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HomeStraightenerS-Loop Precision Straightener JM3S (0.35-1.0mm)

S-Loop Precision Straightener JM3S (0.35-1.0mm)

S loop high-speed straightener is primarily used in conjunction with high-speed presses. It consists of the leveling head, motor, S-type feeding track, and photoelectric switches on both sides of the track.

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  • S-Loop Precision Straightener JM3S (0.35-1.0mm)
  • S-Loop Precision Straightener JM3S (0.35-1.0mm)
  • S-Loop Precision Straightener JM3S (0.35-1.0mm)
Product Detail

Precision S Loop Straightener (0.35-1.0mm)

The s loop straightener is a high-precision high speed straightener primarily used in conjunction with high-speed presses. It consists of the leveling head, motor, S-type feeding track, and photoelectric switches on both sides of the track. Its unique structural design enables it to achieve synchronized production with the high-speed press.


S loop straightener hard-chrome plated steel rollers

Hard-Chrome Plated Steel Rollers

Solid bearing steel rectifying rollers, plated with hard chromium after heat treatment.

S loop straightener infrared synchronization for high-speed feeding

Infrared S-Loop Synchronization

S-loop design with infrared sensors for high-speed feeder synchronization.

Silicon steel straightener standalone or feeder-ready configuration

Standalone or Feeder-Ready

Can operate independently or with MT/SMT automatic feeders for enhanced performance.

High speed leveling machine rigid high-efficiency structure

Rigid High-Efficiency Performance

High rigidity structure, powerful output, and stable feeding improve efficiency and extend equipment lifespan.


Applicable Material

✓ Raw Material Type: Silicon Steel Sheet, Stainless Steel Sheet, Carbon Steel, etc.
✓ Applicable Coil Width: 5-400 mm
✓ Applicable Coil Thickness: 0.35-1.0 mm
✓ Speed: 60 m/min
✓ Applications: Pressing line / Metal stamping line
✓ Ideal for: High-speed stator & rotor and EI lamination stamping lines


Brief Profile of S Loop Straightener

S loop straightener machine overview for silicon steel

As an advanced silicon steel straightener, it is designed to level metal coil materials before feeding them into a stamping machine. It effectively eliminates material stress and corrects bends or distortion, ensuring consistent, high-quality parts. With a speed of up to 60 m/min, this high speed leveling machine enhances productivity in high-speed stamping operations, especially when used with a double-head decoiler, high-speed gear machine, and H-frame press machine. Ideal for motor rotor and stator lamination stamping, the S-loop offers:
1. High Speed: Boosts production with fast operation.
2. Precision Straightening: Ensures uniform, high-quality output.
3. Stress Elimination: Improves material quality by relieving stress.
4. Versatility: Handles various metal coil materials.
The system optimizes stamping operations, improving both speed and product quality for diverse industrial applications.


Specification of S Loop Straightener

ModelJM3S-200JM3S-300JM3S-400
Width200300400
Thickness0.35 ~ 1.0
Leveling Rollers¢32 × 15 Rollers (Top 7 / Bottom 8)
Motor112
Gearbox1 : 20
Transmission MethodChain & Precision Gear Transmission
AdjustmentFour-Point Type
Discharge Speed0-60 m/min
Speed Control2 Sets of Photoelectric Switches + Inverter
Discharge DirectionLeft → Right
Power VoltageAC 220V/380V


Application of S Loop Straightener

Our S-loop lamination straightener is specifically designed for stator, rotor, and EI lamination stamping lines. It plays a crucial role in the metal sheet stamping process, ensuring precise material handling and high-quality finished products.


Double-head decoiler for s loop straightener line

Double-Head Decoiler Machine

Loads and uncoils the metal coil.

S loop straightener for precise silicon steel leveling

High-Speed S-Loop Straightener

Levels the metal strips for uniformity.

High-speed cam feeder for silicon steel straightener line

High-Speed Cam Feeder

Feeds the strip into the press machine.

High-speed press for lamination straightener stamping

High-Speed Press Machine with Molds

Stamps the metal into the final product.


S Loop Straightener FAQ

Q: What materials is the S-Loop Straightener suitable for?
A: It is designed for precision sheet materials such as silicon steel sheets with a thickness range of 0.35–1.0mm.
Q: What is the straightening roller configuration?
A: It adopts a Φ32 × 15 roller structure, arranged with 7 upper rollers and 8 lower rollers.
Q: What products is it mainly used for?
A: It is mainly used for straightening raw materials such as transformer EI laminations, motor stator and rotor laminations, and silicon steel sheets.
Q: What is the straightening speed?
A: The straightening speed can reach up to 60 m/min, providing stable high-speed performance for large-volume stamping preparation.
Q: What type of speed control does it use?
A: It adopts variable frequency speed control combined with dual photoelectric sensors, allowing flexible synchronization with production requirements.
Q: Is the adjustment process convenient?
A: Yes. It features a four-point vertical fine adjustment system, allowing quick and precise control of straightening pressure and direction.
Q: Will it affect the material surface?
A: No. The straightening process applies uniform and gentle pressure, preventing scratches or damage to the material surface.
Q: Is it suitable for high-speed continuous stamping?
A: Yes. It is highly suitable for high-speed production lines while maintaining consistent straightening performance.
Q: What is the main purpose of using this machine?
A: It removes internal stress from silicon steel sheets, improving stamping accuracy and stability in subsequent processes.
Q: Is daily operation easy?
A: Yes. The machine is user-friendly and operators can quickly master the operation after basic training.
Q: Which industries commonly use the S-Loop Straightener?
A: It is widely used in motor manufacturing, transformer production, and precision electronic component industries.
Q: How does it ensure stable high-speed operation?
A: The combination of variable frequency control and photoelectric detection ensures smooth and stable material feeding into the straightening rollers.
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