CN110117734A - A kind of processing technology of bolt - Google Patents
A kind of processing technology of bolt Download PDFInfo
- Publication number
- CN110117734A CN110117734A CN201910496599.5A CN201910496599A CN110117734A CN 110117734 A CN110117734 A CN 110117734A CN 201910496599 A CN201910496599 A CN 201910496599A CN 110117734 A CN110117734 A CN 110117734A
- Authority
- CN
- China
- Prior art keywords
- bolt
- preliminary
- threading
- processing technology
- cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
-
- 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
- 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
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/003—Threaded pieces, e.g. bolts or nuts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Coating With Molten Metal (AREA)
- Heat Treatment Of Articles (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The present invention relates to a kind of processing technologys of bolt, prevent bolt from corroding, to achieve the above object, the present invention provides the following technical scheme that a kind of processing technology of bolt, it is characterized in that: the following steps are included: (1) ingredient；(2) temperature environment that material in (1) is heated to 1450 DEG C is subjected to melting and obtains aluminium alloy, aluminium alloy is cooled to 800 DEG C and pours into the obtained embryo material of mold；(3) embryo material obtained in (2) is quenched；(4) screw thread process is carried out to the preliminary bolt obtained in (3)；(5) the preliminary bolt obtained in (4) is surface-treated；(6) the preliminary bolt obtained in (5) is electroplated；(7) bolt after cleaning plating, and bolt is put into 80 ~ 100 DEG C of environment and is dried, cooled to room temperature after drying process.
Description
Technical field
The present invention relates to technical field of bolt processing, and in particular to a kind of processing technology of bolt.
Background technique
Fastener is that fasten two or more parts (or component) used when being fastenedly connected as an entirety
The general name of a kind of machine components is widely used in various machinery, equipment, vehicle, ship, railway, bridge, building, structure, work
Above, its feature is that description is various, and performance purposes is different for tool, instrument, chemical industry, instrument and articles etc., and standardize,
Seriation, unitized degree are also high.
Bolt is a kind of most common fastening part, using object inclined-plane circular rotating and frictional force physics and
Mathematical principle, the tool of incremental fastening implements parts, still, if bolt occurs to corrode to install it and dismantle to make
At extreme influence, while influencing aesthetics.
Summary of the invention
Technical problem to be solved by the present invention lies in view of the above shortcomings of the prior art, provide a kind of processing of bolt
Technique prevents bolt from corroding.
To achieve the above object, the present invention provides the following technical scheme that a kind of processing technology of bolt, it is characterized in that:
The following steps are included:
(1) ingredient carbon 2~4%, iron 10~12%, manganese 0.8~1.4%, silicon 1.1~1.9%, magnesium 0.2~0.6%, phosphorus 0.01
~0.09%, sulphur 0.03~0.09%, vanadium 0.1~0.4%, rhenium 0.001~0.05%, zirconium 0.05~0.09%, surplus are
Copper；
(2) temperature environment that material in (1) is heated to 1450 DEG C is subjected to melting and obtains aluminium alloy, aluminium alloy is cooled to 800
It DEG C pours into mold and embryo material is made；
(3) by embryo material obtained in (2) under 740 to 850 DEG C of temperature environment, it is quenched by quenching oil；
And be tempered quenched bolt first product under 450 to 520 DEG C of temperature environment, tempering time is 220 minutes, after tempering
It is cooled to room temperature and obtains preliminary bolt；
(4) screw thread process is carried out to the preliminary bolt obtained in (3)；
(5) the preliminary bolt obtained in (4) is surface-treated, processing sequence is successively are as follows: alkali cleaning → washing → pickling →
Washing → phosphatization → cleaning；
(6) electroplating processes are carried out to the preliminary bolt obtained in (5) and obtains bolt；
(7) bolt after cleaning plating, and bolt is put into 80 ~ 100 DEG C of environment and is dried, it is natural after drying process
It is cooled to room temperature.
Zn or Cd or Ni or Cr or Sn.The plated material that the present invention is further arranged so that (6) use is
The present invention is further arranged so that the plated material is Cr.
The present invention is further arranged so that screw thread process specific steps described in (4) are as follows:
A, first time threading rubs shallow thread on the screw rod of screw using threading equipment；
B, second of threading is carried out threading intensification on the shallow thread on the screw rod of screw using threading equipment and rubs final spiral shell
Line；
C, cleaning is deoiled.
The present invention as characterized above: bolt resistance to corrosion is increased by material mixture ratio and plating means.
Specific embodiment
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment 1
A kind of processing technology of bolt, it is characterized in that: the following steps are included:
(1) ingredient carbon 2%, iron 12%, manganese 0.9%, silicon 1.3%, magnesium 0.5%, phosphorus 0.01%, sulphur 0.03~0.09%, vanadium
0.4%, rhenium 0.05%, zirconium 0.09%, surplus are copper；
(2) temperature environment that material in (1) is heated to 1450 DEG C is subjected to melting and obtains aluminium alloy, aluminium alloy is cooled to 800
It DEG C pours into mold and embryo material is made；
(3) by embryo material obtained in (2) under 850 DEG C of temperature environment, it is quenched by quenching oil；And it will quench
Bolt first product after fire is tempered under 520 DEG C of temperature environment, and tempering time is 220 minutes, is cooled to room temperature after tempering
Obtain preliminary bolt；
(4) screw thread process is carried out to the preliminary bolt obtained in (3)::
A, first time threading rubs shallow thread on the screw rod of screw using threading equipment；
B, second of threading is carried out threading intensification on the shallow thread on the screw rod of screw using threading equipment and rubs final spiral shell
Line；
C, cleaning is deoiled；
(5) the preliminary bolt obtained in (4) is surface-treated, processing sequence is successively are as follows: alkali cleaning → washing → pickling →
Washing → phosphatization → cleaning；
(6) bolt is obtained using Cr electroplating processes to the preliminary bolt obtained in (5)；
(7) bolt after cleaning plating, and bolt is put into 90 DEG C of environment and is dried, natural cooling after drying process
To room temperature.
Embodiment 2
A kind of processing technology of bolt, it is characterized in that: the following steps are included:
(1) ingredient carbon 3%, iron 11%, manganese 1.2%, silicon 1.8%, magnesium 0.6%, phosphorus 0.07%, sulphur 0.06%, vanadium 0.3%, rhenium
0.004%, zirconium 0.08%, surplus are copper；
(2) temperature environment that material in (1) is heated to 1450 DEG C is subjected to melting and obtains aluminium alloy, aluminium alloy is cooled to 800
It DEG C pours into mold and embryo material is made；
(3) by embryo material obtained in (2) under 800 DEG C of temperature environment, it is quenched by quenching oil；And it will quench
Bolt first product after fire is tempered under 480 DEG C of temperature environment, and tempering time is 220 minutes, is cooled to room temperature after tempering
Obtain preliminary bolt；
(4) screw thread process is carried out to the preliminary bolt obtained in (3)::
A, first time threading rubs shallow thread on the screw rod of screw using threading equipment；
B, second of threading is carried out threading intensification on the shallow thread on the screw rod of screw using threading equipment and rubs final spiral shell
Line；
C, cleaning is deoiled；
(5) the preliminary bolt obtained in (4) is surface-treated, processing sequence is successively are as follows: alkali cleaning → washing → pickling →
Washing → phosphatization → cleaning；
(6) bolt is obtained using Cr electroplating processes to the preliminary bolt obtained in (5)；
(7) bolt after cleaning plating, and bolt is put into 100 DEG C of environment and is dried, it is naturally cold after drying process
But to room temperature.
Claims (4)
1. a kind of processing technology of bolt, it is characterized in that: the following steps are included:
(1) ingredient carbon 2~4%, iron 10~12%, manganese 0.8~1.4%, silicon 1.1~1.9%, magnesium 0.2~0.6%, phosphorus 0.01
~0.09%, sulphur 0.03~0.09%, vanadium 0.1~0.4%, rhenium 0.001~0.05%, zirconium 0.05~0.09%, surplus are
Copper；
(2) temperature environment that material in (1) is heated to 1450 DEG C is subjected to melting and obtains aluminium alloy, aluminium alloy is cooled to 800
It DEG C pours into mold and embryo material is made；
(3) by embryo material obtained in (2) under 740 to 850 DEG C of temperature environment, it is quenched by quenching oil；
And be tempered quenched bolt first product under 450 to 520 DEG C of temperature environment, tempering time is 220 minutes, after tempering
It is cooled to room temperature and obtains preliminary bolt；
(4) screw thread process is carried out to the preliminary bolt obtained in (3)；
(5) the preliminary bolt obtained in (4) is surface-treated, processing sequence is successively are as follows: alkali cleaning → washing → pickling →
Washing → phosphatization → cleaning；
(6) electroplating processes are carried out to the preliminary bolt obtained in (5) and obtains bolt；
(7) bolt after cleaning plating, and bolt is put into 80 ~ 100 DEG C of environment and is dried, it is natural after drying process
It is cooled to room temperature.
2. a kind of processing technology of bolt according to claim 1, it is characterized in that: the plated material that (6) use be Zn or
Cd or Ni or Cr or Sn.
3. the processing technology of a kind of bolt according to claim 2, it is characterized in that: the plated material is Cr.
4. the processing technology of a kind of bolt according to claim 1, it is characterized in that: screw thread process described in (4) specifically walks
Suddenly are as follows:
A, first time threading rubs shallow thread on the screw rod of screw using threading equipment；
B, second of threading is carried out threading intensification on the shallow thread on the screw rod of screw using threading equipment and rubs final spiral shell
Line；
C, cleaning is deoiled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496599.5A CN110117734A (en) | 2019-06-10 | 2019-06-10 | A kind of processing technology of bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496599.5A CN110117734A (en) | 2019-06-10 | 2019-06-10 | A kind of processing technology of bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110117734A true CN110117734A (en) | 2019-08-13 |
Family
ID=67524013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910496599.5A Pending CN110117734A (en) | 2019-06-10 | 2019-06-10 | A kind of processing technology of bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110117734A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276569A (en) * | 2020-10-20 | 2021-01-29 | 苏州市正如懿电子科技有限公司 | Anti-drop screw machining process |
| CN114227171A (en) * | 2021-12-25 | 2022-03-25 | 苏州海墨精密五金有限公司 | Production method for efficiently producing high-strength bolt |
| CN114770035A (en) * | 2022-03-29 | 2022-07-22 | 杭州嘉翔高强螺栓股份有限公司 | Production process of large hexagon bolt |
| CN115365763A (en) * | 2022-07-15 | 2022-11-22 | 芜湖天泰航空部件制造有限公司 | Fastening bolt and machining process thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056899A (en) * | 1990-05-31 | 1991-12-11 | 甘肃省机械科学研究院 | Copper-based shape memory alloy |
| CN1570165A (en) * | 2003-02-28 | 2005-01-26 | 威兰德-沃克公开股份有限公司 | Lead-free copper alloy and a method of manufacture |
| WO2006036479A1 (en) * | 2004-09-24 | 2006-04-06 | Jarden Zinc Products, Inc. | Electroplated metals with silvery-white appearance and method of making |
| CN105970017A (en) * | 2016-05-17 | 2016-09-28 | 哈尔滨电机厂有限责任公司 | Copper alloy conductive screw for nuclear power and preparation method thereof |
| CN106282656A (en) * | 2015-06-29 | 2017-01-04 | 新疆正源泰铜合金科技有限公司 | A kind of environment-friendly type lead-free Cutting free cerium brass alloys and the preparation method of ingot casting thereof |
| CN107188347A (en) * | 2017-07-14 | 2017-09-22 | 南京超旭节能科技有限公司 | The complete preposition water purification scale-proof apparatus of intelligence |
| CN108456799A (en) * | 2018-04-17 | 2018-08-28 | 沈阳赛美特新材料科技有限公司 | A kind of high-performance copper ferroalloy materials and its electroslag remelting preparation method |
| CN109514191A (en) * | 2018-11-19 | 2019-03-26 | 贵阳华丰航空科技有限公司 | A kind of screw processing and forming technology with latching characteristics of aircraft utilization |
-
2019
- 2019-06-10 CN CN201910496599.5A patent/CN110117734A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056899A (en) * | 1990-05-31 | 1991-12-11 | 甘肃省机械科学研究院 | Copper-based shape memory alloy |
| CN1570165A (en) * | 2003-02-28 | 2005-01-26 | 威兰德-沃克公开股份有限公司 | Lead-free copper alloy and a method of manufacture |
| WO2006036479A1 (en) * | 2004-09-24 | 2006-04-06 | Jarden Zinc Products, Inc. | Electroplated metals with silvery-white appearance and method of making |
| CN106282656A (en) * | 2015-06-29 | 2017-01-04 | 新疆正源泰铜合金科技有限公司 | A kind of environment-friendly type lead-free Cutting free cerium brass alloys and the preparation method of ingot casting thereof |
| CN105970017A (en) * | 2016-05-17 | 2016-09-28 | 哈尔滨电机厂有限责任公司 | Copper alloy conductive screw for nuclear power and preparation method thereof |
| CN107188347A (en) * | 2017-07-14 | 2017-09-22 | 南京超旭节能科技有限公司 | The complete preposition water purification scale-proof apparatus of intelligence |
| CN108456799A (en) * | 2018-04-17 | 2018-08-28 | 沈阳赛美特新材料科技有限公司 | A kind of high-performance copper ferroalloy materials and its electroslag remelting preparation method |
| CN109514191A (en) * | 2018-11-19 | 2019-03-26 | 贵阳华丰航空科技有限公司 | A kind of screw processing and forming technology with latching characteristics of aircraft utilization |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276569A (en) * | 2020-10-20 | 2021-01-29 | 苏州市正如懿电子科技有限公司 | Anti-drop screw machining process |
| CN114227171A (en) * | 2021-12-25 | 2022-03-25 | 苏州海墨精密五金有限公司 | Production method for efficiently producing high-strength bolt |
| CN114770035A (en) * | 2022-03-29 | 2022-07-22 | 杭州嘉翔高强螺栓股份有限公司 | Production process of large hexagon bolt |
| CN114770035B (en) * | 2022-03-29 | 2024-04-26 | 杭州嘉翔高强螺栓股份有限公司 | Production process of large hexagon bolt |
| CN115365763A (en) * | 2022-07-15 | 2022-11-22 | 芜湖天泰航空部件制造有限公司 | Fastening bolt and machining process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190813 |