JP2014523816A - カッタ構造体、カッタ構造体を有するインサート及びカッタ構造体の製作方法 - Google Patents
カッタ構造体、カッタ構造体を有するインサート及びカッタ構造体の製作方法 Download PDFInfo
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Abstract
【選択図】図1
Description
Claims (35)
- すくい角トポロジーを定める超硬度材料から成るカッタ構造体を製作する方法であって、前記方法は、前記すくい角トポロジーと相補するトポロジーを定める成形面を備えた基体及び複数個の超硬度結晶粒を含む凝集体を有する予備焼結組立体を用意するステップを含み、前記凝集体は、前記成形面に隣接して配置され、前記基体は、前記超硬度材料が熱力学的に安定する圧力及び温度において前記超硬度結晶粒の焼結を促進することができる触媒又は結合材料の源を有し、前記方法は、前記予備焼結組立体に前記圧力及び温度を加えて超硬度構造体を提供するステップを更に含み、前記超硬度構造体は、前記超硬度構造体の第1の主境界部のところで前記成形面に接合された焼結多結晶超硬度材料から成り、前記超硬度構造体は、前記第1の主境界部と反対側の第2の主境界部を有し、前記方法は更に、前記基体を除去して前記すくい角トポロジーを定める前記超硬度構造体の前記第1の主境界部を露出させるステップを含む、方法。
- 前記超硬度構造体の前記第2の主境界部をインサートベースに接合するステップを含む、請求項1記載の方法。
- 前記すくい角トポロジーは、切り屑ブレーカ表面トポロジーを含む、請求項1又は2記載の方法。
- 前記超硬度材料は、多結晶ダイヤモンド(PCD)材料を含む、請求項1〜3のうちいずれか一に記載の方法。
- 前記超硬度材料は、多結晶質立方晶窒化硼素(PCBN)材料を含む、請求項1〜4のうちいずれか一に記載の方法。
- 前記第1の主境界部に隣接して位置する第1の領域内の多結晶超硬度材料は、前記第1の主境界部から見て実質的に遠くに離れて位置する第2の領域内の多結晶超硬度材料よりも低い硬度を有する、請求項1〜5のうちいずれか一に記載の方法。
- 前記第1の領域は、前記第1の主境界部から少なくとも約50ミクロンの深さまで延びている、請求項6記載の方法。
- 前記第2の領域は、前記第1の領域との境界部から約200ミクロンの深さまで延びている、請求項6又は7記載の方法。
- 前記第1の領域内の多結晶超硬度材料は、前記超硬度結晶粒の平均含有量が前記第2の領域内の前記多結晶超硬度材料よりも少ない、請求項6〜8のうちいずれか一に記載の方法。
- 前記第1の領域内の触媒又は結合材料の含有量は、前記第2の領域内の触媒又は結合材料の含有量よりも実質的に多い、請求項6〜9のうちいずれか一に記載の方法。
- 前記第1の領域内の触媒又は結合材料の含有量は、前記第2の領域内の触媒又は結合材料の含有量よりも実質的に少ない、請求項6〜9のうちいずれか一に記載の方法。
- 前記第1の領域内の多結晶超硬度材料は、含有する触媒又は結合材料が実質的に前記第2の領域内の多結晶超硬度材料よりも少なくとも約10パーセント多い、請求項6〜11のうちいずれか一に記載の方法。
- 前記触媒又は結合材料のうちの少なくとも幾分かを前記第1の主境界部に隣接して位置する前記多結晶超硬度材料から除去するステップを含む、請求項1〜12のうちいずれか一に記載の方法。
- 前記基体は焼結炭化物材料から成る、請求項1〜13のうちいずれか一に記載の方法。
- 前記基体は、接合剤を含む焼結炭化物材料から成り、前記接合剤は、前記超硬度材料を焼結するための前記触媒又は結合材料の前記源を含む、請求項1〜14のうちいずれか一に記載の方法。
- 前記凝集体は、前記超硬度材料を焼結するための触媒材料の源を含む、請求項1〜15のうちいずれか一に記載の方法。
- 前記超硬度構造体の前記第1の主境界部をインサートベースに接合するステップ及び次に前記基体を除去して前記超硬度構造体の前記第1の主境界部を露出させるステップを含む、請求項1〜16のうちいずれか一に記載の方法。
- 前記基体及び前記インサートベースは、焼結炭化物材料から成る、請求項1〜17のうちいずれか一に記載の方法。
- 前記基体は、第1の焼結炭化物材料から成り、前記インサートベースは、第2の焼結炭化物材料から成り、前記第1の焼結炭化物材料と前記第2の焼結炭化物材料は、組成の少なくとも1つの観点において実質的に異なる、請求項1〜18のうちいずれか一に記載の方法。
- 前記第2の焼結炭化物材料は、前記第1の焼結炭化物材料よりも炭化物結晶粒材料含有量が多く且つ接合剤含有量が少ない、請求項19記載の方法。
- 前記圧力は、少なくとも約7GPaであり、前記温度は、少なくとも約1,400℃である、請求項1〜20のうちいずれか一に記載の方法。
- 前記圧力は、少なくとも約4GPaであり、前記温度は、少なくとも約1,200℃である、請求項1〜21のうちいずれか一に記載の方法。
- 放電加工(EDM)、レーザ加工、機械工具又はエッチングによって前記成形面を形成するステップを含む、請求項1〜22のうちいずれか一に記載の方法。
- 前記基体のための前駆物質を含む未加工物体の表面上に成形面トポロジーを形成するステップ及び前記未加工物体を焼結して前記基体を形成するステップを含む、請求項1〜23のうちいずれか一に記載の方法。
- 前記超硬度構造体を加工して前記超硬度構造体上に切れ刃を形成するステップを含む、請求項1〜24のうちいずれか一に記載の方法。
- 酸処理又は腐食性物質を用いる処理によって前記基体を除去するステップを含む、請求項1〜25のうちいずれか一に記載の方法。
- すくい角トポロジーを含むすくい角を定める多結晶超硬度材料から成るカッタ構造体であって、前記すくい角に隣接して位置する第1の領域内の多結晶超硬度材料は、前記すくい角から実質的に遠くに離れて位置する第2の領域内の多結晶超硬度材料よりも低い硬度を有する、カッタ構造体。
- 前記すくい角トポロジーは、切り屑ブレーカトポロジーとして機能することができる、請求項27記載のカッタ構造体。
- 前記第1の領域は、前記第1の主境界部から少なくとも約50ミクロンの深さまで延びている、請求項27又は28記載のカッタ構造体。
- 前記第2の領域は、前記第1の領域との境界部から約200ミクロンの深さまで延びている、請求項27〜29のうちいずれか一に記載のカッタ構造体。
- 前記第1の領域内の多結晶超硬度材料は、前記超硬度結晶粒の平均含有量が前記第2の領域内の前記多結晶超硬度材料よりも少ない、請求項27〜30のうちいずれか一に記載のカッタ構造体。
- 前記第1の領域内の触媒又は結合材料の含有量は、前記第2の領域内の触媒又は結合材料の含有量よりも実質的に多い、請求項27〜31のうちいずれか一に記載のカッタ構造体。
- 前記第1の領域内の触媒又は結合材料の含有量は、前記第2の領域内の触媒又は結合材料の含有量よりも実質的に少ない、請求項27〜31のうちいずれか一に記載のカッタ構造体。
- 前記第1の領域内の多結晶超硬度材料は、含有する触媒又は結合材料が実質的に前記第2の領域内の多結晶超硬度材料よりも少なくとも約10パーセント多い、請求項27〜33のうちいずれか一に記載のカッタ構造体。
- 機械工具用のインサートであって、請求項27〜34のうちいずれか一に記載のカッタ構造体を有する、インサート。
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US201161509073P | 2011-07-18 | 2011-07-18 | |
GB201112325A GB201112325D0 (en) | 2011-07-18 | 2011-07-18 | Inserts and method for making same |
GB1112325.4 | 2011-07-18 | ||
US61/509,073 | 2011-07-18 | ||
PCT/EP2012/064003 WO2013011025A2 (en) | 2011-07-18 | 2012-07-17 | Cutter structures, inserts comprising same and method for making same |
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CN104858460B (zh) * | 2015-05-06 | 2017-08-04 | 株洲钻石切削刀具股份有限公司 | 一种可转位车削刀片 |
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GB201622453D0 (en) * | 2016-12-31 | 2017-02-15 | Element Six Ltd | Superhard constructions & methods of making same |
US10835990B2 (en) * | 2018-01-26 | 2020-11-17 | Kennametal Inc. | Cutting tools comprising ultrahard materials and methods of making the same |
US20200001374A1 (en) * | 2018-06-29 | 2020-01-02 | Herramientas Preziss, S.L. | Cutting Insert Applicable To Machining Tools And The Tool Bearing It |
USD902966S1 (en) | 2019-05-21 | 2020-11-24 | Christopher Lee Caliendo | Rhombus negative rake wood turning blade |
USD902968S1 (en) | 2019-05-21 | 2020-11-24 | Christopher Lee Caliendo | Squared negative rake wood turning blade |
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GB201112325D0 (en) | 2011-08-31 |
US20140239051A1 (en) | 2014-08-28 |
KR20140046026A (ko) | 2014-04-17 |
US9095918B2 (en) | 2015-08-04 |
GB201212672D0 (en) | 2012-08-29 |
EP2734483B1 (en) | 2017-08-30 |
KR101530516B1 (ko) | 2015-06-25 |
GB2493083B (en) | 2014-02-26 |
JP5658421B2 (ja) | 2015-01-28 |
CN103813998B (zh) | 2016-08-17 |
CN103813998A (zh) | 2014-05-21 |
GB2493083A (en) | 2013-01-23 |
EP2734483A2 (en) | 2014-05-28 |
WO2013011025A2 (en) | 2013-01-24 |
WO2013011025A3 (en) | 2013-05-02 |
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