CN107739996A - 高强度弹簧及其加工工艺 - Google Patents
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Abstract
本发明涉及一种高强度弹簧,该高强度弹簧中成分为:C,Al,Mg,Y,Zr,Sn,Zn,Si,Mn,S,P,Cr,Ni,Cu,V,Mo,Ti,B,Pd,Pt,W,Ta,Nd,Ce,Lu,Fe。本发明的高强度弹簧弹性大,耐腐蚀性能好,使用寿命长。通过本发明的高强度弹簧的加工工艺,特别是其中的热处理工艺,可使簧丝表面层产生与工作应力相反的残余应力,受载时可抵消部分工作应力,增加使用寿命。
Description
技术领域
本发明公开了一种高强度弹簧及其加工工艺。
背景技术
弹簧是一种广泛使用的弹性元件,用弹性材料制成的零件在外力作用下发生形变,除去外力后又恢复原状,其外形多为圆柱形,生产加工可分为冷卷成形和热卷成形,亦作“弹簧”。弹簧为了与其装配空间更好地吻合,也有设计为非圆柱形的,如汽车双质量飞轮用的弹簧为弧形弹簧。弹簧的种类复杂多样,按形状分,主要有螺旋弹簧、涡卷弹簧、板弹簧、异型弹簧等。
弹簧在现在的应用中非常的普遍,各行各业根据不同的用途采用不同强度刚度和使用寿命的弹簧。现有的弹簧强度低,使用寿命短,并且容易腐蚀生锈。
发明内容
2.本发明解决其技术问题所采用的技术方案是:一种高强度弹簧,其特征在于:所述高强度弹簧中各成分的质量百分比为:C:2%,Al:1.2%,Mg:0.15%,Y:0.18%,Zr:0.27%,Sn:0.25%,Zn:0.12%,Si:0.23%,Mn:0.25%,S:0.14%,P:1%,Cr:0.23%,Ni:1.25%,Cu:1.20%,V:0.12%,Mo:0.5%,Ti:0.6%,B:0.1%,Pd:0.1%,Pt:0.11%,W:0.12%,Ta:0.23%,Nd:1.2%,Ce:0.44%,Lu:0.13%,余量为Fe。
本发明的目的之一还在于提供本发明所述高强度弹簧的加工工艺,包括如下步骤:
㈠下料:气割原料确定长度,修磨切割面;
㈡锻尖:利用锻打的方式将弹簧丝的两端头从圆截面过渡到矩形截面;
㈢热卷:将锻尖后的弹簧丝加热到1000-1200℃,安照预定的高度、外径和圈数进行热卷,保温时间为80-90分钟;
㈣热处理:采用淬火-加热-回火的热处理工艺;
㈤强压处理:把弹簧压至要求高度,停放15—30h,然后放开;
㈥抛丸处理:将弹簧进行至少3次抛丸处理;
㈦探伤处理;
㈧电镀:在弹簧表面通过电镀镀锌,镀层厚度为10-12微米。
本发明的有益效果是:(1)本发明的高强度弹簧弹性大,耐腐蚀性能好,使用寿命长;(2)通过本发明的高强度弹簧的加工工艺,特别是其中的热处理工艺,可控制弹簧横向与纵向凹陷造成的表面裂纹,并可使簧丝表面层产生与工作应力相反的残余应力,受载时可抵消部分工作应力,增加使用寿命。
具体实施方式
具体实施例:一种高强度弹簧,其特征在于:所述高强度弹簧中各成分的质量百分比为:C:2%,Al:1.2%,Mg:0.15%,Y:0.18%,Zr:0.27%,Sn:0.25%,Zn:0.12%,Si:0.23%,Mn:0.25%,S:0.14%,P:1%,Cr:0.23%,Ni:1.25%,Cu:1.20%,V:0.12%,Mo:0.5%,Ti:0.6%,B:0.1%,Pd:0.1%,Pt:0.11%,W:0.12%,Ta:0.23%,Nd:1.2%,Ce:0.44%,Lu:0.13%,余量为Fe。
本发明的目的之一还在于提供本发明所述高强度弹簧的加工工艺,包括如下步骤:
㈠下料:气割原料确定长度,修磨切割面;
㈡锻尖:利用锻打的方式将弹簧丝的两端头从圆截面过渡到矩形截面;
㈢热卷:将锻尖后的弹簧丝加热到1000-1200℃,安照预定的高度、外径和圈数进行热卷,保温时间为80-90分钟;
㈣热处理:采用淬火-加热-回火的热处理工艺;
㈤强压处理:把弹簧压至要求高度,停放15—30h,然后放开;
㈥抛丸处理:将弹簧进行至少3次抛丸处理;
㈦探伤处理;
㈧电镀:在弹簧表面通过电镀镀锌,镀层厚度为10-12微米。
本发明的有益效果是:(1)本发明的高强度弹簧弹性大,耐腐蚀性能好,使用寿命长;(2)通过本发明的高强度弹簧的加工工艺,特别是其中的热处理工艺,可控制弹簧横向与纵向凹陷造成的表面裂纹,并可使簧丝表面层产生与工作应力相反的残余应力,受载时可抵消部分工作应力,增加使用寿命。
显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。
Claims (2)
1.一种高强度弹簧,其特征在于:所述高强度弹簧中各成分的质量百分比为:C:2%,Al:1.2%,Mg:0.15%,Y:0.18%,Zr:0.27%,Sn:0.25%,Zn:0.12%,Si:0.23%,Mn:0.25%,S:0.14%,P:1%,Cr:0.23%,Ni:1.25%,Cu:1.20%,V:0.12%,Mo:0.5%,Ti:0.6%,B:0.1%,Pd:0.1%,Pt:0.11%,W:0.12%,Ta:0.23%,Nd:1.2%,Ce:0.44%,Lu:0.13%,余量为Fe。
2.根据权利要求1所述高强度弹簧的加工工艺,其特征在于,包括如下步骤:
㈠下料:气割原料确定长度,修磨切割面;
㈡锻尖:利用锻打的方式将弹簧丝的两端头从圆截面过渡到矩形截面;
㈢热卷:将锻尖后的弹簧丝加热到1000-1200℃,安照预定的高度、外径和圈数进行热卷,保温时间为80-90分钟;
㈣热处理:采用淬火-加热-回火的热处理工艺;
㈤强压处理:把弹簧压至要求高度,停放15—30h,然后放开;
㈥抛丸处理:将弹簧进行至少3次抛丸处理;
㈦探伤处理;
㈧电镀:在弹簧表面通过电镀镀锌,镀层厚度为10-12微米。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03191040A (ja) * | 1989-12-20 | 1991-08-21 | Sanyo Electric Co Ltd | 水素吸蔵合金電極 |
CN105506471A (zh) * | 2015-12-09 | 2016-04-20 | 苏州市吴中区胥口丰收机械配件厂 | 一种高强度弹簧及其加工工艺 |
CN105745346A (zh) * | 2013-11-19 | 2016-07-06 | 新日铁住金株式会社 | 棒钢 |
CN106702279A (zh) * | 2016-12-09 | 2017-05-24 | 苏州陈恒织造有限公司 | 一种耐腐蚀抗磨损蒸丝定型箱体 |
CN106756546A (zh) * | 2016-12-12 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | 一种耐疲劳压缩弹簧的加工工艺 |
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2017
- 2017-10-18 CN CN201710973374.5A patent/CN107739996A/zh not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03191040A (ja) * | 1989-12-20 | 1991-08-21 | Sanyo Electric Co Ltd | 水素吸蔵合金電極 |
CN105745346A (zh) * | 2013-11-19 | 2016-07-06 | 新日铁住金株式会社 | 棒钢 |
CN105506471A (zh) * | 2015-12-09 | 2016-04-20 | 苏州市吴中区胥口丰收机械配件厂 | 一种高强度弹簧及其加工工艺 |
CN106702279A (zh) * | 2016-12-09 | 2017-05-24 | 苏州陈恒织造有限公司 | 一种耐腐蚀抗磨损蒸丝定型箱体 |
CN106756546A (zh) * | 2016-12-12 | 2017-05-31 | 苏州富艾姆工业设备有限公司 | 一种耐疲劳压缩弹簧的加工工艺 |
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