JPS5876690A - たて穴ボ−リングマシンのカツタヘツド - Google Patents
たて穴ボ−リングマシンのカツタヘツドInfo
- Publication number
- JPS5876690A JPS5876690A JP17447081A JP17447081A JPS5876690A JP S5876690 A JPS5876690 A JP S5876690A JP 17447081 A JP17447081 A JP 17447081A JP 17447081 A JP17447081 A JP 17447081A JP S5876690 A JPS5876690 A JP S5876690A
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- support member
- main shaft
- drag
- rotary
- 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.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000011435 rock Substances 0.000 description 16
- 238000009412 basement excavation Methods 0.000 description 12
- 239000002689 soil Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17447081A JPS5876690A (ja) | 1981-11-02 | 1981-11-02 | たて穴ボ−リングマシンのカツタヘツド |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17447081A JPS5876690A (ja) | 1981-11-02 | 1981-11-02 | たて穴ボ−リングマシンのカツタヘツド |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5876690A true JPS5876690A (ja) | 1983-05-09 |
| JPS6232314B2 JPS6232314B2 (enrdf_load_stackoverflow) | 1987-07-14 |
Family
ID=15979038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17447081A Granted JPS5876690A (ja) | 1981-11-02 | 1981-11-02 | たて穴ボ−リングマシンのカツタヘツド |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5876690A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014237947A (ja) * | 2013-06-07 | 2014-12-18 | 東日本旅客鉄道株式会社 | ビット装置 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0411411U (enrdf_load_stackoverflow) * | 1990-05-21 | 1992-01-30 |
-
1981
- 1981-11-02 JP JP17447081A patent/JPS5876690A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014237947A (ja) * | 2013-06-07 | 2014-12-18 | 東日本旅客鉄道株式会社 | ビット装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6232314B2 (enrdf_load_stackoverflow) | 1987-07-14 |
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