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Shijiazhuang Faith Machinery Co.,Ltd’s Steel Coil Slitting Line is engineered to process high-strength carbon steel and alloy strips into accurately slit coils for subsequent fabrication processes. Emphasizing durability, precision, and ease of operation, this line caters to applications in heavy machinery fabrication, construction component production, and steel service centers.
Coil Yard and Decoiling
Automated coil cars deliver coils to expansion‐mandrel decoilers rated up to 30 tons.
Strip is fed through pinch rolls into the tension leveling stand.
Leveling and Tension Control
Hydraulic levelers with multiple flat and crowned rolls correct camber and residual stresses in thick steel strip.
Load cells upstream and downstream ensure stable tension profiles throughout slitting.
Slitting Section
Heavy-duty knife shafts accommodate thick knives for strip gauges up to 10 mm.
Knife gap modulation systems use real-time torque feedback to optimize edge quality and reduce burr formation.
Recoiling and Coil Transfer
Disc‐type recoilers with dynamic braking maintain tight rewind tension for uniform coil build.
Automated coil classifiers and transfer cars move finished coils to storage or downstream processing.
Laser Edge Guides: Non‐contact laser sensors position each slit strip precisely on the recoiler, preventing coil telescoping and edge folding.
Guarding and Light Curtains: Safety interlocks and protective barriers around the slitting station safeguard personnel during operation.
Automatic Shutdown: Overload and overtravel sensors trigger controlled line stops to prevent damage to equipment or strip material.
Material Grades: Configurable for high-strength low-alloy steels (HSLA), dual-phase steels, and quenched‐and-tempered grades with minor adjustments to leveling roll pressures.
Slit Widths: Typical slit widths range from 20 mm to 1,200 mm; optional narrow-slitting units enable widths down to 5 mm for specialty applications.
Line Speeds: Standard throughput up to 100 m/min for heavy gauges; higher speeds available with dual slitting frames and upgraded drive packages.
Central PLC Platform: Manages decoiler, leveler, slitter, and recoiler axes, coordinated over an industrial Ethernet network.
HMI Recipe Library: Operators select material grade, strip thickness, and slit pattern; the system automatically configures line parameters.
Data Acquisition: All key production metrics—tension, knife torque, line speed—are logged for quality control and continuous improvement initiatives.
Shijiazhuang Faith Machinery Co.,Ltd supports the Steel Coil Slitting Line with full installation services, commissioning support, and operator certification programs. Spare parts agreements and preventive maintenance plans ensure the line remains productive and reliable over its operational lifespan. Through tailored engineering and dedicated service, the Steel Coil Slitting Line enables manufacturers to achieve high yield, consistent slit quality, and efficient coil handling.
