Main low voltage electrical components: Schneider / OMRON<br>PLC programmable controller<br>Touch screen (LCD<br>Upper and lower rollers: material 42CrMo alloy steel precision forging tempering<br>Down pressure oil cylinder: 45 steel quenching and tempering treatment, fine boring of inner hole; 45 steel quenching and tempering treatment of piston rod<br>Main seal ring of oil cylinder: Japan NOK<br>Upper roller bearing: large double row self-aligning rolling bearing<br>Lower roller bearing: oil free self-lubricating sliding bearing<br>Lower roll drive reducer<br>Main motor<br>Hydraulic motor<br>Lower roll horizontal moving motor<br>Hydraulic system<br>
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