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Three-dimensional formed silk material and FDM three-dimensional forming method

A technology of 3D molding and silk material, which is applied in the field of 3D printing, can solve the problems of easy layering and cracking of 3D objects and affecting the use of 3D objects

Active Publication Date: 2019-08-02
PRINT RITE UNICORN IMAGE PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the three-dimensional objects printed with this three-dimensional molding filament have the phenomenon of easy delamination and cracking between layers, which seriously affects the use of the printed three-dimensional objects.

Method used

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  • Three-dimensional formed silk material and FDM three-dimensional forming method
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  • Three-dimensional formed silk material and FDM three-dimensional forming method

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Embodiment Construction

[0021] The three-dimensional molding silk material of the present invention is made of the following raw materials: inorganic powder, binder and auxiliary agent. Wherein, the inorganic powder is metal powder or ceramic powder, and the content of the inorganic powder can reach more than 90wt% (weight percentage, the same below). The binder is composed of POM (polyoxymethylene) and TPE (thermoplastic elastic material). The POM is preferably a homopolymerized POM. The component ratio of POM and TPE in the binder is 1:1. The auxiliary agent is composed of a silicone powder lubricant and a zinc oxide heat stabilizer, and the component ratio of the silicone powder lubricant and the zinc oxide heat stabilizer in the auxiliary agent is 1:1. The above raw materials are mixed, and the mixed raw materials are extruded through a screw extruder and a forming extruder head to obtain a wire rod, and the wire rod is drawn through a wire drawing machine to obtain a three-dimensional molding wi...

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Abstract

The invention provides a three-dimensional formed silk material and an FDM three-dimensional forming method. The three-dimensional formed silk material is prepared from raw materials of following components of inorganic powder, a binding agent and an auxiliary agent; the content of the inorganic powder is 90 wt% or above; the binding agent is composed of POM and TPE; the melting point of POM is between 180 DEG C and 190 DEG C, and the shore hardness of TPE is between 0 and 10 degrees; and the auxiliary agent is composed of a silicone powder lubricating agent and a zinc oxide heat stabilizing agent. The three-dimensional formed silk material is good in toughness, wire winding is easy, head blocking is not likely to be caused during printing, and a printed three-dimensional object is not prone to layering.

Description

technical field [0001] The invention relates to the technical field of three-dimensional printing, in particular to a three-dimensional forming silk material and an FDM three-dimensional forming method. Background technique [0002] Three-dimensional (3D) rapid prototyping (printing), also known as additive manufacturing, is based on the principle of producing three-dimensional objects by printing or laying down successive layers of material. A 3D rapid prototyping machine, or 3D printer, works by converting a 3D computer model of an object and producing a series of cross-sectional slices, which are then printed, one on top of the other, to produce the final 3D object. [0003] The main types of three-dimensional rapid prototyping methods are: stereolithography or photocuring (Stereolithography, SLA), layered object manufacturing (Laminated object manufacturing, LOM), selective laser sintering (Selective laser sintering, SLS), fused deposition modeling (Fused deposition mod...

Claims

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Application Information

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IPC IPC(8): B22F1/00B22F3/00B22F3/10B28B1/00B33Y10/00B33Y70/00B22F10/10B22F10/64
CPCB22F3/00B22F3/1007B33Y70/00B33Y10/00B28B1/001B22F2998/10B22F2998/00B22F1/103B22F1/10B22F2201/20
Inventor 苏健强涂志军
Owner PRINT RITE UNICORN IMAGE PROD CO LTD
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