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SLS metal 3D printer automatic leveling method

A 3D printer and automatic leveling technology, which is applied to the improvement of process efficiency, additive manufacturing, additive processing, etc., can solve problems such as wasting time, inconvenient leveling process, and inability to guarantee leveling accuracy, and achieve high commercial efficiency. Value, easy disassembly, high precision effect

Active Publication Date: 2018-11-27
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the leveling process of the SLS metal 3D printer before use is very inconvenient. Taking EP-M250 as an example, the staff need to repeatedly adjust the three thimble screws through experience, which not only wastes a lot of time, but also cannot guarantee the leveling. flat precision

Method used

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  • SLS metal 3D printer automatic leveling method
  • SLS metal 3D printer automatic leveling method
  • SLS metal 3D printer automatic leveling method

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the drawings.

[0041] Such as figure 1 As shown, the present invention uses a leveling device to be installed on the SLS metal 3D printer. The SLS metal 3D printer includes a frame, a horizontal slide 3, a powder spreader 4, a forming cylinder 1 and a forming platform 7. The forming cylinder 1 and the horizontal slide rail 3 are both fixed on the frame. The powder spreader 4 and the horizontal slide rail 3 constitute a sliding pair. The forming platform 7 is installed on the forming cylinder 1. The scraper 6 fixed on the powder spreader 4 is located above the forming platform.

[0042] The working process of the SLS metal 3D printer is as follows: the powder spreader 4 slides along the horizontal slide 3, the scraper 6 fixed on the powder spreader 4 spreads a layer of powder material on the forming platform 7, and the laser beam sinters on the powder layer to make the The irradiated powder sticks...

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PUM

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Abstract

The invention discloses an SLS metal 3D printer automatic leveling method. The existing SLS metal 3D printer needs to be leveled manually before use, not only a lot of time is wasted, but also the leveling accuracy cannot be guaranteed. The leveling device comprises a horizontal displacement mechanism, a vertical displacement laser ranging mechanism and a micro displacement driving mechanism. Thehorizontal displacement mechanism includes a traversing driving motor, a base, a rotating shaft, a support shaft, a cam set, a power rod set, a sliding block and a traversing slide rail. The verticaldisplacement laser ranging mechanism includes a casing, a punch rod, a flip driving motor, a screw shaft, a laser range finder and a flipping assembly. The micro displacement driving mechanism includes a support block and three piezoelectric ceramic actuators. By means of the method, the levelness of a forming platform in the SLS metal 3D printer can be detected, and the SLS metal 3D printer can be adjusted to the horizontal state.

Description

Technical field [0001] The invention belongs to the technical fields of metal 3D printing technology and micro-displacement drive technology, and specifically relates to an automatic leveling method of a laser sintered metal 3D printer. Background technique [0002] Selected Laser Sintering (Selected Laser Sintering, SLS) is a process with high material utilization and relatively low price, so it is widely used in metal 3D printing technology. The technological process of the SLS metal 3D printer is to use a powder spreader to pave a layer of powder material, and the laser beam sinters on the powder layer to bond the irradiated powder. When a layer is sintered, the forming platform is lowered by the height of the layer thickness, and the powder spreader lays a new powder material on the forming platform, and then the laser beam is sintered again, and so on, layer by layer, until the entire three-dimensional object is printed. jobs. [0003] Before the whole process of SLS metal 3...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B33Y30/00
CPCB33Y30/00B22F10/00B22F12/90B22F12/63B22F10/28B22F12/38B22F12/222B22F12/37B22F12/224Y02P10/25
Inventor 许明章佳奇陈国金
Owner HANGZHOU DIANZI UNIV
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