EP3650136A4 - Cemented carbide screw nut mold having multi-layer graded structure and manufacturing method therefor - Google Patents

Cemented carbide screw nut mold having multi-layer graded structure and manufacturing method therefor Download PDF

Info

Publication number
EP3650136A4
EP3650136A4 EP18913306.9A EP18913306A EP3650136A4 EP 3650136 A4 EP3650136 A4 EP 3650136A4 EP 18913306 A EP18913306 A EP 18913306A EP 3650136 A4 EP3650136 A4 EP 3650136A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
screw nut
cemented carbide
method therefor
graded structure
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.)
Withdrawn
Application number
EP18913306.9A
Other languages
German (de)
French (fr)
Other versions
EP3650136A1 (en
Inventor
Jingda LI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinjingrui Tungsten Steel Xiamen Co Ltd
Original Assignee
Xinjingrui Tungsten Steel Xiamen Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinjingrui Tungsten Steel Xiamen Co Ltd filed Critical Xinjingrui Tungsten Steel Xiamen Co Ltd
Publication of EP3650136A1 publication Critical patent/EP3650136A1/en
Publication of EP3650136A4 publication Critical patent/EP3650136A4/en
Withdrawn legal-status Critical Current

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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/007—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/01—Selection of materials
    • 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
    • B22F3/02—Compacting only
    • 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
    • B22F3/10—Sintering only
    • B22F3/1017—Multiple heating or additional steps
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
    • B22F2005/103—Cavity made by removal of insert
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Powder Metallurgy (AREA)
EP18913306.9A 2018-04-03 2018-08-08 Cemented carbide screw nut mold having multi-layer graded structure and manufacturing method therefor Withdrawn EP3650136A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201810303648 2018-04-03
CN201810741651.4A CN108620595B (en) 2018-04-03 2018-07-09 Hard alloy screw nut mold and its manufacturing method with multilayered and graded structure
PCT/CN2018/099317 WO2019192114A1 (en) 2018-04-03 2018-08-08 Cemented carbide screw nut mold having multi-layer graded structure and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP3650136A1 EP3650136A1 (en) 2020-05-13
EP3650136A4 true EP3650136A4 (en) 2020-07-08

Family

ID=63688774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18913306.9A Withdrawn EP3650136A4 (en) 2018-04-03 2018-08-08 Cemented carbide screw nut mold having multi-layer graded structure and manufacturing method therefor

Country Status (4)

Country Link
EP (1) EP3650136A4 (en)
CN (1) CN108620595B (en)
TW (1) TWI669175B (en)
WO (1) WO2019192114A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106735167A (en) * 2016-12-15 2017-05-31 鑫京瑞钨钢（厦门）有限公司 A kind of preparation method of extra-coarse grained carbide alloy gradient DRILL POINT DIES
TWM549123U (en) * 2017-06-27 2017-09-21 Sinjingrui Tungsten Steel (Siamen) Co Ltd High performance hard alloy screw/nut mold with multi-layer gradient structure
CN206838934U (en) * 2017-06-20 2018-01-05 鑫京瑞钨钢（厦门）有限公司 High-performance carbide screw nut mould with multilayered and graded structure
CN107775006A (en) * 2017-12-12 2018-03-09 鑫京瑞钨钢（厦门）有限公司 A kind of gradient hard alloy DRILL POINT DIES

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5656735A (en) * 1979-10-17 1981-05-18 Inoue Japax Res Inc Improved die
JPH06136409A (en) * 1992-10-28 1994-05-17 Kobe Steel Ltd Production of composite cylinder
CN100341647C (en) * 2003-09-24 2007-10-10 自贡硬质合金有限责任公司 Production process of wire drawing hard alloy die with gradient varying performance
CN1218814C (en) * 2003-12-15 2005-09-14 高峻峰 Method for manufacturing metal or ceramic bond superhard grinding tool
JP2005342744A (en) * 2004-06-01 2005-12-15 Sanalloy Industry Co Ltd Wear resistant sintered tool, and its manufacturing method
JP2006118033A (en) * 2004-10-25 2006-05-11 Hokkaido Method for producing compositionally gradient cemented carbide
ES2720062T3 (en) * 2006-11-20 2019-07-17 Kk Miyanaga Super hard tip and process to produce the same
CN102168195A (en) * 2011-04-13 2011-08-31 南京航空航天大学 Method for preparing gradient porous Ti-Mg-based composite material
CN102773371A (en) * 2011-05-09 2012-11-14 智品精密机械有限公司 Method for forming gasket or nut without scraps
CN102434665B (en) * 2011-09-15 2015-01-28 上海高更高实业有限公司 Light gradient hard-alloy sealing ring and manufacture method thereof
CN202877359U (en) * 2012-09-26 2013-04-17 蚌埠凤凰滤清器有限责任公司 Reinforced concave-convex mold core for thick plate mold of filter cleaner
MX365368B (en) * 2012-09-27 2019-05-30 Allomet Corp Methods of forming a metallic or ceramic article having a novel composition of functionally graded material and articles containing the same.
CN103418788B (en) * 2013-07-23 2015-05-20 浙江大学 Device and method for thermoforming gradient materials
CN103817150B (en) 2014-02-26 2015-07-01 湖南天益高技术材料制造有限公司 Gradient-structure hard alloy roll collar and manufacturing process thereof
CN104057271B (en) * 2014-07-04 2016-05-18 福建金鑫钨业股份有限公司 A kind of preparation method of carbide alloy tool and mould
CN104588500A (en) * 2014-12-31 2015-05-06 苏州欧美克合金工具有限公司 Nut producing mould
CN204449293U (en) * 2015-03-12 2015-07-08 成都工业学院 A kind of sintered-carbide die
CN205110786U (en) * 2015-11-20 2016-03-30 碧梦技(上海）复合材料有限公司 Powder metallurgy die
CN105644026B (en) * 2015-12-25 2018-08-03 洛阳金鹭硬质合金工具有限公司 A kind of composite sheet matrix product with tri compound gradient-structure
CN205927107U (en) * 2016-08-16 2017-02-08 合肥波林新材料股份有限公司 Take mixture forming die of inclined plane product
TWM557151U (en) * 2017-11-06 2018-03-21 承昌鎢鋼製品有限公司 Multilayer-layer screws and nuts die

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106735167A (en) * 2016-12-15 2017-05-31 鑫京瑞钨钢（厦门）有限公司 A kind of preparation method of extra-coarse grained carbide alloy gradient DRILL POINT DIES
CN206838934U (en) * 2017-06-20 2018-01-05 鑫京瑞钨钢（厦门）有限公司 High-performance carbide screw nut mould with multilayered and graded structure
TWM549123U (en) * 2017-06-27 2017-09-21 Sinjingrui Tungsten Steel (Siamen) Co Ltd High performance hard alloy screw/nut mold with multi-layer gradient structure
CN107775006A (en) * 2017-12-12 2018-03-09 鑫京瑞钨钢（厦门）有限公司 A kind of gradient hard alloy DRILL POINT DIES

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019192114A1 *

Also Published As

Publication number Publication date
CN108620595A (en) 2018-10-09
EP3650136A1 (en) 2020-05-13
TWI669175B (en) 2019-08-21
WO2019192114A1 (en) 2019-10-10
TW201941850A (en) 2019-11-01
CN108620595B (en) 2019-06-04

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