CN108913849A - 一种回火胎圈钢丝的加工方法 - Google Patents
一种回火胎圈钢丝的加工方法 Download PDFInfo
- Publication number
- CN108913849A CN108913849A CN201810695297.6A CN201810695297A CN108913849A CN 108913849 A CN108913849 A CN 108913849A CN 201810695297 A CN201810695297 A CN 201810695297A CN 108913849 A CN108913849 A CN 108913849A
- Authority
- CN
- China
- Prior art keywords
- steel wire
- temperature
- pickling
- concentration
- processing method
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
- C25F1/02—Pickling; Descaling
- C25F1/04—Pickling; Descaling in solution
- C25F1/06—Iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/042—Manufacture of coated wire or bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1689—After-treatment
- C23C18/1692—Heat-treatment
-
- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/48—Coating with alloys
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electroplating Methods And Accessories (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
本发明旨在提供一种回火胎圈钢丝加工方法,包括以下步骤:(1)表面处理;(2)第一次拉拔;(3)热处理;(4)第二次拉拔;(5)镀铜。该方法克服现有技术缺陷,具有钢丝强度高、延伸率高、工艺可操作性强的特点。
Description
技术领域
本发明涉及钢丝加工领域,具体涉及一种回火胎圈钢丝的加工方法。
背景技术
胎圈钢丝用于轮胎的胎圈部分,是轮胎的主要骨架材料之一,用于制造乘用汽车及其它运载车的轮胎胎圈钢丝束,其作用是使轮胎紧密地固定在轮辋上,并承受着轮胎与轮辋之间的各种相互作用力。胎圈钢丝是一种经拉拔加工后在碳素圆钢丝表面镀有青铜、紫铜或黄铜等镀层的高性能金属线材。近年来,随着我国巨大的汽车保有量和持续增长的车市行情,胎圈钢丝需求量不断增大,由于受限于生产设备及工艺等问题,部分厂家生产的胎圈钢丝常存在各种性能指标不合格的情况。
发明内容
本发明旨在提供一种回火胎圈钢丝的加工方法,该方法克服现有技术缺陷,具有设备要求低、工艺可操作性强的特点。
本发明的技术方案如下:
一种回火胎圈钢丝加工方法,包括以下步骤:
(1)表面处理:将钢丝用汽油浸泡,再用压缩空气吹干;利用碱液对钢丝进行电解碱洗,之后对钢丝进行化学酸洗,再之后对钢丝进行超声波水洗;
(2)第一次拉拔:利用卷筒连接钢丝,并通过拉丝模进行拉拔,拉拔的总压缩比为20%-30%,平均压缩比为10%-15%,拉拔速度4m/s-6m/s,循环冷却水40-50℃;
(3)热处理:使得钢丝通过明火炉,明火炉温度设定1000-1100℃,钢丝从明火炉出来进入铅槽冷却,铅淬火温度设定550-600℃,钢丝在铅槽液中停留时间55-65秒,然后进行酸洗和涂硼处理;
(4)第二次拉拔:采用模具拉拔,拉拔速度10-15m/s,循环冷却水40-60℃,平均压缩比约为15%-20%;
(5)镀铜:镀液铜浓度0.2-0.7%,镀液锡浓度0.02-0.04%,温度20-45℃,镀铜后进行回火处理,回火温度410-450℃,钢丝在铅槽液回火时间约1.5-2秒,然后进行酸洗和清洗后烘干即得。
优选地,所述的碱液为包含如下成分浓度的水溶液:氢氧化钠15-25g/L、碳酸钠10-15g/L、碳酸氢钠2-6g/L;
优选地,所述的超声波水洗的功率为1800-2300W、频率为23-30kHz。
优选地,电解碱洗的条件为温度为70-85℃、电流密度50-100A/dm2、处理时间3-5s。
优选地,化学酸洗的条件为温度10-20℃、时间15-30s。
优选地,所述的步骤(2)的酸洗和涂硼处理,其盐酸浓度12-25%,盐酸温度40-70℃,硼砂浓度20-35%,硼砂温度70-90℃,酸洗涂硼后烘干,烘箱温度110-150℃,烘干时缠绕速度13-16m/Min。
优选地,所述的步骤(5)的酸洗处理,其盐酸浓度15-20%,盐酸温度50-80℃,酸洗后烘干,烘箱温度130-150℃,烘干时缠绕速度12-14m/Min。
本发明处理方法简单、高效,得处理后的钢丝强度高、延伸率高,且钢丝表面凹凸点分布均匀;该表面处理方法简单、高效,且处理后钢丝强度稳定。
具体实施方式
实施例1
一种回火胎圈钢丝加工方法,包括以下步骤:
(1)表面处理:将钢丝用汽油浸泡,再用压缩空气吹干;利用碱液对钢丝进行电解碱洗,之后对钢丝进行化学酸洗,再之后对钢丝进行超声波水洗;
(2)第一次拉拔:利用卷筒连接钢丝,并通过拉丝模进行拉拔,拉拔的总压缩比为20%%,平均压缩比为10%%,拉拔速度4m/s,循环冷却水40℃;
(3)热处理:使得钢丝通过明火炉,明火炉温度设定1000℃,钢丝从明火炉出来进入铅槽冷却,铅淬火温度设定550℃,钢丝在铅槽液中停留时间55秒,然后进行酸洗和涂硼处理;
(4)第二次拉拔:采用模具拉拔,拉拔速度10m/s,循环冷却水40℃,平均压缩比约为15%%;
(5)镀铜:镀液铜浓度0.2%,镀液锡浓度0.02%,温度20℃,镀铜后进行回火处理,回火温度410℃,钢丝在铅槽液回火时间约1.5秒,然后进行酸洗和清洗后烘干即得;
所述的碱液为包含如下成分浓度的水溶液:氢氧化钠15g/L、碳酸钠10g/L、碳酸氢钠2g/L;
所述的超声波水洗的功率为1800W、频率为23kHz;
电解碱洗的条件为温度为70℃、电流密度50A/dm2、处理时间3s;
化学酸洗的条件为温度10℃、时间15s;
所述的步骤(2)的酸洗和涂硼处理,其盐酸浓度12%,盐酸温度40℃,硼砂浓度20%,硼砂温度70℃,酸洗涂硼后烘干,烘箱温度110℃,烘干时缠绕速度13m/Min;
所述的步骤(5)的酸洗处理,其盐酸浓度15%,盐酸温度50℃,酸洗后烘干,烘箱温度130℃,烘干时缠绕速度12m/Min。
实施例2
一种回火胎圈钢丝加工方法,包括以下步骤:
(1)表面处理:将钢丝用汽油浸泡,再用压缩空气吹干;利用碱液对钢丝进行电解碱洗,之后对钢丝进行化学酸洗,再之后对钢丝进行超声波水洗;
(2)第一次拉拔:利用卷筒连接钢丝,并通过拉丝模进行拉拔,拉拔的总压缩比为30%,平均压缩比为15%,拉拔速度6m/s,循环冷却水50℃;
(3)热处理:使得钢丝通过明火炉,明火炉温度设定1100℃,钢丝从明火炉出来进入铅槽冷却,铅淬火温度设定600℃,钢丝在铅槽液中停留时间65秒,然后进行酸洗和涂硼处理;
(4)第二次拉拔:采用模具拉拔,拉拔速度15m/s,循环冷却水60℃,平均压缩比约为20%;
(5)镀铜:镀液铜浓度0.7%,镀液锡浓度0.04%,温度45℃,镀铜后进行回火处理,回火温度450℃,钢丝在铅槽液回火时间约2秒,然后进行酸洗和清洗后烘干即得;
所述的碱液为包含如下成分浓度的水溶液:氢氧化钠25g/L、碳酸钠15g/L、碳酸氢钠6g/L;
所述的超声波水洗的功率为2300W、频率为30kHz;
电解碱洗的条件为温度为85℃、电流密度100A/dm2、处理时间5s;
化学酸洗的条件为温度20℃、时间30s;
所述的步骤(2)的酸洗和涂硼处理,其盐酸浓度25%,盐酸温度70℃,硼砂浓度35%,硼砂温度90℃,酸洗涂硼后烘干,烘箱温度150℃,烘干时缠绕速度16m/Min;
所述的步骤(5)的酸洗处理,其盐酸浓度20%,盐酸温度80℃,酸洗后烘干,烘箱温度150℃,烘干时缠绕速14m/Min。
实施例3
一种回火胎圈钢丝加工方法,包括以下步骤:
(1)表面处理:将钢丝用汽油浸泡,再用压缩空气吹干;利用碱液对钢丝进行电解碱洗,之后对钢丝进行化学酸洗,再之后对钢丝进行超声波水洗;
(2)第一次拉拔:利用卷筒连接钢丝,并通过拉丝模进行拉拔,拉拔的总压缩比为25%,平均压缩比为12%,拉拔速度5m/s,循环冷却水45℃;
(3)热处理:使得钢丝通过明火炉,明火炉温度设定1050℃,钢丝从明火炉出来进入铅槽冷却,铅淬火温度设定580℃,钢丝在铅槽液中停留时间60秒,然后进行酸洗和涂硼处理;
(4)第二次拉拔:采用模具拉拔,拉拔速度12m/s,循环冷却水50℃,平均压缩比约为18%;
(5)镀铜:镀液铜浓度0.5%,镀液锡浓度0.03%,温度40℃,镀铜后进行回火处理,回火温度430℃,钢丝在铅槽液回火时间约1.8秒,然后进行酸洗和清洗后烘干即得;
所述的碱液为包含如下成分浓度的水溶液:氢氧化钠20g/L、碳酸钠13g/L、碳酸氢钠4g/L;
所述的超声波水洗的功率为2000W、频率为28kHz;
电解碱洗的条件为温度为80℃、电流密度80A/dm2、处理时间4s;
化学酸洗的条件为温度15℃、时间20s;
所述的步骤(2)的酸洗和涂硼处理,其盐酸浓度18%,盐酸温度60℃,硼砂浓度25%,硼砂温度80℃,酸洗涂硼后烘干,烘箱温度130℃,烘干时缠绕速度14m/Min;
所述的步骤(5)的酸洗处理,其盐酸浓度18%,盐酸温度70℃,酸洗后烘干,烘箱温度140℃,烘干时缠绕速度13m/Min。
Claims (7)
1.一种回火胎圈钢丝加工方法,其特征在于包括以下步骤:
(1)表面处理:将钢丝用汽油浸泡,再用压缩空气吹干;利用碱液对钢丝进行电解碱洗,之后对钢丝进行化学酸洗,再之后对钢丝进行超声波水洗;
(2)第一次拉拔:利用卷筒连接钢丝,并通过拉丝模进行拉拔,拉拔的总压缩比为20%-30%,平均压缩比为10%-15%,拉拔速度4m/s-6m/s,循环冷却水40-50℃;
(3)热处理:使得钢丝通过明火炉,明火炉温度设定1000-1100℃,钢丝从明火炉出来进入铅槽冷却,铅淬火温度设定550-600℃,钢丝在铅槽液中停留时间55-65秒,然后进行酸洗和涂硼处理;
(4)第二次拉拔:采用模具拉拔,拉拔速度10-15m/s,循环冷却水40-60℃,平均压缩比约为15%-20%;
(5)镀铜:镀液铜浓度0.2-0.7%,镀液锡浓度0.02-0.04%,温度20-45℃,镀铜后进行回火处理,回火温度410-450℃,钢丝在铅槽液回火时间约1.5-2秒,然后进行酸洗和清洗后烘干即得。
2.如权利要求1所述的回火胎圈钢丝加工方法,其特征在于:
所述的碱液为包含如下成分浓度的水溶液:氢氧化钠15-25g/L、碳酸钠10-15g/L、碳酸氢钠2-6g/L。
3.如权利要求1所述的回火胎圈钢丝加工方法,其特征在于:
所述的超声波水洗的功率为1800-2300W、频率为23-30kHz。
4.根据权利要求1所述的胎圈钢丝的镀前处理方法,其特征在于:电解碱洗的条件为温度为70-85℃、电流密度50-100A/dm2、处理时间3-5s。
5.根据权利要求1所述的胎圈钢丝的镀前处理方法,其特征在于:化学酸洗的条件为温度10-20℃、时间15-30s。
6.如权利要求1所述的回火胎圈钢丝加工方法,其特征在于:
所述的步骤(2)的酸洗和涂硼处理,其盐酸浓度12-25%,盐酸温度40-70℃,硼砂浓度20-35%,硼砂温度70-90℃,酸洗涂硼后烘干,烘箱温度110-150℃,烘干时缠绕速度13-16m/Min。
7.如权利要求1所述的回火胎圈钢丝加工方法,其特征在于:
所述的步骤(5)的酸洗处理,其盐酸浓度15-20%,盐酸温度50-80℃,酸洗后烘干,烘箱温度130-150℃,烘干时缠绕速度12-14m/Min。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810695297.6A CN108913849A (zh) | 2018-06-29 | 2018-06-29 | 一种回火胎圈钢丝的加工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810695297.6A CN108913849A (zh) | 2018-06-29 | 2018-06-29 | 一种回火胎圈钢丝的加工方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108913849A true CN108913849A (zh) | 2018-11-30 |
Family
ID=64423071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810695297.6A Pending CN108913849A (zh) | 2018-06-29 | 2018-06-29 | 一种回火胎圈钢丝的加工方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108913849A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109576468A (zh) * | 2018-12-25 | 2019-04-05 | 重庆强劲金属制品有限责任公司 | 一种钢丝的生产淬火工艺 |
WO2021217952A1 (zh) * | 2020-04-30 | 2021-11-04 | 苏州强新合金材料科技有限公司 | 一种钢类线材酸洗工艺 |
CN114102055A (zh) * | 2021-10-22 | 2022-03-01 | 江苏胜达科技有限公司 | 高承载性矿山轮胎用钢丝内圈加工机械及其加工工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102049427A (zh) * | 2009-11-09 | 2011-05-11 | 上海天轮钢丝有限公司 | 一种Φ2.40mmHT回火胎圈钢丝加工方法 |
-
2018
- 2018-06-29 CN CN201810695297.6A patent/CN108913849A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102049427A (zh) * | 2009-11-09 | 2011-05-11 | 上海天轮钢丝有限公司 | 一种Φ2.40mmHT回火胎圈钢丝加工方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109576468A (zh) * | 2018-12-25 | 2019-04-05 | 重庆强劲金属制品有限责任公司 | 一种钢丝的生产淬火工艺 |
WO2021217952A1 (zh) * | 2020-04-30 | 2021-11-04 | 苏州强新合金材料科技有限公司 | 一种钢类线材酸洗工艺 |
CN114102055A (zh) * | 2021-10-22 | 2022-03-01 | 江苏胜达科技有限公司 | 高承载性矿山轮胎用钢丝内圈加工机械及其加工工艺 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108913849A (zh) | 一种回火胎圈钢丝的加工方法 | |
CN108930044A (zh) | 胎圈钢丝的加工方法 | |
KR100887710B1 (ko) | 알루미늄튜브 및 그 제조방법 | |
CN207495222U (zh) | 一种经过拉拔软化退火后线材的处理设备 | |
CN102719785A (zh) | 一种铜包钢钢丝基体前处理的生产工艺 | |
CN110257808A (zh) | 一种镀锡铜线的加工方法 | |
CN111082004A (zh) | 一种锂铜复合箔的制备方法 | |
CN107502901A (zh) | 一种胎圈钢丝的加工方法 | |
CN106328880A (zh) | 易上锡型极耳的表面处理方法 | |
CN115155914B (zh) | 一种汽车密封条产品线下喷漆方法及喷涂流水线 | |
CN106424199A (zh) | 热轧盘条直接磷化工艺 | |
CN101402273A (zh) | 一种汽车用地毯隔音垫复合层基材的生产方法 | |
CN102888691B (zh) | 一种羊毛牵伸细化工艺 | |
CN106835091B (zh) | 一种提高不锈钢耐腐蚀性和抗菌性的处理方法 | |
WO2020224592A1 (zh) | 焊丝分展式镀铜去碱装置及其工艺 | |
CN111074312A (zh) | 一种逆变器母线端子的局部电镀工艺 | |
CN112010296A (zh) | 卤化氢还原氧化石墨烯膜的除杂方法、还原氧化石墨烯膜、石墨烯导热膜及其制备方法 | |
CN112453352A (zh) | 一种柔性扁带连铸铜覆钢的制备方法 | |
CN106835104B (zh) | 一种不锈钢的发黑处理方法 | |
CN106637325A (zh) | 电磁附加的铜铝复合导线制备装置 | |
CN103789778A (zh) | 用于钢丝酸洗液中的表面活性剂 | |
JP2014185360A (ja) | スチールワイヤの製造方法 | |
CN220812574U (zh) | 一种铜丝拉线退火装置 | |
CN108538515A (zh) | 一种漆包线加工工艺 | |
CN107900789A (zh) | 一种镀锌拉丝彩涂板制造工艺、镀锌拉丝彩涂板制造装置 |
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 | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181130 |