JPS57168103A - Method for checking detecting axis of misalignment detector of spotting device - Google Patents
Method for checking detecting axis of misalignment detector of spotting deviceInfo
- Publication number
- JPS57168103A JPS57168103A JP5350381A JP5350381A JPS57168103A JP S57168103 A JPS57168103 A JP S57168103A JP 5350381 A JP5350381 A JP 5350381A JP 5350381 A JP5350381 A JP 5350381A JP S57168103 A JPS57168103 A JP S57168103A
- Authority
- JP
- Japan
- Prior art keywords
- misalignment
- mark
- upper die
- axis
- lower die
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Electromechanical Clocks (AREA)
Abstract
PURPOSE:To perform accurate spotting of an upper die and a lower die, by detecting the directional alignment or misalignment of the detecting axis of the misalignment detector and a slide axis, and detecting the amount of misalignment of the upper die in the case of misalignment. CONSTITUTION:A cylinder 19 of the spotting device 10 is contracted. An up and down slide 21 is lifted and stopped at the position where a limit switch LSu is turned ON. A cylinder 50 is extended, and dummy mark 52a is aligned with the position of an upper die mark 61b. Then the position X1 of the mark 52a is detected by an ITV camera. Thereafter the slide 21 is lowered and stopped at the position where a limit switch LSd is turned ON. The dummy mark 52a is aligned with the position of the lower die mark 71b, and the position X2 of the mark 52a is detected. The axis of the detector DT is corrected so that the amount of the misalignment X1-X2 becomes zero. Thereafter, the upper die 60 and the lower die 70 are put in. The upper die is mounted on a compensating frame 32, and the lower die 70 is mounted on a truck 13. The marks 61b and 71b are detected, and the position of the upper die is corrected based on the amount of the misalignment. Thus the accurate spotting is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5350381A JPS57168103A (en) | 1981-04-09 | 1981-04-09 | Method for checking detecting axis of misalignment detector of spotting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5350381A JPS57168103A (en) | 1981-04-09 | 1981-04-09 | Method for checking detecting axis of misalignment detector of spotting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57168103A true JPS57168103A (en) | 1982-10-16 |
Family
ID=12944623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5350381A Pending JPS57168103A (en) | 1981-04-09 | 1981-04-09 | Method for checking detecting axis of misalignment detector of spotting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57168103A (en) |
-
1981
- 1981-04-09 JP JP5350381A patent/JPS57168103A/en active Pending
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