The document discusses opto-electronic measurement systems produced by Shape Technology Ltd for use in the steel and metal industries. It provides details on several of their key products:
- The Reflex Gauge uses lasers and cameras to take real-time profile measurements of sections on rolling mills. It provides dimensional data to mill operators.
- Width gauges use CCD cameras to measure the width of flat products with high accuracy to help control widths.
- A crop shear optimization system uses cameras to measure bar end shapes and determine optimal cutting positions for shears to reduce yield losses.
- Additional systems and capabilities are described for camber measurement, thermal profiling, and shape measurement to further enhance dimensional control
8. Design Criteria Optimised camera mounting position provides guaranteed measurement of sharp internal angles and avoids self-shadowing
9. Design Criteria The effects of vibration are cancelled by mounting the optical system independently of the gauge body Every mill has inherent vibrations
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11. Performance Figures 0.1 0.1 Full Profile Time (sec) 10 10 Measurement Rate (readings per sec) Four Four No. of Laser/Camera Modules ±0.45 ±0.2 Accuracy (mm) 450 mm 200 mm Max Product Size (mm) RX2 RX1 Model No.
20. Block Diagram Serial/Ethernet Parallel Analog Junction Box Water Air Measurement Matrix Camera Roller Table Remote Operator Station Customer Equipment CCD2030 WIDTH GAUGE XXXXX XXXXX XXXXX XXXXX ees Main Electronics Cabinet CCD2030 Ethernet
29. CCD 2040 – EES Width Gauge AC Circuit breakers LCD Flat Screen Monitor Win 2K LEP Real Time OS System Processor Pullout Keyboard Master AC Switch LV PSU’s for I/O etc Configurable Digital I/O Configurable Analogue I/O Camera interface unit with diagnostic features Network Connections
34. Bar End Shape Acquisition Shape Camera Last RM Stand Square End Actual Profile Apparent Profile for Non-Stereoscopic Camera Stereoscopic Scan Compensates for “Ski-Tip” Lift
38. Crop Shear System Tracking Camera Shear FM #1 Pinch Rolls Bar Speed Camera Shape Camera Last RM Stand Main Electronics Cabinet CCD3030 Blade Position Drive Pinch Roll Speed (tails) Speed Reference Optional Width HMD Back-up
39. Bar End Shape Acquisition Stereo Camera Single Camera
49. Width Correction Uncorrected width Steel with lateral shape Corrected Straight line width Steel with lateral shape Uncorrected width Corrected arc width
50. Multi-Point Shape Measurement Stereo Camera Laser Multiple spot laser projector Multiple laser spots positions detected by stereo camera Nth order poly-line curve fit through detected points for shape and corrected width calculation. Strip edge position detected by traditional width gauge edge detection
54. System Architecture WinStrip MMI PC Real-time Operating System Width OPC Server Thermal OPC Server Width MMI Stereo CCD Camera Network communication PC
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