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All of YouYi's press automation solutions in one place.
News
Differences Between 2-in-1 Uncoiler Leveling Line and 3-in-1 Coil Feeder in Stamping Operations
August 02, 2025
In the field of metal stamping automation, 2-in-1 uncoiler leveler lines and 3-in-1 coil feeders are two commonly used coil feeding solutions. Each system integrates key functions suited for different production requirements. This article compares their structure, functionality, and operating differences to help manufacturers select the most suitable option.
The 2-in-1 uncoiler leveler line typically consists of a combined uncoiler & straightener machine and a separate NC servo feeder. It performs uncoiling and leveling of coil materials, while feeding is handled by a standalone servo feeder.
Uncoiler: Unwinds the coil material and feeds it forward.
Leveler: Straightens the material, eliminating warping and tension defects.
Feeder (separate): Pushes material accurately into the stamping press based on pre-set pitch values.
The 3-in-1 coil feeder integrates uncoiling, leveling, and feeding functions into one machine. It automatically unwinds, flattens, and feeds coil material directly into the press—streamlining the entire workflow with minimal manual involvement.
2-in-1 Line: Requires manual loading and separate setup for each component. Operators need to adjust the coil holder, pressure arm, and guide rollers, as well as configure the standalone feeder.
3-in-1 Coil Feeder: Simplifies setup via touch screen. Operators input coil parameters (e.g., feed length, speed), and the machine handles alignment, threading, and positioning automatically.
2-in-1 Line: Involves more manual steps, especially during coil threading and alignment. Extra floor space is also required to bridge gaps between the uncoiler, leveler, and feeder.
3-in-1 Coil Feeder: Offers greater user-friendliness with centralized control, compact footprint, and seamless integration of functions—ideal for streamlined production lines.
2-in-1 Line: Semi-automated. Operators still need to assist during coil replacement or troubleshooting.
3-in-1 Coil Feeder: Fully automated. Once parameters are set, it manages the full feeding cycle without further manual intervention—enhancing productivity and consistency.
Suitable for small to medium-scale stamping operations.
Ideal for electronics, appliances, or small parts industries.
Offers flexibility for frequent coil material changes.
Designed for high-volume, high-efficiency production.
Preferred in automotive, appliance, or large metal parts manufacturing.
Handles wider and thicker coils with greater precision and automation.
When selecting between the two systems, consider:
Your material specifications (width, thickness)
Required level of automation
Production volume and efficiency goals
Available factory space and budget
For high-speed, precision, and large-batch operations, the 3-in-1 coil feeder is the optimal choice.
For flexibility, lower cost, and ease of coil switching, the 2-in-1 uncoiler leveler provides a practical solution.
Dongguan Youyi Precision Automation Equipment Co., Ltd. specializes in the development, manufacturing, and service of press peripheral automation equipment. We provide full-cycle solutions from technical consultation and equipment selection to production, installation, and training. Whether you're seeking efficiency upgrades or tailored automation systems, Youyi is your trusted partner in coil handling and stamping solutions.
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