A rebar forging machine is a specialized piece of construction equipment designed for enhancing the ends of rebars by upsetting and strengthening them for mechanical connection. It is primarily used to process steel bar ends by cold forging, allowing the bars to be threaded and connected with couplers. This process not only improves tensile strength but also ensures a reliable and seamless connection. Compared to traditional welding or binding methods, the machine offers faster performance, higher joint strength, and greater efficiency, making it ideal for modern reinforced concrete construction.
Rebar Forging Machine Parameter
| Model | HDCJ-32 | HDCJ-40 | GDCJ-40 |
| Processing Reinforcement Range | 12~32mm | 12~40mm | 12~40mm |
| Motor Power | 4Kw | 7.5Kw | 4Kw |
| Max.Flow | 5.42L/min | 4.0L/min | 6.4L/min |
| Pressure | 2036KN | 3000KN | 2036KN |
| Max Working Pressure | 80MPa | 31.5MPa | 80MPa |
| Dimension | 1020*500*965mm | 1300*830*1350mm | 1300*650*965mm |
| Weight | 560Kg | 900Kg | 600Kg |
Working Principle and Processing Method
The working principle is based on cold forging technology. During operation, the machine plastically deforms the rebar end, increasing its diameter by approximately 4–6mm. This thickened portion is then threaded using a threading machine. Since the forged area is stronger and its cross-sectional area is larger than the original, it results in a joint that can withstand higher tension loads. After forging and threading, the two ends are connected using a matching rebar coupler.
Core Advantages of Using the Machine
One of the main benefits of the rebar forging machine is the strong and stable joint it produces, which often breaks outside the connection area during tensile testing. This proves the reliability of the connection. It also speeds up project timelines by enabling rapid rebar preparation and assembly. The machine is suitable for on-site or prefabricated steel bar processing, offering flexibility in usage.
It is compact, easy to operate, and compatible with both left and right-hand thread configurations. The forging and threading stages can be completed in sequence without needing to move the rebar to another workstation, significantly reducing labor intensity.
Application Fields of the Machine
The equipment widely serves infrastructure projects like bridges, tunnels, railways, high-rise buildings, and water conservancy projects. It is particularly effective on sites where workers cannot rotate the rebars, as it processes fixed-position connections.
With the growing demand for efficient steel bar connections, the rebar cold forging machine is becoming a standard choice in civil engineering and large-scale construction sites.
Related Machines and Equipment
The rebar upsetting machine is designed to work seamlessly with threading machines and couplers, forming complete steel bar connection systems.
Other supporting machinery includes the rebar threading machine, rebar straightening and cutting machine, automatic rebar bending machine, and rebar coupler threading lathe, which together streamline the rebar fabrication process from start to finish.
Rebar Upsetting Machine for sale in YG Machinery
As a professional manufacturing factory with years of experience in construction equipment, YG provides reliable and high-efficiency solutions tailored to your needs. All equipment comes with a comprehensive warranty, full technical support, and spare parts supply. Customization services are also available for unique project requirements.
Contact YG today.【WhatsApp/WeChat/Phone/Skype】+86 13837115193.