SHFJ-C Shaftless Rewinder

1. Dual Shaftless Hydraulic Structure: Maximized Roll-Changing Efficiency

Features a dual shaftless design with hydraulic unwinding and rewinding; eliminates the need for manual shaft insertion and simplifies clamping, drastically reducing roll-change times and operator fatigue. Ensures secure clamping and stable load-bearing capacity, accommodating large-diameter rolls and easily meeting continuous production demands.

2. Intelligent Edge-Trimming System: Enhanced Finished Product Quality

Equipped with a high-precision trimming mechanism to accurately trim roll edges, removing burrs and irregularities for flat end faces and tight, uniform roll structures. Includes an automatic waste removal system powered by a high-pressure blower for real-time scrap clearance, ensuring smoother production.

3. Full-Servo Constant Tension Control: Uniform Rewinding

Utilizes a full-servo drive system combined with automatic constant tension control; ensures smooth acceleration and deceleration without impact, maintaining consistent winding tightness. Effectively prevents wrinkling or stretching deformation, making it ideal for materials of varying thicknesses.

4. Intelligent PLC Control: Effortless Automation

Features a Siemens PLC intelligent control system integrating functions such as automatic length counting, alarms/stops for material depletion, preset length stops, and adjustable forward/reverse rotation. Offers fully automated management, simple operation, and stable performance, reducing the need for manual intervention and boosting productivity.

5. High-Sensitivity Automatic Edge Guiding: Stable Operation

Equipped with a high-sensitivity imported photoelectric automatic edge-guiding system that corrects material deviation in real-time. Enables high-speed, stable trimming and rewinding even with uneven raw material edges, ensuring neat finished rolls and significantly improved product quality.

6. Optional Vision Inspection: Streamlined Quality Control

Supports the addition of a synchronized vision inspection system for edge trimming; automatically identifies and marks defects via computer, completing trimming and quality inspection simultaneously. Greatly enhances inspection efficiency and reduces labor costs.

7. User-friendly splicing design for smoother operation

Dedicated splicing platforms come standard at both the front and rear of the machine, facilitating the marking of defects and the splicing/changing of materials for greater operational convenience. The rewinding unit features a hydraulic automatic unloading mechanism, making the removal of finished rolls effortless and ensuring a highly efficient, seamless workflow.

8. Customizable specifications for maximum adaptability

- Standard unwinding/rewinding diameters can be customized to requirements (standard options: 800mm/1000mm/1200mm; large-diameter models support up to 2500mm).
- Both unwinding and rewinding units support optional 3- to 6-inch air shafts; special sizes are available upon request.
- Machine working width and overall dimensions can be custom-tailored to the customer's facility layout and production needs.
- Maximum operating speed reaches 400 m/min, balancing high precision with high productivity.

Specifications showing only the width of the specific section：