Method for predicting the presence of product defects during an intermediate processing step of a thin product wound in a roll, which provides for—receiving a roll of thin product that has been assigned a unique identification code stored in a database system, this latter containing process and/or product parameters detected in the production steps of said thin product wound in said roll upstream of said intermediate processing step, associated with said unique identification code,—accessing said database system,—entering one or more of the process and/or product parameters associated with the unique identification code of said roll contained in said database system in a predictive model, which uses a correlation, created by means of machine learning logics, from historicized values related to the process and/or product parameters output from said intermediate processing step and historicized values related to process and/or product parameters of the same rolls detected in the production steps of said rolls upstream of said intermediate processing step, in order to predict product parameters output from said intermediate processing step,—comparing said aforesaid product parameters with respective predefined limit values,—generating predictive diagnosis information of thin product defects based on the result of said comparison.

A method for reel changing in automatic machines including: preparing a carriage having a robotic arm including a gripped with a gripper at its free end for retaining a reel; the carriage has a support for the reel and a container for collecting cores of empty reels; positioning the reel on the support defining a predetermined position and memorised by the arm; moving the carriage forward toward a rotating shaft in a position allowing movement of the arm towards the shaft; reading a code on the shaft by a reading device on the arm; sending a signal by the reading device corresponding to the reading of the code to a processing unit with memorisation of the position of the shaft; picking up of an empty core from the rotating shaft and releasing the core in the container; picking up the reel; inserting the reel in the rotating shaft.

The method provides for detecting a temporary stop request by a machine of the line, for example to replace a member subject to wear or a consumable. In view of this stop, the speed of the line is modulated so as to increase, for example, the level of filling of an accumulator, and makes sure that the subsequent temporary stop has a minimum effect on the overall productivity of the line.

A processing line processes logs of convolutely wound web material and has upstream and downstream sections. A main accumulator has buckets that receive, hold, and release logs. An input feeder receives logs from the upstream section and conveys them to a bucket of main accumulator. A loader has a loader accumulator and loader buckets that receive, hold, and release logs. A transfer conveyor between the main accumulator and the loader receives a log from the main accumulator bucket and conveys the log a loader bucket independently of the input feeder. The loader receives a log from the transfer conveyor. The loader conveys the log in the loader bucket to a discharge of the loader. The loader discharge discharges the log from the loader bucket to the downstream section of the processing line.

Method for spatially arranging coils, the method comprising: providing electronic data about an initial storage state, which electronic data contains information about a respective initial diameter of the coils and a respective initial spatial storage position of the coils in a coil store; transporting a selected coil from an initial storage position to a processing machine for processing at least a portion of the sheet metal of the selected coil; sensing a reduced diameter of the selected coil after the portion of the sheet metal has been removed from the selected coil for processing by the processing machine; storing the reduced diameter of the selected coil; transporting the selected coil having the reduced diameter to a depositing storage position which, depending on the reduced diameter, is selected to differ from the initial storage position in a manner that saves storage space; and storing the depositing storage position.

A system for managing a paper roll includes an IC tag for long distance that is a non-contact passive type mounted on each of a plurality of paper rolls; a transmitter that transmits a radio wave toward the plurality of paper rolls; a receiver that receives a response radio wave from each of the paper rolls for the transmitted radio wave; a control device including a tag position calculation unit that calculates a three-dimensional position of the IC tag which has emitted the response radio wave, based on information regarding the received response radio wave; and a storage unit that stores three-dimensional position information of each of the plurality of paper rolls from information regarding the calculated three-dimensional position and paper information, which is specific to each of the paper rolls, as linked information.

A machine for producing disposable products anticipates when a current run of a product size is coming to an end, and therefore begins loading of material rolls intended for the next product size or code that will be run. An integrated production facility layout automatically orders and stocks raw material based on production plans, and commands a production machine to produce specific products of differing configurations, and automatically loads appropriately sized raw materials into the process.

A factory for manufacturing an absorbent article includes a building that includes an upper story and a lower story located below the upper story. The upper story and lower story include a floor, a wall provided along an entire periphery of the floor, an illumination device provided on a ceiling, and an air conditioner having an air outlet for discharging air, respectively. An opening is formed in the floor of the upper story. The upper story includes a paying-out device to which a material coil on which a nonwoven fabric is wound is attached and that pays out the nonwoven fabric. The nonwoven fabric serves as at least one type among a plurality of types of materials. The lower story includes a processing section that processes the plurality of types including the nonwoven fabric that is transported from the upper story through the opening.

A roll conveyance device includes a transportation device including a roll holding shaft extending in a predetermined direction from a distal section of an arm to hold a roll such that the roll holding shaft is inserted into a core member of the roll; and a mounting section within a moving range of the roll holding shaft, the mounting section allowing the roll to be mounted in a state in which both axial ends of the core member of roll are open. The transportation device is configured to mount the roll on the mounting section, the roll holding shaft is to be pulled out from the core member of the roll mounted on the mounting section to a first side of an axial direction of the core member, and the roll holding shaft is to be inserted into the core member from a second side of the axial direction.

The invention relates to a transfer system for transferring an item with a transfer assembly for transferring an item to a transporting carriage in a transfer area and with a transporting carriage for receiving the item from the transfer assembly in the transfer area.