Surface morphology controlling method for inclined planes by adopting additive manufacturing technology
A technology of additive manufacturing and surface topography, applied in the field of additive manufacturing, which can solve problems such as affecting the surface quality of inclined surfaces, cracking of inclined surfaces, or pores, etc.
Active Publication Date: 2021-04-20
SHANGHAI UNIV OF ENG SCI
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Problems solved by technology
[0005] The invention provides a method for controlling the surface morphology of an inclined surface prepared by additive manufacturing technology, which is used to solve the problem of the prior art that in the additive manufacturing process, due to rapid heating and rapid solidification, it is easy to cause cracks or pores on the inclined surface and affect the inclined surface. The problem of surface quality
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[0063] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0064] The embodiment of the present invention provides a method for controlling the surface morphology of inclined surfaces prepared by additive manufacturing technology, such as figure 1 , figure 2 shown, including:
[0065] Step 1: Establish a three-dimensional model according to the structure and inclined surface characteristics of the part;
[0066] Step 2: Set the initial preparation profile according to the 3D model of the part;
[0067] Step 3: Obtain a preset inclined surface profile from the initial preparation profile, and translate the preset inclined surface profile to the center of the initial preparation profile by a preset distance to form an incl...
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The invention discloses a surface morphology controlling method for inclined planes by adopting an additive manufacturing technology. The surface morphology controlling method comprises the following steps: building three-dimensional models according to structures of parts and characteristics of the inclined planes; setting initial preparation profiles according to the three-dimensional models of the parts; acquiring preset inclined plane profiles from the initial preparation profiles, and translating the preset inclined plane profiles to the center of the initial preparation profiles so as to form to-be-processed inclined plane profiles; preparing to-be-molded inclined planes in a forming bin according to the to-be-processed inclined plane profiles; spraying the to-be-molded inclined planes by using a spraying device until the sprayed coatings are overlapped with the preset inclined plane profiles, and detecting the coatings through a surface detection device. The invention aims to provide the surface morphology controlling method for inclined planes by adopting the additive manufacturing technology. Through spraying treatment of the to-be-molded inclined planes and coating of the coatings on the inclined planes, cracks and air pores formed on the inclined planes are eliminated, and the surface quality of the inclined planes is improved.
Description
technical field [0001] The invention relates to the technical field of additive manufacturing, in particular to a method for controlling the surface morphology of inclined surfaces prepared by additive manufacturing technology. Background technique [0002] Additive manufacturing, commonly known as 3D printing, integrates computer-aided design, material processing and molding technology, and is based on digital model files. Through software and numerical control system, special metal materials, non-metal materials and medical biological materials are processed according to extrusion, sintering , melting, light curing, spraying and other ways to accumulate layer by layer to create a manufacturing technology for physical objects. Compared with the traditional processing mode of raw material removal-cutting and assembly, it is a "bottom-up" manufacturing method through material accumulation, starting from scratch. This makes it possible to manufacture complex structural parts ...
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IPC IPC(8): B29C64/393B29C64/20B29C64/371G01D21/02G06T17/00B05D1/02B33Y30/00B33Y40/00B33Y50/02
Inventor 何博
Owner SHANGHAI UNIV OF ENG SCI