Summary: Of the cutting tool when analysing high speed cutting wear away configuration, summarized data of all sorts of cutting tool of high speed cutting (include cutting tool of pottery and porcelain, cubic nitrogen to turn boracic cutting tool, diamond cutting tool, cermet cutting tool and coating cutting tool) when high speed cutting wear away mechanism, discussed high speed cutting hard steel of cast-iron, temper by dipping in water is mixed of the cutting tool when nickel radical alloy wear away life. 1 foreword from 20 centuries 80 time begin, design the breakthrough of production technology as a result of the functional component such as system of the main shaft of numerical control machine tool, feed, the main shaft rotate speed of numerical control machine tool and feed rate all rise substantially, drive in what modern production technology progresses in the round below, cutting processing technique begins to enter the new level of high speed cutting. Current, high speed cutting already received a large number of application in the manufacturing industry domain such as mould, aviation, car, produced remarkable economic benefits, extending to other application domain. Treatment of high speed cutting raised a series of new requirements to cutting tool. Consider to make clear, when high speed cutting, the main reason that causes cutting tool damage is to because mechanical attrition, felt, chemistry wears away,be in below cutting force and cutting temperature action, collapse blade, broken and plasticity is out of shape wait those who cause wear away and damaged. Accordingly, the mainest to material of cutting tool of high speed cutting performance demand is hear resistance, wearability, chemical stability, heatproof shake gender and fight coating burst function to wait. The cutting tool material such as pottery and porcelain, CBN, PCD, cermet has good hear resistance and wearability, when its tenacity gets changing deal with problems arising from an accident, suit to be used at high speed cutting very much. The development of advanced coating technology improved the performance of cutting tool material further. Current, the development of new-style coating material and coating craft in the ascendant, adumbrative coating cutting tool will have tremendous progress latent capacity and wide application perspective in domain of high speed cutting. Cutting tool of the pottery and porcelain when the article is machined to high speed cutting, cubic nitrogen turns boracic cutting tool, diamond cutting tool, cermet cutting tool and coating cutting tool wear away mechanism undertook be commentinged integratedly, to cutting tool wear away configuration and wear away life undertook an analysis, these research will be beneficial to actual production be opposite in treatment of cutting tool of high speed cutting reasonable choose with wear away control. Graph of cutting tool of cutting of 1 high speed basically wear away configuration of cutting tool of cutting of 2 high speed wear away when cutting of configuration high speed, of cutting tool basically wear away face of the knife after configuration is wears away, small collapse blade, border wears away, piece shape flakes, before knife face crescent moon wears away depression, plasticity is out of shape etc, if pursue,1 is shown. Knife face wears away after is cutting tool of high speed cutting most often happen wear away form, can be being regarded is cutting tool is normal wear away. Knife face wears away after take width add congress to make cutting tool loses cutting property, wear away equably on face of the knife after high speed cutting is used constantly the wear limit that value of area width VB regards cutting tool as. Small collapse blade is the little gap that produces on blade of cutting tool cutting, often happen in intermittent when high speed cutting, good through choosing tenacity cutting tool stuff, reduce tool cutting edge angle of cutting tool of feed, change to wait for measure in order to increase stability, the happening that all can reduce small collapse blade probability. Want to be in the size control of blade of cutting tool small collapse only normally wear away limit less than, cutting tool still can continue cutting. Border wears away the knife of face of the knife after happening in cutting tool, place of labour contact brim, appearance is one long and narrow groove normally, because this also calls groove,wear away. Alloy of stainless steel of high speed cutting, high temperature (like the cutting tool when Inconel 718) incidental border wears away, the treatment sclerosis that its reason is workpiece surface makes knife, the workpiece material hardness with labour attrib border contact is highest. When the circle outside treatment, knife, the cutting rate with labour attrib border contact is top, because this forms border easily also,wear away. In addition, with high speed of cutting tool of pottery and porcelain incidental also border wears away when cutting is cast-iron. Piece shape flakes happen in cutting tool more before, hind on knife face, its reason is a knife, bits or knife, the osculatory exhaustion of labour contact area or be caused by of thermal stress exhaustion. Should flake very hour, be considered as to wear away; But fall in a lot of circumstances, because fatigue crackle source is apart from cutting tool surface to have certain depth, what form after crackle is patulous flake piece often be more than cutting tool wear away limit, once happen,flake, can make cutting tool invalidation, form flake damaged. Steel of mill of end of cutting tool of pottery and porcelain and cast-iron when, before conch shape often appears to flake on knife face; Coating cutting tool happens easily also not quite because of coating material and base material bonding strength flake. Knife face crescent moon wears away depression before most in the treatment of high speed cutting that often appears in plasticity metal. Plasticity is out of shape happen in cutting temperature more below the cutting condition with cutting tool red taller and poorer rigid, exceed material of strong cutting tool to be when cutting rate is very high produce plasticity possibly also to be out of shape phenomenon. Of cutting tool of cutting of 3 high speed wear away mechanism is in treatment of high speed cutting, as similar as common cutting treatment, also put in two to chafe deputy: Before knife face and cut the attrition between bits deputy face of the knife after mixing and already machined the attrition between the surface deputy. Among them, of face of the knife before former influence cutting tool wear away, of face of the knife after latter affects cutting tool wear away, before, hind of knife face wear away to all affect cutting tool life. But compare with common cutting photograph, the osculatory time of the cutting tool when high speed cutting and workpiece decreases, osculatory frequency increases, the more of quantity of heat of the generation in cutting process is delivered to cutting tool, accordingly its wear away mechanism and common cutting have very big distinction. Cutting tool of pottery and porcelain of cutting tool of pottery and porcelain has hardness function of tall, wear-resisting and high temperature are mechanical function is admirable, chemical stability produces the characteristic such as felt well, not easily with the metal. The optimal cutting speed of cutting tool of pottery and porcelain can compare hard alloy cutting tool normally tall 3 ～ 10 times, apply to high speed cutting steel, cast-iron reach its alloy to wait. Cutting tool of pottery and porcelain is used at high speed cutting, cutting temperature can be as high as 800 ～ 1000 ℃ are taller even, cutting pressure is very great also. Accordingly, of cutting tool of pottery and porcelain wearing away is mechanical wear and chemistry wear away to make used kill integratedly, its wear away the mechanism basically includes abrasive to wear away, felt wears away, chemical reaction, diffuse wear away, oxidation wears away etc. Of cutting tool of pottery and porcelain wear away with cutting condition closely related, the felt that causes with high temperature when high speed cutting wears away, chemical reaction, oxidation wears away and diffuse wear away give priority to. Al2O3 base cutting tool of pottery and porcelain is in steel of cutting of successive high speed when, its wear away the abrasive that the mechanism basically has small collapse blade for companion wears away and felt wears away; And when high speed cutting is cast-iron, wear away the mechanism basically wears away for abrasive. When machining alloy of Inconel 718 high temperature with high speed of cutting tool of Al2O3/SiCw pottery and porcelain, of cutting tool basically wear away the mechanism wears away for felt, chemistry reacts and diffuse wear away, because this uses cutting tool of Al2O3/SiCw pottery and porcelain,cutting liquid must be used when treatment Inconel718 (the cutting fluid effect that contains chloridize olefin is better) . When processing AISI 4337 steel with Al2O3/ZrO2 and cutting tool of Al2O3/TiCN pottery and porcelain, before knife face and hind of knife face wear away mechanism differs somewhat: Tatty of face of the knife before chemistry reacts reaching plasticity to be out of shape is is main reason; Hind of knife face wear away mechanism is pottery and porcelain happen between grain rupture, bring about grain of pottery and porcelain to fall off be caused by. Treatment of cutting tool of Al2O3/TiB2 pottery and porcelain has better wearability when excel in steel and hard steel of temper by dipping in water, and the wear-resisting function of cutting tool increase and increase of content as TiB2. Al2O3 base cutting tool of pottery and porcelain is when high speed cutting, cutting tool surface layer can produce plasticity to be out of shape sometimes phenomenon, as a result of,this is Al2O3 and child of oxidation of FeO(steel surface) or additive of MgO(pottery and porcelain) reaction formed pointed spar structure, or the compound that action of Al2O3 and SiO2, CaO formed low melting point, low hardness. Si3N4 base when cutting of high speed of cutting tool of pottery and porcelain is cast-iron basically wear away the mechanism wears away for chemistry. What although chemistry wears away,itself holds proportion in the total wear extent of cutting tool of pottery and porcelain general not big, but chemistry can make the degree of mechanical wear is added greatly drama, if chemistry is deliquescent,reach diffuse action can cause strength of surface of pottery and porcelain abate, the felt between aggravate cutting tool and workpiece, bring about thereby serious felt wears away and microcosmic rupture wear away. Cutting steel when, of cutting tool of Si3N4 pottery and porcelain wear away to basically be concerned with the chemistry between cutting tool and workpiece, because the chemistry of Si3N4 grain is deliquescent,reach ceaseless by pull out from inside vitreous photograph, make cutting tool of Si3N4 pottery and porcelain shows very high wear rate. Steel of cutting of high speed of cutting tool of Si3N4 pottery and porcelain the high wear rate when is main but ascribe is the following two kinds of elements: The SiO2 layer that ① Si3N4 oxidizes and forms in cutting tool surface is ceaseless by abrasion; The FeO of ② SiO2 and workpiece surface forms low melting point in all brilliant mixture. Cubic nitrogen changes nitrogen of cubic metre of boracic cutting tool to change boron (CBN) is the compact posture that nitrogen changes boron, get together nitrogen of brilliant cubic metre changes boron (PCBN) is by CBN small pink with a few felt photographs (Co, ni or TiC, TiN, Al2O3) issues agglomeration in high temperature high pressure and become. Each are tiny in PCBN organization grain is shown rank state without foreword, PCBN hardness is accordingly even, tropism of not in the proper way, have consistent wearability and impact resistance, have very tall hardness and hear resistance (1500 ℃ of 1300 ～ ) , excellent chemical stability and thermal conductivity and low coefficient of friction, and PCBN and Fe a group of things with common features elemental endophilicity is very low, accordingly it is the cutting tool stuff with better metal of black of high speed cutting. Dimension of the CBN content of PCBN, grain, felt all can affect its performance equally: CBN content is higher, the hardness of PCBN and thermal conductivity are taller also; CBN grain size is larger, its fight damaged sex to lose more, sharp sex differs the crucial point more; When using metallic stuff Co, Ni to serve as felt photograph, PCBN has better tenacity and conductivity, better thermal stability is had when using material of pottery and porcelain to serve as felt photograph. PCBN cutting tool basically produces chemistry to wear away when high speed cutting is cast-iron, occurrence crescent moon of face of the knife before bringing about wears away depression. The experiment proves, through changing CBN content and parameter of cutting tool geometry, with reducing cutting temperature is mixed reduce a knife, bits contacts length (time) , can reduce chemistry to wear away rate, crescent moon of face of the knife before avoiding wears away depression. Think commonly, of CBN cutting tool as a result of,wearing away is the high temperature in cutting process, high pressure, cut bits and before happen to it about chemical element in the attrition between knife face and workpiece material felt, close mix and cause, namely its wear away the mechanism basically includes: ① oxidation wears away and change wear away. The average cutting temperature when cutting of high speed of CBN cutting tool can amount to 1000 ～ 1200 ℃ , here high temperature falls, although be in,often be pressed and in air atmosphere also enough makes area of point of a knife of CBN cutting tool produces oxidation, put nitrogen to change even. And CBN cutting tool once oxidation and photograph change to be able to lose its cutting ability namely. ② felt wears away. Below constant pressure and high temperature condition, point of a knife and by area of treatment material contact as cut bits to be poured out of ceaselessly, bilateral all ceaseless and bare a new face. Although CBN is right,element of Fe a group of things with common features has taller chemical laziness, but be not to other element such, when the condition suits, can make CBN active increases, laziness is reduced, as increase with alloying element ceaselessly with the tendency in person, will bring about occurrence felt to wear away. This kind wears away average performance falls off for particle, when temperature of area of point of a knife is as high as 1200 ℃ to control, local CBN grain will appear " fuse partly " condition, make felt wears away thereby big big aggravate. ③ attrition wears away. The high speed between workpiece and cutting tool makes relative to games CBN cutting tool produces attrition to wear away. ④ grain flakes with small collapse blade. Because CBN cutting tool is,by countless petty CBN grain is formed, the careful crackle connection between crystal boundary is shown between grain, and the internal stress with inhomogenous existence, because this cuts bits to shed attrition to blow when high temperature,grind when CBN point of a knife, the meeting because workpiece material hardness not all or what what existence horniness dot produces is small pound and cause CBN grain to fall off or produce small collapse blade. Cause tatty of CBN cutting tool afore-mentioned a variety of elements are not just self-existent, separate action, however mutual influence, collective aggravate, if oxidize to wear away and change,wear away to accompanying felt to wear away necessarily, appear attrition wears away, flake wear away with small collapse. Material of diamond of diamond cutting tool can be divided for natural diamond and making synthetic diamond. Natural diamond has the highest hardness in nature material and coefficient of thermal conductivity. A variety of adoption that what develop in recent years chemical mechanism is abrade the method of diamond cutting tool and technology of diamond of solder of protective atmosphere drill rod make of natural diamond cutting tool make become relatively easy, make natural diamond cutting tool is in thereby exceed domain of cutting of rigid lens face to get applied extensively. After 50 time realized 20 centuries to use technology of high temperature high pressure to synthesize diamond pink artificially, 70 time are made gave diamond base cutting cutting tool gets together namely brilliant diamond (PCD) cutting tool. PCD grain is shown rank state without foreword, do not provide directional, hardness is consequently even. PCD cutting tool has tall hardness (8000 ～ are 12000HV) , tall thermal conductivity, low heat bilges quantity of coefficient, high stretch standard and low coefficient of friction, the crucial point is very sharp, but high speed cutting processes the high-powered metalloid data with all sorts of nonferrous metal and extremely strong wearability, if aluminous, copper, magnesium reachs his,alloy, hard alloy, fiber adds model material, metal radical composite material, lumber composite material. The chemical gas phase that studying at present and develops is deposit (CVD) diamond basically has two kinds of forms: One kind is the layer film that deposit on matrix ply is less than 30µm (CVD filmy) ; Another kind is deposit ply those who amount to 1mm without underlay diamond thick layer film () of CVD thick film. Material of 3 kinds of main diamond cutting tool -- thick film of PCD, CVD and the function that synthesize single crystal diamond artificially compare eventuate: Sex of the weldability of PCD, mechanical grinding and rupture tenacity is highest, fight abrasiveness and point mass between two parties, corrosion resistance is the poorest; The corrosion resistance of CVD thick film is best, quality of mechanical grinding sex, point, rupture tenacity and fight abrasiveness be placed in the middle, but weldability is the poorest; The point quality that synthesizes single crystal diamond artificially, fight abrasiveness and corrosion resistance best, sex of weldability, mechanical grinding and rupture tenacity is the poorest. Current, diamond cutting tool is high speed cutting (the cutting tool stuff with better aluminium alloy of 2500 ～ 5000m/min) , but wear away however when iron and steel of high speed cutting and its alloy faster, its wear away because carbon and iron are had,mechanism basically is bigger kiss and action, issue diamond in high temperature especially easy as chemical as iron happening reaction, it is accordingly unwell reach its alloy material at cutting iron and steel. Cermet of cermet cutting tool (namely TiC(N) base hard alloy) bases is TiC(carbonization titanium) , TiN(nitrogen changes titanium) change titanium with TiCN(carbon nitrogen) etc. TiC(N) base the TiC+N(i that hard alloy includes to have tall wearability or Mo) alloy, TiC+WC+TaC+Co alloy that has tall tenacity, Jiang Ren alloy that gives priority to body with TiN and alloy of pliable but strong of TiCN+NbC excel in. With WC hard alloy photograph is compared, the hardness of cermet, intensity, tenacity, fight plasticity to be out of shape wait to all have marked improvement with function of the blade that fight collapse, especially hardness of high temperature intensity, high temperature, thermal conductivity, fight oxidisability and heatproof shake function to get rising, the affinity with steel is small, coefficient of friction is small, fight crescent moon wears away depression and fight felt ability strong, already developed the material of a kind of cutting tool that makes independent series now. The tall nitrogen content that develops in recent years, TiC(N) that has organization of even and imperceptible horniness base hard alloy is had fight abrasiveness goodly to be able to be mixed sex of the blade that fight collapse, comfortable at be in the high speed of 400m/min issues 200 ～ cutting is common steel and alloy steel, also can use at cast-iron finish machining. As a result of TiC fight felt, fight diffusible can better, wearability is so good, but fight plasticity to be out of shape ability is poorer, undertaking high speed cutting is out of shape because of the plasticity of edge constantly and cause edge damage to tall hard data. Cutting tool of coating of coating cutting tool is had very strong fight oxidisability to be able to be mixed fight felt function, have consequently good wearability and fight crescent moon to wear away depression ability. The coefficient of friction of coating is inferior, can drop the cutting force when cutting and cutting temperature effectively, can raise cutting tool durability greatly consequently. The hardness of TiC coating tall, wearability is good, apply to a likelihood to produce acuteness tatty cutting tool; TiN coating and by the affinity of cutting metal small, wetability is good, fight oxidisability strong, apply to cutting tool of incidental felt tatty; Al2O3 coating has good thermal stability below high temperature, apply to the cutting tool that a large number of heat in metal cutting produce when high speed cutting. Application is at present wider basically is the nitride that differs in Fu of the besmear on hard alloy and high-speed steel cutter hub, oxide and boride, among them alumina (nitrogen of Al2O3) , carbon changes titanium (TiCN) , nitrogen changes aluminous titanium (nitrogen of TiAlN) , carbon changes aluminous titanium (the coating such as TiAl-CN) has exceedingly good high temperature capability. WC radical, TiC(N) base the matrix that the material such as hard alloy and pottery and porcelain can regard coating as cutting tool. Coating technology development is very rapid, already was much coating from only coat development at present. The coating craft with wider application has way of deposit of chemical gas phase (CVD law) with law of deposit of physical gas phase (PVD law) . PVD law basically is used at coating of high-speed steel cutting tool; CVD law and PVD law all can be used at coating of hard alloy cutting tool. The hard alloy cutting tool of PVD law coating has better fight damaged function, comfortable at interrupted cutting, but the hard alloy cutting tool that wearability is inferior to CVD law coating. The coating material of the cutting tool of hard alloy coating that applies to high speed cutting at present basically has the TiCN+Al2O3+TiN that uses CVD method, TiCN+Al2O3, TiCN+Al2O3+HfN, TiN+Al2O3, TiCN to wait with the TiAlN/TiN compound coating that uses PVD method, TiAlN. The cutting tool of hard alloy coating that chooses different coating material is OK the cutting speed of 400m/min machines 200 ～ steel, alloy steel, stainless steel, cast-iron, alloy cast iron. The nitrogen that develops in recent years changes carbon (CNx) and other nitride (TiN/NbN, TiN/VN) coating has good thermal stability below high temperature, agree with high speed cutting. The coating number of plies of the razor blade of mill of compound coating of accept rice TiN/AlN that Japan develops in recent years amounts to 2000, every ply is 2. 5nm, cutting can undertake below high speed. Coating cutting tool is used at high speed cutting, because cutting temperature is higher, can make the combinative strength of coating and matrix is weakened, easy generation flakes, collapse is broken wait for injury. Of cutting tool of cutting of 4 high speed wear away when cutting of life high speed, should decide according to machining method and treatment requirement reasonable cutting tool wears away life (ultimate) . Cutting tool of cutting of influence high speed wears away the element of life is more, be like workpiece material and cutting tool material match, dosage of appearance of geometry of cutting means, cutting tool, cutting, cooling fluid, vibration wear away to cutting tool life has distinct effect, its affect the rule and specific cutting condition to concern, should decide through cutting experiment the element wears away to cutting tool related each the effect effect of life. Cutting of a few high speed gives out to machine example and corresponding cutting tool to wear away below life. Graph the cutting tool when treatment of cutting of high speed of cutting tool of 2 pottery and porcelain is cast-iron wears away treatment of cast-iron high speed cutting is in treatment of cast-iron high speed cutting, material of right choice cutting tool is the key that improves treatment efficiency. Apply to high speed cutting the cutting tool material of cast-iron spare parts basically has exceed fine grain hard alloy, cermet, pottery and porcelain, cubic nitrogen to change boron and coating cutting tool to wait. Cutting tool of pottery and porcelain is one of ideal cutting tool with high speed cast-iron cutting, its price is lower than PCBN cutting tool much, the cutting function with cast-iron cutting of its high speed criterion far cutting tool of excel hard alloy. The graph is shown 2 times mix for turning of cutting tool of Sialon pottery and porcelain and cutting tool of Si3N4 pottery and porcelain the cutting treatment condition when milling is common and cast-iron and wear extent of point of a knife. See by the graph, below identical cutting condition, the wear extent when turning of cutting tool of Sialon pottery and porcelain is lesser, and the wear extent when milling of cutting tool of Si3N4 pottery and porcelain is lesser. Cutting tool of pottery and porcelain of this specification Sialon applies to high speed successive cutting, and cutting tool of Si3N4 pottery and porcelain applies to high speed interrupted cutting. The plan of treatment of high speed cutting of hard steel of temper by dipping in water is shown 3 times to be in identical cutting condition falls (cutting feed 0.
1mm/r, cutting deepness 0.
2mm, cutting tool grinds blunt standard VB=0.
2mm) uses cutting tool of cutting tool of P10 hard alloy, pottery and porcelain and CBN cutting tool to process data of AISI 4340 workpiece respectively (the cutting tool wear out condition when hardness 60HRC) . See by the graph, the working life lowest of hard alloy cutting tool, because workpiece material hardness is very tall,this is, the cutting force when bringing about treatment and cutting temperature are higher, cause hard alloy cutting tool to wear away quickly, come off and even rupture damaged. The working life of cutting tool of pottery and porcelain and CBN cutting tool rise and increase of speed as cutting, begin to reduce after reaching the greatest critical value. Appear the reason of this one phenomenon may be when cutting rate increases, ply of layer of cutting tool felt increases, form a diaphragm, be helpful for reducing cutting tool to wear away, improved cutting tool life thereby; But when cutting rate rises further, cutting tool expresses facing general molten, be nodded easily by the horniness in workpiece material wear and tear is dropped, thereby aggravate cutting tool wears away, cause cutting tool life to be reduced quickly. Graph the cutting tool when cutting of 3 high speed processes hard steel of temper by dipping in water wears away the treatment of high speed cutting of nickel radical alloy chooses cutting tool of Si3N4 pottery and porcelain and cutting tool of Si3N4-TiC pottery and porcelain (parameter of cutting tool geometry is respectively - 5 ° , - 6 ° ; 5 ° , 6 ° ; 15 ° , 15 ° ; 0.
Nickel of turning of 8mm) high speed base workpiece of alloy Inconel 718 (diametical 150mm, hardness 440HV; Material chemistry composition sees) issueing a list. Cutting feed 0.
19mm/r, cutting deepness 0.
5mm, cutting speed 30 ～ 300m/min, use water base cooling fluid (cooling rate 4l/min) . Of cutting tool of Si3N4 pottery and porcelain wear away if graph 4a place is shown,configuration and wear extent are the with cutting speed relation when 50m in cutting length. See by the graph, attrib border wear extent the change of VN is relatively distinct: When cutting speed is inferior, VN is reduced along with the addition of cutting speed; When cutting speed exceeds 100m/min, VN increases along with the addition of cutting speed; When cutting speed exceeds 150m/min, VN is reduced along with the addition of cutting speed again. VB is in knife face wear extent after attrib border wear extent all is less than inside limits of whole cutting speed VN. When machining Inconel 718 with the cutting tool of Si3N4-TiC pottery and porcelain that added TiC, of cutting tool wear away the relation of configuration and wear extent and cutting speed is like graph 4b place to show. See by the graph, of cutting tool wear away configuration and wear away the rule and cutting tool of Si3N4 pottery and porcelain are very similar, but wear extent is less than cutting tool of Si3N4 pottery and porcelain. Weight of Ni of nickel of Ti of titanium of Ta of Tantalum of Si of silicon of S of sulfur of P of phosphor of Nb of niobium of Mo of molybdenum of Mn of manganese of Fe of iron of Cu of copper of Cr of chromium of cobaltic Co of C of carbon of boracic B of composition aluminous Al compares the chemical composition chemistry that expresses Inconel 718 material (%)0.
2<0.
0030.
0250.
19419.
60.
09116.
30.
0443.
523.
24<0.
001<0.
0010.
048<0.
030.
7 surplus (cutting tool of A)Si3N4 pottery and porcelain (cutting tool of B)Al2O3-TiC pottery and porcelain pursues the cutting tool wear extent when cutting tool of 4 pottery and porcelain machines Inconel 718 to cutting tool of high speed cutting, divide Lv of take an examination outside character of its static state, still should consider its trends character. Hang as cutting tool those who extend a capacity is different, the likelihood makes cutting tool system (knife handle, cutter hub, bit) frequency band stimulates natural frequency and the knife facewidth that all do not arise because of every tooth cutting brace up frequency (or its harmonic heft) consistent, produce flutter thereby, cause cutting tool acuteness wear away, produce damaged even. Cutting tool of the pottery and porcelain when the article is machined to high speed cutting, cubic nitrogen changes 5 epilogue of boracic cutting tool, diamond cutting tool, cermet cutting tool and coating cutting tool wear away configuration and wear away mechanism undertook be commentinged integratedly. When the cutting of high speed of cutting tool material of different sort processes different workpiece data, its wear away configuration and wear away mechanism also each are not identical. To affecting cutting tool of high speed cutting to wear away the element of life undertook integration analysis, research conclusion is right of cutting tool of cutting of the high speed in be being machined actually reasonable choose reach wear away control is had directive, reference and draw lessons from action. CNC Milling