Metal sheet processing equipment design and manufacturing enterprise
Pinhole detector
1. Technical parameters
1.1. Detection method: ultraviolet measurement
1.2. Test material: tinplate.
1.3. Width of test material: 600 ~ 1250mm; Thickness: 0.125 ~ 0.525mm
1.4. Minimum aperture of test material: 0.015mm
1.5. Maximum speed of strip: 350m/min
1.5. Under the condition of linear speed of 300 m/min, the minimum spacing of pinhole signal output is 14 mm, and the blind area of pinhole detection is beyond 8 mm from the edge of the material to be inspected. The 500 mm area before and after the pinhole is the pinhole defect area and should be cut off.
1.6. When the pinhole detector detects the pinhole, it can output the relevant signal to the PLC, and the PLC will calculate the pinhole position and record it, which can be printed; And can control the labeling machine labeling.
1.7. As the equipment with very sensitive pinhole detection ceremony needs clean and continuous AC power supply of 220VAC 50HZ and cannot be shared with other equipment.
1.8. The installation position of the pinhole detector should be far away from the strong electromagnetic field and the high-power frequency converter and frequency conversion motor (the high-power is greater than 7.5KW), and the safety distance should be greater than 2.0m.
2. Product description
2.1. Product function: Detect the microholes on the high-speed flat plate belt
2.2. Measurement method: UV light measurement
2.3. Measurable aperture: 0.015mm
2.4. Uv probe: photomultiplier tube
2.5. Minimum time interval for adjacent holes: 5ms for holes with a diameter of 25um
2.6. Maximum speed limit: 1830m/min(maximum speed)
2.7. Side hood: ensure that it is 6.3mm. When the edge of the strip moves within the range or the width changes within 1mm, the side hood can be as small as 3mm
2.9. Edge following response time: 60mm/ second
2.10. Automatic calibration: under normal environment, the longest interval is not more than one week, but under bad environment, more frequent automatic calibration is needed to ensure the normal work of the system
2.11. Width of test material: 600mm, 1250mm
2.12. Serial port connection: 1. Provide one RS232 serial port control system, monitoring status, and original probe data
2. Reserve the RS485 port
2.13. Output: 1. 5V TTL output
2. Optical coupler output
3, two single-pole double-throw relay output, can be 10A 250V switch to high resistance
4, NPN set open-circuit output
5, PNP collector open circuit output
2.14. Power supply requirements: 165V ~ 240V; 50Hz/60Hz
2.15. Average power 250VA, including all options
2.16. Peak power 500VA, including motor edge follow
2.17. Working range: -10 ℃ ~ 50℃
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