CN112853067A - 一种异形截面油淬火-回火弹簧钢丝制备工艺 - Google Patents
一种异形截面油淬火-回火弹簧钢丝制备工艺 Download PDFInfo
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- 229910000639 Spring steel Inorganic materials 0.000 title claims abstract description 22
- 238000005496 tempering Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 18
- 238000005554 pickling Methods 0.000 claims abstract description 17
- 238000010791 quenching Methods 0.000 claims abstract description 15
- 230000000171 quenching effect Effects 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- MFXMOUUKFMDYLM-UHFFFAOYSA-L zinc;dihydrogen phosphate Chemical compound [Zn+2].OP(O)([O-])=O.OP(O)([O-])=O MFXMOUUKFMDYLM-UHFFFAOYSA-L 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 4
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 4
- 102100029674 E3 ubiquitin-protein ligase TRIM9 Human genes 0.000 description 3
- 101000795280 Homo sapiens E3 ubiquitin-protein ligase TRIM9 Proteins 0.000 description 3
- 101000588012 Homo sapiens SREBP regulating gene protein Proteins 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
-
- 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
- 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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
-
- 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
- C23G1/081—Iron or steel solutions containing H2SO4
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
本发明提供了一种异形截面油淬火‑回火弹簧钢丝制备工艺，其包括以下步骤：将直径为5.5‑6.5mm的热轧线材进行酸洗磷化处理；拉拔；轧制成型；油淬火处理；调直，收线。该制备工艺可以有效降低用弹簧钢丝的力值衰减，提高其疲劳寿命。
Description
技术领域
本发明涉及了一种钢丝制备工艺，具体的说，涉及了一种异形截面油淬火-回火弹簧钢丝制备工艺。
背景技术
弹簧钢丝是用于做弹簧(SPRING)或钢丝型件(WIRE FORM)的一种钢丝。通常弹簧是由截面为圆形的钢丝线材制成的，但是钢丝线材的截面圆周上不仅受到线材弯曲形成的扭转力，还受到剪切力作用，使得弹簧线圈容易产生裂纹，采用异形截面的钢丝线材制备弹簧可以减小钢丝线材截面的受力偏差，提高弹簧的质量。但是，目前我国市场上的这种异形截面弹簧钢丝主要依靠进口，因此，研发一种异形截面弹簧钢丝的制备工艺具有重要意义。
发明内容
本发明的目的是针对现有技术的不足，从而提供一种异形截面油淬火-回火弹簧钢丝制备工艺。
为了实现上述目的，本发明所采用的技术方案是：
一种异形截面油淬火-回火弹簧钢丝制备工艺，其包括以下步骤：
(1)将直径为5.5-6.5mm的热轧线材进行酸洗磷化处理；
(2)拉拔；
(3)轧制成型；
(4)油淬火处理；
(5)调直，收线。
基于上述，所述轧制成型的步骤中，采用四联轧辊和两联轧辊通过多道次轧制，轧制后线材的截面为椭圆形、矩形或三角形。
基于上述，所述一次酸洗磷化处理步骤中，酸洗液为质量分数为15％-25％的稀硫酸或稀盐酸，酸洗温度为70-75℃，酸洗时间为15-30min；磷化液为15-20％的磷酸二氢锌溶液，磷化温度为60-70℃，磷化时间为10-15min。
基于上述，所述油淬火处理的步骤中，加热至830-870℃，保温5-10s，采用油淬火介质快速冷却到100-150℃，然后自然冷却。
基于上述，磷酸二氢锌溶液中含有2％-3％过氧化氢和4-6％羟基乙叉二膦酸。
本发明相对现有技术具有突出的实质性特点和显著进步，具体的说，本发明提供一种异形截面油淬火-回火弹簧钢丝制备工艺，先拉拔形成半成品，然后轧制成型，进行热处理充分保证钢丝抗拉强度的通条性一致、钢丝肌体组织一致，有效降低用弹簧钢丝的力值衰减，提高其疲劳寿命。
具体实施方式
下面通过具体实施方式，对本发明的技术方案做进一步的详细描述。
实施例1
一种异形截面油淬火-回火弹簧钢丝制备工艺，其包括以下步骤：
(1)将直径为5.5mm的热轧线材进行酸洗磷化处理；
(2)拉拔至2.2*5mm；
(3)轧制成型；
(4)油淬火处理；
(5)调直，收线。
具体的，热轧线材采用55SiCr弹簧钢热轧线材，所述轧制成型的步骤中，采用两联轧辊通过多道次轧制，轧制后线材的截面为矩形。所述一次酸洗磷化处理步骤中，酸洗液为质量分数为18％的稀硫酸，酸洗温度为70-75℃，酸洗时间为15min；磷化液为15％的磷酸二氢锌溶液，磷化温度为60-70℃，磷化时间为10min。所述油淬火处理的步骤中，加热至830-870℃，保温7s，采用油淬火介质快速冷却到100℃以下，然后自然冷却。磷酸二氢锌溶液中含有2％过氧化氢和4％羟基乙叉二膦酸。
本实施例制得弹簧钢丝的抗拉强度为1930MPA，疲劳寿命为2.3×107次。
实施例2
一种异形截面油淬火-回火弹簧钢丝制备工艺，其包括以下步骤：
(1)将直径为6.5mm的热轧线材进行酸洗磷化处理；
(2)拉拔至2.2*5mm；
(3)轧制成型；
(4)油淬火处理；
(5)调直，收线。
具体的，热轧线材采用55SiCr弹簧钢热轧线材，所述轧制成型的步骤中，采用四联轧辊通过多道次轧制，轧制后线材的截面为椭圆形。所述一次酸洗磷化处理步骤中，酸洗液为质量分数为20％的稀盐酸，酸洗温度为70-75℃，酸洗时间为20min；磷化液为20％的磷酸二氢锌溶液，磷化温度为60-70℃，磷化时间为15min。所述油淬火处理的步骤中，加热至830-870℃，保温10s，采用油淬火介质快速冷却到100℃，然后自然冷却。磷酸二氢锌溶液中含有3％过氧化氢和6％羟基乙叉二膦酸。
本实施例制得弹簧钢丝的抗拉强度为1990MPA，疲劳寿命为2.1×107次。
最后应当说明的是：以上实施例仅用以说明本发明的技术方案而非对其限制；尽管参照较佳实施例对本发明进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本发明的具体实施方式进行修改或者对部分技术特征进行等同替换；而不脱离本发明技术方案的精神，其均应涵盖在本发明请求保护的技术方案范围当中。
Claims (5)
1.一种异形截面油淬火-回火弹簧钢丝制备工艺，其包括以下步骤：
(1)将直径为5.5-6.5mm的热轧线材进行酸洗磷化处理；
(2)拉拔；
(3)轧制成型；
(4)油淬火处理；
(5)调直，收线。
2.根据权利要求1所述的异形截面油淬火-回火弹簧钢丝制备工艺，其特征在于：所述轧制成型的步骤中，采用四联轧辊和两联轧辊通过多道次轧制，轧制后线材的截面为椭圆形、矩形或三角形。
3.根据权利要求1或2所述的异形截面油淬火-回火弹簧钢丝制备工艺，其特征在于：所述一次酸洗磷化处理步骤中，酸洗液为质量分数为15％-25％的稀硫酸或稀盐酸，酸洗温度为70-75℃，酸洗时间为15-30min；磷化液为15-20％的磷酸二氢锌溶液，磷化温度为60-70℃，磷化时间为10-15min。
4.根据权利要求3所述的异形截面油淬火-回火弹簧钢丝制备工艺，其特征在于：所述油淬火处理的步骤中，加热至830-870℃，保温5-10s，采用油淬火介质快速冷却到100-150℃，然后自然冷却。
5.根据权利要求4所述的异形截面油淬火-回火弹簧钢丝制备工艺，其特征在于：磷酸二氢锌溶液中含有2％-3％过氧化氢和4-6％羟基乙叉二膦酸。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309123A (zh) * | 2021-11-24 | 2022-04-12 | 铃木加普腾钢丝（苏州）有限公司 | 汽车离合器梯形油淬火碳钢拉拔成型工艺 |
| CN114769351A (zh) * | 2022-03-30 | 2022-07-22 | 厦门立洲五金弹簧有限公司 | 一种高应力弹簧制造工艺 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114309123A (zh) * | 2021-11-24 | 2022-04-12 | 铃木加普腾钢丝（苏州）有限公司 | 汽车离合器梯形油淬火碳钢拉拔成型工艺 |
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| CN114769351A (zh) * | 2022-03-30 | 2022-07-22 | 厦门立洲五金弹簧有限公司 | 一种高应力弹簧制造工艺 |
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