A method for continuous printing of surface exposure 3D printing equipment

A 3D printing and surface exposure technology, applied in the field of 3D printing, can solve the problems of increasing equipment costs, achieve the effects of saving printing costs, improving the success rate of printing, and simple implementation methods

Active Publication Date: 2021-11-19
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods will increase the cost of equipment, and at the same time cannot flexibly meet user needs, such as feeding, secondary printing, etc., and need to manually pause the equipment to achieve breakpoint continuous printing

Method used

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  • A method for continuous printing of surface exposure 3D printing equipment
  • A method for continuous printing of surface exposure 3D printing equipment

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] The present invention is described for the bottom-illuminated surface exposure equipment. The light source of the equipment is placed in the lower part of the equipment, and the bottom of the resin tank is irradiated upward from the bottom of the resin tank. The Z-axis drives the forming plate to move upward for layer-by-layer curing. For top-illuminated equipment, it is only necessary to change the direction of Z-axis movement and the position of the upper and lower limit switches. The surface exposure equipment is composed of two parts, the upper computer and the lower computer. In the present invention, the upper computer is a mobile device with a Bluetooth communication module, which is responsible for controlling the light source to display sliced ​​images, sending motion commands to control the movement of the lower computer, and obtaining i...

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Abstract

The invention discloses a continuous printing method of a surface exposure 3D printing device. The method integrates the continuous printing method of the equipment into the control method of the equipment. According to the interactive logic relationship between the upper computer and the lower computer, the interrupted Click Continue to play the required operations to join the operation of the entire system. The present invention realizes the breakpoint continuous printing function for the surface exposure technology, and the realization method is simple and reliable. Compared with the surface exposure printing equipment without breakpoint continuous printing function, the breakpoint continuous printing function can significantly improve the printing success rate and save printing costs; use the host computer to record the Z-axis travel, and realize individuality according to the different conditions of each device Customization; judging the printing status of the interrupted layer, and judging whether the layer needs to be re-cured according to the irradiation time of the current layer when printing is interrupted, which improves the printing quality of the interrupted layer and reduces the possibility of wrong layers when the interrupted continuous printing occurs .

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a breakpoint continuous printing method for surface exposure 3D printing equipment. Background technique [0002] Surface exposure technology, literally translated as Digital Light Processing (DLP), is an additive manufacturing technology that uses a surface light source to irradiate a photosensitive resin material to cause a photocuring reaction and then accumulate layer by layer. First, a series of parallel planes are used to intersect the printed model to obtain a set of slices composed of cross-sectional images of the model. Then, each layer slice is converted into a two-dimensional mask image and projected onto the surface of the photocurable liquid for curing the current layer. Finally, the forming platform moves a slice layer thick distance to continue curing the next layer, repeating the above steps until the entire model is cured layer by layer. [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/124B29C64/393B33Y10/00B33Y50/02
CPCB33Y10/00B33Y50/02B29C64/124B29C64/393
Inventor 郭文华贺晨龙马耀军高嘉保田艳彬
Owner XI AN JIAOTONG UNIV
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