SE528434C2 - Cutting tool insert for milling of highly alloyed grey cast iron with or without cast skin under wet conditions, comprises cemented carbide body and coating - Google Patents
Cutting tool insert for milling of highly alloyed grey cast iron with or without cast skin under wet conditions, comprises cemented carbide body and coatingInfo
- Publication number
- SE528434C2 SE528434C2 SE0402708A SE0402708A SE528434C2 SE 528434 C2 SE528434 C2 SE 528434C2 SE 0402708 A SE0402708 A SE 0402708A SE 0402708 A SE0402708 A SE 0402708A SE 528434 C2 SE528434 C2 SE 528434C2
- Authority
- SE
- Sweden
- Prior art keywords
- layer
- cemented carbide
- carbide body
- thickness
- coating
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 35
- 239000011248 coating agent Substances 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 title claims abstract description 14
- 238000003801 milling Methods 0.000 title claims abstract description 10
- 229910001060 Gray iron Inorganic materials 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011230 binding agent Substances 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 13
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 3
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000001238 wet grinding Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 4
- 238000001556 precipitation Methods 0.000 claims 4
- BYFGZMCJNACEKR-UHFFFAOYSA-N aluminium(i) oxide Chemical compound [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000010941 cobalt Substances 0.000 abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 150000002739 metals Chemical class 0.000 abstract description 3
- 238000000151 deposition Methods 0.000 abstract 4
- 239000010955 niobium Substances 0.000 abstract 3
- 239000010936 titanium Substances 0.000 abstract 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 abstract 2
- 150000001247 metal acetylides Chemical class 0.000 abstract 2
- 229910052758 niobium Inorganic materials 0.000 abstract 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 2
- 229910052715 tantalum Inorganic materials 0.000 abstract 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 2
- 229910052719 titanium Inorganic materials 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- KAQKSOOCNAKEDV-UHFFFAOYSA-N 1,1,1-trinitro-2-(2,2,2-trinitroethoxymethoxy)ethane Chemical compound [O-][N+](=O)C([N+]([O-])=O)([N+]([O-])=O)COCOCC([N+]([O-])=O)([N+]([O-])=O)[N+]([O-])=O KAQKSOOCNAKEDV-UHFFFAOYSA-N 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 101100394231 Caenorhabditis elegans ham-2 gene Proteins 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 101100045406 Mus musculus Tap2 gene Proteins 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000009675 coating thickness measurement Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
- C23C16/403—Oxides of aluminium, magnesium or beryllium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Vapour Deposition (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Description
35 (Fl s” CC -Éä- CN -šš 2 Skären enligt föreliggande uppfinning består av: en hàrdme- tallkropp med en relativt högt W-legerad bindefas och med en väl- balanserad kemisk sammansättning och kornstorlek för WC, ett ko- lumnärt TiCXNy-skikt, ett K-Al203-skikt, ett TiN-skikt och eventu- ellt följt av utjämning av skäreggarna genom borstning av eggarna. The inserts according to the present invention consist of: a cemented carbide body with a relatively high W-alloy binder phase and with a well-balanced chemical composition and grain size for WC, a columnar TiCXNy layer, a K-Al 2 O 3 layer, a TiN layer and possibly followed by leveling of the cutting edges by brushing the edges.
Enligt föreliggande uppfinning föreligger ett skär med en härd- metallkropp av en sammansättning 5-8 vikt-% Co och rest WC med en medelkornstorlek av 1-2,5 um. Koboltbindefasen är högt legerad med W. Innehållet av W i bindefasen kan uttryckas som CW-värdet= Ms /(vikt-% Co 0,016l), där Ms är uppmätt mättnadsmagnetisering av hàrdmetallkroppen i hAm2 /kg och vikt-% Co är viktprocent Co i hàrdmetallen. CW-värdet är en funktion av W-halten i Co-bindefasen. Ett làgt CW-värde m0tSVärâI en hög W-halt i bindefasen.According to the present invention, there is an insert with a core-metal body of a composition of 5-8% by weight Co and residual WC with an average grain size of 1-2.5 μm. The cobalt binder phase is highly alloyed with W. The content of W in the binder phase can be expressed as the CW value = Ms / (weight% Co 0.016l), where Ms is measured saturation magnetization of the cemented carbide body in hAm2 / kg and weight% Co is weight percent Co in hard metals. The CW value is a function of the W content in the Co-binding phase. A low CW value must be a high W content in the binding phase.
Enligt föreliggande uppfinning fàs förbättrade skärprestanda om hàrdmetallkroppen har ett CW-värde av 0,75-0,93, 0,80-0,90. Hàrdmetallkroppen får innehålla Små mängder, <1 Volym- %, av eta fas (M6C), utan någon skadlig effekt.According to the present invention, improved cutting performance is obtained if the cemented carbide body has a CW value of 0.75-0.93, 0.80-0.90. The cemented carbide body may contain small amounts, <1% by volume, of one phase (M6C), without any harmful effect.
Företrädesvis är ytsammansättningen av hàrdmetallskäret välde- finierad och mängden av Co pá ytan är inom -2 vikt-% till +4 vikt- % av den nominella halten. företrädesvis - Radien av skäreggen är 35-50 pm.Preferably, the surface composition of the cemented carbide insert is well defined and the amount of Co on the surface is within -2% by weight to +4% by weight of the nominal content. preferably - The radius of the cutting edge is 35-50 μm.
Beläggningen omfattar - ett första (innersta) skikt av TiCXNy0z med x+y+z=l, y>x och zO,8 och z=O, med likaxliga korn med storlek - ett skikt av TiCxNy med x+y=1, x>O,3 och y>O,3, företrädes- vis x¿0,5, med en tjocklek av 1-4 pm, företrädesvis 2-2,7 pm, med kolumnära korn och med en medeldiameter av <5 pm, företrädesvis 0,1-2 pm, - ett skikt av en jämn, finkornig (medelkornstorlek omkring 0,5-2 um) A12O3 bestående väsentligen av K-fas. Men skiktet får in- nehàlla sma mängder (<5 vol-%) av andra faser sàsom 6- eller a-fas bestämd med röntgendiffraktionsmätning. Al2O3-skiktet har en tjocklek av 1-2,5 um, företrädesvis 1,2-1,7 um och - ett ytterligare 0,5-1,0 pm tjockt skikt av TiN. Detta yt- tersta skikt av TiN har en ytfinhet Rmax§O,4 pm över en längd av 10 um. TiN-skiktet är helst avlägsnat längs skäreggen och det under- 10 20 25 30 35 40 liggande aluminiumoxidskiktet kan vara helt eller delvis avlägsnat längs skäreggen.The coating comprises - a first (innermost) layer of TiCXNy0z with x + y + z = 1, y> x and zO, 8 and z = 0, with equal-axis grains of size - a layer of TiCxNy with x + y = 1, x > 0, 3 and y> 0, 3, preferably x 0.5, with a thickness of 1-4 μm, preferably 2-2.7 μm, with columnar grains and with an average diameter of <5 μm, preferably 0.1-2 μm, - a layer of a smooth, fine-grained (average grain size about 0.5-2 μm) Al 2 O 3 consisting essentially of K-phase. However, the layer may contain small amounts (<5% by volume) of other phases such as 6 or a phase determined by X-ray diffraction measurement. The Al 2 O 3 layer has a thickness of 1-2.5 μm, preferably 1.2-1.7 μm and an additional 0.5-1.0 μm thick layer of TiN. This outermost layer of TiN has a surface finish Rmax§0.4 μm over a length of 10 μm. The TiN layer is preferably removed along the cutting edge and the underlying alumina layer may be completely or partially removed along the cutting edge.
Föreliggande uppfinning även avser ett sätt att tillverka en hàrdmetallkropp med en sammansättning av 5-8 vikt-% Co och rest WC med en medelkornstorlek av l-2,5 pm. Koboltbindefasen är högt legerad med W. Innehållet av W i bindefasen uttryckt som CW-värdet är 0,75-0,93, företrädesvis 0,80-0,90.The present invention also relates to a method of manufacturing a cemented carbide body with a composition of 5-8% by weight of Co and residual WC with an average grain size of 1-2.5 μm. The cobalt binder phase is highly alloyed with W. The content of W in the binder phase expressed as the CW value is 0.75-0.93, preferably 0.80-0.90.
Radien hos den obelagda skäreggen är 35-60 pm.The radius of the uncoated cutting edge is 35-60 μm.
Beläggningen omfattar: - ett första (innersta) skikt av TiCXNyOz med x+y+z=l, Y>X Och z<0,2, företrädesvis y>0,8 och z=0, med likaxliga korn med storlek kända CVD-metoder, - ett skikt av TiCxNy med x+y=l, x>O,3 och y>0,3, företrädes- vis x¿0,5, med en tjocklek av 1-4 pm, företrädesvis 2-2,7 pm, med kolumnära korn och med en medeldiameter av <5 pm, företrädesvis 0,1-2 pm med användning av företrädesvis MTCVD-teknik (med använd- ning av acetonitril som kol- och kvävekälla för bildning av skik- tet i temperaturintervallet 700-900 OC). Men de exakta betingel- serna beror i viss utsträckning pà utformningen av den utrustning som används, - ett jämnt Al2O3-skikt väsentligen bestående av K-Al2O3 ut- fälld under betingelser beskrivna i t ex US 5,674,564. Al2O3-skik- tet har en tjocklek av 1-2,5 pm, företrädesvis 1,2-1,7 um och - ett 0,5-1,0 pm tjockt skikt av TiN med en ytfinhet RmaxíO,4 um över en längd av 10 um.The coating comprises: - a first (innermost) layer of TiCXNyOz with x + y + z = 1, Y> X and z <0.2, preferably y> 0.8 and z = 0, with equal-axis grains of size known CVD- methods, - a layer of TiCxNy with x + y = 1, x> 0, 3 and y> 0.3, preferably x¿0.5, with a thickness of 1-4 μm, preferably 2-2.7 μm, with columnar grains and with an average diameter of <5 μm, preferably 0.1-2 μm using preferably MTCVD technique (using acetonitrile as carbon and nitrogen source to form the layer in the temperature range 700- 900 OC). However, the exact conditions depend to some extent on the design of the equipment used, - an even Al2O3 layer consisting essentially of K-Al2O3 precipitated under conditions described in, for example, US 5,674,564. The Al 2 O 3 layer has a thickness of 1-2.5 μm, preferably 1.2-1.7 μm and - a 0.5-1.0 μm thick layer of TiN with a surface finish Rmax 10 0.4 μm over a length of 10 um.
Den jämna beläggningsytan uppnås av en mild vàt-blästring av beläggningens yta med finkornigt (400-150 mesh) aluminiumoxidpul- ver eller med borstning av eggarna med borstar baserade pà t ex SiC som beskrivits i t ex i US 5,86l,210. TiN-skiktet avlägsnas helst längs skäreggen och det underliggande aluminiumoxidskiktet kan helt eller delvis avlägsnas längs skäreggen.The smooth coating surface is achieved by a gentle wet blasting of the coating surface with fine-grained (400-150 mesh) alumina powder or by brushing the edges with brushes based on, for example, SiC as described in, for example, US 5.86l, 210. The TiN layer is preferably removed along the cutting edge and the underlying alumina layer can be completely or partially removed along the cutting edge.
Uppfinningen avser även användning av skär enligt ovan för vàtfräsning, med användning av flytande kylmedel, av högt legerat grått gjutjärn, vid 110-270 m/min och en matning av 0,15-0,35 mm/tand. Den även avser användning av skär enligt ovan för vàtfräsning av kompaktgrafitjärn och nodulärt järn vid en skärhastighet av 70-230 m/min och en matning av 0,15-0,35 mm/tand beroende pà skärhastighet och skärgeometri.The invention also relates to the use of inserts as above for wet milling, using liquid coolant, of high alloy gray cast iron, at 110-270 m / min and a feed of 0.15-0.35 mm / tooth. It also relates to the use of inserts as above for wet milling of compact graphite iron and nodular iron at a cutting speed of 70-230 m / min and a feed of 0.15-0.35 mm / tooth depending on the cutting speed and cutting geometry.
Exempel l 20 25 30 LH HD GO $> CN 4:; 4 Hàrdmecaiifrässkär enligt uppfinningen med Sarnnansättningen 6,0 vikt-s co och balans wc sincraaes pà konventionellt sätt vid l4lO°C och kyldes ner till l200°C i 0,6 bar H2 resulterande i skär med en bindefas högt legerad med W, motsvarande ett CW-värde av 0,85 och en Co-halt pä ytan motsvarande 7 vikt-% mätt med energidispersiv spektroskopi. Efter konventionell ER-behandling till en eggavrundning av 50 pm, belades skären med ett 0,5 pm likaxligt TiC0,05N0,95-skikt (med en hög kvävehalt motsvarande ett uppskattat C/N~förhàllande av 0,05) följt av ett 2,6 pm tjockt TiCO,54N0,45-skikt, med kolumnära korn med användning av MTCVD- teknik (temperatur 850-885 °C och CH3CN som kol/kvävekälla). I följande steg under samma beläggningscykel, utfälldes ett 1,3 um tjockt skikt av Al203 med användning av en temperatur 970 OC och en koncentration av H28 dopningsmedel av 0,4 % som beskrivits i US 5,674,564. Ett tunt (0,5 um) skikt av TiN utfälldes ovanpå enligt känd CVD-teknik. Röntgendiffraktionsmätning visade att Al2O3~skik- tet bestod av 100% K-fas.Example 1 20 25 30 LH HD GO $> CN 4 :; Hard meca milling cutters according to the invention with the Sarn composition 6.0 wt. CW value of 0.85 and a Co content on the surface corresponding to 7% by weight measured by energy dispersive spectroscopy. After conventional ER treatment to an edge rounding of 50 μm, the inserts were coated with a 0.5 μm equal to TiC0.05N0.95 layer (with a high nitrogen content corresponding to an estimated C / N ratio of 0.05) followed by a 2 μm , 6 μm thick TiCO, 54N0.45 layer, with columnar grains using MTCVD technology (temperature 850-885 ° C and CH 3 CN as carbon / nitrogen source). In the following steps during the same coating cycle, a 1.3 μm thick layer of Al 2 O 3 was precipitated using a temperature of 970 ° C and a concentration of H 28 dopant of 0.4% as described in US 5,674,564. A thin (0.5 μm) layer of TiN was deposited on top according to known CVD techniques. X-ray diffraction measurement showed that the Al2O3 layer consisted of 100% K-phase.
De belagda skären borstades med användning av en nylonborste innehållande SiC korn; Undersökning av de borstade skären i ett ljusoptiskt mikroskop avslöjade att det yttersta, tunna TiN-skik- tet och något av Al2O3-skiktet hade borstats bort längs själva skäreggen, och lämnade där en jämn Al203-yta. Beläggningstjock- leksmätningar pá tvärsnitt av borstade skär visade att det yt- tersta TiN-skiktet och ungefär halva Al2StO3-skíktet hade avlägs- nats längs egglinjen.The coated inserts were brushed using a nylon brush containing SiC grains; Examination of the brushed inserts in a light-optical microscope revealed that the outermost, thin TiN layer and some of the Al 2 O 3 layer had been brushed away along the cutting edge itself, leaving a smooth Al 2 O 3 surface. Coating thickness measurements on cross-sections of brushed inserts showed that the outermost TiN layer and approximately half of the Al2StO3 layer had been removed along the edge line.
Exempel 2 Skär enligt föreliggande uppfinning provades i planfräsning av cylinderhuvuden i legerat grätt gjutjärn Verktyg: Sandvik Coromant R260.31-250 Antal skär: 40 st Kriterium: Ytfinhet och arbetsstyckeurgryning.Example 2 Inserts according to the present invention were tested in face milling of cylinder heads in alloy cast iron. Tools: Sandvik Coromant R260.31-250 Number of inserts: 40 pcs.
Referens: TNEF 1204EN-CA i sort Sandvik Coromant K2OW Skärdata Skärhastighet: Vc = 118 m/min Mätning per tand: Fz= 0,23 mm per tand Skärdjup: Ap=3 mm Vàta betingelser N 20 30 40 TI TMÖ CD “få LN $> 5 Livslängd referens (känd teknik) 523 Cylinderhuvuden i stan- dardproduktion Livslängd av uppfinning 1027 cylinderhuvuden. Genomsnitt av fem prov. Ökning i livslängd 96 % med förbättrad ytfinhet och produkti- vitet.Reference: TNEF 1204EN-CA in black Sandvik Coromant K2OW Cutting data Cutting speed: Vc = 118 m / min Measurement per tooth: Fz = 0.23 mm per tooth Cutting depth: Ap = 3 mm Wet conditions N 20 30 40 TI TMÖ CD “get LN Lifetime Reference (Prior Art) 523 Cylinder Heads in Standard Production Lifespan of Invention 1027 Cylinder Heads. Average of five tests. Increase in service life 96% with improved surface finish and productivity.
Exempel 3 Skär enligt föreliggande uppfinning provades i en planfräsning av Cylinderhuvuden i legerat gràtt gjutjärn Verktyg: Sandvik Coromant R260.3l-250 Antal skär: 40 st Kriterier: Ytfinhet och arbetsstyckeurgryning.Example 3 Inserts according to the present invention were tested in a face milling of Cylinder heads in alloy gray cast iron Tools: Sandvik Coromant R260.3l-250 Number of inserts: 40 Criteria: Surface finish and workpiece dawn.
Referens TNEF l204EN-65 i sort Sandvik Coromant KZOW Skärdata Skärhastighet: Vc = 156 m/min Matning per tand: Fz= 0,29 mm per tand Skärdjup: Ap=3,5 mm Vàta betingelser Livslängd referens (känd teknik) 683 Cylinderhuvuden i stan- dardproduktion.Reference TNEF l204EN-65 in black Sandvik Coromant KZOW Cutting data Cutting speed: Vc = 156 m / min Feed per tooth: Fz = 0.29 mm per tooth Cutting depth: Ap = 3.5 mm Wet conditions Lifetime reference (known technology) 683 Cylinder heads in standard production.
Livslängd för uppfinningen 1435 cylinderhuvuden. Genomsnitt av 5 prov Ökning av livslängd 110 % med förbättrad ytfinhet.Lifespan of the invention 1435 cylinder heads. Average of 5 samples Increase in life 110% with improved surface finish.
Exempel 4 Planfräsning av cylinderblock i legerat grått gjutjärn Verktyg: Sandvik Coromant R260.31-315 Antal skär: 50 st Kriterier: Arbetsstyckeurgryning.Example 4 Face milling of cylinder blocks in alloy gray cast iron Tools: Sandvik Coromant R260.31-315 Number of inserts: 50 Criteria: Workpiece dawn.
Referens: TNEF l204EN-CA i sort Sandvik Coromant GC4040 Skärdata Skärhastighet: Vc = 180 m/min Matning per tand: Fz= 0,15 mm per tand Skärdjup: Ap=4 mm Vàta betingelser Livslängd referens 784 motorblock i standardproduktion Livslängd för uppfinningen 1583 motorblock. Genomsnitt av fem prov. Ökning i livslängd 100 % med förbättrad ytfinhetReference: TNEF l204EN-CA in black Sandvik Coromant GC4040 Cutting data Cutting speed: Vc = 180 m / min Feed per tooth: Fz = 0.15 mm per tooth Cutting depth: Ap = 4 mm Wet conditions Lifespan reference 784 engine blocks in standard production Lifespan of the invention 1583 engine block. Average of five tests. Increase in service life 100% with improved surface finish
Claims (7)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402708A SE528434C2 (en) | 2004-11-08 | 2004-11-08 | Cutting tool insert for milling of highly alloyed grey cast iron with or without cast skin under wet conditions, comprises cemented carbide body and coating |
SE0500015A SE0500015D0 (en) | 2004-11-08 | 2005-01-03 | Coated inserts for wet milling |
EP05445076A EP1655390A1 (en) | 2004-11-08 | 2005-10-18 | Coated inserts for wet milling |
US11/261,909 US7429151B2 (en) | 2004-11-08 | 2005-10-31 | Coated inserts for wet milling |
JP2005323517A JP2006136998A (en) | 2004-11-08 | 2005-11-08 | Coated insert for wet milling |
CNA2005101203470A CN1781632A (en) | 2004-11-08 | 2005-11-08 | Coated inserts for wet milling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0402708A SE528434C2 (en) | 2004-11-08 | 2004-11-08 | Cutting tool insert for milling of highly alloyed grey cast iron with or without cast skin under wet conditions, comprises cemented carbide body and coating |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0402708D0 SE0402708D0 (en) | 2004-11-08 |
SE0402708L SE0402708L (en) | 2006-05-09 |
SE528434C2 true SE528434C2 (en) | 2006-11-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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SE0402708A SE528434C2 (en) | 2004-11-08 | 2004-11-08 | Cutting tool insert for milling of highly alloyed grey cast iron with or without cast skin under wet conditions, comprises cemented carbide body and coating |
Country Status (2)
Country | Link |
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CN (1) | CN1781632A (en) |
SE (1) | SE528434C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105252239A (en) * | 2015-10-16 | 2016-01-20 | 东华大学 | Preparing method of gradient hard alloy cutter |
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2004
- 2004-11-08 SE SE0402708A patent/SE528434C2/en not_active IP Right Cessation
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2005
- 2005-11-08 CN CNA2005101203470A patent/CN1781632A/en active Pending
Also Published As
Publication number | Publication date |
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CN1781632A (en) | 2006-06-07 |
SE0402708L (en) | 2006-05-09 |
SE0402708D0 (en) | 2004-11-08 |
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