CN108192715A - 一种含胶体微粒的镁合金切削液及其制备方法 - Google Patents
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Abstract
本发明提供了一种含胶体微粒的镁合金切削液及其制备方法。所述含胶体微粒的镁铝切削液含有胶体微粒、润滑剂、防锈缓释剂、络合盐、表面活性剂、pH缓冲剂。本发明具有工作液稳定性好,防锈性能好,切削能力强,刀具减磨性好,环境友好等优点;既可应用于功能性电子电器行业,也可应用于汽车配件行业,具有重大意义。
Description
技术领域
本发明涉及一种加工领域用到的切削液,具体涉及一种含胶体微粒的镁合金切削液及其制备方法。
背景技术
随着对电子电器、汽车配件轻量化要求的提高,对配套金属材料的要求也越来越高。镁合金由于其具有密度小、比强度高、比弹性模量大、散热好、消震性好和承受冲击载荷能力大的优势,并且在实用金属中是最轻的金属,而被广泛用于电子电器、汽车、摩托车配件行业,因此,镁合金的加工需求量很大,但是市场上的镁合金切削液价格高昂,并且存在硬水稳定性差、腐蚀工件、机台防锈差、切削液使用寿命短的问题,阻碍了镁合金材料的更进一步的应用推广。
发明内容
本发明的目的就是为了解决现有技术之不足而提供的一种满足贮存周期及生产稳定、对基材无损伤、使用寿命长的新型镁合金切削液。
本发明提供的一种含胶体微粒的镁合金切削液,以总量为100重量份算,所述的切削液包括如下重量组份:胶体微粒5-10份、润滑剂5-10g份、防锈缓释剂3-5份、络合盐3-10g份、表面活性剂5-15份、pH缓冲剂10—25份、水余量。
优选的,所述胶体微粒为氟化石墨胶体、氧化石墨胶体、二硫化钼胶体、氧化铜胶体和/或纳米银胶体。胶体微粒作为一种润滑介质,这种微小介质能够进入金属接触表面间的缝隙,起到降低机器表面的摩擦阻力的作用,减缓机器表面磨损,延长机器的使用寿命。
优选的,所述润滑剂为油酸酰胺、芥酸酰胺、异丙醇胺酰胺、二异丙醇胺酰胺和/或椰子油酸酰胺。
优选的,所述防锈缓蚀剂为蓖麻油磷酸酯、脂肪醇醚磷酸酯、脂肪醇醚磷酸酯钾盐、月桂基磷酸酯、月桂基磷酸酯钾盐、苯并三氮唑、甲基苯并三氮唑、硅化三乙醇胺和/或三元酸胺盐。防锈缓蚀剂的加入,能够与铜、镁、铁等金属络合,形成稳定的结构致密的化合物,从而达到抗氧化能力,避免机器表面金属的腐蚀,延长寿命。
优选的,所述的络合盐为乙二胺四乙酸盐、磷酸钠、磷酸钾、次磷酸钠、磷酸氢二钠、磷酸氢钠、硫代硫酸钠、硫代硫酸钾。
优选的,所述的表面活性剂为脂肪醇聚氧乙烯醚、聚氧乙烯脂肪酸酯、月桂酸聚氧乙烯酯、脂肪胺聚氧乙烯醚、乙二醇单硬脂酸酯、乙二醇双硬脂酸酯、二乙二醇单硬脂酸酯和/或二乙二醇双硬脂酸酯。表面活性剂能够促进乳化过程,使切削液保持较低的表面张力,同时,达到良好的清洗性。
优选的,所述pH缓冲剂为丙二酸、丁二酸、癸二酸、异壬酸、柠檬酸、酒石酸、乙二醇酸、乳酸、苹果酸等多元羧酸和/或聚羟基羧酸及其盐类或胺盐类中的一种以上。
一种含胶体微粒的镁合金切削液的制备方法,所述的制备方法包括如下步骤:
(a)按照重量份分别取胶体微粒、润滑剂、水倒入容器中混合,边搅拌边加热,温度控制在70±5℃,搅拌60-70分钟,得到均匀粘稠状透明混合物A;
(b)按照重量份分别取络合盐、表面活性剂和防锈缓释剂依次加入混合液A中,每加一组分后,均需混合均匀后再加另一组分,最后搅拌40分钟,得到混合液B;
(c)按重量份分别取pH缓冲剂加入混合液B中,调节pH值为8-9,搅拌,混合均匀,得到一种含胶体微粒的镁合金切削液成品。
本发明的切削液用时用工业用水配置成5wt%-8wt%的稀释液,循环使用,定期更换添加。尤其适用于对防磨损指标较高的镁合金材质表面。
本发明的有益效果在于:本发明采用胶体微粒与润滑剂、防锈缓释剂等共同作用,形成复合型切削液更稳定;抗硬水能力强;工件防护性好,工序间无表面腐蚀;刀具减磨性好;使用寿命长;渗透清洗性强;机台防锈好。
具体实施方式
实施例1
1)一种含胶体微粒的镁合金切削液,以总量为100份计算,包括:氟化石墨胶体5份、二硫化钼胶体3份、异丙醇胺酰胺8份、脂肪醇醚磷酸酯3份、乙二胺四乙酸盐5份、脂肪醇聚氧乙烯醚10份、癸二酸胺盐10、苹果酸盐5份、水余量。
制备步骤:
(a)按照上述重量份分别取胶体微粒(氟化石墨胶体5份和二硫化钼胶体3份)、润滑剂(异丙醇胺酰胺8份)、水倒入容器中混合,边搅拌边加热,温度控制在70±5℃,搅拌65分钟,得到均匀粘稠状透明混合物A1;
(b)按照重量份分别取络合盐(乙二胺四乙酸盐5份)、表面活性剂(脂肪醇聚氧乙烯醚10份)和防锈缓释剂(脂肪醇醚磷酸酯3份)依次加入混合液A1中,每加一组分后,均需混合均匀后再加另一组分,最后搅拌40分钟,得到混合液B1;
(c)按重量份分别取pH缓冲剂(癸二酸胺盐10和苹果酸盐5份)加入混合液B1中,调节pH值为8,搅拌,混合均匀,得到一种含胶体微粒的镁合金切削液成品。
2)样品测试
a)抗硬水能力
采用目测法观测8000ppm硬水耐受性,测试结果表明48h储存稳定。
b)工件防护能力
在工件试样中间贴胶带,置于50℃,切削液8%稀释液中5h,测试结果贴胶带和裸露部分外观无明显差异,工件防护能力良好。
c)机台防锈能力
采用铸铁防锈试验能力,单片大于24h(35±2℃),证明机台防锈能力良好。
实施例2
1)一种含胶体微粒的镁合金切削液组成:
氧化石墨胶体3份、二硫化钼胶体3份、二异丙醇胺酰胺5份、硅化三乙醇胺2份、脂肪醇醚磷酸酯3份、乙二胺四乙酸盐10份、脂肪醇聚氧乙烯醚10份、癸二酸15份、水余量。
制备步骤如下:
(a)按照重量份分别取胶体微粒(氧化石墨胶体3份和二硫化钼胶体3份)、润滑剂(二异丙醇胺酰胺5份)、水倒入容器中混合,边搅拌边加热,温度控制在70±5℃,搅拌70分钟,得到均匀粘稠状透明混合物A2;
(b)按照重量份分别取络合盐(乙二胺四乙酸盐10份)、表面活性剂(脂肪醇聚氧乙烯醚10份)和防锈缓释剂(硅化三乙醇胺2份和脂肪醇醚磷酸酯3份)依次加入混合液A2中,每加一组分后,均需混合均匀后再加另一组分,最后搅拌40分钟,得到混合液B2;
(c)按重量份分别取pH缓冲剂(癸二酸15份)加入混合液B2中,调节pH值为9,搅拌,混合均匀,得到镁合金切削液成品。
2)样品测试
a)抗硬水能力
采用目测法观测8000ppm硬水耐受性,测试结果表明48h储存稳定。
b)工件防护能力
在工件试样中间贴胶带,置于50℃,切削液8%稀释液中5h,测试结果贴胶带和裸露部分外观无明显差异,工件防护能力良好。
c)机台防锈能力
采用铸铁防锈试验能力,单片大于24h(35±2℃),证明机台防锈能力良好。
实施例3
1)一种含胶体微粒的镁合金切削液组成:
氧化石墨胶体3份、氟化石墨胶体3份、二异丙醇胺酰胺5份、甲基苯并三氮唑胺3份、月桂基磷酸酯钾盐2份、乙二胺四乙酸盐2份、磷酸钠4份、脂肪醇聚氧乙烯醚8份、聚氧乙烯脂肪酸酯2份、苹果酸胺盐5份、癸二酸胺盐10份、水余量。
步骤如下:
(a)按照重量份分别取胶体微粒(氧化石墨胶体3份和氟化石墨胶体3份)、润滑剂(二异丙醇胺酰胺5份)、水倒入容器中混合,边搅拌边加热,温度控制在70±5℃,搅拌60分钟,得到均匀粘稠状透明混合物A3;
(b)按照重量份分别取络合盐(乙二胺四乙酸盐2份和磷酸钠4份)、表面活性剂(脂肪醇聚氧乙烯醚8份和聚氧乙烯脂肪酸酯2份)和防锈缓释剂(甲基苯并三氮唑胺3份和月桂基磷酸酯钾盐2份)依次加入混合液A3中,每加一组分后,均需混合均匀后再加另一组分,最后搅拌40分钟,得到混合液B3;
(c)按重量份分别取pH缓冲剂(苹果酸胺盐5份和癸二酸胺盐10份)加入混合液B3中,调节pH值为8,搅拌,混合均匀,得到一种含胶体微粒的镁合金切削液成品。
2)样品测试
a)抗硬水能力
采用目测法观测8000ppm硬水耐受性,测试结果表明48h储存稳定。
b)工件防护能力
在工件试样中间贴胶带,置于50℃,切削液8%稀释液中5h,测试结果贴胶带和裸露部分外观无明显差异,工件防护能力良好。
c)机台防锈能力
采用铸铁防锈试验能力,单片大于24h(35±2℃),证明机台防锈能力良好。
Claims (8)
1.一种含胶体微粒的镁合金切削液,其特征在于,以总量为100重量份算,所述的切削液包括如下重量组份:胶体微粒5-10份、润滑剂5-10g份、防锈缓释剂3-5份、络合盐3-10g份、表面活性剂5-15份、pH缓冲剂10—25份、水余量。
2.如权利要求1所述的一种含胶体微粒的镁合金切削液,其特征在于,所述胶体微粒为氟化石墨胶体、氧化石墨胶体、二硫化钼胶体、氧化铜胶体和/或纳米银胶体。
3.如权利要求1所述的一种含胶体微粒的镁合金切削液,其特征在于,所述润滑剂为油酸酰胺、芥酸酰胺、异丙醇胺酰胺、二异丙醇胺酰胺和/或椰子油酸酰胺。
4.如权利要求1所述的一种含胶体微粒的镁合金切削液,其特征在于,所述防锈缓蚀剂为蓖麻油磷酸酯、脂肪醇醚磷酸酯、脂肪醇醚磷酸酯钾盐、月桂基磷酸酯、月桂基磷酸酯钾盐、苯并三氮唑、甲基苯并三氮唑、硅化三乙醇胺和/或三元酸胺盐。
5.如权利要求1所述的一种含胶体微粒的镁合金切削液,其特征在于,所述的络合盐为乙二胺四乙酸盐、磷酸钠、磷酸钾、次磷酸钠、磷酸氢二钠、磷酸氢钠、硫代硫酸钠和/或硫代硫酸钾。
6.如权利要求1所述的一种含胶体微粒的镁合金切削液,其特征在于,所述的表面活性剂为脂肪醇聚氧乙烯醚、聚氧乙烯脂肪酸酯、月桂酸聚氧乙烯酯、脂肪胺聚氧乙烯醚、乙二醇单硬脂酸酯、乙二醇双硬脂酸酯、二乙二醇单硬脂酸酯和/或二乙二醇双硬脂酸酯。
7.如权利要求1所述的一种含胶体微粒的镁合金切削液,其特征在于,所述pH缓冲剂为丙二酸、丁二酸、癸二酸、异壬酸、柠檬酸、酒石酸、乙二醇酸、乳酸、苹果酸等多元羧酸和/或聚羟基羧酸及其盐类或胺盐类中的一种以上。
8.一种含胶体微粒的镁合金切削液的制备方法,其特征在于,所述的制备方法包括如下步骤:
(a)按照重量份分别取胶体微粒、润滑剂、水倒入容器中混合,边搅拌边加热,温度控制在70±5℃,搅拌60-70分钟,得到均匀粘稠状透明混合物A;
(b)按照重量份分别取络合盐、表面活性剂和防锈缓释剂依次加入混合液A中,每加一组分后,均需混合均匀后再加另一组分,最后搅拌40分钟,得到混合液B;
(c)按重量份分别取pH缓冲剂加入混合液B中,调节pH值为8-9,搅拌,混合均匀,得到一种含胶体微粒的镁合金切削液成品。
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