Abstract: According to a steering column for a vehicle according to the present embodiments, a wide convenient space can be secured for a driver in a teles-in state by increasing a teles-stroke while securing an installation space for the steering column, the installation of the steering column is spatially convenient despite the increased teles-stroke, and a teles operation can be quickly performed without increasing the output of a motor, and thus a convenient space can be quickly secured for a driver without degraded noise performance.

Abstract: Provided is a method for modifying a design on the basis of an additive cross-section outline for 3D printing of an additive manufacturing method. The method for modifying a design on the basis of an additive cross-section outline according to an embodiment of the present invention comprises the steps of: slicing a 3D model into a plurality of 2D layers; calculating a difference region between a first layer and a second layer that is a lower layer adjacent to the first layer; calculating a modified outline that minimizes a region required for support by reducing the outline of the difference region; and merging the modified outline and the outline of the second layer.

Abstract: Provided is a method for generating an auxiliary support for 3D printing output stability in bottom-up stacking manufacturing. The method for generating an auxiliary support, according to an embodiment of the present invention, comprises the steps of: slicing a 3D model into a plurality of 2D layers; calculating the position of an auxiliary support on the basis of the width of the sliced 2D layers; and generating an auxiliary support on the basis of the calculation result. Therefore, output stability can be increased by automatically generating the position and size of the auxiliary support so that the separation force of a stacked surface is uniform.

Abstract: Provided is a method for generating a hollow structure of a 3D model on the basis of a 2D laminated cross-sectional outline to reduce the amount of using a material or the weight of a printed matter during laminating and manufacturing. The method for generating a hollow structure based on a 2D laminated cross-sectional outline, according to an embodiment of the present invention, comprises the steps of: slicing the 3D model; generating a hollow structure outline on the basis of the result of the slicing; detecting an overhang area between adjacent hollow structure outlines; recalculating the hollow structure outline according to the result of detecting the overhang area; and generating a hollow structure mesh on the basis of the recalculated hollow structure outline. Accordingly, because 2D laminated cross-sectional data is used, a hollow structure can be generated without separate data processing, thereby reducing a calculation burden.

Abstract: In a method for operating a microscope, a lens unit transmits a first image laser to an object, and acquire a first scan image on the basis of a first reflection signal reflected from a first area included in the object. An ultrasound conversion unit transmits an ultrasound signal to the first area and focuses same so as to form air bubbles in the first area. The lens unit transmits a second image laser to the object, and can acquire a second scan image on the basis of a second reflection signal reflected from the second area included in the object. The ultrasound conversion unit transmits an ultrasound signal to the first area included in the object and focuses same so as to form air bubbles in the first area, thereby enabling an increase in the imageable depth of a microscope.

Abstract: According to the present embodiments, a telescopic stroke is increased while an installation space of a steering column is easily secured, and a telescopic operation can be quickly performed without increasing a motor output. During the telescopic operation, noise may be reduced, and assemblability and mass productivity of the steering column may be improved.

Abstract: Provided are a method and a system for solving a tolerance problem which may occur in a slicing quantization (staircase effect) process of 3D printing which slices a 3D model and laminates layers one by one. According to an embodiment of the present disclosure, a 3D model slicing method includes the steps of: receiving, by a 3D model slicing system, an input of data of a 3D model to 3D print; examining, by the 3D model slicing system, a dimension of a layer thickness of the inputted 3D model; correcting, by the 3D model slicing system, a size of a layer for slicing, based on a result of the examining; and slicing, by the 3D model slicing system, the corrected 3D model. Accordingly, by preserving a dimension within a layer thickness, a problem that a concavo-convex portion is lost in a slicing quantization process of 3D printing according to a slicing position within a layer thickness, and a tolerance occurs is solved.

Abstract: Provided is a tool path optimization method for minimizing thermal unbalance in metal 3D printing. The tool path optimization method according to an embodiment of the present disclosure includes: a slicing step of generating stratum data by slicing a 3D model; a tool path data generation step of generating tool path data including a moving path of a tool which is moved inside a stratum, by applying equipment settings to the generated stratum data; a thermal data generation step of generating thermal data A of a first stratum and thermal data B1, B2, B3 of three lower layers of the first stratum, based on the tool path data; a thermal data analysis step of generating a thermal data contour by combining the thermal data A, B1, B2, B3; a thermal data application step of identifying an area where thermal unbalance is concentrated based on the thermal data contour, and setting an identification area D; and a tool path optimization step of optimizing a tool path for the identification area D.

Abstract: A method for producing a support structure of a 3D model for 3D printing is provided. A method for producing a support according to an embodiment of the present invention comprises the steps of: dividing a surface constituting a 3D model into multiple surface patches; classifying respective divided surface patches according to geometric characteristics; and producing supports corresponding to the classified characteristics with regard to respective surface patches. Accordingly, during metal laminate manufacturing, the output stability may be improved while reducing the support producing process time. In addition, the surfaces may be expressed by different colors according to the result of geometric characteristic classification, and the supports may also be expressed by different colors according to the type, thereby playing the role of guide lines such that the user can recognize the shape of the surfaces and the type of supports to be installed on the corresponding surfaces.

Abstract: According to the present embodiments, a telescopic stroke is increased while an installation space of a steering column is easily secured, and a telescopic operation can be quickly performed without increasing a motor output. During the telescopic operation, noise may be reduced, and assemblability and mass productivity of the steering column may be improved.

Abstract: Provided is a nozzle clogging defect compensating method for compensating for a nozzle clogging defect appearing in a binder jetting stack manufacturing means. The nozzle clogging defect compensating method according to an embodiment of the present invention comprises the steps of: determining a defect occurrence region when a clogging defect of a nozzle used in the binder jetting stack manufacturing means occurs; determining whether compensation for the detect occurrence region is possible; when the compensation is possible, generating defect information and reflecting the defect information in an output code; setting a defect compensation region on the basis of the defect information; determining a defect compensation type of the defect compensation region; and reflecting a result of the determining in the output code.

Abstract: Provided is a slicing 2D data-based pattern application method for generating an output code in which the inside of a model is filled with a pattern, so as to reduce a binder usage amount and maintain a strength and a shape in sand binder jetting additive manufacturing. A slicing 2D data-based pattern application method according to an embodiment of the present invention comprises the steps of: generating 2D data by slicing an output model; generating an inner pattern in at least one of layers forming an output model in consideration of the set thickness of the layers and the outer thickness thereof and generating an output code by applying the generated inner pattern. Therefore, the cost of producing an additive manufacturing output can be reduced by reducing the binder usage amount through the application of the inner pattern.

Abstract: A steering column for vehicle is disclosed. The steering column for vehicle according to an embodiment of the present disclosure include a steering shaft; an inner tube into which the steering shaft is inserted and coupled and which forwardly or backwardly moves the steering shaft when moving in the longitudinal direction; an outer tube moving together with the inner tube when moving in the longitudinal direction, and coupled to the outside of the inner tube to allow the inner tube to independently move in the longitudinal direction; an outer tube drive for moving the outer tube in the longitudinal direction; and an inner tube drive for moving the inner tube in the longitudinal direction.

Abstract: According to a steering column for a vehicle according to the present embodiments, a wide convenient space can be secured for a driver in a teles-in state by increasing a teles-stroke while securing an installation space for the steering column, the installation of the steering column is spatially convenient despite the increased teles-stroke, and a teles operation can be quickly performed without increasing the output of a motor, and thus a convenient space can be quickly secured for a driver without degraded noise performance.

Abstract: Provided is a method for generating a hollow structure of a 3D model on the basis of a 2D laminated cross-sectional outline to reduce the amount of using a material or the weight of a printed matter during laminating and manufacturing. The method for generating a hollow structure based on a 2D laminated cross-sectional outline, according to an embodiment of the present invention, comprises the steps of: slicing the 3D model; generating a hollow structure outline on the basis of the result of the slicing; detecting an overhang area between adjacent hollow structure outlines; recalculating the hollow structure outline according to the result of detecting the overhang area; and generating a hollow structure mesh on the basis of the recalculated hollow structure outline. Accordingly, because 2D laminated cross-sectional data is used, a hollow structure can be generated without separate data processing, thereby reducing a calculation burden.

Abstract: Provided is a 3D printing slicing method for solving a quantization error problem. A 3D model slicing method according to an embodiment of the present invention comprises: receiving, as input, data of a 3D model to be three-dimensionally printed; calculating the height of the input 3D model; revising the height of the 3D model on the basis of a result of the calculation; and slicing the 3D model having the revised height. Accordingly, the present invention can easily and reliably solve a slicing quantization error problem even without changing the lamination thickness of a 3D printer.

Abstract: In a method for operating a microscope, according to an embodiment of the present invention, a lens unit transmits a first image laser to an object, and can acquire a first scan image on the basis of a first reflection signal reflected from a first area included in the object. An ultrasound conversion unit transmits an ultrasound signal to the first area and focuses same so as to form air bubbles in the first area. The lens unit transmits a second image laser to the object, and can acquire a second scan image on the basis of a second reflection signal reflected from the second area included in the object. In the method for operating a microscope, according to the present invention, the ultrasound conversion unit transmits an ultrasound signal to the first area included in the object and focuses same so as to form air bubbles in the first area, thereby enabling an increase in the imageable depth of a microscope.

Abstract: Provided is a method for creating a 2D slicing polyline based support structure for 3D printing. A method for creating a support structure according to an embodiment of die present invention comprises: slicing a 3D model into a plurality of 2D layers; comparing the 2D layers to calculate a support position for each of the 2D layers; and creating supports at the calculated positions. As a result, the supports can be created at precise and meaningful positions, a stable output is possible, and additional slicing work is not necessary on the created supports, whereby improvement of speed can be expected.

Abstract: A steering column for vehicle is disclosed. The steering column for vehicle according to an embodiment of the present disclosure include a steering shaft; an inner tube into which the steering shaft is inserted and coupled and which forwardly or backwardly moves the steering shaft when moving in the longitudinal direction; an outer tube moving together with the inner tube when moving in the longitudinal direction, and coupled to the outside of the inner tube to allow the inner tube to independently move in the longitudinal direction; an outer tube drive for moving the outer tube in the longitudinal direction; and an inner tube drive for moving the inner tube in the longitudinal direction.

Abstract: Provided is a medical imaging apparatus including: a display; and a controller configured to obtain a plurality of scout images corresponding to planes that are perpendicular to one another, receive an input that selects a region of interest in a first scout image corresponding to a first plane from among the plurality of scout images, and display, in a second scout image corresponding to a second plane from among the plurality of scout images, a first quadrangle indicating a third plane that is a plane corresponding to the region of interest, based on the input. The controller may display the first quadrangle so that at least a portion of the first quadrangle has a fade effect, and the fade effect may depict a level of darkness corresponding to a distance from the second plane.