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Method and equipment for manufacturing metal part with embedded FRID (Radio Frequency Identification) label with SLM (Selective Laser Melting)

A technology of metal parts and labels, applied in the field of special laser processing technology and equipment, to achieve the effect of increasing radio frequency distance, overcoming interference and shielding, and improving manufacturing efficiency

Active Publication Date: 2013-11-20
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Although laser selective melting technology and radio frequency signal identification technology have been widely used in various industries, but there is no relevant application to combine these two technologies

Method used

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  • Method and equipment for manufacturing metal part with embedded FRID (Radio Frequency Identification) label with SLM (Selective Laser Melting)
  • Method and equipment for manufacturing metal part with embedded FRID (Radio Frequency Identification) label with SLM (Selective Laser Melting)

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Embodiment

[0048] Such as figure 1 , 2 shown. The SLM of the present invention manufactures equipment with embedded RFID tag metal parts, including a beam focusing system, a near-wavelength coaxial visual positioning system, a tag embedding system, a powder laying system, and a gas protection system;

[0049] The beam focusing system includes a fiber laser 1, a beam expander 3, a scanning galvanometer 6, and an F-θ combination lens 7 sequentially connected in an optical path;

[0050] The near-wavelength coaxial visual positioning system includes a coated reflective lens 5, an industrial CCD4 and an illuminating device 9 for illuminating the metal part 10 to be processed; the coated reflective lens 5 is arranged between the beam expander 3 and the scanning galvanometer 6 In the light path; The industrial CCD4 is arranged on the top of the coated mirror 5;

[0051] The powder laying system includes a molding cylinder 15, a powder spreading scraper 13, a powder cylinder 17, a lifting pi...

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Abstract

The invention discloses a method and equipment for manufacturing a metal part with an embedded FRID (Radio Frequency Identification) label with SLM (Selective Laser Melting), which belongs to the field of laser melting and solves the problem that the current selective laser melting is mutually independent with the FRID. The equipment is technically characterized by comprising a beam focusing system, a near wavelength coaxial visual positioning system, a gas protection system, a real-time monitor, a label embedding system and the like. The FRID label being embedded in the metal part has a high requirement on the manufacturing method, and the traditional processing method cannot realize one-step formation. The method adopts the combination of the SLM and the FRID to overcome the limitation that the traditional process cannot realize the one-step formation. The method and the equipment reasonably control the distance between the label and metal to eliminate a heat effect, and a metal-resisting film is pasted on the label to solve the problem. The method and the equipment overcome manufacturing difficulties, successfully manufacture the metal part with the embedded FRID label, are mainly applied to the defense industry and can also be applied to industries such as workpiece tracking and positioning in a special environment.

Description

technical field [0001] The invention relates to special laser processing technology and equipment, in particular to a method and equipment for SLM manufacturing metal parts with embedded RFID tags. Background technique [0002] Radio Frequency IDentification (RFID) is a new type of communication technology that can identify specific targets and read and write related data through radio signals without the need to establish mechanical or optical contact between the identification system and specific targets. Commonly used are low frequency (125k ~ 134.2K), high frequency (13.56Mhz), ultra high frequency, passive and other technologies. RFID readers are also divided into mobile and fixed. At present, RFID technology is widely used. RFID tags can now reach 1 / 50 the size of a grain of rice. [0003] A complete RFID system is composed of three parts: the reader and the electronic tag (RFID tag), also known as the transponder and the application software system. Its working prin...

Claims

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Application Information

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IPC IPC(8): G06K17/00B22F3/105B22F5/00
CPCY02P10/25
Inventor 杨永强王迪刘睿诚肖冬明
Owner SOUTH CHINA UNIV OF TECH
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