APPARATUS AND METHOD FOR THREE-DIMENSIONAL PRINTING
A three-dimensional printing apparatus includes a liquid tank and a motor. The liquid tank includes a film and a plate. The film has a working area, and the plate supports the film and has at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate. The motor is disposed on the liquid tank, providing dragging-down traction to incline the liquid tank. The embodiments of the present invention facilitate the separation of workpieces from the film. Another three-dimensional printing apparatus and a three-dimensional printing method are also provided.
1 . A three-dimensional printing apparatus, comprising:
a liquid tank, for accommodating a photosensitive liquid, the liquid tank comprising:
a film, having a working area; and
a plate, for supporting the film and having at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate; and
a motor, disposed on the liquid tank, providing dragging-down traction to incline the liquid tank.
2 . The three-dimensional printing apparatus according to claim 1 , wherein the liquid tank further comprising:
a plurality of side walls, surrounding the film.
3 . The three-dimensional printing apparatus according to claim 2 , wherein the motor is disposed on one of the plurality of side walls.
4 . The three-dimensional printing apparatus according to claim 3 , further comprising:
a pivot, disposed on another one of the plurality of side walls, being as a rotation center of the liquid tank when the motor is dragging-down the liquid tank.
5 . The three-dimensional printing apparatus according to claim 1 , further comprising:
a pivot, disposed on one end of the plate, with the motor disposed on an opposite end of the plate, being as a rotation center of the liquid tank when the motor is dragging-down the liquid tank.
6 . The three-dimensional printing apparatus according to claim 1 , wherein the motor provides dragging-down traction to incline the first surface of the plate of the liquid tank with respect to an adhesive surface of a workpiece.
7 . The three-dimensional printing apparatus according to claim 1 , wherein the motor provides dragging-down traction to incline the liquid tank to form an angle between the first surface of the plate and an adhesive surface of a workpiece is one of the following ranges: 0-30 degrees, 0-10 degrees, and 0-5 degrees.
8 . The three-dimensional printing apparatus according to claim 1 , wherein the motor provides dragging-down traction to incline the liquid tank to form an interval between a portion of the plate and a workpiece is in one of the following ranges: 0-30 mm, 0-20 mm, and 0-15 mm.
9 . The three-dimensional printing apparatus according to claim 1 , further comprising:
a platform, disposed on a first side of the film of the liquid tank, with the plate disposed on a second side of the film of the liquid tank opposite to the first side, wherein the platform is configured to move toward and away from the film.
10 . The three-dimensional printing apparatus according to claim 1 , wherein the plate has a first area corresponding to the working area and a second area adjacent to the first area, and the fluid tunnel is in the second area.
11 . A three-dimensional printing apparatus, comprising:
a liquid tank, for accommodating a photosensitive liquid, the liquid tank comprising:
a film, having a working area;
a platform, disposed on a first side of the film of the liquid tank, with the plate disposed on a second side of the film of the liquid tank opposite to the first side, configuring to move toward and away from the film; and
a plate, for supporting the film and having at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate; and
a motor, disposed on the platform, providing pull-up traction on the platform.
12 . The three-dimensional printing apparatus according to claim 11 , wherein the motor is disposed on a first end of the platform.
13 . The three-dimensional printing apparatus according to claim 12 , further comprising:
a pivot, disposed on a second end opposite to the first end of the platform, being as a rotation center of the platform when the motor is pulling-up the platform.
14 . The three-dimensional printing apparatus according to claim 11 , wherein the motor provides pull-up traction on the platform to incline an adhesive surface of a workpiece with respect to the first surface of the plate.
15 . The three-dimensional printing apparatus according to claim 11 , wherein the motor provides pull-up traction on the platform to form an angle between the first surface of the plate and an adhesive surface of a workpiece is one of the following ranges: 0-30 degrees, 0-10 degrees, and 0-5 degrees.
16 . The three-dimensional printing apparatus according to claim 11 , wherein the motor provides pull-up traction on the platform to form an interval between a portion of the plate and a workpiece is in one of the following ranges: 0-30 mm, 0-20 mm, and 0-15 mm.
17 . The three-dimensional printing apparatus according to claim 11 , wherein the plate has a first area corresponding to the working area and a second area adjacent to the first area, and the fluid tunnel is in the second area.
18 . A three-dimensional printing method, for eliminating a low-pressure area built between a film and a plate for supporting the film of a liquid tank during printing, the method comprising:
inclining a surface of the plate and an adhesive surface, adhered to the film, of a workpiece with each other; and
directing a fluid to flow from a portion of the low-pressure area to fill the entire low-pressure area.
19 . The three-dimensional printing method according to claim 18 , wherein the step of inclining a surface of the plate and an adhesive surface, adhered to the film, of a workpiece with each other is performed by a motor pulling up a portion of the plate.
20 . The three-dimensional printing method according to claim 18 , wherein the step of inclining a surface of the plate and an adhesive surface, adhered to the film, of a workpiece with each other is performed by a motor dragging down a side wall of the liquid tank surrounding the film.