A web processing system which includes two rollers configured to rotate at the same phase while being in contact with a web which continuously exists along a movement passage and a suppressing mechanism for suppressing a tension variation of the web between the two rollers.

A web handling system and method for controlling tension in a web of material is disclosed. For instance, the web handling system is particularly well suited for maintaining web tension within predefined setpoints during temporary interruptions in the process, such as during splicing operations. The web handling system includes an accumulator or festoon that accumulates amounts of the material as the material is being fed downstream. At least one guide roll within the festoon is coupled to a drive device, such as a motor. The system also includes at least one tension sensing device. The drive device accelerates or decelerates the guide roll based upon information obtained from the tension sensing device. In one embodiment, the system further includes an electronic gearing configuration between a roll of material being unwound and the guide roll within the festoon for better synchronization and further minimizing tension swings. The electronic gearing can include a diameter calculator for the roll of material being unwound based on speed feedback of a driven guide roll.

A recording device includes: a transport unit configured to transport a medium in a plurality of transport speed modes; a driving unit configured to drive the transport unit with a plurality of speed profiles, each corresponding to one of the plurality of transport speed modes; a current sensor configured to measure a reference current the driving unit, the reference current being a current flowing in the driving unit when the medium is transported in a loosened state; and a control configured to acquire a plurality of current profiles, each corresponding to one of the speed profiles, based on the reference current. The control unit is configured to acquire a first current profile based on the reference current when the medium is transported in a first transport speed mode, and to generate a second current profile based on the first current profile.

A conveying apparatus includes: a first roller and a second roller configured to convey a print sheet while nipping the print sheet at a nip pressure; an adjustor supporting the first roller and the second roller in a manner capable of adjusting an inter-axial distance between the first roller and the second roller, the adjustor being configured to apply a biasing force biasing the second roller toward the first roller and capable of adjusting the biasing force; and a controller configured to control the nip pressure by driving the adjustor to adjust the biasing force.

A processing system and a device manufacturing method that can perform manufacturing of an electronic device without stopping the entire manufacturing system, even when the processing state actually implemented on a sheet substrate by a processing device differs from the target processing state. A processing system for sequentially conveying a long, flexible sheet substrate along a length direction to each of a first through a third processing device to form a predetermined pattern on the sheet substrate, wherein the first through the third processing devices implement a predetermined process relating to the sheet substrate according to setting conditions set to each processing device, and when at least one from among the states of the actual processing implemented on the sheet substrate by each of the first through the third processing devices exhibits a processing error relative to a target processing state, changes other setting conditions, separate from the setting conditions exhibiting the processing error, according to the processing error.

The invention relates to a method for adapting at least one winding parameter of a winding device during winding of a film web on a winding core, having the following steps: conveying of the film web along a measuring path between a first driven roll and a second driven rollincreasing of the web tension of the film web between the first roll and the second rollcontinuous detecting of the drive parameters of the first roll and of the second roll at least in the form of the torque and the circumferential speed, determining of a stress-strain diagram from the detected drive parametersadapting of at least one winding parameter of the winding device on the basis of the determined stress-strain diagram in order to achieve a defined elongation of the film web during winding on the winding core.

A transport device includes a transport roller configured to transport a roll paper, a winding unit configured to wind the roll paper transported, a tension applying unit configured to apply tension to the medium between the transport roller and the winding unit, and a control unit configured to control the tension applying unit. The control unit is configured to control the tension applying unit to maintain a state where the tension is released, at least during an acceleration period of rotation of the transport roller within a period in which the transport roller applies a transporting force to the roll paper.

A medium feeding apparatus includes a feeding portion that performs a feeding operation, which feeds a medium to a downstream side, and a reverse feeding operation, which feeds the medium to an upstream side, and a wind-up portion that performs a wind-up operation, which winds up a medium fed to the downstream side by the feeding operation, and a unwinding operation that unwinds the wound up medium, in which the wind-up portion performs the unwinding operation prior to the reverse feeding operation.

A web handling system is disclosed. The web handling system includes first dancer rollers coupled to engage and move a web of a print medium in a forward and backward direction upon stopping a printing operation and allow forward motion during the printing operation.

A flexible material transport system for fabric and a system for continuous fabric workflow is presented. The flexible material transport system comprises a printing machine, a material web transporter connected to the printing machine, a material accumulator connected to the material web transporter, and a cutting machine connected to the material accumulator, wherein the material accumulator is configured to feed printed fabric from the material web transporter into the cutting machine, and wherein the material web transporter comprises a plurality of rollers configured to control movement of the fabric from the printing machine to the material accumulator and onto the cutting machine. The system can also comprise a heater and/or an image scanner. The system for continuous fabric workflow comprises two or more of the flexible material transport systems. Information regarding the fabric can be tracked for local or centralized reporting and additional data processing.