JP2007002175A - Method for processing/cleaning metal parts and oil for processing/cleaning for us in the same - Google Patents
Method for processing/cleaning metal parts and oil for processing/cleaning for us in the same Download PDFInfo
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- JP2007002175A JP2007002175A JP2005186628A JP2005186628A JP2007002175A JP 2007002175 A JP2007002175 A JP 2007002175A JP 2005186628 A JP2005186628 A JP 2005186628A JP 2005186628 A JP2005186628 A JP 2005186628A JP 2007002175 A JP2007002175 A JP 2007002175A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 59
- 239000002184 metal Substances 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims description 16
- 239000003921 oil Substances 0.000 claims abstract description 55
- 239000002199 base oil Substances 0.000 claims abstract description 20
- 229930195734 saturated hydrocarbon Natural products 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 239000000654 additive Substances 0.000 claims abstract description 16
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000003599 detergent Substances 0.000 abstract description 22
- 239000000203 mixture Substances 0.000 abstract description 10
- 238000004821 distillation Methods 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000012459 cleaning agent Substances 0.000 description 43
- 238000001035 drying Methods 0.000 description 21
- 239000004215 Carbon black (E152) Substances 0.000 description 12
- 229930195733 hydrocarbon Natural products 0.000 description 12
- 150000002430 hydrocarbons Chemical class 0.000 description 12
- CNPVJWYWYZMPDS-UHFFFAOYSA-N 2-methyldecane Chemical compound CCCCCCCCC(C)C CNPVJWYWYZMPDS-UHFFFAOYSA-N 0.000 description 10
- 239000003209 petroleum derivative Substances 0.000 description 10
- 238000009835 boiling Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- SGVYKUFIHHTIFL-UHFFFAOYSA-N 2-methylnonane Chemical compound CCCCCCCC(C)C SGVYKUFIHHTIFL-UHFFFAOYSA-N 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 7
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000005238 degreasing Methods 0.000 description 5
- GTJOHISYCKPIMT-UHFFFAOYSA-N 2-methylundecane Chemical compound CCCCCCCCCC(C)C GTJOHISYCKPIMT-UHFFFAOYSA-N 0.000 description 4
- VKPSKYDESGTTFR-UHFFFAOYSA-N isododecane Natural products CC(C)(C)CC(C)CC(C)(C)C VKPSKYDESGTTFR-UHFFFAOYSA-N 0.000 description 4
- HGEMCUOAMCILCP-UHFFFAOYSA-N isotridecane Natural products CCCCCCCCCCC(C)C HGEMCUOAMCILCP-UHFFFAOYSA-N 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- IIYFAKIEWZDVMP-UHFFFAOYSA-N tridecane Chemical compound CCCCCCCCCCCCC IIYFAKIEWZDVMP-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229940094933 n-dodecane Drugs 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 238000010407 vacuum cleaning Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 239000008041 oiling agent Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Detergent Compositions (AREA)
- Lubricants (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
Description
本発明は、自動車、機械、精密機器、電気、電子等の工業分野における各種の金属部品に対し、切削、研削、プレス加工など種々の加工およびその後の処理をおこなうに適した油に関し、より詳しくは、焼結金属などの複雑な構造の部品等に対して、良好な加工及びその際に発生したダスト等の洗浄ができ、洗浄工程管理が容易であるとともに、洗浄剤消費量が少なく、経済性にも優れた金属部品の加工・洗浄方法およびこれに用いる加工・洗浄用油を提供するものである。 The present invention relates to an oil suitable for performing various processes such as cutting, grinding, and pressing and subsequent processes on various metal parts in industrial fields such as automobiles, machines, precision instruments, electricity, and electronics. Can clean parts with complicated structure such as sintered metal, clean the dust generated at that time, manage the cleaning process easily, consume less detergent, The present invention provides a processing / cleaning method for metal parts having excellent properties and a processing / cleaning oil used therefor.
自動車、機械、精密機器、電気、電子等の工業分野において、各種部品等の加工に際して不水溶性加工油が用いられる。この不水溶性加工油には必要に応じた諸特性を付与するために、一般に鉱油、合成油を基油として、これに極圧剤、油性剤、粘度指数向上剤、酸化防止剤、流動点降下剤、さび止め剤などの各種添加剤を配合したものが使用されている（例えば特開平４−２０５９８号公報）。 In industrial fields such as automobiles, machines, precision equipment, electricity, and electronics, water-insoluble processing oil is used for processing various parts. In order to give various properties as necessary to this water-insoluble processing oil, generally mineral oil and synthetic oil are used as base oil, and extreme pressure agent, oiliness agent, viscosity index improver, antioxidant, pour point A compound containing various additives such as a depressant and a rust inhibitor is used (for example, JP-A-4-20598).
さらにこれらの加工油を用いて得られた各種加工部品に対し、防錆処理などの次工程を施す場合においては、あらかじめ上記加工油を洗浄除去処理をおこなう必要があるが、この場合特に錆びやすい部品や脱脂の難しい部品については、古くから脱脂力が高く不燃性の１，１，１−トリクロロエタン、フロン１１３、トリクロロエチレン、テトラクロロエチレン等のハロゲン系溶剤を使用した洗浄が行われてきた。 Furthermore, when performing the following steps such as rust prevention treatment on various processed parts obtained using these processing oils, it is necessary to wash and remove the above processing oils in advance. Parts and parts that are difficult to degrease have long been cleaned using halogen solvents such as 1,1,1-trichloroethane, Freon 113, trichloroethylene, and tetrachloroethylene, which have high degreasing power and are nonflammable.
しかし、これらのハロゲン系溶剤は、環境問題、毒性問題等により使用が困難であるところから、その代替洗浄剤として次第に水系、フッ素系、アルコール系、グリコールエーテル系、炭化水素系などの各種洗浄剤への代替が行われるようになった。 さらにこれらの代替洗浄剤についても、水系洗浄剤は、不燃性であるが金属部品に対してしみや腐食問題を起こしやすく、脱脂力も劣り、かつすすぎ、乾燥、廃水処理等の付帯設備やそのための広いスペ−スが必要であること、またフッ素系洗浄剤であるＨＣＦＣ、ＨＦＣ、ＨＦＥ等は、非水系の不燃性溶剤として扱えるが、ＨＦＣはオゾン層破壊問題により全廃時期が決まっており、ＨＦＣやＨＦＥは脱脂力が弱く、地球温暖化問題も懸念され、将来的な代替洗浄剤にはなり得ないものと考えられている。 However, since these halogen-based solvents are difficult to use due to environmental problems, toxicity problems, etc., various cleaning agents such as water-based, fluorine-based, alcohol-based, glycol ether-based, hydrocarbon-based cleaning agents are gradually used as alternative cleaning agents. An alternative to was started. In addition, for these alternative cleaning agents, water-based cleaning agents are nonflammable, but are liable to cause stains and corrosion problems on metal parts, have poor degreasing power, and have incidental facilities for rinsing, drying, wastewater treatment, and the like. HCFC, HFC, HFE, etc., which are fluorinated detergents, can be treated as non-aqueous non-flammable solvents, but HFC is completely abolished due to the ozone depletion problem. And HFE are weak in degreasing power and are concerned about the problem of global warming, and are considered to be a future alternative cleaning agent.
さらにイソプロピルアルコール等のアルコール系やグリコールエーテル系の洗浄剤は、上記に示す地球環境問題はないものの、引火の危険性があり、加えて、脱脂力、乾燥性、安定性、毒性、臭気、回収性等のいずれかの問題要因を含んでいる。また炭化水素系洗浄剤は、可燃性を有する欠点があるが、他の代替洗浄剤と比べて脱脂力に優れており、安定性、回収性等の洗浄剤の必要な性能を併せ持つため、比較的引火点の高い第二石油類や第三石油類の炭化水素系洗浄剤が、高い清浄度を要求される部品や、精密部品の洗浄などにおいて好ましく使用されている（例えば特開平６−２９３８９８号公報）。 In addition, alcohol-based and glycol ether-based cleaning agents such as isopropyl alcohol do not have the global environmental problems shown above, but there is a risk of ignition. In addition, degreasing power, drying performance, stability, toxicity, odor, recovery It includes any problem factors such as sex. In addition, hydrocarbon-based detergents have the disadvantage of being flammable, but they are superior in degreasing power compared to other alternative detergents, and have the performance required for detergents such as stability and recoverability. The second and third petroleum hydrocarbon cleaners having a high flash point are preferably used for cleaning high precision parts and precision parts (for example, JP-A-6-293898). Issue gazette).
また、炭化水素系洗浄剤を用いた洗浄方法としては、大気圧下における浸漬洗浄、減圧下で洗浄剤を大気圧下での引火点以上に加熱して洗浄する真空洗浄や真空ベーパー洗浄等があり、乾燥方法は温風乾燥、真空乾燥、真空ベーパー乾燥等が実施されている。さらに洗浄性を向上させるために、洗浄剤の加温、超音波の照射、部品の揺動、洗浄剤の噴流などを組み合わせた洗浄も行われている。近年では、環境影響や洗浄剤使用量削減のため、大気への洗浄剤排出量が少ない真空洗浄乾燥機や、真空ベーパー乾燥機が好ましく使用されている（例えば特開平６−１５２３９号公報）。 Also, cleaning methods using hydrocarbon-based cleaning agents include immersion cleaning under atmospheric pressure, vacuum cleaning or vacuum vapor cleaning in which the cleaning agent is heated to a temperature above the flash point under atmospheric pressure and cleaning. The drying method includes hot air drying, vacuum drying, vacuum vapor drying and the like. In order to further improve the cleaning performance, cleaning is performed in combination with heating of the cleaning agent, irradiation of ultrasonic waves, swinging of parts, jet of cleaning agent, and the like. In recent years, vacuum cleaning dryers and vacuum vapor dryers that reduce the amount of cleaning agent discharged to the atmosphere have been preferably used in order to reduce the environmental impact and the amount of cleaning agent used (for example, JP-A-6-15239).
これらの炭化水素系洗浄剤を使用する洗浄乾燥機には蒸留回収機が付設され、洗浄剤を蒸留回収して繰り返し使用される。一般に従来の加工油は、洗浄剤と比べて沸点が高いため、蒸留回収機で洗浄剤成分と加工油成分を容易に分離できる。
しかし、従来の部品等の加工及び洗浄方法には以下の問題がある。特に細孔を多く有する構造の焼結金属部品などのような物理的に汚れと洗浄剤が接触しがたい複雑な構造を有する部品等の洗浄や、多数の部品等を洗浄籠に入れて密着した条件下で洗うような場合には、上記した洗浄力の優れた炭化水素系洗浄剤であっても、旧来のハロゲン系溶剤のような短時間での洗浄が難しく、十分な清浄度が得られないという問題がある。 However, conventional processing and cleaning methods for parts and the like have the following problems. In particular, cleaning of parts with complicated structures where it is difficult for the dirt and detergent to come into physical contact, such as sintered metal parts with a lot of pores, etc. In the case of washing under the above-mentioned conditions, even with the above-described hydrocarbon-based cleaning agents having excellent detergency, it is difficult to clean in a short time like conventional halogen-based solvents, and sufficient cleanliness is obtained. There is a problem that can not be.
このような問題に対し、炭化水素系洗浄剤でも洗浄され易い低粘度の加工油を使用して加工する試みもなされてきたが、このような加工油は低沸点の鉱物油等を基油として使用しており、洗浄剤との沸点差が小さいために、洗浄剤を蒸留回収する際に加工油成分も洗浄剤とともに蒸留回収される。そのため、洗浄剤の組成変化による洗浄性の低下や乾燥性の悪化が起こり、洗浄剤の成分管理が必要になり、洗浄剤の回収率を低下せざるを得なく、洗浄剤消費量が多くなり、管理上も非常に煩わしい問題が発生する。 To deal with such problems, attempts have been made to use low-viscosity processing oils that can be easily washed with hydrocarbon-based detergents. However, such processing oils are based on low-boiling mineral oils as base oils. Because the difference in boiling point from the cleaning agent is small, the processing oil component is also distilled and recovered together with the cleaning agent when the cleaning agent is recovered by distillation. For this reason, the cleaning property is deteriorated due to changes in the composition of the cleaning agent and the drying property is deteriorated, and it is necessary to manage the components of the cleaning agent. Therefore, a very troublesome problem occurs in management.
本発明は、上記した加工油の洗浄が難しい部品等に対して、加工油を用いた部品の良好な加工及び該加工油の洗浄が容易で、洗浄工程管理が簡単であるとともに、洗浄剤消費量が少なく、経済性に優れた金属部品の加工・洗浄用油を提案するものである。具体的には、基油が炭素数１０〜１３の飽和炭化水素成分を少なくとも９０容量％以上含むものである洗浄用油と、これにさらに極圧剤、油性剤、粘度指数向上剤、酸化防止剤、流動点降下剤、さび止め剤のうち、少なくとも１種の添加剤を混合してなる加工用油とからなる金属部品類の加工・洗浄用油に関する。 In the present invention, it is easy to clean the parts using the processing oil and the processing oil easily, and the cleaning process management is easy for the parts that are difficult to clean the processing oil. We propose a processing and cleaning oil for metal parts that is small in volume and excellent in economic efficiency. Specifically, the cleaning oil in which the base oil contains at least 90% by volume of a saturated hydrocarbon component having 10 to 13 carbon atoms, and an extreme pressure agent, oiliness agent, viscosity index improver, antioxidant, The present invention relates to an oil for processing / cleaning metal parts composed of a processing oil obtained by mixing at least one additive among a pour point depressant and a rust inhibitor.
また本発明は、炭素数１０〜１３の飽和炭化水素成分を少なくとも９０容量％以上含有した基油に、添加剤として極圧剤、油性剤、粘度指数向上剤、酸化防止剤、流動点降下剤、さび止め剤のうち、少なくとも１種を混合した加工用油により金属部品類の加工をおこなった後、上記添加剤を含まない基油により加工部品類の洗浄をおこなうようにした金属部品類の加工・洗浄方法に関する。 Further, the present invention provides a base oil containing at least 90% by volume of a saturated hydrocarbon component having 10 to 13 carbon atoms as an additive, an extreme pressure agent, an oiliness agent, a viscosity index improver, an antioxidant, a pour point depressant. , After processing metal parts with a processing oil mixed with at least one of the rust inhibitors, and then cleaning the processed parts with a base oil that does not contain the above additives. It relates to processing and cleaning methods.
本発明は、基油として炭素数１０〜１３の飽和炭化水素成分を少なくとも９０容量％以上含み、これに添加剤として極圧剤、油性剤、粘度指数向上剤、酸化防止剤、流動点降下剤、さび止め剤のうち、１種または２種以上を混合してなるものを加工用油として用いるものであるために、金属部品類の加工後においてこれを洗浄する場合に、上記加工用油の基油、すなわち添加剤を含まない炭素数１０〜１３の飽和炭化水素成分を少なくとも９０容量％以上含有したものを共用することができ、洗浄工程管理が容易であるとともに、洗浄剤消費量が少なく、経済性にも優れた加工及び洗浄が可能となる。 The present invention includes at least 90% by volume or more of a saturated hydrocarbon component having 10 to 13 carbon atoms as a base oil, and an extreme pressure agent, oiliness agent, viscosity index improver, antioxidant, pour point depressant as additives. In the case of washing the metal parts after processing one or two or more kinds of rust preventives used as a processing oil, A base oil, that is, one containing at least 90% by volume of a saturated hydrocarbon component having 10 to 13 carbon atoms that does not contain an additive can be shared, and the cleaning process management is easy and the consumption of the cleaning agent is small. Further, processing and cleaning excellent in economic efficiency are possible.
またとくに細孔を多く有する構造を持つ焼結金属部品などのような物理的に汚れと洗浄剤が接触し難い複雑な構造を有する部品等の洗浄や、多数の部品等を洗浄籠に入れて密着した条件下で洗うような高い洗浄性が要求される条件下の部品等に対して、良好な加工及び洗浄が可能となる。さらにこの場合に、加工部品の洗浄に使用することで加工用油が混入した洗浄剤を蒸留回収しても洗浄剤の組成変化が起こらず、その回収率を高めることができ、長期的に安定した洗浄、乾燥が可能となる。 In addition, cleaning of parts with complicated structures where it is difficult for physical dirt and detergent to come into contact with each other, such as sintered metal parts having a structure with many pores, or putting many parts in a cleaning bowl Good processing and washing can be performed on parts and the like under conditions that require high washability such as washing under close contact conditions. Furthermore, in this case, the composition of the cleaning agent does not change even if the cleaning agent mixed with processing oil is recovered by distillation by using it for cleaning of the processed parts, and the recovery rate can be increased and stable for a long time. Can be washed and dried.
以下において本発明の具体的な内容を詳細に説明する。金属加工後の加工用油を含めた部品類の洗浄に用いられる洗浄剤に関して種々研究したところ、不飽和炭化水素や芳香族炭化水素等は、安定性、毒性、臭気等のいずれかの問題があるところからこれを避け、飽和炭化水素成分が有効であることが解った。 The specific contents of the present invention will be described in detail below. Various studies have been conducted on cleaning agents used to clean parts including processing oil after metal processing. Unsaturated hydrocarbons and aromatic hydrocarbons have problems such as stability, toxicity, and odor. From some places, this was avoided, and it was found that saturated hydrocarbon components were effective.
しかもこの場合に飽和炭化水素の炭素数が９以下の場合は、引火点が４０℃以下となるため、使用中に引火の危険性が高く、炭素数が１４以上の場合は、沸点が２５０℃以上となり、乾燥性の悪化や良好な洗浄効果も得られなくなるばかりか、汚れとの分離性も悪くなり、蒸留回収して繰り返し使用することが困難となる。その結果炭素数が１０〜１３の飽和炭化水素成分が有効であるとの結論に達した。 Moreover, in this case, when the carbon number of the saturated hydrocarbon is 9 or less, the flash point is 40 ° C. or less, so there is a high risk of ignition during use, and when the carbon number is 14 or more, the boiling point is 250 ° C. As described above, not only the drying property is deteriorated and the good cleaning effect is not obtained, but also the separation property from dirt is deteriorated, and it is difficult to recover by distillation and repeatedly use. As a result, it was concluded that a saturated hydrocarbon component having 10 to 13 carbon atoms is effective.
さらに洗浄用に使用される炭素数１０〜１３の飽和炭化水素としては特に限定されるものではなく、例えば、ｎ−デカン、イソデカン、ｎ−ウンデカン、イソウンデカン、ｎ−ドデカン、イソドデカン、ｎ−トリデカン、イソトリデカン等が挙げられ、これらの混合物としても使用することができる。 Furthermore, it is not specifically limited as a C10-13 saturated hydrocarbon used for washing | cleaning, For example, n-decane, isodecane, n-undecane, isoundecane, n-dodecane, isododecane, n-tridecane , Isotridecane and the like, and a mixture thereof can also be used.
さらに上記した金属加工品の洗浄剤について、その主成分である炭素数１０〜１３の飽和炭化水素を金属部品類加工用に用いる加工用油の基油と共通化すれば、洗浄剤に各種添加剤を添加することでそのまま加工用油としても用いることができることを見出し、本発明を完成させるに至った。すなわちこの場合における加工用油の基油は炭素数１０〜１３の飽和炭化水素成分からなる必要がある。 Furthermore, with regard to the above-mentioned detergents for metal processed products, if the saturated hydrocarbon having 10 to 13 carbon atoms, which is the main component, is shared with the base oil of the processing oil used for processing metal parts, various additions to the detergent It was found that it can be used as a processing oil as it is by adding an agent, and the present invention has been completed. That is, the base oil of the processing oil in this case needs to be composed of a saturated hydrocarbon component having 10 to 13 carbon atoms.
この場合、前記した洗浄剤と同じ炭素数１０〜１３の飽和炭化水素成分が９０容量％未満であると、洗浄剤の劣化が早く、経済性に劣るものとなり、また反対に９９容量％以上であると金属の加工性に劣るものとなる。したがって、基油のうち９０容量％以上９９容量％未満、さらに好ましくは９５容量％以上９８容量％未満が洗浄剤と同じ炭素数１０〜１３の飽和炭化水素成分からなるものであればよく、この場合に少量であれば洗浄剤と異なる炭素数１０〜１３の飽和炭化水素成分を含んでいてもよい。 In this case, if the saturated hydrocarbon component having 10 to 13 carbon atoms, which is the same as the above-described cleaning agent, is less than 90% by volume, the cleaning agent is deteriorated quickly and inferior in economy, and conversely at 99% by volume or more. If it exists, it will be inferior to the workability of a metal. Accordingly, it is sufficient that 90% by volume or more and less than 99% by volume, more preferably 95% by volume or more and less than 98% by volume of the base oil is composed of the same saturated hydrocarbon component having 10 to 13 carbon atoms as the cleaning agent. If the amount is small, it may contain a C10-13 saturated hydrocarbon component different from the cleaning agent.
金属部品類加工用加工油の基油として用いられる炭素数１０〜１３の飽和炭化水素としては特に限定されるものではなく、例えば、ｎ−デカン、イソデカン、ｎ−ウンデカン、イソウンデカン、ｎ−ドデカン、イソドデカン、ｎ−トリデカン、イソトリデカン等が挙げられ、これらの混合物としても使用することができる。さらに添加剤として必要に応じて極圧剤、油性剤、粘度指数向上剤、酸化防止剤、流動点降下剤、さび止め剤のうち、少なくとも１種を混合するのが好ましい。 The saturated hydrocarbon having 10 to 13 carbon atoms used as a base oil for processing oil for processing metal parts is not particularly limited. For example, n-decane, isodecane, n-undecane, isoundecane, n-dodecane. , Isododecane, n-tridecane, isotridecane and the like, and can be used as a mixture thereof. Furthermore, it is preferable to mix at least one of extreme pressure agents, oiliness agents, viscosity index improvers, antioxidants, pour point depressants and rust inhibitors as necessary as additives.
なお金属加工部品類の洗浄剤には、加工用油添加剤の溶解性を向上させるため、加工用油の諸特性や洗浄剤の乾燥性、安定性、回収性等の性能を低下させない範囲でアルコール、エステル、ケトン、グリコールエーテル、ナフテン系炭化水素等の溶剤を必要に応じて配合することが有効である。またこの場合に、使用条件に応じて少量の酸化防止剤や界面活性剤も配合することができる。 In order to improve the solubility of processing oil additives in cleaning agents for metalworking parts, the characteristics of processing oil and the performance of the cleaning agent such as drying, stability and recoverability are not reduced. It is effective to add a solvent such as alcohol, ester, ketone, glycol ether, or naphthenic hydrocarbon as necessary. In this case, a small amount of an antioxidant or a surfactant can be blended depending on the use conditions.
上記の組成からなる金属部品類の加工用油・洗浄剤を用いた加工金属部品類の洗浄及び乾燥方法については、特に限定されるものではなく、例えば洗浄方法については、大気圧下もしくは減圧下における浸漬洗浄、揺動洗浄、回転洗浄、超音波洗浄、シャワー洗浄及び真空ベーパー洗浄などが使用でき、また乾燥方法については、温風乾燥、吸引乾燥、回転乾燥、真空乾燥、真空ベーパー乾燥等を実施することができる。 There is no particular limitation on the method of cleaning and drying the metal parts using the processing oil / cleaning agent for metal parts having the above composition. For example, the cleaning method is under atmospheric pressure or reduced pressure. Immersion cleaning, rocking cleaning, rotary cleaning, ultrasonic cleaning, shower cleaning, vacuum vapor cleaning, etc. can be used. Drying methods include hot air drying, suction drying, rotary drying, vacuum drying, vacuum vapor drying, etc. Can be implemented.
さらに本発明の効果を十分発揮させるには、真空乾燥、真空ベーパー乾燥のように乾燥時に蒸発する洗浄剤を大気に放出させず捕捉でき、洗浄剤消費量の少ない乾燥方法を用い、蒸留回収機を付設した洗浄機を使用することが望ましい。これらの洗浄方法及び乾燥方法は、要求される清浄度や所要時間等を考慮して、単独もしくは数種類の方式を組み合わせて実施することができる。 Furthermore, in order to fully demonstrate the effects of the present invention, a distillation recovery machine that uses a drying method that can capture a cleaning agent that evaporates during drying, such as vacuum drying and vacuum vapor drying, without releasing it into the atmosphere and consumes a small amount of cleaning agent. It is desirable to use a washer equipped with. These cleaning methods and drying methods can be carried out singly or in combination of several types in consideration of the required cleanliness and required time.
〔実施例１〜４、比較例１〜７〕
本発明に係る金属部品類の加工・洗浄用油を用いて、焼結金属の加工及び洗浄試験を行った結果を表１に示す。表１には本発明に係る金属部品類の加工・洗浄用油を用いた実施例１〜４と、在来の各種加工油および洗浄剤を用いた比較例１〜７があらわされている。
[Examples 1 to 4, Comparative Examples 1 to 7]
Table 1 shows the results of processing and cleaning tests on sintered metal using the oil for processing and cleaning metal parts according to the present invention. Table 1 shows Examples 1 to 4 using processing and cleaning oils for metal parts according to the present invention, and Comparative Examples 1 to 7 using various conventional processing oils and cleaning agents.
＜加工性の評価＞
試験方法：焼結金属を表１の加工用油に浸漬してサイジング加工を行い、加工性の評価を行った
加工機：１５ｔプレス加工機
商品名「ＹＫＫ−１５０」有限会社山嘉工機製作所製
加工条件：金型を用いた塑性加工
材質：鉄系材
評価： ◎：仕上寸法誤差−５％以上＋５％未満
<Evaluation of workability>
Test method: Sintered metal was immersed in the processing oil shown in Table 1 and sizing was performed, and the workability was evaluated. Processing machine: 15t press processing machine
Product name “YKK-150” manufactured by Yamaka Koki Seisakusho Co., Ltd. Machining conditions: Plastic working using a mold
Material: Iron-based material Evaluation: A: Finish dimension error -5% or more + less than 5%
＜洗浄性の評価＞
試験方法：加工後の焼結金属を、下記条件で洗浄及び乾燥を行い、乾燥状態の観察及び残存油分の測定を行った
洗浄システム：ベーパー洗浄乾燥機
商品名「ＦＶＨ２−３０４０」株式会社クリンビー製
洗浄条件：第１槽、第２槽浸漬超音波洗浄
洗浄剤温度：４０℃ 洗浄時間：５分
乾燥条件：真空ベーパー乾燥
ベーパー温度：１１０℃、ベーパー時間：２分、乾燥時間：１０分
評価： ◎：残存油分０．０５ｍｇ未満
○：残存油分０．０５ｍｇ以上０．１ｍｇ未満
△：残存油分０．１ｍｇ以上０．２ｍｇ未満
×：残存油分０．２ｍｇ以上、または乾燥不良
<Evaluation of detergency>
Test method: The sintered metal after processing was washed and dried under the following conditions, the dry state was observed and the residual oil content was measured. Cleaning system: Vapor cleaning dryer
Product name “FVH2-3040” manufactured by Crimby Co., Ltd. Cleaning conditions: 1st tank, 2nd tank immersion ultrasonic cleaning
Cleaning agent temperature: 40 ° C Cleaning time: 5 minutes Drying conditions: Vacuum vapor drying
Vapor temperature: 110 ° C., Vapor time: 2 minutes, Drying time: 10 minutes Evaluation: A: Less than 0.05 mg of residual oil
○: Residual oil content 0.05 mg or more and less than 0.1 mg
Δ: Residual oil content 0.1 mg or more and less than 0.2 mg
X: Residual oil content 0.2 mg or more, or poor drying
＜洗浄剤組成変化の評価＞
試験方法：洗浄剤１００容量部、加工用油１０容量部の混合物をエバポレーターを使用して蒸留回収した
回収条件：圧力５０ｍｍＨｇ、加熱温度１３０℃、回収率９０容量％
評価： ○：回収液の洗浄剤成分９９容量％以上
△：回収液の洗浄剤成分９５容量％以上９９容量％未満、
×：回収液の洗浄剤成分９５容量％未満
<Evaluation of change in detergent composition>
Test method: A mixture of 100 parts by volume of detergent and 10 parts by volume of processing oil was recovered by distillation using an evaporator. Recovery conditions: pressure 50 mmHg, heating temperature 130 ° C., recovery rate 90% by volume
Evaluation: ○: 99% by volume or more of the detergent component of the recovered liquid
Δ: 95% by volume or more and less than 99% by volume of the detergent component of the recovered liquid,
×: Less than 95% by volume of the detergent component of the recovered liquid
これらの試験結果については表１に示した通りである。表１により明らかであるように本発明の金属部品類の加工・洗浄方法およびその加工・洗浄用油は、添加剤を含まない炭素数１０〜１３の飽和炭化水素成分を少なくとも９０容量％以上含有した基油を金属部品類の加工と洗浄とに共用することができ、加工時にはこれに添加剤を混入するだけであるために洗浄工程管理が容易であるとともに、洗浄剤消費量が少なく、経済性にも優れるばかりでなく、金属部品類の優れた加工性、洗浄性を有し、洗浄剤を蒸留回収しながら繰り返し使用しても洗浄剤成分の変化が起こらず安定した洗浄ができ、洗浄剤消費量も少なく、経済性にも優れていることがわかった。
（表１）
These test results are as shown in Table 1. As is apparent from Table 1, the metal parts processing / cleaning method and the processing / cleaning oil of the present invention contain at least 90% by volume of a saturated hydrocarbon component having 10 to 13 carbon atoms that does not contain additives. The processed base oil can be used for both processing and cleaning of metal parts. Since only additives are mixed in during processing, the cleaning process is easy to manage, and the consumption of cleaning agent is low. In addition to excellent workability, the metal parts have excellent processability and cleanability, and even if they are used repeatedly while collecting and cleaning the cleaning agent, the cleaning agent components do not change and stable cleaning is possible. It was found that the agent consumption was small and the economy was excellent.
(Table 1)
［加工用油（重量部）］ ［洗浄剤（重量部）］ ［評 価］
基 油 添加剤 加工性 洗浄性 組成変化
実施例１ HC-250(97) J-1(3) HC-250(100) ◎ ◎ ○
実施例２ HC-370(97) 同上 HC-370(100) ◎ ◎ ○
実施例３ イソウンデカン(97) イソウンデカン(100)
同上 ◎ ◎ ○
実施例４ イソドデカン(97) イソドデカン(100)
同上 ◎ ○ ○
比較例１ 石油系炭化水素A(97) HC-250(100)
◎ ◎ ×
比較例２ 同上 同上 石油系炭化水素A(100) ◎ × △
比較例３ 石油系炭化水素B(97) HC-250(100)
同上 ◎ ○ ×
比較例４ 同上 同上 石油系炭化水素B(100) ◎ △ △
比較例５ 石油系炭化水素C(97) HC-250(100)
同上 ◎ ○ ×
比較例６ 同上 同上 石油系炭化水素C(100) ◎ × △
比較例７ 鉱物油(97) 同上 HC-250(100) ◎ × ○
（注）
＊１ ＨＣ−２５０：東ソー株式会社製炭化水素系洗浄剤
引火点５３℃、沸点１７３℃、主成分：ｎ−デカン
＊２ ＨＣ−３７０：東ソー株式会社製炭化水素系洗浄剤
引火点７０℃、沸点１９６℃、主成分：ｎ−ウンデカン
＊３ 石油系炭化水素Ａ：パラフィン系炭化水素
商品名「０号ソルベント」（新日本石油株式会社製）
引火点６６℃、沸点１８５〜２００℃
＊４ 石油系炭化水素Ｂ：ナフテン系炭化水素
商品名「テクリーンＮ１６」（新日本石油株式会社製）
引火点４４℃、沸点１６０〜１８０℃
＊５ 石油系炭化水素Ｃ：ナフテン系炭化水素
商品名「テクリーンＮ２０」（新日本石油株式会社製）
引火点７２℃、沸点２００〜２２０℃
＊６ 鉱物油：商品名「スーパーオイルＮ」（新日本石油株式会社製）
引火点１５８℃
＊７ Ｊ−１：株式会社ジャパンエナジー製加工用油添加剤
主成分：亜リン酸エステル
[Processing oil (parts by weight)] [Cleaning agent (parts by weight)] [Evaluation]
Base oil Additives Processability Detergency Composition change Example 1 HC-250 (97) J-1 (3) HC-250 (100) ◎ ◎ ○
Example 2 HC-370 (97) Same as above HC-370 (100) ◎ ◎ ○
Example 3 Isoundecane (97) Isoundecane (100)
Same as above ◎ ◎ ○
Example 4 Isododecane (97) Isododecane (100)
Same as above ◎ ○ ○
Comparative Example 1 Petroleum hydrocarbon A (97) HC-250 (100)
◎ ◎ ×
Comparative Example 2 Same as above Same as above Petroleum hydrocarbon A (100) ◎ × △
Comparative Example 3 Petroleum hydrocarbon B (97) HC-250 (100)
Same as above ◎ ○ ×
Comparative Example 4 Same as above Same as above Petroleum hydrocarbon B (100) ◎ △ △
Comparative Example 5 Petroleum hydrocarbon C (97) HC-250 (100)
Same as above ◎ ○ ×
Comparative Example 6 Same as above Same as above Petroleum hydrocarbon C (100) ◎ × △
Comparative Example 7 Mineral oil (97) Same as above HC-250 (100) ◎ × ○
(note)
* 1 HC-250: Tosoh Corporation hydrocarbon-based cleaning agent
Flash point 53 ° C., boiling point 173 ° C., main component: n-decane * 2 HC-370: hydrocarbon detergent manufactured by Tosoh Corporation
Flash point 70 ° C, boiling point 196 ° C, main component: n-undecane * 3 Petroleum hydrocarbon A: paraffin hydrocarbon
Product name “No. 0 Solvent” (manufactured by Nippon Oil Corporation)
Flash point 66 ° C, boiling point 185-200 ° C
* 4 Petroleum hydrocarbon B: Naphthenic hydrocarbon
Product name “Tecline N16” (manufactured by Nippon Oil Corporation)
Flash point 44 ° C, boiling point 160-180 ° C
* 5 Petroleum hydrocarbon C: Naphthenic hydrocarbon
Product name “Tecline N20” (manufactured by Nippon Oil Corporation)
Flash point 72 ° C, boiling point 200-220 ° C
* 6 Mineral oil: Trade name “Super Oil N” (manufactured by Nippon Oil Corporation)
Flash point 158 ° C
* 7 J-1: Japan Energy Co., Ltd. processing oil additive
Main component: Phosphite
Claims (4)
The method for processing and cleaning metal parts according to claim 3, wherein the saturated hydrocarbon component having 10 to 13 carbon atoms contained in the base oil is 95 vol% or more and less than 98 vol%.
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| JP2011506064A (en) * | 2007-12-14 | 2011-03-03 | ハイ テク コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for forming a polymer coating |
| JP2015183120A (en) * | 2014-03-25 | 2015-10-22 | Ｊｘ日鉱日石エネルギー株式会社 | Aluminum machining oil composition |
| CN114196461A (en) * | 2020-09-17 | 2022-03-18 | 中国石油化工股份有限公司 | Cleaning oil composition for heavy-duty axle and preparation method and application thereof |
| WO2024009951A1 (en) * | 2022-07-07 | 2024-01-11 | Ｅｎｅｏｓ株式会社 | Base oil for metalworking oil composition, and metalworking oil composition |
| JP7512986B2 (en) | 2021-09-17 | 2024-07-09 | Ｊｆｅスチール株式会社 | Product manufacturing equipment and product manufacturing method |
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| JPH07283353A (en) * | 1994-04-07 | 1995-10-27 | Hitachi Cable Ltd | Method for manufacturing lead frame |
| JP2004083917A (en) * | 1995-12-12 | 2004-03-18 | New Japan Chem Co Ltd | Lubricant |
| JP2003277961A (en) * | 2002-03-20 | 2003-10-02 | Kobe Steel Ltd | Method for working metallic material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011506064A (en) * | 2007-12-14 | 2011-03-03 | ハイ テク コーティングス ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method for forming a polymer coating |
| JP2015183120A (en) * | 2014-03-25 | 2015-10-22 | Ｊｘ日鉱日石エネルギー株式会社 | Aluminum machining oil composition |
| CN114196461A (en) * | 2020-09-17 | 2022-03-18 | 中国石油化工股份有限公司 | Cleaning oil composition for heavy-duty axle and preparation method and application thereof |
| JP7512986B2 (en) | 2021-09-17 | 2024-07-09 | Ｊｆｅスチール株式会社 | Product manufacturing equipment and product manufacturing method |
| WO2024009951A1 (en) * | 2022-07-07 | 2024-01-11 | Ｅｎｅｏｓ株式会社 | Base oil for metalworking oil composition, and metalworking oil composition |
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| JP5021186B2 (en) | 2012-09-05 |
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