WO2004096473A1 - 高速加工工具 - Google Patents
高速加工工具 Download PDFInfo
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- WO2004096473A1 WO2004096473A1 PCT/JP2004/006142 JP2004006142W WO2004096473A1 WO 2004096473 A1 WO2004096473 A1 WO 2004096473A1 JP 2004006142 W JP2004006142 W JP 2004006142W WO 2004096473 A1 WO2004096473 A1 WO 2004096473A1
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- tool
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- lubricating film
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/48—Ion implantation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2224/00—Materials of tools or workpieces composed of a compound including a metal
- B23B2224/32—Titanium carbide nitride (TiCN)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
- B23B2228/10—Coatings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
Definitions
- the present invention relates to a part which has excellent wear resistance, lubricity, and fracture resistance and can be used for high-speed machining.
- the present invention also relates to a machining tool including the component, a high-speed machining method using the tool, and particularly to a dry cutting method.
- high-speed cutting is also required in the field of cutting.
- the scope of high-speed cutting is also expanding, and application to hardened materials such as hot forging dies and die-casting dies after heat treatment and hardening is also required. .
- cutting oil is used for the purpose of promoting lubrication and cooling the cutting edge, and cutting oil is particularly required for high-speed cutting.
- cutting oil is used, the working environment will be degraded due to the generation of unpleasant odors, dirt, and oily smoke, etc. Not only will the waste oil treatment cause environmental pollution problems, but tool corrosion may also occur. Therefore, dry cutting that does not use cutting oil is desired.
- the cutting speed of steel at present is often 150 to 200 m / min at most even when cutting oil is used, and is less than 100 Zmin in dry cutting. Often. Therefore, dry cutting at high speeds is difficult. Disclosure of the invention
- the present invention has been made in view of the above circumstances, and has been improved in wear resistance, chipping resistance, lubricity, cutting resistance, and heat resistance in a high-speed range, and particularly a high-speed cutting tool.
- the purpose is to provide. It is a further object of the present invention to provide a high-speed machining method using the processing component of the present invention, particularly a high-speed dry cutting method.
- a halogen element is added to the surface layer of a processing part and the workpiece is brought into contact at a high speed, abrasion resistance and lubricity are reduced due to the oxidation promoting effect of the octylogen element.
- the inventors have found that the characteristics have been improved, and have completed the present invention.
- ADVANTAGE OF THE INVENTION According to this invention, a workpiece
- the use of the processing tool of the present invention enables high-speed processing without using lubricating oil due to its excellent lubricity.
- the advantage of the present invention as described above is that a self-lubricating layer containing a Ti oxide phase and a Z or Ti-containing composite oxide phase (where the valence of Ti is more than divalent and less than tetravalent) is provided. It is considered to be caused by this. Then, the self-lubricating film is used in a machining process in a high-speed range. It is also unique in that it can be generated and regenerated in a process.
- the gist of the present invention is that a hard material is used as a base material and the concentration of at least one element selected from the group consisting of fluorine, chlorine, bromine, and iodine is within 0.2 m within 1 m from the base material surface.
- a hard material is used as a base material and the concentration of at least one element selected from the group consisting of fluorine, chlorine, bromine, and iodine is within 0.2 m within 1 m from the base material surface.
- the concentration of one element is in the range of 0.2mo 1% to 1 Omo 1%.
- At least one element selected from the group consisting of fluorine, chlorine, bromine, and iodine can be added by ion implantation.
- the processing part of the present invention is brought into contact with the workpiece at a speed of 15 OmZ or more, whereby a high-speed processing part can be manufactured.
- the gist of the present invention also resides in the above-described high-speed machining component which has been subjected to a process of bringing a workpiece into contact with the workpiece at a speed of 15 OmZ or more.
- the gist of the present invention also resides in the above-described high-speed machining component further having a self-lubricating film on a surface in contact with a workpiece.
- the self-lubricating film is generated by contacting the workpiece at a speed of 15 OmZ or more.
- a work material used for forming the self-lubricating film a material containing Ti in the surface layer can be cited.
- the self-lubricating film contains a Ti oxide and / or a Ti-containing composite oxide, and the average valence of Ti in the oxide and Z or the composite acid active material is more than 2 valences and less than 4 valences, when converted to the amount of T i in the self-lubricating film T i O 2, a weight ratio expressed by (converted Ti0 2 by weight by weight of the self-lubricating film) of 5% or more.
- the gist of the present invention also resides in a high-speed processing method using the above-described processing component. It also exists in high-speed cutting tools including the above-mentioned machining parts.
- the wear width V B of the tool flank after cutting under the conditions of a cutting depth of 1. Omm, a feed of 0.1 mmV, a cutting speed of 40 OmZm in, and a cutting distance of 50 Om. Can be less than or equal to 70.
- cutting can be performed at a cutting speed of 15 Om or more without using cutting oil.
- BRIEF DESCRIPTION OF THE FIGURES Figure 1 shows a model diagram of the cutting process.
- FIG. 2 shows the cutting speed dependence of the cutting force resultant force for the ion-implanted P10 tool, the Tin coated P10 tool, and the untreated P30 tool.
- FIG. 3 shows the cutting speed dependence of the feed force for the ion implanted P10 tool, the Tin coated P10 tool, and the untreated P30 tool.
- Figure 4 shows the cutting speed dependence of the coefficient of friction for the ion implanted P10 tool.
- FIG. 5 shows the results of the wear test of the ion-implanted P10 tool.
- FIG. 6 shows the results of cross-sectional observation of the ion-implanted P10 tool used for cutting Ti deoxidized steel.
- FIG. 7 shows the results of elemental analysis by XMA on the cross section of the ion-implanted P10 tool used for cutting Ti deoxidized steel.
- Figure 8 shows the XPS results measured on the surfaces of the TiN coated tool (upper) and the ion implanted Tin coating tool (lower) after cutting.
- Figure 9 shows the results of field-limited electron diffraction performed at four points on the ion-implanted TiN-coated tool surface after cutting.
- FIG. 10 shows the results of cutting tests performed on a TiCN coated tool subjected to ion implantation and a TiCN coated tool not subjected to ion implantation.
- Figure 11 shows the tool flank wear width after cutting using a TiCN coated tool with ion implantation.
- the cutting speed was 500 OmZmin and the cutting distance was 500 m or 1000 m.
- FIG. 12 is a cross-sectional view of the flank wear state after cutting under the conditions of FIG. Figure 13 shows the results of observing the flank face and the tool cross section (insert) after a cutting test was performed using Ti deoxidized steel as the work material for the ion implanted TiCN coated tool.
- the flank was observed with a laser microscope, and the cross section of the tool was observed with an optical microscope.
- the upper part of the inset corresponds to the area of 26 mm in length x 60 mm in width, and the lower part corresponds to 80 ⁇ mx mx 100 m in width.
- Figure 14 shows the results of observing the flank face and the tool cross section (insert) after a cutting test was performed on a TiCN coating tool without ion implantation using A1 deoxidized steel as the work material. Show. Observe the flank with a laser microscope and observe the tool section with an optical microscope. Performed with a microscope. The upper part of the inset corresponds to a 26 mm x 60 mm area, and the lower part corresponds to 80 im x 100 m wide.
- the base material of the component for high-speed processing according to the present invention can be appropriately selected according to the material and the processed shape of the workpiece, and is preferably a hard material.
- Hard materials include super-hard tool materials, ceramics, and ultra-high-pressure sinters specified in JIS B 4053, and refer to sintered materials that are harder than metal materials produced by the melting method.
- alloy tool steel, carbon steel, high-speed tool steel, powder high-speed tool steel, cemented carbide, cermet, ceramics, forging die steel, hot die steel, cold die steel, bearing steel, stainless steel, Heat resistant steel, aluminum and its alloys, titanium and its alloys, molybdenum and its alloys, tungsten and its alloys can be used.
- the base material may or may not be coated.
- a high-hardness material such as a material containing Ti and C and / or N is preferable.
- Ti C, Ti N, Ti CN, and Ti A 1 CN are exemplified.
- a part of Ti may be replaced with another metal element.
- a plurality of coating layers may be laminated.
- the base material is not coated, it is selected from the group consisting of fluorine, chlorine, bromine, and iodine within 10 m, preferably within 5 m, more preferably within 1 zxm of the surface of the base material. At least one element is added.
- the base material it is selected from the group consisting of fluorine, chlorine, bromine, and iodine in the surface layer within 10 m, preferably within 5 m, more preferably within 1 m from the surface of the coating layer.
- At least one element is added.
- the above elements may extend not only to the coating layer but also to the base material. If the region where the above element is present is too thin, the durability is deteriorated, and if it is too thick, the step of implanting the element becomes complicated.
- the concentration of fluorine, chlorine, bromine, and iodine is 0.2 mol 1% or more, preferably 0.5 mol% or more, more preferably lmo 1% or more, and 20 mol% or less, Preferably it is 1 Omo 1% or less, more preferably 8mo 1% or less. If the concentration is too low, it is difficult to improve the lubricity. If the concentration is too high, the crystal structure of the base material and the Z or coating layer may be damaged.
- the concentration of the element within x ⁇ m refers to the range of depth 0—X m when the distribution of the element concentration in the depth direction is measured by XPS and the element concentration is plotted against the depth. Means the maximum element concentration in
- Examples of a method for adding fluorine, chlorine, bromine, and iodine include an ion implantation method.
- Various known devices and conditions can be used for ion implantation.
- the surface concentration and energy of ion implantation can be selected depending on the base material and the Z or coating layer so as to satisfy the above surface concentration. it can.
- the surface concentration is 1 x 1 0 15 i on sZcm 2 or more, preferably 1 x 10 16 ions Zcm 2 or more, 1 x 10 18 ions / cm 2 or less, preferably 5 x 10 17 ions Zcm 2 below is there.
- the acceleration energy can be 20 keV or more, preferably 30 keV or more, 500 keV or less, preferably 200 keV or less.
- the base material may further contain Ti.
- the form of Ti is not particularly limited, and examples thereof include titanium carbide, metal Ti, titanium oxide, and titanium nitride. It is sufficient that these Ti compounds exist at least in the surface layer of the base material, and there is no particular limitation on the Ti concentration as long as the characteristics of the base material are not affected.
- the base material when it is a cemented carbide, it can be at least 0.2 mol%, preferably at least 1 Omo 1%, at most 3 Omo 1%, preferably at most 15 mol%.
- the base material preferably contains Ti, 20 m from the base material surface, preferably 10 zm, and more preferably 1 m.
- Ti can be present at the above concentration. If the Ti concentration is too low, properties such as wear resistance, lubricity, and fracture resistance may not be sufficiently improved. If the Ti concentration is too high, properties such as hardness and strength of the base material may be impaired. is there.
- Ti may be supplied from the outside by any method when a work material containing Ti is used.
- the Ti concentration in the surface layer of ym from the surface Means the average Ti concentration in the area within ym from the surface.
- the Ti concentration is 0.2mo 1% or more, preferably 1.0mol% or more. Yes, 80 mol% or less, preferably 60 mol% or less, more preferably 3 Omo 1% or less, and still more preferably 15 mol 1% or less.
- the region where Ti exists at the above concentration may be the Ti-containing coating layer.
- Abrasion resistance, chipping resistance, and lubricity are achieved by surface treatment in which a processing component containing one or more elements selected from the group consisting of fluorine, chlorine, bromine, and iodine is brought into contact with a workpiece at a high speed. And properties such as heat resistance can be improved.
- “high speed” means that the relative speed between the processing component and the workpiece is at least 15 OmZ minutes, preferably at least 200 m / min, more preferably at least 25 OmZ minutes. There is no upper limit on the relative speed, but if it is less than 100 Om / min, the durability of the machined parts is maintained. This high-speed surface treatment can be performed without lubricating oil.
- the processing component does not have a Ti-containing coating layer, and the base material is substantially free of Ti and is used for a work piece that does not contain power Ti, the processing component contains Ti. It is preferable to improve the lubricating property by previously bringing the workpiece into high-speed contact (hereinafter, this processing is referred to as “preliminary high-speed processing”).
- preliminary high-speed processing When the base material contains Ti, lubricity can be improved during the machining process without performing high-speed preparatory processing. However, by performing the preliminary high-speed treatment, not only excellent characteristics can be obtained immediately after the start of use, but also characteristics such as lubricity can be optimized.
- lubrication can be improved during the processing process without preliminary high-speed processing.
- the preliminary high-speed treatment not only excellent characteristics can be obtained immediately after the start of use, but also characteristics such as lubricity can be optimized.
- the material to be processed there is no particular limitation on the material to be processed, but when it is a Ti-containing material such as Ti deoxidized steel, it is advantageous in improving lubricity. In particular, when Ti is present on the surface layer of the workpiece, it is advantageous in imparting lubricity in preliminary high-speed processing and maintaining lubricity in the processing process. If after lubrication is applied to the part to be machined, if the contact surface with the work material wears and the lubricity decreases, the lubrication should be imparted again by contacting the Ti-containing work material at high speed again. You can also. From the viewpoint of supplying Ti to the interfacial reaction, it is preferable that the Ti-containing work material contains Ti at least in the surface layer.
- the self-lubricating film formed on the surface where the processing component comes into contact with the workpiece is contributing.
- the self-lubricating film refers to a wet periosteum generated by a reaction derived from the processing component itself, not a coating layer (for example, a Ti-containing coating layer) applied from the outside before being used for processing.
- a coating layer for example, a Ti-containing coating layer
- the lubricating film generated in such a process has the advantage that it can be re-formed at any time even if abrasion occurs and exhibits stable performance. Further, the step of forming the coating layer can be omitted, and the adhesion between the protective layer and the base material can be enhanced. In addition, the self-lubricating film can suppress the work material from depositing on the surface of the processing component.
- the thickness of the self-lubricating film is not particularly limited as long as the effects of the present invention are achieved, but is, for example, 0.05 or more and 10 _im or less.
- the component of the self-lubricating film is not particularly limited as long as it imparts abrasion resistance, lubricity, and the like. However, when the self-lubricating film can be sheared in accordance with the applied surface pressure, lubricity is improved. It is preferable because it is possible.
- Such components for example T I_ ⁇ x (l ⁇ x ⁇ 2) T i oxide represented by a variety of Mo oxide, W oxide, and Nb oxide are exemplified up.
- T i oxide phase T i (n: an integer) represented by the Magneli phase.
- a composite oxide containing at least one element selected from the group consisting of Ti, Mo, W, and Nb is also included.
- the composite oxide may contain S i and / or Mn, may be, for example MnT i 0 3.
- the self-lubricating film may contain only one type of the above phases, or may contain a plurality of types.
- the Ti of the self-lubricating film may be supplied from the processing component of the present invention or may be supplied from the work material. If the processing part has a coating layer, Ti If the processing part does not have a coating layer, Ti can be supplied from the base material.
- the average valence of T i may be more than divalent and less than tetravalent.
- the weight obtained by converting the amount of Ti in the self-lubricating film to Ti 0 2 (hereinafter referred to as the converted Ti 0 2 weight) is the self-lubricating weight. Percentage in the lubricating film:
- T i containing coating layer in terms of T i 0 2 weight ratio of 10% or more, preferably 20% or more, more preferably may be 40% or more.
- Convert T I_ ⁇ 2 wt self-lubricating film particularly limited nag the upper limit of the may be constituted only by T i compound. However, due to contamination or the like of the component derived from the work material, in terms of T i 0 2 weight percentage 90% or less, for example, often 80% or less.
- Example 3 the value obtained as in Example 3 is used for the weight of the self-lubricating film. That, W in XPS, was measured for S i, Mn, A 1, and T i, respectively WC, S I_ ⁇ 2, MnO, A 1 2 0 3, and T i 0 2 thereof assuming present as Calculate the sum of the weights of the self-lubricating films.
- T I_ ⁇ 2 wt, T i of all hand refers to the weight of T i 0 2 assuming that exists as T i 0 2.
- the mechanism by which a self-lubricating film is formed by friction at high speed is not always clear, but, for example, under an environment where a high pressure load is applied to the surface of the base material, the halogen element in the base material becomes a monovalent negative electrode. It is considered that Ti is oxidized as it is reduced to ions, and the above-mentioned Ti intermediate oxide layer is formed.
- high-speed processing refers to processing in which the relative speed between the workpiece and the workpiece is 150 m / min or more, preferably 20 Om / min or more, and more preferably 25 Om / min or more.
- dry machining for example, dry cutting
- lubricating oil By using the machined part of the present invention, dry machining (for example, dry cutting) can be performed without using lubricating oil.
- the component for high-speed processing of the present invention can be used for any device as long as it is a portion that generates friction when it comes into contact with a workpiece at high speed.
- cutting tools such as drills, milling cutters, shaving cutters, hobs, end mills, hot and cold forging dies And various kinds of molds and sliding parts.
- durability can be improved and longer life can be achieved, and machining accuracy can be improved.
- a self-lubricating film is formed on the flank of the tool, so that wear is suppressed. Replacement or regrinding of the cutting tool is typically would be done when the flank wear width V B of the tool reaches two hundred to three 00 im, V B is a good indicator of the degree of wear.
- the wear width when performing dry cutting under the conditions of a cutting depth of 1.0 mm, a feed of 0.1 mm / rev, a cutting speed of 40 Om / min, and a cutting distance of 50 Om is 7 Ozm or less. However, it can be preferably 6 O ⁇ m or less. Further, with respect to the wear width V B xm after performing dry cutting under the conditions of a cutting speed Vm / min and a cutting distance of 50 Om, the tool of the present invention
- V is 10 Om / min or more and 50 Om / min or less, and V B0 is 30 m
- the work materials used in the examples are A1 deoxidized steel and Ti deoxidized steel. These steels are produced by melting a steel of S 45 C composition with a 100 kg induction furnace, deoxidizing with Ti and A1 when dispensing into 50 kg ingots, and hot rolling the ingots. It was created by normalizing to 75 mm in diameter.
- the chemical composition is as shown in Table 1. It can be seen that when Ti is used for the deoxidation treatment, the Ti concentration in the steel increases.
- Table 1 Chemical analysis values of work material (mass S %) Steel type name C Si Mn PS Cu Ni Cr Mo S-AI TN Ti O
- AI deoxidation 0.45 0.35 0.80 0.003 001 01 01 ⁇ .01 g 01 0.021 0.0006 0.0005 0.0006 Steel
- T i CN-A 1 2 ⁇ 3 Multi-layer coating in the order of T i N, manufactured by Mitsubishi Materials Corporation, Shape: equivalent to P10 tool, model number: UE 6005), and T i CN coating Performed P10 class equivalent tool (P10 class equivalent tool product with alternately deposited ultra thin film of TiC and TiN, manufactured by Sumitomo Electric Industries, Ltd., shape: TNUN331, model number:
- Ion implantation was performed using chlorine in K29 J). The conditions for ion implantation are all 1
- the T i concentration of the uncoated P10 equivalent tool was 23 mo 1%, and the surface T i concentration of the coated tool was 5 Orno 1%.
- the coating film thickness was 1 to 5 m.
- Figure 1 shows the force applied to the tool during cutting and the formation of a self-lubricating film.
- Fig. 2 shows the cutting speed dependency of the resultant cutting force (R). All tools have a maximum value in the medium speed range (40 to 10 Om / min) and decrease as the speed increases, but the ion injection tool showed a characteristic behavior in the high speed range.
- the ion implanted tool has a greater cutting force resultant force than the TiN coated tool, and that the rate of increase in the resistance force force with increasing speed is greater.
- the ion implantation tool showed lower R.
- the ion injection tool provides higher lubricity. For example, at 30 Om / min, the value of R for the ion implanted tool was reduced by 12% from that of the Tin coating tool.
- the tool geometrically calculated from the main component force (Fc) and the feed component force (Fs) the friction coefficient of the chip contact surface; showed that.
- the coefficient of friction at 30 OmZmin the value of the ion implantation tool was reduced by 10% compared to the TiN coating tool, indicating excellent wear resistance.
- the coefficient of friction decreased by about 10% at a cutting speed of 50mZmin or more.
- tool-one cutting The coefficient of friction of the contact surface can also be reduced.
- Example 3 Analysis of self-lubricating film of ion-implanted uncoated tool
- the generated self-lubricating film was observed with an optical microscope. 6). As a result, it was observed that a film was formed on the contact surface with the work material.
- the film composition was measured by XAM (FIG. 7). As shown in FIG. 7, it can be seen that Ti-Mn-Si composite oxide is generated near the contact surface with the workpiece.
- W, S i., Mn , A and and T i is the Actual WC, S i 0 2, Mn_ ⁇ , that will exist in different forms and A 1 2 ⁇ 3, and T i 0 2 .
- Notation (aS i 0 2 -bMnO- cT i 0 2) in the FIG. 7 shows that the molar ratio of S i / Mn / T i is a schematic AZB / c.
- Fig. 8 After cutting using the ion-implanted Tin coating tool in the same manner as in Example 1, elemental analysis was performed on the self-lubricating film by XPS (Fig. 8), and the crystal structure was limited-area electron diffraction (SAED). (Fig. 9).
- Fig. 8 also shows the results of the Tin coated tool without ion implantation for comparison.
- the upper and lower spectra in Fig. 9 are measured with the same analyzer and under the same conditions, and the absolute intensities of the peaks can be compared in both cases. Comparing the intensities of the peaks derived from Ti, it can be seen that the tool with ion implantation has a higher surface Ti concentration than the tool without ion implantation.
- FIG. 8 shows the assignment of only the peaks of Ti 0 2 and Ti N, but the Ti oxide and the Ti or the complex oxide phase whose Ti valence is more than divalent and less than tetravalent are shown in FIG. peaks, Ru is estimated that the peak of the T I_ ⁇ 2 has become a low binding energy side shoulder. The existence of these Ti oxide phases is supported by the electron diffraction in FIG.
- FIG. 9 also shows the phases identified from the diffraction pattern. It can be seen that a Ti oxide phase (including a Magneli phase) in which the valence of Ti is greater than divalent and less than tetravalent is formed. The results in FIG. 9 indicate that a self-lubricating film containing a Ti oxide phase was formed.
- the ion implantation tool of the present invention enables cutting even at a cutting speed of 50 Om / min, and suppresses wear.
- the increase in wear width is slow even at a cutting speed of 30 Om / min or more, and 50 Om at a high cutting speed of 50 Om / min.
- V B after cutting stays at 57 / zm.
- V B The relationship between the cutting distance tool wear width V B of the cutting speed 50 Om / mi n shown in FIG. 1 1.
- V B is increased substantially in proportion to the increase in cutting distance.
- T i deoxidized steel cutting distance it can be seen that an increase in V B exceeds 50 Om slowdown.
- the value at T i deoxidized steel is only 1/6 of the values at A 1-deoxidized steel.
- the cause of such a difference is the difference in the properties of the self-lubricating film formed on the flank of the tool.
- the self-lubricating film corresponds to a region denoted by Be1ag in FIG. If a Ti-containing material such as Ti deoxidized steel is used as the work material, a self-lubricating film containing a Ti-containing oxide phase is formed, effectively protecting the tool flank from abrasion of the machined surface. Guessed.
- the surface of the flank was observed with a laser microscope, and the cross section of the tool was observed with an optical microscope.
- Fig. 13 shows the results of a laser-microscope (scanning laser microscope) after performing the above test on the ion-implanted Ti CN-coated P10 tool using Ti deoxidized steel as a work material and a cutting distance of 50 Om. LM21W, manufactured by Lasertec, Inc. and an optical microscope.
- the slopes on the flank reflect the self-lubricating film formed during cutting. It is thought that the dark region observed in the cross section corresponds to the self-lubricating film.
- Figure 14 shows the TiCN Coating P10 tool without ion implantation.
- the results obtained by performing the above test under the condition of using A1 deoxidized steel as a work material and setting a cutting distance of 50 Om, and then observing the laser microscope and the optical microscope are shown.
- FIG. 14 unlike FIG. 13, no clear self-lubricating film is formed.
- the halogen element is ion-implanted into the base material and the Z or Ti-containing coating layer, which are hard materials, and furthermore, the material is brought into contact with the workpiece at a high speed, so that the abrasion resistance and lubricity are excellent.
- High-speed machining parts can be obtained. Dry high-speed cutting can be performed by a cutting tool using the component.
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JP2005505929A JPWO2004096473A1 (ja) | 2003-04-28 | 2004-04-28 | 高速加工工具 |
US10/554,630 US20070054146A1 (en) | 2003-04-28 | 2004-04-28 | High-speed machining tool |
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CN102764970A (zh) * | 2011-05-05 | 2012-11-07 | 罗伯特·博世有限公司 | 用于制造硬质合金工件的方法 |
WO2020241533A1 (ja) | 2019-05-29 | 2020-12-03 | 京セラ株式会社 | 被覆工具および切削工具 |
Families Citing this family (2)
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DE102015208743A1 (de) * | 2015-05-12 | 2016-11-17 | Gühring KG | Spanabhebendes Werkzeug |
US11389879B2 (en) * | 2018-04-12 | 2022-07-19 | Mcmaster University | Ultra soft cutting tool coatings and coating method |
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US4169913A (en) * | 1978-03-01 | 1979-10-02 | Sumitomo Electric Industries, Ltd. | Coated tool steel and machining tool formed therefrom |
US5038645A (en) * | 1990-06-18 | 1991-08-13 | General Electric Company | Wear resistant cutting tools and shaping method |
US5915162A (en) * | 1993-05-31 | 1999-06-22 | Sumitomo Electric Industries, Ltd. | Coated cutting tool and a process for the production of the same |
US5859235A (en) * | 1994-07-11 | 1999-01-12 | Abbott Laboratories | Dipteran-active uracil derivative |
EP0786536B1 (en) * | 1996-01-24 | 2003-05-07 | Mitsubishi Materials Corporation | Coated cutting tool |
JPH10310494A (ja) * | 1996-05-31 | 1998-11-24 | Ngk Spark Plug Co Ltd | ダイヤモンド被覆膜付き超硬部材の製造方法 |
SE9603721L (sv) * | 1996-10-10 | 1998-04-11 | Sandvik Ab | Efterbehandlad diamantbelagd kropp |
US6214247B1 (en) * | 1998-06-10 | 2001-04-10 | Tdy Industries, Inc. | Substrate treatment method |
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2004
- 2004-04-28 WO PCT/JP2004/006142 patent/WO2004096473A1/ja active Application Filing
- 2004-04-28 US US10/554,630 patent/US20070054146A1/en not_active Abandoned
- 2004-04-28 JP JP2005505929A patent/JPWO2004096473A1/ja active Pending
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JPH06184574A (ja) * | 1992-12-21 | 1994-07-05 | Daikin Ind Ltd | 摺動部材およびその製造方法 |
JPH0726386A (ja) * | 1993-02-16 | 1995-01-27 | Kobe Steel Ltd | 耐酸化性および耐摩耗性に優れた硬質皮膜 |
JPH07331410A (ja) * | 1994-06-02 | 1995-12-19 | Kobe Steel Ltd | 耐酸化性および耐摩耗性に優れた硬質皮膜 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102764970A (zh) * | 2011-05-05 | 2012-11-07 | 罗伯特·博世有限公司 | 用于制造硬质合金工件的方法 |
WO2020241533A1 (ja) | 2019-05-29 | 2020-12-03 | 京セラ株式会社 | 被覆工具および切削工具 |
KR20210146401A (ko) | 2019-05-29 | 2021-12-03 | 교세라 가부시키가이샤 | 피복 공구 및 절삭 공구 |
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US20070054146A1 (en) | 2007-03-08 |
JPWO2004096473A1 (ja) | 2006-07-13 |
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