Abstract: A control system 10 of a production line, containing a processing unit 20 from which a workpiece 101 processed is obtained, wherein the control system 10 has: the processing unit 20; and a control unit 11 for controlling the processing unit 20, wherein the processing unit 20 has a plurality of unitary units 30, wherein each of the plurality of unitary units 30 has a unitary unit identification code 1 to 8, wherein the control system 10 of a production line has an inspection section 40 for inspecting the workpiece 101 processed, wherein the inspection section 40 can communicate inside the control system 10 of a production line, and wherein the inspection section 40 has an evaluation section 50 in which state of the processed workpiece 101 is evaluated to obtain evaluation results; a data processing section 60 in which the evaluation results are associated with the unitary unit identification codes 1 to 8 of the processing unit 20 in which the evaluated workpiece 101 is processed; a storage section 71 i

Abstract: A method of producing a product 90 through a plurality of production steps, containing: a step of acquiring equipment data D3 of production equipment 40 for producing the product; a step of acquiring product data D1 from the product 90; a step of storing the equipment data D3 and the product data D1 in a data collection unit 70; a step of associating the equipment data D3 with the product data D1; a step of judging abnormality of the product data D1; a step responsive to abnormality occurring in the product 90 for identifying one or both of equipment abnormality data D3n and product abnormality data D1n associated with the product judged to be abnormal; and the step of identifying the production step causing the product abnormality by the step of identifying the abnormality data.

Abstract: Provided is a gadolinium wire rod including gadolinium as a main component and having a Vickers hardness (HV) 120 or less.

Abstract: Provided is a metal-covered gadolinium wire rod including: a gadolinium wire including gadolinium as a main component, as a core; and a clad layer including, as a main component, a metal other than gadolinium, the clad layer covering the periphery of the core.

Abstract: An MCM heat exchanger 10 to be used in a magnetic heat pump device 1 comprises: an assembly 11 formed by bundling wires 12; and a cover layer 13 covering the assembly 11, each of the wires 12 is composed of a magnetocaloric material having a magnetocaloric effect, and the cover layer 13 includes: a tubular portion 14 surrounding the periphery of the assembly 11; and a filling portion 15 filling a gap between the outer periphery of the assembly 11 and the tubular portion 14.

Abstract: Provided is a gadolinium wire rod including gadolinium as a main component, wherein the average particle size of a segregated phase containing fluorine atom and/or chlorine atom is 2 ?m or less. The present invention can provide a gadolinium wire rod high in strength and excellent in processability.

Abstract: Provided is an MCM heat exchanger 10 including linear bodies formed of a magnetocaloric material having a magnetocaloric effect and a case 13 filled with the linear bodies, in which each of the linear bodies is a stranded wire 12 obtained by twisting at least two wires 121.

Abstract: Provided is a heat exchanger 10 including: wires 121 formed of a magnetocaloric material having a magnetocaloric effect; and a case 13 filled with the wires 121, wherein a wire diameter of the wire 121 is smaller than 1 mm. According to the invention, it is possible to provide a heat exchanger capable of improving a heat exchange efficiency without causing an increase in size of a device.