JPS62199299U - - Google Patents
Info
- Publication number
- JPS62199299U JPS62199299U JP8756086U JP8756086U JPS62199299U JP S62199299 U JPS62199299 U JP S62199299U JP 8756086 U JP8756086 U JP 8756086U JP 8756086 U JP8756086 U JP 8756086U JP S62199299 U JPS62199299 U JP S62199299U
- Authority
- JP
- Japan
- Prior art keywords
- dead center
- top dead
- detection
- detection switches
- detecting
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は同実施例のタイミングチヤート、第３図はプ
レス機械の一例を示す概略図である。
１５，１６……上死点検出用スイツチ、２３〜
３１……検出手段。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a timing chart of the same embodiment, and FIG. 3 is a schematic diagram showing an example of a press machine. 15, 16...Top dead center detection switch, 23~
31...Detection means.
Claims (1)
出用スイツチを有するプレス機械において、上記
上死点検出用スイツチを２個設け、かつこの２個
の上死点検出用スイツチの検知信号が異なること
によりこの２個の上死点検出用スイツチの一方の
接点不良を検出する検出手段を設けた上死点不良
検出回路。 In a press machine having a top dead center detection switch for detecting that the ram has reached the top dead center, two of the above-mentioned top dead center detection switches are provided, and detection signals of these two top dead center detection switches are provided. A top dead center failure detection circuit is provided with a detection means for detecting a contact failure of one of the two top dead center detection switches based on the difference in the top dead center detection switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8756086U JPS62199299U (en) | 1986-06-09 | 1986-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8756086U JPS62199299U (en) | 1986-06-09 | 1986-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62199299U true JPS62199299U (en) | 1987-12-18 |
Family
ID=30944886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8756086U Pending JPS62199299U (en) | 1986-06-09 | 1986-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62199299U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5078073A (en) * | 1973-11-10 | 1975-06-25 |
-
1986
- 1986-06-09 JP JP8756086U patent/JPS62199299U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5078073A (en) * | 1973-11-10 | 1975-06-25 |