CN111842531A - 一种高强度六角钢拉拔成型工艺 - Google Patents
一种高强度六角钢拉拔成型工艺 Download PDFInfo
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- 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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
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- 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
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- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
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Abstract
本发明公开了一种高强度六角钢拉拔成型工艺,包括如下步骤:步骤一:选取钢材;步骤二:表面酸洗;步骤三:滚模拉拔;步骤四:退火;步骤五:酸洗磷化;步骤六:异形钨钢模拉拔;步骤七:校直切尾。本发明能够有效提升高强度六角钢产品的工艺精度和表面质量,提高成材率和工作效率。
Description
【技术领域】
本发明涉及型材加工的技术领域,特别是一种高强度六角钢拉拔成型工艺的技术领域。
【背景技术】
由于高强度冷拔钢材的强度高,在冷拔过程中成型困难,易损坏模具而降低产品的工艺精度和表面质量,同时因为钢材的强度高,容易造成钢材在冷拔过程中被拉断,从而降低成材率和工作效率。
【发明内容】
本发明的目的就是解决现有技术中的问题,提出一种高强度六角钢拉拔成型工艺,能够有效提升高强度六角钢产品的工艺精度和表面质量,提高成材率和工作效率。
为实现上述目的,本发明提出了一种高强度六角钢拉拔成型工艺,包括如下步骤:
步骤一:选取钢材,对钢材的表面进行打磨清理,去除表面浮尘毛刺,并对钢材一端进行轧尖;
步骤二:表面酸洗,选用亚酸溶液对步骤一选取的钢材钢材进行浸泡清洗;
步骤三:滚模拉拔,将步骤二清洗后的钢材引导入异形活动活动模的异形滚轮之间进行滚模拉拔;
步骤四:退火,对步骤三处理后的钢材进行退火处理;
步骤五:酸洗磷化,将步骤四处理后的钢材浸泡在酸洗池内进行磷化处理;
步骤六:异形钨钢模拉拔,将步骤五处理后的钢材导入异形钨钢模的模孔进行拉拔;
步骤七:校直切尾,对步骤六处理后的钢材进行校直,将钢材两端尾部平整切除,得到高强度六角钢拉拔成型成品。
作为优选,所述步骤二的酸洗过程中采用超声波震荡加速清洗,酸洗液温度为20-22℃。
作为优选,所述步骤三滚模拉拔的次数为两次。
作为优选,所述步骤四、步骤五和步骤六的工序依次循环进行三次。
作为优选,所述步骤四退火中将钢材加热到800-900℃,保温15-20min,冷却至400-500℃,保温20-25min,然后以30℃/min的速率冷却至室温。
作为优选,所述步骤四退火过程中通入氮气进行隔离防护。
作为优选,所述酸洗磷化过程中的溶液温度为50-60℃。
作为优选,所述步骤七中的校直方式为点压校直。
本发明的有益效果:本发明能够有效提升高强度六角钢产品的工艺精度和表面质量,提高成材率和工作效率。
本发明的特征及优点将通过实施例进行详细说明。
【具体实施方式】
本发明一种高强度六角钢拉拔成型工艺,包括如下步骤:
步骤一:选取钢材,对钢材的表面进行打磨清理,去除表面浮尘毛刺,并对钢材一端进行轧尖;
步骤二:表面酸洗,选用亚酸溶液对步骤一选取的钢材钢材进行浸泡清洗;
步骤三:滚模拉拔,将步骤二清洗后的钢材引导入异形活动活动模的异形滚轮之间进行滚模拉拔;
步骤四:退火,对步骤三处理后的钢材进行退火处理;
步骤五:酸洗磷化,将步骤四处理后的钢材浸泡在酸洗池内进行磷化处理;
步骤六:异形钨钢模拉拔,将步骤五处理后的钢材导入异形钨钢模的模孔进行拉拔;
步骤七:校直切尾,对步骤六处理后的钢材进行校直,将钢材两端尾部平整切除,得到高强度六角钢拉拔成型成品,所述步骤二的酸洗过程中采用超声波震荡加速清洗,酸洗液温度为20-22℃,所述步骤三滚模拉拔的次数为两次,所述步骤四、步骤五和步骤六的工序依次循环进行三次,所述步骤四退火中将钢材加热到800-900℃,保温15-20min,冷却至400-500℃,保温20-25min,然后以30℃/min的速率冷却至室温,所述步骤四退火过程中通入氮气进行隔离防护,所述酸洗磷化过程中的溶液温度为50-60℃,所述步骤七中的校直方式为点压校直。
本发明能够有效提升高强度六角钢产品的工艺精度和表面质量,提高成材率和工作效率。
上述实施例是对本发明的说明,不是对本发明的限定,任何对本发明简单变换后的方案均属于本发明的保护范围。
Claims (8)
1.一种高强度六角钢拉拔成型工艺,其特征在于:包括如下步骤:
步骤一:选取钢材,对钢材的表面进行打磨清理,去除表面浮尘毛刺,并对钢材一端进行轧尖;
步骤二:表面酸洗,选用亚酸溶液对步骤一选取的钢材钢材进行浸泡清洗;
步骤三:滚模拉拔,将步骤二清洗后的钢材引导入异形活动活动模的异形滚轮之间进行滚模拉拔;
步骤四:退火,对步骤三处理后的钢材进行退火处理;
步骤五:酸洗磷化,将步骤四处理后的钢材浸泡在酸洗池内进行磷化处理;
步骤六:异形钨钢模拉拔,将步骤五处理后的钢材导入异形钨钢模的模孔进行拉拔;
步骤七:校直切尾,对步骤六处理后的钢材进行校直,将钢材两端尾部平整切除,得到高强度六角钢拉拔成型成品。
2.如权利要求1所述的一种高强度六角钢拉拔成型工艺,其特征在于:所述步骤二的酸洗过程中采用超声波震荡加速清洗,酸洗液温度为20-22℃。
3.如权利要求1所述的一种高强度六角钢拉拔成型工艺,其特征在于:所述步骤三滚模拉拔的次数为两次。
4.如权利要求1所述的一种高强度六角钢拉拔成型工艺,其特征在于:所述步骤四、步骤五和步骤六的工序依次循环进行三次。
5.如权利要求1所述的一种高强度六角钢拉拔成型工艺,其特征在于:所述步骤七中的校直方式为点压校直。
6.如权利要求1所述的一种高强度六角钢拉拔成型工艺,其特征在于:所述步骤四退火中将钢材加热到800-900℃,保温15-20min,冷却至400-500℃,保温20-25min,然后以30℃/min的速率冷却至室温。
7.如权利要求1所述的一种高强度六角钢拉拔成型工艺,其特征在于:所述步骤四退火过程中通入氮气进行隔离防护。
8.如权利要求1所述的一种高强度六角钢拉拔成型工艺,其特征在于:所述酸洗磷化过程中的溶液温度为50-60℃。
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Citations (5)
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JP2008290108A (ja) * | 2007-05-24 | 2008-12-04 | Sumitomo Electric Ind Ltd | 電線加工用のダイス及び異形電線 |
CN102407242A (zh) * | 2010-09-20 | 2012-04-11 | 宝山钢铁股份有限公司 | 一种异型轴承钢棒材的冷拔方法 |
CN103480671A (zh) * | 2013-10-22 | 2014-01-01 | 无锡天辰冷拉型钢有限公司 | 一种六角型钢冷拔模具 |
CN106563701A (zh) * | 2016-11-11 | 2017-04-19 | 重庆方略精控金属制品有限公司 | 一种冷拉丝的加工工艺 |
CN106734272A (zh) * | 2016-12-28 | 2017-05-31 | 东莞市科力钢铁线材有限公司 | 自行车变速器用截面不对称异形线生产加工工艺 |
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- 2020-07-23 CN CN202010716015.3A patent/CN111842531A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008290108A (ja) * | 2007-05-24 | 2008-12-04 | Sumitomo Electric Ind Ltd | 電線加工用のダイス及び異形電線 |
CN102407242A (zh) * | 2010-09-20 | 2012-04-11 | 宝山钢铁股份有限公司 | 一种异型轴承钢棒材的冷拔方法 |
CN103480671A (zh) * | 2013-10-22 | 2014-01-01 | 无锡天辰冷拉型钢有限公司 | 一种六角型钢冷拔模具 |
CN106563701A (zh) * | 2016-11-11 | 2017-04-19 | 重庆方略精控金属制品有限公司 | 一种冷拉丝的加工工艺 |
CN106734272A (zh) * | 2016-12-28 | 2017-05-31 | 东莞市科力钢铁线材有限公司 | 自行车变速器用截面不对称异形线生产加工工艺 |
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