Kinpo Electronics, Inc.

Xyzprinting, Inc.

Cal-comp Electronics & Communications Company Limited

Ming-Hsiung Ding

Tsung-Hua Kuo

Peng-Yang Chen

Wen-Ten Lin

Wei-Chun Jau

Hung-Peng Kang

Chung-Kung Chu

Ching-Yuan Chou

Chung-Yen Gir

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.

Three-dimensional printing system

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.

Three-dimensional printing apparatus and method for three-dimensional printing

A multiple light source correction apparatus and a method of use thereof are disclosed. The multiple light source correction apparatus () comprises a transparent thin plate () having a first correction pattern (), a second correction pattern () and at least one third correction pattern (). The first correction pattern () includes a first straight line () having first and second end points (). The second correction pattern () includes a second straight line () and two U-shaped frames (). The second straight line () includes third and fourth end points (). The two U-shaped frame () is installed at externals of the third and fourth end points () respectively. The third correction pattern () includes a third straight line () having fifth and sixth end points (). The first, second and third straight lines () are arranged parallel to each other.

Multiple light source correction apparatus and method of use thereof

A photocuring type 3D printer () includes a sink () for containing a forming liquid (), a glass layer () disposed on the sink (), a membrane () disposed above the glass layer (), an emitting unit () disposed below the sink (), and a forming platform () arranged to immerse in the forming liquid () for constructing a model (). The 3D printer () further includes an adjusting unit () disposed at one side of the sink (). One end of the membrane () is connected to the adjusting unit (), and another end of the membrane () is connected to the other side of the sink () opposite to the adjusting unit (). The 3D printer () controls the adjusting unit () to execute homing for tightening the membrane () before solidifying the model () and controls the adjusting unit () to move for relaxing the membrane () after the model () is solidified, and controls the forming platform () to move after the membrane () is relaxed for peeling the model () from the membrane ().

Photocuring type 3D printer and peeling method for using the same

A 3D object forming device and a method thereof are provided. The device includes a tank used for containing a liquid forming material. A light source irradiates the liquid forming material to cure a 3D object layer-by-layer on a moving platform. In the irradiation process, when a target position currently irradiated by the light source is located on a first layer next to the moving platform, the light source is maintained to an original intensity; when the target position is not located on the first layer next to the moving platform, and when it is determined that a non-cured hollow layer exists in a predetermined number of layers at one side of the target position opposite to the light source according to the slicing data, the intensity of the light source is correspondingly decreased according to the number of layers between the hollow layer and the target position.

Three-dimensional object forming device and method thereof

An automotive intraoral scanner applied in a mouth includes a biting piece, a track piece and at least one mobile image processing set. The biting piece is sandwiched between two rows of teeth. The track piece is installed in the biting piece and disposed corresponding to the rows of teeth, and a shape of the track piece is similar to a shape of the rows of teeth. The mobile image processing set is installed on the track piece and moved along the track piece, and the mobile image processing set is disposed corresponding to the rows of teeth. Therefore, the automotive intraoral scanner has advantages of easy operation.

Oral automatic scanner

A method for detecting a characteristic of a forming material and a three-dimensional printing apparatus are provided. The three-dimensional printing apparatus includes a tank filled with a liquid forming material, and the method includes the following. The tank is controlled to swing to cause a wave motion on a liquid surface of the liquid forming material. The wave motion of the liquid forming material is detected to obtain detection waveform information. The detection waveform information and sample waveform information are compared with each other to obtain a characteristic comparison result. A predefined operation is executed according to the characteristic comparison result.

Method for detecting characteristic of forming material and three-dimensional printing apparatus

A forming device for a three-dimensional printing machine is connected to a height adjusting mechanism of the three-dimensional printing machine, and is driven by the height adjusting mechanism to move vertically. The forming device includes an universal joint, a forming platform, a coupling shaft interconnecting the universal joint and the forming platform, and a clamping mechanism. The clamping mechanism includes a clamping arm adapted to interconnect the height adjusting mechanism and the universal joint, and having first and second arm portions movable relative to each other between a locking state to tightly clamp the universal joint, and a releasing state to release the universal joint so that the forming platform is movable relative to the clamping mechanism.

Forming device for three-dimensional printing machine, and a three-dimensional printing machine

A three-dimensional printing apparatus and a printing method thereof are provided. The three-dimensional printing apparatus includes a tank, a movable platform, a light source module, and a controller. The bottom of the tank includes an irradiated area and a non-irradiated area. The movable platform is movably disposed above the tank. The light source module is disposed under the tank and only provides light to the irradiated area to irradiate a liquid-formation material. The controller controls the movable platform to move along a first axis direction, such that at least one layer object of a three-dimensional object is cured on the movable platform layer by layer. The layer object is composed of object sections. During a period of forming one layer object, the controller controls the movable platform to move on a horizontal plane, such that the object sections of the layer object are cured sequentially above the irradiated area.

Three dimensional printing apparatus and printing method thereof

A three-dimensional (3D) printing module including a tank filled with a liquid forming material, a top cover assembled on the tank to close the tank, a modeling platform assembled to the cover, and a first tenon movably disposed in the cover is provided. The modeling platform is immersed in the liquid forming material in the tank. When the first tenon is driven along a second axis, the cover and the modeling platform are driven along a first axis to open the tank. A 3D printing apparatus is also provided.

Three-dimensional printing module and three-dimensional printing apparatus using the same

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.

Three-dimensional printing method

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.

Three dimensional printing apparatus

A printing system and a data transmission method thereof are provided. The printing system includes a peripheral unit and a controller. The peripheral unit is configured to execute a data printing function and includes a digital data. The controller is coupled to the peripheral unit. The controller converts a digital control command to obtain an analog control signal, and transmits the analog control signal to the peripheral unit. The peripheral unit converts the analog control signal into the digital control command when the analog control signal is received by the peripheral unit. The peripheral unit converts a corresponding digital data into an analog signal according to the digital control command to transmit the analog signal to the controller.

Printing system and data transmission method thereof

A power transmission switching mechanism for office machine. The power transmission switching mechanism has simple structure and enables the office machine to commonly use a motor to execute scanning and printing works. The power transmission switching mechanism includes a rotary shaft, a drive gear mounted on the rotary shaft, an actuator reciprocally movable on the rotary shaft and a driving gear for transmitting power of a motor to the drive gear. The drive gear has an spline. The actuator can be selectively moved forward or backward to make the spline disengaged from a first gear mounted on the rotary shaft or engaged with the first gear. When the spline is disengaged from the first gear, the power of the motor is transmitted to a scanning module. When the spline is engaged with the first gear, the power of the motor is transmitted to the rotary shaft for printing work.

Power transmission switching mechanism for office machine

A power transmission switching mechanism for office machine is provided. The power transmission switching mechanism has simple structure and enables the office machine to commonly use a motor to execute scanning and printing works. The power transmission switching mechanism includes a rotary shaft, a drive gear mounted on the rotary shaft, an actuator reciprocally movable on the rotary shaft and a driving gear for transmitting power of a motor to the drive gear. The drive gear has a spline. The actuator can be selectively moved forward or backward to make the spline disengaged from a first gear mounted on the rotary shaft or engaged with the first gear. When the spline is disengaged from the first gear, the power of the motor is transmitted to a scanning module. When the spline is engaged with the first gear, the power of the motor is transmitted to the rotary shaft for printing work.

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Taipei, Taiwan

Ming-Hsiung Ding