CN112877509A - 一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法 - Google Patents
一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法 Download PDFInfo
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 16
- 239000010935 stainless steel Substances 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 238000002161 passivation Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 238000005491 wire drawing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000011265 semifinished product Substances 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- BRWIZMBXBAOCCF-UHFFFAOYSA-N hydrazinecarbothioamide Chemical compound NNC(N)=S BRWIZMBXBAOCCF-UHFFFAOYSA-N 0.000 claims description 6
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000001509 sodium citrate Substances 0.000 claims description 6
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 6
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 230000005389 magnetism Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
-
- 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
- C21D1/76—Adjusting the composition of the atmosphere
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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
- 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
- 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
- C23C22/05—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 using aqueous solutions
- C23C22/06—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 using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/42—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 using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
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Abstract
本发明公开了一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,包括以下步骤:S1拉丝、S2冷镦、S3搓丝、S4一次清洗、S5热处理、S6二次清洗、S7钝化、S8三次清洗、S9包装。本发明通过将YUS550线材为原料,使得制得的钻尾螺丝具有较高的强度,且耐腐蚀性能优异,使得螺丝具有更好的适应性;经过热处理后的螺丝具有很好的无磁性,可满足无磁环境的需求。
Description
【技术领域】
本发明涉及紧固件的技术领域,特别是钻尾螺丝的制造方法的技术领域。
【背景技术】
钻尾螺丝是一种常用的螺丝,其在使用前无需再物体上进行钻孔,可自行钻入物体内。现有的钻尾螺丝其强度和耐腐蚀性能不够理想,不能够很好的满足需求。
【发明内容】
本发明的目的就是解决现有技术中的问题,提出一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,能够使钻尾螺丝具有高强度、高耐腐蚀性。
为实现上述目的,本发明提出了一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,包括以下步骤:
S1拉丝:以YUS550线材为原料在拉丝机上进行拉丝,得到尺寸合适的坯料;
S2冷镦:将坯料在冷镦机上进行冷镦处理,得到螺丝毛坯;
S3搓丝:将螺丝毛坯在搓丝机上进行搓丝处理,得到螺丝半成品;
S4一次清洗:将螺丝半成品进行清洗并烘干;
S5热处理:将清洗后的螺丝半成品放入不锈钢专业工业电炉进行热处理,加热速度控制在20℃-30℃/min,达到1000℃-1100℃后保温30min-60min,然后在电炉中以20℃-30℃/min的速度降至室温;
S6二次清洗:将经过热处理后的螺丝半成品进气清洗并烘干;
S7钝化:将经过二次清洗的螺丝半成品放入到钝化液中进行钝化,钝化液包括钼酸盐、氨基磺酸盐、有机磷酸、柠檬酸钠、苯并三氮唑、氨基硫脲、双氧水、PH调节剂;
S8三次清洗:将经过钝化的螺丝进行清洗并烘干;
S9包装:对螺丝进行检验后进行包装、入库处理。
作为优选,所述步骤S5热处理过程中电炉内使用氨气和氮气作为保护气体,氨气和氮气采用气体分解的方式得到。
作为优选,所述步骤S7钝化中钝化温度为40℃-45℃,钝化时长为15min-20min。
作为优选,所述步骤步骤S7钝化中钝化液包括钼酸盐21-30g/L、氨基磺酸盐2-5g/L、有机磷酸2-5g/L、柠檬酸钠20-25g/L、苯并三氮唑3-8g/L、氨基硫脲2-3g/L、双氧水1-3g/L。
作为优选,所述步骤步骤S7钝化中PH调节剂为氢氧化钠、碳酸氢钠、氨水的混合物。
作为优选,所述步骤S4一次清洗、步骤S6二次清洗、步骤S8三次清洗均在清洗烘干一体机中完成。
本发明的有益效果:本发明通过将YUS550线材为原料,使得制得的钻尾螺丝具有较高的强度,且耐腐蚀性能优异,使得螺丝具有更好的适应性;经过热处理后的螺丝具有很好的无磁性,可满足无磁环境的需求。
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】
本发明一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,包括以下步骤:S1拉丝:以YUS550线材为原料在拉丝机上进行拉丝,得到尺寸合适的坯料;
S2冷镦:将坯料在冷镦机上进行冷镦处理,得到螺丝毛坯;
S3搓丝:将螺丝毛坯在搓丝机上进行搓丝处理,得到螺丝半成品;
S4一次清洗:将螺丝半成品进行清洗并烘干;
S5热处理:将清洗后的螺丝半成品放入不锈钢专业工业电炉进行热处理,加热速度控制在20℃-30℃/min,达到1000℃-1100℃后保温30min-60min,然后在电炉中以20℃-30℃/min的速度降至室温;
S6二次清洗:将经过热处理后的螺丝半成品进气清洗并烘干;
S7钝化:将经过二次清洗的螺丝半成品放入到钝化液中进行钝化,钝化液包括钼酸盐、氨基磺酸盐、有机磷酸、柠檬酸钠、苯并三氮唑、氨基硫脲、双氧水、PH调节剂;
S8三次清洗:将经过钝化的螺丝进行清洗并烘干;
S9包装:对螺丝进行检验后进行包装、入库处理。
所述步骤S5热处理过程中电炉内使用氨气和氮气作为保护气体,氨气和氮气采用气体分解的方式得到,所述步骤S7钝化中钝化温度为40℃-45℃,钝化时长为15min-20min,所述步骤步骤S7钝化中钝化液包括钼酸盐21-30g/L、氨基磺酸盐2-5g/L、有机磷酸2-5g/L、柠檬酸钠20-25g/L、苯并三氮唑3-8g/L、氨基硫脲2-3g/L、双氧水1-3g/L,所述步骤步骤S7钝化中PH调节剂为氢氧化钠、碳酸氢钠、氨水的混合物,所述步骤S4一次清洗、步骤S6二次清洗、步骤S8三次清洗均在清洗烘干一体机中完成。
本发明工作过程:
本发明一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法在工作过程中,YUS550线材为原料,使得制得的钻尾螺丝具有较高的强度,且耐腐蚀性能优异,使得螺丝具有更好的适应性;经过热处理后的螺丝具有很好的无磁性,可满足无磁环境的需求。
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 (6)
1.一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,其特征在于:包括以下步骤:
S1拉丝:以YUS550线材为原料在拉丝机上进行拉丝,得到尺寸合适的坯料;S2冷镦:将坯料在冷镦机上进行冷镦处理,得到螺丝毛坯;
S3搓丝:将螺丝毛坯在搓丝机上进行搓丝处理,得到螺丝半成品;
S4一次清洗:将螺丝半成品进行清洗并烘干;
S5热处理:将清洗后的螺丝半成品放入不锈钢专业工业电炉进行热处理,加热速度控制在20℃-30℃/min,达到1000℃-1100℃后保温30min-60min,然后在电炉中以20℃-30℃/min的速度降至室温;
S6二次清洗:将经过热处理后的螺丝半成品进气清洗并烘干;
S7钝化:将经过二次清洗的螺丝半成品放入到钝化液中进行钝化,钝化液包括钼酸盐、氨基磺酸盐、有机磷酸、柠檬酸钠、苯并三氮唑、氨基硫脲、双氧水、PH调节剂;
S8三次清洗:将经过钝化的螺丝进行清洗并烘干;
S9包装:对螺丝进行检验后进行包装、入库处理。
2.如权利要求1所述的一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,其特征在于:所述步骤S5热处理过程中电炉内使用氨气和氮气作为保护气体,氨气和氮气采用气体分解的方式得到。
3.如权利要求1所述的一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,其特征在于:所述步骤S7钝化中钝化温度为40℃-45℃,钝化时长为15min-20min。
4.如权利要求1所述的一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,其特征在于:所述步骤步骤S7钝化中钝化液包括钼酸盐21-30g/L、氨基磺酸盐2-5g/L、有机磷酸2-5g/L、柠檬酸钠20-25g/L、苯并三氮唑3-8g/L、氨基硫脲2-3g/L、双氧水1-3g/L。
5.如权利要求1所述的一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,其特征在于:所述步骤步骤S7钝化中PH调节剂为氢氧化钠、碳酸氢钠、氨水的混合物。
6.如权利要求1所述的一种高强度高耐腐蚀不锈钢钻尾螺丝的制造方法,其特征在于:所述步骤S4一次清洗、步骤S6二次清洗、步骤S8三次清洗均在清洗烘干一体机中完成。
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CN111644807A (zh) * | 2020-04-25 | 2020-09-11 | 上海宏挺紧固件制造有限公司 | 内六角螺丝加工工艺 |
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