HC1800 Infrared Arch Window Process Machine, UPVC windows machine 1). Infrared Arch window machine is used for arch window processing. 2). Arch window machine complete bending of semi-circle profile with diameter 500--1800 mm and variable radian porfile with maximum diameter of 300 mm 3). Easy to use, high success rate, do not hurt the model steel profile. 4). Clean without pollution, processing curved round model steel profile no pollution. 5). Low electricity power, save the artificial, improve efficiency. 6). Different snakes provided to fit difenert profiles. 7). Meet the requirements of environmental protection.