JP2008546554A - 冷却体流路を有する複合物品および工具製造方法 - Google Patents
冷却体流路を有する複合物品および工具製造方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
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- 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
- B22F7/06—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 workpieces or articles from parts, e.g. to form tipped tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/22—Making metal-coated products; Making products from two or more metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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- 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
- B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
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- 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
- B22F2005/004—Article comprising helical form elements
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- 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
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- 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
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T407/00—Cutters, for shaping
- Y10T407/19—Rotary cutting tool
- Y10T407/1904—Composite body of diverse material
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/907—Tool or Tool with support including detailed shank
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1317—Multilayer [continuous layer]
Abstract
【選択図】なし
Description
本発明は概して、工具のブランク(blank、半加工品)など、異なる組成および/またはミクロ組織の領域を含む複合構造を有する物品を形成する方法を対象とする。本発明はさらに、複合構造と少なくとも一つの冷却体流路とを有する回転工具、および回転工具のための工具のブランクを対象とする。本発明の方法は回転工具の製造に一般的に適用され、そして例えば、孔あけ(drilling)、リーマー仕上げ(reaming)、皿座ぐり(countersinking)、深座ぐり(counterboring)、および端面削り(end milling)などの材料除去操作において用いられる焼結炭化物合金(cemented carbide)の回転工具の製造に適用することができる。
焼結炭化物合金の回転工具(すなわち、回転するように駆動される工具)は一般に、例えば、孔あけ(drilling)、リーマー仕上げ(reaming)、皿座ぐり(countersinking)、深座ぐり(counterboring)、端面削り(end milling)、および雌ねじ切り(tapping)などの切削加工操作において用いられる。このような工具は典型的に、中実の一体構造のものである。そのような工具のための製造プロセスは、(粒状のセラミックと結合剤金属からなる)冶金粉末を固めて圧粉体を形成することを含むだろう。次いで、圧粉体は焼結されて、中実の一体構造を有する円柱状の工具のブランクが形成される。ここで用いられるものとして、一体構造とは、工具が、工具の内部の全ての有効容積において実質的に同じ特性を有する材料(例えば焼結炭化物合金材料)で構成されていることを意味する。焼結に続いて、工具のブランクは適当に機械加工されて、回転工具の特定の形態からなる刃先やその他の特徴点が形成される。回転工具には例えば、ドリル、エンドミル、リーマー(穴ぐり具)およびタップ(tap、雌ねじ切り)が含まれる。
本発明の態様は、少なくとも第一の領域と第二の領域を有する複合物品を含む。第一の領域は第一の複合材料を含んでいてもよく、この第一の領域は重量で5wt.%未満の立方晶炭化物(cubic carbide)を含み、そして第二の領域は第二の複合材料を含んでいてもよく、この第二の複合材料は第一の複合材料とは少なくとも一つの特性において異なっている。複合物品はさらに少なくとも一つの冷却体流路を有していてもよい。特定の態様において、第一および第二の複合材料はそれぞれ結合剤中に硬質粒子を含んでいてもよく、それらの硬質粒子はそれぞれ炭化物、窒化物、ホウ化物、ケイ化物、酸化物およびこれらの固溶体のうちの少なくとも一つを含み、そして結合剤はコバルト、ニッケル、鉄およびこれらの合金から選択される少なくとも一つの金属を含む。特定の態様において、第一の複合材料と第二の複合材料はそれぞれ結合剤中に金属炭化物を含んでいてもよい。
本発明は、複合構造を有する回転切削工具、切削工具のブランク、ロッド、およびその他の物品、ならびにそのような物品を製造する方法を提供する。物品はさらに、望ましい場合には、冷却体流路などの内部流路を有していてもよい。本明細書で用いられるとき、回転工具とは、回転するように駆動される少なくとも一つの刃先(cutting edge)を有する工具である。本明細書で用いられるとき、「複合」構造とは、化学組成および/またはミクロ組織(microstructure)が異なっている領域を有する物品を指す。これらの相違により、少なくとも一つの特性に関して異なる性質を有する領域が生じる。特性とは、例えば、硬さ、引張り強さ、耐摩耗性、破壊靭性、弾性率、耐食性、熱膨張率および熱伝導率のうちの少なくとも一つであってもよい。本発明において提示されるようにして構成されうる複合回転工具としては、ドリルやエンドミル、さらには例えば、材料の孔あけ(drilling)、リーマー仕上げ(reaming)、皿座ぐり(countersinking)、深座ぐり(counterboring)、端面削り(end milling)、および雌ねじ切り(tapping)において用いることのできるその他の工具がある。
本発明を特定の態様に関して説明したが、当業者であれば、以上の説明を考慮することにより、本発明の多くの修正と変形を用いることができることを理解するであろう。本発明のそのような全ての変形と修正は、以上の説明と添付の特許請求の範囲によって包含されることが意図されている。
Claims (68)
- 少なくとも第一の領域と第二の領域、および
少なくとも一つの冷却体流路
を含み、第一の領域は第一の複合材料および5wt.%未満の立方晶炭化物を含み、第二の領域は第二の複合材料を含み、そして第一の複合材料は第二の複合材料と少なくとも一つの特性において異なっている複合物品。 - 該第一および第二の複合材料がそれぞれ結合剤中に硬質粒子を含んでおり、それら硬質粒子はそれぞれ炭化物、窒化物、ホウ化物、ケイ化物、酸化物およびこれらの固溶体のうちの少なくとも一つを含み、そして結合剤はコバルト、ニッケル、鉄およびこれらの合金から選択される少なくとも一つの金属を含む、請求項1に記載の複合物品。
- 該特性が、弾性率、硬さ、耐摩耗性、破壊靭性、引張り強さ、耐食性、熱膨張率および熱伝導率からなる群から選択される少なくとも一つの特性である、請求項1に記載の複合物品。
- 該第一の複合材料と第二の複合材料がそれぞれ結合剤中に金属炭化物を含む、請求項1に記載の複合物品。
- 第一の複合材料の該金属炭化物の金属と第二の複合材料の該金属炭化物の金属が、それぞれ、IVB族元素、VB族元素およびVIB族元素からなる群から選択される、請求項4に記載の複合物品。
- 該第一の領域が、該結合剤の母材によって該第二の領域に自原的に接合されている、請求項4に記載の複合物品。
- 第一の複合材料の該結合剤と第二の複合材料の該結合剤が、それぞれ個々に、コバルト、コバルト合金、ニッケル、ニッケル合金、鉄、および鉄合金からなる群から選択される金属を含む、請求項4に記載の複合物品。
- 第一の複合材料の該結合剤と第二の複合材料の該結合剤とが化学組成において異なる、請求項4に記載の複合物品。
- 第一の複合材料の該結合剤の重量パーセントが、第二の複合材料の該結合剤の重量パーセントとは異なる、請求項4に記載の複合物品。
- 第一の複合材料の該金属炭化物が、第二の複合材料の該金属炭化物と、化学組成および平均粒度のうちの少なくとも一つにおいて異なる、請求項4に記載の複合物品。
- 該第一の複合材料と該第二の複合材料が、それぞれ、2〜40重量パーセントの結合剤および60〜98重量パーセントの金属炭化物を含む、請求項4に記載の複合物品。
- 第一の複合材料および第二の複合材料のうちの一方は、第一の複合材料および第二の複合材料のうちの他方のものよりも結合剤を1〜10重量パーセント多く含む、請求項11に記載の複合物品。
- 複合物品が、回転工具、回転工具のブランク、ドリル、エンドミル、タップ、ロッドおよびバーのうちの一つである、請求項1に記載の複合物品。
- 第一の領域中の第一の複合材料の弾性率が、第二の領域中の第二の複合材料の弾性率と異なる、請求項1に記載の複合物品。
- 第一の領域中の第一の複合材料の硬さおよび耐摩耗性のうちの少なくとも一つが、第二の領域中の第二の複合材料とは異なる、請求項1に記載の複合物品。
- 二つの冷却体流路をさらに有する、請求項1に記載の複合物品。
- 少なくとも一つの冷却体流路は実質的に直線状である、請求項1に記載の複合物品。
- 少なくとも一つの冷却体流路は実質的につる巻状の形である、請求項1に記載の複合物品。
- 二つの冷却体流路を有する、請求項18に記載の複合物品。
- 複合材料が焼結炭化物合金である、請求項1に記載の複合物品。
- 物品を形成する方法であって、
金属炭化物を含む少なくとも二つの複合材料を共押出ししてグリーンの圧粉体を形成することを含む、前記方法。 - 少なくとも二つの複合材料を共押出しすることが、ダイを通して行われる、請求項21に記載の物品を形成する方法。
- 該ダイが、該グリーンの圧粉体の中に内部流路を形成するための手段を有する、請求項22に記載の方法。
- ダイが少なくとも一つのワイヤを有する、請求項22に記載の方法。
- 該少なくとも一つのワイヤは、該グリーンの圧粉体の中に内部流路を形成する、請求項24に記載の方法。
- ダイが少なくとも二つのワイヤを有する、請求項24に記載の方法。
- ダイが三つのワイヤを有する、請求項26に記載の方法。
- 該少なくとも一つのワイヤが、可撓性のワイヤである、請求項24に記載の方法。
- 該可撓性のワイヤが、ナイロン、ポリマー被覆金属ワイヤ、ポリエチレン、高密度ポリエチレン、ポリエステル、ポリ塩化ビニル、ポリプロピレン、アラミド、ケブラー、ポリエーテルエーテルケトン、綿糸、動物の腸、麻およびジュートのうちの少なくとも一つを含む、請求項28に記載の方法。
- ワイヤが非可撓性である、請求項24に記載の方法。
- ワイヤが金属を含む、請求項30に記載の方法。
- 供給室に少なくとも二つの焼結炭化物合金のグレードを装填することをさらに含む、請求項21に記載の方法。
- 少なくとも一つの焼結炭化物合金のグレードは、押出した形態にある、請求項32に記載の方法。
- 該押出した形態が、ロッド、バーおよびチューブのうちの少なくとも一つである、請求項33に記載の方法。
- 供給室に装填することが、ロッド形状の少なくとも一つの焼結炭化物合金のグレードと、チューブ形状の少なくとも一つの焼結炭化物合金とを装填することを含む、請求項32に記載の方法。
- 複数の焼結炭化物合金のグレードが、チューブの形状にて供給室中に装填される、請求項33に記載の方法。
- 第一の焼結炭化物合金のグレードをチューブの形態で押出すことをさらに含む、請求項32に記載の方法。
- 第二の焼結炭化物合金をロッドの形態で押出すことをさらに含む、請求項37に記載の方法。
- ロッドの形態の焼結炭化物合金が、共押出機の供給室の中に直接に押出される、請求項38に記載の方法。
- 複合材料が焼結炭化物合金である、請求項21に記載の方法。
- グリーンの圧粉体が二つの焼結炭化物合金のグレードを含み、それら焼結炭化物合金のグレードが同軸状に配置される、請求項21に記載の方法。
- ダイが流路ダイを含む、請求項21に記載の方法。
- 少なくとも二つの焼結炭化物合金のグレードが、内部にらせん状の刻み目を有するダイを通して共押出しされる、請求項42に記載の方法。
- 少なくとも二つの焼結炭化物合金が、回転するダイを通して共押出しされる、請求項42に記載の方法。
- グリーンの圧粉体が少なくとも一つの流路を有する、請求項22に記載の方法。
- グリーンの圧粉体が二つのつる巻状の流路を有する、請求項22に記載の方法。
- 前記第一の焼結炭化物合金材料および前記第二の焼結炭化物合金材料のうちの少なくとも一つが、0.3〜10μmの平均粒度を有する炭化タングステン粒子を含む、請求項1に記載の複合物品。
- 前記第一の焼結炭化物合金材料および前記第二の焼結炭化物合金材料のうちの少なくとも一つが0.5〜10μmの平均粒度を有する炭化タングステン粒子を含み、そして前記第一の焼結炭化物合金材料および前記第二の焼結炭化物合金材料のうちの他方が0.3〜1.5μmの平均粒度を有する炭化タングステン粒子を含む、請求項1に記載の複合物品。
- 複合物品が、ドリル、エンドミルおよびタップのうちの一つである、請求項1に記載の複合物品。
- 前記第一の焼結炭化物合金材料および前記第二の焼結炭化物合金材料のうちの一方が、前記第一の焼結炭化物合金材料および前記第二の焼結炭化物合金材料のうちの他方よりも前記結合剤を1〜10重量パーセント多く含む、請求項5に記載の複合物品。
- 前記第一の領域中の前記第一の焼結炭化物合金材料の弾性率が、前記第二の領域中の前記第二の焼結炭化物合金材料の弾性率と異なる、請求項1に記載の複合物品。
- 前記第一の領域中の前記第一の焼結炭化物合金材料の弾性率が90X106〜95X106 psiであり、そして前記第二の領域の中の前記第二の焼結炭化物合金材料の弾性率が69X106〜92X106 psiである、請求項1に記載の複合物品。
- 前記第一の領域中の前記第一の焼結炭化物合金材料の硬さおよび耐摩耗性のうちの少なくとも一つが、前記第二の領域中の前記第二の焼結炭化物合金材料と異なる、請求項1に記載の複合物品。
- 前記第一の焼結炭化物合金材料が6〜15重量パーセントのコバルト合金を含み、そして前記第二の焼結炭化物合金材料が10〜15重量パーセントのコバルト合金を含む、請求項1に記載の複合物品。
- 複合構造を有する回転工具を製造する方法であって:
押出した第一粉末金属を型の空所の第一領域中に配置すること;
前記押出した第一粉末金属とは異なる第二冶金粉末金属を、該空所の第二領域中に配置すること;
該型を加圧して押出した第一粉末金属および第二粉末金属を固め、グリーンの圧粉体を形成すること;および
該グリーンの圧粉体を過圧焼結すること;
を含む前記方法。 - グリーンの圧粉体から材料を除去して少なくとも一つの刃先を付与することをさらに含む、請求項55に記載の方法。
- 型がドライバッグゴム型であり、さらに、型を加圧することが、ドライバッグゴム型を等方圧縮してグリーンの圧粉体を形成することを含む、請求項56に記載の方法。
- グリーンの圧粉体から材料を除去することが、圧粉体を機械加工して、少なくとも一つのつる巻状に方向づけられた刃先を画定する少なくとも一つのつる巻状に方向づけられた縦溝を形成することを含む、請求項56に記載の方法。
- 押出した第一混合粉末が少なくとも一つの流路を有する、請求項55に記載の方法。
- 押出した第一粉末金属が少なくとも二つの流路を有する、請求項59に記載の方法。
- 第一粉末金属および第二粉末金属の両者が、粉末化した結合剤と、IVB族元素、VB族元素およびVIB族元素からなる群から選択される元素の少なくとも一つの炭化物の粒子とを含む、請求項55に記載の方法。
- 第一粉末金属および第二粉末金属の結合剤が、それぞれ個々に、コバルト、コバルト合金、ニッケル、ニッケル合金、鉄、および鉄合金からなる群から選択される少なくとも一つの金属を含む、請求項61に記載の方法。
- 第一粉末金属および第二粉末金属が、それぞれ個々に、2〜40重量パーセントの粉末化した結合剤と、60〜98重量パーセントの炭化物粒子とを含む、請求項55に記載の方法。
- 第一粉末金属および第二粉末金属のうちの少なくとも一つが、0.3〜10μmの平均粒度を有する炭化タングステン粒子を含む、請求項55に記載の方法。
- 圧粉体を過圧焼結することが、圧粉体を1350℃〜1500℃の温度において300〜2000psiの圧力下で加熱することを含む、請求項55に記載の方法。
- 型を加圧することが、5000〜50000psiの圧力で型を等方圧縮することを含む、請求項55に記載の方法。
- 型を加圧することにより形成されたグリーンの圧粉体が:
第一冶金粉末の固化により与えられる第一焼結炭化物合金材料を含む第一の領域と、
第二冶金粉末の固化により与えられる第二焼結炭化物合金材料を含む第二の領域とを含み、
該第一の領域および該第二の領域は少なくとも一つの特性において異なる、請求項55に記載の方法。 - 該特性が、弾性率、硬さ、耐摩耗性、破壊靭性、引張り強さ、耐食性、熱膨張率および熱伝導率からなる群から選択される少なくとも一つである、請求項67に記載の方法。
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2005
- 2005-06-27 US US11/167,811 patent/US8637127B2/en active Active
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2006
- 2006-06-14 CN CNA2006800145502A patent/CN101166597A/zh active Pending
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- 2006-06-14 BR BRPI0607065-5A patent/BRPI0607065A2/pt not_active IP Right Cessation
- 2006-06-14 KR KR1020077027250A patent/KR101317017B1/ko not_active IP Right Cessation
- 2006-06-14 UA UAA200800912A patent/UA95912C2/ru unknown
- 2006-06-14 JP JP2008518246A patent/JP5288309B2/ja active Active
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- 2006-06-14 KR KR1020137019047A patent/KR101353171B1/ko not_active IP Right Cessation
- 2006-06-14 EP EP06773207A patent/EP1907154A2/en not_active Withdrawn
- 2006-06-22 TW TW095122578A patent/TWI435782B/zh not_active IP Right Cessation
- 2006-10-24 US US11/585,408 patent/US8318063B2/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2012526664A (ja) * | 2009-05-12 | 2012-11-01 | ティーディーワイ・インダストリーズ・インコーポレーテッド | 複合体超硬合金回転切削工具及び回転切削工具ブランク材 |
CN109562464A (zh) * | 2016-07-26 | 2019-04-02 | 京瓷株式会社 | 切削工具以及切削加工物的制造方法 |
DE112017003782T5 (de) | 2016-07-26 | 2019-04-11 | Kyocera Corporation | Schneidwerkzeug und Verfahren des Herstellens eines maschinell-bearbeiteten Produkts |
US10792738B2 (en) | 2016-07-26 | 2020-10-06 | Kyocera Corporation | Cutting tool and method of manufacturing machined product |
JP6491735B1 (ja) * | 2017-12-22 | 2019-03-27 | 本田金属技術株式会社 | 焼結品の製造方法及び焼結品 |
WO2019123938A1 (ja) * | 2017-12-22 | 2019-06-27 | 本田金属技術株式会社 | タングステン系又はこれに類する焼結品の製造方法及びタングステン系又はこれに類する焼結品 |
JP2019112667A (ja) * | 2017-12-22 | 2019-07-11 | 本田金属技術株式会社 | 焼結品の製造方法及び焼結品 |
Also Published As
Publication number | Publication date |
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US20070108650A1 (en) | 2007-05-17 |
KR20080016812A (ko) | 2008-02-22 |
KR101317017B1 (ko) | 2013-10-11 |
TW200726551A (en) | 2007-07-16 |
CN103551581A (zh) | 2014-02-05 |
BRPI0607065A2 (pt) | 2009-08-04 |
US20130043615A1 (en) | 2013-02-21 |
US8637127B2 (en) | 2014-01-28 |
UA95912C2 (ru) | 2011-09-26 |
KR101353171B1 (ko) | 2014-01-17 |
US20140097553A1 (en) | 2014-04-10 |
EP1907154A2 (en) | 2008-04-09 |
US20060288820A1 (en) | 2006-12-28 |
CA2596309A1 (en) | 2007-01-04 |
WO2007001870A2 (en) | 2007-01-04 |
WO2007001870A3 (en) | 2007-05-10 |
JP5288309B2 (ja) | 2013-09-11 |
CN101166597A (zh) | 2008-04-23 |
US8318063B2 (en) | 2012-11-27 |
US8808591B2 (en) | 2014-08-19 |
TWI435782B (zh) | 2014-05-01 |
KR20130088900A (ko) | 2013-08-08 |
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