SE505859C2 - Förfarande för mekanisk bearbetning med användande av en kylande och smörjande komposition, som består av koldioxid med tillsats av ett polärt smörjmedel - Google Patents

Förfarande för mekanisk bearbetning med användande av en kylande och smörjande komposition, som består av koldioxid med tillsats av ett polärt smörjmedel

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Publication number
SE505859C2
SE505859C2 SE9600042A SE9600042A SE505859C2 SE 505859 C2 SE505859 C2 SE 505859C2 SE 9600042 A SE9600042 A SE 9600042A SE 9600042 A SE9600042 A SE 9600042A SE 505859 C2 SE505859 C2 SE 505859C2
Authority
SE
Sweden
Prior art keywords
group
carbon dioxide
polar
organic compound
process according
Prior art date
Application number
SE9600042A
Other languages
English (en)
Other versions
SE9600042D0 (sv
SE9600042L (sv
Inventor
Rolf Skoeld
Original Assignee
Rolf Skoeld
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolf Skoeld filed Critical Rolf Skoeld
Priority to SE9600042A priority Critical patent/SE505859C2/sv
Publication of SE9600042D0 publication Critical patent/SE9600042D0/sv
Priority to AT96944719T priority patent/ATE222282T1/de
Priority to RU98114846/02A priority patent/RU2173248C2/ru
Priority to US09/101,156 priority patent/US6083887A/en
Priority to AU13235/97A priority patent/AU1323597A/en
Priority to PCT/SE1996/001701 priority patent/WO1997025393A1/en
Priority to EP96944719A priority patent/EP0901510B1/en
Priority to BR9612424A priority patent/BR9612424A/pt
Priority to DE69623051T priority patent/DE69623051T2/de
Priority to KR1019980705099A priority patent/KR19990076971A/ko
Priority to JP9525126A priority patent/JP2000505826A/ja
Priority to CN96199511A priority patent/CN1079423C/zh
Publication of SE9600042L publication Critical patent/SE9600042L/sv
Publication of SE505859C2 publication Critical patent/SE505859C2/sv

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    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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Description

10 15 im 25 30 35 505 859 2 gränser men ligger normalt inom området från 0 till 20, företrädesvis från 0.5-4 viktprocent av mängden koldioxid.
Företrädesvis har de organiska föreningarna en koktemperatur över 250°C och en smältpunkt under 5°C, företrädesvis under - 5°C. Den organiska föreningen är löslig eller dispergerbar i koldioxiden och innehåller åtminstone en polär grupp vald från gruppen, som utgöres av en etergrupp, en hydroxylgrupp, en karboxylgrupp, en estergrupp och en amidgrupp eller blandningar därav.
Lämpliga och föredragna polära organiska föreningar är alkoholer med en molekylvikt av 130-280, företrädesvis 140-200; karboxylsyror med molekylvikter från 140-320, före- trädesvis 150-220; alkyleterkarboxylsyror med molkylvikter från 155-1000, företrädesvis 170-600; polyoler eller etrar och estrar därav med en molekylvikt från 140-1000, före- trädesvis 140-800; estrar av fettsyror med molekylvikter från 155-400, företrädesvis 165-350; och alkanolamider mellan monokarboxylsyror och alkanolaminer eller alkoxylat därav med molekylvikter av 180-1000, företrädesvis 230-700.
Lämpliga exempel på användbara organiska föreningar enligt föreliggande uppfinning är sådana med formeln R1OH, där R1 är en grenad eller rak, mättad eller omättad, ali- fatisk eller acylisk grupp med 9-18 kolatomer, såsom grenade alkylgrupper med 9-15 kolatomer eller grenade acylgrupper.
Andra exempel är esterföreningar med formeln RZCOOR3, där R2C0 är en acylgrupp, företrädesvis en grenad eller omättad acylgrupp med 10-20 kolatomer, såsom oleylgruppen eller iso- stearylgruppen, och Ra är en alkylgrupp med 1-Ä kolatomer.
En annan grupp av föredragna organiska föreningar är de med formeln R4(A)n0R5, där R, och Rs oberoende av varandra är väte, en acylgrupp eller en alkylgrupp med 1-20 kolatomer, A är en oxialkylengrupp med 2-4 kolatomer och n är ett tal från 2-18. Företrädesvis är en eller två av grupperna R4 och RS väte. Ännu en annan grupp av föredragna organiska föreningar är de med formeln R6C0N(X)Rq0(A)nRa, där RGCO är en acylgrupp med 8-20 kolatomer, företrädesvis en grenad eller omättad acylgrupp, X är väte eller Rq0(A)nR9, där R7 är 10 15 20 25 30 35 so5 ss9 3 en alkylengrupp med 2-8 kolatomer och A är en alkylenoxi- grupp med 2-4 kolatomer, R, är en väte eller en alkyl eller acylgrupp med 1-6 kolatomer och n är ett tal från 0-8.
Ytterligare exempel av lämpliga föreningar är alkyleter- karboxylsyror med formeln R,0(A)xCH,CO0H, där R, är en alkyl- grupp med 6-18 kolatomer, A är en alkylenoxigrupp med 2-4 kolatomer och x är ett tal från 0-10.
Vid förfarandet enligt uppfinningen kan den polära föreningen införas i den flytande kolväteströmmen med hjälp av exempelvis en högtryckspump innan koldioxiden expanderas och appliceras på verktyget och/eller den metallyta som skall bearbetas. Koldioxiden expanderas från flytande till- stånd till gas omedelbart före, d.v.s. normalt inom mindre än 10 sekunder före applikationen, i avsikt att erhålla en så god kylande effekt som möjligt. Den polära föreningen kan också lagras i en homogen vätska tillsammans med koldioxiden under tryck. På detta sätt kan ett konstant förhållande mellan den polära föreningen och koldioxiden säkerställas.
För det falla att den organiska föreningen har en jäm- förelsevis hög smältpunkt eller en hög viskositet kan det vara önskvärt att upphetta den innan den blandas med koldi- oxiden antingen i vätskeform eller som expanderad gas.
I en lämplig utförandeform matas den flytande bland- ningen av smörjmedlet och koldioxiden genom inre kanaler inom bearbetningsverktyget, exempelvis ett borr, till bear- betningsytan. Tvärsnittsytan per kanal kan variera inom vida gränser, men är normalt från 0.01 till 1 mmz, företrädesvis från o.o2-o.2 mmz. ' Uppfinningen illustreras ytterligare av följande ut- föringsexempel.
Exempel 1 Tester utfördes med ett antal olika smörjmedelstill- satser i en mängd av 2 viktprocent baserad på mängden koldi- oxid. Koldioxiden tillsattes kontinuerligt i en mängd av 1.5 kg per timme till borrytan. Smörjmedeltillsatsen pumpades in i flödet av flytande koldioxid vid rumstemperatur och ett tryck av 57 bar. Den erhållna blandningen tilläts därefter 10 15 20 25 30 505 859 4 att expandera ca 1 cm från borrets bearbetningsyta. Borrdia- metern var 6 mm, borrhålet hade ett maximalt djup av 6 mm, matningshastigheten var 0.17 mm/varv vid en periferisk borr- hastighet av 46 m/min eller 40 m/min. Prestanda utvärderades genom antalet borrhål, som var möjliga att borra, innan borret var obrukbart. Följande resultat erhölls.
Förening .i .EW .ll H¿.
Metyloleat Isobutyloleat Metylkokoat Dioktylester av adipinsyra Trimetylolpropantrioleat Oleylmonoetanolamid + 2 EO Kokofettsyradietanolamid Oleylmonoetanolamid + 4 EO 1 2 3 4 5 6 7 8 9 C,¿1-oxoalkchol F' O iso-stearinsyra F' F' Oljesyra Polyetylenglykol, molekylvikt 500 Dioleat av polyetylenglykol (400) F* N F' h) F' vb Dipropylenglykolmonometyleter F' UI Trietylenglykclmonometyleter Oleylfosfat Kokodietanolamin F' m P \l Trietanolamin + 6 E0 C,41-oxoalkohol + 4 E0 Endast luft C02 33 C02 + Crucolan 10 33 F' m F' lb P UI O är: .E .l F!! l: I.
Endast luft co, CO, + Crucolan 10 5 Luft + Metyloleat CO + Met loleat Av resultaten framgår att användning av de polära föreningarna enligt uppfinningen ger en väsentlig för- 10 bättring i jämförelse med känd teknik.

Claims (9)

10 15 m 25 30 35 505 859 P A T E N T K R A V
1. Förfarande vid mekanisk bearbetning av metaller och andra fasta material i närvaro av en blandning av koldioxid och ett smörjmedel, som är lösligt eller dispergerbart i koldioxid, kännetecknat därav, att smörjmedlet innehåller åtminstone en polär organisk förening, som innehåller åtmin- stone en syreatom, varvid smörjmedlet har en kokpemperatur över 200°C.
2. Förfarande enligt krav 1, kännetecknat därav, att den polära organiska föreningen innehåller en polär grupp vald från den grupp, som består av en etergrupp, en hydroxyl- grupp, en karboxylgrupp, en estergrupp och en amidgrupp eller blandningar därav.
3. Förfarande enligt krav 1 eller 2, kännetecknat därav, att den organiska föreningen har en koktemperatur över 250.
4. Förfarande enligt något av kraven 1-3, kännetecknat därav, att den polära föreningen har en smältpunkt under 5°C.
5. Förfarande enligt krav 4, kännetecknat därav, att den polära föreningens smältpunkt är mindre än 0°C.
6. Förfarande enligt något av kraven 1-5, kännetecknat därav, att den polära föreningen väljes från den grupp, som består av en alkohol med en molekylvikt av 130-280; en kar- boxylsyra med en molekylvikt av 150-320; polyoler eller et- rar och estrar därav med en molekylvikt av 140-1000; estrar mellan karboxylsyror och alkoholer med en molekylvikt av 155-400; och alkanolamider mellan en monokarbokylsyra och en monoalkanolamin eller ett alkoxylat därav, med en molekyl- vikt av 180-1000.
7. Förfarande enligt något av kraven 1-6, kännetecknat därav, att den polära organiska föreningen eller blandningar därav tillsättes i en mängd av 0.1-20, företrädesvis 0.5-4 viktprocent räknat på vikten koldioxid.
8. Användning av en polär organisk förening i enlighet med något av kraven 1-4 som smörjmedel i kombination med koldioxid. so5 ss9 7
9. Användning enligt krav 8 varvid den polära organiska föreningen tillsättes i en mängd av 0.1-20, företrädesvis 0.5-4% räknat på vikten koldioxid.
SE9600042A 1996-01-05 1996-01-05 Förfarande för mekanisk bearbetning med användande av en kylande och smörjande komposition, som består av koldioxid med tillsats av ett polärt smörjmedel SE505859C2 (sv)

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SE9600042A SE505859C2 (sv) 1996-01-05 1996-01-05 Förfarande för mekanisk bearbetning med användande av en kylande och smörjande komposition, som består av koldioxid med tillsats av ett polärt smörjmedel
CN96199511A CN1079423C (zh) 1996-01-05 1996-12-19 机械加工的方法
EP96944719A EP0901510B1 (en) 1996-01-05 1996-12-19 A method for mechanical working
RU98114846/02A RU2173248C2 (ru) 1996-01-05 1996-12-19 Способ механической обработки
US09/101,156 US6083887A (en) 1996-01-05 1996-12-19 Method for mechanical working
AU13235/97A AU1323597A (en) 1996-01-05 1996-12-19 A method for mechanical working
PCT/SE1996/001701 WO1997025393A1 (en) 1996-01-05 1996-12-19 A method for mechanical working
AT96944719T ATE222282T1 (de) 1996-01-05 1996-12-19 Methode zur mechanischen bearbeitung
BR9612424A BR9612424A (pt) 1996-01-05 1996-12-19 Método para trabalho mecânico
DE69623051T DE69623051T2 (de) 1996-01-05 1996-12-19 Methode zur mechanischen bearbeitung
KR1019980705099A KR19990076971A (ko) 1996-01-05 1996-12-19 기계적 가공 방법
JP9525126A JP2000505826A (ja) 1996-01-05 1996-12-19 機械加工のための方法

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CN107378129B (zh) * 2017-09-22 2023-05-30 东莞安默琳机械制造技术有限公司 一种刀具切削加工系统
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US6083887A (en) 2000-07-04
KR19990076971A (ko) 1999-10-25
DE69623051D1 (de) 2002-09-19
EP0901510B1 (en) 2002-08-14
JP2000505826A (ja) 2000-05-16
BR9612424A (pt) 1999-07-13
CN1207119A (zh) 1999-02-03
SE9600042D0 (sv) 1996-01-05
EP0901510A1 (en) 1999-03-17
SE9600042L (sv) 1997-07-06
WO1997025393A1 (en) 1997-07-17
AU1323597A (en) 1997-08-01
DE69623051T2 (de) 2003-06-05
CN1079423C (zh) 2002-02-20
RU2173248C2 (ru) 2001-09-10
ATE222282T1 (de) 2002-08-15

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