Seiko Epson Corporation

Satoshi Yamazaki

Toshiaki Kakutani

Kohei Utsunomiya

Yuko Yamamoto

Kohei Yuwaki

Akito Sato

Teruyuki Takata

Keiko Yamada

Shinichi Arazaki

Nobuaki Ito

Makoto Fujino

Yoshifumi Arai

Tsuyoshi Sano

Toru Takahashi

Koichi Saito

Kazuyoshi Tanase

Kazuhide Nakamura

Tomonaga Hasegawa

Shuichi Kataoka

Yoshihiko Matsuzawa

Koichi Yoshizawa

Shunsuke Mizukami

Takuya Wakayama

A three-dimensional shaped article manufacturing method by using a flow rate adjustment mechanism to control a discharge start and a discharge stop of a shaping material discharged from a discharge unit and stacking the shaping material includes generating intermediate data including a partial route that is a route along which the discharge unit moves while continuously discharging the shaping material, and a moving speed of the discharge unit on the partial route, generating shaping data based on the intermediate data, and controlling the discharge unit according to the shaping data and shaping the three-dimensional shaped article. The moving speed is changed such that a control time required to control the flow rate adjustment mechanism on the partial route is equal to or shorter than a moving time for the discharge unit to move along the partial route when the control time is longer than the moving time.

Three-dimensional shaped article manufacturing method and data processing device

A three-dimensional shaped article production method includes a first step of dividing a gap region that is a gap region sandwiched by multiple partial paths and includes one or multiple concave shapes at an outer circumference based on first data having path data representing a path in which an ejection section moves while ejecting a shaping material by multiple partial paths, and having ejection control data including at least either of ejection amount information representing an ejection amount of the shaping material in each of the partial paths and moving speed information representing a moving speed of the ejection section in each of the partial paths, a second step of generating second data from the first data by changing at least either of the path data and the ejection control data so as to fill up the divided gap region with the shaping material, and a third step of shaping the three-dimensional shaped article by controlling the ejection section according to the second data.

Three-dimensional shaped article production method, three-dimensional shaping apparatus, and information processing apparatus

A method for manufacturing a three-dimensional shaped object includes: a stacking step of stacking a layer by discharging a shaping material from a nozzle while moving the nozzle with respect to a stage in accordance with shaping data with which a three-dimensional shaped object is shaped, the shaping data including path information indicating a movement path of the nozzle with respect to the stage and discharge amount information indicating a discharge amount of the shaping material in the movement path; and a data changing step of adding a cleaning command for cleaning the nozzle to the shaping data based on information included in the shaping data.

Method for manufacturing three-dimensional shaped object, three-dimensional shaping system, and information processing apparatus

A three-dimensional shaped article production method for producing a three-dimensional shaped article by ejecting a shaping material to a stage and stacking layers according to a path including multiple partial paths is provided. The production method includes a first step of specifying a gap portion occurring inside the three-dimensional shaped article based on first shaping data having data for shaping a first portion that is a part of the three-dimensional shaped article by stacking layers having a first thickness and data for shaping a second portion that is adjacent to the first portion in a direction orthogonal to a stacking direction of the layers with a layer having a second thickness corresponding to a thickness of the first portion, a second step of generating second shaping data from the first shaping data by changing the first shaping data so as to fill up the gap portion when the gap portion is specified, and a third step of shaping the three-dimensional shaped article by ejecting the shaping material according to the second shaping data.

Wherein, in the first dither mask, when the first space is cut by the first plane, a plurality of threshold values in the first plane has a blue noise characteristic in the spatial frequency domain, and when the first space is cut by a second plane extending in a direction different from that of the first plane, a plurality of threshold values in the second plane has a blue noise characteristic in the spatial frequency domain.

Image processing device, recording apparatus, image processing method, and non-transitory computer-readable storage medium storing program

A three-dimensional shaping apparatus includes a plasticizing portion plasticizing a material to generate a shaping material, a nozzle having a discharge port discharging the shaping material toward a table, a movement mechanism changing a relative position between the nozzle and the table, a discharge control mechanism provided in a flow path which connects the plasticizing portion to the nozzle and controlling a discharge amount of the shaping material from the nozzle, and a control portion controlling the plasticizing portion, the movement mechanism, and the discharge control mechanism to shape the three-dimensional shaping object. The control portion controls the discharge control mechanism so that when a relative movement speed between the nozzle and the table is a first speed, the discharge amount of the shaping material is set to a first discharge amount, and when the relative movement speed between the nozzle and the table is a second speed which is slower than the first speed, the discharge amount of the shaping material is set to a second discharge amount which is smaller than the first discharge amount.

Three-dimensional shaping apparatus and method of manufacturing three-dimensional shaping object

A distribution portion that distributes an error based on quantization of a gradation value corresponding to the one pixel, to a first pixel located in a first direction of the one pixel at a first distribution rate, to a second pixel located in a second direction of the one pixel at a second distribution rate, and to a third pixel located in a third direction of the one pixel at a third distribution rate, the second direction is a direction that intersects the first direction, and the third direction is a direction different from an extension direction of a plane defined by the first direction and the second direction.

Image processing apparatus, recording apparatus, image processing method, and non-transitory computer-readable storage medium storing program

To provide a method for manufacturing a three-dimensional shaped object in which a three-dimensional shaped object is manufactured by discharging a shaping material from a discharge unit toward a stage to stack a layer, the method for manufacturing a three-dimensional shaped object includes: a first step of generating path data having a plurality of partial paths through which the discharge unit moves while discharging the shaping material; a second step of determining a line width of the shaping material in each of the partial paths and generating line width information for implementing the line width; a third step of generating shaping data including the path data and the line width information; and a fourth step of shaping the three-dimensional shaped object according to the shaping data. In the second step, the line width in a target path that is one of the partial paths is determined in accordance with a distance between a first wall and a second wall separated by the target path. The first wall and the second wall are side edges of the shaping material discharged in the partial path generated before the target path or a contour line of the three-dimensional shaped object.

Method for manufacturing three-dimensional shaped object with reference outer surface line width smaller than infilling toolpath width

Provided is a three-dimensional shaped object manufacturing method. The manufacturing method includes a first step of generating intermediate data including (i) path data indicating, by a plurality of partial paths, a path through which the discharge unit discharges a shaping material while being moved and (ii) discharge control data including at least one of discharge amount information indicating a discharge amount of the shaping material in each of the partial paths and moving speed information indicating a moving speed of the discharge unit in each of the partial path, a second step of analyzing the intermediate data to specify a gap portion interposed between a first partial path and a second partial path, a third step of generating shaping data from the intermediate data by changing the discharge control data corresponding to the second partial path so as to increase, in the second partial path, a width of the shaping material stacked on a stage or on a layer that is previously formed, and a fourth step of shaping a three-dimensional shaped object by controlling the discharge unit according to the shaping data.

Three-dimensional shaped object manufacturing method and three-dimensional shaping device

A three-dimensional shaped object manufacturing method includes a first step of acquiring shape data corresponding to a three-dimensional shaped object, a second step of generating, using the shape data, first intermediate data including path information indicating a path along which a depositing unit moves while depositing a shaping material and depositing amount information indicating a depositing amount of the shaping material, a third step of generating second intermediate data by changing the first intermediate data to increase an amount of the shaping material deposited and specifying a gap region interposed between regions where the shaping material is deposited according to the second intermediate data, a fourth step of generating shaping data by changing the first intermediate data or the second intermediate data such that the shaping material is deposited in the specified gap region, and a fifth step of shaping the three-dimensional shaped object according to the shaping data.

Three-dimensional shaped object manufacturing method and information processing device

A three-dimensional shaped object manufacturing method for shaping a three-dimensional shaped object. The three-dimensional shaped object manufacturing method includes a first step of shaping a first partial shaped object corresponding to a first partial path and a second partial shaped object corresponding to a second partial path in accordance with shaping data including path data and discharge amount data; a second step of measuring a first gap indicating a gap between the first partial shaped object and the second partial shaped object; and a third step of executing an adjustment processing of adjusting, based on a difference between the first gap and a second gap determined based on the shaping data and corresponding to the first gap, a discharge amount in a third partial path which is one of the plurality of paths and along which the discharge unit moves after the first partial path and the second partial path.

A three-dimensional shaping system includes a three-dimensional shaping apparatus and a control apparatus. The control apparatus analyzes path data including a plurality of paths indicating a route along which a nozzle moves relative to a shaping table of the three-dimensional shaping apparatus, and generates shaping data by adding a stop command to the path data in order to temporarily stop change of a relative position and temporarily close an opening and closing mechanism at the time of switching two consecutive paths, when a length of the two consecutive paths or an angle at which the two consecutive paths are connected satisfies a predetermined condition. The control portion of the three-dimensional shaping apparatus shapes a three-dimensional shaping object by controlling the opening and closing mechanism to open and close a flow path of a shaping material connected to the nozzle and a movement mechanism which changes the relative position between the shaping table and the nozzle, according to the shaping data.

Three-dimensional shaping system and data generation apparatus

A three-dimensional forming system includes a three-dimensional forming apparatus and a control device. The three-dimensional forming apparatus includes a nozzle that discharges a forming material, an opening/closing mechanism that opens or closes a flow path connected to the nozzle, a moving mechanism that changes a relative position between the forming table and the nozzle, and a control unit that perform a control based on forming data. The control device includes a forming data generating unit that analyzes path data including a path indicating a movement direction and a movement distance of the nozzle and a discharge parameter indicating discharging of the forming material, generates the forming data by adding an opening/closing command for driving the opening/closing mechanism to the path data, and transmits the forming data to the three-dimensional forming apparatus.

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Matsumoto, Japan

Satoshi Yamazaki