Abstract: A 3D printing head having a carrier, a pair of nozzle assemblies, a swing arm and a driving mechanism is provided. The nozzle assemblies are arranged on the carrier. Each nozzle assembly has a nozzle and a reset elastic member. Each nozzle is connected to the carrier and up-down movable relative to the carrier. The reset elastic members are connected between the carrier and the respective corresponding nozzles. The swing arm is pivoted on the carrier and able to swing one end thereof between the nozzles to selectively press one of the nozzles down. The driving mechanism is connected with the swing arm to rotate the swing arm. The swing arm can be rotated by the driving mechanism to press the operated nozzle down for printing, and a height difference between the nozzles is thereby formed to prevent the product from being scratched by the idle nozzle when printing.

Abstract: The present disclosure provides a feed module, which is applicable to an electronic device, for example, a multi-function product/printer/peripheral or printer and the like. The feed module comprises a carrier tray, a clamping piece, a first sensor and a control unit. A document is suitable for being placed on the carrier tray, and is driven by the feed module to be transferred into the multi-function product/printer/peripheral or printer. The clamping piece is movably assembled on the carrier tray. The first sensor senses the position of the clamping piece on the carrier tray. The control unit is electrically connected with the first sensor. After the document is placed on the carrier tray and clamped by the clamping piece, the control unit determines the width of the document by the first sensor.

Abstract: The present invention provides a multi-function printer, including a main body, a cover, and a hinge structure. The hinge structure includes a positioning component and a pivoting member. The positioning component is connected to the main body. The pivoting member is connected to the cover and is pivotally connected to the positioning component. The pivoting member is adapted to pivot to a first state so that the cover is closed on the main body and pivot to a second state so that the cover is opened from the main body. The pivoting member includes at least one positioning portion. When the pivoting member pivots to a third state between the first state and the second state, the pivoting member is positioned to the positioning component by the at least one positioning portion.

Abstract: A method for three-dimensional printing is provided. The method includes: determining whether a first bracket is going to collide with a second bracket when a first control command corresponding to a first print head among a plurality of control commands and a second control command corresponding to a second print head among the plurality of control commands are executed simultaneously. If yes, execution of the first control command is suspended to stop a printing operation performed by the first print head, and the second control command is executed so that the second print head performs the printing operation according to the second control command.

Abstract: A heat sink for a 3D printer includes a storage tank, a pipe loop, a pump, a heat dissipation unit, and a release film. The storage tank is configured to contain a printing material. The pipe loop is connected to the storage tank. The pump is connected to the pipe loop and configured to pump the printing material from the storage tank, so that the printing material circulates through the pipe loop. The heat dissipation unit is connected to the pipe loop. The printing material is pumped into the pipe loop, then subjected to heat dissipation by the heat dissipation unit, and re-injected into the storage tank successively. The release film is disposed at a bottom of the storage tank.

Abstract: A 3D print head includes a carrier connected with a horizontal slide rail, a pair of nozzle assemblies disposed on the carrier, a swing arm and a push rod. Each nozzle assembly includes a nozzle and an elastic member, and movably coupled to the carrier and capable of raising and lowering relative to the carrier. Each elastic member is connected between the carrier and the corresponding nozzle to raise the nozzle relative to the carrier. The swing arm is pivoted to the carrier, and one end there of can be moved between the nozzles to push one of the nozzles down. The push rod is extended from the swing arm. While the carrier moving along the horizontal slide rail, the push rod can be pushed to rotate the swing arm to push the print nozzle down, thus the product can be prevented from scratching by another idle nozzle while printing.

Abstract: The present invention provides a multi-function printer, including a main body, a cover, and a hinge structure. The hinge structure includes a positioning component and a pivoting member. The positioning component is connected to the main body. The pivoting member is connected to the cover and is pivotally connected to the positioning component. The pivoting member is adapted to pivot to a first state so that the cover is closed on the main body and pivot to a second state so that the cover is opened from the main body. The pivoting member includes at least one positioning portion. When the pivoting member pivots to a third state between the first state and the second state, the pivoting member is positioned to the positioning component by the at least one positioning portion.

Abstract: The present disclosure provides a feed module, which is applicable to an electronic device, for example, a multi-function product/printer/peripheral or printer and the like. The feed module comprises a carrier tray, a clamping piece, a first sensor and a control unit. A document is suitable for being placed on the carrier tray, and is driven by the feed module to be transferred into the multi-function product/printer/peripheral or printer. The clamping piece is movably assembled on the carrier tray. The first sensor senses the position of the clamping piece on the carrier tray. The control unit is electrically connected with the first sensor. After the document is placed on the carrier tray and clamped by the clamping piece, the control unit determines the width of the document by the first sensor.

Abstract: The disclosure provides a 3D printing method and a 3D printing apparatus using the same. The 3D printing method includes the following steps: feeding a material using a printing parameter, wherein the printing parameter includes a target temperature and a target feeding rate; adjusting the printing parameter to change the heat energy provided to the printing filament per unit length; determining whether the target feeding rate matches the actual feeding rate according to the adjusted printing parameter to obtain a determination result; obtaining a correspondence relationship between the plurality of target temperatures and the plurality of target feeding rates according to the adjusted printing parameters and the determination results; and setting the printing parameter to print according to the obtained correspondence relationship.

Abstract: A printing module and a 3D printing apparatus including a frame having a printing area and a standby area and a control module are provided. The printing module includes a carriage assembly disposed on the frame and electrically connected to the control module, a first base disposed on the carriage assembly and having a first latch movably disposed along a first axial direction, a fixing frame disposed in the standby area and having a first stopping portion and a second stopping portion arranged along the first axial direction, a second base movably disposed in the standby area along the first axial direction and located between the first stopping portion and the second stopping portion and having a second latch movably disposed along the first axial direction, and a printing head assembly having a first latching portion and a second latching portion disposed along a second axial direction.

Abstract: A 3D printed product post-processing device includes a main body, a lifting mechanism and a vacuum pipeline. An operating chamber is defined in the main body. A cavity and at least one primary recovery opening disposed adjacent to a side of the cavity are defined on a bottom surface of the operating chamber. At least one access hole is arranged on one side of the operating chamber and an operating window is arranged on the operating chamber. A floating powder recovery opening is arranged on top of the other side of the operating chamber. The lifting mechanism is accommodated in the cavity. The vacuum pipeline is respectively connected to the primary recovery opening and the floating powder recovery opening. The floating powders are removed through the floating powder recovery opening to maintain the operating window clean. Therefore, a post-processing operation can be facilitated.

Abstract: A 3D printing system includes a tank filled with a liquid forming material; a platform movably disposed above the tank; a lighting module including a plurality of LEDs disposed below the tank and used for providing light projecting toward the liquid forming material, and a controlling module coupled to the lighting module and configured to drive the lighting module to generate light that is focused onto a focus plane between the platform and the tank and having a certain distance with the bottom of the tank for solidifying the liquid forming material on the focus plane to form a cross-sectional layer, wherein the controlling module uses the brightness of one of the LEDs as a basis for varying that of the other LEDs, so that the liquid forming material solidified in single (scanning) procedure can have approximately the same hardness.

Abstract: A three-dimensional (3D) printing system including a control module, at least one moving module, a particle-type 3D printing nozzle and a coil-type 3D printing nozzle is provided. The moving module, the particle-type 3D printing nozzle and the coil-type 3D printing nozzle are respectively and electrically connected to the control module, and the particle-type 3D printing nozzle and the coil-type 3D printing nozzle are disposed on the at least one moving module. The control module moves the particle-type 3D printing nozzle or the coil-type 3D printing nozzle through the at least one moving module, and drives the particle-type 3D printing nozzle or the coil-type 3D printing nozzle to perform a 3D printing operation to print a 3D object.

Abstract: A method of dynamically adjusting a lifting parameter applied to a stereolithography 3D printer is provided. The method is to retrieve a printing area value of each layer of the sliced physical models and the corresponding lifting parameter after completion of printing this layer of the sliced physical model, and lift a curing platform of the stereolithography 3D printer according to the lifting parameter defining a time period for lifting for peeling this layer of the sliced physical model from a material tank, the time period is not less than a backfilling time for light-curable materials. Therefore, the time for 3D printing can be effectively reduced, and the efficiency of 3D printing can be improved as well.

Abstract: A three-dimensional printing apparatus and a three-dimensional printing method are provided. The three-dimensional printing apparatus includes a tank, an injection module, a platform movably disposed above the bottom of the tank, a curing module, and a control module. The tank has a forming area and a separating area in a stepped manner on a bottom thereof, and the forming area is higher than the separating area. The injection module includes a storage tank and an injection pipe connected thereto, and a forming material is filled therein to be applied to the forming area. The curing module is disposed beside the tank or the platform to cure the forming material between the platform and the forming area to be a curing layer. The control module is electrically connected to the injection module, the curing module, and at least one of the tank and the platform to perform a relative movement.

Abstract: A 3D printing method for binary stereolithography 3D printer includes following steps of: controlling a binary stereolithography 3D printer (20) to retrieve a plurality of gray-scale slice images (802,822,842); mapping a pixel value of each pixel of each gray-scale slice images (802,822,842) from a pixel value full range to an accumulation value range for obtaining a printing parameter of each pixel; selecting one of the gray-scale slice images (802,822,842) orderly; controlling a binary lighting module (204) of the binary stereolithography 3D printer (20) to irradiate for generating a layer of physical slice model (320,322,340,342) according to the printing parameter of each pixel of the selected gray-scale slice image (802,822,842); and repeatedly executing aforementioned steps to generate a physical 3D model (8?) constituted by a stack of multiple of the physical slice models (320,322,340,342).

Abstract: A coloring nozzle cleaning assembly is used to clean a coloring nozzle of a 3D printing device. The coloring nozzle cleaning assembly includes a cleaning tank, a movable scraper and a liquid-absorbent interference member. The cleaning tank includes an opening and receives a cleaning liquid inside. The movable scraper has a contact end placed inside the cleaning tank and immersed in the cleaning liquid, and the contact end can be moved out of the cleaning tank through the opening to scrape against the coloring nozzle. The liquid-absorbent interference member is disposed within an area of the opening, and is located over a liquid level of the cleaning liquid and interferes with a movement course of the movable scraper. Excess cleaning liquid adhered to the movable scraper is absorbed by the liquid-absorbent interference member before the movable scraper cleans the coloring nozzle.

Abstract: A method for three-dimensional printing for forming a three-dimensional structure on a moving platform is provided. The three-dimensional structure includes a shell portion and a foamy filling portion. The method includes the following: a digital shell model of the three-dimensional structure is built. Next, the digital shell model is sliced into a plurality of cross-section information. Next, a corresponding liquid forming material is cured on the moving platform according to the cross-section information to form a plurality of shell layers. Next, foaming process is performed on the liquid forming material to form a foamy forming material. Next, the foamy forming material located within the corresponding shell layers is cured to form a plurality of foamy filling layers. Afterward, the shell layers and the foamy filling layers are alternately formed on the moving platform and stacked to form the three-dimensional structure. A three-dimensional printing apparatus adopting the method is also provided.

Abstract: A computation apparatus, a cardiac arrhythmia assessment method thereof and a non-transitory computer-readable recording medium are provided. In the method, electrocardiography (ECG) signal is obtained. Whether the ECG signal is conformed to a first abnormal rhythm symptom is determined. Then, whether the ECG signal is conformed to a second abnormal rhythm symptom different from the first abnormal rhythm symptom is determined based on the determined result of the first abnormal rhythm symptom. Accordingly, multiple abnormal rhythm assessments are integrated, the subsequent assessment is speeded-up and optimized according to the determined result of a previous assessment, so as to enable to implement on a handheld apparatus.

Abstract: A cleaning mechanism of a 3D printer including a cleaning module, a first wiper, a second wiper, and a carrier is provided. The cleaning module has a top plane. The first wiper is arranged corresponding to the cleaning module and protruding beyond the top plane. The second wiper is arranged on the cleaning module and protruding beyond the top plane. The carrier is connected to a rail and suspended above the cleaning module. A modeling nozzle corresponding to the first wiper and a painting pen corresponding to the second wiper are arranged on the carrier and movable. The modeling nozzle and the painting pen are arranged respectively aligned to the first wiper and the second wiper. The modeling nozzle is allowed to move pass the first wiper and bypass the second wiper. The painting pen is allowed to move pass the second wiper and bypass the first wiper.