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Automatic handling method for scraper failure of additive manufacturing equipment

An automatic processing and additive manufacturing technology, applied in the field of additive manufacturing, can solve the problems of scraper jamming and scraper failure requiring manual processing, so as to improve production efficiency, eliminate hidden dangers affecting forming quality, and achieve the effect of high automation

Active Publication Date: 2017-07-14
XIAN BRIGHT ADDTIVE TECH CO LTD
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Problems solved by technology

[0007] The purpose of the present invention is to provide an automatic processing method for scraper failure of additive manufacturing equipment, which can automatically deal with the problem of scraper jamming in the process of powder spreading, and can realize a high degree of automation in additive manufacturing, and solve the need for manual processing of existing scraper failures The problem

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  • Automatic handling method for scraper failure of additive manufacturing equipment

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.

[0023] When the scraper of the additive manufacturing equipment fails and gets stuck, it usually shows that the torque of the scraper transmission mechanism is too large. Therefore, the present invention presets the torque limit value of the scraper transmission mechanism in the additive manufacturing equipment system. When the side moves to the other side of the forming plane 2 to complete the laying of the forming part 3 in the front layer of forming powder, such as figure 1 As shown, if the current torque value of the servo motor of the scraper transmission mechanism 5 ≥ the preset torque limit value in the servo driver, it is considered that a stuck fault has occurred, and the system will automatically execute the automatic scraper fault processing program at this time....

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Abstract

The invention discloses an automatic handling method for scraper failure of additive manufacturing equipment. A torque limit value of a scraper transmission mechanism is preset in an additive manufacture equipment system; during a powder laying process, if the current torque value of a servo motor of the scraper transmission mechanism is greater than or equal to the preset torque limit value in a servo driver, the system executes an automatic scraper failure handling program automatically; a forming platform descends for a certain height; a scraper failure resetting command is executed; then a scraper is subjected to zero return to return to an initial position; powder feeding is performed automatically by a powder feeding device; the forming platform rises for a certain height; and the scraper moves to finish laying of a current layer of forming powder, and automatic failure handling is finished. By adopting the method, a problem of scraper jamming during the powder laying process can be automatically handled; high automation of the additive manufacture equipment is realized; and production efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of additive manufacturing, and in particular relates to an automatic processing method for scraper faults of additive manufacturing equipment. Background technique [0002] Additive manufacturing technology is based on 3D CAD model data, by adding materials to be manufactured layer by layer, using the computer 3D design model as a blueprint, through software layering and numerical control forming system, using high-energy beams to stack materials layer by layer, and finally superimposed forming , a technical means of manufacturing parts with specific geometric shapes. [0003] There are many methods of additive manufacturing, which are mainly divided into manufacturing methods based on powder feeding methods and powder spreading methods. The powder spreading device used in the manufacturing method based on the powder spreading method can be divided into a one-way powder spreading device and a two-way powder...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/393B29C64/214B33Y50/02
CPCB33Y50/02
Inventor 杨东辉刘泽众李新星
Owner XIAN BRIGHT ADDTIVE TECH CO LTD
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