SE452627B - Forfarande vid mekanisk bearbetning av metaller i nervaro av ett vattenbaserat kylsmorjmedel samt koncentrat av kylsmorjmedlet - Google Patents

Forfarande vid mekanisk bearbetning av metaller i nervaro av ett vattenbaserat kylsmorjmedel samt koncentrat av kylsmorjmedlet

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Publication number
SE452627B
SE452627B SE8602236A SE8602236A SE452627B SE 452627 B SE452627 B SE 452627B SE 8602236 A SE8602236 A SE 8602236A SE 8602236 A SE8602236 A SE 8602236A SE 452627 B SE452627 B SE 452627B
Authority
SE
Sweden
Prior art keywords
compound
group
carbon atoms
lubricant
content
Prior art date
Application number
SE8602236A
Other languages
English (en)
Other versions
SE8602236D0 (sv
Inventor
E Sandberg
R Skold
Original Assignee
Berol Suisse Sa
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 Berol Suisse Sa filed Critical Berol Suisse Sa
Priority to SE8602236A priority Critical patent/SE452627B/sv
Publication of SE8602236D0 publication Critical patent/SE8602236D0/sv
Priority to NO871942A priority patent/NO169597C/no
Priority to NO871941A priority patent/NO169596C/no
Priority to AU72735/87A priority patent/AU588687B2/en
Priority to DE8787200868T priority patent/DE3764560D1/de
Priority to JP62115706A priority patent/JPS62277495A/ja
Priority to EP87200868A priority patent/EP0252533B1/en
Priority to ES87200869T priority patent/ES2018006B3/es
Priority to JP62115705A priority patent/JPS62288693A/ja
Priority to AT87200869T priority patent/ATE56041T1/de
Priority to EP87200869A priority patent/EP0252534B1/en
Priority to ES87200868T priority patent/ES2018005B3/es
Priority to AU72734/87A priority patent/AU588686B2/en
Priority to CA000536946A priority patent/CA1285263C/en
Priority to CA000536948A priority patent/CA1285548C/en
Priority to DE8787200869T priority patent/DE3764561D1/de
Priority to AT87200868T priority patent/ATE56040T1/de
Priority to KR870004707A priority patent/KR870011234A/ko
Priority to KR870004706A priority patent/KR870011233A/ko
Priority to CN87103471A priority patent/CN1010693B/zh
Priority to US07/050,175 priority patent/US4828737A/en
Priority to CN87103469A priority patent/CN1010692B/zh
Priority to US07/050,184 priority patent/US4828736A/en
Publication of SE452627B publication Critical patent/SE452627B/sv
Priority to GR90400974T priority patent/GR3001111T3/el
Priority to GR90400975T priority patent/GR3001112T3/el

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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
    • C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
    • C08F299/026—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from the reaction products of polyepoxides and unsaturated monocarboxylic acids, their anhydrides, halogenides or esters with low molecular weight
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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    • C10M105/58—Amines, e.g. polyalkylene polyamines, quaternary amines
    • C10M105/60—Amines, e.g. polyalkylene polyamines, quaternary amines having amino groups bound to an acyclic or cycloaliphatic carbon atom
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    • C10M129/26—Carboxylic acids; Salts thereof
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Description

452 627 L. erhålles vid efterföljande värmebehandling en besvärande missfärgning, som orsakas av att kylsmörjmedlets komponenter omvandlats och bränts fast i metallytan.
Ett annat svårbemästrat problem vid valsning är att valsspår och andra fysiska skador kan erhållas på den valsade metallytan. Detta orsakas av att metall lösryckes från det ämne som valsas och svetsas fast på valsarna. Härvid uppkommer ojämnheter, som vid fortsatt valsning kan förorsaka fysiska skador på den valsade metallytan.
Det har nu visat sig möjligt att utföra kall- eller varmvalsning av aluminium eller aluminiumlegeringar, så att god smörjning och låg korrosion erhålles utan att besvärande missfärgning av metallytan inträder vid efterföljande värmebehandling. Enligt föreliggande uppfinning uppnås detta genom att den mekaniska bearbetningen utföres i närvaro av ett vattenbaserat kylsmörjmedel, som åtminstone vid. någon temperatur inom intervallet 20-70°C föreligger som en stabil lösning och som innehåller en kombination av a) en karboxyl-- förening med formeln RICOOH, där RI är en hydrofob grupp med 7-23 kolatomer, och b) en alkanolaminförening med den all- männa formeln R2R3R4 , där R2 är en grupp med formeln (A)nH, där A är en alkylenoxigrupp med 2-4 kolatomer och n är ett tal från l till 3, R3 är en alkylgrupp med 1-6 kolatomer och R4 betecknar en grupp med samma betydelse som R2 eller R3, varvid bas-syraekivalentförhållandet mellan ~ alkanolamin- föreningen och karboxylföreningen är mindre än 1.
Med stabil lösning avses i detta sammanhang en lösning som under överskådlig tid dvs under minst en månad ej separerar i två eller flera faser.
Praktiska försök har visat, att det är av stor betydelse för valsningsegenskaperna att kylsmörjmedlet föreligger i form av en stabil lösning och inte som en emulsion. I den stabila lösningen enligt uppfinningen befrämjas förmodligen kinetiken, så att metallytorna snabbt erhåller ett homogent 452 627 .s och vältäckande skyddsskikt av 'karboxyl- och alkanolamin- föreningarna, vilket motverkar uppkomsten av lokala utfäll- ningar och överskott som senare vid värmebehandling kan orsaka missfärgning. En annan väsentlig fördel härmed är att fysiska skador på de valsade ytorna kan undvikas.
Ytterligare en annan väsentlig fördel med kylsmörjmedlet enligt uppfinningen är att det lätt kan filtreras för att avlägsna föroreningar som bildats under bearbetnings- processen. Därefter kan kylsmörjmedlet återanvändas utan påtaglig risk för nedsmutsning, metallkatalyseradd oxidativ nedbrytning eller mikrobiell nedbrytning. g l A Förutom karboxylföreningarna a) och alkanolamin- föreningarna b) kan kylsmörjmedlet även innehålla en smörjande komponent bestående av c) en polär, övervägande hydrofob, nonjonisk förening. För att kylsmörjmedlet skall få formen av en stabil lösning har det även visat sig enkelt och fördelaktigt att i kylsmörjmedlet införliva d) en vattenlöslig organisk löslighetsförmedlare.
En lämplig utföringsform gav kylsmörjmedlet enligt uppfinningen innehåller komponenterna a), b), c) och d), varvid karboxylföreningen a) har formeln RICOOH, där R1 är en hydrofob grupp med 7-23 kolatomer, alkanolaminförening b) har formeln R2R3R4N, där R2 är en grupp med formeln (A)nH, där A är en alkylenoxigrupp_med 2-4 kolatomer och n är ett tal från 1 till 3, R3 är en alkylgrupp med 1-6 kolatomer och R4 betecknar en grupp med samma betydelse som R2 eller R3, den polära, övervägande hydrofoba, nonjoniska föreningen c) har formeln R5(B)m0R6, där R5 är en kolväte- eller acyl- grupp med 8-24 kolatomer, B betecknar en oxialkylengrupp med 2-4 kolatomer, R6 är väte, en alkyl- eller acylgrupp med 1-4 kolatomer, och m betecknar ett tal 0-4, och 452~e27 den vattenlösliga.organisk löslighetsförmedlare d) består av en polär, nonjonisk förening med en molvikt under 400 och med en största hydrofobgrupp om 6 kolatomer, varvid mängden av a); b), c) och d) väljes på ett sådant sätt, att en stabil lösning erhålles. _ _ g Mängden av karboxylföreníngen och alkanolaminföreningen väljes på ett sådant sätt, att att bas-syraekvivalent- förhållandet mellan alkanolaminföreningen och karboxylsyran är mindre än 1 och att kylsmörjmedlet erhåller ett pH-värde av ö-8. Ett underskott av alkanolaminföreningen i förhållande till karboxylföreningen har visat sig förbättra smörj- förmågan. Prioriteras god smörjning, är det lämpligt att välja ett bas-syraekvivalentförhàllande mellan alkanolamin- föreningen och karboxylföreningen av 0.7 upp till 1.0.
Karboxylföreningens hydrofoba grupp Rl är företrädesvis .härledd från raka _mättade alifatiska föreningar, men även grenade 'omättade alifatiska grupper är lämpliga. Specifika exempel på lämpliga karboxylsyror är pelargonsyra, dekansyra, laurinsyra, stearinsyra och kokosfettsyror samt blandningar därav. i à Den hydrofoba gruppen R1 kan även innehålla hetero- atomer, såsom syre, svavel och kväve, vilka ingår i sådana funktionella grupper som eter-, tioeter-, ester-, hydroxyl-, karboxyl- och amidgrupper. Exempel på' sådana karboxyl- föreningar är ' COOH; R OC H ÖOOH R7°°Hz 7 2 4 C _ 00118 H RK ; m/occnzcooa ca cn coon 2 2 I; V 452 627 0 COOH H 0CCH2=CHCO0H; R;/ \ CHZCHZCOOR8 % R OCH CHCH CHCOOR 7 2| 2 OH OOH 8 H R7CCH2C0OH där R8 är en alkylgrupp med 1-4 kolatomer eller väte och R7 är en kolvätegrupp, företrädesvis en alifatisk kolvätegrupp, varvid R7 och R8 är så valda att betydelsen av R1 satifiseras.
Alkanolaminföreningen b) innehåller minst en substituent med en hydroxylgrupp. Den kommer därför att vara vattenlöslig eller ha micellbildande förmåga. Exempel på lämpliga alkanol- aminföreningar är dietanoletylamin, dietanolpropylamin, dietanolbutylamin, dietanolpentylamin, dietanolhexylamin och motsvarande dipropanolaminer och etanoldietylamin, etanoldí- propylamin, etanoldibutylamin och motsvarande propanolaminer.
De ovan angivna föreningarna kan även alkoxileras med etylen- oxid, propylenoxid och/eller butylenoxid.
Den nonjoniska föreningen c) som i första hand bidrar till kylsmörjmedlets smörjande förmåga skall vara övervägande hydrofob till sin natur. Härmed avses att den skall ha ett HLB-värde under 10, företrädesvis under 9, varvid sådana nonjoniska föreningar föredrages som är väsentligen olösliga i vatten. I Den nonjoniska föreningen c) kan vara såväl aromatisk som alifatisk, men de alifatiska föreningarna är föredragna.
Exempel' på föredragna nonjoniska föreningar är hydroxyl- föreningar, såsom oktanol, dekanol, dodekanol, tetradekanol, hexadekanol, oxoalkoholer med 9~17 kolatomer, nonylfenol, oktylfenol och dodecylfenol samt etoxilat av de ovan angivna alkoholerna med 1-4 mol etylenoxid per mol hydroxylförening. 452 627 Gp Dessa hydroxylföreningar kan sammanfattas med den allmänna formeln R5(B)m0H, där R5, B och m har den ovan angivna be- tydelsen.
Andra exempel på nonjoniska föreningar är fettsyror som alkoxilerats eller förestrats med föreningen H(B)m0R6, där B, R6 och m har den ovan angivna betydelsen. Specifika exempel på denna typ av föreningar är COOC2H40H ; Cl1H23CO0CH3 °11H21 c9Hl9co(oc2H4)2ocH3 _ Föredragna esterföreningar är de med den allmänna formeln RSORG, där R5 är en acylgrupp med 8-24 kolatomer och R6 är en alkylgrupp med 1-4 kolatomer. Ä Löslighetsförmedlaren d) utgöres av en vattenlöslig làgmolekylär förening såsom hydroxylgrupper och etergrupper. Exempel på sådana föreningar är_etrar av etylenglykol, såsom mono- eller dibutyletylen- som uppvisar polära grupper glykol, mono- eller dipropyletylenglykol, mono- eller dietyletylenglykol eller motsvarande mono- eller diföreningar av dietylenglykol; trietylenglykol samt alkoholer såsom pentol, butanol, Av ovanstående eller dietylen- propanol och isopropanol. löslighetsförmedlare är monoetrar av mono- glykol föredragna. de ovan angivna kylsmörjmedlet enligt innehålla konventionella tillsatser, Förutom det även komponenterna kan vattenbaserade uppfinningen såsom bakteriedödande medel, skumdämpare, viskositetsreglerande medel, parfymer och additionella medel, som kan och korrosionsskydd. Exempel på additionella medel som förbättrar komplettera smörjning smörjningen är polymerer baserade på etylenoxid och högre alkylenoxider. Alkylenoxiderna kan vara såväl randomanlagrade som anlagrade i block. 4s2'e27 Vid beredning av kylsmörjmedlet enligt uppfinningen är det lämpligt att först framställa ett koncentrat. Det kan lämpligen innehålla följande komponenter.
Komgonent ' Halt, viktgrocent g Karboxylförening 15-75, företrädesvis 15-45 Alkanolaminförening 15-60, “ 15-45 Nonjonisk förening 50-30, " 3-30 Löslighetsförmedlare 0-70, " 15-67 Bakteriedödande medel, par- 0-15, “ ' 0-15 fymer, viskositets- reglerande medel etc 1 Vatten 0-70, " 0-52 Efter spädning av koncentratet med vatten erhålles ett kylsmörjmedel klart för användning. En lämplig sammansättning är följande: Komgonent Halt, viktgrocent Karboxylförening 0.5-25, företrädesvis 2-9 Alkanolamin 0.1-20, " 1-9 Nonjonisk förening 0.0-10, " 0.2-3 Löslighetsförmedlare 0.0-33, " 1-18 Konventionella tillsatser 0-5, 5" 0.1-2 såsom bakteriedödande me- del,parfym,viskositets- reglerande medel Vatten 25-99.4 " ' 59-95.7 Företrädesvis ligger halten vatten i brukslösningen inom intervallet 70-95 viktprocent.
I Uppfinningen àskádliggörs ytterligare av följande utföringsexempel.
Enemgel I I Kallvalsning av glödgad aluminiumplát av kvalitet AA3004 utfördes vid ett enkelverk med arbetsvalsar med en diameter av 159 mm i närvaro av något av nedanstående kylsmörjmedel.
Under valsningen reducerades pláttjockleken från 1.05 mm till 0.63 mm. Erforderlig valskraft bestämdes som trycket i det hydraulsystem som överförda tryckkraften till arbetsvalsarna. 452 627 Efter valsning bedömdes ytorna visuellt med avseende på fysiska skador enligt en skala från O-1. Värdet 0 betecknar en godkänd yta, dvs en yta väsentligen fri från fysiska skador, medan 1 betecknar en underkänd yta, dvs en yta med tydliga fysiska skador. Valsad aluminiumplåt avtorkades och påfördes rikligt med kylsmörjmedel, varefter de upphettades till 360°C i fem timmar i luftatmosfär. Utseendet efter upphettningen bedömdes visuellt enligt en skala 0-4 med avseende på dels svärtningsgrad dels andel missfärgad yta.
Skala, poäng Svärtningsgrad Missfärgad yta, % 0 Perfekt 0 1 Skönjbar färgton 1-5 _2 Svag färgton 6-15 3 Tydlig färgton 16-50 4 Kraftig färgton 51-100 Poängtalen för svärtningsgrad och missfärgad yta summerades. - till en sammanvägd bedömning under begreppet glödgnings- rester. Poängen 0-1 är utmärkta, 2-3 godkända, 4-5 knappt godkända och 6-8 underkända.
För att bestämma kylsmörjmedlets korrosion på järn lades gjutjärnsspån under_ 24 timmar på ett filtrerpapper som indränkts med en bestämd mängd av kylsmörjmedlet. Därefter placerades ett rutnät över filtrerpappret och förekomsten av korrosion bestämde för varje skärningspunkt i rutnätet. Järn- korrosionen uttrycktes därefter som antalet skärningspunkter med rost i förhållande till det totala antalet skärnings- punkter. .
Vitrost bestämdes genom att plåtar av aluminium belades med kylsmörjmedlet, staplades pà varandra och kyldes vid -20°C under en timme. Därefter utsattes de för fuktig luft av rumstemperatur under två timmar, varefter plàtarna uppvärmdes till 80°C i tio timmar. Vitrosten bedömdes därefter på samma sätt som järnkorrosionen. 452 627 Från väsentligen vattenfria koncentrat framställdes följande kylsmörjmedel enligt uppfinningen, vilka användes vid kallvalsningen i detta exempel. Samtliga kylsmörjmedel var 1 form av en stabil lösning vid 2o°c.
Kxlsmörjmedel 1 Komponent Halt, viktprocent Laurinsyra I 3,2 C4H9N(C2H4OH)2 1,5 cl4H29o(c2H4o)2H 0,7 Butyldietylenglykol 9,0 Vatten ,rest_ Kzlsmörjmedel 2 Komponent Halt, viktprocent Pelargonsyra 6,0 C4H9 N(C2H4OH)2_ 3,5 .C12-14 H25-29 °(°2H4°)2H 1'5 Butyldietylenglykol 3,6 Vatten rest Kylsmörjmedel 3 Komponent 'V Halt, viktprocent Laurinsyra 6,0 c4H9 N(c2H4oH)2 3,4 C12-14 H15-29 °(°2H4°)2H 1'5 Butyldietylenglykol _ 4,4 Vatten rest 452 627 Kylsmörjmedel 4 Komponent Laurinsyra C4H9 N(C2H4OH)2 C12-14H2s-29 °(°2H4°)2H Butyldietylenglykol Vatten Kylsmörjmedel 5 Komponent Laurinsyra C4H9N(C2H4OH)2 C12-14H2s-29 °(°2H4°)2H Butyldietylenglykol Vatten Kxlsmörjmedel 6 Komponent Laurinsyra c4H¿N(C2H4oH)2 °12>14H2s-29°H Butyldietylenglykol Vatten Kylsmörjmedel 7 Komponent Laurinsyra C4H9N(C2H4OH)2 CllH23C0OCH3 Butyldietylenglykol Vatten lo Halt, viktprocent 6,0 3,9 1,5 1 2,7 rest -Halt, viktprocent 8,0 I 1,3 6,7 rest Halt, viktprocent 6,7 3,8 1,7 7,8 rest Halt, viktprocent 6,7 3,7 1,7 8,0 rest W °11H23 Kylsmörjmedel 8 Komponent COOH (grenad) C4H9N(C2H4OH)2 C12H2s°(C2H4°)2H Butyldietylenglykol Vatten Kzlsmörjmedel 9 Komponent Laurinsyra C4H9N(C2H40H)2 °14H29°(°2H4°)2H Butyldietylenglykol Vatten Kxlsmörjmedel 10 Komponent Laurinsyra Díetyletanolamin + E0 C12-14H2s-29°H Butyldietylenglykol Vatten Kylsmörjmedel 11 Komponent Laurinsyra Butyldietanolamin Metyllaurat Butyldietylenglykol Vatten ,n 452 627 Halt, viktprocent 6,0 3,0 1,0 5,9 rest Halt, viktprocent 6,0 3,4 1,0 3,8 reät Halt, viktprocent 6,7 3,8 1,4 8,2 rest Halt, viktprocent 4,0 2,7 1,0 4,8 rest _452 627 Kylsmörjmedel 12 Komponent Laurinsyra Butyldietanolamin C12-14H2s-29°H Pentyldietylenglykol Vatten Kxlsmörjmedel 13 Komponent Laurinsyra C4H9N(C2H4OH)2 Vatten Bas-syraekvivalent- förhållande Kylsmörjmedel 14 Komponent Laurinsyra C4H9N(C2H4OH)2 Vatten Bas-syraekviva1ent- förhållande Kglsmörjmedel 15 Komponent Laurinsyra C4H9N(CzH4°H)2 C12-14H2s-29°H Vatten . 7 Bas-syraekvivalent- förhållande V12, Halt, viktprocent 6,9 3,9 1,4 7,9 rest Halt, viktprocent 8.56 6.44 rest 0.93 Halt, viktprocent 12.00 8.00 rest 0.83 Halt, viktprocent 8.51 6.34 0.14 rest 0.93 Kxlsmörjmedel 16 Komponent Pelargonsyra c4H9N (c2H4oH) 2 í Vatten Bas-syraekvivalent- fiörhållande Kylsmörjmedel 17 Komponent Pelargonsyra C OH 12-l4H25-29 2,2 dimetylaminometylpropenol Butyldietylenglykol Vatten Bas-syraekvivalent- förhållande Kylsmörjmedel 18 Komponent Laurinsyra C12-14H2s-29OH 2,2-dimetylaminometylpropano1 Butyl dietylen glykol Vatten Bas-syraekvivalent- förhållanae ' Kylsmörjmedel 19 Komponent Laurinsyra C4H9N(C2H40H)2 Butyl dietylen glykol Vatten Bas-syraekvivalent- förhållande _13 _ _ 452 627 Halt, viktprocent 8.62 '6.38 rest 0.72 Halt, viktprocent -7.4 0.9 3.6 5.0 rest 0.67 Halt, viktprocent 6.2 1.2 2.5 7.1 rest 0.69 'Halt, viktprocent 8.21 5.12 6.67 rest 0.77 Ä52 627 Ju Kylsmörjmedel 20 Komponent Halt, viktprocent Laurinsyra 5.69 C4H9N(C2H4OH)2 3.55 Butyl dietylen glykol 4.63 C12-14H2s-2QOH L” Vatten rest Bas-syraekvivalent- förhållande 0.78 Kxlsmörjmedel 21 Komponent Halt, viktprocent Dekansyra 11.26 2,2-dimetylaminometylpropanol 5.36 Vatten rest Bas-syraekvivalent- _ förhållande 0.70 För jämförelse bereddes följande kylsmörjmedel. Samtliga kylsmörjmedel hade formen av en emulsion inom hela temperaturintervallet 20-700 C.
Kylsmörjmedel A Komponent Halt, viktprocent Oljesyra 2 Trietanolamin 1 Polyalkylenglykol » 10 (UCON SHB 100) Vatten rest Kylsmörjmedel B Komponent Halt, viktprocent Oljesyra ' ' 2 Trietanolamin l Polyalkylenglykol 10 (UCON SHB 100) Vatten rest 1KXlsmörjmedel C Komfionent Oljesyra Trietanolamin Polyalkylenglykol '(Pluronic l7R2 saluförd av BASF) Vatten ' Kylsmörjmedel D Komponent Laurinsyra Dietanolamin Polyalkylenglykol (Pluronic l7R2) |I H C9H19C0(C2H40)3CC Vattén H 7 15 Kylsmörjmedel E Komponent Oljesyra Trietanolamin Polyalkylenglykol (Pluronic 17 R2) Vatten 1;_ É 452 Halt,'viktprocent 2,0 1,0 10 reSt Halt, viktprocent 1,5 1,5 10 1,0 rest Halt, viktprocent 1,0 0,8 _s,o 5.0 rest 6221 452 627 1l.
Kyl- - Kraft Glödgnings- Järn- Vitrost Fysiskt smörj- kN rester korro- % I ut- medel sion seende % .
A 13,3 5 5 20 1 B 13,5 8 4 6 1 C 14,0 8 0,1 12 1 D 16,5 5 0 0 1 E 14,5 5 4 30 1 1 14,7 1 1 0 0 2 14,3 2 0 0 0 3 14,3 3 0 0 0 4 14,4 2 0 0 0 5 13,2 3 0 0 0 6 13,4 3 o o o 7 13,5 2 o o o' 8 14,0 3 0 0 0 '9 13,4 2 0 0 0 10 13,5 3 0 1 0 11 12,5 2 0 5 0 12 13,0 3 0 4 0 13 13.5 3 0 0 0 14 13.5 3 0 0 0 15 13.2 3 0 0 0 16 13.5 2 0 0 0 17 14.5 1 0 0 0 18 14.5 1 0 0 0 19 13.1 3 0 0 0 20 13.5 2 0 0 0 21 13.0 3 0 0 0 “_ 452 627 Av ovanstående resultat framgår att kylsmörjmedlen enligt uppfinningen i jfämförelsemed känd teknik vid valsning av aluminium ger ytor med väsentligt bättre fysiskt utseende.- Järnkorrosion och vitrost hálles samtidigt pà .en mycket låg nivå, som t o m i allmänhet är väsentligt lägre än för kylsmörjmedlen i jämförelsekompositionerna. Kylsmörjmedlen enligt uppfinningen ger dessutom upphov till en låg nivå av glödgningsrester. _

Claims (9)

*" 'uflïzx 452 627 JK PATENTKRAV
1. Förfarande vid mekanisk bearbetning av metaller, såsom aluminium och aluminiumlegeringar i närvaro av ett vattenbase- rat kylsmörjmedel, som innehåller smörjande och korrosions- hämmande medel, kännetecknat därav, att kylsmörjmedlet åtmin- stone vid någon temperatur inom intervallet 20-70°C förelig- ger som en stabil lösning och att det som smörjande och korro- sionshämmande medel innehåller en kombination av a) en kar- boxylförening med formeln RICOOH, där R1 är en hydrofob grupp med 7-23 kolatomer, och b) en alkanolaminförening med den allmänna formeln R2R3R4N, där R2 är en grupp med formeln (A)nH, där A är en alkylenoxigrupp med 2-4 kolatomer och n är ett tal från 1 till 3, R3 är en alkylgrupp med 1-6 kolatomer och R4 betecknar en grupp med samma betydelse som R2 eller R3, varvid bas-syraekivalentförhållandet mellan alkanolamin- föreningen och karboxylföreningen är mindre än 1.
2. Förfarande enligt krav 1, kännetecknat därav att kyl- smörjmedlet dessutom innehåller c) en polär, väsentligen hydrofob, nonjonisk förening.
3. Förfarande enligt krav 1 eller 2, kännetecknat därav att kylsmörjmedlet dessutom innehåller d) en vattenlöslig, orga- nisk löslighetsförmedlare.
4. Förfarande enligt något av kraven 1-3, kännetecknat därav att föreningen c) har formeln R5(B)m0R6, där R5 är en kolväte- eller acylgrupp med 8-24 kolatomer, B betecknar en oxialkylengrupp med 2-4 kolatomer, R6 är väte, en alkyl- eller acylgrupp med 1-4 kolatomer, och m betecknar ett tal 0-4, och löslighetsförmedlaren d) består av en polär non- jonisk förening med en molvikt under 400 och med en största hydrofobgrupp om 6 kolatomer. j., _ 452 627
5. Förfarande enligt krav 1-4, kännetecknat därav, att kar- boxylföreningens a) hydrofoba grupp Rl är en alifatisk köl- vätegrupp.
6. 'Förfarande enligt krav 1-5, kännetecknat därav, att bas- syraekvivalentförhállandet mellan alkanolaminföreningen och karboxylföreningen är 0.7 upp till 1.
7. Förfarande enligt krav 1-6, kännetecknat därav att kyl- smörjmedlet innehåller karbcxylföreningen a) i en en halt av 0.5-25, företrädesvis 2-9 viktprocent, och alkanolaminföre- ningen b) i en halt av 0.1-20, företrädesvis 1-9 viktprocent.
8. Förfarandet enligt krav 3-7, kännetecknat därav, att kylsmörjmedlet innehåller den nonjoniska föreningen c) i en halt av högst 10, företrädesvis 0.2-3 viktprocent, och lös- lighetsförmedlaren d) i en halt av högst 33, företrädesvis 1-18 viktprocent.
9. Koncentrat, vilket efter spädning med vatten är lämpligt att användas vid ett förfarande enligt krav 1-8, kännetecknat därav, att det har följande sammansättning: Komgonent Halt, viktgrocent Karboxylföreningen 15-45 Alkanolaminföreningen 15-45 Den nonjoniska föreningen 3-30 Löslighetsförmedlaren 15-67 Konventionella tillsatser, så- 0-15 som bakteriedödande medel, par- fymer, viskositetsreglerande medel etc Vatten 0-52
SE8602236A 1986-05-13 1986-05-13 Forfarande vid mekanisk bearbetning av metaller i nervaro av ett vattenbaserat kylsmorjmedel samt koncentrat av kylsmorjmedlet SE452627B (sv)

Priority Applications (25)

Application Number Priority Date Filing Date Title
SE8602236A SE452627B (sv) 1986-05-13 1986-05-13 Forfarande vid mekanisk bearbetning av metaller i nervaro av ett vattenbaserat kylsmorjmedel samt koncentrat av kylsmorjmedlet
NO871942A NO169597C (no) 1986-05-13 1987-05-11 Fremgangsmaate ved mekanisk bearbeidelse av aluminiumlegeringer og konsentrat for bruk ved fremgangsmaaten
NO871941A NO169596C (no) 1986-05-13 1987-05-11 Fremgangsmaate ved mekanisk bearbeidelse av aluminiumlegeringer og konsentrat for bruk ved fremgangsmaaten
KR870004706A KR870011233A (ko) 1986-05-13 1987-05-12 냉각 윤활제의 존재하에서 알루미늄 및 알루미늄 합금을 기계가공하는 방법 및 그 냉각 윤활제의 농축물
AU72734/87A AU588686B2 (en) 1986-05-13 1987-05-12 A method in the mechanical working of aluminium and aluminium alloys in the presence of a cooling lubricant, and a concentrate of the cooling lubricant
CA000536948A CA1285548C (en) 1986-05-13 1987-05-12 Aqueous concentrated cooling lubricant for the mechanical working of aluminium and process
JP62115706A JPS62277495A (ja) 1986-05-13 1987-05-12 冷却潤滑剤の存在下におけるアルミニウムおよびアルミニウム合金の機械加工方法ならびに冷却潤滑剤の濃縮物
EP87200868A EP0252533B1 (en) 1986-05-13 1987-05-12 A method in the mechanical working of aluminium and aluminium alloys in the presence of a cooling lubricant, and a concentrate of the cooling lubricant
ES87200869T ES2018006B3 (es) 1986-05-13 1987-05-12 Un metodo para el trabajo mecanico del aluminio y de aleaciones de aluminio en presencia de un lubricante refrigerante y un concentrado de lubricante refrigerante.
JP62115705A JPS62288693A (ja) 1986-05-13 1987-05-12 冷却潤滑剤の存在下におけるアルミニウムおよびアルミニウム合金の機械加工方法ならびに冷却潤滑剤の濃縮物
AT87200869T ATE56041T1 (de) 1986-05-13 1987-05-12 Verfahren in der mechanischen bearbeitung von aluminium und aluminiumlegierungen in gegenwart eines kuehlenden schmiermittels, und ein konzentrat des kuehlenden schmiermittels.
EP87200869A EP0252534B1 (en) 1986-05-13 1987-05-12 A method in the mechanical working of aluminium and aluminium alloys in the presence of a cooling lubricant, and a concentrate of the cooling lubricant
ES87200868T ES2018005B3 (es) 1986-05-13 1987-05-12 Un metodo para el trabajo mecanico del aluminio y de aleaciones de aluminio en presencia de un lubricante refrigerante y un concentrado de lubricante refrigerante.
AU72735/87A AU588687B2 (en) 1986-05-13 1987-05-12 A method in the mechanical working of aluminium and aluminium alloys in the presence of a cooling lubricant, and a concentrate of the cooling lubricant
CA000536946A CA1285263C (en) 1986-05-13 1987-05-12 Process and composition for mechanical working of aluminium and aluminium alloys
DE8787200868T DE3764560D1 (de) 1986-05-13 1987-05-12 Verfahren in der mechanischen bearbeitung von aluminium und aluminiumlegierungen in gegenwart eines kuehlenden schmiermittels und ein konzentrat des kuehlenden schmiermittels.
DE8787200869T DE3764561D1 (de) 1986-05-13 1987-05-12 Verfahren in der mechanischen bearbeitung von aluminium und aluminiumlegierungen in gegenwart eines kuehlenden schmiermittels, und ein konzentrat des kuehlenden schmiermittels.
AT87200868T ATE56040T1 (de) 1986-05-13 1987-05-12 Verfahren in der mechanischen bearbeitung von aluminium und aluminiumlegierungen in gegenwart eines kuehlenden schmiermittels und ein konzentrat des kuehlenden schmiermittels.
KR870004707A KR870011234A (ko) 1986-05-13 1987-05-12 냉각 윤활제의 존재하에서 알루미늄 및 알루미늄 합금을 기계가공하는 방법 및 그 냉각 윤활제의 농축물
US07/050,184 US4828736A (en) 1986-05-13 1987-05-13 Process and composition for mechanical working of aluminum and aluminum alloys
CN87103471A CN1010693B (zh) 1986-05-13 1987-05-13 在冷却润滑剂存在下机械加工铝和铝合金的方法以及冷却润滑剂浓缩物
US07/050,175 US4828737A (en) 1986-05-13 1987-05-13 Aqueous concentrated cooling lubricant for the mechanical working of aluminum and process
CN87103469A CN1010692B (zh) 1986-05-13 1987-05-13 在冷却润滑剂存在下机械加工铝和铝合金的方法以及冷却润滑剂浓缩物
GR90400974T GR3001111T3 (en) 1986-05-13 1990-11-27 A method in the mechanical working of aluminium and aluminium alloys in the presence of a cooling lubricant, and a concentrate of the cooling lubricant
GR90400975T GR3001112T3 (en) 1986-05-13 1990-11-27 A method in the mechanical working of aluminium and aluminium alloys in the presence of a cooling lubricant, and a concentrate of the cooling lubricant

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SE8602236A SE452627B (sv) 1986-05-13 1986-05-13 Forfarande vid mekanisk bearbetning av metaller i nervaro av ett vattenbaserat kylsmorjmedel samt koncentrat av kylsmorjmedlet

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EP0252534B1 (en) 1990-08-29
CN1010692B (zh) 1990-12-05
DE3764561D1 (de) 1990-10-04
DE3764560D1 (de) 1990-10-04
CA1285548C (en) 1991-07-02
ATE56041T1 (de) 1990-09-15
JPS62277495A (ja) 1987-12-02
NO871942D0 (no) 1987-05-11
NO871941L (no) 1987-11-16
KR870011233A (ko) 1987-12-21
ES2018006B3 (es) 1991-03-16
NO169596C (no) 1992-07-15
KR870011234A (ko) 1987-12-21
NO871941D0 (no) 1987-05-11
ES2018005B3 (es) 1991-03-16
GR3001112T3 (en) 1992-05-12
EP0252533B1 (en) 1990-08-29
JPS62288693A (ja) 1987-12-15
EP0252534A1 (en) 1988-01-13
EP0252533A1 (en) 1988-01-13
NO169597B (no) 1992-04-06
CN1010693B (zh) 1990-12-05
NO169597C (no) 1992-07-15
NO169596B (no) 1992-04-06
AU7273487A (en) 1987-11-19
AU588686B2 (en) 1989-09-21
CN87103469A (zh) 1988-03-09
ATE56040T1 (de) 1990-09-15
CN87103471A (zh) 1988-02-03
AU7273587A (en) 1987-11-19
US4828736A (en) 1989-05-09
AU588687B2 (en) 1989-09-21
NO871942L (no) 1987-11-16
SE8602236D0 (sv) 1986-05-13
CA1285263C (en) 1991-06-25
US4828737A (en) 1989-05-09
GR3001111T3 (en) 1992-05-12

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