A molding management system includes an information processing device, and the information processing device acquires, for each cycle, cycle data including one or more pieces of cycle-related information and first date-and-time information, and displays, in response to a received operation, a data display image displaying a list of one or more pieces of the cycle data, that are acquired, arranged in order of date and time on a display unit, each of the one or more pieces of cycle-related information includes feature value information indicating a feature value of a quantity detected for each cycle by a detection unit attached to an injection molding apparatus, and according to the feature value information of the cycle data contained in the list, the information processing device displays, in the data display image, abnormality occurrence notification information notifying that an abnormality occurs in the cycle, and indicates, in the data display image, a degree of the abnormality that occurs in the cycle.

An injection molding device includes an injection device including a cylinder, a screw, and a nozzle provided at a front end of the cylinder, for discharging molten resin as the screw advances, a mold including a molded product cavity, and a resin channel between the molded product cavity and a portion abutting the nozzle, a channel pressure measuring device for acquiring channel pressure data in the resin channel, and a determination unit that determines presence/absence of clogging of a gate of the resin channel, based on features of the channel pressure data.

A vibration sensor detects first data of a first component group and second data of a second component group. An injection molding machine performs diagnosis processing for diagnosing the first component group based on the first data in an injection mode and performs diagnosis processing for diagnosing the second component group based on the second data in a plasticization mode.