CN1477222A - 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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- CN1477222A CN1477222A CNA021381615A CN02138161A CN1477222A CN 1477222 A CN1477222 A CN 1477222A CN A021381615 A CNA021381615 A CN A021381615A CN 02138161 A CN02138161 A CN 02138161A CN 1477222 A CN1477222 A CN 1477222A
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Abstract
The present invention relates to a nano TiN modified TiC or TiC (C, N) base ceramic-metal tool, its production process and application method. The composition said ceramic-metal material uses the TiC or Ti(C,N) as base material, and adds 2-15 wt% of TiN (nm). The tool has high hardness, good wear resistance, excellent thermal stability, thermal conductivity, corrosion resistance, oxidation resistance, high-temp. hardness and high-temp. strength.
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:
1, with nano TiN modified TiC or Ti (C, N) base ceramet tool bit are characterized in that the composition of this cutter material is:
(C N) is base material, adds TiN (nm) 2～15wt% with TiC or Ti.
2, the manufacturing process of above-mentioned metal pottery cutter, be characterized in 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.
3, the using method of above-mentioned ceramic tool, the setting angle that is characterized in 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:
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) 2～15wt% 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: 2～15wt% TiN (nm), 10～20wt% Mo
2C, 5～25wt% Ni, 0～15wt% WC, 0～5wt% NbC, 0～5wt% TaC, TiC surplus.
The series binary is: 2～15wt% TiN (nm), 10～20wt% Mo
2C, 5～15wt% Ni, 0～15wt% WC, 0～5wt% NbC, 0～5wt% TaC, 5～15wt% Co, TiC surplus.
With Ti (C N) is base material:
Series one composition is: 2～15wt% TiN (nm), 5～10wt% TiN (μ m), 10～20wt%Mo
2C, 5～25wt% Ni, 0～15wt% WC, 0～5wt% NbC, 0～5wt% TaC, TiC surplus.
The series binary is: 2～15wt% TiN (nm), 5～10wt% TiN (μ m), 10～20wt%Mo
2C, 5～15wt% Ni, 0～15wt% WC, 0～5wt% NbC, 0～5wt% TaC, 5～15wt%Co, TiC surplus.
Series three compositions are: 2～15wt% TiN (nm), 10～20wt% Mo
2C, 5～25wt% Ni, 0～15wt% WC, 0～5wt% NbC, 0～5wt% TaC, Ti (C, N) surplus.
The series four-component is: 2～15wt% TiN (nm), 10～20wt% Mo
2C, 5～15wt% Ni, 0～15wt% WC, 0～5wt% NbC, 0～5wt% TaC, 5～15wt% 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, cutter material composition: 10wt% TiN (nm), 12wt% Mo
2C, 20wt% Ni, 12wt% 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, adding tensio-active agent tween-80 add-on then is 3wt%, or dodecylbenzene semi-annular jade pendant acid add-on is 5wt%.With the ZB220-T ultrasonoscope nano TiN powder is disperseed, the dispersive time is 30-40min.
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 6-7wt%), 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
0=9 °, γ
0=-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, and 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 also can for:
Get: 2wt% TiN (nm), 15wt% Mo
2C, 10wt% Ni, 10wt% WC, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
Or get: 15wt% TiN (nm), 12wt% Mo
2C, 10wt% Ni, 15wt% WC, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
Embodiment 2:
1, cutter material composition: 4wt% TiN (nm), 6wt% TiN (μ m), 12wt% Mo
2C, 15wt% WC, 5wt% Ni, 5wt% 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, adding tensio-active agent tween-80 add-on then is 3wt%, or dodecylbenzene semi-annular jade pendant acid add-on is 5wt%.With the ZB220-T ultrasonoscope nano TiN powder is disperseed, the dispersive time is 30-40min.
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 (concentration is 6-7wt%), 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; After blank after the compacting put into baking oven oven dry, put into vacuum sintering furnace again and carry out degreasing, 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
0=9 °, γ
0=-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 also can for:
Get: 2wt% TiN (nm), 8wt% TiN (μ m), 10wt% Mo
2C, 10wt% WC, 10wt% Ni, 5wt% Co, TiC surplus.Wherein, TiN is a nano powder, and 30-50nm, other composition are micropowder, 1-3 μ m.
Or get: 15wt% TiN (nm), 5wt% TiN (μ m), 12wt% Mo
2C, 12wt% WC, 5wt% Ni, 5wt% 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 (14)
1, a kind of with nano TiN modified TiC or Ti (C, N) base ceramet tool bit is characterized in that its material composition of described cutter is:
(C N) is base material, adds TiN (nm) 2～15wt% with TiC or Ti.
2, according to claim 1 with nano TiN modified TiC or Ti (C, N) base ceramet tool bit is characterized in that described is that the material composition of base material is with TiC:
Mo
2C 10～20wt%, Ni 5～25wt%, WC 0～15wt%, NbC 0～5wt%, TaC 0～5wt%, TiC surplus.
3, according to claim 1 with nano TiN modified TiC or Ti (C, N) base ceramet tool bit is characterized in that described is that the material composition of base material is with TiC:
Mo
2C 10～20wt%, Ni 5～15wt%, WC 0～15wt%, NbC 0～5wt%, TaC 0～5wt%, Co 5～15wt%, TiC surplus.
4, according to claim 1 with nano TiN modified TiC or Ti (C, N) base ceramet tool bit, it is characterized in that described with Ti (C N) for the material composition of base material is:
TiN (μ m) 5～10wt%, Mo
2C 10～20wt%, Ni 5～25wt%, WC 0～15wt%, NbC 0～5wt%, TaC 0～5wt%, TiC surplus.
5, according to claim 1 with nano TiN modified TiC or Ti (C, N) base ceramet tool bit, it is characterized in that described with Ti (C N) for the material composition of base material is:
TiN (μ m) 5～10wt%, Mo
2C 10～20wt%, Ni 5～15wt%, WC 0～15wt%, NbC 0～5wt%, TaC 0～5wt%, Co 5～15wt%, TiC surplus.
6, according to claim 1 with nano TiN modified TiC or Ti (C, N) base ceramet tool bit, it is characterized in that described with Ti (C N) for the material composition of base material is:
Mo
2C 10～20wt%, Ni 5～25wt%, WC 0～15wt%, NbC 0～5wt%, TaC 0～5wt%, Ti (C, N) surplus.
7, according to claim 1 with nano TiN modified TiC or Ti (C, N) base ceramet tool bit, it is characterized in that described with Ti (C N) for the material composition of base material is:
Mo
2C 10～20wt%, Ni 5～15wt%, WC 0～15wt%, NbC 0～5wt%, TaC 0～5wt%, Co 5～15wt%, Ti (C, N) surplus.
8, the manufacturing process of the described ceramic tool of a kind of claim 1, 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.
9, the manufacturing process of cutter according to claim 8 is characterized in that in the dispersing technology of described nano TiN dispersion medium is a dehydrated alcohol; Tensio-active agent is tween 80 or the acid of dodecylbenzene semi-annular jade pendant, adopts ultrasonic dispersing.
10, the manufacturing process of cutter according to claim 9, it is characterized in that powder and ratio as the dehydrated alcohol of dispersion medium are 1: 10, tween 80 add-on as tensio-active agent is 3wt%, or dodecylbenzene semi-annular jade pendant acid add-on is 5wt%, and the ultrasonic dispersing time is 30-40min.
11, the manufacturing process of cutter according to claim 8, the forming pressure that it is characterized in that described cutter is 150-180MPa, and it is 200 ℃-800 ℃ that forming agent removes temperature, and be 10-25 hour heat-up time.
12, the manufacturing process of cutter according to claim 8 is characterized in that described vacuum sintering temperature is 1380 ℃-1430 ℃, and soaking time is 1 hour.
13, 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 °.
14, the using method of cutter according to claim 13, 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)
| Publication Number | Publication Date |
|---|---|
| CN1477222A true CN1477222A (en) | 2004-02-25 |
| CN1200127C CN1200127C (en) | 2005-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02138161 Expired - Fee Related 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 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732766A (en) * | 2012-07-06 | 2012-10-17 | 四川大学 | Coarse grain hard alloy material and preparation method thereof |
| CN103556086A (en) * | 2013-10-21 | 2014-02-05 | 西安科技大学 | Preparation method of anti-high temperature wear-resistant Ti(C, N) metal ceramic composite material |
| 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 |
| CN104018052A (en) * | 2014-06-24 | 2014-09-03 | 华中科技大学 | TiC crystal whisker-reinforced metal ceramic 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 |
-
2002
- 2002-08-21 CN CN 02138161 patent/CN1200127C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732766A (en) * | 2012-07-06 | 2012-10-17 | 四川大学 | Coarse grain hard alloy material and preparation method thereof |
| 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 |
| CN103556086A (en) * | 2013-10-21 | 2014-02-05 | 西安科技大学 | Preparation method of anti-high temperature wear-resistant Ti(C, N) metal ceramic composite material |
| 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 |
| CN104018052A (en) * | 2014-06-24 | 2014-09-03 | 华中科技大学 | TiC crystal whisker-reinforced metal ceramic and preparation method thereof |
| 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 |
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| CN1200127C (en) | 2005-05-04 |
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