Abstract: The present invention includes: a condition information acquisition unit (131) that acquires, for each facility (201) in a facility group (200), a plurality of pieces of condition information that indicate a condition of the corresponding facility (201); a current failure risk calculation unit (132) that calculates, for each of the facilities (201), a current facility failure risk by using a plurality of pieces of the condition information; a future failure risk estimation unit (133) that estimates, for each of the facilities (201), a future facility failure risk by using the current facility failure risk; a maintenance merit calculation unit (136) that calculates, for each of the facilities (201), a maintenance merit based on a reduction amount of a facility stop prediction time based on the future facility failure risk and based on a maintenance prediction time based on the future facility failure risk; and an optimal maintenance timing setting unit (137) that sets an optimal maintenance timing of the facil

Abstract: This heating furnace includes a housing having a pair of side walls, a workpiece support material configured to support a workpiece having a flat plate shape in a horizontal posture between the pair of side walls, a planar heater configured to heat the workpiece supported by the workpiece support material from above or below, a power feeding device configured to feed power to the planar heater, and a heater support material configured to support the planar heater in a horizontal posture.

Abstract: This workpiece transportation member includes at least one pair of support beams that each have a configuration where a placing portion configured to allow a heated workpiece to be placed is provided at an upper end portion, extend in a predetermined length direction, and are disposed at an interval in a width direction orthogonal to the length direction and a connecting portion configured to connect the at least one pair of support beams to each other at a position below the position of the upper end portion.