JP4693753B2 - 残銑穿孔用ビット - Google Patents
残銑穿孔用ビット Download PDFInfo
- Publication number
- JP4693753B2 JP4693753B2 JP2006318390A JP2006318390A JP4693753B2 JP 4693753 B2 JP4693753 B2 JP 4693753B2 JP 2006318390 A JP2006318390 A JP 2006318390A JP 2006318390 A JP2006318390 A JP 2006318390A JP 4693753 B2 JP4693753 B2 JP 4693753B2
- Authority
- JP
- Japan
- Prior art keywords
- head
- bit
- chip
- receiving recess
- rear end
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 27
- 238000005520 cutting process Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Earth Drilling (AREA)
Description
1A 頭部
1B 胴部
2 超硬チップ
3 チップ着座部
4 切り屑受け入れ凹部
5 排出溝
Claims (5)
- 断面円形の頭部と、この頭部と同径で且つ該頭部よりも長さが長い胴部とから形成していると共に該頭部に直径方向に貫通する一定量の深さと幅を有するチップ着座部を刻設してこのチップ着座部に上記超硬チップを植設、固着してなるビット本体を有する残銑穿孔用ビットであって、頭部の前端から胴部の前半部に至るビット本体の対向する両側部に上記超硬チップの回転方向に面した板面をその一側面に露出させた正面視L字状の切り屑受け入れ凹部を形成していると共に、胴部の後半部両側面に前端が上記切り屑受け入れ凹部の後端外周部に連通した一定幅を有する排出溝を全長に亘って設けていることを特徴とする残銑穿孔用ビット。
- 超硬チップの切刃の外側端と、これらの外側端から超硬チップの回転方向にそれぞれ略90度の間隔を存した外周部との間のビット本体の対向する両側部を該ビット本体の中心に達する深さまで切除することによって一側壁面に超硬チップの板面を露出させた正面視L字状の切り屑受け入れ凹部を形成していると共に、この切り屑受け入れ凹部の両側壁面における外端部の後端に排出溝の両側壁の前端を面一状に連続させてあり、さらに、切り屑受け入れ凹部の後端底面を該切り屑受け入れ凹部の他側壁面の後端から排出溝の溝幅方向に向かって後方に傾斜した傾斜底面に形成していることを特徴とする請求項1に記載の残銑穿孔用ビット。
- 超硬チップにおける切り屑受け入れ凹部側に面している切刃のすくい角を中心部側が負で外側が正のすくい角に形成していることを特徴とする請求項1又は請求項2に記載の残銑穿孔用ビット。
- ビット本体の頭部の前端面をその中心から外周端に向かって緩やかに後方に傾斜した円錐形状の傾斜面に形成していると共に、この頭部に直径方向に植設、固着している超硬チップの前端面を頭部の傾斜前端面に沿った山形状に形成してあり、この超硬チップの中央部に形成しているチゼルエッジを頭部の前端面中心部から前方に突出させていることを特徴とする請求項1、請求項2又は請求項3に記載の残銑穿孔用ビット。
- ビット本体の胴部の後端部を小径のシャンク部に形成していると共にこのシャンク部内に後端が該シャンク部の後端面に開口している中空ロッド接続用の螺子孔を設けてあり、この螺子孔から頭部の先端面と切り屑受け入れ凹部に連通した注水孔を穿設していることを特徴とする請求項1に記載の残銑穿孔用ビット。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006318390A JP4693753B2 (ja) | 2006-11-27 | 2006-11-27 | 残銑穿孔用ビット |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006318390A JP4693753B2 (ja) | 2006-11-27 | 2006-11-27 | 残銑穿孔用ビット |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008133594A JP2008133594A (ja) | 2008-06-12 |
JP4693753B2 true JP4693753B2 (ja) | 2011-06-01 |
Family
ID=39558629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006318390A Active JP4693753B2 (ja) | 2006-11-27 | 2006-11-27 | 残銑穿孔用ビット |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4693753B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101238883B1 (ko) | 2009-11-17 | 2013-03-04 | (주)한성중공업 | 고로 천공장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0362779U (ja) * | 1989-10-25 | 1991-06-19 | ||
JPH0362778U (ja) * | 1989-10-25 | 1991-06-19 | ||
JP2001234682A (ja) * | 2000-02-23 | 2001-08-31 | Mitsubishi Materials Corp | 掘削工法および掘削工具 |
-
2006
- 2006-11-27 JP JP2006318390A patent/JP4693753B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0362779U (ja) * | 1989-10-25 | 1991-06-19 | ||
JPH0362778U (ja) * | 1989-10-25 | 1991-06-19 | ||
JP2001234682A (ja) * | 2000-02-23 | 2001-08-31 | Mitsubishi Materials Corp | 掘削工法および掘削工具 |
Also Published As
Publication number | Publication date |
---|---|
JP2008133594A (ja) | 2008-06-12 |
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