Abstract: 3D printing slicing methods, apparatuses, devices, and storage mediums are disclosed. In an embodiment, a 3D printing slicing method includes the following steps: (1) acquiring a 3D model and a target texture picture; (2) obtaining a first model and obtaining a first picture; (3) establishing a mapping set between the first model and the first picture; (4) slicing a target layer of the first model by a slice plane to obtain at least one intersection point; (5) looking up at least one mapping point corresponding to the at least one intersection point in the first picture according to the mapping set, and obtaining corresponding outer contour points by revising coordinates of the at least one intersection point; and (6) obtaining an outer contour boundary line of the target layer by connecting the outer contour points successively.

Abstract: Methods and systems for processing a graphic for light-cured printing, an electronic apparatus, and/or a storage medium are disclosed. In some embodiments, the method includes following steps: obtaining 3D model data of an object to be printed; slicing the 3D model data to obtain sliced data; converting the sliced data to a projected picture; and chunking the projected picture to obtain a plurality of exposed pictures. The plurality of exposed pictures are superimposed and intersected to have an exposed result of the projected picture. In other embodiments, the method includes following steps: placing a photosensitive resin in a material tray, placing a molding platform in the material tray, and placing a molding end surface of the molding platform in contact with the photosensitive resin; sending the plurality of exposed pictures to a bottom surface of the material tray; and curing a corresponding layer of photosensitive resin.

Abstract: Some embodiments of the disclosure provide a method for calibrating extrusion parameters in an additive manufacturing system. In some examples, the method includes the following steps. (1) Executing extrusion commands and printing a plurality of tracks based on one or more printing templates at different extrusion rates. (2) Scanning the plurality of tracks to obtain at least one image of the plurality of tracks. (3) Processing the at least one image of the plurality of tracks to obtain geometry information. (4) Generating a printing model based on the geometry information and the extrusion commands. (5) Evaluating the printing model. (6) If the printing error result is within the pre-defined threshold, adopting the printing model as a reference for choosing extrusion parameters at a given extrusion rate. (7) If the printing error result is not within the pre-defined threshold, repeating steps (1)-(6).

Abstract: Devices for heating graphite for a vacuum sintering furnace are disclosed. In some examples, the device includes a heating unit. The heating unit includes a heating conductive strip, a fixing conductive block, a connecting conductive strip, and an isolating column. The plurality of heating conductive strips are connected end-to-end through the fixing conductive block to form a closed frame. One end of the connecting conductive strip is fixedly connected to one of the fixing conductive blocks, and the other end thereof is a free end. One of the two heating conductive strips communicated with the fixing conductive block provided with the connecting conductive strip is connected to the fixing conductive block through the isolating column. The plurality of heating units are disclosed. The heating conductive strips of the plurality of heating units connected to the isolating column are electrically connected through the connecting heating block.

Abstract: A cloud-edge collaborative processing system includes: an edge computing system, an ICU diagnosis and treatment device, a service terminal device, and a cloud platform. The edge computing system collects multi-source heterogeneous medical data output from the ICU diagnosis and treatment devices and performs preprocessing, stores preprocessed data into an edge database, and connects to the cloud platform for data transmission and business interaction. The cloud platform connects to a plurality of edge computing systems to perform computation and processing of massive data. The medical-staff handheld terminals and the data terminals of wards are used to issue service instructions to the cloud platform to obtain the required third-party-business services.

Abstract: Disclosed are a method and system for generating a data analysis report of a multi-parameter monitoring device. The method includes: receiving, by an application server, multi-parameter data transmitted in real time by the multi-parameter monitoring device, and storing the received multi-parameter data in a database server; the application server receiving a report generation instruction transmitted by a client, the instruction including a client identifier used for indicating a permission of the client; if the permission is a first mode permission, transmitting the multi-parameter data to the client, to allow the client to process the multi-parameter data, so as to generate a multi-parameter analysis report and a report attachment; and if the permission is a second mode permission, the application server processing the multi-parameter data to generate the multi-parameter analysis report and the report attachment, and transmitting the multi-parameter analysis report and the report attachment to the client.

Abstract: The present application relates to a system and method for sharing data on a medical cloud platform based on third-party business. The system includes: a terminal device and a cloud platform. The cloud platform receives a massive quantity of vital-sign data that are sent by the terminal device, analyzes and processes the massive quantity of vital-sign data by using the deep-learning framework of distributed parallel computation, screens abnormal data, and sends an abnormal-event warning to the user, to prompt the medical care personnel to quickly intervene.

Abstract: 3D printing slicing methods, apparatuses, devices, and storage mediums are disclosed. In an embodiment, a 3D printing slicing method includes the following steps: (1) acquiring a 3D model and a target texture picture; (2) obtaining a first model and obtaining a first picture; (3) establishing a mapping set between the first model and the first picture; (4) slicing a target layer of the first model by a slice plane to obtain at least one intersection point; (5) looking up at least one mapping point corresponding to the at least one intersection point in the first picture according to the mapping set, and obtaining corresponding outer contour points by revising coordinates of the at least one intersection point; and (6) obtaining an outer contour boundary line of the target layer by connecting the outer contour points successively.

Abstract: Methods, systems, and storage media for controlling a fast-moving path of a printer nozzle. In some embodiments, a method for controlling fast movement of a printer nozzle includes the following steps. (1) Obtaining a start position and an end position. The start position is a position of a fast-moving start point of the printer nozzle, and the end position is a position of a fast-moving end point of the printer nozzle. (2) Determining an optimal fast-moving path on a horizontal plane corresponding to a slice of a print target according to the start position and the end position, so that a length of the fast-moving path outside a polygon in the slice is the shortest. (3) Controlling the printer nozzle to move relative to a base of the printer according to the optimal fast-moving path on the horizontal plane.

Abstract: Some embodiments of the disclosure provide a flatness detection device. In an embodiment, the flatness detection device includes a back plate, an electromagnet, a cross beam, a probe, and a limiting frame. The limiting frame and the electromagnet are provided side by side on the back plate. The cross beam is located above the limiting frame and the electromagnet. The probe vertically penetrates the cross beam and the limiting frame. A spring is provided between the cross beam and the electromagnet. The spring is movable in a vertical direction by a guide, the movement being at least one of compression and extension.

Abstract: 3D printing slicing methods, apparatuses, devices, and storage mediums are disclosed. In an embodiment, a 3D printing slicing method includes the following steps: (1) acquiring a 3D model and a target texture picture; (2) obtaining a first model and obtaining a first picture; (3) establishing a mapping set between the first model and the first picture; (4) slicing a target layer of the first model by a slice plane to obtain at least one intersection point; (5) looking up at least one mapping point corresponding to the at least one intersection point in the first picture according to the mapping set, and obtaining corresponding outer contour points by revising coordinates of the at least one intersection point; and (6) obtaining an outer contour boundary line of the target layer by connecting the outer contour points successively.

Abstract: Disclosed are methods and systems for optimizing printing of a ceramic isolation layer. In some embodiments, the method includes the following steps: preparing a workpiece before printing; printing the workpiece by an optimal printing solution, the optimal printing solution satisfying a setting of key data when printing the ceramic isolation layer; and processing the workpiece after printing to obtain a finished workpiece. In other embodiments, the optimal printing solution is determined by the following steps: printing and processing the ceramic isolation layer and the workpiece isolated by the ceramic isolation layer for multiple times; adjusting the key data by determining a strength of the ceramic isolation layer after printing and deformation data of the workpiece; selecting the ceramic isolation layer parameters and the printing parameters; and taking the setting of the key data as the optimal solution when the deformation data reaches a preset threshold.

Abstract: 3D printing slicing methods, apparatuses, devices, and storage mediums are disclosed. In an embodiment, a 3D printing slicing method includes the following steps: (1) acquiring a 3D model and a target texture picture; (2) obtaining a first model and obtaining a first picture; (3) establishing a mapping set between the first model and the first picture; (4) slicing a target layer of the first model by a slice plane to obtain at least one intersection point; (5) looking up at least one mapping point corresponding to the at least one intersection point in the first picture according to the mapping set, and obtaining corresponding outer contour points by revising coordinates of the at least one intersection point; and (6) obtaining an outer contour boundary line of the target layer by connecting the outer contour points successively.

Abstract: Disclosed are methods and systems for optimizing printing of a ceramic isolation layer. In some embodiments, the method includes the following steps: preparing a workpiece before printing; printing the workpiece by an optimal printing solution, the optimal printing solution satisfying a setting of key data when printing the ceramic isolation layer; and processing the workpiece after printing to obtain a finished workpiece. In other embodiments, the optimal printing solution is determined by the following steps: printing and processing the ceramic isolation layer and the workpiece isolated by the ceramic isolation layer for multiple times; adjusting the key data by determining a strength of the ceramic isolation layer after printing and deformation data of the workpiece; selecting the ceramic isolation layer parameters and the printing parameters; and taking the setting of the key data as the optimal solution when the deformation data reaches a preset threshold.

Abstract: Methods, systems, and storage media for controlling a fast-moving path of a printer nozzle. In some embodiments, a method for controlling fast movement of a printer nozzle includes the following steps. (1) Obtaining a start position and an end position. The start position is a position of a fast-moving start point of the printer nozzle, and the end position is a position of a fast-moving end point of the printer nozzle. (2) Determining an optimal fast-moving path on a horizontal plane corresponding to a slice of a print target according to the start position and the end position, so that a length of the fast-moving path outside a polygon in the slice is the shortest. (3) Controlling the printer nozzle to move relative to a base of the printer according to the optimal fast-moving path on the horizontal plane.

Abstract: 3D printing slicing methods, apparatuses, devices, and storage mediums are disclosed. In an embodiment, a 3D printing slicing method includes the following steps: (1) acquiring a 3D model and a target texture picture; (2) obtaining a first model and obtaining a first picture; (3) establishing a mapping set between the first model and the first picture; (4) slicing a target layer of the first model by a slice plane to obtain at least one intersection point; (5) looking up at least one mapping point corresponding to the at least one intersection point in the first picture according to the mapping set, and obtaining corresponding outer contour points by revising coordinates of the at least one intersection point; and (6) obtaining an outer contour boundary line of the target layer by connecting the outer contour points successively.

Abstract: A method for adjusting height of a 3d printer nozzle. In an embodiment, the method uses a fully wavy line as a reference line. The method includes the following steps. Determining an initial value of a height difference between the nozzle and a bottom of a probe by using a feeler gauge. Moving the nozzle vertically to adjust the height based on the initial value, obtaining a printing height of a first line, and printing the first line. Determining whether the first line is a fully wavy line. Adjusting the height of the nozzle for N times according to a preset step value, and printing N lines with corresponding heights. Determining whether the N lines have a fully wavy line. Calculating the height difference between the nozzle and the bottom of the probe by an equation. Adjusting the height of the nozzle.

Abstract: Extruder calibration methods and systems for a dual-extruder 3D printer are disclosed. In an embodiment, an extruder calibration method for a dual-extruder 3D printer having a left extruder and a right extruder includes the following steps: (1) building up a rectangular coordinate system on a heat bed of a 3D printer; (2) obtaining a first offset by calculating an offset between the left extruder and the right extruder in an X-axis direction; (3) obtaining a second offset by calculating an offset between the left extruder and the right extruder in a Y-axis direction; and (4) calibrating the left extruder and the right extruder according to the first offset and the second offset.

Abstract: Some embodiments of the disclosure provide a flatness detection device. In an embodiment, the flatness detection device includes a back plate, an electromagnet, a cross beam, a probe, and a limiting frame. The limiting frame and the electromagnet are provided side by side on the back plate. The cross beam is located above the limiting frame and the electromagnet. The probe vertically penetrates the cross beam and the limiting frame. A spring is provided between the cross beam and the electromagnet. The spring is movable in a vertical direction by a guide, the movement being at least one of compression and extension.