Abstract: A printing head module including a body, a feeding roller assembly and a feeding sensor is provided. The body includes a material-supplying channel and a nozzle connected to the material-supplying channel. The feeding roller assembly is disposed at the material-supplying channel to transmit the modeling material to the nozzle. The feeding sensor is disposed at the feeding roller assembly to detect whether the feeding roller assembly rotates. The feeding sensor is coupled to a control unit, such that the control unit generates a notice according to a detection result of the feeding sensor.

Abstract: A filament-fusing apparatus includes a first body, a first-heating element, a second body and a second-heating element. The first body includes a first surface and a first-filament groove disposed thereon. The first-heating element disposed on the first surface has a first-connecting groove and a first-overflow groove. Two opposite sides of the first-connecting groove connect the first-filament groove. An axial side of the first-connecting groove connects the first-overflow groove. The second body includes a second surface and a second-filament groove disposed thereon. The second-heating element disposed on the second surface has a second-connecting groove and a second-overflow groove. Two opposite sides of the second-connecting groove connect the second-filament groove. An axial side of the second-connecting groove connects the second-overflow groove.

Abstract: A heating control apparatus and a control method thereof are provided. The heating control apparatus includes a heating module, a temperature sensing module, a pulse width modulation circuit, and a comparator. Input terminals of the comparator are respectively coupled to the temperature sensing module and the pulse width modulation circuit, and an output terminal of the comparator is coupled to the heating module. In the control method, a heating temperature of the heating module is sensed by the temperature sensing module, so as to provide a temperature sensing signal. The comparator receives the temperature sensing signal and a pulse width modulation signal generated by the pulse width modulation circuit and compares the temperature sensing signal and the pulse width modulation signal to generate a comparing pulse width modulation signal, so as to control the heating temperature of the heating module by using the comparing pulse width modulation signal.

Abstract: A three-dimensional (3-D) printing apparatus including a base, a printing head module and a control unit is provided. The base has a carrying surface. The printing head module is disposed above the base. The printing head module includes a body and a discharge outlet switching component. The body includes a material supplying channel. The discharge outlet switching component is movably disposed at the body. The discharge outlet switching component includes a plurality of discharge outlets. Diameters of the discharge outlets are different from each other. The control unit is configured to choose one of the discharge outlets according to the diameters and connect the chosen discharge outlet to the body, such that the material supplying channel is connected to the corresponding discharge outlet.

Abstract: A three-dimensional printing method for forming a three-dimensional object on a base is provided. The method comprises providing a model library comprising at least one supporting member, selecting the at least one supporting member from the model library and disposing the at least one supporting member onto the base. The three-dimensional object is printed over the base and the at the least supporting member, and the three-dimensional object has an overhanging portion relative to the base and the at least one supporting member is filled between the overhanging portion and the base.

Abstract: A three-dimensional (3D) scanner including a light-source module, a screen, a rotary platform, an image capturing unit and a process unit is provided. The light source module is configured to emit a beam. The screen disposed on a transmission path of the beam has a projection surface facing the light source module. The rotary platform carrying a 3D object is disposed between the light source module and the screen. The 3D object is rotated to a plurality of object orientations about a rotating axis to form a plurality of object shadows on the projection surface. The image capturing unit is configured to capture the object shadows from the projection surface to obtain a plurality of object contour images. The process unit is configured to read and process the object contour images to build the digital 3D model related to the 3D object according to the object contour images.

Abstract: A three-dimensional (3D) apparatus including a processing unit, a base and a printing head is provided. The processing unit is configured to read and process digital 3D model information. The base is coupled to and controlled by the processing unit. The base includes a plurality of heating regions. The processing unit is configured to selectively heat at least one of the heating regions according to the digital 3D model information. The printing head is disposed above the base. The printing head is coupled to and controlled by the processing unit to dispense a thermal melting material layer-by-layer on the heated heating region to form a 3D object related to the digital 3D model information.

Abstract: A three-dimensional printing apparatus is provided. The three-dimensional printing apparatus includes a tank, a movable platform, a light source, a detection module, and a control unit. The tank is filled with a liquid forming material, and the movable platform is movably disposed above the tank. The light source is disposed below the tank and configured to project light on the liquid forming material so as to form a three-dimensional object layer by layer on the movable platform. The detection module is disposed above the tank and includes a signal emitter and a signal receiver. The signal emitter is configured to emit a detection signal. The control unit activates an error-detection mechanism and controls the movable platform to move toward the detection module. The control unit determines whether the three-dimensional object is abnormal based on whether the detection signal is detected by the signal receiver.

Abstract: A three-dimensional (3D) printing structure that includes an object and a support member is provided. The support member is located on one side of the object to support the object. The support member includes a plurality of support bricks and a filler. The support bricks are stacked together. A first portion of the filler fills the space among the support bricks, and a second portion of the filler fills the space between the object and the support bricks adjacent to the object. Accordingly, the support member of the 3D printing structure is able to support the object, and thus the object can be formed through 3D printing.

Abstract: A method of three-dimensional printing of the disclosure is used to form a three-dimensional object stacked by a plurality of layers of object unit. The method of three-dimensional printing includes: forming and curing a layer of uncolored body; forming a color layer at the contour of the layer of uncolored body so that the layer of uncolored body and the color layer form a layer of object unit; and forming a cover layer at the contour of the layer of object unit so that the color layer is located between the layer of uncolored body and the cover layer.

Abstract: A three dimensional printing apparatus including a base, a tank, a modeling platform, and a plurality of floating units is provided. A liquid forming material is filled in the tank. Each of the floating units connects between the base and the tank, such that the tank is disposed on the base in floating manner. The modeling platform is movably immersed in the liquid forming material. A three dimensional object is formed and adhered between the modeling platform and a bottom of the tank. The modeling platform drives and tilts the tank to move out of the base by the three dimensional object, such that the three dimensional object is released from the bottom of the tank by gravity.

Abstract: A three-dimensional printing apparatus including a swing tank containing a liquid formation material, a swing mechanism, an elevating platform, a light source and a control unit is provided. The swing tank includes a pivot side and a swing side adapted to be swung about the pivot side. The swing mechanism includes a cam and a driving motor. The cam leans against the swing side for swinging the same. The elevating platform and the light source are respectively disposed above and below the swing tank. The control unit controls the elevating platform to immerge into the liquid formation material. The light source cures the liquid formation material between the elevating platform and the bottom of the swing tank. The control unit then controls the swing mechanism to swing the swing side, so the cured liquid formation material is separated from the bottom and located on the elevating platform.

Abstract: A three-dimensional printing apparatus including a tank, a moving platform, a light source disposed below the tank, a detecting unit and a control unit is provided. The tank is filled with a liquid forming material and a separating liquid, wherein the specific density of the separating liquid is larger than the specific density of the liquid forming material, so that the separating liquid sinks between the tank and the liquid forming material. The control unit controls an initial depth at which the moving platform immerses into the liquid forming material, so as to form a three-dimensional object. A three-dimensional printing apparatus is also provided, wherein the light source thereof is disposed above the tank, and the specific density of the liquid forming material is larger than the specific density of the separating liquid, so that the liquid forming material sinks between the tank and the separating liquid.

Abstract: A three dimensional printing apparatus including a tank, a modeling platform, a first optical element, a second optical element, and a light source is provided. The modeling platform is movably disposed above the tank so as to move in or out the tank. The first and the second optical elements are respectively disposed next to the tank, wherein the second optical element is located above the first optical element. The light source is located below the tank. After a three dimensional object is formed on the modeling platform, the three dimensional object is moved out of the tank by the modeling platform. A first light generated by the light source is sequentially transmitted by the first and the second optical elements and detour round tank to irradiate the three dimensional object.

Abstract: A printing head module includes a bracket, a plurality of printing heads, a pivot shaft, a wiper unit, and a control unit. The bracket includes a plurality of through holes. The printing heads are parallelly aligned with each other, each of the printing heads a nozzle for extruding the modeling material. The pivot shaft connected to the bracket is adapted to rotate the printing heads to a target position. The wiper unit includes a holder, a plurality of wipers, and a wiper opener. The holder is connected to the pivot shaft to be rotated with the bracket and the printing heads. The wipers rotatably connected to the holder and disposed correspondingly to the openings. The wiper opener is disposed at the target position to interfere with the wiper rotated to the target position, so as to drive the corresponding wiper to rotate to the opening position.

Abstract: A material level detecting mechanism of three-dimensional system includes a bracket, a printing head, first piston, a second piston, a first detecting unit and a second detecting unit. The bracket includes an aligner holder and a supporter. The printing head detachably located in the aligner holder, and including a nozzle with an outlet for extruding the modeling material. The first piston includes a piston rod attached to a piston head, and the second piston slidably located inside the cartridge is adapted to be pushed by the first piston toward the direction of the outlet. The first detecting unit is adapted to detect the home position of the first piston and the second detecting unit is adapted to detect the touching of the first piston and the second piston which provide the initial amount of material present in the cartridge which is subject to print.

Abstract: A three-dimensional printing apparatus including a tank filled with a liquid-state forming material, a platform disposed at the tank, a rotating shaft, a rotating arm, and at least one light source is provided. The rotating shaft is disposed under the tank or above the tank. The rotating arm connects to the rotating shaft such that the rotating arm is driven by the rotating shaft to rotate. The light source disposed on the rotating arm rotates along with the rotating arm and generates light projecting toward the forming material along with the part of the platform moving in the forming material, such that the forming material is solidified in layers and forms a three-dimensional object on the platform.

Abstract: A printing head module includes a bracket, a locking mechanism disposed on the bracket and a printing head. The bracket includes a containing cavity and a supporter. The locking mechanism includes a pressing component fixed to the supporter, a locking component and an elastic component. The locking component pivoted to the pressing component such that the elastic component leans therebetween. The locking component has a first positioning portion. The printing head detachably disposed in the containing cavity includes a second positioning component. The first positioning portion is engaged with the second positioning component, so the elastic component is pressed to provide the locking component a restoring force away from the pressing component to confine the printing head between the locking component and the bracket.