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Double Shear Double Punch Silicon Steel Cut-to-Length Line
High-Precision Transformer Core Lamination Production Machine
The JY-300 Double Shear Double Punch Cut-to-Length Line is a fully automatic production solution designed for high-precision processing of silicon steel coils into transformer core laminations. It integrates feeding, punching, notching, shearing, sorting, and stacking into one continuous operation, making it ideal for modern transformer manufacturers seeking efficiency, accuracy, and automation.
Product Overview
This advanced silicon steel processing line is engineered to produce:
Step-lap transformer core laminations
Full miter and half miter joints
Straight joint transformer sheets
By combining V-notch punching, hole punching, and double angle shearing, the system ensures precise geometry and consistent output quality for transformer core assembly.
Key Features
1. Fully Automatic Servo Control System
Equipped with Delta PLC + Servo Motors
Touchscreen HMI for easy operation
High-speed response with precise positioning
Stable and low-noise operation
2. Double Shear + Double Punch Design
1 × V-notch punching unit
1 × hole punching unit
2 × angle shearing units (45° & 135°)
This configuration enables continuous multi-process production, improving efficiency and reducing manual intervention.
3. High Precision Processing
Length tolerance: ±0.2 mm/m
Angle accuracy: ±0.1°
Burr control: ≤0.02 mm
Ensures tight assembly of transformer cores and minimizes magnetic loss.
4. Wide Processing Range
Thickness: 0.18 – 0.35 mm
Width: 40 – 310 mm
Length: 350 – 2500 mm
Hole diameter: 10 – 24 mm
Suitable for various transformer core sizes and designs.
5. High Production Efficiency
Speed: up to 60 pieces/min
Continuous feeding and cutting
Automated stacking and sorting system
Main Components
Hydraulic Decoiler
Inclined Feeding Guide System
Servo Feeding & Length Measuring Unit
V-Notch Punching Machine
Hole Punching Machine
Double Angle Shearing System
Conveyor with Edge Positioning
Automatic Stacking & Sorting Unit
Full-Line Auto Width Adjustment System
Pneumatic System (AirTAC)
Electrical Control System (Delta + Schneider)
