Abstract: A rolling mill includes a plurality of stands configured to roll a material to be rolled, wherein at least one stand, among the stands, includes: at least one pair of rolling mill rolls; a roll chock that rotatably support the rolling mill rolls; and a roll chock liner that includes a first liner plate mounted on the roll chock, a second liner plate stacked on the first liner plate in a rolling direction, and an elastic member interposed between the first liner plate and the second liner plate.

Abstract: A meandering control method for a steel sheet, the method includes: a measurement step of measuring an out-of-plane deformation amount of the steel sheet on an upstream side of a steering device that changes a conveyance direction of the steel sheet; a calculation step of calculating an average curvature of the steel sheet using the out-of-plane deformation amount of the steel sheet measured in the measurement step; and a control step of calculating an off-center amount of the steel sheet in the steering device using the average curvature of the steel sheet calculated in the calculation step, and controlling a winding position of the steel sheet relative to the steering device based on the calculated off-center amount.

Abstract: A cold-rolled steel strip manufacturing facility includes: a joining device configured to join a trailing end of a preceding steel strip and a leading end of a following steel strip to form a joined steel strip; a looper configured to store the joined steel strip; a heating device configured to heat a joint portion between the preceding steel strip and the following steel strip over an entire width direction; and a cold rolling mill configured to cold-roll the joined steel strip for which the joint portion was heated by the heating device, wherein the heating device is switchable between an output state and a non-output state, and during a period in which the joint portion passes through the heating device, is switched to the output state.

Abstract: A deflector roll, which changes a travelling direction of a metal strip being threaded, includes a roll main body that is rotatably supported by a roll frame and a sliding member that is provided on an outer surface of the roll main body. The sliding member is configured to have the metal strip wrapped thereon and to be movable along an axial direction of the roll main body while maintaining that wrapped state.

Abstract: A red phosphor excellent in optical characteristics and durability in a high-temperature and high-humidity environment and a method for producing the same are provided. The red phosphor according to the present invention includes: a Mn-activated composite fluoride represented by a general formula (1); and a perovskite compound represented by a general formula (2): L2MF6:Mn4+ (1) where L represents at least one alkali metal element selected from a group consisting of sodium, potassium, etc., and M represents at least one tetravalent element selected from a group consisting of silicon, germanium, etc.; and ABX3 (2) where A represents at least one selected from a group consisting of sodium, potassium, etc., B represents at least one element selected from a group consisting of magnesium, calcium, etc., and X represents at least one element selected from a group consisting of fluorine, chlorine, bromine, iodine, and sulfur.

Abstract: A manufacturing method of a cold-rolled steel sheet in which the method uses a transverse-type full-width heating device that heats a steel sheet over an entire area in a width direction of the steel sheet, and a cold rolling mill that rolls the steel sheet and that is arranged on a downstream side in a rolling direction with respect to the transverse-type full-width heating device, the method includes: heating the steel sheet by using the transverse-type full-width heating device in such a manner that temperatures of end portions in the width direction becomes higher than a temperature of a central portion in the width direction of the steel sheet on an entry side of the cold rolling mill.

Abstract: A manufacturing method of a cold-rolled steel sheet in which the method uses a full-width heating device that heats a steel sheet over an entire area in a width direction of the steel sheet, an edge heating device that heats end portions in the width direction of the steel sheet, and a cold rolling mill that rolls the steel sheet and that is arranged on a downstream side in a rolling direction with respect to the full-width heating device and the edge heating device, the method includes: heating the steel sheet by using the full-width heating device and the edge heating device in such a manner that temperatures of the end portions in the width direction becomes higher than a temperature of a central portion in the width direction of the steel sheet on an entry side of the cold rolling mill.

Abstract: A cold rolling mill rolling condition setting method using a prediction model being generated with an explanatory variable being first multi-dimensional data obtained by transforming past rolling performance data including pre-cold rolling data of a roll material on an entry side of the cold rolling mill into multi-dimensional data, and an objective variable being post-cold rolling data of the roll material on a delivery side of the cold rolling mill, the method includes: estimating a post-rolling shape of a roll target material by inputting, to the prediction model, second multi-dimensional data generated from information including the pre-cold rolling data of the roll target material on the entry side of the cold rolling mill and a target rolling condition of the cold rolling mill; and changing the target rolling condition of the cold rolling mill such that the estimated post-rolling shape of the roll target material satisfies a predetermined condition.

Abstract: A red phosphor that has optical characteristics and durability under high-temperature and high-humidity environments, and a method for producing the same. The red phosphor includes a Mn-activated complex fluoride represented by the following general formula (1) and bismuth: A2MF6:Mn4+??(1) wherein A represents at least one alkali metal element selected from the group consisting of lithium, sodium, potassium, rubidium and cesium, and M represents at least one tetravalent element selected from the group consisting of silicon, germanium, tin, titanium, zirconium and hafnium.

Abstract: A cold rolling mill rolling condition calculation method includes: an estimation step of estimating a rolling constraint condition with respect to a target steady rolling condition of a roll target material, by inputting second multi-dimensional data to a prediction model, the prediction model having been trained with explanatory variable and response variable, the explanatory variable being first multi-dimensional data generated based on non-steady rolling performance data, among past rolling performance in rolling a roll material by a cold rolling mill, and the response variable being steady rolling performance data and rolling constraint condition data during steady rolling, and the second multi-dimensional data having been generated based on non-steady rolling performance data of the roll target material; and a change step of changing the target steady rolling condition so that the estimated rolling constraint condition satisfies a predetermined condition.

Abstract: A method of detecting chattering in a cold rolling mill, the method includes: a step of predicting occurrence of chattering during rolling of a material to be rolled, by inputting second multidimensional data to a prediction model, the second multidimensional data having been generated based on condition data corresponding to array data related to the material to be rolled, and the prediction model having been trained with an explanatory variable and an objective variable, the explanatory variable being first multidimensional data generated based on one-dimensional array data representing a past rolling record of rolling of rolled materials by means of a cold rolling mill, and the objective variable being a past record of occurrence of chattering corresponding to the past rolling record.

Abstract: A cold rolling facility includes: a cold tandem mill including rolling stands; and a rolling supply system including a first rolling oil supply system configured to supply first emulsion rolling oil, and a second rolling oil supply system configured to supply second emulsion rolling oil, wherein mixed rolling oil obtained by mixing the first and the second emulsion rolling oil is supplied at least to a specific rolling stand among the rolling stands in such a manner as to satisfy the following formula (1), 0.6?F2/F1?1.4 (1), where F1 denotes first horizontal force acting in a rolling direction on a roll included in the specific rolling stand, and F2 denotes second horizontal force acting in a rolling direction on a roll included in an upstream side rolling stand arranged on an upstream side of the specific rolling stand and neighboring with the specific rolling stand.

Abstract: Provided is a method of manufacturing a grain-oriented electrical steel sheet that has a uniform texture all along the longitudinal direction and has small fluctuations in magnetic properties. The method includes subjecting a predetermined hot-rolled and annealed sheet to cold rolling, where at least one time of cold rolling has a total rolling reduction of 80 % or more and is performed by a tandem mill, rolling performed in at least one stand of the tandem mill is performed under conditions of a rolling reduction of 30 % or more and a biting temperature To °C of a work roll of the stand, and a temperature at which either or both of a leading end and a tail end of the hot-rolled and annealed sheet are bitten by the work roll is 70° C. or higher and at least 10° C. higher than the temperature To °C.

Abstract: A cold-rolled steel strip manufacturing facility includes: a joining device configured to join a trailing end of a preceding steel strip and a leading end of a following steel strip to form a joined steel strip; a looper configured to store the joined steel strip; a heating device configured to heat a joint portion between the preceding steel strip and the following steel strip over an entire width direction; and a cold rolling mill configured to cold-roll the joined steel strip for which the joint portion was heated by the heating device, wherein the heating device is switchable between an output state and a non-output state, and during a period in which the joint portion passes through the heating device, is switched to the output state.

Abstract: A red phosphor that has optical characteristics and durability under high-temperature and high-humidity environments, and a method for producing the same. The red phosphor includes a Mn-activated complex fluoride represented by the following general formula (1) and bismuth: A2MF6:Mn4+??(1) wherein A represents at least one alkali metal element selected from the group consisting of lithium, sodium, potassium, rubidium and cesium, and M represents at least one tetravalent element selected from the group consisting of silicon, germanium, tin, titanium, zirconium and hafnium.

Abstract: A vehicle information conveying device includes at least one ornamental surface member and at least one ornamental surface deformation unit. The ornamental surface member is elastic and deformable. The ornamental surface member includes an ornamental surface designed to be viewed by a user of a vehicle. The ornamental surface deformation unit is configured to drive the ornamental surface member and deform the ornamental surface when information that is to be conveyed to the user is present.

Abstract: A vehicle head lamp comprising a first low beam member including a first light source part; a second low beam member including a second light source part, wherein the first low beam member and the second low beam member are arranged in a vertical direction and are both reflective type; a first frame including a partition, the first frame supporting the first low beam member and the second low beam member, and the partition separating the first low beam member and the second low beam member; and a storage provided in a rear side of the partition, the storage accommodating the first and the second light source parts.

Abstract: A wheel for vehicle includes a wheel body, a decorated member, and a visible space. The wheel body has a rim, a hub, and a plurality of spokes connecting the hub and the rim. The decorated member is made from resin, is disposed on a surface of at least one of the spokes, and is retained to the wheel body. The visible space is disposed between the decorated member and the one of the spokes at least, exhibits a height in an axial direction of the wheel body, and is visible from an axial outer side of the wheel body.

Abstract: A lighting device for a vehicle includes: a light source; a light guide member that has a light-introducing part provided in a back surface side through which the light of the light source is introduced and finally emits the light from a front surface side; a part near the light-introducing part being thicker than an edge part of the light guide member, a plurality of reflecting parts and connecting parts being alternately formed continuously toward a direction separate from the light-introducing part in the back surface side, the reflecting parts respectively reflecting on interfaces the introduced light reaching there to form the light in the direction of the front surface of the light guide member; and a housing that is connected to a position between the edge part of the back surface of the light guide member and the light-introducing part and attached to the back surface side of the light guide member to house the light source.

Abstract: The degree of freedom in design is increased while maintaining strength by enabling a decorative member to be disposed without thinning a wheel main body. A wheel is made up of a wheel main body 1 which is made up of a rim portion 10 and a disc portion 11 and which has a vent hole 141 in the disc portion 11 and a decorative member 2 made from a resin which is held in at least the disc portion 11 and is observed from the vent hole 141. Since the decorative member 2 is observed in the vent hole 141, the wheel main body 1 including spoke portions 14 does not have to be thinned. In addition, since the design of the decorative member is observed in cooperation with the design of the disc portion 11, the degree of freedom in design is increased.