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Product Detail

Full Automatic Toroidal Core Winding Machine for CRGO Silicon Steel Transformer Wound Cores (Max. OD 250mm)

Engineered for transformer manufacturers, this advanced winding system automates the production of toroidal wound cores from CRGO electrical silicon steel (and permalloy). It integrates 5 servo motors and a Panasonic PLC full closed-loop system to execute clamping, fixing, pressing, winding, cutting, laser welding, and releasing—all non-stop.

Key Highlights:

Max. Core OD: 250mm | ID Range: 30–180mm | Strip Width: 10–100mm (Thickness: 0.12–0.50mm CRGO / 0.1–0.35mm Permalloy).
5-Servo Precision: Tracking cutting, strip cutting (≤0.5mm), spindle winding, flapping/ejecting, and clamping/feeding.
Laser Welding (200W): No damage to CRGO strip; carbide alloy blade for long life.
Ultimate Accuracy: Core ID/OD tolerance ±0.5mm; height evenness ±0.1mm.
High Efficiency: Spindle speed up to 3000rpm; motorized elevating worktable; auto decoiling (Max. reel 1000kg).
Smart Control: PLC HMI operation, full automation (feed → wind → cut → weld → release).

Achieve superior core quality and seamless production.

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Description

1. Overview

This full automatic toroidal transformer core winding machine is specially designed for winding toroidal wound cores from CRGO electrical silicon steel (and permalloy) with complete automation. It handles diverse core sizes and ensures high precision via full closed-loop control. The machine performs auto feeding, winding, cutting, laser welding, and releasing, significantly reducing labor while boosting consistency.

2. Key Technical Parameters

No.	Item	Data / Specification
1	Suitable Ribbon Width	10 – 100 mm
2	Suitable CRGO Ribbon Thickness	0.12 ~ 0.50 mm
3	Suitable Permalloy Ribbon Thickness	0.1 ~ 0.35 mm
4	Suitable Magnet Core ID	Min. 30 mm / Max. 180 mm
5	Max. Magnet Core OD	250 mm
6	Main Spindle Speed	Max. 3000 rpm
7	Magnet Core ID/OD Tolerance	±0.5 mm
8	Magnet Core Height Evenness	±0.1 mm
9	Laser Generator Power	200 W
10	Total Electric Power	6 kW
11	Max. Ribbon Reel Weight	1000 kg
12	Main Machine Dimension	~1950 × 850 × 1600 mm
13	Chiller Dimension	~700 × 500 × 800 mm
14	Laser Generator Dimension	~1200 × 700 × 1000 mm
15	Total Weight	~2200 kg

3. Core Advantages & Features

① 5-Servo Motor Drive System

Servo for cutting device tracking (non-stop operation).
Servo for cutting CRGO strips (max thickness 0.5mm, with reducer).
Servo for spindle winding (with reducer).
Servo for flapping & ejecting finished cores.
Servo for clamping & feeding strip to pin on spindle.
Ensures synchronized, high-speed, and precise movements.

② Panasonic PLC & Full Closed-Loop Control

All procedures—clamping, fixing, pressing, winding, cutting, welding, releasing—are managed by a Panasonic PLC with HMI touchscreen. Full closed-loop feedback guarantees repeatable accuracy and simple parameter adjustments.

③ Laser Welding & Premium Cutting

Equipped with a 200W laser generator for seamless welding without damaging the CRGO strip. Carbide alloy cutting blade offers extended service life. Auto decoiling system handles up to 1000kg reels.

④ Exceptional Precision & Surface Quality

Delivers core ID/OD tolerance of ±0.5mm and height evenness of ±0.1mm. Motorized elevating worktable and specialized water chiller maintain thermal stability and operational smoothness.

⑤ Fully Automated Production

From auto feeding to auto releasing, the machine requires minimal human intervention. Ideal for high-volume transformer core manufacturing with consistent quality.

4. Application Scope

Transformer Industry: Toroidal cores for distribution and instrument transformers.
Reactor Cores: Precision winding for inductive components.
Material Flexibility: CRGO silicon steel and permalloy strips.
Core Forms: Round toroidal cores (ID 30–180mm, OD ≤250mm).

→ Contact our engineering team for a detailed quotation, technical layout, or factory demonstration.

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