GHM MACHINE

Rebar Upsetting Machine – for Stronger Rebar Connections

Rebar Upsetting Machine, also known as a Cold Upsetting Machine, is an intelligent and efficient device designed to improve the strength and reliability of rebar connections. By integrating hydraulic technology and an electric control system, this machine delivers precise performance and exceptional productivity, making it ideal for modern construction projects such as high-rise buildings, bridges, highways, railways, and power plants.

Key Features and Functions

Rebar upsetting machine uses cold upsetting technology to increase the strength and diameter of rebar ends. During processing, the cross-sectional area of the rebar end is expanded by 15–20%, ensuring that the diameter of the processed thread is not smaller than the original bar diameter. This process enhances the rebar’s tensile strength by up to 110%, resulting in stronger and more secure connections.

The equipment can process rebars with diameters ranging from 16 mm to 32 mm, meeting GB1499 and GB13014 standards. It features high-quality hydraulic seals that extend the machine’s service life while allowing easy mold replacement and maintenance.

Operational Advantages

Rebar upsetting machine is designed for simple, one-button operation, significantly improving work efficiency. Each upsetting cycle takes only 10–15 seconds, allowing operators to complete large batches quickly. The system is user-friendly, requiring only minimal training to operate safely and effectively.

Steel Bar Upsetting Machine

Its automatic control mode handles most of the operation, while a manual mode is available for setup and maintenance. In manual mode, the operator can control the hydraulic pump station and cylinder movement to adjust parameters or replace molds as needed.

Mold Replacement and Safety Procedures

Different rebar sizes require different molds. To change a mold, operators simply loosen the set screws, remove the lower fastening blocks, and use the on-screen mold removal function. The system automatically resets the upsetting and clamping cylinders, allowing safe mold extraction.

When installing new molds, operators secure them in place, press “Clamp Down,” and the hydraulic system automatically locks them. After adjusting the sensor plate and tightening the set screws, the machine is ready for the next production cycle.

The system includes emergency stop switches and safety interlocks to prevent accidental activation during maintenance.

Conclusion

Rebar Upsetting Machine provides a highly efficient and reliable solution for processing rebar ends. With its integration of hydraulic precision, electronic control, and cold upsetting technology, it ensures high-strength joints, enhanced safety, and outstanding productivity. This makes it an essential tool for any construction site that values speed, accuracy, and long-term structural integrity.