摘要:
The present invention relates to a method for operating a printing press (2), with which a control for register and a control for at least one printing press module of the printing press (2) are carried out jointly by an automation device (36). The present invention also relates to an automation device (36) that is designed to interact with a printing press (2), and in which functionalities for controlling at least one printing press module and for register control are integrated.
摘要:
The present invention relates to a method for regulating a web tension and/or a register of a processing machine used to process a material web (101), in particular a shaftless printing press (100), the material web (101) being processed in at least one processing unit (111-114, 121-124, 131-134); the elasticity module of the material comprising the material web (101) is changed by moisture entering the material comprising the material web, and/or by moisture leaving the material comprising the material web (101), a quantity that represents the addition of moisture to the material comprising the material web (101) and/or the loss of moisture from the material comprising the material web (101) being taken into account in the regulation.
摘要:
A method for controlling a printing operation includes detecting at least one position and/or an extent of a register mark located on a printing material by means of a register mark sensor, and using the detected at least one position and/or the extent of the register mark for register control. The method further includes acquiring at least one item of color information by means of the same register mark sensor during the printing operation, carrying out color monitoring with at least the at least one item of color information, and determining a color deviation with respect to a reference value. Furthermore, the method includes defining a threshold value for the color deviation, and outputting a warning and/or automatically making a change from good to poor products when the threshold value for the color deviation is exceeded.
摘要:
A method is disclosed for controlling a control variable for a processing machine, which has driven rollers for transporting and/or for processing a material web, of which rollers at least one is not part of a clamping point. A first control element is pilot-operated based on a second control member according to a control value in order to adjust the at least one driven roller that is not part of a clamping point.
摘要:
A method is disclosed for controlling at least one machining device which is coupled to a machine tool by means of an encoder signal, the machine tool having at least one motion control device. In order to improve the accuracy of the encoder connection, at least one additional variable which characterizes the transport is digitally transmitted from the motion control device to the at least one machining device and is used to correct the encoder signal.
摘要:
The invention relates to a method for determining a quality standard for a product processed by a processing machine, in particular a printing press, having at least two printing units, in which the processing positions of the at least two printing units relative to one another are determined, and based on the determined processing positions, the quality standard is ascertained.
摘要:
In a method for the axle correction of a processing machine which includes—in order to convey and process a continuous material—at least two driven conveyance axles, at least one non-driven or driven processing axle, and at least one further non-driven axle, while the rotational speed of a driven axle is being changed, a precontrol of this axle and/or a processing axle is carried out with consideration for the elasticity module of the web material, and with consideration for a rotational inertia of at least one non-driven axle, the elasticity module of the material which comprises the continuous material being determined automatically; and a related processing machine is provided.
摘要:
A method for axial correction in a processing machine (100), which has at least two driven transport axles (110, 115) for transporting and processing a product web (101), at least one non-driven or driven processing axle (111, 112, 113, 114), and at least one additional non-driven axle (102, 121, 122, 123, 124), wherein the product web (101) is divisible into at least one web-tensioning segment; a web-tensioning segment is delimited by two clamping points (110-115) embodied in the form of driven transport or processing axles; and during a rotation speed change of a clamping point (110-115) delimiting a web-tensioning segment, a pilot control of this clamping point (110-115) delimiting the web-tensioning segment and/or of a processing axle (111-114) situated in this web-tensioning segment is carried out, taking into account a moment of inertia of a non-driven axle (102, 121-124) situated in this web-tensioning section, and a corresponding processing machine (100).
摘要:
A method for adjusting the processing position of at least one processing device not clamping a product web to be processed within the context of longitudinal register control in a processing machine includes arranging the at least one processing device in a web section which is delimited by two clamping points. The method further includes applying an actuating variable for adjusting the processing position to the at least one processing device within the context of feedforward control, and calculating the actuating variable for adjusting the processing position on the basis of a register deviation expected from a control action of a tensile force control device for controlling the tensile force in the web section.
摘要:
A method is disclosed for web tension setting in a processing machine for processing a material web, in particular a shaftless printing press. In order to set the web tension in a first web tension section with a length L which is delimited upstream by a first clamping point and downstream by a second clamping point, the first clamping point is loaded with a first manipulated variable which is produced using a first element with a first transfer function G1(s) (G3), and the second clamping point is loaded with a second manipulated variable which is produced using a second element with a second transfer function G2(s) (G4), wherein c1G1(s)=−c2G2(s). Thus, it is possible to keep the speed constant even during the regulation at a fixed or variable point x within the web tension section, wherein x=|c1/(c1+c2)|L lies behind the first clamping point.