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HOME >> PRODUCTS >>Coil Loading & Uncoil >> CNC 3-in-1 Decoiler Straightener Feeder & Precision Leveling Machine | Automatic Coil Feeding & Sheet Metal Flattening System
Product Detail

CNC 3-in-1 Decoiler Straightener Feeder & Precision Leveling Machine | Automatic Coil Feeding & Sheet Metal Flattening System

This advanced system combines a decoiler, precision straightener, and servo feeder into a single automated line. Designed for the electrical and transformer industry, it handles mild steel, stainless steel, aluminum, and copper coils with exceptional flatness. The machine offers various configurations: precision leveling (open type), simple precision, and thin plate models to match diverse material needs. Equipped with a hydraulic power pack, chrome-plated rollers, and an independent control cabinet, it ensures ±0.1mm feeding accuracy and superior surface quality for stamping and punching lines.

Key Highlights:

  • 3-in-1 Integration: Decoiling + Leveling + Feeding, saving floor space.

  • Precision Leveling: Multi-roller design (4-up/5-down or 3-up/4-down) for stress relief.

  • Versatile Configurations: Open type, simple, thin plate (precision) models available.

  • Smart Control: Independent PLC/HMI cabinet for auto operation and recipe storage.

  • Heavy-Duty Build: Welded frame, hydraulic expansion, pneumatic clamping.


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Product Description

1. Core Advantages & Features

① Multi-Roller Precision Leveling

Utilizes upper/lower rolls (commonly 4-over-5 or 3-over-4) to extrude and flatten metal strips, eliminating curl and internal stress. Suitable for precision thin plates and heavy sheets. Fine adjustment handle/digital display ensures exact thickness control.

② Automated 3-in-1 Design

Integrates uncoiling, straightening, and feeding. Hydraulic mandrel expansion for coil loading, pneumatic pinch rollers for stable gripping, and servo motor for precise feed length. Front/rear transfer rollers protect material surface.

③ Customizable for Electrical Industry

Critical for transformer core (silicon steel) laminations, busbar punching, and switchgear panels. Ensures flatness before stamping, reducing die wear and scrap rate. Compatible with mechanical/hydraulic presses.

④ Robust Control & Hydraulics

Independent control cabinet with touchscreen HMI. Stores 100+ product data. Auto start, heating (optional), pressure, and speed settings. Hydraulic power pack (5.5–7.5KW) with automatic valve flow control.

2. Key Technical Parameters (Reference / Customizable)

Parameter

Specification (Typical Range)

Machine Type

3-in-1 Decoiler + Precision Leveler + Servo Feeder

Material

Steel, Stainless Steel, Aluminum, Copper, Silicon Steel

Material Width

200 – 1600 mm (Customizable)

Material Thickness

0.2 – 6.0 mm (Depends on model)

Max. Coil Weight

3000 – 10000 kg

Max. Coil OD

1200 – 1800 mm

Roll Arrangement

4-Up / 5-Down (or 3-Up / 4-Down)

Roll Diameter

Ø40 – Ø120 mm (Chrome Plated, Hardened)

Feeding Accuracy

±0.1 mm

Feeding Speed

0 – 20 m/min (Servo Adjustable)

Leveling Adjustment

Manual Handle + Digital Gap Display (Optional NC)

Main Motor

3.7 – 11 kW (Leveling) + Servo (Feeding)

Hydraulic Power

5.5 – 7.5 KW (Expansion & Clamping)

Control System

PLC + HMI Touchscreen (Independent Cabinet)

Application

Transformer Laminations, Busbars, Electrical Panels

3. Product Classifications (Model Selection)

Type

Feature

Best For

Precision Leveling (Open Type)

Easy access, open design

Medium thickness, frequent changeover

Precision Material Leveler

Standard multi-roller

General stamping lines

Simple Precision Leveler

Cost-effective, basic

Low-volume production

Precision Thin Plate Leveler

Extra fine rolls, high precision

Thin sheets (<1mm), surface critical

4. Application Scope

  • Transformer Industry: Silicon steel sheet straightening, core lamination prep.

  • Busbar Processing: Pre-leveling before punching/bending.

  • Switchgear & Enclosures: Flat sheets for electrical cabinets.

  • General Stamping: Pre-straightening for press lines (automotive, hardware).

5. Manufacturer & Service (YIBO Machinery)

  • Experience: 23+ years, ISO9001:2020, CE/SGS/BV certified. Top 3 in Chinese electrical equipment, 85%+ market share.

  • Clients: CASC, CRRC, ABB, DELIXI, EATON, RITZ, TENGEN, Russia Military Enterprise.

  • Warranty: 12 months (from Acceptance Report, max 14 months from delivery).

  • Delivery: ~90 working days after advance.

  • Payment: L/C, T/T, Western Union.

  • Support: Optional overseas installation & training, 24-hour response, video guidance.

→ Contact our engineering team for custom width/thickness specifications, model selection, or factory demonstration.


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