JPS6240750Y2 - - Google Patents
Info
- Publication number
- JPS6240750Y2 JPS6240750Y2 JP2816581U JP2816581U JPS6240750Y2 JP S6240750 Y2 JPS6240750 Y2 JP S6240750Y2 JP 2816581 U JP2816581 U JP 2816581U JP 2816581 U JP2816581 U JP 2816581U JP S6240750 Y2 JPS6240750 Y2 JP S6240750Y2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- depth control
- circuit
- rotary drill
- cutting
- 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
- 238000005520 cutting process Methods 0.000 claims description 34
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 238000005553 drilling Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Automatic Control Of Machine Tools (AREA)
- Drilling And Boring (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2816581U JPS6240750Y2 (enExample) | 1981-02-27 | 1981-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2816581U JPS6240750Y2 (enExample) | 1981-02-27 | 1981-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57140943U JPS57140943U (enExample) | 1982-09-03 |
| JPS6240750Y2 true JPS6240750Y2 (enExample) | 1987-10-19 |
Family
ID=29825835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2816581U Expired JPS6240750Y2 (enExample) | 1981-02-27 | 1981-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6240750Y2 (enExample) |
-
1981
- 1981-02-27 JP JP2816581U patent/JPS6240750Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57140943U (enExample) | 1982-09-03 |
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