The production management device is applied to a production line for producing a board product. The production line includes a component mounter configured to mount a component on a circuit board under predetermined mounting conditions and an inspection device configured to inspect the mounting state of the component mounted on the circuit board, downstream from the component mounter. The production management device includes an information management section configured to store statistical information in which a mounting condition when a component, that is an inspection target, is mounted on a circuit board is linked to the results of multiple inspections by the inspection device.

Based on the measured values of the electrical characteristics of multiple components including a component positioned in the middle among many components held on the component tape, it is possible to more accurately estimate the electrical characteristics of the many components as compared with the case based on the measured value of the electrical characteristic of a component positioned at the leading end. Also, based on the statistically processed results of these measurement values, it is possible to appropriately evaluate the electrical characteristics of many components. Further, if the electrical characteristics of all of the components are measured, the evaluation can be performed more appropriately.

A method of determining disposition of a component supply unit including a component reel obtained by winding a component accommodating tape accommodating a component and a tape feeder that supplies the component accommodating tape drawn out from the component reel, for determining component supply unit disposition in which the component supply unit is disposed in a holding unit that holds the component supply unit, includes acquiring component supply unit information including information on the number of the component reel and constraint condition information including information related to a layout that is capable of being selected when the component supply unit is disposed in the holding unit, and determining the component supply unit disposition, based on the constraint condition information and the information on the number of the component reel.

A method for managing an assembling process of an electrical product. The electrical product at least includes a substrate with a semiconductor component mounted thereon and a power supply circuit. In the method, during assembly of the electrical product, a potential difference between two points on electric wires or signal wires electrically connected with an impedance element, which is inside the electrical product, interposed therebetween is constantly measured. Also, in the method, if a change that exceeds a predetermined threshold value, based on which electrostatic discharge noise and a normal potential range are distinguished from each other, occurs in the potential difference between the two points, measurement data on the potential difference between the two points is recorded and a mark for indicating that the electrical product was affected by electrostatic discharge is provided to the electrical product.

A computer automatic assembly system is proposed. The computer automatic assembly system includes: a database for storing information of an assembly and mounting area of a part combined to a mainboard, and program information such as information of a BIOS, a driving driver, and an operating system, and periodically updating the corresponding information through a communication part including a wired/wireless communication network; a device digestive module for checking the part through a photographing means, moving the checked part to the assembly and mounting area of the part provided on the mainboard through the photographing means and a robot arm for transfer, assembling, and mounting the part, and then writing a driving program and circuit information of the part; and an administrator terminal for periodically upgrading or updating part information necessary for the device digestive module by a part company server through a communication network including the wired/wireless communication network.

A board conveyance device and conveyance belt inspection method that enable easy detection of a problem with conveyance belts. The board conveyance device includes: endless conveyance belts on which is set a conveyance path for conveying a board; a board sensor configured to detect the presence of the board at a specified detection position on the conveyance path; and a control section configured to, in a case in which the board is not being conveyed on the conveyance path, move the conveyance belts and determine a problem with the conveyance belts based on a detection result of the board sensor.

In a board work system, the CPU of a board work device transmits error related information which relates to an error in a case where the error has occurred in the own device. Then, the CPU receives the error related information which relates to the error of the other board work device, and stores the received error related information in the HDD. Then, the display operation section is controlled such that information (other device error notification screen) based on the stored error related information is notified to the operator in a case where the power source of the board work device (other board work device), in which the error has occurred, is detected to be switched off.

A system includes feeder storage that stores feeders to be replenished to multiple component mounters and feeders removed from each component mounter, automatic exchanging device to replenish a feeder taken from the feeder storage to each component mounter and collect a feeder removed from each component mounter to the feeder storage, and feeder management section that manages whether each feeder stored in the feeder storage is a feeder to be replenished or a feeder to be collected. State display section, being provided with each feeder on an end face part on a removal direction side or an upper end face part, is configured to display a state of the feeder, and the feeder management section displays whether each feeder stored in the feeder storage is the feeder to be replenished or the feeder to be collected, on the state display section of each feeder.

An electronic component mounting system stores: manufacturing plan data for each manufacturing lot; unit management data including use permission information indicating a use permission status of an equipment unit; and inventory data indicating a stock status of the equipment units. In a unit reservation processing, new allocation processing is performed for allocating an equipment unit necessary for manufacture of a new manufacturing lot to an equipment unit for a new manufacturing lot, and an allocation result is registered. The system determines whether an equipment unit of an allocation subject in the new allocation processing can be allocated to an equipment unit for the new manufacturing lot by referring to use permission information of the equipment unit, and if the equipment unit is determined as being usable, the unit reservation processing is performed.

In a work machine which includes a working head including a lifting and lowering unit including a working device and a first lifting and lowering device which lifts and lowers the working device, and a second lifting and lowering device which lifts and lowers the lifting and lowering unit, a positional deviation (Δx, Δy) of the working device in a direction which is perpendicular to a lifting and lowering direction is eliminated. Since the positional deviation is caused by both an inclination of a lifting and lowering axis line L.sub.1 of the working device by the first lifting and lowering device and an inclination of a lifting and lowering axis line L.sub.2 of the lifting and lowering unit by the second lifting and lowering device, based on positional deviation data a target moving position is corrected.