JPS57156898A - Load detecting device of press - Google Patents
Load detecting device of pressInfo
- Publication number
- JPS57156898A JPS57156898A JP4196881A JP4196881A JPS57156898A JP S57156898 A JPS57156898 A JP S57156898A JP 4196881 A JP4196881 A JP 4196881A JP 4196881 A JP4196881 A JP 4196881A JP S57156898 A JPS57156898 A JP S57156898A
- Authority
- JP
- Japan
- Prior art keywords
- press
- load
- signal
- sensor
- pin
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0094—Press load monitoring means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Force In General (AREA)
- Control Of Presses (AREA)
Abstract
PURPOSE:To obtain a load detecting device of a press, which has improved its detecting accuray and environmental adaptability of equipment, by converting expansion and contraction of a frame of the press to the extent of bending of a spring, and detecting voltage responding to this extent of bending through a distortion gauge type load sensor. CONSTITUTION:An output of a load sensor 3 for outputting voltage responding to load of a press is an analog signal, and it is converted to a digital signal by an A/D converter 8. Subsequently, the converted digital load signal is supplied to a compensation device 9, and said load signal is compensated in accordance with environment for the operation of press, that is to say, an ambient temperature of the press, input voltage, etc. Also, whether load of the press is proper or not is decided by inputting the compensated digital signal to an operating device 10, and an output signal is applied to each indicator. In this regard, in the figure, 1 and 2 denote a guide and a pin, respectively, and the sensor 5 is inserted and fixed under the pin 2. Also, on the upper surface of the sensor 3, a spring seat 5 is superposed, and between this seat 5 and the lower end part of the pin 2, a spring 6 is stretched and provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4196881A JPS57156898A (en) | 1981-03-23 | 1981-03-23 | Load detecting device of press |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4196881A JPS57156898A (en) | 1981-03-23 | 1981-03-23 | Load detecting device of press |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57156898A true JPS57156898A (en) | 1982-09-28 |
Family
ID=12622983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4196881A Pending JPS57156898A (en) | 1981-03-23 | 1981-03-23 | Load detecting device of press |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57156898A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183526U (en) * | 1987-05-18 | 1988-11-25 | ||
US5157964A (en) * | 1990-08-02 | 1992-10-27 | Daiwa Can Company | Method and apparatus for judging crushes of can body |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50473A (en) * | 1973-02-26 | 1975-01-07 |
-
1981
- 1981-03-23 JP JP4196881A patent/JPS57156898A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50473A (en) * | 1973-02-26 | 1975-01-07 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183526U (en) * | 1987-05-18 | 1988-11-25 | ||
US5157964A (en) * | 1990-08-02 | 1992-10-27 | Daiwa Can Company | Method and apparatus for judging crushes of can body |
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