JPS6332225Y2 - - Google Patents
Info
- Publication number
- JPS6332225Y2 JPS6332225Y2 JP20241983U JP20241983U JPS6332225Y2 JP S6332225 Y2 JPS6332225 Y2 JP S6332225Y2 JP 20241983 U JP20241983 U JP 20241983U JP 20241983 U JP20241983 U JP 20241983U JP S6332225 Y2 JPS6332225 Y2 JP S6332225Y2
- Authority
- JP
- Japan
- Prior art keywords
- cell
- angle
- cutting angle
- lift cylinder
- setting device
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 8
- 239000003921 oil Substances 0.000 description 23
- 238000003780 insertion Methods 0.000 description 14
- 230000037431 insertion Effects 0.000 description 14
- 239000010720 hydraulic oil Substances 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20241983U JPS60111989U (ja) | 1983-12-29 | 1983-12-29 | さく孔装置用さし角制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20241983U JPS60111989U (ja) | 1983-12-29 | 1983-12-29 | さく孔装置用さし角制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60111989U JPS60111989U (ja) | 1985-07-29 |
| JPS6332225Y2 true JPS6332225Y2 (https=) | 1988-08-29 |
Family
ID=30764861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20241983U Granted JPS60111989U (ja) | 1983-12-29 | 1983-12-29 | さく孔装置用さし角制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60111989U (https=) |
-
1983
- 1983-12-29 JP JP20241983U patent/JPS60111989U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60111989U (ja) | 1985-07-29 |
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