1.The machine is used for the assembly of aluminum window and door corner. It can complete the corner punching and riveting connection of four corners at one time, with high production efficiency. 2.The machine adopts numerical control system, which can automatically locate the window size. Through torque monitoring, the four corners can be tightened automatically, which can realize the automatic positioning of machine heads with different size window types. The positioning is accurate and the precision of finished windows is high. 3.The angle cylinder is adjustable from front to back, left to right and easy to operate. It can be used for punching and riveting angles of different profiles, with a wide range of application. 4.It is applicable to the production of high-quality window and door with large quantities, multiple varieties.

Power supply	380V/3Phase/50Hz
Power	7.5Kw
Air pressure	0.5~0.8Mpa
Rated oil pressure	15MPa
Oil tank capacity	60L
Maximum frame height	140mm
Maximum frame size of group corner	2000×3000mm
Minimum frame size of group corner	450×450mm
Overall dimension	5000×2000×2800mm