CN109594375A - 一种镀铬钢丝绳及其生产工艺 - Google Patents
一种镀铬钢丝绳及其生产工艺 Download PDFInfo
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Abstract
本发明公开一种镀铬钢丝绳,包括由若干根钢丝捻制而成的钢丝绳本体,所述钢丝的表面设置有镀铬层。本发明还公开一种镀铬钢丝绳的生产工艺,包括以下步骤:a、表面处理:对钢丝进行表面处理以去除钢丝表面的油脂、氧化物;b、拉丝:对表面处理后的钢丝进行拉丝处理,使得钢丝的直径达到所需规格;c、镀铬:对拉丝后的钢丝进行镀铬处理,以使得钢丝表面形成耐腐蚀、耐磨损的镀铬层;d、捻股:将钢丝以及股芯放入到捻股机当中进行捻股;e、合绳:捻股结束的物料送入到合绳机当中进行合绳。本发明通过在钢丝的表面设置镀铬层,使其具有极好的耐腐蚀性、耐热性,且镀铬层具有硬度高、耐磨性能好的特点,从而提高钢丝绳的使用寿命。
Description
技术领域
本发明涉及钢丝绳制造领域,尤其涉及一种镀铬钢丝绳及其生产工艺。
背景技术
钢丝绳是将力学性能、表面状况及几何尺寸均符合要求的钢丝,按照一定的规则及前后顺序捻制在一起的螺旋状钢丝束。目前,市场上的钢丝绳主要有光面钢丝绳、镀锌钢丝绳及不锈钢钢丝绳。其中,光面钢丝绳是指使用冷拉后的碳素钢丝,不经表面处理而直接捻制的钢丝绳。镀锌钢丝绳是指使用镀锌钢丝捻制而成的钢丝绳;不锈钢钢丝绳是指使用不锈钢材质的钢丝捻制而成的钢丝绳。由于光面钢丝绳、镀锌钢丝绳及不锈钢钢丝绳所使用的制绳钢丝均没有进行表面耐磨处理,其耐磨损性能较差;对于钢丝绳而言,在大气环境中使用的钢丝绳失效的主要原因是微动疲劳,腐蚀环境中使用的钢丝绳失效的主要原因是腐蚀疲劳,因此,如何提高钢丝绳的耐磨性及耐腐蚀性以提高钢丝绳的使用寿命是目前急需解决的技术难题。
发明内容
本发明的目的在于提供一种镀铬钢丝绳及其生产工艺,以解决现有钢丝绳使用寿命短的问题。
本发明的目的是通过以下技术方案来实现:
一种镀铬钢丝绳,包括由若干根钢丝捻制而成的钢丝绳本体,所述钢丝的表面设置有镀铬层。
作为本发明的一种优选方案,所述钢丝的表面还设置有中间层,所述镀铬层覆盖于中间层外部,所述中间层为镀铜层或镀镍层。
作为本发明的一种优选方案,所述镀铬层的厚度大于中间层的厚度。
作为本发明的一种优选方案,所述镀铬层的厚度为0.0001mm~0.8mm;进一步优选的,镀铬层的厚度为0.01mm~0.1mm。
作为本发明的一种优选方案,所述中间层的厚度为0.0001mm~0.5mm;进一步优选的,中间层的厚度为0.01mm~0.1mm。
一种用于生产上述镀铬钢丝绳的生产工艺,包括以下步骤:
a、表面处理:对钢丝进行表面处理以去除钢丝表面的油脂、氧化物;
b、拉丝:对表面处理后的钢丝进行拉丝处理,使得钢丝的直径达到所需规格;
c、镀铬:对拉丝后的钢丝进行镀铬处理,以使得钢丝表面形成耐腐蚀、耐磨损的镀铬层;
d、捻股:将钢丝以及股芯放入到捻股机当中进行捻股;
e、合绳:捻股结束的物料送入到合绳机当中进行合绳以得到镀铬钢丝绳。
作为本发明的一种优选方案,步骤c中,在进行镀铬处理前,先进行镀铜/镀镍处理,以使得钢丝表面形成镀铜层/镀镍层。
作为本发明的一种优选方案,采用电镀或化学镀对钢丝表面进行镀铬处理,采用电镀或化学镀对钢丝表面进行镀铜/镀镍处理。
作为本发明的一种优选方案,步骤a中的表面处理包括依次进行的如下工序:碱洗、水洗、酸洗、水洗。
作为本发明的一种优选方案,步骤b中的拉丝处理包括冷拔丝工序及热处理工序,所述冷拔丝工序、热处理工序依次交替进行并重复多次。
本发明的有益效果为:所述一种镀铬钢丝绳通过在钢丝的表面设置镀铬层,使其具有极好的耐腐蚀性、耐热性,且镀铬层具有硬度高、耐磨性能好的特点,从而大大提高钢丝绳的使用寿命,此外,镀铜层/镀镍层的设置,使得镀铬层能更好的与钢丝相结合,并牢牢的附着于钢丝上。
附图说明
图1为本发明钢丝的结构示意图;
图2为本发明镀铬钢丝绳生产工艺的流程图。
图中:
1、钢丝;2、中间层;3、镀铬层。
具体实施方式
下面结合附图并通过具体实施方式来进一步说明本发明的技术方案。可以理解的是,此处所描述的实施例仅仅用于解释本发明,而非对本发明的限定。
请参照图1所示,图1为本发明钢丝的结构示意图。
于本实施例中,一种镀铬钢丝绳,包括由若干根钢丝1捻制而成的钢丝绳本体,所述钢丝1的表面由内至外依次设置有中间层2、镀铬层3,所述镀铬层3的厚度大于中间层2的厚度,具体的,所述镀铬层3的厚度为0.1mm,所述中间层2为镀铜层,且中间层2的厚度为0.05mm。
值得一提的是,虽然本实施例中,镀铬层3的厚度为0.1mm,但是本发明不限于此,镀铬层3的厚度亦可以为0.0001mm或0.8mm或位于两者之间的任意数值;本发明是结合防腐性能、耐磨性能、成本之后的优选方案。
值得一提的是,虽然本实施例中,中间层2的厚度为0.05mm,但是本发明不限于此,中间层2的厚度亦可以为0.0001mm或0.5mm或位于两者之间的任意数值;中间层2的设置主要是为了提高镀铬层3与钢丝1的结合强度,因此,中间层2的厚度随镀铬层3厚度的变化而变化。
请参照图2所示,图2为本发明镀铬钢丝绳生产工艺的流程图。
于本实施例中,一种用于生产上述镀铬钢丝绳的生产工艺,包括以下步骤:
a、表面处理:对钢丝1进行表面处理以去除钢丝1表面的油脂、氧化物,表面处理包括依次进行的如下工序:碱洗、水洗、酸洗、水洗;
b、拉丝:对表面处理后的钢丝1进行拉丝处理,所述拉丝处理包括冷拔丝工序及热处理工序,所述冷拔丝工序、热处理工序依次交替进行并重复多次以使得钢丝1的直径达到所需规格;
c、镀铬:采用电镀方式对拉丝后的钢丝1进行镀铜处理以使得钢丝1表面形成镀铜层2,镀铜处理完成后再进行镀铬处理,以使得镀铜层2的外部形成有耐腐蚀、耐磨损的镀铬层3;
d、捻股:将钢丝1以及股芯放入到捻股机当中进行捻股;
e、合绳:捻股结束的物料送入到合绳机当中进行合绳以得到镀铬钢丝绳。
值得一提的是,虽然本实施例中,采用电镀方式来镀铜、镀铬,但是本发明不限于此,亦可以采用化学镀来进行镀铜、镀铬。
值得一提的是,虽然本实施例中,中间层2采用的是镀铜层,相应的,电镀处理时,进行的是镀铜处理,但是本发明不限于此,中间层2亦可以采用镀镍层,其同样能起到提高镀铬层3与钢丝1的结合强度的作用。
以上实施例只是阐述了本发明的基本原理和特性,本发明不受上述实施例限制,在不脱离本发明精神和范围的前提下,本发明还有各种变化和改变,这些变化和改变都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书界定。
Claims (10)
1.一种镀铬钢丝绳,包括由若干根钢丝捻制而成的钢丝绳本体,其特征在于:所述钢丝的表面设置有镀铬层。
2.根据权利要求1所述的一种镀铬钢丝绳,其特征在于:所述钢丝的表面还设置有中间层,所述镀铬层覆盖于中间层外部,所述中间层为镀铜层或镀镍层。
3.根据权利要求2所述的一种镀铬钢丝绳,其特征在于:所述镀铬层的厚度大于中间层的厚度。
4.根据权利要求3所述的一种镀铬钢丝绳,其特征在于:所述镀铬层的厚度为0.0001mm~0.8mm。
5.根据权利要求4所述的一种镀铬钢丝绳,其特征在于:所述中间层的厚度为0.0001mm~0.5mm。
6.一种用于生产权利要求1~5任一项所述镀铬钢丝绳的生产工艺,其特征在于:包括以下步骤:
a、表面处理:对钢丝进行表面处理以去除钢丝表面的油脂、氧化物;
b、拉丝:对表面处理后的钢丝进行拉丝处理,使得钢丝的直径达到所需规格;
c、镀铬:对拉丝后的钢丝进行镀铬处理,以使得钢丝表面形成耐腐蚀、耐磨损的镀铬层;
d、捻股:将钢丝以及股芯放入到捻股机当中进行捻股;
e、合绳:捻股结束的物料送入到合绳机当中进行合绳以得到镀铬钢丝绳。
7.根据权利要求6所述的一种镀铬钢丝绳的生产工艺,其特征在于:步骤c中,在进行镀铬处理前,先进行镀铜/镀镍处理,以使得钢丝表面形成镀铜层/镀镍层。
8.根据权利要求7所述的一种镀铬钢丝绳的生产工艺,其特征在于:采用电镀或化学镀对钢丝表面进行镀铬处理,采用电镀或化学镀对钢丝表面进行镀铜/镀镍处理。
9.根据权利要求8所述的一种镀铬钢丝绳的生产工艺,其特征在于:步骤a中的表面处理包括依次进行的如下工序:碱洗、水洗、酸洗、水洗。
10.根据权利要求9所述的一种镀铬钢丝绳的生产工艺,其特征在于:步骤b中的拉丝处理包括冷拔丝工序及热处理工序,所述冷拔丝工序、热处理工序依次交替进行并重复多次。
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