本機主要用于角碼結構的 45 °接縫的組角成形。
用氣壓定位、液壓沖鉚，可一次對門窗四角進行組角，采用低壓預置，高壓沖鉚，具有定位準確、操作方便、工作效率高、組角精度高的特點，是大、中型鋁合金門窗生產廠家的主要設備之一。
The machine is used for forming 45 ° seam joint of corner brace structure.
Adopting pneumatic locating and hydraulic impact riveting, the machine can complete corner-connection process one-pass.
Low-pressure preset and hi-pressure impact rivet features accurate locating, easy operation, high efficiency and high precision ， so it is a necessary machine for large and medium factories producing alu-alloy doors and windows.