JPS5761461A - Surface grinder - Google Patents
Surface grinderInfo
- Publication number
- JPS5761461A JPS5761461A JP13185080A JP13185080A JPS5761461A JP S5761461 A JPS5761461 A JP S5761461A JP 13185080 A JP13185080 A JP 13185080A JP 13185080 A JP13185080 A JP 13185080A JP S5761461 A JPS5761461 A JP S5761461A
- Authority
- JP
- Japan
- Prior art keywords
- grindstone
- pulse
- stopped
- work
- fed
- 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
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
PURPOSE: To prevent damaging of a grindstone and a work by a method wherein a detection signal from a sensort for the preliminary tremor of an earthquake is fed to a controller connected to a grinder, and the rotation of the grindstone is stopped after the grindstone is separated from the work.
CONSTITUTION: When the preliminary tremor (primary wave) of an earthquake is detected by the sensor 9, a pulse 12 is fed out, and a pulse 14 is fed out from a delay circuit 13 when the pulse 12 has disappeared. Then the output pulses 12, 14 are fed to a control panel 7. When the pulse 12 derived from the sensor 9 is generated, a grindstone supporing mechanism 2 is lifted up to a position such as to operate a limitting swtich 15, thereby separating the grindstone 3 from the work 6. With the switch 15 turns ON, supply of power to a motor for rotating the grindstone is stopped and, on the other hand, a table 4 is also stopped.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13185080A JPS5761461A (en) | 1980-09-22 | 1980-09-22 | Surface grinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13185080A JPS5761461A (en) | 1980-09-22 | 1980-09-22 | Surface grinder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5761461A true JPS5761461A (en) | 1982-04-13 |
Family
ID=15067568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13185080A Pending JPS5761461A (en) | 1980-09-22 | 1980-09-22 | Surface grinder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5761461A (en) |
-
1980
- 1980-09-22 JP JP13185080A patent/JPS5761461A/en active Pending
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