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50CNC-4A-2S Pipe Bender
Category Pipe Bending Machine
- The 50-model CNC pipe bender can process pipes with a maximum diameter of 50 mm and is particularly suitable for bending pipes ranging from 28 mm to 42 mm.
- This model utilizes a fully geared design, offering exceptionally high transmission rigidity and bending torque.
- Coupled with a high-precision RV reducer, it ensures exceptional bending accuracy.
Product Description
Fully Automatic Tube Bending Machine DW50CNC-4A-2S Details:

- Touchscreen display, CNC computer operation, and 500 memory storage settings.
- Programmable backlash compensation value settings, program and processing data confidentiality.
- Servo-controlled cornering, feeding, mold changing, and tube bending.
- Operating system equipped with passwords, keys, and quantity and time records for easy production management.
- Slowbending and slow corepulling functions.
- Error messages are displayed on the screen, allowing the operator to clear them immediately.
Equipment Introduction:
The 50 double-deck CNC pipe bender utilizes three power sources: a servo motor, compressed air, and hydraulics, to achieve high-speed,
precise, digitally controlled bending.
The machine’s operations include clamping, bending, core pulling, feeding, pipe rotation, mold removal, mold changing, and tube handling.
Fully automatic tube bending process:
- Tube clamping (hydraulic drive, including main clamping and guide clamping);
- Tube bending (servo motor driven, precision RV reducer and ground helical gear drive for tube bending);
- Feeding (servo motor driven, planetary reducer and rack and pinion drive for tube feeding and positioning);
- Tube rotation (servo motor driven, for continuous tube bending, the angle between the two bending planes is determined);
- Mold removal (servo motor driven, rack and pinion drive controls tube separation and contact with the bending wheel);
- Mold changing (servo motor driven, hydraulic cylinder driven lifting and lowering, switching between two-layer tube bending dies);
- Core pulling (hydraulic drive, used for bending thin-walled and small-radius tubes, can be disabled);
- Tray (supports longer tubes to prevent them from sagging and falling out of the wheel cavity).
| No. | Technical Data | Unit | Data | Notes |
| 1 | Maximum Bending Capacity / Carbon Steel | mm | ≤Φ50×2 | Small |
| 2 | Bending Radius Range | mm | ≤250 | |
| 3 | Maximum Bending Angle | degrees | ≤190° | |
| 4 | Maximum Feeding Stroke | mm | 3200 | |
| 5 | Equipment Operating Height | mm | 1080 | |
| 6 | Bending Servo Power | kW | 7 | |
| 7 | Bending Speed | degrees/second | 150 | Adjustable |
| 8 | Bending Accuracy | degrees | ±0.1 | |
| 9 | Feeding Servo Power | kW | 1 | |
| 10 | Feeding Speed | mm/s | 650 | Adjustable |
| 11 | Feeding Accuracy | mm | ±0.1 | |
| 12 | Angle Servo Power | kW | 0.75 | |
| 13 | Angle Speed | degrees/second | 300 | Adjustable |
| 14 | Angle Accuracy | degrees | ±0.1 | |
| 15 | Mold Shifting Servo Power | kW | 0.4 | |
| 16 | Mold Transfer Speed | mm/s | ≤150 | |
| 17 | Hydraulic Motor | kW | 5.5 | |
| 18 | System Pressure | MPa | 100 | |
| 19 | Equipment Dimensions (L×W×H) | mm | ≈5200×1300×1600 | |
| 20 | Equipment Weight | kg | ≈2700 |
Functional Description
- The operating system uses a touchscreen for parameter input, enabling human-machine interaction.
- The touchscreen can be switched between Chinese and English. Languages can be requested in advance.
- APLC controls input and output, processing and calculating machining parameters.
- The screen displays are neat and clear, with a clear logical sequence, making them easy to understand.
- The screen features an I/O detection menu that displays the status of each device’s input and output ports.
- Errors and faults are automatically detected and displayed on the screen, making it easy for operators or maintenance personnel to identify and troubleshoot.
- Processing parameters can be entered using either Y, B, C, or X, Y, Z keys.
- Processing parameters can be adjusted to adjust compensation values, speeds, and other parameters based on different materials.
- The sequence of each set of operations (bending, feeding, cornering, etc.) can be individually configured to meet specific requirements, effectively improving production efficiency.
- Inputting the initial bend length and the material length automatically calculates and moves to the corresponding position.
- The three axes (Y feed, B corner, and C tube bending) are servo-controlled. The speeds are digitally adjustable on the touchscreen, with 10 adjustable speed levels.
- Feeding options include direct feed and clamping (materials exceeding the machine’s stroke length can be processed without the core pulling function).
- A separate mold parameter page. Correctly entering mold parameters effectively avoids operational errors and better demonstrates the machine’s functionality.
- Mechanical: Pre-core function
- Slow bending function.
- Auxiliary push-first close function.
- Multiple assist functions.
- Auxiliary clamping and partial retraction function.
- Safety: The machine has multiple emergency stop switches.
- The machine’s travel joystick has independent foot-operated start and pause functions.
- The machine has a backbend anti-collision function.
- The machine has a three-color indicator light that displays the machine’s status in real time. Note: Due to uncertain factors, the equipment function may vary in actual production (same quality).
The entire series of 50 double-layer CNC tube bending machines is equipped with large-module precision-ground helical gear racks and linear guides that surpass those of comparable machines. This allows the equipment to maximize the kinetic energy of each power component while still maintaining significant redundant rigidity, ensuring bending accuracy and extending the life of the equipment.
RV reducer with precision-ground gears to achieve high precision. The bending action of this CNC pipe bender is completed by a precision RV reducer with precision-ground gears. The reducer backlash is less than 3 arc minutes, and the gear set is designed with an anti-backlash structure. At the same time, the tooth transmission eliminates the polygonal effect in the chain transmission process, making the bending angle more refined and greatly improving the arc pushing accuracy.
Powerful push function and servo-assisted push function can cope with small radius, thin-walled tubes.
The entire series of 50-type multi-layer CNC tube bender machines is equipped with high-power feed servo motors. With a powerful back-thrust function, they can handle the production of thin-walled stainless steel tubes and reliably achieve 1DR small radius bends. An optional servo side-thrust function further reduces the clamping section and the outer wall thinning rate.
Application areas: Widely used in the automotive manufacturing industry, it can be used for processing various types of pipe fittings in automobiles; in furniture manufacturing companies, it is suitable for the automated manufacturing of stainless steel seats, tables and other pipe fittings; it can also be used in the processing and manufacturing of pipe products in the aerospace, shipbuilding, and other industries.




