197results about "Investigating moving sheets" patented technology

The invention relates to a machine (01) for processing sheets (02), said machine (01) having at least one inspection device (08; 768), and wherein the machine (01) has at least one sheet feed (07; 708); 709); 711, 712; 712, 712; 713, 713; 714) which defines a section (11) of a transport path (09) provided for transporting a sheet (02), the section (11) comprising an inspection region (12), and the inspection device (08; 768) has at least one sensor device (13) arranged in alignment with the examination region (12), and wherein the examination device (08; 768) has at least one first illumination device (14) arranged in alignment with the examination region (12), the first illumination device (14) being arranged so as to be pivotable about a first pivot axis (17) so as to be switchable between different illumination positions, the first pivot axis (17) intersecting the examination region (12) or having a minimum distance from the examination region (12) of at most 20 mm.

The invention relates to the technical field of semiconductor detection, in particular to front and back side detection equipment, which comprises a conveying mechanism, a front side detection mechanism, a back side detection mechanism and a back side detection mechanism, a first gap is formed between the first conveying belt and the second conveying belt, a second gap is formed between the second conveying belt and the third conveying belt, and the second conveying belt is movably arranged in the first direction; the front surface detection mechanism is arranged at the top of the conveying mechanism and is used for detecting the front surface of the flexible plate passing through the first gap; according to the design, the flexible plates do not need to be classified in advance, the conveyor belt gap is directly and dynamically adjusted according to the characteristics of different areas of the flexible plates in the detection process, the detection process is simplified, the detection efficiency is remarkably improved, and the detection efficiency is improved. And the requirements of large-scale production on efficient and accurate detection are met.

The present application is applicable to the technical field of automobile seat quality detection, and in particular, relates to an automobile seat quality detection method, device and equipment. The automobile seat quality detection method comprises: obtaining a first cushion image; analyzing the first cushion image to obtain first cushion quality detection data; obtaining first backrest information; analyzing the moving speed of the first backrest information to obtain first backrest quality detection data; obtaining pressure information and obtaining a second cushion image; analyzing the second cushion image and pressure information to obtain second cushion quality detection data; obtaining second backrest information based on a second movement signal; analyzing the second backrest information to obtain second backrest quality detection data; obtaining automobile seat quality detection data based on the first cushion quality detection data, the first backrest quality detection data, the second cushion quality detection data and the second backrest quality detection data. The method can comprehensively evaluate the actual performance of the seat.

The invention relates to the technical field of zero-dyeing spun fabrics, in particular to dyeing degree detection equipment and process for zero-dyeing spun fabrics, which comprises a fabric conveying frame, a pressing mechanism is fixedly connected to the front side of the top of the fabric conveying frame, and an extrusion mechanism is fixedly connected to the rear side of the pressing mechanism. By arranging the fabric conveying frame, the material pressing mechanism and the extruding mechanism, the efficient and accurate zero-dyeing spinning fabric coloring degree detection process is achieved, through a series of precisely-designed mechanical structures and transmission devices, automatic rolling, soaking, extruding and laser scanning detection of the fabric are achieved, and the detection efficiency is improved. The device and the process have the advantages that the accuracy and the reliability of detection results are guaranteed, the whole detection process is compact and ordered, the production quality and the production efficiency of the zero-dyeing spinning fabrics are greatly improved, in addition, the device and the process have high flexibility and are suitable for the zero-dyeing spinning fabrics with different thicknesses and materials, and the application range of the device and the process is further widened.

The present invention relates to the field of glass fiber cloth detection, and in particular to a device and method for detecting the longitude and latitude of low dielectric glass fiber cloth. It includes a detection platform, a limit component, a glue coating component and a detection component. The detection platform table top is connected to the top seat through a support column, and a hollow space is set inside the detection platform; the limit component is arranged on the detection platform, and the upper and lower ends are both provided with limit ends for limiting the flatness of the low dielectric glass fiber cloth, and both sets of limit ends can be adjusted by rotating the origin and turning the whole; the glue coating component is arranged in the hollow of the detection platform, and the flatness of the low dielectric glass fiber cloth is assisted by gluing the upper limit end; the detection component is raised and lowered between the top seat and the limit component. The present invention detects the longitude and latitude of the low dielectric glass fiber cloth by cooperating with the glue coating component and the detection component through a double-sided limit component. The detection process is coherent and automatic, with a lot of parallel detection data, a large detection range, a stable detection environment, and efficient and accurate detection.

Provided is a method for the simultaneous determination of parameters, in particular of at least two, three or four parameters, of at least one resin layer applied to at least one carrier material by recording and evaluating at least one NIR spectrum in a wavelength range between 500 nm and 2500 nm, preferably between 700 nm and 2000 nm, more preferably between 900 nm and 1700 nm, and particularly advantageously between 1450 nm and 1550 nm, using at least one NIR measuring head, in particular at least one NIR multimeter head.

The invention relates to a measuring device (22) for inline measurement of the adhesion strength of a coating (16) of an electrode (12), comprising two deflecting rollers (28) and a measuring roller (30), which are aligned with their respective central axes parallel to each other, wherein the measuring roller (30) is configured to be moved in a lateral direction (32) perpendicular to a longitudinal extension direction of the central axes relative to the deflecting rollers (28), wherein the deflecting rollers (28) are configured to be positioned against the same side of the electrode (12) and the measuring roller (30) is configured to be positioned against the other side of the electrode (12), whereby by moving the measuring roller (30) the electrode (12) can be positioned around the measuring roller (30), whereby the electrode (12) has a bend in a test area defined by a radius of the measuring roller (30), and comprising an optical defect detection device (34).which is designed to optically detect and evaluate the area of ​​the electrode (12) to be tested.

A compact C-shaped scanner employs at least two sensors and has a mechanism to standardize or calibrate the sensors. The upper and lower elongated beams of the C-frame include a mid-beam sensor and an outer beam sensor. The scanner can monitor the entire width of a continuous sheet by advancing the scanner back and forth along a scanning distance that is only about half that of the sheet width thereby minimizing the required offsheet distance by an amount approaching half the width of the sheet being monitored. Standardization tiles consisting of references materials that are positioned laterally from the edges of the moving sheet allow for calibration of the sensors which operate either in the transmissive or reflective mode. Selected sheet properties or characteristics of the sheet material can be measured. The two sensors can operate in the transmissive or four sensors can operate in the reflective mode.

An image forming apparatus including a fixer, a print medium detection sensor adjacent to the fixer and to detect movement of a print medium, a fan adjacent to the fixer and to the print medium sensor, and a processor to control the image forming apparatus to heat the fixer for an image forming job, and based on a voltage value of an output signal of the print medium detection sensor not being in a predetermined range, to drive the fan to remove a foreign body on a surface of the print medium detection sensor so that the voltage value of the output signal of the print medium detection sensor is in the predetermined range.

The invention relates to a method for detecting a number of corrugated board sheets in a stack, comprising: - detecting a surface modulation in an overlapping shingled stream by means of sensors, - determining the number of corrugated board sheets on the basis of the detected surface modulation, and - outputting the number of corrugated board sheets. The proposed solution also comprises a device for detecting a number of corrugated board sheets in a stack, a computer program product, and a corrugating machine.

A basis weight measurement system for measuring the basis weight of a paper sheet comprising a nucleonic sensor; an infrared measuring device configured for measuring infrared light independently at at least two spectral regions, wherein for at least a first one of the spectral regions the spectrum of light measured is restricted such that the spectral response of the infrared measuring device at a wavelength of 1.954 µm differs from the spectral response of the infrared measuring device at a wavelength of 2.1 µm by at least a factor of 2 when the infrared measuring device is measuring at the first spectral region, and an analysis device comprising a data input interface configured to receive data from the nucleonic sensor and the infrared measuring device and a basis weight determining module configured to determine a basis weight of the paper sheet by combining the data obtained from the nucleonic senor and from the infrared measuring device.

An information processing system, a storage medium, and an information processing method are provided, and the information processing system includes a processor and a sensor device that irradiates a target sheet with light and detects light of an absorption band caused by H-O-H stretching movement that has passed through the sheet. The processor performs: a process for obtaining absorption information indicating the amount of absorption of the paper on the absorption band on the basis of the detection result of the sensor device; and using a prediction model for predicting the expansion and contraction rate of the paper sheet on the basis of the absorption information of the absorption band in the paper sheet, and obtaining the expansion and contraction rate of the paper sheet corresponding to the obtained absorption information.

To reduce variations in profiles in both the cross and machine directions based on the detected lateral variations in detected sheet properties.SOLUTION: Machine direction (MD) position profile measurements of moving sheets record the MD positions of each cross direction (CD) measurement. A sheet monitoring system includes: means for measuring MD speed of a material sheet; means for associating measured MD velocity with time to produce a time-related MD velocity; means for recording time-related MD velocity; a first scanning sensor for measuring first properties of a sheet material, the first scanning sensor being located at a first position along the MD and a first scanner sensor traversing back and forth along the CD; and means for associating a first property measurement value with time to produce a time-related first property measurement value. Single and multiple scanning sensors are employed.SELECTED DRAWING: Figure 2

To provide a method for calendering an electrode tape, which can achieve higher total facility efficiency.SOLUTION: A method for electrode tape calendering has a calendering process, in which an electrode tape 37 is guided through a roller nip 15 of a pair 9 of rollers of a calendering device 1 while compressing the electrode tape. During the calendering process a defect detection step is carried out, in which at least one defect 39 of the electrode tape is directly or indirectly detected. During the calendering process, a defect is detected during the defect detection step and the pair of rollers is adjusted from a calendering position of the pair of rollers to an open position of the pair of rollers in an opening step, and this is before the defect reaches the roller gap. The defect detection step and / or the opening step is carried out, preferably automatically or fully automatically, via an open-loop and / or closed-loop control system of the calendering device.SELECTED DRAWING: Figure 1

The problem solved by the present invention is to provide a pinhole detection device with an improved accuracy of detecting pinholes. The detection unit of the pinhole detection device includes a plurality of optical fibers that transmit light that has passed through the object to be inspected. The plurality of optical fibers are arranged side by side while facing a light source. When a maximum detectable angle at which the pinhole with respect to an optical axis of the light source is detectable is defined as θ, a maximum angle of incidence of light that can be transmitted by the optical fiber with respect to the optical axis of the light source is set in a range of θ+0° to θ+5°.

To provide a method for correlating on-line scanning sensor reading values to laboratory test results of sheet materials produced by continuous processes.SOLUTION: Correlating on-line scanning sensor reading values to laboratory test results for verification of accuracy and reproducibility can be facilitated by changing scanning parameters of a scanner so that it only scans a small portion of a sheet that is to be sampled; this feature makes the sensor's mini-scan reading values more relevant and more likely to be a repeatable result, thus the entire dynamic correlation process achieves more reliable results in a shorter length of time. A technique of operating a continuous sheet making system that includes actuators and a downstream scanning sensor, includes: (a) measuring a sheet physical characteristic of a continuous sheet with the scanning sensor and displaying a cross directional profile of measurements; (b) selecting a cross directional region within the profile; and (c) measuring the sheet physical characteristic with the scanning sensor within the region.SELECTED DRAWING: Figure 1

A method for calendering an electrode tape via a calendering process, in which an electrode tape is passed through a roller gap of a pair of rollers of a calendering device, namely by compressing the electrode tape. During the calendering process a defect detection step is carried out, in which at least one defect of the electrode tape is directly or indirectly detected. If a defect is detected during the defect detection step, the pair of rollers is adjusted from a calendering position of the pair of rollers to an open position of the pair of rollers in an opening step, and this is before the defect reaches the roller gap. The defect detection step and / or the opening step is carried out, preferably automatically or fully automatically, via an open-loop and / or closed-loop control system of the calendering device.

Examples include a sheet-fed printing machine including a sheet simultaneous printing unit having two collect cylinders, which are arranged on top of and in contact with one another. The machine includes a simultaneous printing inspection device and a sheet transport means that defines a section of a transport path for sheets. The section includes an inspection region of the simultaneous printing inspection device. The simultaneous printing inspection device includes a sensor device arranged to be aligned with the inspection region and the detection width of which is at least 80% of the working width. A guide device of the sensor device defines a sensor adjustment path provided for movement of the sensor device and that extends from the simultaneous inspection position to a maintenance position of the sensor device, and that extends linearly and parallel to a transverse direction at least between the simultaneous inspection position and the maintenance position.

The invention relates to a sheet-fed printing press (01), comprising a sheet-fed simultaneous printing unit (200) having two ink collecting cylinders (201; the sheet-fed printing press (01) has a working width of at least 50 cm, a simultaneous printing inspection device (31) and a sheet-fed transport mechanism (39) associated therewith, which defines a section (38) provided for a transport path (09) of the sheet-fed (02), the section (38) comprising an inspection region (37) of the simultaneous printing inspection device (31), and wherein the sheet-fed printing press (01) has a working width of at least 50 cm, the simultaneous printing inspection device (31) and a sheet-fed transport mechanism (39) associated therewith, which defines the transport path (09) of the sheet-fed (02), the sheet-fed transport mechanism (39) being provided for the transport path (09) of the sheet-fed (02). The simultaneous print inspection device (31) has a sensor device (32) arranged in the simultaneous inspection position in alignment with the inspection region (37), the inspection width of which is at least 80% of the working width, and wherein a guide device (33) of the sensor device (32) is further arranged, which guide device defines a sensor adjustment path provided for moving the sensor device (32), the sensor adjustment path extends from a simultaneous inspection position at least to a maintenance position of the sensor device (32) and extends in a straight line and parallel to the transverse direction (A) at least between the simultaneous inspection position and the maintenance position.

The present invention relates to a sheet-fed printing press (01) having a sheet-fed simultaneous printing unit (200) having two ink collection rollers (201; 202) that are in contact with each other and stacked on top of each other, wherein the sheet-fed printing press (01) has a working width of at least 50 cm, a simultaneous printing inspection device (31) and a corresponding sheet-fed conveying mechanism (39) that defines segments (38) for a conveying path (09) for the sheet (02), wherein the segments (38) include an inspection area (37) of the simultaneous printing inspection device (31). The simultaneous printing inspection device (31) has a sensor device (32) arranged in the simultaneous inspection position aligned with the inspection area (37), the detection width of the simultaneous printing inspection device being at least 80% of the working width, and a guide device (33) for the sensor device (32) is also arranged therein, the guide device defining a sensor adjustment path for moving the sensor device (32), the sensor adjustment path extending from the simultaneous inspection position to at least the maintenance position of the sensor device (32) and extending in a straight line and parallel to the lateral direction (A) at least between the simultaneous inspection position and the maintenance position.

A base weight measurement system for measuring a base weight of a sheet, the base weight measurement system comprising: a nucleon sensor; an infrared measurement device configured for independently measuring infrared light at at least two spectral regions, where for at least a first of the spectral regions, the spectrum of the measured light is limited such that when the infrared measurement device performs the measurement at the first spectral region, the spectrum of the measured light is limited to the spectrum of the measured light at the second spectral region. The spectral response of the infrared measurement equipment at the wavelength of 1.954 mu m differs from the spectral response of the infrared measurement equipment at the wavelength of 2.1 mu m by at least two times; and an analysis device, the analysis device comprising: a data input interface configured to receive data from the nuclear sensor and the infrared measurement device; and a basic weight determination module configured to determine a basic weight of the sheet by combining data obtained from the nucleon sensor and from the infrared measurement device.

The invention relates to a method, wherein a plurality of paper webs (4, 6, 8) are guided in a feed direction (F) through a corrugator (2), wherein a measuring device (22) is integrated in the corrugator (2), having a light source (24) and an SWIR camera system (26), wherein the SWIR camera system (26) has a field of view (28) which extends transversely to the feed direction (F), wherein one of the webs (4, 6, 8) is guided through the field of view (28) and an optical absorption measurement is repeatedly carried out in a number of spectral bands (32) using the light source (24) and the SWIR camera system (26) and measurement data (34) is thus generated, wherein a humidity (42) of the web (4, 6, 8) is calculated from the measurement data (34) in a spatially resolved manner. The invention also specifies a corresponding corrugator (2).

A system and method for processing a dry electrode film comprising a roller system, a terahertz measurement device and a dry electrode powder mixture dispenser, are disclosed. The measurement device may comprise a terahertz source and a terahertz sensor. Such terahertz source may be emitted towards an upper and lower surface of the dry electrode film and reflected back towards the terahertz sensor to measure a physical property of the dry electrode film.

The invention relates to the related technical field of chip finished product detection, and discloses a power chip finished product detection device, through the arrangement of a tray clamping mechanism and a tray turn-over mechanism, after a first optical detection probe detects one side of a chip, the tray clamping mechanism can buckle another chip tray on a chip tray supporting the chip, so that the chip can be conveniently and rapidly turned over, and the detection efficiency is improved. And then the tray turnover mechanism can clamp and turn over the two chip trays, so that a large number of chips are turned over at the same time, a second optical detection probe can conveniently detect the other sides of the chips, automatic turnover of double-sided detection of the chips is achieved, manpower is not needed, and the detection efficiency is greatly improved.

The present document discloses a method of determining thickness of a wet film, in particular of microfibrillated cellulose. The method comprises conveying said film (20) in a wet state on a conveyor (10) having a conveyor width, the wet film having a film width which is less than the conveyor width, providing a laser projection (1511) across a film edge, acquiring a series of images, each depicting an area of the conveyor, wherein the laser projection, a portion of the film and a portion of an exposed conveyor surface are visible, and using at least some of said images to determine at least one of a film thickness and a film thickness distribution across the film width. The document also discloses a method of forming a film, in particular a microfibrillated cellulose film, and a device for producing such film.

The utility model discloses a device for counting self-healing points of capacitor cores, which comprises a working table, at least two connecting rollers are arranged on the working table, are arranged at intervals and are used for winding core films, and the at least two connecting rollers are rotatably mounted on the working table; the at least two connecting rollers are used for guiding the core film to be wound during rotation; a detection interval for guiding the core film to be in a horizontal unfolding state is formed between the two connecting rollers; the first driving assembly is connected with the at least one connecting roller so as to drive the at least one connecting roller to rotate; the light-emitting component is used for emitting light to the detection interval; and the image acquisition assembly is used for acquiring an image of the core film of the detection interval. The core film image of the detection interval is acquired through the image acquisition assembly to record and count the self-healing points on the surface of the core film, so that the time for manually counting the self-healing points is effectively shortened, and the counting efficiency of the self-healing points is improved.

To provide a method of controlling a gap for sheet manufacturing measurement processes.SOLUTION: A system for measuring a property of a continuous sheet comprises: a first scanner head 4 disposed on one side of the sheet, where the first scanner head 4 comprises a first sensor device 8 with a first movable sensor base 10 and a first adjustable actuator 12A, 12B configured to move the first sensor base along a first axis; a second scanner head 6 disposed on the opposite side of the sheet, where the first scanner head 4 and the second scanner head 6 define a sensor gap; and control means for controlling the first adjustable actuator, for measuring the distance of the sensor gap and maintaining the sensor gap distance at a desired gap distance.SELECTED DRAWING: Figure 1

The invention relates to a NIR-spectroscopy-based method for determining the amount of white pigment in a paper layer, in particular the amount and type of white pigment in a paper layer.

A system and method for processing a dry electrode film comprising a roller system, a terahertz measurement device and a dry electrode powder mixture dispenser, are disclosed. The measurement device may comprise a terahertz source and a terahertz sensor. Such terahertz source may be emitted towards an upper and lower surface of the dry electrode film and reflected back towards the terahertz sensor to measure a physical property of the dry electrode film.

The present invention relates to an LED matrix illumination device (20) for illuminating an illumination pattern with uniform intensity. The LED matrix illumination device includes a plurality of LEDs (22), a collimating lens (23) in front of each LED (22) for collimating the light of that LED (22), and a light-refractive element (24) in front of the collimating lens (23) configured to refract the light of at least a first portion of the plurality of LEDs (22) at a different refraction angle than the light of at least a second portion of the plurality of LEDs (22). The present invention further relates to a machine vision system, method, and computer program product.