Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer includes Cl together with TiB2. This surface-coated cutting tool is characterized in that assuming that in the TiB2 layer, a first region represents a region having a thickness of 0.5 ?m from an interface on the base material side, and a second region represents a region having a thickness of 0.5 ?m from an interface on the coating film surface side, an atomic ratio Cl/(Ti+Cl) between Ti and Cl is higher in the first region than in the second region.

Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating formed on the base material, the coating includes one or two or more layers, a layer among these layers that abuts on the base material is a TiN layer, the TiN layer contains at least one element together with TiN, the element has a concentration distribution in a thickness direction of the TiN layer, and the concentration distribution includes a region where the concentration of the element decreases in a direction from the base material toward a surface of the coating.

Abstract: A surface-coated cutting tool of the present invention includes a base material and a coating film formed on the base material. The coating film includes at least one TiB2 layer. The TiB2 layer has TC (100) that shows a maximum value in an orientation index TC (hkl), or has a ratio I (100)/I (101) of 1.2 or more between an X-ray diffraction intensity I (100) of a (100) plane and an X-ray diffraction intensity I (101) of a (101) plane.

Abstract: An information management apparatus may include a first collection unit that collects a measurement value measured by a measurement device connected to the information management apparatus via a network, a second collection unit that collects status information indicating statuses of the measurement device and the network, and a correction unit that correcting quality information indicating validity of the measurement value, which has been collected by the first collection unit, by using the status information that has been collected by the second collection unit.

Abstract: An information management apparatus may include a first collection unit that collects a measurement value measured by a measurement device connected to the information management apparatus via a network, a second collection unit that collects status information indicating statuses of the measurement device and the network, and a correction unit that correcting quality information indicating validity of the measurement value, which has been collected by the first collection unit, by using the status information that has been collected by the second collection unit.

Abstract: A surface-coated cutting tool includes a coating layer (108) formed on a substrate (104), wherein assuming that the average thickness of the coating layer (108) on a first surface (106) and a second surface (107) of the substrate (104) is A, a difference between the maximum and minimum thicknesses of the coating layer (108) is larger than 0.04×A. Also, a surface-coated cutting tool includes a coating layer (108) formed on a substrate (104), wherein assuming that the average thickness of the coating layer (108) on a first surface (106) of the substrate (104) is B1, and the average thickness of the coating layer (108) on a second surface (107) of the substrate (104) is B2, a value obtained by dividing an absolute difference value between B1 and B2 by a larger value of B1 and B2 is larger than 0.04.

Abstract: An indexable insert (1) includes a substrate (8) and a coating layer formed on the substrate. The coating layer includes an inner layer and an outer layer. The inner layer is constituted by a layer containing at least one element selected from the group consisting of Group IVa elements, Group Va elements, and Group VIa elements in the periodic table, and Al and Si. The uppermost layer of the inner layer in contact with the outer layer is composed of a compound at least containing Ti and at least one of nitrogen and boron. The outer layer is constituted by an alumina layer or an alumina-containing layer. In a region involved in cutting, the outer layer satisfies B/A?0.9 where A ?m is the average thickness at the flank face (3) side and B ?m is the average thickness at the rake face (2) side.

Abstract: A coated cutting insert according to the present invention includes a substrate, a base layer formed on the substrate, and an indicating layer formed on a part of the base layer. The base layer exhibits a color different from that of the indicating layer. The indicating layer is formed on the base layer, in at least a part of a surface including a cutting-edge portion and a rake face except for a flank face. When a surface relative roughness Ra of a breaker recess portion or a land portion of the rake face is set to A?m and a surface relative roughness Ra of the flank face is set to B?m, relation of B/A?1 is established.

Abstract: An indexable cutting insert (1) includes a base (8) and a coating layer, wherein the coating layer includes an inner sublayer and an outer sublayer, each of subsublayer constituting the inner sublayer is composed of a compound containing at least one element selected from the group consisting of Group IVa elements, Group Va elements, Group VIa elements in the periodic table, Al, and Si, the outer sublayer is an alumina sublayer or a sublayer containing aluminum, and in portions of the outer sublayer participating in cutting, when an average thickness on the flank face (3) side is represented by A ?m and an average thickness on the rake face (2) side is represented by B ?m, A/B?0.95.

Abstract: The present invention relates to a surface-coated cutting tool comprising a substrate and a coating formed on the substrate, the coating includes a first coating of TiCN and a second coating of ?-type Al2O3, the first coating is located between the substrate and the aforementioned second coating, and the second coating has compressive stress S1 in an area A1 spreading from an insert ridge portion in the direction of a rake face and the direction of a flank face with distances of at least 0.5 mm respectively and has tensile stress S2 in an area A2 other than this area A1, while compressive stress S1 and tensile stress S2 are defined by the following expression (I): 400 MPa?|S1?S2|?3500 Mpa ??(I).

Abstract: A coated cutting insert according to the present invention includes a base layer formed on a substrate and an indicating layer formed on a part of the base layer. The indicating layer is formed on a flank face, on the base layer on the entire surface or a part of a region A2 except for a specific region A1, and on a rake face, on the base layer on the entire surface or a part of a region B2 except for a specific region B1. In the region A1 and the region B1, the base layer is exposed at the surface, and has compressive residual stress in one or both of the region A1 and the region B1.

Abstract: The present invention relates to a coated cutting tool (1) including a substrate (8) and a coating (9) formed on the substrate (8), wherein the coating (9) includes a first coating (10) composed of TiCN and a second coating (11) composed of ?-Al2O3, the first coating (10) is positioned between the substrate (8) and the second coating (11) and has tensile stress S1, the second coating (11) has compressive stress S2, and the tensile stress S1 and the compressive stress S2 are defined by the following equation (I): 400 MPa?|S2?S1|?3500 MPa??(I).

Abstract: A surface-coated cutting tool includes a coating layer (108) formed on a substrate (104), wherein assuming that the average thickness of the coating layer (108) on a first surface (106) and a second surface (107) of the substrate (104) is A, a difference between the maximum and minimum thicknesses of the coating layer (108) is 0.04×A or less. Also, a surface-coated cutting tool includes a coating layer (108) formed on a substrate (104), wherein assuming that the average thickness of the coating layer (108) on a first surface (106) of the substrate (104) is B1, and the average thickness of the coating layer (108) on a second surface (107) of the substrate (104) is B2, a value obtained by dividing an absolute difference value between B1 and B2 by a larger value of B1 and B2 is 0.04 or less.

Abstract: A indexable insert (1) of the present invention has a structure including at least a rake face (2) and a bearing surface (5), the indexable insert (1) including a substrate and a coating layer disposed on the substrate, wherein the coating layer includes one or more layers, and at least one layer of the one or more layers covers the entire surface of the substrate and satisfies the relationship F1<F2, wherein F1 represents the residual stress in the rake face (2) and F2 represents the residual stress in the bearing surface (5).

Abstract: A surface-coated cutting tool comprising a substrate, and a coating formed thereon, characterized in that the coating includes a first coating containing TiCN and a second coating containing ?-type Al2O3, the first coating is interposed between the substrate and the second coating, and the second coating has compressive stress S1 on the rake face and tensile stress S2 on the flank face, with the compressive stress S1 and the tensile stress S2 being defined by the following expression; 441 MPa?|S1?S2|?3500 MPa.

Abstract: An indexable insert according to the present invention includes a substrate and a coating layer formed on the substrate, the coating layer is formed of a plurality of layers including at least a TiCN layer, at least one of the plurality of layers is provided with compressive residual stress, the TiCN layer is mainly composed of TiCN and has highest peak intensity in a (422) plane and second peak intensity in a (311) plane in X-ray diffraction, and a ratio of peak intensity I(422)/I(311) between peak intensity I(422) of the (422) plane and peak intensity I(311) of the (311) plane is not lower than 1.1 and not higher than 10.

Abstract: Terminal device 5 includes a designation receiving section 51 for receiving a designation of time series data, a searching section 52 for searching the time series data according to searching conditions for the designation of the time series data which has been received by the designation receiving section 51, a statistical processing section 53 for performing a statistical processing based on the time series data which has been extracted from the search by the searching section 52, and a display section 54. The display section 54 graphically displays the time series data, which has received the designation by the designation receiving section 51 and at the same time displays the results of the statistical processing by the statistical processing section 53.

Abstract: An indexable insert (1) of the present invention includes a substrate (8) and a coating layer which includes inner layer and an outer layer. The inner layer includes an alumina layer or an alumna-containing layer serving as an outermost layer in contact with the outer layer, and the outer layer is composed of at least one metal selected from the group consisting of the periodic table group IVa elements, Va elements, and VIa elements, Al, and Si or a compound of at least one of the metals and at least one element selected from the group consisting of carbon, nitrogen, oxygen, and boron. In addition, the outer layer, in a portion involved in cutting, satisfies B/A?0.9 wherein A ?m is the average thickness on the flank face (3) side, and B ?m is the average thickness on the rake face (2) side.

Abstract: An indexable insert (1) of the present invention has a structure including at least a rake face (2) and a bearing surface (5), the indexable insert (1) including a substrate and a coating layer disposed on the substrate, wherein the coating layer includes one or more layers and satisfies the relationship 0.9>R1/R2, wherein R1 represents the surface roughness Rz of the coating layer in the rake face (2), and R2 represents the surface roughness Rz of the coating layer in the bearing surface (5).

Abstract: A indexable insert (1) of the present invention has a structure including at least a rake face (2) and a bearing surface (5), the indexable insert (1) including a substrate and a coating layer disposed on the substrate, wherein the coating layer includes one or more layers, and at least one layer of the one or more layers covers the entire surface of the substrate and satisfies the relationship F1<F2, wherein F1 represents the residual stress in the rake face (2) and F2 represents the residual stress in the bearing surface (5).