JP2009535536A5 - - Google Patents

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JP2009535536A5
JP2009535536A5 JP2009507907A JP2009507907A JP2009535536A5 JP 2009535536 A5 JP2009535536 A5 JP 2009535536A5 JP 2009507907 A JP2009507907 A JP 2009507907A JP 2009507907 A JP2009507907 A JP 2009507907A JP 2009535536 A5 JP2009535536 A5 JP 2009535536A5
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cutting blade
bit body
fixed cutting
excavation bit
sintered carbide
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JP2009535536A (ja
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Priority claimed from PCT/US2007/067096 external-priority patent/WO2007127680A1/en
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Claims (43)

  1. モジュール型の固定切り刃掘削ビット本体であり、
    切り刃支持部品と、
    当該切り刃支持部品に固定された少なくとも1つの切り刃部品とを含み、当該少なくとも1つの切刃部品が焼結炭化物を含んでいる、モジュール型の固定切り刃掘削ビット本体。
  2. 請求項1に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記少なくとも1つの切り刃部品が少なくとも1つのインサートポケットを含んでいる、モジュール型固定切り刃掘削ビット本体。
  3. 請求項1に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記切り刃支持部品が、焼結硬質粒子、焼結炭化物、セラミック、合金及びプラスチックからなる群から選択された少なくとも1つの材料を含んでいる、モジュール型固定切り刃掘削ビット本体。
  4. 請求項1に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記少なくとも1つの切り刃部品が焼結炭化物によって本質的に構成されている、モジュール型固定切り刃掘削ビット本体。
  5. 請求項4に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記切り刃支持部品が焼結炭化物によって本質的に構成されている、モジュール型固定切り刃掘削ビット本体。
  6. 請求項1に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記切り刃支持部品が少なくとも1つの穴を有しており、各切り刃部品が1つの切り刃穴内に固定されている、モジュール型固定切り刃掘削ビット本体。
  7. 請求項1に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記切り刃支持部品が第一の焼結炭化物を含んでおり、前記少なくとも1つの切り刃部品が第二の焼結炭化物を含んでおり、前記第一の焼結炭化物と第二の焼結炭化物とは少なくとも1つの特性が異なっている、モジュール型固定切り刃掘削ビット本体。
  8. 請求項7に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物と第二の焼結炭化物とが、個々に、バインダ内に少なくとも1つの遷移金属炭化物を含んでいる、モジュール型固定切り刃掘削ビット本体。
  9. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物と第二の焼結炭化物とにおいて、前記少なくとも1つの遷移金属炭化物が、タンタル、クロム、バナジウム、ジルコニウム、ハフニウム、タンタル、モリブデン、ニオビウム及びタングステンから選択されたものであり、前記バインダが、コバルト、ニッケル、鉄、コバルト合金、ニッケル合金及び鉄合金から選択された少なくとも1つの金属を独立して含んでいる、モジュール型固定切り刃掘削ビット本体。
  10. 請求項9に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記バインダが、タングステン、チタン、タンタル、ニオビウム、クロム、モリブデン、ホウ素、炭素、ケイ素、ルテニウム、レニウム、マンガン、アルミニウム及び銅から選択された少なくとも1つの合金形成材を更に含んでいる、モジュール型固定切り刃掘削ビット本体。
  11. 請求項9に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物の炭化物と第二の焼結炭化物の炭化物とがタングステン炭化物を含んでいる、モジュール型固定切り刃掘削ビット本体。
  12. 請求項11に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物のバインダと前記第二の焼結炭化物のバインダとがコバルトを含んでいる、モジュール型固定切り刃掘削ビット本体。
  13. 請求項7に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記少なくとも1つの特性が、弾性係数、硬度、耐摩耗性、破壊靱性、引っ張り強度、耐腐食性、熱膨張率及び熱伝導率からなる群から選択されたものである、モジュール型固定切り刃掘削ビット本体。
  14. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物のバインダと前記第二の焼結炭化物とは化学的組成が異なっている、モジュール型固定切り刃掘削ビット本体。
  15. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物のバインダの重量パーセントが前記第二の焼結カーバイドの重量パーセントと異なっている、モジュール型固定切り刃掘削ビット本体。
  16. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物の前記遷移金属炭化物と第二の焼結炭化物の前記遷移金属炭化物とは化学的組成と平均粒子サイズとのうちの少なくとも1つが異なっている、モジュール型固定切り刃掘削ビット本体。
  17. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記焼結炭化物と前記第二の焼結炭化物とが、各々、2〜40重量パーセントのバインダと、60〜98重量パーセントの遷移金属炭化物とを含んでいる、モジュール型固定切り刃掘削ビット本体。
  18. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物と前記第二の焼結炭化物とのうちの少なくとも1つが、0.3〜10μmの平均粒子サイズを有している炭化タングステンを含んでいる、モジュール型固定切り刃掘削ビット本体。
  19. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物及び前記第二の焼結炭化物とのうちの一方が0.5〜10μmの平均粒子サイズを有する炭化タングステン粒子を含んでおり、前記第一の焼結炭化物及び前記第二の焼結炭化物とのうちの他方が0.3〜1.5μmの平均粒子サイズを有する炭化タングステン粒子を含んでいる、モジュール型固定切り刃掘削ビット本体。
  20. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物及び前記第二の焼結炭化物とのうちの一方が、当該第一の焼結炭化物及び前記第二の焼結炭化物とのうちの他方よりも1〜10重量パーセントだけ多いバインダを含んでいる、モジュール型固定切り刃掘削ビット本体。
  21. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第二の焼結炭化物の硬度が90〜94HRAであり、前記第一の焼結炭化物の硬度が85〜90HRAである、モジュール型固定切り刃掘削ビット本体。
  22. 請求項8に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記第一の焼結炭化物が6〜15重量パーセントのコバルト合金を含んでおり、前記第二の焼結炭化物が10〜15重量パーセントのコバルト合金を含んでいる、モジュール型固定切り刃掘削ビット本体。
  23. 請求項1に記載のモジュール型固定切り刃掘削ビット本体であり、
    前記少なくとも1つの切り刃部品が少なくとも2つの部品からなる、モジュール型固定切り刃掘削ビット本体。
  24. 請求項1に記載されたモジュール型固定切り刃掘削ビット本体を含んでいるモジュール型の固定切り刃掘削ビット。
  25. モジュール型固定切り刃掘削ビットであり、
    切り刃支持部品と、
    当該切り刃支持部品に固定され且つ焼結炭化物を含んでいる少なくとも1つの切り刃部品と、
    前記少なくとも1つの切り刃部品に取り付けられている少なくとも1つの切削インサートと、を含んでいるモジュール型固定切り刃掘削ビット。
  26. 請求項25に記載のモジュール型固定切り刃掘削ビットであり、
    前記少なくとも1つの切削インサートが、焼結炭化物インサートと多結晶ダイヤモンドコンパクトとからなる群から選択されたものである、モジュール型固定切り刃掘削ビット。
  27. 請求項25に記載のモジュール型固定切り刃掘削ビットであり、
    前記少なくとも1つの切り刃部品が、少なくとも1つのインサートポケットを含んでおり、前記少なくとも1つの切削インサートが前記少なくとも1つのインサートポケット内に取り付けられている、モジュール型固定切り刃掘削ビット。
  28. 請求項27に記載のモジュール型固定切り刃掘削ビットであり、
    前記少なくとも1つの切削インサートが、焼結炭化物インサートと多結晶ダイヤモンドコンパクトとからなる群から選択されたものである、モジュール型固定切り刃掘削ビット。
  29. モジュール型の固定切り刃掘削ビット本体を製造する方法であり、
    焼結硬質粒子を含んでいる切り刃支持部品を準備することと、
    少なくとも1つの切り刃部品を準備することと、
    前記少なくとも1つの切り刃部品を前記切り刃支持部品に固定することと、を含む方法。
  30. 請求項29に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記少なくとも1つの切り刃部品を固定するステップが、前記切り刃支持部品の穴内に挿入すること、前記切り刃部品を前記切り刃支持部品に溶接すること、前記切り刃部品を前記切り刃支持部品に蝋付けすること、前記切り刃部品を前記切り刃支持部品に半田付けすること、前記切り刃部品を前記切り刃支持部品に圧入すること、前記切り刃部品を前記切り刃支持部品に焼嵌めすること、前記切り刃部品を前記切り刃支持部品に接着すること、前記切り刃部品を前記切り刃支持部品にねじが切られた機械的固定部材によって取り付けることと、前記切り刃部品を前記切り刃支持部品に機械的に固定することとのうちの少なくとも1つからなる、方法。
  31. 請求項30に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記焼結硬質粒子が焼結炭化物である、方法。
  32. 請求項29に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記切り刃支持部品が焼結硬質粒子及び鋼合金のうちの少なくとも1つを含んでいる、方法。
  33. 請求項32に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記切り刃支持部品が焼結炭化物である、方法。
  34. 請求項33に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記切り刃支持部品が焼結炭化物から本質的に構成されている、方法。
  35. 請求項29に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記切り刃支持部品と前記少なくとも1つの切り刃部品とが、各々、バインダ内に少なくとも1つの炭化物の粒子を含んでいる焼結炭化物を含んでおり、前記少なくとも1つの炭化物は、チタン、クロム、バナジウム、ジルコニウム、ハフニウム、タンタル、モリブデン、ニオビウム及びタングステンから選択されたものであり、前記バインダは、コバルト、ニッケル、鉄、コバルト合金、ニッケル合金及び鉄合金から選択された少なくとも1つの金属を含んでいる、方法。
  36. 請求項35に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記切り刃支持部品の焼結炭化物のバインダ及び前記少なくとも1つの切り刃部品の焼結炭化物が、各々、独立して、タングステン、チタン、タンタル、ニオビウム、クロム、モリブデン、ホウ素、炭素、ケイ素、ルテニウム、レニウム、マンガン、アルミニウム、銅、ジルコニウム及びハフニウムから選択された合金形成材を更に含んでいる、方法。
  37. 請求項35に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記炭化物がタングステンであり、前記バインダがコバルトを含んでいる、方法。
  38. 請求項35に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記少なくとも1つの切り刃部品を準備するステップが、粉末材料を圧縮して未加工のコンパクトにすること、当該未加工のコンパクトを機械加工すること及び前記機械加工された未加工のコンパクトを焼結することを含んでいる、方法。
  39. 請求項38に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記切り刃支持部品を準備するステップが、粉末材料を圧縮して未加工のコンパクトにすること、当該未加工のコンパクトを機械加工すること及び前記機械加工された未加工のコンパクトを焼結することを含んでいる、方法。
  40. 請求項38又は39に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記粉末金属が金属炭化物粉末及びバインダ粉末を含んでいる、方法。
  41. 請求項29に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    前記少なくとも1つの切り刃部品が多数の部品からなり、当該方法が前記多数の部品を前記切り刃支持部品に固定することを含んでいる、方法。
  42. 請求項29に記載のモジュール型固定切り刃掘削ビット本体を製造する方法であり、
    少なくとも1つのインサートポケットを加工して前記少なくとも1つの切り刃部品にすることを含んでいる、方法。
  43. モジュール型固定切り刃掘削ビットを製造する方法であり、
    請求項1に記載されているモジュール型固定切り刃掘削ビット本体を準備することと、少なくとも1つの切削インサートを前記少なくとも1つの切り刃部品に固定することとを含んでいる、方法。
JP2009507907A 2006-04-27 2007-04-20 モジュール型の固定カッターボーリングビット、モジュール型の固定カッターボーリングビット本体及びそれに関連する方法 Pending JP2009535536A (ja)

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US79529006P 2006-04-27 2006-04-27
PCT/US2007/067096 WO2007127680A1 (en) 2006-04-27 2007-04-20 Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods

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US (2) US8312941B2 (ja)
EP (2) EP2327856B1 (ja)
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AT (1) ATE512278T1 (ja)
AU (1) AU2007244947B2 (ja)
BR (1) BRPI0710530B1 (ja)
CA (1) CA2648181C (ja)
ES (1) ES2386626T3 (ja)
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