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Laser quick forming system and forming method with six shaft machine hand for powder material

A laser rapid prototyping, powder material technology, used in laser welding equipment, manufacturing tools, welding equipment, etc., to achieve high forming accuracy, wide application range, and improve the programming environment.

Inactive Publication Date: 2005-03-02
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitation of the forming machine tool, the current method is limited to the rapid prototyping of tiny workpieces.

Method used

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  • Laser quick forming system and forming method with six shaft machine hand for powder material
  • Laser quick forming system and forming method with six shaft machine hand for powder material
  • Laser quick forming system and forming method with six shaft machine hand for powder material

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Experimental program
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Effect test

Embodiment Construction

[0040] The technical solution of the present invention will be described in detail below with reference to a specific embodiment.

[0041] Refer to the attached figure 1 . Six-axis robot hand 1 adopts Shougang Motoman SK16 robot hand, the positioning accuracy is -0.1mm-+0.1mm, robot hand controller 2 model is XRC; laser 3 adopts HASS company's 1000WNd:YAG laser, the laser can pass through the optical fiber For transmission, the flexibility of the optical fiber itself makes it easy to use with a six-axis robot, so as to meet the needs of flexible processing in free space. The laser light is transmitted to the laser working head 7 through the optical fiber 9 . The laser 3 is connected with the robot controller 2 through the RS-232 standard serial port, so that the system can control the working state of the laser through the robot controller 2. Powder feeder 6 adopts JSF-1 automatic powder feeder. The powder feeder can convey powders of various materials and sizes. When tra...

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Abstract

The present invention is used to produce workpiece directly based on the 3D model in computer. The system includes computer with fast 3D CAD software, slicing processing software and off-line programming software, computer controlled laser and powder feeder, demonstrating box, six-axis machine hand, machine hand controller and forming worktable. Through off-line programming, the CAD model data in the computer are converted into motion program with forming technological parameters for the machine hand to execute and the six-axis machine hand holding the laser head and powder feeding nozzle is controlled to move on the worktable to realize the fast laser forming of the workpiece with the powder material. By means of the forming system and method of the present invention, it is possible to form various complicated large or small workpiece in high precision effectively.

Description

Technical field: [0001] The invention relates to a laser rapid prototyping system and method, in particular to a system and method for rapid prototyping of powder materials by using a six-axis robot hand and a laser, and belongs to the rapid prototyping of laser material processing [0002] technical field. Background technique: [0003] Laser rapid prototyping technology (Rapid Prototype) is an emerging rapid manufacturing technology, which is a new forming technology formed by combining CAD / CAM, NC, laser and material processing technology. It is especially suitable for the forming and processing requirements of small batch and multi-variety parts, and has high flexibility to adapt to the rapidly changing market demand. [0004] At present, typical laser rapid prototyping methods include Stereo Lithography, Laminated Object Manufacturing and Selective Laser Sintering. Among them, the selective laser sintering molding method can rapidly shape powder materials. The molding...

Claims

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Application Information

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IPC IPC(8): B22F3/105
Inventor 左铁钏陈继民王颖娜阳建华
Owner BEIJING UNIV OF TECH
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