CN108499825A - 一种汽车飞轮壳的表面处理方法 - Google Patents

一种汽车飞轮壳的表面处理方法 Download PDF

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CN108499825A
CN108499825A CN201810279540.6A CN201810279540A CN108499825A CN 108499825 A CN108499825 A CN 108499825A CN 201810279540 A CN201810279540 A CN 201810279540A CN 108499825 A CN108499825 A CN 108499825A
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唐少华
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Abstract

本发明公开了一种汽车飞轮壳的表面处理方法,包括如下步骤:打磨处理:将汽车飞轮壳在磨床上进行打磨,使得飞轮壳的表面粗糙度达到Ra 3.2以下;表面去污处理:将配制好的去污处理液雾化喷涂于飞轮壳的外壳及其腔体的表面,自然晾干后备用;防腐处理:将表面去污处理的飞轮壳放入预先加热至60~65℃的防腐液中浸泡30分钟,然后进行烘干处理;辐照处理:采用Co60剂量5GY辐射处理1~2小时,然后进行备用;涂料喷覆:将配制好的涂料液雾化喷覆于处理后的飞轮壳的外壳及其腔体的表面;保温干燥处理:将处理好的飞轮壳放入到干燥室内,保持干燥室内的温度为50~60℃,保温处理1~2小时后取出即可。本发明所述的汽车飞轮壳的表面处理方法,有效提升了飞轮壳的精度和使用品质,具有很好的市场反馈效果。

Description

一种汽车飞轮壳的表面处理方法
技术领域
本发明属于汽车零部件表面处理技术领域,具体涉及一种汽车飞轮壳的表面处理方法。
背景技术
飞轮壳是汽车发动机的零部件之一,发动机飞轮壳位于机体和变速箱之间,发动机飞轮壳安装于发动机飞轮的外部并与发动机机体和变速箱固定连接,飞轮壳通过飞轮腔室用于罩盖飞轮,起到连接机体、防护和载体的作用。
飞轮壳通常由铸铁铸造而成,铸造完成后还需要进行表面处理工作,传统的表面处理工艺存在工艺复杂,处理效率低下,防腐处理质量差,容易造成飞轮壳表面残存有气孔、裂缝,甚至变形等问题。
发明内容
本发明的目的是针对现有的问题,提供了一种汽车飞轮壳的表面处理方法,有效提升了飞轮壳的精度和使用品质,具有很好的市场反馈效果。
一种汽车飞轮壳的表面处理方法,包括如下步骤:
(1)打磨处理:
将汽车飞轮壳在磨床上进行打磨,使得飞轮壳的表面粗糙度达到Ra 3.2以下;
(2)表面去污处理:
将配制好的去污处理液雾化喷涂于飞轮壳的外壳及其腔体的表面,自然晾干后备用,所述的去污处理液中各成分及其对应重量份为:氯乙烯 10~15份、5~8份盐酸、1~3份柠檬酸、水100~150份;
(3)防腐处理:
将表面去污处理的飞轮壳放入预先加热至60~65℃的防腐液中浸泡30 分钟,然后进行烘干处理;
(4)辐照处理:
对步骤(3)处理后的飞轮壳进行辐照处理,采用Co60剂量5GY辐射处理1~2小时,然后进行备用;
(5)涂料喷覆:
将配制好的涂料液雾化喷覆于步骤(4)处理后的飞轮壳的外壳及其腔体的表面;
(6)保温干燥处理:
将步骤(5)处理好的飞轮壳放入到干燥室内,保持干燥室内的温度为 50~60℃,保温处理1~2小时后取出即可。
作为本发明实施例的优选,在步骤(1)中将飞轮壳在磨床上进行打磨处理,飞轮壳的表面粗糙度至少达到Ra 3.2以下,磨床的砂轮转速不低于为2500r/min,进刀量为0.01。
作为本发明实施例的优选,在步骤(2)中,去污处理液在飞轮壳腔体内的喷涂量为75~80ml/m2,在飞轮壳的表面的喷涂量为处理液沿着飞轮壳表面均匀下滴为止。
作为本发明实施例的优选,步骤(3)中使用的防腐液由10~15份乙酸乙酯、10~15份二乙醇胺、10~15份二氧六环、2~5份稀醋酸、5~10份甲醇和100~150份水制成。
作为本发明实施例的优选,在步骤(5)中,所述喷涂液各成分及其对应重量份为:20~30份凹凸棒土、15~20份悬浮剂、5~10份粘结剂、15~20 份硅粉、30~40份环氧树脂、100~150份水。
作为本发明实施例的优选,所述悬浮剂为膨润土、羧甲基纤维素钠、阳离子淀粉中的一种或几种。
作为本发明实施例的优选,所述的粘结剂为水玻璃、聚乙烯醇、松香中的一种或几种。
作为本发明实施例的优选,所述的硅粉的颗粒大小为500~700目。
本发明与现有技术相比具有以下有益效果:
1、本发明首先经过打磨处理提高了飞轮壳的表面平整度,然后再用去污处理液对飞轮壳的表面和内腔进行喷涂,利用去污处理液对飞轮壳内的沙粒进行表面刻蚀,进一步的提升了其表面粗糙度,然后通过表面防腐蚀处理使飞轮壳的防腐性能得到显著提升,并为后续的涂料喷覆奠定了基础,最后用配制好的涂料对飞轮壳进行喷覆处理,其中环氧树脂提升了整体的成膜性,凹凸棒土、硅粉提升了涂层的耐温、耐磨、透气等特性,各成分共同配合使用有效对飞轮壳起到了防护作用,增强了使用的品质。
2、本发明采用Co60剂量5GY辐射处理,因飞轮壳表面活性低,与涂料间的粘附强度不高,在高温浇铸液的作用下,其防护效果会大打折扣,而此采用Co60剂量5GY辐射进行处理能有效的改善飞轮壳表面成分的活性,增加了其表面活性基团含量和活性,为后续的涂料喷覆奠定了粘合基础。
具体实施方式
下面将结合本发明实施例对本发明的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明实施例提供一种汽车飞轮壳的表面处理方法,包括如下步骤:
(1)打磨处理:
将汽车飞轮壳在磨床上进行打磨,使得飞轮壳的表面粗糙度达到Ra 3.2以下,将飞轮壳在磨床上进行打磨处理,飞轮壳的表面粗糙度至少达到 Ra 3.2以下,磨床的砂轮转速不低于为2500r/min,进刀量为0.01。
(2)表面去污处理:
将配制好的去污处理液雾化喷涂于飞轮壳的外壳及其腔体的表面,自然晾干后备用,所述的去污处理液中各成分及其对应重量份为:氯乙烯 10~15份、5~8份盐酸、1~3份柠檬酸、水100~150份;去污处理液在飞轮壳腔体内的喷涂量为75~80ml/m2,在飞轮壳的表面的喷涂量为处理液沿着飞轮壳表面均匀下滴为止。
(3)防腐处理:
将表面去污处理的飞轮壳放入预先加热至60~65℃的防腐液中浸泡30 分钟,然后进行烘干处理;使用的防腐液由10~15份乙酸乙酯、10~15份二乙醇胺、10~15份二氧六环、2~5份稀醋酸、5~10份甲醇和100~150份水制成。
(4)辐照处理:
对步骤(3)处理后的飞轮壳进行辐照处理,采用Co60剂量5GY辐射处理1~2小时,然后进行备用;
(5)涂料喷覆:
将配制好的涂料液雾化喷覆于步骤(4)处理后的飞轮壳的外壳及其腔体的表面;所述喷涂液各成分及其对应重量份为:20~30份凹凸棒土、15~20 份悬浮剂、5~10份粘结剂、15~20份硅粉、30~40份环氧树脂、100~150份水;其中,所述悬浮剂为膨润土、羧甲基纤维素钠、阳离子淀粉中的一种或几种;其中,所述的粘结剂为水玻璃、聚乙烯醇、松香中的一种或几种;其中,所述的硅粉的颗粒大小为500~700目。
(6)保温干燥处理:
将步骤(5)处理好的飞轮壳放入到干燥室内,保持干燥室内的温度为 50~60℃,保温处理1~2小时后取出即可。
本发明所述的汽车飞轮壳的表面处理方法相比于传统的飞轮壳表面处理工艺操作更加简单,处理效率显著提高,经过防腐处理后飞轮壳的使用寿命可提高1倍以上,飞轮壳表面上残留的气孔、裂缝也得到了很好的处理。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (8)

1.一种汽车飞轮壳的表面处理方法,其特征在于,包括如下步骤:
(1)打磨处理:
将汽车飞轮壳在磨床上进行打磨,使得飞轮壳的表面粗糙度达到Ra3.2以下;
(2)表面去污处理:
将配制好的去污处理液雾化喷涂于飞轮壳的外壳及其腔体的表面,自然晾干后备用,所述的去污处理液中各成分及其对应重量份为:氯乙烯10~15份、5~8份盐酸、1~3份柠檬酸、水100~150份;
(3)防腐处理:
将表面去污处理的飞轮壳放入预先加热至60~65℃的防腐液中浸泡30分钟,然后进行烘干处理;
(4)辐照处理:
对步骤(3)处理后的飞轮壳进行辐照处理,采用Co60剂量5GY辐射处理1~2小时,然后进行备用;
(5)涂料喷覆:
将配制好的涂料液雾化喷覆于步骤(4)处理后的飞轮壳的外壳及其腔体的表面;
(6)保温干燥处理:
将步骤(5)处理好的飞轮壳放入到干燥室内,保持干燥室内的温度为50~60℃,保温处理1~2小时后取出即可。
2.根据权利要求1所述的汽车飞轮壳的表面处理方法,其特征在于:在步骤(1)中将飞轮壳在磨床上进行打磨处理,飞轮壳的表面粗糙度至少达到Ra 3.2以下,磨床的砂轮转速不低于为2500r/min,进刀量为0.01。
3.根据权利要求1所述的汽车飞轮壳的表面处理方法,其特征在于:在步骤(2)中,去污处理液在飞轮壳腔体内的喷涂量为75~80ml/m2,在飞轮壳的表面的喷涂量为处理液沿着飞轮壳表面均匀下滴为止。
4.根据权利要求1所述的汽车飞轮壳的表面处理方法,其特征在于:步骤(3)中使用的防腐液由10~15份乙酸乙酯、10~15份二乙醇胺、10~15份二氧六环、2~5份稀醋酸、5~10份甲醇和100~150份水制成。
5.根据权利要求1所述的汽车飞轮壳的表面处理方法,其特征在于:在步骤(5)中,所述喷涂液各成分及其对应重量份为:20~30份凹凸棒土、15~20份悬浮剂、5~10份粘结剂、15~20份硅粉、30~40份环氧树脂、100~150份水。
6.根据权利要求5所述的汽车飞轮壳的表面处理方法,其特征在于:所述悬浮剂为膨润土、羧甲基纤维素钠、阳离子淀粉中的一种或几种。
7.根据权利要求5所述的汽车飞轮壳的表面处理方法,其特征在于:所述的粘结剂为水玻璃、聚乙烯醇、松香中的一种或几种。
8.根据权利要求5所述汽车飞轮壳的表面处理方法,其特征在于:所述的硅粉的颗粒大小为500~700目。
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