Arc windows machine for plastic doors and windows 1) a special machine for processing arc windows 2)it includingworking table,the heating device and the shape - forming bands 3) media oil heated by electricity ,and the profileheatedin themedia oil 4) semi-circle with the diameters from 500mm to 1800mm canbe processed. 5)with different shape-forming bands ,it can process various profiles.it has features of reliability ,safety and high efficiency. power supply 380V 50Hz input power 12kw worktable size 3000x1250x800mm heating groove size 3200x300x650mm weight(about) 500kg