WREN Project Showcase | Hydraulic Sleeper Stress Release Machine

Customized Series Hydraulic Sleeper Stress Release Machine

Customized Hydraulic Sleeper Stress Release Machine

The Hydraulic Sleeper Stress Release Machine introduces an innovative approach to prestressed concrete sleeper stress release. By utilizing a hydraulic torque wrench to gradually loosen the nuts on the sleeper mold, the system releases reinforcing steel prestress in a controlled and uniform manner. This ensures a safe, stable, and evenly distributed stress-release process, effectively reducing the risk of cracking and deformation while improving sleeper production quality. The system consists of an intelligent control cabinet and a hydraulic torque wrench and can be easily integrated with existing sleeper molds. A complete stress-release cycle typically requires only 15–30 minutes. Compact in size and easy to operate, the equipment supports single-operator use in synchronization with production line cycles. It also features parameter presetting, data import, and operation record storage functions, providing a high level of automation, reliability, and durability for modern sleeper manufacturing plants.

Smooth and efficient tension releasing process: It releases steel bar stress slowly and evenly to prevent sleeper cracking and deformation.

A single releasing operation only takes 15-30 minutes, perfectly matching the production line pace.

The torque wrench is made of high-strength materials with a hollow structure, featuring small size, light weight and long service life, and is applicable for long-term continuous operation.

Project Showcase | Hydraulic Sleeper Stress Release Machine

The Hydraulic Sleeper Stress Release Machine introduces an innovative method for releasing prestress in concrete sleepers. By gradually loosening the nuts on the sleeper mold, the system enables the reinforcing steel stress to be released in a controlled, smooth, and uniform manner. The entire stress-release process is safe, reliable, and stable, helping to improve sleeper quality and production consistency. With its compact design and simple operation, the machine allows a single operator to work efficiently in line with production schedules. It has been widely recognized and well received by sleeper manufacturers for its effectiveness in improving product qualification rates.

The complete system consists of an intelligent control cabinet, hydraulic torque wrench, and related components. It can be integrated with existing sleeper molds, with a complete stress-release cycle typically requiring only 15–30 minutes.

The intelligent control cabinet is equipped with a smart hydraulic pump and an operator control panel. The smart pump allows rapid pressure setting for convenient operation, while the control panel enables users to simply select the sleeper model, mold number, and stress-release duration. Once the parameters are confirmed, the stress-release process can be started with a single command, ensuring efficient and consistent operation.

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