US20130078132A1 - Method for Integrally Forming Multiple Metal Materials as a Metal Object - Google Patents
Method for Integrally Forming Multiple Metal Materials as a Metal Object Download PDFInfo
- Publication number
- US20130078132A1 US20130078132A1 US13/623,903 US201213623903A US2013078132A1 US 20130078132 A1 US20130078132 A1 US 20130078132A1 US 201213623903 A US201213623903 A US 201213623903A US 2013078132 A1 US2013078132 A1 US 2013078132A1
- Authority
- US
- United States
- Prior art keywords
- composite metal
- powders
- alloys
- metals
- blank
- 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.)
- Abandoned
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 166
- 239000002184 metal Substances 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000007769 metal material Substances 0.000 title 1
- 239000002131 composite material Substances 0.000 claims abstract description 91
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 70
- 239000000956 alloy Substances 0.000 claims abstract description 70
- 239000000843 powder Substances 0.000 claims abstract description 68
- 150000002739 metals Chemical class 0.000 claims abstract description 60
- 238000005245 sintering Methods 0.000 claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 239000011230 binding agent Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000009966 trimming Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 22
- 238000002360 preparation method Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 description 23
- 238000005266 casting Methods 0.000 description 7
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/047—Heads iron-type
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B2053/0491—Heads with added weights, e.g. changeable, replaceable
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
- A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Definitions
- the present invention relates to an integral forming method for a composite metal and, more particularly, to an integral forming method for use in metals having different properties or alloys having different specific gravities.
- FIG. 1 shows a golf club head disclosed in Taiwan Utility Model No. M291310 entitled “GOLF CLUB HEAD INCLUDING A COMPOSITE WEIGHT HAVING A HIGH RELATIVE GRAVITY”.
- the golf club head includes a body 91 having a composite weight 92 having a high relative gravity.
- the weight 92 is comprised of a weight outer layer 921 and a weight inner layer 922 , with the weight outer and inner layers 921 and 922 formed of metals having different properties.
- the weight outer layer 921 is produced by using a casting technique, and a pressing technique is used to bond metal powders of the weight inner layer 922 with the weight outer layer 921 .
- the weight inner layer 922 takes shape by using a sintering technique.
- the weight 92 is fixed to the body 91 by welding.
- the forming method of the weight 92 includes casting of the weight outer layer 921 as well as pressing and sintering for bonding the weight inner layer 922 with the weight outer layer 921 as an integral member. Namely, the processing is inconvenient, because casting, pressing, and sintering are required.
- the formation property requirements for materials are different due to different processing characteristics of casting and sintering.
- the formation properties of the alloys must be suitable for both of casting and sintering.
- not all alloys are suitable for both of casting and sintering, leading to limitation to choices of the materials for current forming methods.
- the weight outer layer 921 and the weight inner layer 922 are not integrally formed at the same time, leading to insufficient the bonding strength between the weight outer layer 921 and the weight inner layer 922 .
- An objective of the present invention is to provide an integral forming method for a composite metal to simplify the processing procedures, providing convenient production.
- Another objective of the present invention is to provide an integral forming method for a composite metal to allow more choices of materials for the composite metal.
- a further objective of the present invention is to provide an integral forming method for a composite metal to increase the bonding strength of the composite metal.
- An integral forming method for a composite metal includes a preparation step including preparing powders of at least two metals or alloys; a formation step including pressing powders of one of the at least two metals or alloys into a single blank by pressing molding, and then pressing the single blank and the powders of a remainder of the at least two metals or alloys into a composite metal blank; and a sintering step including sintering the composite metal blank into a composite metal product.
- An integral forming method for a composite metal includes a preparation step including preparing powders of at least two metals or alloys; a formation step including injecting powders of one of the at least two metals or alloys into a mold to form a single blank by metal injection molding, and then placing the single blank in another mold and injecting the powders of a remainder of the at least two metals or alloys into the other mold to form a composite metal blank; and a sintering step including sintering the composite metal blank into a composite metal product.
- the advantageous effects of the present invention are that, by using the integral forming method for a composite metal according to the present invention, one-time sintering is carried out after formation of the composite metal blank from the powders of at least two metals or alloys to sinter the powders of at least two metals or alloys into the composite metal product.
- the processing procedures are simplified, and the production is easier.
- the integral forming method for a composite metal according to the present invention after formation of the composite metal blank from the powders of at least two metals or alloys, the composite metal blank is integrally sintered into the composite metal product, allowing production by a single processing procedure. Suitability of the materials to the processing methods is less important, providing less limitation to the choices of materials.
- the integral forming method for a composite metal after formation of the composite metal blank from the powders of at least two metals or alloys, the composite metal blank is integrally sintered into the composite metal product, such that a recrystallization layer is formed on surfaces of the at least two metals or alloys, enhancing the mechanical strength and bonding strength between the powders of metals or alloys.
- FIG. 1 is an exploded, perspective view of a body and a weight of a conventional golf club head.
- FIG. 2 shows a schematic diagram illustrating operational steps of a forming method according to the present invention.
- an integral formation method for a composite metal includes a preparation step S 1 , a formation step S 2 , and a sintering step S 3 .
- the preparation step S 1 includes preparing powders of at least two metals or alloys.
- the formation step S 2 includes forming a composite metal blank from the at least two metals or alloys.
- the sintering step S 3 includes sintering the composite metal blank into a composite metal product.
- the preparation step S 1 includes preparing powders of at least two metals or alloys, such as powders of at least two pure metals having different properties, powders of at least two alloys having different properties, or powders of at least two alloys having the same properties and having different specific gravities.
- the preparation step S 1 can be machining, milling, atomization, granulation, electrolytic decomposition, or a reduction method for turning at least two metals having differing properties into powders to obtain the powders of at least two pure metals having different properties.
- powders made from several pure metals are mixed according to the desired ratio to obtain powders of at least two alloys having different properties or to obtain powders of at least two alloys having the same properties and having different specific gravities. Furthermore, at least two alloys having different properties or having different specific gravities can be prepared and then turned into powders to obtain powders of at least two alloys having different properties or to obtain powders of at least two alloys having the same properties and having different specific gravities.
- the formation step S 2 includes forming a composite metal blank from the at least two metals or alloys by pressing molding (PM) or metal injection molding (MIM).
- PM pressing molding
- MIM metal injection molding
- a plurality of molds is used to proceed with a plurality of pressing molding procedures on the powders of the at least two metals or alloys to form the composite metal blank.
- the powders of one of the metals are filled into a mold and pressed into a single blank.
- the single blank is placed into the other mold, and the powders of the other metal are filled into the other mold for pressing molding.
- the powders of the at least two metals or alloys are pressed and synthesize with each other to form the composite metal blank.
- the pressing molding is carried out at a predetermined pressure that varies according to the properties of the metal powders to be pressed.
- the predetermined pressure is in a range of 20-100 tons.
- metal injection molding for producing the composite metal blank from the powders of the at least two metals or alloys
- a plurality of injection molds is used to proceed with a plurality of metal injection molding procedures on the powders of the at least two metals or alloys to form the composite metal blank.
- the powders of one of the pure metals are injected into an injection mold to form a single blank.
- the single blank is placed into the other mold, and the powders of the other pure metal are injected into the other mold.
- the powders of the two pure metals having different properties synthesize with each other in the other mold to form the composite metal blank.
- a polymer can be added into the powders of the two pure metals having different properties and serves as a binder during metal injection molding, increasing the bonding strength between the powders of the two pure metals having different properties.
- the polymer can be polyvinyl alcohol, polyvinyl acetate, or a wax-based binder.
- the polymer is preferably a wax-based binder and, more preferably, paraffin.
- the sintering step S 3 includes sintering the composite metal blank into a composite metal product. Specifically, in the sintering step, the composite metal blank is heated to a predetermined temperature for a predetermined period of time, such that a recrystallization layer is formed on surfaces of the composite metal blank produced from the at least two metals or alloys, enhancing the mechanical strength and bonding strength between the powders of metals or alloys. A composite metal product is, thus, integrally formed.
- the predetermined temperature in the sintering step S 3 varies according to the properties and specific gravities of the powers of the at least two metals or alloys. Furthermore, the predetermined temperature is lower than the melting points of the powders of the at least two metals or alloys.
- the predetermined temperature is lower than the melting point of the powders of the metal or alloy with a lower melting point and is preferably 1370-1450° C.
- the predetermined period of time in the sintering step S 3 is an hour.
- the predetermined temperature varies according to the specific gravities of the alloy powders. The larger the specific gravities of the alloys, the higher the melting point. Namely, the larger the specific gravities, the higher the predetermined temperature.
- a reductive gas can be used to avoid formation of harmful oxide layers at high temperature, avoiding oxidation of the powders of metals or alloys due to contact with the atmosphere.
- the integral forming method for a composite metal according to the present invention can further include a binder removal step S 4 after the formation step S 2 .
- the formation step is metal injection molding (MIM)
- MIM metal injection molding
- a polymer is added into powders of two metals or alloys and serves as a binder during metal injection molding to increase the bonding strength between the powders of the metals or alloys.
- the binder removal step S 4 can be carried out after the formation step S 2 to remove the binder.
- the binder removal step S 4 can remove the binder by heating.
- the integral forming method for a composite metal according to the present invention can further include a surface trimming step S 5 after the sintering step S 3 .
- the surface trimming step S 5 includes trimming the surfaces of the composite metal product by machining, grinding, or cutting, obtaining the desired accessory.
- the integral method according to the present invention can be used to produce various composite metal accessories.
- the preparation step S 1 is firstly carried out to produce W—Fe—Ni alloy powders having two different specific gravities.
- the formation step S 2 and the sintering step S 3 are carried out to form the weight having dual specific gravities.
- Detailed operations of the preparation step S 1 , the formation step S 2 , and the sintering step S 3 have been descried hereinbefore.
- the weight is made of W—Fe—Ni alloys having dual specific gravities and includes an outer layer and an inner layer
- the outer layer can be formed from a W—Fe—Ni alloy having a low specific gravity (9.3-14 g/cm 3 )
- the inner layer can be formed from a W—Fe—Ni alloy having a high specific gravity (14-18 g/cm 3 ).
- one-time sintering is carried out after the formation step S 2 of forming the composite metal blank from the powders of at least two metals or alloys to sinter the powders of at least two metals or alloys into the composite metal product.
- the processing procedures are simplified, and the production is easier.
- the composite metal blank is integrally sintered into the composite metal product, allowing production by a single processing procedure.
- Suitability of the materials to the processing methods is less important, providing less limitation to the choices of materials.
- the composite metal blank is integrally sintered into the composite metal product, such that a recrystallization layer is formed on the surfaces of the at least two metals or alloys, enhancing the mechanical strength and bonding strength between the powders of metals or alloys.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Golf Clubs (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110285178.1 | 2011-09-23 | ||
| CN201110285178.1A CN103008662B (zh) | 2011-09-23 | 2011-09-23 | 复合金属的一体成型方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20130078132A1 true US20130078132A1 (en) | 2013-03-28 |
Family
ID=47911494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/623,903 Abandoned US20130078132A1 (en) | 2011-09-23 | 2012-09-21 | Method for Integrally Forming Multiple Metal Materials as a Metal Object |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20130078132A1 (zh) |
| JP (1) | JP5624593B2 (zh) |
| CN (1) | CN103008662B (zh) |
| TW (1) | TWI483795B (zh) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190939A (zh) * | 2014-08-20 | 2014-12-10 | 常熟市良益金属材料有限公司 | 一种层状复合金属材料的制备方法 |
| CN104190940B (zh) * | 2014-08-20 | 2016-06-15 | 常熟市良益金属材料有限公司 | 一种双金属复合材料的制备方法 |
| CN106541140B (zh) * | 2016-11-08 | 2019-03-29 | 西安科技大学 | 一种双金属复合材料的制备方法 |
| CN110857150A (zh) * | 2018-08-22 | 2020-03-03 | 浙江恒成硬质合金有限公司 | 一种卫星用配重块及其制造工艺 |
| CN109589569A (zh) * | 2018-11-28 | 2019-04-09 | 东莞市亿东数控科技有限公司 | 一种分层堆叠成形的配重块及其制造方法 |
| CN113020602B (zh) * | 2021-03-12 | 2022-10-21 | 东莞市亿东数控科技有限公司 | 一种高密度的高尔夫球头配重块 |
| CN116275054A (zh) * | 2023-01-17 | 2023-06-23 | 广东银纳科技有限公司 | 双mim注射共烧制备整体包覆配重块的高尔夫球头及其方法 |
| CN116890118B (zh) * | 2023-07-17 | 2026-01-27 | 中南大学 | 一种铝电解金属阳极外壳及电连接的一体化制备方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6488887B1 (en) * | 1999-10-28 | 2002-12-03 | Denso Corporation | Method of fabricating metal composite compact |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2531624B2 (ja) * | 1986-02-24 | 1996-09-04 | 三菱マテリアル株式会社 | 高靱性と高強度を有する有芯w合金焼結体の製造法 |
| JP3089701B2 (ja) * | 1991-04-23 | 2000-09-18 | 住友電気工業株式会社 | タングステン重合金複合製品の製造方法 |
| JPH05195022A (ja) * | 1991-10-18 | 1993-08-03 | Fujitsu Ltd | 焼結体の製造方法およびマグネットベース |
| CA2129874C (en) * | 1993-09-03 | 1999-07-20 | Richard M. Douglas | Powder for use in thermal spraying |
| JP4225725B2 (ja) * | 2001-12-17 | 2009-02-18 | ダイワ精工株式会社 | タングステンを使用したスポーツ用品の製法 |
| JP2005089777A (ja) * | 2003-09-12 | 2005-04-07 | Aisin Seiki Co Ltd | 複合焼結部材の製造方法 |
| DE102004002714B3 (de) * | 2004-01-19 | 2005-05-19 | SCHWäBISCHE HüTTENWERKE GMBH | Verfahren zum Leichtmetall-Legierungs-Sintern |
| SE0401041D0 (sv) * | 2004-04-21 | 2004-04-21 | Hoeganaes Ab | Sintered metal parts and method for the manufacturing thereof |
| TWI246947B (en) * | 2004-06-10 | 2006-01-11 | Taiwan Powder Technologies Co | Method for making sintered body of metal powder and sintered body prepared therefrom |
| CN1718791A (zh) * | 2005-06-24 | 2006-01-11 | 北京科技大学 | 一种制备不锈钢复合材料的方法 |
| WO2008017111A1 (en) * | 2006-08-07 | 2008-02-14 | The University Of Queensland | Metal injection moulding method |
| CN100469493C (zh) * | 2007-01-24 | 2009-03-18 | 华南理工大学 | 粉末冶金复合抗菌不锈钢器具及其制备方法 |
| DE102008051784B4 (de) * | 2008-10-17 | 2012-02-02 | H.C. Starck Gmbh | Verfahren zur Herstellung von Molybdän-Metallpulver, Molybdän-Metallpulver und dessen Verwendung |
| JP4844770B2 (ja) * | 2008-12-11 | 2011-12-28 | 住友化学株式会社 | チタン酸アルミニウム系焼成体の製造方法 |
| CN101927341B (zh) * | 2009-06-24 | 2013-01-02 | 赵凤宇 | 一种霞石微晶玻璃与金属粉末复合材料的制备方法 |
-
2011
- 2011-09-23 CN CN201110285178.1A patent/CN103008662B/zh not_active Ceased
-
2012
- 2012-09-21 JP JP2012208863A patent/JP5624593B2/ja active Active
- 2012-09-21 US US13/623,903 patent/US20130078132A1/en not_active Abandoned
- 2012-09-21 TW TW101134720A patent/TWI483795B/zh not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6488887B1 (en) * | 1999-10-28 | 2002-12-03 | Denso Corporation | Method of fabricating metal composite compact |
Non-Patent Citations (1)
| Title |
|---|
| Thümmler, F. Oberacker, R. (1993). Introduction to Powder Metallurgy - 7.2.3.1 Parameter Dependence and Properties Development. Maney Publishing for IOM3, the Institute of Materials, Minerals and Mining. * |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI483795B (zh) | 2015-05-11 |
| TW201313363A (zh) | 2013-04-01 |
| JP2013067862A (ja) | 2013-04-18 |
| CN103008662A (zh) | 2013-04-03 |
| CN103008662B (zh) | 2015-06-03 |
| JP5624593B2 (ja) | 2014-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20130078132A1 (en) | Method for Integrally Forming Multiple Metal Materials as a Metal Object | |
| US8007370B2 (en) | Metal injection molded putter | |
| CN106984805B (zh) | 一种3d打印用喂料及其制备方法和应用 | |
| JP2003105411A (ja) | 複合的焼結物品を製造する方法 | |
| JPH03243223A (ja) | ゴルフクラブヘッドの製法 | |
| CN107498267B (zh) | 一种手机中框及其制备工艺 | |
| CN104525952A (zh) | 一种可适应常规机械加工的硬质合金压坯的制备方法 | |
| CN107335195A (zh) | 一种高尔夫球头及其制造方法 | |
| CN103170605B (zh) | 一种基于真空吸铸的非晶合金微细零件的制备方法及装置 | |
| TW202333875A (zh) | 鋁粉末混合物、金屬積層造形用粉末及金屬積層造形物 | |
| CN110181059A (zh) | 一种共注射近净成型制超细晶硬质合金刀具坯体的方法 | |
| JP2002206101A (ja) | 焼結品製造方法、連続体製造方法、物品形成方法及び構造体 | |
| CN116926402B (zh) | 一种铝电解金属陶瓷阳极的流变压注制备方法 | |
| CN113500205A (zh) | 一种双金属材料的3d打印方法 | |
| CN104588652A (zh) | 一种高强度聚晶金刚石拉丝模的真空二次热压制作工艺 | |
| WO2014010429A1 (ja) | ターボチャージャー用のスラストベアリングの製造法およびターボチャージャー用のスラストベアリング | |
| CN104588634B (zh) | 一种高硬度聚晶金刚石拉丝模的放电等离子烧结制作工艺 | |
| CN111203535A (zh) | 采用3d打印技术制备铱坩埚的方法 | |
| CN104550966A (zh) | 一种高耐磨性聚晶金刚石拉丝模的复烧复压制作工艺 | |
| CN115519071A (zh) | 一种燃机单晶叶片模壳及其制备方法 | |
| JP3104411B2 (ja) | 金属製ボタンの製造方法 | |
| CN105081316B (zh) | 伪合金预制件专用模具及应用该模具的伪合金预制件的制备方法 | |
| JP2524433B2 (ja) | ゴルフクラブヘッドの製法 | |
| CN102233427B (zh) | 宝石涂漆模烧结体的制作方法 | |
| CN107639232A (zh) | 复合结构件的制造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: FUSHENG PRECISION CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LI, BAO-BIN;WANG, GUO-JIE;REEL/FRAME:029000/0297 Effective date: 20120920 |
|
| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |