RSA - Roll Spalling Alarm and Quick Stop System

Process Data Acquisition – CHPDA -- Detailed analysis of quality manage&industrial big data sources		高速数采方案 High speed data acquisition scheme	系统 System	Contact us
1 Background and significance	12 HDC - Hot rolled high-frequency high-density Digital steel Coil
2 PDA - data acquisition and analysis system	13 CDC - Cold rolled Digital steel Coil
3 LTA - Long historical Trend Analysis system	14 DSP - Digital Steel Plate
4 HDS - open time series high frequency Historical database	15 DTP - Digital Steel Pipe
5 DBU - Database system and Upgrade tools	16 CDS - Continuous casting Digital Slab
6 DCC - Digital Coil Conversion and full process quality management	17 TDA - Typical high-speed Data Acquisition scheme
7 CFS - Coil Fast Search and statistics system	18 QMS - Quality Manage and analysis System
8 DSO - Device diagnostic Synchronous Oversampling system	19 Common debugging tools and development board
9 RSA - Roll Spalling Alarm and Quick Stop System	20 Project performance and typical project application
10 RCM - Roller Current Monitoring system	21 Research Form for PDA System Configuration in the Steel Industry
11 HDP - High frequency density and speed Data Platform construction

9 RSA - Roll Spalling Alarm and Quick Stop System

During the rolling production process of the rolling mill, the rollers are in a complex stress state. The periodic thermal stress caused by contact heating between the rollers and the rolled piece, water cooling of the rollers, contact stress caused by rolling load, shear stress, and residual stress, etc., such as unreasonable material selection, design, manufacturing process, or local heating caused by steel sticking during rolling, can easily cause roller failure. Roll peeling is the primary form of roller failure.

Based on the characteristics of the process data before roll peeling, the Roll Spalling Alarm and Rapid Stop System can issue warning and rapid stop signals. At this time, only the roll needs to be pulled out for inspection normally to avoid the impact of complete roll peeling on other systems and long-term fault handling.

Figure 9.1 Roll spalling form

Figure 9.2 Block Diagram of Roll Peeling Warning and Quick Stop System

Apparatus test&Fault diagnosis&Quality analysis

Millisecond data sampling

Real-time data compression

Capture signal instantaneous mutation

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