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1.
论绿色切削液的必要性和可靠性   总被引:1,自引:0,他引:1  
本文简述了切削液的发展,指出在世界上有关健康、环保要求日益严格的今天,切削液存在的根本问题是其对人体和环境的危害性,提出了一些解决方法,认为研制对人和环境友好的绿色切削液是最符合目前切削加工发展需要的解决方法,并讨论了其可行性。  相似文献   

2.
目前市场上有多种冷却切削液出售,但也有一些企业为经济实惠、方便以及废油利用,仍在自己配制。配制切削液的工艺是保证其质量的关键。因此必须正确地解决配制切削液的方法。 一、切削液配制的要求 1.冷却性能好 切削液必须具有良好的导热、散热和热容性能,以便冷却刀具。 2.润滑、清洗性好 切削液要具有良好的润滑性和适当的粘度,以  相似文献   

3.
水基金属切削液   总被引:7,自引:0,他引:7  
宋嘉胤  姜庆国 《轴承》1994,(12):35-38
水基切削液是微乳切削液,高性能的乳化液和合成切削液的总称。较详细地介绍了乳化切削液,合成切削液和微乳化切削液的基本特性及优缺点,还介绍了水基金属切削液的管理法。  相似文献   

4.
有许多因素影响切削液的使用寿命,本文主要从过滤切削液、控制水的质量、控制切削液的温度和定期检测切削液等加以论述。 一、过滤切削液 无论何种切削液,过滤都是延长其使用寿命的有效方法。由于切削液循环使用,所以在切削液中不可避免地存有某些杂质,这些杂质包括切屑、灰尘、磨料粉粒、纤维、游离的杂油、切削液中的空气和水等。继续使用存有这些杂质的切削液,首先有损于刀  相似文献   

5.
随着机械加工业向高速、强力、精密等方向的迅速发展,对金属切削液提出了越来越高的要求。特别是20世纪80年代以来,由于人们对生态环境意识的进一步强化,对金属切削液又增加了环保要求。水基合成切削液具有优异的冷却、清洗作用和良好的环境指标,将逐渐取代切削油和乳化液,占据切削液的主导地位。然而,水基切削液水分含量高,使用时易引起加工设备及工件的锈蚀,因此如何选择高效缓蚀添加剂显得特别重要。过去大量使用水溶性金属缓蚀剂基本为亚硝酸型,由于该品对  相似文献   

6.
硬水对水基切削液的危害   总被引:1,自引:0,他引:1  
随着现代切削加工技术的发展,作为工艺配套材料的切削液日益引起人们的重视。由于水基切削液具有优良的冷却性能,高的生产效率和低的生产成本,因而得到广泛的应用。水基切削液包括合成切削液、半合成切削液(也称微乳状切削液)和乳化液。在使用时,需要将浓缩液用水配制成高水基的稀释液。但在配制稀释液时人们往往对所用水的水质重视不够,使用硬水配制,造成切削液质量下降,加工成本增加,给使用带来麻烦。本文建议使用去离子水来配制水基切削液。  相似文献   

7.
切削液是机械切削加工过程中非常重要的配套材料,近年来,切削液行业呈现出由油基切削液向水基切削液转变的趋势,环境友好型水基切削液成为切削液发展的一个重要方向。聚亚烷基二醇由于其优异的润滑性能和低毒作为水基切削液的润滑剂具有很广阔的发展前景。以聚亚烷基二醇为润滑剂配制了3种全合成切削液,并根据国标GB/T6144—2010对其性能进行评价,进行了切削试验,验证其加工性能。  相似文献   

8.
合理使用金属切削液,既可提高金属切削液的使用效果,保证工件加工质量,又可延长刀具寿命,降低加工成本。文章对金属切削液作了全面介绍,包括其作用、种类、选择、使用方法与近几年来它们的新发展。  相似文献   

9.
pH值对合成切削液润滑性能的影响   总被引:3,自引:0,他引:3  
本文提出了合成切削液PH值高会降低切削液润滑性能的观点,并对其作用机理进行了探讨,建议合成切削液的PH值应控制在8-9。  相似文献   

10.
概述切削液的作用及其发展历史,介绍了目前切削液的类型及其选择使用方法,指出了使用切削液过程中存在的主要问题。在世界性环保形势危机情况下,强调了少用或不用切削液加工技术将是机械制造业未来发展的必由之路。  相似文献   

11.
关于绿色切削液研究开发的几点思考   总被引:16,自引:0,他引:16  
本文简述了传统切削液存在的危害,提出了开发绿色切削液的必要性,并提出了研究开发绿色切削液的基本要求,基础油和添加剂的选用原则,以及一些值得重视的问题。  相似文献   

12.
Cutting fluids have seen extensive use and have commonly been viewed as a required addition to high productivity and high quality machining operations. Cutting fluid related costs and health concerns associated with exposure to cutting fluid mist and a growing desire to achieve environmental sustainability in manufacturing have caused industry and academia to re-examine the role of these fluids and quantify their benefits. This work summarizes the traditional purposes of cutting fluids and reports on recent analytical and experimental research to critically examine these functions. To minimize or even eliminate the concerns associated with cutting fluid usage, several recent and novel approaches have been proposed and are examined.  相似文献   

13.
ABSTRACT

Cutting fluids have seen extensive use and have commonly been viewed as a required addition to high productivity and high quality machining operations. Cutting fluid related costs and health concerns associated with exposure to cutting fluid mist and a growing desire to achieve environmental sustainability in manufacturing have caused industry and academia to re-examine the role of these fluids and quantify their benefits. This work summarizes the traditional purposes of cutting fluids and reports on recent analytical and experimental research to critically examine these functions. To minimize or even eliminate the concerns associated with cutting fluid usage, several recent and novel approaches have been proposed and are examined.  相似文献   

14.
干切削加工及其措施   总被引:6,自引:0,他引:6  
由于切削液具有良好的冷却和润滑特性,因此被广泛应用于切削加工。但是随着环境保护要求的日益严格和废物处理费用的不断增加,企业不得不采取措施为减少切削液的使用量。而要彻底消除使用切削液所带来的负面影响,一种可行的方法就是采用干切削加工技术。文章分析了影响干切削加工的因素以及实现干切削加工的措施,并列举了一个国内外的研究与应用实例。  相似文献   

15.
Metalworking fluids play a significant role in machining operations and have a substantial impact on tool life, shop productivity, and the quality of the workpiece. The results presented in this article show the influence of the properties of the metalworking fluids and the supply system on the workpiece quality in cutting and grinding processes. Chemical, physical, and tribological aspects have an impact on the properties of the generated surface. For the assessment of cooling effectiveness, a special test rig for the investigation of the coolant supply system in a grinding process is presented. Another approach to investigate the effectiveness and efficiency of the cooling and lubrication system during grinding is to monitor the temperatures and forces by a wheel-based measurement using telemetric data transmission. A further important aspect of water-soluble metalworking fluids is the influence of microbial effects on working results in machining. Microbial degradation leads to drastic changes in the physical and chemical properties of the metalworking fluid during service life. Besides the demands on the efficiency and economy of cutting processes, their environmental friendliness becomes a crucial issue itself. Therefore, an example for a holistic view on the environmental impacts of machining processes and the application of metalworking fluids is given.  相似文献   

16.
简述了水基金属切削液发展过程中现存的环境健康问题,并就环保型添加剂的开发及切削液中成分的变化具体介绍了水基金属切削液的研究进展情况,同时讨论了水基金属切削液的发展趋势。  相似文献   

17.
21世纪的切削液技术   总被引:3,自引:0,他引:3  
介绍了21世纪切削液技术的发展动态和趋势,指出提高切削液质量的关键是添加剂,提出了为保护生态环境应采取的措施和相关研究课题。  相似文献   

18.
介绍了我国绿色水基切削液的发展概况、绿色水基切削液的概念和产品特性,分析了我国国内金属加工液的市场需求情况、使用传统切削液的不利因素和应用绿色水基切削液的技术经济,阐述了绿色水基切削液的标准规范.  相似文献   

19.
The question of whether machining operations and exposure to water-base cutting fluids constitutes a human health problem is complex. The literature on the subject is hard to find; it is difficult to create study groups of workers large enough to develop statistically significant information; there is often a lag phase of several years between exposure to cutting fluids and the appearance of a medical problem; public attitudes restrain research on the subject; the identity of the chemicals involved is not completely known and animal studies involving cutting fluids are not adequate at present. Until adequate information is available, efforts should be directed towards minimizing exposure and controlling the microbial loads found in these products.  相似文献   

20.
Cutting fluids re receiving increasing scrutiny owing to the potential negative health and environmental consequences of their usage. Manufacturers are besieged with many claims by cutting fluid suppliers and historically fluids have often been selected based on non-technical reasons. A methodology for the development of a classification scheme based on the physical properties of a wide array of cutting fluids is presented. The method of cluster analysis, in a hierarchical agglomerative form, is used to identify differences between fluid samples and a case study example employing this method is used to illustrate the capability of the approach. Results of the example point to unanticipated fluid distinctions and demonstrate the potential for the technique to adequately define cutting fluid categories.  相似文献   

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