CN106270522A - A kind of for metal injection molded feeding and preparation method thereof - Google Patents
A kind of for metal injection molded feeding and preparation method thereof Download PDFInfo
- Publication number
- CN106270522A CN106270522A CN201610846346.2A CN201610846346A CN106270522A CN 106270522 A CN106270522 A CN 106270522A CN 201610846346 A CN201610846346 A CN 201610846346A CN 106270522 A CN106270522 A CN 106270522A
- Authority
- CN
- China
- Prior art keywords
- feeding
- binding agent
- injection molded
- parts
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
Abstract
A kind of being mixed by metal dust and binding agent for metal injection molded feeding, belong to metal forming field, wherein, binding agent is 9.2～10.5wt%, and metal dust is 89.5～90.8wt%, and metal powder laser particle size distribution D90 is 18 30 μm；Binding agent includes polyformaldehyde, high molecular polymer, plasticizer, surfactant, compatilizer and lubricant.The preparation method of a kind of above-mentioned feeding, obtains binding agent by polyformaldehyde, high molecular polymer, compatilizer, plasticizer, surfactant and lubricant after 150～200 DEG C of mix homogeneously；Again binding agent and metal dust are mixed to prepare feeding.This feeding good fluidity, bonding agent easily removes, and the product size precision obtained is high, impurity content is few.The preparation method of this feeding is easy and simple to handle, can be efficiently obtained by uniform feeding and not damage compositions various in feeding, well having ensured the using effect of feeding.
Description
Technical field
The present invention relates to metal forming field, in particular to a kind of for metal injection molded feeding and system thereof
Preparation Method.
Background technology
Metal injection molded (Metal Injection Molding is called for short MIM) is extended by injection-moulding plastic,
Metal injection molded technology and Plastics Injection Molding Technology are likewise supplied with disposal molding complicated shape goods, product size precision
High and without machining or only need the advantages such as trace processing.Meanwhile, metal injection molded technology also overcomes conventional plastic
The shortcoming that in type technology, product strength is the highest.
Metal injection molded generally include the steps such as the preparation of feeding, injection moulding, defat and sintering.The preparation of feeding is
A highly important ring, feeding is generally formed by metal dust and binding agent kneading, and wherein the component composition of binding agent is particularly closed
Key, directly affects the operations such as mixing, injection moulding, defat, to being injected into the quality of parison, defat and dimensional accuracy, alloy
Compositions etc. have a great impact.Good binding agent needs possess good mobility and intensity, and can in subsequent handling
Slough very easily, do not affect quality and the composition of final products.At present, it is commercially for metal injection molded feeding
Material all rests in external major company on hand, governs the fast development of domestic the sector, studies and be developed for metal injection
The feeding of molding is the most necessary.
Summary of the invention
It is an object of the invention to provide a kind of for metal injection molded feeding, its good fluidity, easily inject
Molding, the injection base obtained after molding has enough intensity, and the binding agent in feeding is readily removed, does not interferes with final products
Quality and composition.
Another object of the present invention is to provide a kind of preparation method for metal injection molded feeding, it operates letter
Folk prescription is just, it is possible to being efficiently obtained by required for metal injection molded feeding, the feeding obtained is evenly distributed, mobility
Good.
Embodiments of the invention are achieved in that
A kind of it is mixed by metal dust and binding agent for metal injection molded feeding, wherein, the matter of binding agent
Amount mark is 9.2～10.5%, and the mass fraction of metal dust is 89.5～90.8%, the Laser particle-size distribution of metal dust
D90 is 18-30 μm；Counting by weight, binding agent includes polyformaldehyde 75～85 parts, high molecular polymer 6～12 parts, plasticizer
3～8 parts, surfactant 0.5～1.5 parts, compatilizer 1～5 parts and lubricant 1～5 parts.
A kind of above-mentioned preparation method for metal injection molded feeding, including: by polyformaldehyde, high molecular polymer,
Compatilizer, plasticizer, surfactant and lubricant obtain binding agent after 150～200 DEG C of mix homogeneously；Again by binding agent and
Metal dust is mixed to prepare feeding.
The embodiment of the present invention provides the benefit that: it is a kind of for metal injection molded feeding, bonding that the present invention provides
The ratio of agent and metal dust is suitable, the suitable granularity of complexed metal powder, it is possible to ensure that being evenly distributed of feeding, mobility are excellent
Different.The binding agent of feeding uses polyformaldehyde as substrate, can remove by acid catalysis in follow-up defat, and removing rapidly and takes off
Fat rate is high.The high molecular polymer selected enhances the intensity of injection base so that it is do not deform in forming process.And it is compatible
Binding agent is modified by agent, plasticizer, surfactant and lubricant the most from many aspects, under each component is worked in coordination,
Also having possessed enough intensity while ensureing feeding mobility, the product size precision obtained is high, impurity content is few.The present invention
There is provided is a kind of for metal injection molded feeding, easy and simple to handle, can be efficiently obtained by uniform feeding and not to feeding
In various compositions damage, well ensured the using effect of feeding.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will be in the embodiment of the present invention
Technical scheme be clearly and completely described.In embodiment, unreceipted actual conditions person, builds according to normal condition or manufacturer
The condition of view is carried out.Agents useful for same or instrument unreceipted production firm person, being can be by the commercially available conventional product bought and obtain
Product.
Below a kind of of the embodiment of the present invention is carried out specifically for metal injection molded feeding and preparation method thereof
Bright.
A kind of it is mixed by metal dust and binding agent for metal injection molded feeding, wherein, the matter of binding agent
Amount mark is 9.2～10.5%, and the mass fraction of metal dust is 89.5～90.8%, the Laser particle-size distribution of metal dust
D90 is 18-30 μm；Counting by weight, binding agent includes polyformaldehyde 75～85 parts, high molecular polymer 6～12 parts, plasticizer
3～8 parts, surfactant 0.5～1.5 parts, compatilizer 1～5 parts and lubricant 1～5 parts.
Further, in other preferred embodiment of the present invention, counting by weight, binding agent includes polyformaldehyde 78～83
Part, high molecular polymer 8～12 parts, plasticizer 5～8 parts, surfactant 0.5～1 part, compatilizer 1～3 parts and lubricant 1
～3 parts.
Further, in other preferred embodiment of the present invention, high molecular polymer is polyethylene, polypropylene and is randomly total to
At least one in poly-polyethylene, polyformaldehyde is at least one in acefal homopolymer and copolymerized methanal.Polyformaldehyde is at about 170 DEG C
Starting to melt, its pyrolysis temperature is close to 300 DEG C, it is possible to meet conventional batch mixing requirement.Polyformaldehyde can be used in subsequent treatment
Acid catalysis defat, defat speed is fast, degreasing rate is high.High molecular polymer is then to play support in the injection base after catalysis degreasing
Effect, keeps injection base shape, it is therefore necessary to while having enough intensity, also to have certain acid resistance, and in order to
Can slough easily in follow-up presintering, selected high molecular polymer must also possess thermoplasticity.
Further, in other preferred embodiment of the present invention, plasticizer is dioctyl phthalate and O-phthalic
At least one in dibutyl phthalate.Plasticizer can change being smoothed out of the mobility of binding agent, beneficially injection process.
Further, in other preferred embodiment of the present invention, surfactant is zinc stearate.Surfactant is permissible
Interaction between reinforcement metal powder and binding agent, allows feeding mix more uniform, and surfactant mostly is stearic acid
One class reagent, but in order to avoid polyformaldehyde decomposes in acid condition, and use stearate, specially zinc stearate.
Further, in other preferred embodiment of the present invention, compatilizer is ethylene-vinyl acetate copolymer, ethylene propylene
At least one of olefin(e) acid copolymer and acrylate copolymer.The Main Function of compatilizer is to allow polyformaldehyde and high molecular polymer
Can be the most miscible, it is to avoid binding agent produces when injection and is separated.This kind of compatilizer typically contains similar to polyformaldehyde
Carbon-oxygen bond and the aliphatic chain similar to high molecular polymer play the effect of transition.
Further, in other preferred embodiment of the present invention, lubricant includes in paraffin, Cera Flava, Oleum Camelliae and Oleum Arachidis hypogaeae semen
At least one.Lubricant mostly is some little molecule implants, can be as filling also between the polymer molecule in binding agent
Play the effect of lubrication, increase the mobility of binding agent.
A kind of above-mentioned preparation method for metal injection molded feeding, including: by polyformaldehyde, high molecular polymer,
Compatilizer, plasticizer, surfactant and lubricant obtain binding agent after 150～200 DEG C of mix homogeneously；Again by binding agent and
Metal dust is mixed to prepare feeding.
Further, in other preferred embodiment of the present invention, by polyformaldehyde, high molecular polymer, compatilizer in 195～
Under the vacuum environment of 200 DEG C, mix homogeneously obtains compound, is cooled to 150～160 DEG C, adds plasticizer, table in compound
Binding agent is obtained after face activating agent, mix lubricant are uniform.First mix at 195～200 DEG C, it is ensured that mixing temperature is respectively
On the fusing point of high molecular component, high molecular component can fully be melted and mix homogeneously, then be down to 150～160 DEG C of additions
Small molecule component, can avoid small molecule component to be at high temperature destroyed as far as possible.
Further, in other preferred embodiment of the present invention, metal dust is preheating to 150～160 DEG C, after preheating
Metal dust in add binding agent, keeps 150～160 DEG C kneadings 2～3h, more extruded and broken after, obtain feeding.By gold
Belong to powder to be preheating to the temperature suitable with binding agent and be that binding agent mixes, be possible to prevent binding agent due to variations in temperature excessive and
Plasticity is caused to reduce thus the situation appearance of batch mixing inequality, to obtain with uniform feeding.
Further, in other preferred embodiment of the present invention, also include that feeding kneading completed is extruded and cooled down
After cut into particulate material, use during to facilitate injection moulding.
Below in conjunction with embodiment, inventive feature and performance are described in further detail.
Embodiment 1
The present embodiment provides a kind of for metal injection molded feeding, following steps prepare:
75kg acefal homopolymer, 8kg polyethylene, 3kg ethylene acrylic acid co polymer are joined in de-airing mixer, in 200
DEG C vacuum environment under mix homogeneously obtain compound, be cooled to 160 DEG C, in compound add 5kg phthalic acid two pungent
Binding agent is obtained after ester, 0.5kg zinc stearate, 4kg paraffin mix homogeneously.
943kg metal dust added in kneader and is preheating to 160 DEG C, the metal dust after preheating adding above-mentioned
Binding agent, keeps 160 DEG C to mediate 2h, is extruded into bar with material-extruding machine, and is broken into graininess, obtain feeding.
Embodiment 2
The present embodiment provides a kind of for metal injection molded feeding, following steps prepare:
78kg acefal homopolymer, 10kg polyethylene, 2kg ethylene-vinyl acetate copolymer are joined in de-airing mixer, in
Under the vacuum environment of 200 DEG C, mix homogeneously obtains compound, is cooled to 160 DEG C, adds 6kg phthalic acid two in compound
Binding agent is obtained after monooctyl ester, 1kg zinc stearate, 1kg paraffin mix homogeneously.
934kg metal dust added in kneader and is preheating to 160 DEG C, the metal dust after preheating adding above-mentioned
Binding agent, keeps 160 DEG C to mediate 2h, is extruded into bar with material-extruding machine, and is broken into graininess, obtain feeding.
Embodiment 3
The present embodiment provides a kind of for metal injection molded feeding and preparation method thereof, following steps prepare:
80kg acefal homopolymer, 7kg polypropylene, 3kg ethylene acrylic acid co polymer are joined in de-airing mixer, in 200
DEG C vacuum environment under mix homogeneously obtain compound, be cooled to 160 DEG C, in compound add 5kg phthalic acid two pungent
Binding agent is obtained after ester, 1kg zinc stearate, 3kg paraffin mix homogeneously.
922kg metal dust added in kneader and is preheating to 160 DEG C, the metal dust after preheating adding above-mentioned
Binding agent, keeps 160 DEG C to mediate 2h, is extruded into bar with material-extruding machine, and is broken into graininess, obtain feeding.
Embodiment 4
The present embodiment provides a kind of for metal injection molded feeding and preparation method thereof, following steps prepare:
85kg acefal homopolymer, 12kg polyethylene, 1kg acrylate copolymer are joined in de-airing mixer, in 195 DEG C
Vacuum environment under mix homogeneously obtain compound, be cooled to 160 DEG C, in compound add 4kg dioctyl phthalate,
Binding agent is obtained after 1.5kg zinc stearate, 1kg Oleum Arachidis hypogaeae semen mix homogeneously.
1019kg metal dust is added in kneader and is preheating to 160 DEG C, the metal dust after preheating adds
State binding agent, keep 160 DEG C to mediate 2h, be extruded into bar with material-extruding machine, and be broken into graininess, obtain feeding.
Embodiment 5
The present embodiment provides a kind of for metal injection molded feeding and preparation method thereof, following steps prepare:
83kg acefal homopolymer, 6kg polypropylene, 2kg acrylate copolymer are joined in de-airing mixer, in 200 DEG C
Vacuum environment under mix homogeneously obtain compound, be cooled to 150 DEG C, in compound add 8kg dibutyl phthalate,
Binding agent is obtained after 0.5kg zinc stearate, 3kg Cera Flava mix homogeneously.
912kg metal dust added in kneader and is preheating to 160 DEG C, the metal dust after preheating adding above-mentioned
Binding agent, keeps 160 DEG C to mediate 2h, is extruded into bar with material-extruding machine, and is broken into graininess, obtain feeding.
Embodiment 6
The present embodiment provides a kind of for metal injection molded feeding and preparation method thereof, following steps prepare:
77kg acefal homopolymer, 10kg random copolymerization polyethylene, 3kg ethylene-vinyl acetate copolymer are joined vacuum and stir
Mixing in machine, under the vacuum environment of 195 DEG C, mix homogeneously obtains compound, is cooled to 150 DEG C, adds 3kg adjacent in compound
Binding agent is obtained after phthalic acid dibutyl ester, 0.5kg zinc stearate, 5kg Cera Flava mix homogeneously.
840kg metal dust added in kneader and is preheating to 160 DEG C, the metal dust after preheating adding above-mentioned
Binding agent, keeps 160 DEG C to mediate 2h, is extruded into bar with material-extruding machine, and is broken into graininess, obtain feeding.
Embodiment 7
The present embodiment provides a kind of for metal injection molded feeding and preparation method thereof, following steps prepare:
81kg acefal homopolymer, 9kg random copolymerization polyethylene, 5kg ethylene-vinyl acetate copolymer are joined vacuum stirring
In machine, under the vacuum environment of 200 DEG C, mix homogeneously obtains compound, is cooled to 160 DEG C, adds 5kg neighbour's benzene in compound
Binding agent is obtained after dibutyl carboxylic acid, 1.5kg zinc stearate, 2kg Oleum Camelliae mix homogeneously.
901kg metal dust added in kneader and is preheating to 160 DEG C, the metal dust after preheating adding above-mentioned
Binding agent, keeps 160 DEG C to mediate 2h, is extruded into bar with material-extruding machine, and is broken into graininess, obtain feeding.
Test example
Take that appropriate embodiment 1～7 provided for metal injection molded feeding, with vertical injection at 160 DEG C
Injection moulding, and at 120 DEG C, carry out catalysis degreasing 6h with nitric acid in catalysis degreasing stove, at 1300 DEG C, then carry out pre-burning
Knot, and it is warming up to 2400 DEG C of sintering prepared length about 40mm, wide cube test samples being about 30mm, height about 5mm, go forward side by side
The following test of row:
1. with length and width and the height of slide gauge accurate experiment with measuring sample, and compare with standard sample, entered by following formula
Row calculates: A=| a-a0|/a0, B=| b-b0|/b0, C=| c-c0|/c0；Wherein, A, B, C are respectively error in length, width error
And height error, a, b, c are respectively length and width and the height of test sample, a0、b0、c0Occurrence be respectively 40mm, 30mm and
5mm, result of calculation is as shown in table 1；
2. weigh with scale and inject the quality of base and defat the quality of dried injection base before defat, by following formula meter
Calculation degreasing rate: D=(m1-m2)/m0；Wherein, D is degreasing rate, m1For injecting the quality of base, m before defat2For defat dried
Injection base, m0The quality of the binding agent by being used, result of calculation is as shown in table 1；
3. the length and width of the injection base before sintering with vernier caliper measurement and height, by following formula shrinkage from mold dimensions: α=a/a1,
β=b/b1, γ=c/c1；Wherein, α, β, γ are respectively Length Contraction rate, shrinkage in width rate and high shrinkage rate, and a, b, c are respectively
For length and width and the height of test sample, a1、b1、c1It is respectively length and width and height, result of calculation such as table 1 institute of the injection base before sintering
Show.
The injection moulding measure of merit of the feeding that table 1 embodiment 1～7 is provided
As can be seen from Table 1, use the present embodiment 1～7 provided for prepared by metal injection molded feeding
Test sample scale error is less than 1.3%, has the highest dimensional accuracy.This feeding is in catalysis degreasing step, and 6h is cohesion
The degreasing rate of formaldehyde is up to 92%, and removing speed is fast, and degreasing rate is high.In follow-up sintering step, shrinkage factor 84%～
Between 88%, it is thus achieved that test sample density and mechanical strength the most excellent.
In sum, a kind of ratio for metal injection molded feeding, binding agent and metal dust that the present invention provides
Example is suitable, the suitable granularity of complexed metal powder, it is possible to ensure that being evenly distributed of feeding, mobility are excellent.The binding agent of feeding
Using polyformaldehyde as substrate, can remove by acid catalysis in follow-up defat, rapidly and degreasing rate is high in removing.The height selected
Molecularly Imprinted Polymer enhances the intensity of injection base so that it is do not deform in forming process.And compatilizer, plasticizer, surface
Binding agent is modified by activating agent and lubricant the most from many aspects, under each component is worked in coordination, is ensureing feeding mobility
While also possessed enough intensity, the product size precision obtained is high, indeformable, impurity content is few.The present invention provides
A kind of for metal injection molded feeding, easy and simple to handle, uniform feeding can be efficiently obtained by and not to various in feeding
Composition damages, and has well ensured the using effect of feeding.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. one kind is used for metal injection molded feeding, it is characterised in that be mixed by metal dust and binding agent, wherein,
The mass fraction of described binding agent is 9.2～10.5%, and the mass fraction of described metal dust is 89.5～90.8%, described gold
The Laser particle-size distribution D90 belonging to powder is 18-30 μm；Counting by weight, described binding agent includes polyformaldehyde 75～85 parts, height
Molecularly Imprinted Polymer 6～12 parts, plasticizer 3～8 parts, surfactant 0.5～1.5 parts, compatilizer 1～5 parts and lubricant 1～5
Part.
The most according to claim 1 for metal injection molded feeding, it is characterised in that to count by weight, described
Binding agent include polyformaldehyde 78～83 parts, high molecular polymer 8～12 parts, plasticizer 5～8 parts, surfactant 0.5～1 part,
Compatilizer 1～3 parts and lubricant 1～3 parts.
The most according to claim 1 for metal injection molded feeding, it is characterised in that described high molecular polymer is
At least one in polyethylene, polypropylene and random copolymerization polyethylene, described polyformaldehyde is in acefal homopolymer and copolymerized methanal
At least one.
The most according to claim 1 for metal injection molded feeding, it is characterised in that described plasticizer is adjacent benzene two
At least one in formic acid dioctyl ester and dibutyl phthalate.
The most according to claim 1 for metal injection molded feeding, it is characterised in that described surfactant is hard
Fat acid zinc.
The most according to claim 1 for metal injection molded feeding, it is characterised in that described compatilizer be ethylene-
At least one in acetate ethylene copolymer, ethylene acrylic acid co polymer and acrylate copolymer.
The most according to claim 1 for metal injection molded feeding, it is characterised in that described lubricant includes stone
At least one in wax, Cera Flava, Oleum Camelliae and Oleum Arachidis hypogaeae semen.
8. the preparation method for metal injection molded feeding as described in any one of claim 1～7, its feature exists
In, comprise the following steps: by described polyformaldehyde, described high molecular polymer, described compatilizer, described plasticizer, described surface
Activating agent and described lubricant obtain described binding agent after 150～200 DEG C of mix homogeneously；Again by described binding agent and described gold
Belong to powder and be mixed to prepare described feeding.
Preparation method the most according to claim 8, it is characterised in that by described polyformaldehyde, described high molecular polymer and
Described compatilizer mix homogeneously under the vacuum environment of 195～200 DEG C obtains compound, is cooled to 150～160 DEG C, to described
Compound adds described plasticizer, described surfactant and described mix lubricant uniformly after obtain described binding agent.
Preparation method the most according to claim 8, it is characterised in that described metal dust is preheating to 150～160 DEG C,
Described metal dust after preheating adds described binding agent, keeps 150～160 DEG C of kneadings 2～3h, more extruded and crush
After, obtain described feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610846346.2A CN106270522A (en) | 2016-09-23 | 2016-09-23 | A kind of for metal injection molded feeding and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610846346.2A CN106270522A (en) | 2016-09-23 | 2016-09-23 | A kind of for metal injection molded feeding and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106270522A true CN106270522A (en) | 2017-01-04 |
Family
ID=57711877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610846346.2A Pending CN106270522A (en) | 2016-09-23 | 2016-09-23 | A kind of for metal injection molded feeding and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106270522A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107914007A (en) * | 2017-11-06 | 2018-04-17 | 江苏精研科技股份有限公司 | A kind of powder injection-molded soft magnetic materials and its preparation process |
| CN108393483A (en) * | 2017-02-07 | 2018-08-14 | 江苏天超细金属粉末有限公司 | A kind of metal powder injection molding feeding and preparation method thereof |
| CN109014213A (en) * | 2018-09-03 | 2018-12-18 | 深圳市贝斯特精工科技有限公司 | A kind of production method of the powder injection forming sintering feeding with special odor |
| CN109014212A (en) * | 2018-08-15 | 2018-12-18 | 上海精科粉末冶金科技有限公司 | A kind of processing method of metal injection molding technology production 5G communication isolator |
| CN109047750A (en) * | 2018-07-18 | 2018-12-21 | 东莞华晶粉末冶金有限公司 | The preparation method of 310 powder of stainless steel feeding of environment-friendly type and 310 powder of stainless steel components |
| CN110421174A (en) * | 2019-07-30 | 2019-11-08 | 中山市金瓷科技有限公司 | A kind of iron-based feeding formula of metal powder injection molded stainless steel-and production method |
| CN111014641A (en) * | 2018-10-10 | 2020-04-17 | 中南大学 | High-fluidity polyoxymethylene binder for metal injection molding and preparation method of feed thereof |
| CN111875919A (en) * | 2020-08-19 | 2020-11-03 | 潮州市潮发科技有限公司 | Elastic powder forming feeding formula |
| CN111922346A (en) * | 2020-07-31 | 2020-11-13 | 兰州金浩机械制造有限公司 | Feeding binder for Kowa alloy injection molding and preparation method thereof |
| CN112045181A (en) * | 2020-09-18 | 2020-12-08 | 通达（厦门）精密橡塑有限公司 | Stainless steel feed and stainless steel part as well as preparation method and application thereof |
| CN113500192A (en) * | 2021-05-25 | 2021-10-15 | 宁波市鑫瑞鸿新材料科技有限公司 | High-fluidity high-strength metal powder injection molding feed and application method thereof |
| CN113976890A (en) * | 2021-10-20 | 2022-01-28 | 江西虔悦新材料有限公司 | Adhesive, preparation method thereof and application of adhesive in metal powder injection molding |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2292750A (en) * | 1992-06-02 | 1996-03-06 | Advanced Materials Technology | Metal injection-moulding |
| JP2004525264A (en) * | 2001-04-24 | 2004-08-19 | フォルシュングスツェントルム・ユーリッヒ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Manufacture of structural members by metal injection molding |
| CN1644278A (en) * | 2005-01-12 | 2005-07-27 | 北京科技大学 | Ti6Al4V alloy injection forming method |
| CN101037579A (en) * | 2006-03-14 | 2007-09-19 | 中南大学 | Adhesive for powder injection forming and preparation method thereof |
| CN101353561A (en) * | 2008-09-04 | 2009-01-28 | 中南大学 | Catalysis degreasing type adhesive for powder injection moulding and preparation of material feeding thereof |
| CN103143711A (en) * | 2013-02-06 | 2013-06-12 | 李上奎 | Artificial tooth and preparation method thereof |
| CN105131508A (en) * | 2015-09-28 | 2015-12-09 | 王有才 | Binding agent for powder injection moulding, preparation method and application method of binding agent |
-
2016
- 2016-09-23 CN CN201610846346.2A patent/CN106270522A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2292750A (en) * | 1992-06-02 | 1996-03-06 | Advanced Materials Technology | Metal injection-moulding |
| JP2004525264A (en) * | 2001-04-24 | 2004-08-19 | フォルシュングスツェントルム・ユーリッヒ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Manufacture of structural members by metal injection molding |
| CN1644278A (en) * | 2005-01-12 | 2005-07-27 | 北京科技大学 | Ti6Al4V alloy injection forming method |
| CN101037579A (en) * | 2006-03-14 | 2007-09-19 | 中南大学 | Adhesive for powder injection forming and preparation method thereof |
| CN101353561A (en) * | 2008-09-04 | 2009-01-28 | 中南大学 | Catalysis degreasing type adhesive for powder injection moulding and preparation of material feeding thereof |
| CN103143711A (en) * | 2013-02-06 | 2013-06-12 | 李上奎 | Artificial tooth and preparation method thereof |
| CN105131508A (en) * | 2015-09-28 | 2015-12-09 | 王有才 | Binding agent for powder injection moulding, preparation method and application method of binding agent |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108393483A (en) * | 2017-02-07 | 2018-08-14 | 江苏天超细金属粉末有限公司 | A kind of metal powder injection molding feeding and preparation method thereof |
| CN107914007B (en) * | 2017-11-06 | 2019-09-27 | 江苏精研科技股份有限公司 | A kind of powder injection-molded soft magnetic materials and its preparation process |
| CN107914007A (en) * | 2017-11-06 | 2018-04-17 | 江苏精研科技股份有限公司 | A kind of powder injection-molded soft magnetic materials and its preparation process |
| CN109047750A (en) * | 2018-07-18 | 2018-12-21 | 东莞华晶粉末冶金有限公司 | The preparation method of 310 powder of stainless steel feeding of environment-friendly type and 310 powder of stainless steel components |
| CN109014212A (en) * | 2018-08-15 | 2018-12-18 | 上海精科粉末冶金科技有限公司 | A kind of processing method of metal injection molding technology production 5G communication isolator |
| CN109014213A (en) * | 2018-09-03 | 2018-12-18 | 深圳市贝斯特精工科技有限公司 | A kind of production method of the powder injection forming sintering feeding with special odor |
| CN111014641A (en) * | 2018-10-10 | 2020-04-17 | 中南大学 | High-fluidity polyoxymethylene binder for metal injection molding and preparation method of feed thereof |
| CN110421174A (en) * | 2019-07-30 | 2019-11-08 | 中山市金瓷科技有限公司 | A kind of iron-based feeding formula of metal powder injection molded stainless steel-and production method |
| CN111922346A (en) * | 2020-07-31 | 2020-11-13 | 兰州金浩机械制造有限公司 | Feeding binder for Kowa alloy injection molding and preparation method thereof |
| CN111875919A (en) * | 2020-08-19 | 2020-11-03 | 潮州市潮发科技有限公司 | Elastic powder forming feeding formula |
| CN112045181A (en) * | 2020-09-18 | 2020-12-08 | 通达（厦门）精密橡塑有限公司 | Stainless steel feed and stainless steel part as well as preparation method and application thereof |
| CN113500192A (en) * | 2021-05-25 | 2021-10-15 | 宁波市鑫瑞鸿新材料科技有限公司 | High-fluidity high-strength metal powder injection molding feed and application method thereof |
| CN113976890A (en) * | 2021-10-20 | 2022-01-28 | 江西虔悦新材料有限公司 | Adhesive, preparation method thereof and application of adhesive in metal powder injection molding |
| CN113976890B (en) * | 2021-10-20 | 2023-03-28 | 江西虔悦新材料有限公司 | Adhesive, preparation method thereof and application of adhesive in metal powder injection molding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106270522A (en) | A kind of for metal injection molded feeding and preparation method thereof | |
| US10544294B2 (en) | Binder for injection moulding compositions | |
| RU2446031C2 (en) | Thermoplastic materials with binder for moulding metal articles | |
| CN106493369B (en) | Metal powder injection molding binder | |
| CN107745117A (en) | 310 stainless steelwork and powder of stainless steel injection moulding feedings and preparation method | |
| DE202014005691U1 (en) | Binder for an injection molding composition | |
| CN108856701B (en) | Stainless steel base feed and preparation method thereof, stainless steel base blank and preparation method thereof | |
| CN103911100A (en) | Polyoxymethylene-based binder for powder injection molding and preparation method of polyoxymethylene-based binder | |
| JPH02302357A (en) | Ceramic injection molding material and injection molding using the same material | |
| KR102275122B1 (en) | Binder Composition for Metal Injection Molding | |
| PT115469B (en) | BINDER FOR INJECTION MOLDING COMPOSITIONS | |
| CN108941572A (en) | The preparation method of feeding for metal powder injection molding | |
| CN108117853A (en) | A kind of thermoplastic binder composition and ceramic injection forming injection material | |
| CN103874554B (en) | For manufacturing the binder combination of shaped piece by injection moulding process | |
| CN106317913B (en) | A kind of industry casting wax 3D printing wire rod and its manufacture craft | |
| JP7029555B2 (en) | Binder for injection molding composition | |
| Ibrahim et al. | Optimisation of processing condition using taguchi method on warpage for HDPE-clay composite | |
| CN107335807A (en) | One kind is metal powder injection molded to use binding agent | |
| da Silva Jorge | Compounding and processing of a water soluble binder for powder injection moulding | |
| TWI580746B (en) | Binder for injection molding | |
| JPS6321250A (en) | Manufacture of ceramic injection forming composition | |
| US20220372282A1 (en) | Binder composition for metal powder injection molding | |
| CN107739512A (en) | A kind of material for 3D printing and preparation method thereof | |
| JP2006328435A (en) | Composition to be injection-molded | |
| CN108941530A (en) | Carbide matrix feeding and preparation method thereof, carbide matrix green body and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
|
| RJ01 | Rejection of invention patent application after publication |