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Shijiazhuang Faith Machinery Co.,Ltd specializes in supplying complete Cold Rolled Strip Slitting Lines that address the demanding requirements of steel service centers, appliance manufacturers, and precision component producers. A typical line integrates coil handling, strip leveling, slitting, and recoiling into a seamless workflow, ensuring that each slit coil meets tight dimensional tolerances and surface quality standards required for downstream processes.
The process begins with a hydraulic decoiler equipped with an expanding mandrel to secure coil inner diameters from 508 mm to 610 mm. A powered coil car places the coil onto the decoiler automatically, reducing manual labor and improving safety. From there, the strip enters a multi-bar tension leveler: closely spaced rolls correct residual curvature, camber, and yield stress from the coil, producing a flat strip with uniform mechanical properties across its width.
Next, the strip advances into the slitting section, where precision rotary knives mounted on hardened shafts shear the strip into narrow widths. Knife holders on linear guideways enable swift lateral adjustments, and quick-release mechanisms allow tool changes in under 30 minutes. Load-cell feedback measures slitting torque continuously; the PLC uses this data to adjust knife gap settings dynamically, maintaining consistent edge quality and reducing burr formation. Upstream and downstream tension arms, governed by closed-loop controls, keep strip tension within ±5 % of the setpoint to prevent edge deformation.
Recoilers at the line exit wind the slit strips into concentric coils, with servo-driven traverse guides ensuring even layering. Variable-frequency drives synchronize coil buildup with strip feed speed, preserving coil integrity and minimizing telescoping. Integrated edge trim conveyors collect scrap, while servo-powered choppers segment it into uniform lengths for straightforward recycling.
Shijiazhuang Faith Machinery backs each line with turnkey installation, commissioning assistance, and thorough operator training. Preventive maintenance contracts include scheduled inspections of knife shafts, bearings, and hydraulic systems, and a dedicated spare parts program ensures prompt delivery of consumables. This full-spectrum support helps clients maintain high line availability and consistent slit coil quality over the equipment’s service life.
