Abstract: The invention relates to a method for calibrating adjusting means (120) for adjusting a nozzle slot (112) of a discharge nozzle (110) for a film track (FB) on a flat film machine (100), comprising the following steps: specifying a calibration position (KP) for the adjusting means (120), performing a controlling intervention to change the adjusting position (SP) of the adjusting means (120), acquiring the reaching of the calibration position (KP) of the adjusting means (120).

Abstract: The invention relates to a method of controlling an edge section (RA) of a film track (FB) in a flat film machine (100), comprising the following steps: acquiring a thickness profile (DP) in at least one edge section (RA) of the film track (FB) in a transverse direction (QR) transverse to the production direction (PR) of the film track (FB), comparing at least a partial section of the acquired thickness profile (DP) of the edge section (RA) with a preset profile (VP), determining a profile deviation (PA) as a result of the comparison, performing a controlling intervention on the flat film machine (100) based on the determined profile deviation (PA).

Abstract: The invention relates to a method for controlling a nozzle slot (112) of a discharge nozzle (110) for a film track (FB) of a flat film machine (100), comprising the following steps: acquiring an actual profile (IP) of the nozzle slot (112), detecting a thickness profile (DP) of the film track (FB), comparing the detected thickness profile (DP) of the film track (FB) with a preset profile (VP), determining a profile deviation (PA) as a result of the comparison, performing a controlling intervention to change the nozzle slot (112) based on the profile deviation (PA) and the actual profile (IP).

Abstract: The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to a respective thermoelement, is arranged on the first nozzle lip, the thermoelements being controllable by the regulation in such a way that the slot can be adjusted by the action of a mechanical force from the respective adjusting element on the first nozzle lip, as a result of the expansion or contraction of the thermoelements. At least two adjusting elements are adjusted simultaneously. The invention further relates to a control and/or regulation system.

Abstract: The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to a respective thermoelement, is arranged on the first nozzle lip, the thermoelements being controllable by the regulation in such a way that the slot can be adjusted by the action of a mechanical force from the respective adjusting element on the first nozzle lip, as a result of the expansion or contraction of the thermoelements. At least two adjusting elements are adjusted simultaneously. The invention further relates to a control and/or regulation system.

Abstract: The invention relates to a method for producing a plastic film from a total amount of raw materials using a film extrusion machine. According to the invention, the method comprises the following steps: detecting film parameters relating to desired properties of the plastic film, detecting raw material parameters relating to properties of the raw materials, grouping the raw material parameter into at least two raw material parameter groups, forming correlations between raw material parameter groups, forming correlations between film parameters and the raw material parameter groups based on a film production model, detecting a selection of at least one raw material from at least one raw material parameter group, calculating at least one production parameter of the film extrusion machine based on the film production model.

Abstract: The invention relates to a method for producing a film from a total quantity of raw materials using an extrusion machine, comprising the following steps: detecting machine parameters relating to properties and/or settings of at least one film extrusion machine, detecting film parameters relating to desired properties of the film, detecting raw material parameters relating to properties of the raw materials, inputting the detected parameters in a film production model, calculating a selection and/or an amount of raw materials from the total quantity of raw materials based on the detected parameters and the film production model, outputting information relating to the selection and/or the amount of raw materials.

Abstract: The invention relates to a method for producing a plastic film from a total quantity of raw materials in a film extrusion machine. Said method according to the invention comprises the following steps: providing a selection of raw materials from a total quantity of raw materials, setting machine and production parameters of the film extrusion machine, supplying the selection of raw materials to the film extrusion machine in a composition, detecting at least one actual value of a property of the plastic film, forming a difference between the actual value and a target value of the property, changing the selection of raw materials and/or the composition of the raw materials, if the difference exceeds a threshold.

Abstract: The invention relates to a method for switching the production of a flat film machine (100) from a feed product (EP) to a follow-on product (FP), comprising the following steps: recognizing a switching request for a switch from the feed product (EP) to the follow-on product (FP), determining a current feed control value (ES) of at least one control variable (SG) of the flat film machine (100) for the feed product (EP), determining a follow-on control value (FS) of the same at least one control variable (SG) for the follow-on product (FP), generating a control signal (SS) for a defined variation of the at least one control variable (SG) of the flat film machine (100) from the feed control value (ES) to the follow-on control value (FS).

Abstract: The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, which are coupled to a respective thermoelement, is arranged at the first nozzle lip, wherein the thermoelements are controllable by the regulation in such a way that the slot adjustment can be realized by the action of a mechanical force from the respective adjusting element on the first nozzle lip as a result of an expansion or contraction of the thermoelements. At least one clamping blade is respectively arranged in a right-hand and left-hand edge region of the nozzle assembly, wherein the width of the nozzle discharge slot can be variably set.

Abstract: The invention relates to an adjusting device (10) for controlling a discharge thickness (AD) of a nozzle discharge slot (110) of a flat film machine (100), comprising a plurality of adjusting bolts (20) for carrying out an adjusting movement for changing the discharge thickness (AD), wherein the adjusting bolts (20) comprise an adjusting region (SB) between a closing end position (SE) and an opening end position (OE), wherein further starting from the opening end position (OE), the adjusting region (SB) comprises a basic stroke path (BH) for a basic adjustment of the discharge thickness (AD) and, starting from the closing end position (SE), comprises a process stroke path (PH) for process controlling of the discharge thickness (AD).

Abstract: The invention relates to a method for controlling a thickness profile (DP) of a film track (FB) along a transverse direction (QR) by means of a plurality of adjusting means (120) for adjusting a slot opening (112) of a discharge nozzle (110) of the flat film machine (100), comprising the following steps: acquiring a thickness profile (DP) along the transverse direction (QR) of the film track (FB) transverse to a production direction (PR) of the flat film machine (100), comparing at least a partial section of the acquired thickness profile (DP) with a preset profile (VP), determining at least one local profile deviation (PA) in a deviation section (AA) as a result of the comparison, generating at least one controlling intervention for the adjustment of at least one adjusting means (120) in an intervention section (EA) different from the deviation section (AA).

Abstract: The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, coupled to a respective thermoelement, is arranged on the first nozzle lip, the thermoelements being controllable by the regulation in such a way that the slot can be adjusted by the action of a mechanical force from the respective adjusting element on the first nozzle lip, as a result of the expansion or contraction of the thermoelements. At an initial operation of the nozzle assembly for conveying the melt, the adjusting elements for subsequent regulation of the slot size are set uniquely free from play as the initial setting. The invention further relates to a control and/or regulation system.

Abstract: The invention relates to a changing device (10) for a changing of a flat film machine (100) from a feed product (EP) to a follow-on product (FP), comprising a sensor module (20) for acquiring at least one production parameter (PP) of the flat film machine (100) and an adjusting module (30) for a controlled change of this acquired at least one production parameter (PP), further comprising a controlling module (40) for controlling the adjusting module (30) for an optimized changing time (TU) for the acquired at least one production parameter (PP) from the feed product (EP) to the follow-on product (FP).

Abstract: The invention relates to a method for automatically regulating the size of a nozzle discharge slot of a nozzle assembly, wherein the nozzle assembly comprises a first and a second nozzle lip and a nozzle discharge slot arranged between the nozzle lips for setting in a controlled manner a thickness profile of a conveyable melt. A plurality of adjusting elements, in particular a plurality of adjusting pins, which are coupled to a respective thermoelement, is arranged at the first nozzle lip, wherein the thermoelements are controllable by the regulation in such a way that the slot adjustment can be realized by the action of a mechanical force from the respective adjusting element on the first nozzle lip as a result of an expansion or contraction of the thermoelements.

Abstract: The invention relates to a device (10) for at least one industrial automated process (110), in particular a weighing and/or packing and/or arranging and/or packing process, comprising: at least one sensor (30) for determining at least one process data value which is relevant to the entire process by detecting at least one partial process parameter of the device (10), which parameter is relevant to the entire process, a processing device (40), which is electrically connected to the sensor (30) for processing the process data value, an interface device (50) for data connection and for forwarding the process data value to at least one individual machine (2a, 2b, 2c) located upstream and/or downstream in the process (110), wherein the total process (110) can be evaluated with reference to the process data value by comparison with a pre-defined process instruction (130).

Abstract: The invention relates to a method for the online monitoring of film quality during a production process for a plastic film, in particular a blown film or a continuously cast film, in which method the film material (1) is fed out of an outlet device (40) that is designed as a melt lug (4) by a transport device (10). The film material (1) cools on or in front of the transport device (10) and the film material (1) solidifies in front of or on the transport device (10).

Abstract: The invention relates to a method for calibrating adjusting means (120) for adjusting a nozzle slot (112) of a discharge nozzle (110) for a film track (FB) on a flat film machine (100), comprising the following steps: specifying a calibration position (KP) for the adjusting means (120), performing a controlling intervention to change the adjusting position (SP) of the adjusting means (120), acquiring the reaching of the calibration position (KP) of the adjusting means (120).

Abstract: The invention relates to an adjusting device (10) for controlling a discharge thickness (AD) of a nozzle discharge slot (110) of a flat film machine (100), comprising a plurality of adjusting bolts (20) for carrying out an adjusting movement for changing the discharge thickness (AD), wherein the adjusting bolts (20) comprise an adjusting region (SB) between a closing end position (SE) and an opening end position (OE), wherein further starting from the opening end position (OE), the adjusting region (SB) comprises a basic stroke path (BH) for a basic adjustment of the discharge thickness (AD) and, starting from the closing end position (SE), comprises a process stroke path (PH) for process controlling of the discharge thickness (AD).

Abstract: The invention relates to a method for controlling a thickness profile (DP) of a film track (FB) along a transverse direction (QR) by means of a plurality of adjusting means (120) for adjusting a slot opening (112) of a discharge nozzle (110) of the flat film machine (100), comprising the following steps: acquiring a thickness profile (DP) along the transverse direction (QR) of the film track (FB) transverse to a production direction (PR) of the flat film machine (100), comparing at least a partial section of the acquired thickness profile (DP) with a preset profile (VP), determining at least one local profile deviation (PA) in a deviation section (AA) as a result of the comparison, generating at least one controlling intervention for the adjustment of at least one adjusting means (120) in an intervention section (EA) different from the deviation section (AA).