Powder laying and recovering device for selective laser melting of heterogeneous material
A technology of selective laser melting and heterogeneous materials, which is applied in the field of 3D rapid prototyping, can solve the problems of easy mixing of heterogeneous materials, difficulty in separation and recycling, and achieve the effect of guaranteed molding accuracy
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[0025] The present invention will be further described below in conjunction with specific embodiments and drawings, but the implementation of the present invention is not limited to this.
[0026] Such as figure 1 Shown is a schematic diagram of a powder spreading and powder recovery device for selective laser melting of two materials according to a preferred embodiment of the present invention. The device of the present invention includes:
[0027] The powder spreading device is provided with a pair of fixed guide rails 3 along the horizontal direction. The guide rail 3 is provided with a scraper 2 capable of reciprocating along the guide rails and two powder spreading tanks 1. The bottom of the powder spreading tank 1 is provided with a long and narrow opening. Control the opening and closing of the opening respectively.
[0028] The powder spreading tank 1 can be moved above the forming cylinder 4 to provide the required powder. The forming cylinder 4 is provided with a supporting...
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