SE190924C1

SE190924C1 -

Info

Publication number: SE190924C1
Authority: SE
Publication date: 1964-01-01

Description

KLASS I NTERNATI ONELLSVENSK C 10 m23 c:1/04 PATENT- OCH REGISTRERINGSVERKET Ans. 4808/1960 inkom den 16/5 1960 utlagd den 23/12 1968 T P G STEDT, NASBYPARK Smorjmedel for bearbetning av metaller Tillagg till patentet 179 87 Uppfinningen avser ett smorjmedel for spanfri och spanavgivande bearbetning av metaller, sarskilt for rOrdragning och -valsning, t. ex. stegvalsning. CLASS I NTERNATI ONELLSVENSK C 10 m23 c: 1/04 PATENT AND REGISTRATION AGENCY Ans. 4808/1960 was filed on 16/5 1960, issued on 23/12 1968 TPG STEDT, NASBYPARK Lubricants for machining metals Addition to patent 179 87 The invention relates to a lubricant for chip-free and chip-releasing machining of metals, especially for pipe drawing and rolling, t. ex. step rolling.

Det är tidigare kant alt anvanda en blandning av ullfettsyra och kalk, lost i trikloretylen eller perkloretylen, som drag- och pressolja samt som smdrjmedel vid stegvalsning. Detta smorjmedel liar dock den nackdelen, att det är mycket svart att avlagsna, sarskilt pa grand av att de kalktvalar, som bildats mellan fettsyran och kalken, binda sig mycket fast vid metallytan. Denna olagenhet medf Or stora kostnader vid avfettning samt, om denna ej kan genomforas fullstandigt, en uppkolning av metallen efter bearbetning genom glodgning med efterfoljande forsamring av dennas egenskaper, sarskilt om man behandlar rostfritt material. It is previously possible to use a mixture of wool fatty acid and lime, dissolved in trichlorethylene or perchlorethylene, as a drawing and pressing oil and as a lubricant in step rolling. However, this lubricant has the disadvantage that it is very black to deposit, especially due to the fact that the lime whales formed between the fatty acid and the lime adhere very tightly to the metal surface. This imperfection entails large costs for degreasing and, if this cannot be carried out completely, a carbonization of the metal after processing by annealing with subsequent assembly of its properties, especially if stainless steel is treated.

Smorjmedlet enligt uppfinningen uppvisar icke dessa nackdelar. The lubricant according to the invention does not have these disadvantages.

Smorjmedlet enligt uppfinningen for spanavgivande eller spanfri bearbetning av metaller, sarskilt som dragolj a for rOrdragning och stegvalsning av ror for utfOrande av sattet enligt patentet 179 875, kannetecknas av att det innehailer eller bestir av en. blandning av 1) 5-90 viktprocent estrar mellan flervarda alkoholer och tallsyra, 2) 90-5 viktprocent estrar mellan flervarda alkoholer och fettsyror frail naturfetter, dvs. animaliska och/eller vegetabiliska fetter och 3) 5-50 viktprocent av en eller flera additiver, som kunna bilda skyddsskikt pa metaller. The lubricant according to the invention for chip-releasing or chip-free processing of metals, in particular as traction oil for pipe drawing and step rolling of pipes for carrying out the set according to patent 179 875, can be characterized in that it contains or consists of one. mixture of 1) 5-90% by weight of esters between polyhydric alcohols and tallow acid, 2) 90-5% by weight of esters between polyhydric alcohols and fatty acids frail natural fats, ie. animal and / or vegetable fats and 3) 5-50% by weight of one or more additives, which may form protective layers on metals.

Smiirjmedlet enligt uppfinningen bestar sarskilt av 15-50 viktprocent av komponent 1) och 5015 viktprocent av komponent 2) 10-30 viktprocent av additiven. The lubricant according to the invention consists in particular of 15-50% by weight of component 1) and 5015% by weight of component 2) 10-30% by weight of the additives.

De flervarda alkoholerna utgoras lampligen av polyalkylenglykoler, sasom polyetylenglykol Dupl. kl. 23 c: 1/01 eller polypropylenglykol, och sarskilt polyetylenglykol med en molvikt mellan 500 och 1500. The polyhydric alcohols are suitably composed of polyalkylene glycols, such as polyethylene glycol Dupl. at 23 c: 1/01 or polypropylene glycol, and in particular polyethylene glycol with a molecular weight between 500 and 1500.

Tallsyran utgores bast av raffinerad tallsyra med en hartssyrahalt av hogst 20 viktprocent. The tallow acid consists mainly of refined pine acid with a resin acid content of no more than 20% by weight.

Fettsyrorna Iran naturfetter erhallas lampligen frail ullfett och/eller rapsolja och/eller lanolin. The fatty acids Iran natural fats are conveniently obtained from frail wool fat and / or rapeseed oil and / or lanolin.

Det är aven mojligt att anvanda tallsyra, raffinerad tallsyra eller ullfettsyra vilka polymeriserats eller kondenserats. It is also possible to use pine acid, refined pine acid or wool fatty acid which have been polymerized or condensed.

DA tallsyran i prishanseende är avgjort den billigaste komponenten, anvandes den i dominerande mangd i kompositionen. Tallsyrans estrar med alkoholerna tjana harvid sasom dispergermedel for de i fettsyraestrarna i allmanhet ingaende stora mangderna ofortvalbart material. Ullfettsyran uppvisar salunda en halt av °fortvalbart material av mellan 16 och 24 %. I talloljan finnes endast c:a 3-5 % ofortvalbart material. Det ofortvalbara materialet maste vara helt dispergerat for att mOjliggdra en effektiv smorjning. DA pine acid in terms of price is definitely the cheapest component, it was used in a dominant amount in the composition. The esters of tallow acid with the alcohols serve as dispersants for the large amounts of non-digestible material contained in the fatty acid esters in general. The wool fatty acid thus has a content of perishable material of between 16 and 24%. The tall oil contains only about 3-5% non-digestible material. The non-digestible material must be completely dispersed to enable efficient lubrication.

Fettsyrorna som inga i estrarna i kompositionen enligt uppfinningen kunna dven utgoras av enskilda rena fettsyror, t. ex. laurinsyra, myristinsyra, palmitinsyra, stearinsyra, arakinsyra m. fl. omdttade syror eller blandningar avdessa. Sarskilt anvandes emellertid fran naturprodukter erhallna blandningar eller raffinerade 1: blandningar av fettsyror, t. ex. frail ister, talg, bivax, ullfett, lanolin och andra djurfetter. De vegetabiliska oljorna, som tjana som ramaterial vid framstallning av smorjmedlet enligt uppfinningen, ha i allmanhet lag halt ofOrtvalbara amen, och utgoras t. ex. am olivolja, sesamolja, soj abonolj a, bomullsfroolj a, palmolj a, kokosfett med flera vdxtfetter. Sarskilt anvandes harvid rapsfettoljefettsyror. De i talloljan ingaende hartssyrorna kunna kompletteras med ren abietinsyra eller naturprodukten kolofonium. 2— 19097.4 — - De tva- och/eller flervarda alkoholerna kunna aven utgbras av glykoler, glyceriner, fyrvarda alkoholer eller femvarda alkoholer saint aven sexvarda alkoholer. Salunda kan man anvanda etylenglykol, dietylenglykol, trietylenglykol samt ovan angivna polyetylenglykoler, och motsvarande propylenglykoler, en- eller flervarda glyceriner, pentaerytrit, sorbit, trioximetylpropan m. fl. The fatty acids that are not in the esters in the composition according to the invention can therefore consist of individual pure fatty acids, e.g. lauric acid, myristic acid, palmitic acid, stearic acid, arachic acid, etc. reacted acids or mixtures thereof. However, mixtures obtained from natural products or refined 1: mixtures of fatty acids, e.g. frail lard, tallow, beeswax, wool fat, lanolin and other animal fats. The vegetable oils, which serve as raw materials in the preparation of the lubricant according to the invention, generally have uncontrollable amen contents, and are e.g. am olive oil, sesame oil, soybean oil a, cotton seed oil a, palm oil a, coconut fat with several vegetable fats. Rapeseed fatty oil fatty acids are used separately. The resin acids contained in tall oil can be supplemented with pure abietic acid or the natural product rosin. 2— 19097.4 - - The di- and / or polyhydric alcohols can also be derived from glycols, glycerins, tetrahydric alcohols or penthydric alcohols saint or hexavalent alcohols. Thus, one can use ethylene glycol, diethylene glycol, triethylene glycol and the above-mentioned polyethylene glycols, and the corresponding propylene glycols, mono- or polyvalent glycerins, pentaerythritis, sorbitol, trioxymethylpropane and others.

FOY astadkommande av ett skyddssldkt pa metallen forsattes smorjmedlet lampligen med en additiv, som bindes vid metallen. FOY to provide a protective coating on the metal, the lubricant was suitably continued with an additive which is bound to the metal.

Additiven utvaljes bland en eller flera komponeuter, som tillhora grupperna klorhaltiga addisasom klorerad paraffin, pentaklorfenol, svavelhaltiga additiver, sasom svavel, svavelklorid, svaveloxiklorid, organiska svavelforening= ar, sasom dialkylsulfider, t. ex. dietylsulfid, oxialkylsulfider, t. ex. dioxietylsulfid, merkaptoben- sotiazol, natriummerkaptobenstiazol, fosforhaltiga additiver sasom trikresylfosfat. The additives are selected from one or more components which belong to the groups of chlorine-containing additives such as chlorinated paraffin, pentachlorophenol, sulfur-containing additives such as sulfur, sulfur chloride, sulfur oxychloride, organic sulfur compounds, such as dialkyl sulphides, e.g. diethyl sulfide, oxyalkyl sulfides, e.g. dioxyethyl sulfide, mercaptobenzothiazole, sodium mercaptobenzothiazole, phosphorus-containing additives such as tricresyl phosphate.

Smorjmedlet enlig-t uppfinningen kan dessutom innehalla i och for sig kanda smorjmedel, t. ex. mineraloljesmorjmedel, syntetiska smorjmedel. The lubricant according to the invention may in addition contain per se known lubricants, e.g. mineral oil lubricants, synthetic lubricants.

Vid undersokningar liar det visat sig, att rena ullfettsyraestrar, aven forsatta med ovan angivna additiver, icke astadkomma den avsedda effekten. Svarigheter foreligga namligen hr att befria metallen helt frail kvarvarande smorjmedel. Genom att enligt uppfinningen anvanda en blandning av fettsyraestrar och talloljeestrar imdanrojes emellertid denna svarighet, vilket till stor del beror pa att tallfettsyraestrarna verka som dispergatorer av de i de fiesta, sarskilt animaliska fetter, inghende stora kvantiteterna ofortvalbara amnen. I annat fall komma dessa ofortvalbara amnen att falla ut och hafta vid metallen, varvid de bliva svara att avlagsna Iran densamma. Talloljeestrarna verka a.ven som Forsiik23 SmorjmedelTallfettsyrapolyetylen.- glykolester 80 % Tallfettsyrapolyetylenglykolester. 20 % Ullfettsyrapolyetylenglykolester. % Tallfettsyrapolyetylenglykolester. 80 % Ullfettsyrapolyetylenglykolester. Studies have shown that pure wool fatty acid esters, even if added with the above additives, do not achieve the intended effect. Namely, there are responsibilities here to free the metal completely from the remaining lubricant. However, by using a mixture of fatty acid esters and tall oil esters according to the invention, this similarity is eliminated, which is largely due to the fact that the tall fatty acid esters act as dispersants of the substances, especially in the animal, especially animal fats, which do not contain large quantities. Otherwise, these unspeakable substances will fall out and cling to the metal, whereby they will be responsible for removing Iran from it. The tall oil esters also act as Forsiik23 Lubricant Tallow fatty acid polyethylene glycol ester 80% Tall fatty acid polyethylene glycol ester. 20% Wool fatty acid polyethylene glycol ester. % Tall fatty acid polyethylene glycol ester. 80% Wool fatty acid polyethylene glycol ester.

Arbetsoperation Stegvalsning av rostfria ri5r Material SIS 2320 Riktanalys 0,08 C 17 Cr Reducering 6D% Iiimensioner 2 1/2 " 3142 " Matning 80 slag/min 7 mm/slag Avfettning Soda-vatten-bad Resultat Pasvetsning pa saval dorn som valsbackar Mycket ()Arlin matning 7 mm/10 slag Mycket latt att avfetta Resultat Pasvetsning pa saval darn som valsbackar, dock i betydligt mind-re omfattning an forsok 1. arnnare matning an prov 1 7 mm/2 slag Mycket latt att avfetta Resultat Vid detta fOrsok erbolls samma resultat som vid Mrs& 2. Work operation Step rolling of stainless steel pipes Material SIS 2320 Direction analysis 0.08 C 17 Cr Reduction 6D% Dimensions 2 1/2 "3142" Feed rate 80 strokes / min 7 mm / stroke Degreasing Soda-water bath Result Fitting welding on sable mandrel as roller jaws Very ( ) Arlin feed 7 mm / 10 strokes Very easy to degrease Results Fitting welding on both sides and roller jaws, however to a much lesser extent than test 1. Other feed than sample 1 7 mm / 2 strokes Very easy to degrease Results At this test same results as with Mrs & 2.

Jamnare matning dii prov 1 7 mm/2 slag Mycket latt att avfetta. Smoother feed dii sample 1 7 mm / 2 strokes Very easy to degrease.

UppkolningsfOrsok Korrosion Ytan upprOst i kokande saltpetersyra. Carburization Attempt Corrosion Surface Soaked in boiling hydrochloric acid.

Kvalitativ Idoridanalys. Qualitative Idoridanalys.

Ytfinhet/profildjupKraftig repbildning Ytteryta 4 my4 my 2 my2 my — 19_0:924-3 dispergatorer for de i kompositionen ingaende additiverna. Surface finish / profile depth Strong scratching Surface surface 4 my4 my 2 my2 my - 19_0: 924-3 dispersers for the additives included in the composition.

Nedan angives exempel pa tre kompositioner enligt uppfinningen samt utforda stegvalsningsprover, varvid bedomningssiffran efter behandling av metallen angives i en gradering fran 0-med 0 samst och 10 bast med avseende pa ytjamnheten, varvid man tagit hansyn till saval invandig som utvandig ytjamnhet. Sarskilt for ror avsedda far livsmedels- och lakemedelsindustrien Or den invandiga jamnheten av mycket stor betydelse. The following are examples of three compositions according to the invention and challenge step rolling samples, the evaluation figure after treatment of the metal being given in a gradation from 0 to 0 at the same time and 10 bases with respect to the surface roughness, taking into account both internal and external surface roughness. Particularly for tubes intended for the food and pharmaceutical industry Or the internal smoothness of very great importance.

Kompo- Sammansattning sition Bedomning Vikt- proeent utydn-inydn- digdig 1 Tallfettsyrapoly- etylenglykolester 100 % 2 Tallfettsyrapoly- etylenglykolester 90% trikresylfosfat 10% 7 7 3 Tallfettsyrapoly-80 % etylenglykolester Ullfettsyrapoly-10 % etylenglykolester Trikresylfosfat10 % 4 Blandning av ull-21 fett och kalk Av ovanstaende forsoksresultat framgar aft kompositionerna enligt uppfinningen aro overlagsna de tidigare kanda med avseende pa metallens ytjamnhet after stegvalsning och metallens efterb ehandling. Composition Composition sion Assessment Weight proeent undefined-unobtrusive 1 Tallow fatty acid polyethylene glycol ester 100% 2 Tallow fatty acid polyethylene glycol ester 90% tricresyl phosphate 10% 7 7 3 Tallow fatty acid poly-80% ethylene glycol ester 4-wool fatty acid ethylene and lime It appears from the above test results that the compositions according to the invention are superior to the prior art with respect to the surface roughness of the metal after step rolling and the finishing of the metal.

Nedanstaende tabell visar en jamforelse mellan resultat vid stegvalsning av ror med smorjmedel, som dels besta av komponent 1, tallfettsyrapolyglykolester, dels komponent 1, och komponent 2, (ullfettsyra polyglykolestrar) och dels komponent 1 + 2 + 3 (klor- eller klor- svaveladditiv). 4 80 % Tallfettsyrapolyetylenglykolester 20 % Kalk Resultat Pasvetsning pa saval dorn som valsbackar. Narvaron ay kalk gay samre yta. MOjligheten for att kalk och andra komponenter inpressades i ytorna ej uteslutet Mycket ojamn matning 7 mm/6 slag Narvaron av kalk forsvarade avfettningen 64 % Tallfettsyra- • polyetylenglykolester 16 % Ullfettsyrapolyetylenglykolester 20 c/o Kalk Resultat Valsningen kunde genomforas med konstant matning. Dock vid enstaka tillfallen intraffade pasvetsning pa dorn men icke pa valsbackarna. The table below shows a comparison between results in step rolling of pipes with lubricants, which partly consist of component 1, tall fatty acid polyglycol ester, partly component 1, and component 2, (wool fatty acid polyglycol esters) and partly component 1 + 2 + 3 (chlorine or chlorine-sulfur additive ). 4 80% Tall fatty acid polyethylene glycol ester 20% Lime Result Fitting welding on both mandrels and roller jaws. Narvaron ay kalk gay samre yta. The possibility of lime and other components being pressed into the surfaces not excluded Very uneven feed 7 mm / 6 strokes The narvaron of lime defended the degreasing 64% Tall fatty acid • polyethylene glycol ester 16% Wool fatty acid polyethylene glycol ester 20 c / o Lime Result The rolling could be carried out with constant feeding. However, in a few cases, pass welding occurred on the door but not on the roller jaws.

Narvaron av kalk gay samre ytor, mOjligheten for aft kalk och andra komponenter inpressas i ytorna är icke uteslutet. The presence of lime gay common surfaces, the possibility of aft lime and other components being pressed into the surfaces is not excluded.

Konstant matning 7 mm/slag Narvaron av kalk forsvarade avfettningen 6 64 °/„ Tallfettsyrapolyetylenglykolester 16 % Ullfettsyrapolyetylenglykolester 20 % Cerechlor 42 (klorerad paraffin med 42 % ldor) Resultat Valsningen kunde genomforas utan smOrjmedelbarare sasom kalk. Nagon tendens till svetsning eller repbildning kunde ej konstateras Konstant matning 7 mm/slag Mycket latt att avfetta Inga tecken till uppkolning Klorider kunde ej sparas 7 64 % Tallfettsyra polyetylenglykolester 16 % Ullfettsyrapolyetylenglykolester 15 % Cerechlor 42 5 % merkaptobensotiazol Resultat Vid grovre dimensinner Over 1 1/2 " med komposition enligt fOrsok 6 kunde en viss tendens till repbildning iakttagas. Denna tendens upphorde da. svaveladditiv tillsattes. Constant feed 7 mm / stroke Narvaron of lime defended the degreasing 6 64 ° / „Tall fatty acid polyethylene glycol ester 16% Wool fatty acid polyethylene glycol ester 20% Cerechlor 42 (chlorinated paraffin with 42% ldor) Result The rolling could be carried out without lubricants such as lime. No tendency to welding or scratching could be found Constant feed 7 mm / stroke Very easy to degrease No signs of carbonization Chlorides could not be saved 7 64% Tall fatty acid polyethylene glycol ester 16% Wool fatty acid polyethylene glycol ester 15% Cerechlor 42 5% mercaptobenzothiazole Over 1 coarse dimensene thiazole 2 "with composition according to Experiment 6, a certain tendency to rope formation could be observed. This tendency ceased when sulfur additives were added.

Konstant matning 7 mm/slag Mycket latt att avfetta Inga tecken till uppkolning Klorider kunde ej sparas Kraftig repbildning 6 my 3 my 2 my - 0,8 my 2 my 0,8 my — -- Av vardena -pa ytfinhet fraingar att goda resultat farst erhalles med smorjmedel med komponenterna 1 + 2 + 3. Constant feed 7 mm / stroke Very easy to degrease No signs of carbonization Chlorides could not be saved Heavy rope formation 6 my 3 my 2 my - 0.8 my 2 my 0.8 my - - obtained with lubricant with components 1 + 2 + 3.

Claims

Patent claim:

Lubricants for chip-releasing or chip-free processing of metals, in particular as a drawing oil for pipe drawing and step-rolling of tubes, for carrying out the set according to patent 179 875, characterized in that it contains or consists of a mixture of 1) 5-90% by weight of esters between polyvalent alcohols and tallow acid, 2) 90-5% by weight of esters between polyhydric alcohols and fatty acids from natural fats, ie. animal and / or vegetable fats and 3) 5 to 50% by weight of one or more additives, which may form protective layers on the metal.

Lubricant according to claim 1, characterized in that it consists of 15-50% by weight of component 1) 50-15% by weight of component 2) and 10-30% by weight of the additives.

Lubricants according to claims 1-2, characterized in that the polyhydric alcohols consist of polyalkylene glycols, such as polyethylene glycol or polypropylene glycol, in particular polyethylene glycol with a molecular weight between 500 and 1500.

Lubricant according to claims 1-3, characterized in that the tallow acid consists of refined pine acid with a resin acid content of not more than 20% by weight.

Lubricants according to claims 1-4, characterized in that the fatty acids from natural fats are obtained from lard and / or rapeseed oil, and / or lanolin.

Lubricants according to claims 1-5, characterized in that esters of tall acid, refined tall acid and / or wool fatty acid, which have been polymerized or condensed, are not in the agent.

Lubricants according to claims 1-6, characterized in that the additives are selected from one or more components belonging to the groups chlorine-containing additives, such as chlorinated paraffin, pentachlorophenol, sulfur-containing additives, such as sulfur, sulfur chloride, sulfur oxychloride, organic sulfur sulphide dials, compounds. ex. diethyl sulfide, oxyalkyl sulfides, e.g. dihydethyl sulfide, mercaptobenzothiazole, sodium mercaptobenzothiazole, phosphorus-containing additives, such as tricresyl phosphate.

Lubricant according to claims 1-7, characterized in that it also contains and is known to be lubricant, e.g. mineral oil lubricants, synthetic lubricants. Cited publications: Patentskrifter! Gut Sverige 136 74

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