Zhongtuo Steel Coil Edge Protector Ring Making Machine ID & OD Forming Line

Steel Coil Edge Protector Ring Making Machine

Automatic ID & OD Coil Edge Protection Forming Machine

In steel coil transportation and storage, edge damage is one of the most common causes of quality claims. Inner and outer edges are especially vulnerable to impact, friction, and deformation during handling.
The Steel Coil Edge Protector Ring Making Machine is engineered to solve this problem by producing high-strength ID (Inner Diameter) and OD (Outer Diameter) metal edge protector rings with stable forming accuracy and reliable productivity.

Designed for steel mills, service centers, and coil packaging lines, this machine ensures consistent edge protection while reducing labor cost and packaging risks.

What This Machine Produces

This production line is designed for both inner and outer coil edge protector rings, offering flexible size adjustment for different coil specifications.

Inner Diameter (ID) Edge Protector Rings

• Suitable Coil ID: 406 / 508 / 610 / 760 mm (customizable)
• Material Thickness: 0.7 – 2.0 mm (up to 3.0 mm on request)
• Standard Leg Design: 40 mm + 110 mm
• Designed for firm inner edge support and impact resistance

Outer Diameter (OD) Edge Protector Rings

• Diameter Range: 700 – 2000 mm
• Material Type: CR soft steel / GI soft steel/aluminum
• Standard Leg Design: 80 mm corrugated leg + 120 mm straight leg
• Thickness Range: 0.7 – 1.2 mm (heavy-duty versions optional)
• 

Optional online punching improves strapping and fixing performance during coil packaging.

The Steel Coil Edge Protector Ring Making Machine integrates multiple functions into one continuous line:

1. Coil feeding and guiding
2. Online hydraulic punching (optional)
3. Precision roll forming
4. Angle bending and rib pressing
5. Automatic rounding and coiling
6. Hydraulic cutting
7. Finished ring discharge

This integrated design ensures smooth production flow and consistent ring quality.

Key Technical Specifications of Machine

Punching & Cutting System

• Punching Type: Hydraulic punching
• Hole Diameter: 10 mm
• Hole Spacing: Adjustable 100–350 mm (or 300–600 mm ±20 mm based on configuration)
• Cutting Method: Hydraulic cutting
• Blade Material: Cr12MoV

• 

Punching and cutting are synchronized with forming, allowing continuous production without stopping.

Structural & Mechanical Advantages

• Heavy-Duty Machine Frame
  Welded with 12# channel steel and a precision-machined worktable for long-term stability
• High-Strength Forming Rolls
  Cr12MoV material ensures wear resistance and dimensional accuracy
• Adjustable Rounding System
  Diameter controlled via scale marking for fast size changeover
• User-Friendly PLC Operation
  One-button switching between ID and OD ring modes
• Low Maintenance Design
  Simple mechanical structure, easy daily servicing

Application Industries

• Steel mills and coil packaging lines
• Steel service centers
• Aluminum and copper coil manufacturers
• Logistics and warehousing systems
• Export-oriented coil transportation

Why Choose Zhongtuo Edge Protector Machine?

✔ One machine for both ID & OD rings
✔ Stable performance for long-hour operation
✔ Flexible customization for thickness and diameter
✔ Reliable hydraulic punching and cutting
✔ Manufacturer direct supply with technical support

Get a Customized Solution

To receive a technical proposal and quotation, please provide:

• Required ring type: ID / OD / both
• Material thickness
• Diameter range
• Expected production capacity

Our engineering team will configure the most suitable solution for your packaging line.