1. Main Function: Mechanical Notching Machine for Angles Model AC140 is mainly used to cut the flange of angle by a mechanical pressing machine, with easy operation, high cutting speed and high working efficiency. 2. Main Technical Specifications: (1) Nominal pressing force: 1000KN (2) Stroke of the slip block: 100mm (3) Frequency of slip block stroke: 70 n/min (4) Max. Close height: 390mm (5) Max. Angle size: to cut bevel edge: 140x140x16(Q235-A, σb≈410MPa) 140x140x12(16Mn, σb≈600MPa) to cut right angle: 100x100x12(Q235-A, σb≈410MPa)