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Straightener Machine JM3 (0.3-1.5mm)

The JM3 precision sheet straightener is an advanced coil leveling machine designed for a wide range of metal processing needs. Featuring a precision gear drive for smooth roller transmission, it ensures stable, high-quality performance.

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  • Straightener Machine JM3 (0.3-1.5mm)
  • Straightener Machine JM3 (0.3-1.5mm)
  • Straightener Machine JM3 (0.3-1.5mm)
Product Detail

Straightener Machine (0.3-1.5mm)

Our precision sheet straightener is an advanced straightener machine designed for a wide range of metal processing needs. Featuring a precision gear drive for smooth roller transmission, this coil straightener machine ensures stable, high-quality performance. Ideal for thin material straightening, it delivers exceptional results for coil thicknesses from 0.3mm to 1.5mm.


User-friendly straightener machine operation

User-Friendly Coil Straightening

Designed for all types of metal coil automatic straightening, simple and user-friendly.

Coil straightener machine versatile industrial applications

Versatile Industrial Applications

Ideal for continuous pressing and straightening of metal parts, electronics, appliances, toys, and auto components.

Automatic straightening machine premium rectifying rollers

Premium Rectifying Rollers

Rectifying rollers are crafted from solid bearing steel, heat-treated, precision-ground, and hard-chrome plated.


Sheet straightener machine inverter speed adjustment

Inverter Speed Adjustment

Equipped with an inverter for easy variable decoiling speed adjustment.

Metal straightener machine manual and automatic modes

Manual & Automatic Modes

Supports manual and automatic modes—manual for trial runs and reverse feeding, automatic for synchronized production.

Straightener machine rigid high-speed efficiency

Rigid High-Speed Efficiency

Features a rigid structure, high power output, and stable high-speed feeding for improved efficiency and extended equipment life.


Applicable Material

✓ Raw Material Type: Galvanized Steel, Stainless Steel, CR Steel, HR Steel, Aluminum, Copper, etc.
✓ Applications: Pressing line / Metal stamping line
✓ Applicable Coil Width: 5-600 mm
✓ Applicable Coil Thickness: 0.3-1.5 mm
✓ Speed: 15 m/min


Brief Profile of Straightener Machine

Straightener machine overview for thin materials

As a highly efficient automatic straightening machine, its leveling rollers use independent transmission, with an auxiliary roller to flexibly adjust material bending as required.
Engraved scale roll adjustment replaces traditional dial indicators—no extra correction needed.
This sheet straightener machine is equipped with 20 high-quality GCr15 straightener rolls (HRC60±2) for superior hardness and wear resistance.
Features a Delta inverter for precise speed control, making it a reliable metal straightener machine for continuous production.


Specification of Straightener Machine

ModelJM3-200AJM3-300AJM3-400AJM3-500AJM3-600A
Width200300400500600
Thickness0.3 ～ 1.5
Leveling Rollers￠32 × 20 Rollers (Top 10 / Bottom 10), Discharge Rollers Adjustable
Motor11223
Gearbox1 : 30
Transmission MethodChain & Precision Gear Transmission
AdjustmentFour-Point Type
Discharge Speed0～16 m/min, Variable Frequency Drive (VFD)
Start/StopInductive Rod / Contact Control
Discharge DirectionLeft ←→ Right
Power VoltageAC 220V/380V


Application of Straightener Machine

Uncoiler machine for straightener machine line

Uncoiler Machine

Load and unwind metal coils.

Coil straightener machine for coil leveling

High-Precision Straightener

Level strips and guide them to the feeder.

NC servo feeder for automatic straightening machine line

NC Servo Feeder

Feed the coil accurately into the press.

Power press with metal straightener machine line

Power Press with Moulds

Stamp and form the final product.


Straightener Machine FAQ

Q: What materials are suitable for processing?
A: It is mainly used for medium and thin sheet materials with a thickness of 0.3–1.5mm, such as cold-rolled steel, stainless steel, aluminum sheets, and other metal materials.
Q: What are the specifications of the straightening rollers?
A: It is equipped with Φ32×20 straightening rollers. The upper rollers are designed with auxiliary support rollers, allowing adjustment according to the bending direction of the material for better straightening performance.
Q: What material conditions can it improve?
A: It can remove coil curvature and release internal stress, improving material flatness for subsequent processing or cutting operations.
Q: How is the speed controlled?
A: It adopts variable frequency control, allowing flexible adjustment of feeding speed to ensure stable material operation.
Q: Is the operation complicated?
A: No. The machine is easy to operate, and material straightening can be completed through roller adjustment and frequency speed control.
Q: Will it damage the material surface?
A: The straightening process is smooth and uniform, minimizing impact on the material surface.
Q: Are there any material size requirements?
A: It is suitable for medium and thin sheet materials. The applicable width depends on the selected machine model, while material length is not limited, making it suitable for continuous coil processing.
Q: Is it suitable for continuous production?
A: Yes. It can operate continuously while maintaining stable straightening accuracy.
Q: How to choose the right model?
A: The suitable model should be selected according to material thickness, width, and required straightening precision, including roller quantity and specifications.
Q: Is roller adjustment difficult?
A: No. The adjustment scale is clear and easy to operate, allowing quick setup for different materials.
Q: What are the main features of the equipment?
A: It features larger roller diameter, multiple roller design, flexible adjustment, smooth material feeding, and high straightening accuracy.
Q: What is the main value of using a Precision Straightener?
A: It improves material flatness and consistency, reduces processing stress, and provides high-quality materials for downstream production processes.
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Phone:0086-18932396111

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