WO2022021918A1 - 一种切削液高温稳定性测试方法 - Google Patents

一种切削液高温稳定性测试方法 Download PDF

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WO2022021918A1
WO2022021918A1 PCT/CN2021/084334 CN2021084334W WO2022021918A1 WO 2022021918 A1 WO2022021918 A1 WO 2022021918A1 CN 2021084334 W CN2021084334 W CN 2021084334W WO 2022021918 A1 WO2022021918 A1 WO 2022021918A1
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stock solution
high temperature
temperature stability
cutting fluid
testing
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PCT/CN2021/084334
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孙果洋
汪小龙
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安美科技股份有限公司
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means

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  • the invention relates to the field of cutting fluid stability testing methods, in particular to a cutting fluid high temperature stability testing method.
  • Cutting fluid is used to lubricate and cool the workpiece in the machining process, such as cutting, grinding, grinding, etc., which can reduce the deformation of the workpiece and reduce dust.
  • the stability of the cutting fluid stock solution is an important factor affecting the cutting fluid product, so the storage stability must be tested during the factory inspection.
  • the GB/T6144-2010 and JB/T7453-2013 standards respectively provide test methods for the storage stability of cutting fluids, the test cycles are long. For example, the overall time of GB/T6144-2010 takes about 5 hours. /T7453-2013 takes about 4 hours to complete the entire test, which is extremely inefficient. Therefore, a fast and reliable assay method is urgently needed to solve this defect.
  • the present invention proposes a specific solution based on solving the above-mentioned defects of the prior art.
  • the present invention improves the existing testing method for high temperature stability of cutting fluid, and invents a brand-new testing method, which can test the high temperature stability of cutting fluid stock solution within 5 minutes and greatly saves testing time.
  • a method for testing the high temperature stability of a cutting fluid stock solution the steps of the method are: putting the cutting fluid stock solution to be tested into a high temperature resistant container, stirring while heating, and stopping stirring to observe the stock solution when the temperature rises to a set temperature Whether it is transparent; then determine whether it meets the high temperature stability requirements according to the following methods:
  • the set temperature is 70°C ⁇ 3°C, and the heating rate is 0.2-0.5°C/S.
  • the set temperature is 50°C ⁇ 2°C, and the temperature rising rate is 0.2-0.5°C/S.
  • the stirring is also a magnetic vibrator vibration stirring.
  • the stirring speed is the speed when there are vortices visible to the naked eye.
  • test method of the present invention is accurate and fast, and the test results are completely consistent with the results of GB/T6144-2010 and JB/T7453-2013;
  • the testing method of the present invention saves time for actual operation, and the high temperature stability of the cutting fluid stock solution is tested within 5 minutes in the entire testing process, which greatly saves testing time and manpower and material resources.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • a method for testing the high temperature stability of a cutting fluid stock solution the steps of the method are: taking an appropriate amount of the cutting fluid to be tested, placing the stock solution of the cutting fluid to be tested in a high temperature resistant container, heating and stirring while heating, and the heating rate is 0.2 °C/S, stop stirring when the temperature rises to 67°C, and observe the stock solution after cooling to room temperature (15°C-35°C); then determine whether it meets the high temperature stability requirements according to the following methods:
  • the stock solution is transparent, indicating that the high temperature stability requirement is satisfied.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • a method for testing the high temperature stability of a cutting fluid stock solution the steps of the method are: taking an appropriate amount of the cutting fluid to be tested, placing the stock solution of the cutting fluid to be tested in a high temperature resistant container, heating and stirring while heating, and the heating rate is 0.35 °C/S, stop stirring when the temperature rises to 70 °C, cool down to room temperature (15 °C-35 °C) for 1 hour and observe the stock solution; then determine whether it meets the high temperature stability requirements according to the following methods:
  • the stock solution is transparent, indicating that the high temperature stability requirement is met.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • a method for testing the high temperature stability of a cutting fluid stock solution the steps of the method are: taking an appropriate amount of the cutting fluid to be tested, putting the stock solution of the cutting fluid to be tested into a high temperature resistant container, heating and stirring while heating, and the heating rate is 0.5 °C/S, stop stirring when the temperature rises to 73 °C, cool to room temperature (15 °C-35 °C) for 1 hour and observe the stock solution; then determine whether it meets the high temperature stability requirements according to the following methods:
  • the stock solution is transparent, indicating that the high temperature stability requirement is met.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • a method for testing the high temperature stability of a cutting fluid stock solution the steps of the method are: taking an appropriate amount of the cutting fluid to be tested, putting the stock solution of the cutting fluid to be tested into a high temperature resistant container, placing the container on a magnetic stirrer to start stirring, Stir while heating and heating.
  • the stirring speed is moderate and the vortex is visible to the naked eye.
  • the heating rate is 0.2 °C/S.
  • the stock solution is transparent, indicating that the high temperature stability requirement is met.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • a method for testing the high temperature stability of a cutting fluid stock solution the steps of the method are: taking an appropriate amount of the cutting fluid to be tested, putting the stock solution of the cutting fluid to be tested into a high temperature resistant container, placing the container on a magnetic stirrer to start stirring, Stir while heating and heating.
  • the stirring speed is moderate and there are vortices visible to the naked eye.
  • the heating rate is 0.4 °C/S.
  • the stock solution is transparent, indicating that the high temperature stability requirement is met.
  • Embodiment 6 is a diagrammatic representation of Embodiment 6
  • a method for testing the high temperature stability of a cutting fluid stock solution the steps of the method are: taking an appropriate amount of the cutting fluid to be tested, putting the stock solution of the cutting fluid to be tested into a high temperature resistant container, placing the container on a magnetic stirrer to start stirring, Stir while heating and heating.
  • the stirring speed is moderate and there are vortices visible to the naked eye.
  • the heating rate is 0.5°C/S. Stop stirring when the temperature rises to 52°C, and observe the stock solution after cooling to room temperature (15°C-35°C); then according to the following Method to determine whether the high temperature stability requirements are met:
  • the stock solution is transparent, indicating that the high temperature stability requirement is met.
  • Example 1-3 The stock solution used in Example 1-3 was tested with GB/T6144-2010 method, and the stock solution used in Example 4-6 was tested with JB/T7453-2013, Example 1-6, GB/T6144-2010 method,
  • JB/T7453-2013 method The test results of the JB/T7453-2013 method are as follows:

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  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

一种切削液高温稳定性测试方法。方法的步骤为:将待测切削液原液放入耐高温容器中,边加热升温边搅拌,待温度升至设定温度时候停止搅拌观察原液是否透明;然后依据以下方法判定是否满足高温稳定性要求:i:如果原液透明,则满足高温稳定性要求;ii:如果原液不透明,则不满足高温稳定性要求。该测试方法,可以在5min以内测试出切削液原液的高温稳定性,大大节约测试时间。

Description

一种切削液高温稳定性测试方法 技术领域
本发明涉及切削液稳定性测试方法领域,特别涉及一种切削液高温稳定性测试方法。
背景技术
切削液是在机械加工过程中,如切、削、磨等对工件进行润滑、冷却作用等,可以减少工件变形、减少灰尘等。切削液原液的稳定性是影响切削液产品的重要因素,所以在出厂检验的时候都要测试储存安定性。虽然GB/T6144-2010和JB/T7453-2013两个标准分别针对切削液存储安定性要求给出了测试方法,但是测试周期均偏长,如GB/T6144-2010整体时间需要约5小时,JB/T7453-2013完成整个测试需要约4小时,效率极为低下。因此急需一种快速、可靠的测定方法来解决该缺陷。
本发明正是基于解决上述现有技术的缺陷而提出具体的解决方案。
发明内容
本发明针对现有的切削液高温稳定性检测方法加以改进,发明一种全新的测试方法,可以在5min以内测试出切削液原液的高温稳定性,大大节约测试时间。
本发明采用的技术方案如下:
一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:将待测切削液原液放入耐高温容器中,边加热升温边搅拌,待温度升设定温度时候停止搅拌观察原液是否透明;然后依据以下方法判定是否满足高温稳定性要求:
i:如果原液透明,则满足高温稳定性要求;
ii:如果原液不透明,则不满足高温稳定性要求。
在一个具体的实施方式中,所述设定温度为70℃±3℃,所述升温速率为0.2-0.5℃/S。
在一个优选的实施方式中,所述设定温度为50℃±2℃,所述升温速率为0.2-0.5℃/S。
在一个具体的实施方式中,所述搅拌还为磁力震子振动搅拌。
在一个具体的实施方式中,所述搅拌的速度为有肉眼可见旋涡时的速度。
本发明切削液高温稳定性测试方法具有以下有益效果:
(1)本发明的测试方法准确快速,测试结果和GB/T6144-2010和JB/T7453-2013的结果完全一致;
(2)本发明测试方法为实际操作节约时间,整个测试过程在5min以内测试出切削液原液的高温稳定性,大大节约测试时间以及人力物力。
具体实施方式:
一、实施例:
实施方式1:
一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:取适量待测切削液,将待测切削液原液放入耐高温容器中,边加热升温边搅拌,升温速率为0.2℃/S,待温度升至67℃停止搅拌,冷却至室温(15℃-35℃)后观察原液;然后依据以下方法判定是否满足高温稳定性要求:
i:如果原液透明,则满足高温稳定性要求;
ii:如果原液不透明,则不满足高温稳定性要求。
在本实施方式中,原液透明,说明满足高温稳定性要求。
实施方式2:
一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:取适量待测切削液,将待测切削液原液放入耐高温容器中,边加热升温边搅拌,升温速率为0.35℃/S,待温度升至70℃停止搅拌,冷却至室温(15℃-35℃)1h后观察原液;然后依据以下方法判定是否满足高温稳定性要求:
i:如果原液透明,则满足高温稳定性要求;
ii:如果原液不透明,则不满足高温稳定性要求。
在本实施方式中,原液透明,说明满足高温稳定性要求。
实施方式3:
一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:取适量待测切削液,将待测切削液原液放入耐高温容器中,边加热升温边搅拌,升温速率为0.5℃/S,待温度升至73℃停止搅拌,冷却至室温(15℃-35℃)1h后观察原液;然后依据以下方法判定是否满足高温稳定性要求:
i:如果原液透明,则满足高温稳定性要求;
ii:如果原液不透明,则不满足高温稳定性要求。
在本实施方式中,原液透明,说明满足高温稳定性要求。
实施方式4:
一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:取适量待测切削液,将待测切削液原液放入耐高温容器中,将容器放到磁力搅拌机上开启搅拌,边加热升温边搅拌,搅拌速度适中有肉眼可见旋涡即可,升温速率为0.2℃/S,待温度升至48℃停止搅拌,冷却至室温(15℃-35℃)1h后观察原液;然后依据以下方法判定是否满足高温稳定性要求:
i:如果原液透明,则满足高温稳定性要求;
ii:如果原液不透明,则不满足高温稳定性要求。
在本实施方式中,原液透明,说明满足高温稳定性要求。
实施方式5:
一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:取适量待测切削液,将待测切削液原液放入耐高温容器中,将容器放到磁力搅拌机上开启搅拌,边加热升温边搅拌,搅拌速度适中有肉眼可见旋涡即可,升温速率为0.4℃/S,待温度升至50℃停止搅拌,冷却至室温(15℃-35℃)1h后观察原液;然后依据以下方法判定是否满足高温稳定性要求:
i:如果原液透明,则满足高温稳定性要求;
ii:如果原液不透明,则不满足高温稳定性要求。
在本实施方式中,原液透明,说明满足高温稳定性要求。
实施方式6:
一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:取适量待测切削液,将待测切削液原液放入耐高温容器中,将容器放到磁力搅拌机上开启搅拌,边加热升温边搅拌,搅拌速度适中有肉眼可见旋涡即可,升温速率为0.5℃/S,待温度升至52℃停止搅拌,冷却至室温(15℃-35℃)后观察原液;然后依据以下方法判定是否满足高温稳定性要求:
i:如果原液透明,则满足高温稳定性要求;
ii:如果原液不透明,则不满足高温稳定性要求。
在本实施方式中,原液透明,说明满足高温稳定性要求。
二、验证试验
将实施例1-3所用的原液用GB/T6144-2010方法进行测试,将实施例4-6所用的原液用JB/T7453-2013进行测试,实施例1-6、GB/T6144-2010方法、 JB/T7453-2013方法的测试结果如下:
Figure PCTCN2021084334-appb-000001
从上表结果可以看出,实施方式1-3测得的结果与GB/T6144-2010测得的结果一致;实施方式4-6测得的结果与JB/T7453-2013测得的结果一致,说明本方法测定结果准确;此外从上标中也可以看出,实施方式1-6所用的时间远低于GB/T6144-2010与JB/T7453-2013所用的时间,极大提高了效率。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见, 本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。

Claims (5)

  1. 一种测试切削液原液的高温稳定性的方法,所述方法的步骤为:将待测切削液原液放入耐高温容器中,边加热升温边搅拌,待温度升设定温度时候停止搅拌观察原液是否透明;然后依据以下方法判定是否满足高温稳定性要求:
    i:如果原液透明,则满足高温稳定性要求;
    ii:如果原液不透明,则不满足高温稳定性要求。
  2. 根据权利要求1所述的测试切削液原液的高温稳定性的方法,其特征在于:所述设定温度为70℃±3℃,所述升温的速率为0.2-0.5℃/S。
  3. 根据权利要求1所述的测试切削液原液的高温稳定性的方法,其特征在于:所述设定温度为50℃±2℃,所述升温的速率为0.2-0.5℃/S。
  4. 根据权利要求3所述的测试切削液原液的高温稳定性的方法,其特征在于:所述搅拌还为磁力震子振动搅拌。
  5. 根据权利要求4所述的测试切削液原液的高温稳定性的方法,其特征在于:所述搅拌的速度为有肉眼可见旋涡时的速度。
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4412185B2 (ja) * 2005-01-28 2010-02-10 株式会社富士通ゼネラル 熱伝達率試験装置
CN105424891A (zh) * 2015-12-20 2016-03-23 重庆德蒙特科技发展有限公司 切削液泡沫性能测试设备
CN208115613U (zh) * 2018-03-19 2018-11-20 苏州铱诺化学材料有限公司 一种具有快速调温功能的环境亲和型乳化切削液混合釜
CN208921533U (zh) * 2018-07-27 2019-05-31 湖南省泽环检测技术有限公司 废水检测用加热装置
CN209985369U (zh) * 2019-05-14 2020-01-24 南京维泰新材料科技有限公司 一种切削液的调和加热设备
CN210613683U (zh) * 2019-07-04 2020-05-26 俄美达(武汉)有限公司 一种切削液用加热反应釜
CN112198186A (zh) * 2020-07-28 2021-01-08 重庆安美新材料有限公司 一种切削液高温稳定性测试方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4181465B2 (ja) * 2003-09-04 2008-11-12 三菱電機株式会社 グリース油分率測定法
JP4012134B2 (ja) * 2003-10-09 2007-11-21 株式会社興人 水性切削液、水性スラリー及びこれを用いる硬脆性難削材料の切断方法
CN102435538A (zh) * 2011-12-01 2012-05-02 西南石油大学 一种悬浮稳定性测试装置及测试方法
JP6064689B2 (ja) * 2013-03-11 2017-01-25 株式会社Ihi 油品質・健全性判定装置および油品質・健全性判定方法
CN203577705U (zh) * 2013-11-12 2014-05-07 重庆德蒙特科技发展有限公司 切削液振荡摇匀装置
CN103604767B (zh) * 2013-11-26 2016-05-04 中国南方航空工业(集团)有限公司 切削油中钴含量的测定方法
CN103865622B (zh) * 2014-03-11 2015-08-19 东莞市安美润滑科技有限公司 全合成水性不锈钢切削液、制备方法及其使用方法
CN106800963B (zh) * 2015-11-26 2019-11-22 比亚迪股份有限公司 一种水溶油金属切削液原料及金属切削液
CN106918623B (zh) * 2017-05-17 2019-08-27 青岛理工大学 纳米流体切削液热物理性质参数集成在线测量系统
CN207760302U (zh) * 2017-12-07 2018-08-24 合肥乾丰润滑科技有限公司 一种乳化切削液调配装置
RU2688580C1 (ru) * 2018-02-06 2019-05-21 Игорь Геннадиевич Лапшин Способ определения низкотемпературных свойств смесей углеводородов и нефтепродуктов
CN108970482A (zh) * 2018-07-13 2018-12-11 桐乡凡达石油制品有限公司 一种搅拌桶及使用该搅拌桶的制备环保切削油的方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4412185B2 (ja) * 2005-01-28 2010-02-10 株式会社富士通ゼネラル 熱伝達率試験装置
CN105424891A (zh) * 2015-12-20 2016-03-23 重庆德蒙特科技发展有限公司 切削液泡沫性能测试设备
CN208115613U (zh) * 2018-03-19 2018-11-20 苏州铱诺化学材料有限公司 一种具有快速调温功能的环境亲和型乳化切削液混合釜
CN208921533U (zh) * 2018-07-27 2019-05-31 湖南省泽环检测技术有限公司 废水检测用加热装置
CN209985369U (zh) * 2019-05-14 2020-01-24 南京维泰新材料科技有限公司 一种切削液的调和加热设备
CN210613683U (zh) * 2019-07-04 2020-05-26 俄美达(武汉)有限公司 一种切削液用加热反应釜
CN112198186A (zh) * 2020-07-28 2021-01-08 重庆安美新材料有限公司 一种切削液高温稳定性测试方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Pharmaceutical Machinery industry standard", 6 September 1994, PEOPLE'S REPUBLIC OF CHINA , CN, article TAN, SHULAN: "JB/T 7453-94 Micro-Emulsification Cutting Fluid", pages: 1 - 9, XP009534128 *
TAN, SHULAN: "Synthetic Cutting fluids", PEOPLE'S REPUBLIC OF CHINA MACHINERY INDUSTRY STANDARD GB6144-85, 20 June 1985 (1985-06-20), People's Republic of China, XP009534129 *

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