8%, the proportion of gelatin is 9%, the proportion of polyvinyl alcohol is 1.7%, the proportion of sodium hydroxide is 1.7%, and the proportion of water is 82%.
Example 4:
on the basis of example 1, the proportion of acetic acid is 2.6%, the proportion of glucose is 2.6%, the proportion of gelatin is 8%, the proportion of polyvinyl alcohol is 1.4%, the proportion of sodium hydroxide is 1.4%, and the proportion of water is 84%.
Example 5:
on the basis of example 1, the content of acetic acid was 2.4%, the content of glucose was 2.4%, the content of gelatin was 7%, the content of polyvinyl alcohol was 1.1%, the content of sodium hydroxide was 1.1%, and the content of water was 86%.
Example 6:
on the basis of example 1, the proportion of acetic acid is 2.2%, the proportion of glucose is 2.2%, the proportion of gelatin is 6%, the proportion of polyvinyl alcohol is 0.8%, the proportion of sodium hydroxide is 0.8%, and the proportion of water is 88%.
Example 7:
on the basis of example 1, the proportion of acetic acid is 2%, the proportion of glucose is 2%, the proportion of gelatin is 5%, the proportion of polyvinyl alcohol is 0.5%, the proportion of sodium hydroxide is 0.5%, and the proportion of water is 90%.
According to the invention, the structure of the bar is compact through high-temperature calcination, low-temperature tempering and high-temperature calcination, so that the wear resistance of the bar is enhanced, the surface layer of the bar is hardened in one step in a surface quenching manner, and the toughness of the surface of the anchor chain body is increased in a plasticity process, so that the wear-resistant and durable effects of the anchor chain body are achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A production process of an anchor chain is characterized in that: the method comprises the following operation steps:
s1: preparing a steel bar stock, heating the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 400 ℃ to provide heat preservation for the bar stock for 3-5 hours, continuing to heat the bar stock at the high temperature of 800 ℃ for 2-3 hours, reducing the temperature to 200 ℃ to provide heat preservation for the bar stock for 8 hours;
s2: atomizing and spraying the water-based quenching agent on the surface of the bar stock to reduce the temperature and harden the surface of the bar stock;
s3: conveying the bar stock into a chain braiding machine, and pressing and forming;
s4: dragging the braided anchor chain into a quenching agent, standing for 1 hour, and taking out;
s5: deburring the cooled anchor chain body;
s6: and carrying out fine grinding and polishing on the anchor chain body after coarse grinding.
2. A process for the production of an anchor chain according to claim 1, wherein: the aqueous quenching agent is prepared from the following raw materials in parts by weight: 2-3% of acetic acid, 2-3% of glucose, 5-10% of gelatin, 0.5-2% of polyvinyl alcohol, 0.5-2% of sodium hydroxide and 80-90% of water.
3. A process for the production of an anchor chain according to claim 2, wherein: the content of acetic acid is 3%, the content of glucose is 3%, the content of gelatin is 10%, the content of polyvinyl alcohol is 2%, the content of sodium hydroxide is 2%, and the content of water is 80%.
4. A process for the production of an anchor chain according to claim 2, wherein: the content of acetic acid is 2.8%, the content of glucose is 2.8%, the content of gelatin is 9%, the content of polyvinyl alcohol is 1.7%, the content of sodium hydroxide is 1.7%, and the content of water is 82%.
5. A process for the production of an anchor chain according to claim 2, wherein: the content of acetic acid is 2.6%, the content of glucose is 2.6%, the content of gelatin is 8%, the content of polyvinyl alcohol is 1.4%, the content of sodium hydroxide is 1.4%, and the content of water is 84%.
6. A process for the production of an anchor chain according to claim 2, wherein: the content of acetic acid is 2.4%, the content of glucose is 2.4%, the content of gelatin is 7%, the content of polyvinyl alcohol is 1.1%, the content of sodium hydroxide is 1.1%, and the content of water is 86%.
7. The process for producing an anchor chain according to claim 2, wherein: the content of acetic acid is 2.2%, the content of glucose is 2.2%, the content of gelatin is 6%, the content of polyvinyl alcohol is 0.8%, the content of sodium hydroxide is 0.8%, and the content of water is 88%.
8. A process for the production of an anchor chain according to claim 2, wherein: the content of acetic acid is 2%, the content of glucose is 2%, the content of gelatin is 5%, the content of polyvinyl alcohol is 0.5%, the content of sodium hydroxide is 0.5%, and the content of water is 90%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465646.9A CN112589393B (en) | 2020-12-14 | 2020-12-14 | Production process of anchor chain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465646.9A CN112589393B (en) | 2020-12-14 | 2020-12-14 | Production process of anchor chain |
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| Publication Number | Publication Date |
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| CN112589393A CN112589393A (en) | 2021-04-02 |
| CN112589393B true CN112589393B (en) | 2022-10-11 |
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| CN202011465646.9A Active CN112589393B (en) | 2020-12-14 | 2020-12-14 | Production process of anchor chain |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231206A (en) * | 2013-03-31 | 2013-08-07 | 安徽省巢湖银环锚链有限责任公司 | Manufacturing technology of R4 grade mooring cable used on deep sea drilling platform |
| DE102013107100A1 (en) * | 2013-07-05 | 2015-01-08 | Thyssenkrupp Steel Europe Ag | Wear-resistant, at least partially uncoated steel part |
| CN103484624A (en) * | 2013-09-23 | 2014-01-01 | 无锡阳工机械制造有限公司 | Water-based quenching agent of alloy steel |
| CN103447777A (en) * | 2013-09-25 | 2013-12-18 | 浙江双鸟锚链有限公司 | Production process of stainless steel anchor chains |
| CN105063320B (en) * | 2015-09-21 | 2017-06-16 | 长沙天和钻具机械有限公司 | A kind of preparation method of high-wind pressure impactor piston |
| CN109128708A (en) * | 2018-09-29 | 2019-01-04 | 徐州徐工履带底盘有限公司 | A kind of thrust wheel wheel shaft processing method |
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Denomination of invention: A production process for anchor chains Effective date of registration: 20230609 Granted publication date: 20221011 Pledgee: Postal Savings Bank of China Co.,Ltd. Zhoushan Putuo District Sub branch Pledgor: ZHOUSHAN ZHONGNAN ANCHOR CHAIN MANUFACTURE Co.,Ltd. Registration number: Y2023330001142 |