50 results about "Slice thickness" patented technology

The invention discloses a 3D printing path optimization method for a multi-joint industrial robot, and relates to the field of 3D printing path optimization. The method comprises the steps that a normalized torque load index is generated according to the joint torque of the mechanical arm, and a layer cutting thickness sequence is generated in combination with the model surface curvature; a vibration risk index is constructed through the joint angular acceleration, the attitude interpolation weight is dynamically adjusted, and an attitude interpolation trajectory is generated; according to the distribution characteristics of the temperature field around the path point, calculating a thermal coupling factor, generating a thermal avoidance path offset, and correcting the path point; calculating a collision risk score based on the minimum Euclidean distance between the path point and the obstacle model; and fusing the cutting layer thickness, the vibration risk, the thermal coupling factor and the collision risk score, and constructing a global path scoring function. Through comprehensive consideration of mechanical arm load, vibration risk, heat accumulation and collision risk, printing precision and quality are effectively improved, path smoothness is optimized, vibration and heat influences are reduced, material deformation is avoided, and stability of the printing process is ensured.

The invention relates to the technical field of automatic control, in particular to a pathological section automatic adjusting method and system, and the method comprises the following steps: based on the real-time operation state of a microscope stage, analyzing the load and the moving track of the pathological section stage, adjusting the motion parameters of the microscope stage, and responding to the deviation of the section stage. And adjusting position parameters of the slice by combining slice thickness measurement, and generating a platform deck movement adjustment scheme. According to the invention, through real-time analysis of the operation state of the carrying platform, dynamic adjustment of the load and the track, improvement of the motion accuracy and stability, reduction of the positioning error, combination of the slice thickness, optimization of position parameters, enhancement of the processing consistency and efficiency, reduction of dislocation and invalid motion through track optimization monitoring, adjustment of the batch sequence and deformation correction optimization, and equalization of sample distribution. High-throughput operation efficiency is improved, slice offset is dynamically corrected, accurate positioning under different deformation conditions is ensured, automatic adaptability is improved, and errors and time cost are remarkably reduced.

The invention discloses a cell slice sampling device, which belongs to the technical field of biomedical detection equipment, and comprises a sampling table and a sample fixing mechanism arranged on the sampling table, the three-dimensional adjusting mechanism comprises an X / Y-axis translation assembly and a Z-axis feeding assembly, the X / Y-axis translation assembly drives a worm gear through a worm to achieve plane positioning, and the Z-axis feeding assembly controls vertical displacement through a second threaded rod penetrating through an inner thread of an assembling block; the cutting mechanism comprises a blade driven by two groups of belt pulleys and an assembling shell; the collecting mechanism comprises a rotatable turret and a plurality of collecting tanks. The submillimeter-level positioning precision of the three-dimensional adjusting mechanism (X / Y / Z axis) is set, precutting and the main blade work cooperatively, uniform slice thickness and high integrity are ensured, and through reasonable structural design, accurate and efficient sampling of tissue samples is achieved, manual operation errors are reduced, and the sample quality and the reliability of detection results are improved.

The invention discloses a path planning method and device for non-entity support of parts, equipment and a medium, relates to the technical field of additive manufacturing, and aims to solve the problems that the data volume of a slice contour point set for non-entity support of existing parts is large, and the number of times of switching-off and switching-off is large during printing. The method comprises the following steps: acquiring a three-dimensional model and a slice thickness of a non-entity support of a part; according to the slice thickness, extracting intersecting line segments of each triangular patch and each slice plane in the three-dimensional model to obtain a data set; performing duplicate removal and sorting processing on points in the data set to obtain a first slice contour set; deleting collinear data points meeting a preset collinear condition in the first slice contour set to obtain a second slice contour set; and performing gap filling on the second slice contour set by adopting an open contour stitching algorithm to obtain a third slice contour set. The path planning method for the non-entity support of the part is used for reducing the data volume of the section contour point set for the non-entity support of the part and reducing the number of times of printing light interruption.

The utility model relates to a precise slicing device for American ginseng. The precise slicing device comprises a workbench, a fixing mechanism and a slicing mechanism. The American ginseng slicing device has the advantages that American ginseng can be fixed, slicing operation of American ginseng with different thicknesses can be met, the slicing thickness is accurate, a blade is composed of a plurality of equidistant single pieces, slicing operation can be completed through one-time rotation, after slicing is completed, cut slices are pushed out when materials are fed to a feeding mechanism through a second motor, the automation degree is high, and the slicing efficiency is high. And time and labor are saved.

A real-time coaxial focusing system disclosed by the present invention comprises a slicing mechanism and a stabilizing structure, the slicing mechanism is composed of a vertical plate, a reference table, a blade, a solution tank, a connecting pipe and a lifting screw rod, the slicing mechanism is used for slicing a sample and providing a solution required by sample observation, the vertical plate is fixedly connected with the solution tank, and the stabilizing structure is fixedly connected with the vertical plate. The blade is in threaded connection with the lifting lead screw, the stabilizing mechanism is composed of a reflective mirror, a compressed air tank, a supporting leg, a supporting leg air pipe, a pneumatic clamp and a pneumatic branch pipe, the stabilizing mechanism is used for preventing the reflective mirror from deflecting, and the reflective mirror is rotationally connected with the reference table. By arranging the slicing mechanism, the device can control the thickness of a sample sliced by a blade by rotating a lifting screw rod, so that the device avoids the problem that imaging is affected due to the fact that the thickness of the sample sliced by other devices of the same kind cannot be controlled.

This invention provides a method and system for monitoring and adaptively calibrating the blade condition of a hawthorn slicer based on multi-sensor fusion. It collects spindle motor current signals, blade holder vibration acceleration signals, and slice images, and extracts feature values. When the vibration feature value changes abruptly and the current feature value decreases simultaneously, blade breakage is detected, triggering an emergency stop. If breakage is not detected, the average current trend is monitored to generate a wear warning. Visual acquisition is initiated according to preset conditions to obtain the actual slice thickness. Using a pre-calibrated mapping relationship between slice thickness and current and vibration feature values, the threshold compensation amount is calculated in reverse based on the thickness deviation, adaptively correcting the detection threshold. This invention reduces the false blade breakage rate, achieves proactive wear warning, compensates for sensor drift, and ensures a high slice yield.

The present application relates to the technical field of 3D printing, and in particular, to a data analysis method, system, and electronic device for 3D printing. The method includes obtaining a model to be printed and corresponding printer information, and performing coordinate processing on the model to be printed to obtain several groups of model coordinate data. Several groups of feature coordinates are screened out from the model coordinate data, and the model to be printed is divided based on the feature coordinates to obtain a set of data to be sliced. The corresponding slice thickness is obtained according to the set of data to be sliced and the printer information, and the set of data to be sliced and the corresponding slice thickness are stored. The model to be printed is cut based on the slice thickness and the set of data to be sliced to obtain several slice data. The present application enables the slice thickness to change according to different models and different printers, so that each step of the model to be printed is printed perfectly, improving the printing accuracy of the model to be printed.

The invention relates to a system and method for controlling a slice thickness when obtaining a 3D tomographic image of an inspection volume in a semiconductor wafer, the method comprising: depositing a marker structure (66) on the wafer surface (32), alternatingly: exposing a cross-section surface (48) in the inspection volume by milling into the inspection volume and the marker structure (66) with a focused ion beam (34) in a focused ion beam system (24), wherein a current position of the focused ion beam (34) is repeatedly derived from a cross-section of the marker structure (66), wherein the cross-section of the marker structure (66) is determined by measuring numbers and / or types of secondary particles released during milling, and wherein the milling is stopped when the current position reaches a desired position; and imaging the cross-section surface (48).

The utility model belongs to the technical field of traditional Chinese medicinal material processing, particularly relates to gastrodia elata slicing thickness adjusting equipment, and aims to solve the problems of non-uniform slicing thickness, low efficiency and complicated operation due to the fact that most of the existing gastrodia elata slicing modes depend on manual operation or use of simple mechanical devices. The gastrodia elata slicing device comprises a workbench, a supporting plate is fixedly installed on one side of the workbench, a supporting frame is fixedly installed at the top of the workbench, a partition frame is fixedly installed in the supporting frame, the partition frame is used for supporting and limiting gastrodia elata needing to be sliced, and a plurality of feeding holes are formed in the inner wall of the top of the supporting frame at equal intervals. According to the gastrodia elata slicing device, multiple gastrodia elata can be cut at the same time, meanwhile, by adjusting the position of the baffle, the gastrodia elata slicing thickness can be adjusted, and therefore in actual use, the baffle can be adjusted to the proper position according to actual needs, and good practicability is achieved.

To provide a slicer that can adjust settings of a slice thickness intuitively and also slice an article in a stable attitude.SOLUTION: The slicer comprises: a frame; a stationary top plate that defines a first slide surface; a slice blade positioned on a flat surface that is nearly the same as the first slide surface; a movable top plate that defines a second slide surface and can move in a height direction which is perpendicular to the second slide surface; a support plate that moves the movable top plate in the height direction in accordance with relative movement in a longitudinal direction thereof with respect to the movable top plate; and an operation dial configured to move the support plate step-by-step in the longitudinal direction by step-by-step rotation operation thereof. The support plate is configured to make a base end-side support part and a tip-side support part arranged separately from each other in the longitudinal direction support a lower surface of the movable top plate so as to restrict the movable top plate from tilting in the longitudinal direction. The step-by-step rotation operation of the operation dial enables a height position of the movable top plate to change step-by-step.SELECTED DRAWING: Figure 8

The present invention discloses a method, device, equipment and storage medium for predicting powder usage of a powder bed, the method comprising: obtaining three-dimensional model information of an object to be printed, the three-dimensional model information comprising slice thickness and effective length of multiple slices obtained after layered cutting of the three-dimensional model of the object to be printed, determining a first powder usage required for a forming bin when printing the current slice based on the slice thickness and effective length, determining a height of powder in the powder bin when printing the current slice based on the first powder usage, determining a second powder usage required to be provided by the powder bin when printing the current slice based on the height, and determining a third powder usage required when printing the object to be printed based on the second powder usage. When predicting the powder usage, the present invention takes into account the size change of each slice layer, thereby determining the powder usage when printing each slice layer, and can more accurately predict the powder usage for printing the object to be printed.

The invention relates to a method for slicing foodstuffs using a slicing machine (100), the method comprising the following steps: arranging at least one product caliber (K) on a feeding unit (102) of the slicing machine (100), feeding, by means of the feeding unit (102), the at least one product caliber (K) along a feeding direction (10) to a cutting unit (110) of the slicing machine (100), and slicing, by means of the cutting unit (110), the at least one product caliber (K) into slices (S) to form portions (P), wherein each portion (P) comprises one or more slices (S), wherein the at least one product caliber (K) is sliced ​​at least section by section with a predetermined slice thickness (d), but at most up to a predetermined remaining piece length (LR).wherein immediately before the end of the cutting of the product caliber (K), one or more final slices (S) with a reduced slice thickness (dred) or an increased slice thickness (derh) are cut, wherein the reduced slice thickness (dred) and / or the increased slice thickness (derh) is / are determined, in particular by means of a control unit (1 *) of the cutting machine (100), such that the at least one product caliber (K) is cut substantially, preferably exactly, down to the predetermined remaining piece length (LR).

The invention relates to the field of medical instruments, in particular to an ultrasonic out-of-plane puncture visual auxiliary guiding method and system, and the method comprises the following steps: obtaining an image, setting a puncture angle, confirming a puncture target spot, confirming a focal length and an ultrasonic frequency, and generating a simulated puncture needle passage; the system comprises a clamping arm, a guiding module, a distance measuring module, a track generating module and an image display module. The puncture target area is arranged on the basis of the ultrasonic volume effect and the ultrasonic slice thickness, the monitoring range of the puncture needle by an ultrasonic image in the puncture process is enlarged, the safety area of puncture operation is relatively enlarged, and the situation that the needle point of the puncture needle is located outside the target point and breaks away from ultrasonic image monitoring is avoided; meanwhile, in the process from the time when the puncture needle enters the skin to the time when the puncture needle punctures the target, the projection point of the puncture needle tip on the central plane is output on the ultrasonic image of the monitor in real time to form a simulated puncture needle passage, and simulation visualization of the advancing track of the puncture needle tip is achieved.

The utility model belongs to the technical field of toast slicing, and particularly relates to a toast slicing machine capable of adjusting slicing thickness, which comprises two support plates, vertical plates are fixedly connected onto the two support plates, two limit slide rails are fixedly connected onto the two vertical plates, a slide sleeve is slidably assembled on each limit slide rail, the two slide sleeves are fixedly connected with an L-shaped block in a matched manner, and the L-shaped block is fixedly connected with the vertical plates. A transverse plate is fixedly connected between the two L-shaped blocks, a through groove is formed in the transverse plate, a transverse rod is assembled in the through groove, the transverse rod is sleeved with a plurality of sliding blocks, a spring is fixedly connected between every two sliding blocks, the transverse rod is sleeved with the springs, a cutter is installed on the bottom side of each sliding block, and fixing frames are fixedly connected to the two side walls of each L-shaped block. When the slicing device is used, the distance between the blades can be adjusted according to the requirements, the slicing thickness can be easily adjusted according to the slicing requirements of different users, and the requirements of the users for different slicing thicknesses are met.

A machine learning model (e.g., a neural network or other suitable machine learning model) is trained and implemented for noise reduction in ultra-low-dose (ULD) computed tomography (CT). Training inputs include low-dose CT image data generated from thick-slice images and noise maps estimated from images having a thinner slice thickness than the thick-slice images. Training targets include routine-dose CT image data including images having the same slice thickness as the thick-slice images in the training inputs.

A tissue section thickness estimation device 1 comprises a difference image generator 10 that generates a difference image between a microscopic image of a tissue section taken under conditions of shallow depth of focus and a microscopic image of the tissue section taken under conditions of deep depth of focus, and an estimation unit 20 that estimates the thickness of the tissue section from the difference image.

The invention discloses a sample processing method for tissue slice-free imaging, and relates to the technical field of tissue sample processing. The sample treatment method comprises the following steps: carrying out surface treatment on a sample tissue, and then carrying out thin-layer dip dyeing; the thin-layer dip dyeing comprises the following steps: carrying out dip dyeing on a to-be-detected surface of a sample tissue subjected to surface treatment by utilizing a fluorescent reagent; the fluorescent reagent comprises DID; the DID is DID sol prepared from hyaluronic acid hydrosol. The sample obtained through the sample processing method can be subjected to surface imaging under the condition that the whole integrity of the sample is not damaged as much as possible, the cell level contained in the thickness of a paraffin section or a frozen section and the plane imaging effect are reduced, and the imaging quality is better than that of existing section-free imaging.

The invention discloses a high-toughness and high-flowability regenerated PET slice preparation forming method and a production line thereof, and relates to the technical field of PET slice preparation forming. Comprising the following steps: demand acquisition: acquiring a user slice forming demand to obtain a user demand; according to the method, the finished product performance obtained by different forming molds under slices with different thicknesses is obtained through the set efficiency optimization method and serves as the auxiliary information, the corresponding auxiliary information is searched through the set searching method to obtain the target adjusting information, and the PET slice thickness of the slicing equipment is adjusted according to the slice thickness information in the target adjusting information. Through the set slice optimization method, when the reference thickness is inconsistent with the target thickness, adaptive optimization is carried out on the adjustment thickness of the slicing equipment, so that the accuracy of obtaining the slice thickness under the user demand is improved, meanwhile, the slice obtaining efficiency is improved, a dynamic adjustment mechanism is embodied, the production process rapidly responds to changes, and the production efficiency is improved. And the possibility of diversified and efficient production can be improved.

The invention discloses a geometric feature evaluation method and device of an angle steel component, a medium and equipment, and relates to the field of component geometric accuracy evaluation detection, and the method comprises the steps: obtaining three-dimensional point cloud data of the angle steel component of laser wire feed additive manufacturing (WLAM); the method comprises the following steps: reconstructing a coordinate system of an angle steel member by adopting a principal component analysis (PCA) method, determining a slice thickness of the angle steel member by adopting an adaptive slice thickness algorithm based on acquired height information of the angle steel member, dividing the angle steel member into a plurality of slices based on the slice thickness, and determining a mass center position and a main direction vector corresponding to each slice; according to the mass center position and the main direction vector, torsion angles corresponding to all the slices are obtained, and the inclination deviation parameter and the straightness parameter of the angle steel component are obtained by conducting least square linear fitting on the mass center track data.

The utility model relates to toasty slice machine technical field, concretely relates to a slice thickness adjustable toasty slice machine, including slice seat, the top of slice seat is provided with a plurality of guide posts, the top of guide post is provided with the top seat, the top of top seat is provided with hydraulic rod, the telescopic end of hydraulic rod penetrates top seat and is provided with the adjusting frame, the inside of adjusting frame is provided with the adjusting assembly that can adjust the slice thickness, through rotating two -way screw rod, drive two threaded blocks to be close to each other or each other away, when two threaded blocks are close to each other, will drive X type link's one end close to each other, and X type link's other end will drive two sliding blocks close to each other, simultaneously also will drive slide and cutting knife move, through a plurality of X type link can drive a plurality of slide and cutting knife etc.

The invention relates to a scatter correction method based on a side irradiation scintillator. The cuboid scintillators are sliced into piles along the long sides in an equal-thickness mode; collimated beams matched with the sheet thickness only penetrate through the first sheet from the side face to irradiate, the camera directly faces for imaging, and the brightness is extracted one by one; fitting a scattering attenuation relation based on an illuminated experiment to obtain a scattering correction factor; and deducting scattering of the actually measured brightness item by item according to layers, recovering the real brightness, and obtaining three-dimensional dose distribution according to brightness-dose calibration. According to the method, initial scintillation light and interlayer scattering can be separated, the structure is simple, calibration and measurement are consistent, and the three-dimensional dose measurement precision and reproducibility are remarkably improved.

Disclosed herein is a method comprising: receiving (200) an initial pulse sequence command (122); receiving (202) calibration data (124); receiving (204) a volume of interest (126); receiving (206) a slice thickness (128) of the at least one slice stack; and receiving (208) a stack-related stack orientation (130) of the at least one slice stack. The method further includes performing, for a slice, the following: determining (210) a field of view (132) for the slice using the volume of interest, the slice thickness, and the stack orientation of the stack of slices; determining (212) a readout direction (136) for the slice and a phase encoding direction for the slice using the calibration data to optimize image metrics within the slice; and constructing (214) a slice-specific pulse sequence command (140) by modifying the initial pulse sequence command using the field of view, the readout direction, and the phase encoding direction. A system for performing the method is disclosed.

The invention relates to the field of medicinal material processing, and particularly discloses a method for optimizing fresh mulberry twig processing parameters by using a response surface method.The method comprises the following steps that the drying degree, the slice thickness and the slice drying temperature before cutting are tested in sequence through a control variable method, and the corresponding mulberroside A content is obtained; then, a response surface horizontal parameter table is designed according to the state of the mulberroside A with the maximum content, a model is fitted through a computer, and optimal processing parameters are reversely deduced through the model. According to the scheme, the influence of the drying degree, the slice thickness and the slice drying temperature of the mulberry twigs before cutting on the quality of the fresh-cut mulberry twig decoction pieces is investigated through a single factor experiment, and the production place primary processing and processing integrated process of the mulberry twigs is optimized by utilizing Box-Behnken design and combining a response surface method.

The utility model relates to the technical field of slicing, in particular to a herbal medicine slicing machine. The herbal medicine slicing machine comprises a main body, a conveying unit, a limiting unit, a cutter unit and a discharging unit. The main body is provided with a cutting bin and a discharging bin, and the discharging bin is located below the cutting bin. The conveying unit is connected with the main body and used for conveying materials into the cutting bin in the preset direction. The limiting unit is contained in the material cutting bin and used for abutting against the materials conveyed into the material cutting bin so as to limit the length of the portions, stretching into the material cutting bin, of the materials. The cutter unit is used for cutting off the materials conveyed into the cutting bin or cutting off the materials abutting against the limiting unit. The discharging unit is contained in the discharging bin and used for guiding out materials in the discharging bin. The herbal medicine slicing machine is simple in structure, convenient to use and capable of effectively improving the slicing thickness consistency, and therefore the slicing quality can be improved.

A tissue section thickness estimation device comprises a difference image generator that generates a difference image between a microscopic image of a tissue section taken under conditions of shallow depth of focus and a microscopic image of the tissue section taken under conditions of deep depth of focus, and an estimation unit that estimates the thickness of the tissue section from the difference image.

A structure for accurately positioning the slicing thickness comprises a cutter assembly, an adjusting assembly and a rotating assembly, the cutter assembly and the adjusting assembly are connected with the rotating assembly, the rotating assembly can drive the cutter assembly and the adjusting assembly to rotate, and the distance between the adjusting assembly and the cutter assembly is adjusted through the adjusting assembly so that the slicing thickness can be adjusted. According to the structure for accurately positioning the thickness of the slice, the thickness of the slice can be accurately adjusted through the adjusting assembly, so that the thickness of the slice is more uniform and more attractive, the appearance quality of a product is improved, meanwhile, waste of raw materials can be reduced through accurate control over the thickness of the slice, and the production cost is reduced; and meanwhile, the structure can realize rapid and automatic slicing of the meat, so that the slicing efficiency is greatly improved.

Disclosed is a food slicer, comprising: a base; a knife mounted to rotate relative to the base; a carriage assembly mounted to the base for reciprocating movement back and forth past the cutting edge of the knife; and an adjustable gauge plate mounted to move between a closed position preventing slicing and a plurality of open positions allowing slicing at respective thicknesses. A slice thickness identification system is provided, and slice thickness / graphics targeted for gauge plate position can be implemented.

The invention relates to the technical field of medical image processing, in particular to an image data anonymization processing method and system, and the method comprises the steps: carrying out the number comparison based on the check number of to-be-uploaded images and the statistical number of uploaded images, so as to generate a first result; performing relevance comparison on the project original data of each uploaded image to generate a second result; acquiring layer thickness data of each uploaded image, and judging layer thickness consistency based on the layer thickness data to generate a consistency result; selecting a corresponding analysis means based on the consistency result, and performing continuous comparison on the plurality of uploaded images based on the analysis means to generate a third result; and based on the first result, the second result and / or the third result, judging whether an exception before anonymity exists, and performing anonymization processing on the uploaded image when the exception before anonymity does not exist. The method and the device have the effect of analyzing the abnormity of the DICOM image uploading process in the complex scene before anonymization.

The utility model relates to the technical field of medicinal material slicing devices, in particular to a medicinal material slicing thickness control device with a self-adaptive adjusting function. The device further comprises a first motor, a mounting frame, a polished rod, a sliding ring, a slicing knife, an adjusting plate, a rotating rod, a second motor, a fixing ring, an interval adjusting block, a first electric push rod, a fixing frame, a first hydraulic push rod and a locking plate. Two supporting plates are welded to the upper end of the workbench. When the slicing thickness needs to be adjusted, a first hydraulic push rod is started to release locking of a slicing knife, a first electric push rod is used for driving a fixing frame to move, so that an interval adjusting block is separated from two adjusting plates, a second motor is started to rotate a rotating rod, the interval adjusting block of the appropriate specification is selected for replacement, and the first electric push rod is used again to drive the fixing frame; the selected interval adjusting block is placed between the two adjusting plates, and finally the two first hydraulic push rods are started to push the adjusting plates to extrude inwards, so that the adjusting plates make close contact with the interval adjusting block and are locked.