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The YouYi Automation Products Center
All of YouYi's press automation solutions in one place.
Straightener/Leveling Machine
The FJS S-Type High-Speed Straightener is designed for precision coil leveling and synchronized feeding in high-speed stamping applications. Equipped with an S-type material guidance system, variable speed control, and photoelectric sensors, it automatically adjusts operating speed to match the press, ensuring stable material flow and continuous production. Ideal for silicon steel, motor stator and rotor laminations, and other high-speed precision stamping applications.
Material Width: 150–300 mm
Material Thickness: 0.3–1.5 mm
Straightening Speed: Up to 60 m/min
Product Characteristics
The FJS High-Speed Straightener is designed for precision coil leveling in high-speed stamping applications. It is particularly suitable for processing thin metal strips and silicon steel used in motor stator and rotor lamination production.
Designed with an advanced S-type material guidance structure, the machine provides a smooth and controlled material flow between the decoiler, straightener, feeder, and high-speed stamping press. This compact feeding arrangement helps reduce unnecessary material buffering while maintaining stable synchronization throughout the production process.
With precision leveling rollers and a responsive control system, the FJS High-Speed Straightener helps improve material flatness, feeding stability, and production efficiency in continuous stamping operations.
The FJS High-Speed Straightener adopts an S-type material guiding structure that allows the coil material to move smoothly through the production line.
Photoelectric sensors monitor the material loop and automatically detect underfeeding or overfeeding conditions. The system works together with variable frequency speed control to maintain stable material movement and synchronization with downstream feeding and stamping equipment.
Compared with conventional material buffering arrangements, the S-type design helps reduce the required loop space while supporting stable high-speed operation.
The machine is designed to operate together with double-shaft decoilers, high-speed feeders, and stamping presses.
Its control system allows the straightening speed to be adjusted according to the operating conditions of the complete coil feeding line. This makes the FJS High-Speed Straightener suitable for continuous high-speed production environments where stable material flow is essential.
Typical applications include:
Motor stator lamination stamping
Motor rotor lamination stamping
EI transformer lamination production
Silicon steel stamping
High-speed progressive die applications
The FJS High-Speed Straightener is equipped with precision-engineered leveling rollers designed for stable straightening performance.
Roller configuration:
Number of rollers: 15
Roller diameter: 32 mm
Roller material: High-quality bearing steel
Heat treatment hardness: Up to HRC 60
Surface treatment: Precision grinding and hard chrome plating
The precision roller system helps improve material flatness while reducing the risk of surface damage during continuous operation.
Stable synchronization is essential in high-speed stamping production.
The FJS High-Speed Straightener uses variable frequency speed control together with photoelectric sensing to automatically respond to changes in material movement. The system can be integrated with upstream and downstream equipment to maintain a stable material supply.
This configuration helps improve production continuity and reduce the risk of unstable material feeding caused by excessive or insufficient material buffering.
The FJS High-Speed Straightener is designed for integration into automated coil feeding lines.
When combined with a double-shaft decoiler and high-speed servo feeder, the machine can form a compact and efficient coil handling system for motor lamination stamping.
This configuration supports:
Continuous coil processing
Reduced material buffering requirements
Stable high-speed feeding
Faster coil changeovers
Improved automation
The FJS High-Speed Straightener is widely used in automated production lines for motor stator and rotor laminations.
A typical high-speed stamping line can include a dual-station decoiler, FJS High-Speed Straightener, high-speed servo feeder, and stamping press.
The decoiler provides continuous coil supply, while the straightener improves material flatness before the strip enters the feeder. The high-speed feeder then delivers the material accurately into the stamping press.
This coordinated production process is particularly suitable for silicon steel laminations used in electric motors, transformers, and other electrical components.
The system helps manufacturers achieve stable material handling during continuous stamping while supporting high-volume automated production.
Compared with conventional straightening machines, the FJS High-Speed Straightener is designed specifically for applications that require stable material control at higher production speeds.
Key advantages include:
S-type material guidance for smooth coil movement
Reduced material buffering space
Precision leveling rollers for improved flatness
Stable synchronization with high-speed feeding equipment
Suitable for silicon steel and motor lamination production
Easy integration into automated coil feeding lines
Designed for continuous high-speed stamping applications
For manufacturers producing motor stators, rotors, EI laminations, and other precision stamped electrical components, the FJS High-Speed Straightener provides a reliable solution for stable coil straightening and material handling.
What materials can the FJS High-Speed Straightener process?
The machine is suitable for thin metal strips and is particularly effective for silicon steel used in motor stator and rotor lamination stamping.
What material thickness can the machine handle?
The standard FJS High-Speed Straightener is designed for material thicknesses from 0.3 mm to 1.5 mm.
Can the FJS High-Speed Straightener be integrated into an automated coil feeding line?
Yes. It can be integrated with decoilers, high-speed servo feeders, and stamping presses to create a complete automated coil feeding system.
Why is an S-type material guidance system used?
The S-type material path helps create a smooth and controlled material flow while reducing the amount of space required for material buffering between machines.
Is the machine suitable for motor lamination stamping?
Yes. The FJS High-Speed Straightener is specifically designed for applications such as motor stator laminations, rotor laminations, EI laminations, and silicon steel stamping.
Technical Parameters
| Mode | FJS-150 | FJS-200 | FJS-00 |
| Feeding width mm | 150 | 200 | 300 |
| Feeding speed m/min | 60 | 60 | 60 |
| Speed mode | Frequency Conversion | ||
| Motor Kw | 0.75 | 1.1 | 1.1 |
| Feeding adjustment method | Automatic | ||
| Specification m | 1.1x1.5x0.5 | 1.1x1.5x0.5 | 1.1x1.45x0.5 |
| Weight kg | 1000 | 1100 | 1200 |
Application
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2-in-1 Decoiler & Leveling Machines with Servo Feeders: Enhancing Precision in 3C Industry Automation
Ready to streamline your production with reliable stamping automation solutions that boost efficiency, reduce downtime!
Related Products
GJ Type High precision straightener (Thickness: 0.0.5-0.6mm)
High-Precision Design: Engineered specifically for stamping medium-thin materials requiring micron-level accuracy.
SNL Type Single/Two stage Precision Straightener (Thickness: 0.1-0.6mm)
SNL Type Precision Straightener is designed for leveling thin coil materials from 0.1mm to 0.6mm. Available in single-stage and two-stage structures, it ensures high precision and surface protection for stainless steel, copper, and aluminum strips
HCL Type Heavy Duty Coil Straightener(Thickness: 1-6mm)
The leveling adjustment mechanism integrates a compact worm gear and worm wheel system, ensuring smooth torque transmission with reverse self-locking capability.
SFL Precision Straightener Machine for Thin Metal Sheets (0.2–1.2mm)
This series of straightening machine is specially designed to straighten thin stainless steel, copper sheet, iron sheet and aluminum sheet and other thin materials, which can achieve perfect leveling effect
FAQ
Q: How do I determine the right feeder size for my production line?
A: The feeder size depends on the material width, thickness, and feeding step distance required by your stamping press. Choosing the correct specifications ensures smooth operation and prevents feeding errors or misalignment.
Q: What factors should I consider when choosing a servo feeder machine?
A: When selecting a servo feeder, key factors include feeding accuracy (±0.05mm or better), maximum feeding speed (e.g., 20m/min), material compatibility (stainless steel, aluminum, etc.), load capacity, and control system (PLC or touchscreen). Ensure the machine matches your stamping process requirements.
Q: How do I choose the right decoiler, straightener and feeder?
A: Select based on material type, width, thickness, coil weight, and required speed. Match decoiler capacity to coil size, choose a straightener for material strength, and a feeder that meets feed length and precision. Ensure compatibility with your press and automation level.
Q: Coil feeder vs servo feeder: what’s the difference?
A: A coil feeder is a broader system for continuous coil feeding, often integrated with decoiler and straightener. A servo feeder uses servo motors for precise, programmable feeding, ideal for short pitches and high accuracy applications.
Q: How to choose decoiler capacity?
A: Select a decoiler rated 10–20% above your maximum coil weight. Confirm inner diameter (I.D.) compatibility and outer diameter limits. Adjustable mandrels are recommended if you run multiple coil sizes.
Q: What feed precision can I expect?
A: Servo feeders typically achieve ±0.01–0.05 mm, with high-end models reaching ±0.005 mm. Mechanical feeders usually provide ±0.02–0.1 mm. Actual accuracy depends on material properties and straightening quality.
Q: How does material affect machine selection?
A: High-strength materials need stronger straightening and drive systems. Thin materials require low-pressure handling. Soft materials like aluminum need anti-scratch solutions.
Q: What affects feeding accuracy most?
A: Key factors include feeder precision, servo tuning, straightener setup, material quality, and press stability. Poor setup or worn dies can reduce accuracy.
Q: What spare parts should be prepared?
A: Common spares include bearings, belts, sensors, seals, guide blocks, and lubrication parts. Keeping key components reduces downtime and improves maintenance efficiency.
Q: Can feeders be retrofitted to existing presses?
A: Yes, most systems support retrofitting. Check press dimensions, feed height, control compatibility, and safety requirements before installation.
Q: How long does it take to receive the feeder machine after placing an order?
A: Lead time for delivery typically ranges from 4 to 8 weeks depending on customization, production schedules, and shipping location. Once your order is confirmed, we will provide a more precise delivery estimate.
Q: What are your payment terms?
A: We accepts T/T payment, 30% deposit and 70% balance before shipping
Q: How often should I perform maintenance on my servo feeder machine?
A: Routine maintenance should be conducted weekly for basic cleaning and lubrication, while a more thorough inspection should be done monthly to check for wear on rollers, belts, and electrical components. A full servicing is recommended every 6-12 months depending on usage intensity.
Q: What are the most common issues with feeder machines, and how can I troubleshoot them?
A: Common issues include misalignment, inconsistent feeding accuracy, or motor failure. Check for loose bolts, dirt buildup, or software calibration errors. If problems persist, refer to the user manual or contact technical support.
Q: Do you provide on-site repair services if my machine breaks down?
A: Yes, we offer on-site repair services for major issues, along with remote troubleshooting support for minor problems. For urgent cases, we can dispatch a technician within 24-48 hours, depending on your location.
Q: What is the maintenance cycle?
A: Daily cleaning and inspection; weekly check belts, air lines; monthly inspect bearings and guides; yearly replace worn parts. Adjust frequency based on operating hours and workload.
Q: What's the package of your coil feeding machines?
A: For the coil feeding equipment that go LCL shipping, We will use plastic films wrap on the equiment, and then fix it into a wooden box.
For the large coil lines that go FCL shipment, We will fix each part with ropes on the shipping container and then wrapped them with plastic films.
Q: What is the typical lead time?
A: Standard machines usually take 4–8 weeks. Customized systems or full production lines may require 10–20+ weeks depending on complexity and production schedule.
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