CN1200127C - Nano TiN modified Tic or Ti (C,N) base metal ceramic cutter tool, its production process and application - Google Patents
Nano TiN modified Tic or Ti (C,N) base metal ceramic cutter tool, its production process and application Download PDFInfo
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- CN1200127C CN1200127C CN 02138161 CN02138161A CN1200127C CN 1200127 C CN1200127 C CN 1200127C CN 02138161 CN02138161 CN 02138161 CN 02138161 A CN02138161 A CN 02138161A CN 1200127 C CN1200127 C CN 1200127C
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Abstract
The present invention relates to a TiC or Ti(C, N) base metal ceramic cutter modified by nanometer TiN, a manufacturing technology thereof and a using method thereof. In the manufacturing technology, the TiC or Ti(C, N) base metal ceramic cutter modified by the nanometer TiN comprises TiC or Ti(C, N) as a base material, and 2 to 15 wt% of TiN(nm) is added. The TiC or Ti(C, N) base metal ceramic cutter modified by nanometer TiN of the present invention has the advantages of high hardness, good abrasion resistance and excellent thermal stability, heat conductance, corrosion resistance, oxidation resistance, high-temperature hardness, high-temperature strength, etc. Compared with hard alloy cutters, the TiC or Ti(C, N) base metal ceramic cutter modified by nanometer TiN has the advantages that the durability and the service life are improved by 1 to 50 times, the cutting speed is improved by 1.5 to 3 times, the cost is equal to or slightly higher than that of the hard alloy cutters, and the metal cutting and processing cost is reduced by 20 to 40%. Compared with common Ti(C, N) base metal ceramic cutters, the TiC or Ti(C, N) base metal ceramic cutter modified by nanometer TiN is higher in reliability.
Description
Technical field:
The present invention relates to ceramic tool, powder metallurgy technology and tool technique.
Background technology:
Cermet material is the metal of producing with powder metallurgy process and ceramic matrix material.(C, N) based ceramic metal is to be used for filling up WC-Co series hard metal and Al for early stage TiC, Ti
2O
3Space between the chemical tool material is suitable for doing the accurately machined instrument of high speed.And the ceramic tool material that contains N that occurred later in 1971 (Ti (C, N) based ceramic metal) has been widely used in making cutter abroad owing to have wear-resisting, high temperature resistant, resistance to oxidation and series of advantages such as solidity to corrosion is good.At present, 1/3rd of Japanese cutter adopt the manufacturing of this kind material.At home, how cutting tool is made with WC-Co, WC-TiC=Co series hard metal, wherein typical YG8, YT15 inserted tool are when difficult-to-machine materials such as high speed cutting plain carbon stool, stainless steel, graphitic cast iron and cutting hardened steel, can't be competent at, must adopt sintex, ceramic tool, cubic boron nitride (CBN) cutter or man made diamond tool.Synthetic diamond cutter and CBN cutter have superiority during relatively hard materials in cutting, but it costs an arm and a leg, thereby have limited its range of application.For sintex, because its fragility is big, easy tipping during cutting, cost is higher thereby also fail widespread usage at present in factory.And common Ti (C, N) " tipping " phenomenon because its bending strength and toughness are lower, easily takes place in base ceramet tool bit when difficult-to-machine materials such as high speed cutting plain carbon stool, stainless steel and cutting cold hard cast-iron and stainless steel.
Along with modern science and technology and development of modern industry, more and more higher requirement has been proposed cutter.Develop the cermet cutter that a kind of cost is lower, over-all properties is more superior and become the task of top priority with the alternative present widely used inserted tool of part.
Along with the appearance of eighties of last century the eighties nanosecond science and technology, provide the development space for preparing high-performance nano matrix material with the method for nano modification to people with superfine crystal particle.
Summary of the invention:
Technical problem to be solved by this invention is to avoid existing weak point in the above-mentioned prior art, provides:
1, a kind of cost quite or slightly high, over-all properties is more superior with nano TiN modified TiC or Ti (C, N) base ceramet tool bit.
2, a kind of above-mentioned with nano TiN modified TiC or Ti (C, N) manufacturing process of base ceramet tool bit.
3, a kind of using method of above-mentioned ceramic tool.
The technical scheme that technical solution problem of the present invention is adopted is:
The present invention is that its material composition of described cutter is by weight percentage with the characteristics of nano TiN modified TiC base ceramet tool bit: be base material with TiC, add TiN (nm) 2～15;
The material composition of described TiC base material is by weight percentage: Mo
2C 10～20, Ni 5～25, WC 0～15, NbC 0～5, TaC 0～5, TiC surplus.
The present invention with nano TiN modified Ti (C, N) characteristics of base ceramet tool bit are that its material composition of described cutter is by weight percentage: (C N) is base material, adds TiN (nm) 2～15 with Ti;
(C, N) material composition of base material is described Ti by weight percentage: TiN (μ m) 5～10, Mo
2C 10～20, Ni5～25, WC 0～15, NbC 0～5, TaC 0～5, TiC surplus.
The present invention with nano TiN modified Ti (C, N) characteristics of base ceramet tool bit are that its material composition of described cutter is by weight percentage: (C N) is base material, adds TiN (nm) 2～15 with Ti;
(C, N) material composition of base material by weight percentage or be: Mo for described Ti
2C 10～20, Ni 5～25, WC0～15, NbC 0～5, TaC 0～5, Ti (C, N) surplus.
The characteristics of the manufacturing process of the above-mentioned ceramic tool of the present invention are to adopt powder metallurgic method, and its operational path is: suppress → remove forming agent behind the ball milling of composition design → nano TiN dispersion → powder mix → adding forming agent, pre-burning → vacuum sintering → blade grinds;
Described nano TiN dispersive dispersion medium is a dehydrated alcohol, and the ratio of powder and dehydrated alcohol is 1: 10; Tensio-active agent is tween 80 or the acid of dodecylbenzene semi-annular jade pendant, and the add-on of tween 80 is 3 by weight percentage, and the add-on of dodecylbenzene semi-annular jade pendant acid is 5; Adopt ultrasonic dispersing, jitter time is the 30-40 branch; The forming pressure of described compacting is 150-180MPa, and the described temperature that removes that removes forming agent is 200 ℃-800 ℃, and described pre-burning heat-up time is 10-25 hour; Described vacuum sintering temperature is 1380 ℃-1430 ℃, and soaking time is 1 hour.
The characteristics of the using method of the above-mentioned cutter of the present invention are that the setting angle of described cutter is α
0=9 °, γ
0=-8 °, κ
r=45 °, κ
r'=45 °.
Compared with the prior art, beneficial effect of the present invention is embodied in:
(C, N) base ceramet tool bit not only has hardness height, advantage that wear resistance is good, also has advantages such as thermostability, thermal conductivity, solidity to corrosion, oxidation-resistance and hot hardness, hot strength simultaneously with nano TiN modified TiC or Ti.(YG8 and YT15 etc.) compare with inserted tool, (C N) improves 1-50 in the durability of base ceramet tool bit and work-ing life doubly, and cutting speed 1.5-3 doubly for nano TiN modified TiC, Ti, cost and inserted tool quite or slightly high, and metal cutting processing charges decline 20-40%.With common Ti (C, N) base ceramet tool bit is compared, (C, N) base ceramet tool bit has higher reliability for nano TiN modified TiC, Ti.Positive popularizing action is played in development and technical progress for cutter material of the present invention.The cutter user can be by improving stock-removing efficiency, improve cutting precision and reduce cutter consumption, disappears processing charges and directly obtain economic benefit thereby reduce to cut.In addition, cermet material ratio of performance to price height of the present invention uses widely, can extensively be applied on milling cutter, wortle and other wearing piece.
The drawing explanation:
Fig. 1 is the manufacturing process flow diagram of ceramic tool of the present invention.
Fig. 2 is forming agent removing process curve in the cutter manufacturing process of the present invention.
Fig. 3 is vacuum sintering curve in the cutter manufacturing process of the present invention.
Embodiment (in the present embodiment, the value of all each compositions is all by weight percentage):
Nano TiN modified TiC or Ti (its material composition is for C, N) base ceramet tool bit:
(C N) is base material, adds TiN (nm) 2～15 by weight percentage with TiC or Ti.
In concrete the enforcement, be that the sintering metal of base material has two series with TiC, with Ti (C N) for the sintering metal of base material has four series, wherein, is a base material with TiC:
Series one composition is by weight percentage: 2～15 TiN (nm), 10～20 Mo
2C, 5～25 Ni, 0～15 WC, 0～5 NbC, 0～5 TaC, TiC surplus.
The series binary is by weight percentage: 2～15 TiN (nm), 10～20 Mo
2C, 5～15 Ni, 0～15 WC, 0～5 NbC, 0～5 TaC, 5～15 Co, TiC surplus.
With Ti (C N) is base material:
Series one composition is by weight percentage: 2～15 TiN (nm), 5～10 TiN (μ m), 10～20 Mo
2C, 5～25 Ni, 0～15 WC, 0～5 NbC, 0～5 TaC, TiC surplus.
The series binary is by weight percentage: 2～15 TiN (nm), 5～10 TiN (μ m), 10～20 Mo
2C, 5～15 Ni, 0～15 WC, 0～5 NbC, 0～5 TaC, 5～15 Co, TiC surplus.
Series three compositions are by weight percentage: 2～15 TiN (nm), 10～20 Mo
2C, 5～25 Ni, 0～15 WC, 0～5 NbC, 0～5 TaC, Ti (C, N) surplus.
The series four-component is by weight percentage: 2～15 TiN (nm), 10～20 Mo
2C, 5～15 Ni, 0～15 WC, 0～5 NbC, 0～5 TaC, 5～15 Co, Ti (C, N) surplus.
About nano TiN modified TiC, Ti (C, N) manufacturing of base ceramet tool bit:
Embodiment 1: referring to accompanying drawing 1, Fig. 2 and Fig. 3.
1, the cutter material composition by weight percentage: 10 TiN (nm), 12 Mo
2C, 20 Ni, 12 WC, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
2, nano TiN disperses: in powder and 1: 10 ratio weighing nano TiN powder of dispersion medium, measure the dispersion medium dehydrated alcohol in beaker, add the tensio-active agent tween-80 then, or dodecylbenzene semi-annular jade pendant acid, the concrete add-on of tween-80 by weight percentage is 3, and the add-on of dodecylbenzene semi-annular jade pendant acid is 5.With the ZB220-T ultrasonoscope nano TiN powder is disperseed, the dispersive time is the 30-40 branch.
3, the ball milling of powder mix: will pour in the nylon ball grinder that other micron powder is housed through dispersive nano TiN powder slurry, and put into dehydrated alcohol (ratio of grinding media to material is 1: 7) then.In the QM-IF planetary ball mill with the rotating speed ball milling of 175r/min 24 hours, then the slurry behind the ball milling is placed in 80 ℃ the electrically heated drying cabinet and carries out drying, dry back adds forming agent gasoline rubber or paraffin or polyvinyl alcohol water solution (concentration is 6-7 by weight percentage), carries out granulation.
4, compression moulding: the forming pressure of putting into mould is 150-180MPa, and comparatively suitable pressure is 180MPa.
5, remove forming agent, pre-burning → vacuum sintering: the blank after will suppressing is put into sintering oven again and is removed forming agent after putting into the baking oven oven dry, and temperature is 200 ℃-800 ℃, and be 10-25 hour (forming agent removes curve as shown in Figure 2) heat-up time.Cutter blank after the pre-burning is put into vacuum sintering furnace with 1380 ℃-1430 ℃ temperature sintering, and effect was preferable when sintering temperature was 1420 ℃, and soaking time is 1 hour (the vacuum sintering curve as shown in Figure 3).
6, blade grinds: the agglomerating blade is ground to all size with diamond wheel by standard on grinding machine, as being ground to triangular blade by the TNUN160408 standard, or is ground to square blade etc. by the SNUN150406 standard.
Using method about cutter:
The setting angle of cutter is: α
O=9 °, γ
O=-8 °, κ
r=45 °, κ
r'=45 °.
The Tool in Cutting parameter is: cutting speed 150-400m/min, depth of cut are 0.5-2mm, and the depth of cut is 0.1-0.5mm/r.
Such as, lathe is the CA6140 lathe, workpiece is the 45# rod iron of normalizing attitude.Machining condition is for doing cutting, its cutting
Parameter is specially cutting speed 300m/min, and depth of cut is 2mm, and the depth of cut is 0.5mm/r.
Evidence: (YG8 and YT15 etc.) compare with inserted tool, and the life-span of nano TiN modified TiC base ceramet tool bit is improved 1-50 doubly, and machining expense decline 20-40%.
Cutter material composition in the present embodiment by weight percentage also can for:
Get: 2 TiN (nm), 15 Mo
2C, 10 Ni, 10 WC, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
Or get: 15 TiN (nm), 12 Mo
2C, 10 Ni, 15 WC, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
Embodiment 2:
1, the cutter material composition by weight percentage: 4 TiN (nm), 6 TiN (μ m), 12 Mo
2C, 15 WC, 5 Ni, 5 Co, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
2, nano TiN disperses: in powder and 1: 10 ratio weighing nano TiN powder of dispersion medium, measure the dispersion medium dehydrated alcohol in beaker, the amount that adds the tensio-active agent tween-80 then by weight percentage is 3, or the amount that the acid of dodecylbenzene semi-annular jade pendant adds is 5.With the ZB220-T ultrasonoscope nano TiN powder is disperseed, the dispersive time is the 30-40 branch.
3, the ball milling of powder mix: will pour in the nylon ball grinder that other micron powder is housed through dispersive nano TiN powder slurry, and put into dehydrated alcohol (ratio of grinding media to material is 1: 7) then.In the QM-IF planetary ball mill with the rotating speed ball milling of 175r/min 36 hours, then the slurry behind the ball milling is placed in 80 ℃ the electrically heated drying cabinet and carries out drying, dry back adds forming agent gasoline rubber or paraffin or polyvinyl alcohol water solution (its weight percent concentration is 6-7), carries out granulation.
4, compression moulding: the forming pressure of putting into mould is 150-180MPa, and comparatively suitable pressure is 170MPa.
5, remove forming agent, pre-burning → vacuum sintering: the blank after will suppressing is put into vacuum sintering furnace again and is carried out degreasing after putting into the baking oven oven dry, and skimming temp is 200 ℃-800 ℃, and comparatively Shi Yi temperature is 400 ℃, and be 10-25 hour heat-up time.Cutter blank after the degreasing is put into vacuum sintering furnace with 1380 ℃-1430 ℃ temperature sintering, and more suitable temperature is 1400 ℃, and soaking time is 1 hour.
6, blade grinds: the agglomerating blade can be ground to all size with diamond wheel by standard on grinding machine equally, as being ground to triangular blade by the TNUN160408 standard, or be ground to square blade etc. by the SNUN150406 standard.
7, the using method of cutter:
The setting angle of cutter: α
O=9 °, γ
O=-8 °, κ
r=45 °, κ
r'=45 °.
The Tool in Cutting parameter is: cutting speed 150-400m/min, depth of cut are 0.5-2mm, and the depth of cut is 0.1-0.5mm/r.
Such as, lathe is the CA6140 lathe, and workpiece is a graphitic cast iron, and hardness is HB220, and machining condition is for doing cutting, and its cutting parameter is specially cutting speed 200m/min, and depth of cut is 1mm, and the depth of cut is 0.5mm/r.
Evidence: with common Ti (C, N) base ceramet tool bit is compared, the life-span of nano TiN modified TiC base ceramet tool bit is improved 1-10 doubly, and machining expense decline 15-40%.
In the present embodiment cutter material composition by weight percentage also can for:
Get: 2 TiN (nm), 8 TiN (μ m), 10 Mo
2C, 10 WC, 10 Ni, 5 Co, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
Or get: 15 TiN (nm), 5 TiN (μ m), 12 Mo
2C, 12 WC, 5 Ni, 5 Co, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
In the foregoing description 1,2,, can consider to add in right amount NbC and TaC for the high-temperature behavior (as red hardness) that further improves cutter and wear resistance etc.
Claims (9)
1, a kind of with nano TiN modified TiC base ceramet tool bit, it is characterized in that its material composition of described cutter is by weight percentage: be base material with TiC, add TiN (nm) 2～15;
The material composition of described TiC base material is by weight percentage: Mo
2C 10～20, Ni 5～25, WC 0～15, NbC 0～5, TaC 0～5, TiC surplus.
2, according to claim 1 with nano TiN modified TiC base ceramet tool bit, it is characterized in that the Ni in the described TiC substrate material composition is 5～15; Having in addition in described TiC base material is 5～15 Co by weight percentage.
It is 3, a kind of that (C, N) base ceramet tool bit is characterized in that its material composition of described cutter is by weight percentage: (C N) is base material, adds TiN (nm) 2～15 with Ti with nano TiN modified Ti;
(C, N) material composition of base material is described Ti by weight percentage: TiN (μ m) 5～10, Mo
2C 10～20, Ni5～25, WC 0～15, NbC 0～5, TaC 0～5, TiC surplus.
4, according to claim 3 with nano TiN modified Ti (C, N) base ceramet tool bit, it is characterized in that described Ti (C, N) Ni in the substrate material composition is 5～15, (C, N) having in addition in the base material is 5～15 Co by weight percentage at described Ti.
It is 5, a kind of that (C, N) base ceramet tool bit is characterized in that its material composition of described cutter is by weight percentage: (C N) is base material, adds TiN (nm) 2～15 with Ti with nano TiN modified Ti;
(C, N) material composition of base material by weight percentage or be: Mo for described Ti
2C 10～20, Ni 5～25, WC 0～15, NbC 0～5, TaC 0～5, Ti (C, N) surplus;
6, according to claim 5 with nano TiN modified Ti (C, N) base ceramet tool bit, it is characterized in that described Ti (C, N) Ni in the substrate material composition is 5～15, (C, N) having in addition in the base material is 5～15 Co by weight percentage at described Ti.
7, the manufacturing process of a kind of claim 1 or 3 or 5 described ceramic tools, it is characterized in that adopting powder metallurgic method, its operational path is: suppress → remove forming agent behind the ball milling of composition design → nano TiN dispersion → powder mix → adding forming agent, pre-burning → vacuum sintering → blade grinds;
Described nano TiN dispersive dispersion medium is a dehydrated alcohol, and the ratio of powder and dehydrated alcohol is 1: 10; Tensio-active agent is tween 80 or the acid of dodecylbenzene semi-annular jade pendant, and tween 80 add-on by weight percentage is 3, and dodecylbenzene semi-annular jade pendant acid add-on is 5; Adopt ultrasonic dispersing, jitter time is the 30-40 branch; The forming pressure of described compacting is 150-180MPa, and the described temperature that removes that removes forming agent is 200 ℃-800 ℃, and described pre-burning heat-up time is 10-25 hour; Described vacuum sintering temperature is 1380 ℃-1430 ℃, and soaking time is 1 hour.
8, the using method of the described cutter of a kind of claim 1, the setting angle that it is characterized in that described cutter is α
0=9 °, γ
0=-8 °, κ
r=45 °, κ
r'=45 °.
9, the using method of cutter according to claim 8, the cutting speed that it is characterized in that described cutter is 150-400m/min, and depth of cut is 0.5-2mm, and the depth of cut is 0.1-0.5mm/r.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138161 CN1200127C (en) | 2002-08-21 | 2002-08-21 | Nano TiN modified Tic or Ti (C,N) base metal ceramic cutter tool, its production process and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02138161 CN1200127C (en) | 2002-08-21 | 2002-08-21 | Nano TiN modified Tic or Ti (C,N) base metal ceramic cutter tool, its production process and application |
Publications (2)
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|---|---|
| CN1477222A CN1477222A (en) | 2004-02-25 |
| CN1200127C true CN1200127C (en) | 2005-05-04 |
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| CN102732766B (en) * | 2012-07-06 | 2014-08-06 | 四川大学 | Coarse grain hard alloy material and preparation method thereof |
| CN103567473A (en) * | 2012-07-24 | 2014-02-12 | 洪泽县汽车半轴制造有限公司 | Nano ceramic cutting tool for processing automotive axle shafts |
| CN103556086B (en) * | 2013-10-21 | 2015-12-02 | 西安科技大学 | A kind of high temperature resistance wear-resistant Ti(C, N) preparation method of ceramic-metal composite |
| CN104018052B (en) * | 2014-06-24 | 2016-08-24 | 华中科技大学 | A kind of TiC whisker reinforcedmetal pottery and preparation method thereof |
| CN105666255A (en) * | 2016-03-01 | 2016-06-15 | 李贤义 | Automatic production system of numerical control cutter |
| CN108530086A (en) * | 2018-04-20 | 2018-09-14 | 苏州凌科特新材料有限公司 | A kind of preparation method of composite ceramics chopping block |
| CN109355542A (en) * | 2018-11-13 | 2019-02-19 | 武汉新科冶金设备制造有限公司 | Blast furnace opening drill bit ceramet bit material and preparation method thereof |
| CN110004345A (en) * | 2019-03-25 | 2019-07-12 | 广东工业大学 | A kind of high-performance metal sintex and preparation method thereof |
| GB201917347D0 (en) * | 2019-11-28 | 2020-01-15 | Hyperion Materials & Tech Sweden Ab | NbC-based cemented carbide |
| CN115464689A (en) * | 2022-09-28 | 2022-12-13 | 武汉苏泊尔炊具有限公司 | Tool and method of manufacturing a tool |
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