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YJING Extrusion's Dual-Rail Triple-Head Puller is an advanced intelligent solution specifically engineered for seamless integration with high-efficiency aluminum extrusion production lines. Known for its innovation, reliability, and automation capabilities, this puller system ensures superior pulling precision, minimal profile surface defects, and highly coordinated operations—meeting the rigorous standards of modern aluminum extrusion factories.
The system features a dual-rail, triple-head structure, comprising two servo traction heads and one high-speed sawing head. This integrated configuration supports uninterrupted and coordinated pulling and sawing, significantly improving production throughput and profile surface quality.
The intelligent puller assembly includes upper and lower rails, dual servo traction units (each with integrated servo drive and control systems), and a precision-engineered traction drive skid assembly. These components are built to perform reliably under high-temperature and high-speed extrusion environments.
Both the upper and lower pullers are equipped with Siemens servo control systems that precisely manage:
* Pulling travel
* Pallet lifting and lowering
* Pallet arm expansion and retraction
* Clamping system lifting and rotation
* Material blocking mechanism
The servo systems ensure smooth motion control, exact positioning, and fast response times, providing reliable handling even with high-speed extrusion.
* The upper and lower haul-off mechanisms utilize rack and pinion drives for real-time feedback and position control.
* High-precision screw and linear guide systems are used to drive lifting, clamping, rotating, and blocking motions—achieving positional accuracy at the 0.2 mm level.
These features guarantee that the system meets the demand for tight tolerances required in architectural and industrial-grade aluminum profiles.
* The upper puller is mounted on a guide rail above the export platform.
* The lower puller is mounted on a guide rail below the export platform.
During operation, the puller's servo-driven clamping arm, made of a steel structure, extends to grip the extruded aluminum, hauls it out, and then retracts during its high-speed return cycle. The lightweight and responsive design enhances motion sensitivity and operational stability.
When the first aluminum bar is extruded:
* The lower haul-off moves to the front crossbeam outlet of the press to begin pulling.
* The two pullers work alternately, independently executing pull-and-return actions without overlap, ensuring continuous extrusion without interruptions.
This programmed cooperation allows smooth sawing and clamping transitions during billet changeovers, effectively eliminating vibration lines on the profile surface and enhancing overall surface finish.
Following the quenching section on the high-temperature portion of the export platform, the interrupt cutting saw is installed to carry out precision sawing of the extruded aluminum in real time.
* Utilizes double linear guides for smooth, stable motion.
* Servo motor chain drive allows synchronous tracking of extrusion speed.
* The optical communication system enables fast response and accurate positioning for precise sawing locations.
* The sawing motor is powered by a servo motor and screw-driven feeding mechanism.
* A high-pressure centrifugal fan is mounted above the saw blade to efficiently collect aluminum chips and maintain a clean working environment.
* Equipped with a fast pick-up head and tail device, which rotates the cut-off ends to the desired position via a servo-driven cylinder clamp.
* Proven Expertise: Backed by over a decade of industry experience in aluminum extrusion automation.
* Integrated Innovation: Seamless connection between haul-off and saw operations improves efficiency and product quality.
* Reliability & Precision: German Siemens servo systems, high-precision mechanical assemblies, and modular design ensure long-lasting performance and minimal downtime.
* Customization Available: Can be tailored for different extrusion line configurations and production capacities.
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