The **RRB-04** Pipe End Forming Machine is a high-performance, fully automated equipment designed to open, straighten, cut, and bend coil copper pipes into return bends. It is widely used in the production of air conditioning condensers, evaporators, water heaters, and other heat exchange systems. This machine ensures precision, efficiency, and reliability in manufacturing processes.
**Key Features:**
- **Model No.:** RRB-04
- **Type:** Pipe End Forming Machine
- **Tube Diameter (O.D.):** 5mm to 30mm (optional)
- **Cycle Speed:** 10–14 cycles per minute
- **Output per Cycle:** 2–5 pieces depending on tubing size
- **Trademark:** RETA
- **Transport Packaging:** Sea-worthy PA & King
- **Origin:** China
This machine is an essential part of the return bend production line. It connects two legs of a hairpin bender using a brazing process, making it ideal for heat exchanger coil fabrication. The RRB-04 operates fully automatically, following a precise sequence: feeding, clamping, mandrel insertion, spraying, bending, mandrel pulling, cutting, unloading, and repositioning.
**Structural Advantages:**
- Equipped with a motor-driven stock stand (similar to tube cutoff machines).
- Designed for seamless operation with minimal manual intervention.
**Main Electrical Components:**
- **Control System:** Japan OMRON PLC
- **Pneumatic Parts:** SMC
- **Hydraulic Parts:** Japan Brand Yuken
Whether you're looking to enhance your production line or improve efficiency in heat exchanger manufacturing, the RRB-04 is a reliable choice. If you are interested in this machine or would like more information, feel free to contact us.
**Technical Specifications:**
- High precision and efficiency
- Tube O.D.: 5mm – 30mm (optional)
- Output: 2–5 pieces per cycle
- Efficiency: 10–14 cycles per minute
For more details, visit [www.retamachine.com](http://www.retamachine.com).
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