JPS5455879A - Adaptive control circuit for deep hole drilling machine - Google Patents
Adaptive control circuit for deep hole drilling machineInfo
- Publication number
- JPS5455879A JPS5455879A JP12185277A JP12185277A JPS5455879A JP S5455879 A JPS5455879 A JP S5455879A JP 12185277 A JP12185277 A JP 12185277A JP 12185277 A JP12185277 A JP 12185277A JP S5455879 A JPS5455879 A JP S5455879A
- Authority
- JP
- Japan
- Prior art keywords
- drill
- thrust load
- control circuit
- feed speed
- amplifier
- 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.)
- Pending
Links
Landscapes
- Automatic Control Of Machine Tools (AREA)
- Drilling And Boring (AREA)
Abstract
PURPOSE: To increase the drill service life by controlling the drilling and feed speed in accordance with the drill thrust load of the drill.
CONSTITUTION: A thrust load detector 24 is installed inside a drill spindle 21 and is connected through the output of a feed speed position control circuit 37 and a thrust load operational calculus amplifier 45. By doing so, the drilling thrust load of a drill 23 detected by the thrust load detector 24 is imput through a strain amplifier 43 and a ropus filter 44 to the thrust load operational calculus amplifier 45 for effecting the designated operational calculus. After that, multiplying the output of the feed speed position control circuit 37, it is imput to a sirvo drive unit 38 comparing with a final drilling feed speed of a speed comparator 53. Then, a feed motor 12 is controlled and the feed speed of the drill is reduced according to the speed of drill blade wear-out
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12185277A JPS5455879A (en) | 1977-10-13 | 1977-10-13 | Adaptive control circuit for deep hole drilling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12185277A JPS5455879A (en) | 1977-10-13 | 1977-10-13 | Adaptive control circuit for deep hole drilling machine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5455879A true JPS5455879A (en) | 1979-05-04 |
Family
ID=14821516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12185277A Pending JPS5455879A (en) | 1977-10-13 | 1977-10-13 | Adaptive control circuit for deep hole drilling machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5455879A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58177252U (en) * | 1982-05-22 | 1983-11-26 | 東芝機械株式会社 | Processing unit drive control device |
JPS58177254U (en) * | 1982-05-22 | 1983-11-26 | 東芝機械株式会社 | Processing unit drive control device |
US5116168A (en) * | 1988-04-28 | 1992-05-26 | Fuji Jukogyo Kabushiki Kaisha | Method and apparatus for controlling drilling operation |
WO1995002485A1 (en) * | 1993-07-13 | 1995-01-26 | Akihiko Fujimoto | Drilling system |
US6565293B2 (en) * | 2000-01-28 | 2003-05-20 | Recoules S.A. | Pneumatic machine tool |
JP2011036984A (en) * | 2009-08-18 | 2011-02-24 | Shinmaywa Industries Ltd | Boring device and boring method |
-
1977
- 1977-10-13 JP JP12185277A patent/JPS5455879A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58177252U (en) * | 1982-05-22 | 1983-11-26 | 東芝機械株式会社 | Processing unit drive control device |
JPS58177254U (en) * | 1982-05-22 | 1983-11-26 | 東芝機械株式会社 | Processing unit drive control device |
JPH0239717Y2 (en) * | 1982-05-22 | 1990-10-24 | ||
JPH0239716Y2 (en) * | 1982-05-22 | 1990-10-24 | ||
US5116168A (en) * | 1988-04-28 | 1992-05-26 | Fuji Jukogyo Kabushiki Kaisha | Method and apparatus for controlling drilling operation |
WO1995002485A1 (en) * | 1993-07-13 | 1995-01-26 | Akihiko Fujimoto | Drilling system |
US5599142A (en) * | 1993-07-13 | 1997-02-04 | Fanuc Ltd. | Drilling control apparatus |
US6565293B2 (en) * | 2000-01-28 | 2003-05-20 | Recoules S.A. | Pneumatic machine tool |
JP2011036984A (en) * | 2009-08-18 | 2011-02-24 | Shinmaywa Industries Ltd | Boring device and boring method |
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