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Engineered specifically for transformer core lamination (CRGO/CRNO) and motor stator/rotor manufacturing, this fully automatic silicon steel slitting line delivers precision slitting of wide coils into narrow strips with controlled recoiling tension. The system features a high-rigidity slitter and recoiler with a main deflection ratio of 1/10,000 and Grade 4–5 precision tolerance, paired with a Delta PLC and imported speed regulators for seamless 0–120 m/min variable speed and full-line synchronization.

Key Highlights:

Micron-Level Accuracy: Cutting width tolerance of ±0.1mm, burr ≤0.02mm, and edge straightness ≤0.2mm/2m — ensuring optimal core stacking factor and magnetic performance.
High-Volume Output: Processes 0.18–0.35mm thickness, 200–1250mm width, up to 13 strips per pass, with a daily capacity of ~50T.
Smart Automation: Touchscreen HMI, automatic tension control, and synchronized uncoiling–slitting–recoiling for one-operator supervision.
Versatile Application: Ideal for transformer core laminations, electrical steel processing, packaging, and sheet metal industries.

Maximize your silicon steel processing efficiency and yield. The preferred solution for power transformer and electrical equipment manufacturers.

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Product Description

1. Product Overview

The Silicon Steel Strip Slitting Line is a fully integrated processing system designed to slit coiled electrical steel into precise narrow strips and re-coil them under controlled tension. Widely applied in transformer manufacturing, electrical lamination, packaging, and sheet metal industries, it combines high-rigidity mechanics with advanced PLC automation for unmatched precision and efficiency.

2. Key Performance Parameters

Parameter	Specification
Material	Silicon Electrical Steel (CRGO/CRNO)
Sheet Thickness	0.18 – 0.35 mm
Coil Width	200 – 1250 mm
Max. Coil Weight (Uncoiler)	10 T
Max. Coil Weight (Recoiler)	5 T
Inner Coil Diameter	Φ500 mm
Max. Coiling Diameter	Φ1200 mm
Slitting Speed	0 – 120 m/min (Adjustable)
Production Capacity	~50 T/Day
Slitting Numbers	Up to 13 strips
Min. Strip Width	40 mm
Max. Strip Width	1000 mm
Cutting Width Error	± 0.1 mm
Strip Edge Straightness	≤ 0.2 mm / 2 m
Cutting Burr	≤ 0.02 mm
Knife Diameter	φ125 mm (φ250 × φ125 × 8, 26 pcs)
Three-Point Knives	φ250 × φ125 × 90 (for 90mm material)
Main System Deflection	1/10,000
Precision Tolerance	Grade 4–5
Installed Power	Approx. 65 KW
Line Weight	Approx. 20 T
Overall Dimensions (L×W×H)	12.6 m × 6.5 m × 2 m

3. Core Advantages & Features

① High-Rigidity & Micron-Level Precision

The slitter and recoiler feature high-rigidity structures with main system deflection controlled at 1/10,000. Achieving Grade 4–5 precision tolerance, it guarantees ±0.1mm width accuracy, ≤0.02mm burr, and excellent edge straightness—critical for transformer core stacking factor and magnetic performance.

② Advanced Automation & Synchronization

Equipped with Delta GJIM PLC and touchscreen HMI for full-length logic control, speed display, and man-machine interaction. Imported speed governors enable manual single-action or automatic interlocking. Speed synchronizes across uncoiler, slitter, and recoiler for stable, burr-free slitting.

③ Complete System Composition

The line includes: Loading/Unloading Car, Uncoiler, Loop Pit Guide, Material Receiver, Movable Guide, Slitter, Middle Bridge, Tensioning Device, Recoiler, Hydraulic Station, Pneumatic System, and Electrical Control Cabinet. Rational layout ensures smooth material flow and easy operation.

④ Versatile & High-Efficiency Output

Handles 0.18–0.35mm silicon steel with up to 13 slits per pass (min. 40mm width). 120 m/min max speed and 50T/day capacity meet mass production demands. Suitable for transformer cores, electrical laminations, packaging, and building materials.

⑤ User-Friendly & Reliable

Touchscreen HMI provides real-time monitoring and parameter adjustment. Hydraulic/pneumatic actuation ensures stable tension. Safety and durability built for 24/7 operation.

4. Typical Applications

Industry	Application
Transformer Manufacturing	Core lamination strips (CRGO/CRNO)
Electrical Equipment	Motor stator/rotor laminations
Packaging & Building	Precision slit metal strips
Sheet Metal Processing	Custom width coil production

5. Quality Assurance & Ordering

Pre-Shipment Trial: Full slitting test with customer material to verify width accuracy, burr, and straightness.
Warranty: 12-month machine warranty, lifetime technical support.
Customization: Coil width, thickness range, slitting quantity, recoiler capacity tailored to your needs.
Required for Quote: Material type (silicon steel grade), thickness, width, coil weight, slitting width, production volume.

→ Contact our engineering team for a quotation, 3D layout, or technical datasheet.

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