What is the punching machine? 
These machines are usually equipped with a linear matrix carrier (tool holders) and quick change tools. The numerical computerized punching (CNC) is a manufacturing process of sheet metal that is made by CNC punching machines. These machines can be a single head design and tool rail or turret design of multiple tools. 
http://www.qiaosenmachinery.co....m/punching-machine/d
 
      




