The Hydraulic Double Column Punching Mahcine is designed for multi-working position punching processing. Different combined mould dies can be installed for different aluminum profile. It can finish punching the whole hole and notch on the aluminum profile corresponding all kinds of sliding or casement window and door. The combined moulds can be changed easily and conveniently. Advanced hydraulic system is used, high accuracy, high reliability, high accuracy, low noise level and sufficient punching power.