CN1785555A - Preparation method of laser sintered fast shaping material - Google Patents
Preparation method of laser sintered fast shaping material Download PDFInfo
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- CN1785555A CN1785555A CNA2005100200155A CN200510020015A CN1785555A CN 1785555 A CN1785555 A CN 1785555A CN A2005100200155 A CNA2005100200155 A CN A2005100200155A CN 200510020015 A CN200510020015 A CN 200510020015A CN 1785555 A CN1785555 A CN 1785555A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
A process for preparing the material to be quickly shaped by laser sinter includes such steps as pulverizing phenolic resin or epoxy resin, adding it along with the metal or alloy powder to be sintered into ball grinder proportionally, and ball grinding.
Description
Technical field
The invention belongs to the advanced manufacturing technology field, be specifically related to the preparation method that the selective laser sintering indirect method is made the dusty material of metal parts or mould fast.
Technical background
At present, the production of metal parts or mould and processing mainly are to make by methods such as machined or castings.The pressing mold of the general employing of casting wax-pattern, template and mold and pattern for casting tool etc. generally all are machined and manual finishing, and the process-cycle is long, expense is high.For some complex-shaped parts, as the cylinder body of steamer and aircraft engine impeller, automobile, tank, cylinder cap etc., the manufacturing of mould is the bottleneck of restriction China manufacturing industry fast development always.RP technique provides a shortcut for the short period of realizing the mould manufacturing, many kinds, low expense.Dropping at present the quick forming method of using in the world has kind more than ten, and wherein (Selective Laser Sintering, SLS) the technology field that is widely used just is being subjected to increasing attention to selective laser sintering.Utilize the SLS technology can directly make the metal parts or the mould of Any shape complexity automatically and promptly from three-dimensional CAD model, its process for making comprises: metal powder material → laser successively scans thermal sintering → post processing.Be about to metal dust by the laser sintered shape blank that obtains metal, the low-density often vesicular texture of this shape blank, intensity and hardness are lower, can not directly apply to the actual production demand, must be through post processing.After infiltrating the lower metal of the second phase fusing point, post processing directly forms metal parts or mould.At home, the selective laser sintering RP technique begins one's study, used dusty material mainly is dusty materials such as plastic powders (as polystyrene, nylon powder and polycarbonate powder), ABS powder, wax powder and precoated sand, also is in the Primary Study stage for the preparation and the thermal sintering Study on Technology thereof of metal powder material.And at present, metal powder material prepare the method that great majority still adopt coating film metal powder, and this method is to clean grease, oxide and wetting surface treatment to being comprised by the overlay film metal dust, mixed, the oven dry of metal dust after preparation coating solution and the surface treatment then, through pulverizing, adding other element, make the coating film metal powder that is used for laser sintering rapid forming technology metal parts or mould again.Above-mentioned this preparation method's complex process, the process-cycle is long, the cost height, and also unfavorable to environment.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of preparation method of laser sintered fast shaping material is provided, it is good that the prepared fast shaping material of this method has sintering character, the advantage that forming accuracy is high.
The preparation method of a kind of laser sintered fast shaping material provided by the invention the steps include: at first will to be crushed in the 50 μ m as the phenolic resins or the epoxy resin of binding agent; Again with metal or alloy powder to be sintered with pulverize after binding agent join in the ball mill, mix and get final product; Wherein the granularity of metal or alloy powder is-200 orders～-500 orders, and the mass ratio of metal or alloy powder and binding agent is 100: 2～100: 5, and the volume ratio of batch mixing ball and each material powder is 1: 2～1: 4.
It is simple that the present invention has technology, and the process-cycle is short, and cost is low, and the characteristics of environmental protection.Adopt the selective laser sintering fast shaping material sintering character of the inventive method preparation good, adhesion strength height, forming accuracy height.The selective laser sintering that the present invention helps to realize metal parts or mould is made fast, has widened the scope of laser sintered technology shaping powder, is with a wide range of applications in quick shaping field.
Concrete embodiment
The present invention is further illustrated below in conjunction with concrete example.
Embodiment 1:
At first the epoxy resin E12 of bulk being pulverized and being machined to particle diameter is about 5mm, then the epoxy particles of particle diameter position 5mm is further pulverized in the air-flow fluid bed and be machined to the powder that particle diameter is 15 μ m, get 1000 grams-200 purpose 316L stainless steel powders, be that 100: 2 ratio is put into the powder machine that mixes with 316L stainless steel powder and epoxy powder in mass ratio then, and by adding batch mixing ball, mixed 1 hour at 1: 2 with the volume ratio of raw material.
Embodiment 2:
At first the binding agent of bulk being pulverized and being machined to particle diameter is about 5mm, then the phenolic resin particle of particle diameter position 5mm is further pulverized in the air-flow fluid bed and be machined to the powder that particle diameter is 10 μ m, get 1000 gram-300 purpose Fe powder and graphite powder (100: 5) as alloyed powder, the ratio that with alloyed powder and phenolic resins powder in mass ratio is 100: 3 is at last put into the powder machine that mixes as raw materials for sintering, add the batch mixing ball at 1: 3 by volume ratio at last, got final product in mixed 1.5 hours with raw material.
Embodiment 3:
At first the epoxy resin of bulk being pulverized and being machined to particle diameter is about 5mm, then the epoxy particles of particle diameter position 5mm is further pulverized in the air-flow fluid bed and be machined to the powder that particle diameter is 20 μ m, got 1000 gram-500 purpose Fe powder and Cu powder, Ni powder and graphite powder (100: 4.5: 2.5: 1) as alloyed powder, be that 100: 5 ratio is put into and mixed the powder machine as raw materials for sintering with alloyed powder and epoxy powder in mass ratio at last, add the batch mixing ball at 1: 4 by the volume ratio with raw material at last, mixed 2 hours to evenly getting final product.
Employed metal or alloy powder to be sintered is identical with the employed raw material of existing preparation fast shaping material in the inventive method.Usually selecting Fe powder or Fe base alloyed powder for use, also can be alloy powders such as Al-Mg-Si.The granularity of metal or alloy powder is-200～-500 orders.Fe base alloyed powder is to add other powder such as Cu powder, Al powder, Ni powder, Ni powder or graphite in the Fe powder, wherein the mass ratio of Fe powder and other powder≤100: 8.
Binding agent particle diameter used in the present invention gets final product less than 50 μ m, but the more little effect of particle diameter is good more.Be subjected to the influence of processing technology, be difficult to usually be worked into below the 10 μ m.
The dusty material that is applicable to laser sintering rapid forming technology metal parts or mould that the present invention makes, check after tested, its main performance index is as follows:
Outward appearance: grey
Granularity :-200～-500 orders
Shape temperature: 200～300 ℃
Shrinkage factor:＜0.5%.
Claims (1)
1, a kind of preparation method of laser sintered fast shaping material the steps include:
At first will be crushed in the 50 μ m as the phenolic resins or the epoxy resin of binding agent; Again with metal or alloy powder to be sintered with pulverize after binding agent join in the ball mill, mix and get final product; The granularity of metal or alloy powder-200 order～-500 orders wherein, the mass ratio of metal or alloy powder and binding agent is 100: 2～100: 5, the volume ratio of batch mixing ball and each material powder is 1: 2～1: 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100200155A CN100393452C (en) | 2005-12-16 | 2005-12-16 | Preparation method of laser sintered fast shaping material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100200155A CN100393452C (en) | 2005-12-16 | 2005-12-16 | Preparation method of laser sintered fast shaping material |
Publications (2)
| Publication Number | Publication Date |
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| CN1785555A true CN1785555A (en) | 2006-06-14 |
| CN100393452C CN100393452C (en) | 2008-06-11 |
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| CNB2005100200155A Active CN100393452C (en) | 2005-12-16 | 2005-12-16 | Preparation method of laser sintered fast shaping material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446897C (en) * | 2006-08-02 | 2008-12-31 | 南昌航空工业学院 | Method for precinct laser sintering fast manufacture metal die |
| CN104368815A (en) * | 2014-11-14 | 2015-02-25 | 山东省科学院新材料研究所 | Method for preparing nanoscale spherical Si-phase Al-Si alloy through selective laser melting |
| CN105819743A (en) * | 2016-03-29 | 2016-08-03 | 杭州电子科技大学 | Method for preparing gem and jade devices with three-dimensional printing technology |
| CN105903963A (en) * | 2016-06-14 | 2016-08-31 | 电子科技大学 | Bulk alloy preparation system and preparation method thereof |
| CN108025495A (en) * | 2015-09-14 | 2018-05-11 | 老虎涂料有限责任及两合公司 | The purposes of thermosetting polymer powder composition |
| CN108788123A (en) * | 2018-05-08 | 2018-11-13 | 苏州耐思特塑胶有限公司 | A kind of preparation method of metal die dusty material |
| CN111778420A (en) * | 2020-07-14 | 2020-10-16 | 广东科学技术职业学院 | Graphite/metal-based self-lubricating composite material and 3D printing preparation method thereof |
| US11577458B2 (en) | 2018-06-29 | 2023-02-14 | 3M Innovative Properties Company | Additive layer manufacturing method and articles |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3446694B2 (en) * | 1999-11-25 | 2003-09-16 | 松下電工株式会社 | Powder material for manufacturing a three-dimensional shaped object, a method for producing a three-dimensional shaped object, and a three-dimensional shaped object |
| CN1193849C (en) * | 2001-07-05 | 2005-03-23 | 北京北方恒利科技发展有限公司 | Film coating metal powder material for laser sintering quick formed metal die |
| CN1189428C (en) * | 2002-04-26 | 2005-02-16 | 北京北方恒利科技发展有限公司 | Film coated ceramic powder material for laser sintering fast formed ceramic parts |
| US20040081573A1 (en) * | 2002-10-23 | 2004-04-29 | 3D Systems, Inc. | Binder removal in selective laser sintering |
| DE102004008054B8 (en) * | 2003-02-25 | 2007-02-08 | Matsushita Electric Works, Ltd., Kadoma | Metal powder composition for use in selective laser sintering |
-
2005
- 2005-12-16 CN CNB2005100200155A patent/CN100393452C/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446897C (en) * | 2006-08-02 | 2008-12-31 | 南昌航空工业学院 | Method for precinct laser sintering fast manufacture metal die |
| CN104368815A (en) * | 2014-11-14 | 2015-02-25 | 山东省科学院新材料研究所 | Method for preparing nanoscale spherical Si-phase Al-Si alloy through selective laser melting |
| CN108025495A (en) * | 2015-09-14 | 2018-05-11 | 老虎涂料有限责任及两合公司 | The purposes of thermosetting polymer powder composition |
| US10780630B2 (en) | 2015-09-14 | 2020-09-22 | Tiger Coatings Gmbh & Co. Kg | Use of a thermosetting polymeric powder composition |
| CN105819743A (en) * | 2016-03-29 | 2016-08-03 | 杭州电子科技大学 | Method for preparing gem and jade devices with three-dimensional printing technology |
| CN105903963A (en) * | 2016-06-14 | 2016-08-31 | 电子科技大学 | Bulk alloy preparation system and preparation method thereof |
| CN105903963B (en) * | 2016-06-14 | 2018-07-06 | 电子科技大学 | A kind of bulk alloy preparation system and preparation method thereof |
| CN108788123A (en) * | 2018-05-08 | 2018-11-13 | 苏州耐思特塑胶有限公司 | A kind of preparation method of metal die dusty material |
| US11577458B2 (en) | 2018-06-29 | 2023-02-14 | 3M Innovative Properties Company | Additive layer manufacturing method and articles |
| CN111778420A (en) * | 2020-07-14 | 2020-10-16 | 广东科学技术职业学院 | Graphite/metal-based self-lubricating composite material and 3D printing preparation method thereof |
| CN111778420B (en) * | 2020-07-14 | 2022-04-12 | 广东科学技术职业学院 | Graphite/metal-based self-lubricating composite material and 3D printing preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN100393452C (en) | 2008-06-11 |
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Assignee: Wuhan Binhu Mechanical & Electrical Co., Ltd. Assignor: Huazhong University of Science and Technology Contract fulfillment period: 2009.8.25 to 2016.8.25 contract change Contract record no.: 2009420010051 Denomination of invention: Preparation method of laser sintered fast shaping material Granted publication date: 20080611 License type: Exclusive license Record date: 2009.9.8 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.8.25 TO 2016.8.25; CHANGE OF CONTRACT Name of requester: WUHAN BINHU ELECTROMECHANICAL TECHNOLOGY INDUSTRY Effective date: 20090908 |
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Assignee: Wuhan Binhu Mechanical & Electrical Co., Ltd. Assignor: Huazhong University of Science and Technology Contract record no.: 2009420010051 Date of cancellation: 20140529 |
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