CN106141173A - three-dimensional printing method - Google Patents

three-dimensional printing method Download PDF

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Publication number
CN106141173A
CN106141173A CN201510171038.XA CN201510171038A CN106141173A CN 106141173 A CN106141173 A CN 106141173A CN 201510171038 A CN201510171038 A CN 201510171038A CN 106141173 A CN106141173 A CN 106141173A
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CN
China
Prior art keywords
printing method
matrix
titanium
outline data
solid
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Pending
Application number
CN201510171038.XA
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Chinese (zh)
Inventor
许伟勇
赖元泰
陈正士
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Youke Material Technology Co ltd
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Youke Material Technology Co ltd
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Publication of CN106141173A publication Critical patent/CN106141173A/en
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  • Powder Metallurgy (AREA)
  • Prostheses (AREA)

Abstract

The invention provides a three-dimensional printing method. The three-dimensional printing method comprises providing a substrate; acquiring contour data of a three-dimensional entity and contour data of a substrate; comparing the profile data of the three-dimensional entity with the profile data of the substrate, determining a processing space around the substrate, providing titanium metal to the non-flat surface of the substrate and the processing space, and solidifying the titanium metal in the non-flat surface and the processing space, so that the substrate forms a three-dimensional processing body. The three-dimensional printing method provided by the invention can be used for well manufacturing a three-dimensional entity.

Description

3 D-printing method
Technical field
The invention relates to a kind of processing method, and be suitable to make 3D solid in particular to one 3 D-printing method.
Background technology
Along with development in science and technology, 3 D-printing (3D printing) technology and increasing material manufacture (Additive Manufacturing, is called for short: AM) technology has become as one of technology of main development.Above-mentioned these Technology belongs to the one of rapid shaping technique, and it can directly pass through the mathematical model literary composition that user design is good Part directly produces required finished product, and finished product is almost the 3D solid of arbitrary shape.Existing three Dimension prints has multiple different shaping mechanism according to various type and material, is liquid resin, slurry such as The material such as material, metal (such as metal-powder) or nonmetal (such as ceramic powder), all can by by Layer stack folds the mode of accumulation to construct the 3D solid of required form.Making mold, industry in the past The fields such as design, three-dimensional printing technology is typically used to modeling, be the most gradually applied to jewelry, Footwear, industrial design, building, engineering, automobile, aviation, dentistry and medical industries, education, building In engineering and other field.
The existing metal-powder by above-mentioned powder or non-metallic powder stack the method being accumulated as 3D solid Including selective laser sintering (Selective Laser Sintering, be called for short: SLS) and selective laser melt Melt (Selective Laser Melting, be called for short: SLM), above-mentioned both powder body is heated to its burn Junction temperature or fusing point are so that powder sintering or be melted into the increasing material manufacture of one layer of thin film with specific thicknesses Technology, and then constitute 3D solid.And existing laser melting coating (laser cladding) technology is by sending Powder body is placed in plane to be processed by the mode of powder or line sending, makes powder sintering or fusing by laser After cool and solidify again.But above-mentioned laser melting and coating technique is applied only to reparation and the table of body surface at present The processing of face mask layer, and then make the body surface after processing have extra safeguard function.
Summary of the invention
The present invention provides a kind of 3 D-printing method, and it can produce 3D solid well.
The 3 D-printing method that the present invention provides includes: provide matrix;Obtain the profile of 3D solid (contour) data and the outline data of matrix;The outline data of comparison 3D solid and the wheel of matrix Wide data also determine the processing space being positioned at around matrix;There is provided titanium to the non-smooth surface of matrix And in processing space and solidify and be positioned at the titanium in non-smooth surface and processing space, so that matrix shape Become there is the Three-dimension process body of rough surface, and the roughness of rough surface is between 20 microns to 100 microns Between.
In an embodiment of the present invention, it is additionally included on non-smooth surface after determining above-mentioned processing space certainly Surely processing starting point, titanium starts to provide and solidify from processing starting point.
In an embodiment of the present invention, the Main Ingredients and Appearance of above-mentioned matrix is titanium.
In an embodiment of the present invention, the Main Ingredients and Appearance of above-mentioned matrix includes biocompatible material, biological Compatible material is more than 90% at the percentage by weight of matrix.
In an embodiment of the present invention, the composition of above-mentioned biocompatible material include titanium alloy, Ti-6Al-4V alloy, Ti-5Al-2.5Fe alloy, Ti-5Al-1.5B alloy, Ti-6Al-7Nb alloy, Ti-15Mo-5Zr-3Al alloy, skeleton, bio-compatible pottery or a combination thereof.
In an embodiment of the present invention, at outline data and the above-mentioned base of the above-mentioned 3D solid of comparison Also include before the outline data of body: the outline data of 3D solid and the outline data of matrix are sat Mark conversion.
In an embodiment of the present invention, the above-mentioned mode providing base material includes: utilize formed in mould side Formula forms base material.
In an embodiment of the present invention, above-mentioned titanium is powder body or colloid.
In an embodiment of the present invention, after above-mentioned titanium is suitable to be irradiated by laser, cladding is empty in processing In between.
In an embodiment of the present invention, the volume of above-mentioned matrix and the volume of above-mentioned Three-dimension process body Ratio is between 0.0001 to 0.01.
Based on above-mentioned, matrix can be formed good by the 3 D-printing method of embodiments of the invention as processing Good Three-dimension process entity.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate Accompanying drawing is described in detail below.
Accompanying drawing explanation
Fig. 1, Fig. 2 A, Fig. 2 B, Fig. 2 C, Fig. 3 to Fig. 5 are the one of the first embodiment of the present invention The schematic flow sheet of 3 D-printing method.
Description of reference numerals:
L: laser;
O: processing starting point;
50: powder-feeding nozzle;
52: condenser lens;
54: powder body nozzle;
56: gas pipeline;
100: matrix;
101: non-smooth surface;
110,210: outline data;
200: 3D solid;
201: surface;
300: processing space;
400: titanium;
400A: workpiece;
500: Three-dimension process body.
Detailed description of the invention
Fig. 1, Fig. 2 A, Fig. 2 B, Fig. 2 C, Fig. 3 to Fig. 5 are the one of the first embodiment of the present invention The schematic flow sheet of 3 D-printing method.3 D-printing method in the first embodiment of the present invention is suitable to Make 3D solid 200, and the 3D solid 200 of the present embodiment is as a example by skeleton, but the present invention It is not limited to this.Refer to Fig. 1, the 3 D-printing method of the present embodiment includes providing matrix 100.In this reality Executing in example, matrix 100 has non-smooth surface 101, and it such as can be by formed in mould mode shape Become.More particularly, the matrix 100 of the present embodiment such as can be by including the material of biocompatibility The metal of material or nonmetal formed by pouring into mould.
Refer to Fig. 2 A to Fig. 2 C, the 3 D-printing method of the present embodiment then obtains the three of matrix 100 Dimension outline data 110 and the outline data 210 of 3D solid 200.3D solid in the present embodiment The outline data 210 of the most above-mentioned skeleton of outline data 210 of 200, and the profile of matrix 100 The outline data 210 of data 110 and 3D solid 200 is e.g. by matrix 100 and 3D solid 200 make 3-D scanning and obtain.Namely obtain the three-dimensional of each point on the non-smooth surface 101 of matrix 100 The three-dimensional coordinate data of each point on the surface 201 of coordinate data and 3D solid 200.In other embodiments In, the outline data of matrix or the outline data of 3D solid can also obtain in data base, Jin Erjia The make efficiency of the 3 D-printing method that speed is overall, the outline data of embodiments of the invention is not limited to above Method of stating obtains.
Refer to Fig. 3, the 3 D-printing method of the first embodiment of the present invention then comparison 3D solid 200 Outline data 210 and the outline data 110 of matrix 100 determine to be positioned at adding around matrix 100 Work space 300.Outline data 110 and outline data 210 e.g. have the non-smooth table of matrix 100 The three-dimensional coordinate of each point on the surface 201 of face 101 and 3D solid 200, after comparing obtains profile Between data 210 and the difference section of outline data 110, and then two outline datas 210,110 of definition Difference section be processing space 300.It is to say, the processing space 300 of the present embodiment corresponds to base Volume difference between body 100 and 3D solid 200, and then it is appreciated that the 3 D-printing of the present embodiment Method needs the volume formed in matrix 100 surrounding at subsequent step.
Furthermore, it is understood that the 3 D-printing method of the present embodiment is at the outline data of comparison 3D solid 200 210 and matrix 100 outline data 110 before can be to the outline data 210 of 3D solid 200 And the outline data 110 of matrix 100 carries out Coordinate Conversion, and then by the outline data 110 of matrix 100 Identical coordinate space is all converted to the outline data 210 of 3D solid 200.By overlapping number of contours Compare according to 210 and outline data 110, then by calculating outline data 210 and outline data 110 Between deviation value obtain processing space 300.
Refer to Fig. 4, the 3 D-printing method of the present embodiment provides titanium after obtaining processing space 300 Belong in the non-smooth surface 101 of 400 to matrix 100 and processing space 300 and solidify be positioned at non-smooth Titanium 400 in surface 101 and processing space 300, so that matrix 100 is formed as shown in Figure 5 There is the Three-dimension process body 500 of rough surface, and the roughness of rough surface is micro-between 20 microns to 100 Between meter.In the present embodiment, above-mentioned titanium the rough surface formed is e.g. by above-mentioned titanium Porous (porous) surface formed, and because titanium has the biocompatibility of height, above-mentioned The porous surface that titanium is formed can make Three-dimension process body 500 be more suitable for applying the most artificial In the technology of skeleton.Specifically, the 3 D-printing method of the present embodiment is such as obtaining processing space 300 After on the non-smooth surface 101 of matrix 100, determine processing starting point O, and titanium 400 is from processing Starting point O starts to provide and solidify.E.g. a kind of powder body of titanium 400, and the consolidating of titanium 400 Change be warming up to after e.g. being irradiated by laser L the fusing point of titanium 400 and melt, be covered in non-smooth In surface 101 and processing space 300, and then titanium 400 cladding is made to become on non-smooth surface 101 Or the workpiece 400A in processing space 300.
In other words, Three-dimension process body 500 is to be formed by the processing space 300 around matrix 100 Workpiece 400A forms, and owing to processing space 300 is by outline data 210 and outline data 110 Comparison, the profile of the Three-dimension process body 500 that the 3 D-printing method of the present embodiment is formed substantially with The profile of 3D solid 200 is identical, and the ratio of the volume of the volume of matrix 100 and Three-dimension process body 500 Value is between 0.0001 to 0.01, and therefore the non-smooth surface 101 of matrix 100 not only can be in this reality Execute the processing datum becoming good in the 3 D-printing method of example, Three-dimension process body can also be provided simultaneously 500 support effects well.On the other hand, by the offer of matrix 100, the three-dimensional of the present embodiment is beaten Impression method can promote the formation efficiency of Three-dimension process body 500, can also reduce in forming process simultaneously and consume The loss of material.The 3 D-printing method of the present embodiment is to be less than the matrix 100 of 3D solid 200 by volume Form Three-dimension process body 500, can be processed into according to different external form demands and there are differently contoured three Dimension processome 500, therefore the 3 D-printing method of the present embodiment is such as applied when the making of artificial bone Required skeleton external form can be formed according to the demand of different patients and affected part, form effect promoting Also reducing cost of manufacture while rate, the rough surface that titanium 400 is formed simultaneously is also suitably for such as It is biological tissue's growth of muscle, and then promotes the biocompatibility of Three-dimension process body 500.
The titanium 400 of the present embodiment and laser L are e.g. provided by powder-feeding nozzle 50.Powder-feeding nozzle 50 comprise condenser lens 52, the powder body nozzle 54 making laser L focus on, and provide the gas of protection gas Body pipeline 56, therefore powder-feeding nozzle 50 can carry out the offer of titanium 400 and to titanium simultaneously The heating of 400, the most again by the microscope carrier (not shown) of mobile bearing substrate 100, gets final product effective percentage Formation Three-dimension process body 500.Furthermore, it is understood that the 3 D-printing method of the present embodiment is suitable to be applied to (Computer Aided Design is called for short: CAD) in processing procedure CAD (computer aided design).Due to the present embodiment 3 D-printing method in the acquirement of outline data of matrix and 3D solid and comparison all can pass through electricity Brain scanning and calculating form, and are consequently adapted to be completed with the processing procedure of automatization by computer.
On the other hand, in the present embodiment, the Main Ingredients and Appearance of matrix 100 is also titanium, therefore titanium 400 Can be solidified on well on non-smooth surface 101, the most simultaneously the process of titanium 400 solidification while The surface of matrix 100 can be made the finishing of appropriateness, and then form good Three-dimension process body 500.This The Main Ingredients and Appearance of the matrix 100 of embodiment includes biocompatible material, and biocompatible material is at matrix 100 In percentage by weight more than 90%, therefore Three-dimension process body 500 has biocompatibility characteristics well, It is adapted as the artificial skelecton in e.g. organism.Furthermore, it is understood that the composition of biocompatible material Including titanium alloy, Ti-6Al-4V alloy, Ti-5Al-2.5Fe alloy, Ti-5Al-1.5B alloy, Ti-6Al-7Nb Alloy, Ti-15Mo-5Zr-3Al alloy, skeleton, bio-compatible pottery or a combination thereof, the present invention is not It is limited to this.
In an embodiment of the present invention, the titanium provided in non-smooth surface and processing space can be A kind of colloid, the 3 D-printing method of the present embodiment by e.g. nozzle colloid according to particular path heap Folded, and then make the Three-dimension process surface after solidification have loose structure, it is beneficial to the life of e.g. muscle Fabric texture grows.It is to say, in the 3 D-printing method of embodiments of the invention, titanium does not limit In above-mentioned powder body or colloid, it is also possible to adjust to form suitable surface texture regarding demand.
In sum, the 3 D-printing method in embodiments of the invention can exist according to the profile of object Process on the out-of-flatness surface of matrix, and then make formed Three-dimension process body have the external form of 3D solid, The make efficiency of Three-dimension process body can be promoted by the offer of matrix simultaneously.The 3 D-printing side of this enforcement Matrix used in method can be processed as the Three-dimension process body with different external form, simultaneously can also basis Demand makes the pure titanium rough surface of Three-dimension process body have loose structure, and then formation has good biological phase The Three-dimension process body of capacitive.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right It limits;Although the present invention being described in detail with reference to foregoing embodiments, this area common Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it, Or the most some or all of technical characteristic is carried out equivalent;And these amendments or replacement, and The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a 3 D-printing method, is suitable to make 3D solid, it is characterised in that described three-dimensional is beaten Impression method includes:
Thering is provided matrix, described matrix has non-smooth surface;
Obtain outline data and the outline data of described matrix of 3D solid;
The outline data of 3D solid described in comparison and the outline data of described matrix, to determine to be positioned at institute State the processing space around matrix;And
There is provided in titanium extremely described non-smooth surface and described processing space and solidification is positioned at described non- Described titanium in flat surface and described processing space, so that described matrix is formed has rough surface Three-dimension process body, and the roughness of described rough surface is between 20 microns to 100 microns.
3 D-printing method the most according to claim 1, it is characterised in that determine described processing Also include behind space:
Determining processing starting point on described non-smooth surface, described titanium is opened from described processing starting point Begin to provide and solidify.
3 D-printing method the most according to claim 1, it is characterised in that the master of described matrix Wanting composition is titanium.
3 D-printing method the most according to claim 1, it is characterised in that the master of described matrix Biocompatible material, described biocompatible material are more than at the percentage by weight of described matrix to want composition to include 90%.
3 D-printing method the most according to claim 4, it is characterised in that described bio-compatible The composition of material includes that titanium alloy, Ti-6Al-4V alloy, Ti-5Al-2.5Fe alloy, Ti-5Al-1.5B close Gold, Ti-6Al-7Nb alloy, Ti-15Mo-5Zr-3Al alloy, skeleton, bio-compatible pottery or its Combination.
3 D-printing method the most according to claim 1, it is characterised in that described in comparison three Also include before the outline data of dimension entity and the outline data of described matrix:
The outline data of described 3D solid and the outline data of described matrix are carried out Coordinate Conversion.
3 D-printing method the most according to claim 1, it is characterised in that described base material is provided Mode include:
Formed in mould mode is utilized to form described base material.
3 D-printing method the most according to claim 1, it is characterised in that described titanium is Powder body or colloid.
3 D-printing method the most according to claim 1, it is characterised in that described titanium is fitted After being irradiated by laser, cladding is in described processing space.
3 D-printing method the most according to claim 1, it is characterised in that the body of described matrix The ratio of the volume of long-pending and described Three-dimension process body is between 0.0001 to 0.01.
CN201510171038.XA 2015-03-13 2015-04-13 three-dimensional printing method Pending CN106141173A (en)

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CN109614695A (en) * 2018-12-10 2019-04-12 可脉检测(南京)有限公司 A kind of method and its application for analyzing fracture micromorphology by 3D printing technique

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US20100191345A1 (en) * 2007-05-29 2010-07-29 Lima-Lto Spa Prosthetic element and relative method to make it
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US20040210309A1 (en) * 2001-10-11 2004-10-21 Denzer Alain J Osteophilic implants
US20070203584A1 (en) * 2006-02-14 2007-08-30 Amit Bandyopadhyay Bone replacement materials
US20100191345A1 (en) * 2007-05-29 2010-07-29 Lima-Lto Spa Prosthetic element and relative method to make it
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Application publication date: 20161123