Refrigerator door shell forming line（CNC bending)

Refrigerator door shell forming line(CNC bending)

The Refrigerator Door Shell Forming Line (CNC Bending) is a fully automated manufacturing system designed for high-efficiency, precision forming of refrigerator door panels. This advanced production line integrates key equipment such as an automatic material loading machine, blanking machine, CNC bending machine, R-shape bending machine, transition positioning system, double-ends flanging machine, and unloading machine. By leveraging servo-driven clamping and suction cup manipulators for material handling, the system ensures smooth, accurate, and rapid sheet metal processing. The line is highly adaptable, allowing customization for different door designs, including display window cutouts, water dispenser holes, and flanging formations.

Automated Material Handling and Precision Blanking
The process begins with an automatic material loading machine, which feeds sheet metal into the blanking machine for initial cutting. Servo-controlled clamps ensure precise positioning before transferring the material to the next station. The blanking machine accurately trims the sheets to the required dimensions, minimizing waste and ensuring consistency. This stage is critical for maintaining tight tolerances before the metal undergoes further forming. The seamless transition between stations is facilitated by robotic manipulators, reducing manual intervention and enhancing production speed.

CNC Bending and R-Shape Forming for Complex Geometries
The heart of the production line is the CNC bending machine, which uses programmable tooling to create precise bends and angles in the door shell. Following this, the R-shape bending machine adds smooth, rounded edges for aesthetic and functional purposes. These machines operate with high repeatability, ensuring uniformity across mass-produced door panels. Advanced servo systems and real-time monitoring guarantee that each bend meets strict quality standards, making the line suitable for high-end refrigerator manufacturing.

Flanging and Hole Punching for Functional Features
After bending, the door shell moves to the double-ends flanging machine, which reinforces the edges for improved durability and assembly compatibility. Additional workstations can be integrated to punch holes for water dispensers, display windows, or other functional elements. The use of suction cup manipulators ensures gentle yet precise handling during these secondary operations. This flexibility allows manufacturers to adapt the line for various refrigerator models without significant reconfiguration, enhancing overall production efficiency.

Energy-Efficient and Scalable Production Solution
The entire forming line is designed for energy efficiency, utilizing servo motors and smart automation to reduce power consumption. Its modular structure allows for future upgrades, such as IoT-enabled monitoring or additional robotic workstations. By combining high-speed automation, precision CNC bending, and customizable processing, this production line delivers superior quality refrigerator door shells while minimizing labor costs and material waste. It represents the forefront of modern appliance manufacturing, meeting the demands of both large-scale production and specialized designs.

Guangzhou Kinte Intelligent Equipment Technology Co.,Ltd, a wholly owned subsidiary of CEI and an industry and trade based company perfectly integrating research, development, manufacture, sale and service links, mainly dedicates to general contract of household and similar electrical appliances plant equipment, export of equipment and laboratory specially for manufacturing household electrical appliances, development and mould manufacture of household electrical appliances, export of parts and components of household electrical appliances, export of conveyor line and automatic testing equipment, household electrical appliances, motorcycle and automotive painting line and production line, and manufacture and trade of surface treatment production line. 

Kinte has undertaken a large number of national, provincial and municipal knotty-problem-tackling scientific research projects. From 1998 to 2011, over 600 scientific and technological achievements were made, including over 380 outstanding scientific and technological achievements, of which there are 9 national achievement awards, 146 provincial and ministerial achievement awards, and 63 municipal achievement awards.   Over 100  national  patents  have  been  awarded ,  with  the  transformation  rate  of  scientific  and technological achievements reaching up to 85%. Kinte has won the national technological market “Golden Bridge Award” for five times in 10 consecutive years. Besides, Kinte owns multiple certificates, such as “Certificate for Foreign Engineering Contract of the People’s Republic of China” issued by the Ministry of Commerce of the People’s Republic of China (the only company with this certificate in Chinese household electrical appliance industry), “Engineering Design Certificate (Class A)” issued by the Ministry of Housing and Urban-Rural Development of the People’s Republic of China and “Special Engineering Design Qualification Certificate” issued by the Ministry of Environmental Protection of the People’s Republic of China. 

Taking Kinte Manufacture System (inclusive of Guangzhou Kinte Electric Industrial Co., Ltd,  Anhui Kinte-Weijia Equipment Manufacturing Co., Ltd and Guangzhou Kinte Desheng Intelligent Equipment Co.,Ltd) as the core, Kinte has formed a huge industry chain supported by many strategic partnership manufacturers, in addition to owning premium and perfect design development system and project management team. It is recognized as an integrator in household electrical appliance manufacturing industry.