In modern industrial production, the performance of tube bending machines plays a crucial role in product quality and production efficiency. How to improve the fullness and accuracy of tube bending by tube bending machines has always been the focus of attention in the industry. Today, we will introduce some effective methods and highlight a tube bending machine with excellent performance – CNC5004RET-RBE.
Methods to Improve the Fullness and Accuracy of Tube Bending
1.Equipment aspects
Selection of high-quality equipment
An advanced control system is the key. For example, a CNC tube bending machine can precisely control the bending angle, speed, and force, providing a guarantee for high-precision tube bending operations.
The robustness and stability of the mechanical structure cannot be ignored. A tube bending machine with a heavy-duty body and made of high-quality steel can reduce vibrations and deviations during the tube bending process.
Regular equipment maintenance
Cleaning and lubrication are the basics. Regularly clean the dirt and debris on the tube bending mold and add lubricating oil to the transmission parts to ensure the good operation of the equipment.
The inspection and calibration of key components are of great importance. Use professional tools to calibrate the size of the tube bending mold and timely replace worn components to prevent the decline in tube bending quality.
2.Mold design and adjustment
Optimization of mold design
The mold material needs to be carefully selected. Materials with high hardness, high strength, and good wear resistance, such as high-quality alloy steel, can improve the service life of the mold and the quality of tube bending.
The shape and size of the mold should be reasonably designed to ensure a perfect match with the tube. Design the appropriate bending radius and mold clearance according to the tube diameter and wall thickness.
Correct mold adjustment
Before tube bending, carefully adjust the position and angle of the mold to make the tube evenly stressed. Keep the tube stable by adjusting the clamping force and bending angle.
According to the material and specification of the tube, flexibly adjust the mold pressure and speed. For example, for a harder tube, reduce the bending speed and increase the pressure.
3.Process parameter control
Bending angle control
Use accurate measuring tools, such as an angle gauge or the angle display of the CNC system, to ensure the accuracy of the bending angle. For complex shapes, segmented bending can be used to gradually adjust the angle.
Bending speed control
Select the appropriate bending speed. A slow speed should be used for thin-walled tubes, and the speed can be appropriately increased for thick-walled tubes. It can be achieved by adjusting the motor speed and the pressure of the hydraulic system.
Heating temperature control (for hot tube bending)
When hot tube bending, accurate control of the heating temperature is crucial. Use professional heating equipment and a temperature control system to ensure that the tube is heated evenly and the temperature is appropriate. Adjust the heating time and power according to the material and specification of the tube.
4.Tube selection and treatment
Selection of appropriate tubes
Select tubes with good quality and uniform material. Steel tubes or aluminum alloy tubes that meet national standards are preferred. Select the appropriate hardness and wall thickness of the tube according to the tube bending requirements.
Tube pretreatment
Before tube bending, clean and straighten the tube to remove the oil, impurities, and bending deformations on the surface. For special material tubes, appropriate annealing can be carried out to reduce the hardness and improve the plasticity.
5.Operation skills and personnel training
Correct operation of the equipment
The operator should be familiar with the operation process and safety regulations and strictly follow the operating procedures. Pay attention to the feeding direction and position of the tube and use a positioning device to fix the tube.
Personnel training
Provide professional training to the operator to improve the operation skills and quality awareness. Cultivate the operator’s observation and judgment ability to timely detect and solve problems.
Outstanding Performance of the CNC5004RET-RBE Three-Dimensional CNC Tube Bending Machine
The CNC5004RET-RBE is an oil-electric hybrid servo tube bending machine with many unique advantages that can effectively improve the fullness and accuracy of tube bending.
(1)High-rigidity mechanical structure design
It adopts a high-rigidity mechanical structure design and precision process level that conform to the principles of dynamic mechanics. While ensuring structural strength, the simple crank and bending head design provides the maximum tube bending space and minimizes the machine interference range. This means that during the tube bending process, the equipment can better adapt to the bending needs of different shapes and sizes of tubes, reducing collisions and deformations that may be caused by space limitations, thereby improving the fullness and accuracy of tube bending.
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(2)Automated program control system
Equipped with an advanced automated program control system, it can ensure that all types of high-difficulty steel tube bending work can achieve both mass production and high-precision requirements. The operator can precisely control various parameters of tube bending, such as the bending angle and speed, through programming, and the system can stably repeat these programs, ensuring the consistency and high precision of each tube bending product.
(3)Innovative design to solve accuracy problems
This machine is an oil-electric hybrid type, effectively avoiding the tube bending accuracy problem caused by the increase in hydraulic oil temperature in the C-axis tube bending. During long-term continuous operation, the increase in hydraulic oil temperature may lead to the instability of the hydraulic system performance, thereby affecting the tube bending accuracy. The oil-electric hybrid design of the CNC5004RET-RBE, by optimizing the power system, greatly improves the accuracy of the bent workpiece while saving time, manpower, and space.
The following are some parameters of the CNC5004RET-RBE:
| Main technical data | UNIT | CNC5004RET-RBE | Remark |
| Maximum bending capacity | mm | 50.8×3.0 | Carbon steel |
| Maximum bending capacity | mm | 42×1.5 | Stainless steel |
| Maximum bending capacity | mm | 40×1.8 | Metal square tube |
| Bending radius range | mm | 30-240 | Round tube |
| Bending radius range | mm | 30-200 | Square tube |
| Maximum pipe diameter for reciprocating feeding | Mm | 40 | |
| Range of bending angles | Degree | 190 | |
| Maximum effective core penetration distance | Mm | 2500 | Can be customized lengthening |
| Machine working height | Mm | 1150 | |
| Mold adjustable distance | Mm | 20-200 | |
| Bending servo motor | KW | 7 | |
| Bending speed | Deg/sec | 100 | |
| Bending accuracy | Degree | ±0.01 | |
| Feed servo motor | KW | 5 | |
| Feed movement speed | Mm/sec | 200-750 | |
| Feeding accuracy | Mm | ±0.01 | |
| Rotating tube servo motor | KW | 750 | |
| Speed of tube movement | Deg/sec | 270 | |
| Rotor accuracy | Degree | ±0.01 | |
| Demoulding servo motor | KW | 750 | |
| Demoulding speed | Mm | 100 | |
| Demoulding accuracy | Mm | ±0.01 | |
| Auxiliary Push Motion Speed | Mm/sec | 120 | |
| Auxiliary Push Accuracy | Mm | ±0.01 | |
| Core movement speed | Mm/sec | 120 | |
| Hydraulic motor | KW | 5.5 | |
| Maximum system pressure | Kgf/cm2 | 140 | |
| Preset pressure | Kgf/cm2 | 100 | |
| Gross power | KW | 20 | |
| Machine length | Mm | 5200 | About |
| Machine width | Mm | 1200 | About |
| Machine height | Mm | 1500 | About |
| Machine weight | KG | 3500 | About |
In conclusion, improving the fullness and accuracy of tube bending by tube bending machines requires efforts in multiple aspects. The CNC5004RET-RBE three-dimensional CNC tube bending machine, with its excellent design and performance, provides an efficient and accurate solution for the industry. Whether it is for enterprises that pursue high-quality products or manufacturers that are committed to improving production efficiency, this tube bending machine has extremely high application value.
If you need a pipe bending machine, welcome to consult Shanghai ANTISHICNC. We have rich experience in manufacturing and and application of pipe bending machine, and can provide you with professional technical support.
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