According to the form of the fuselage
According to the form of the fuselage, there are two types of back-type (C-type) and straight-type (H-type).
C-type punch press according to the characteristics of its body (front opening) general nominal pressure below 300T, and the use of pressure is generally about 50% of the nominal pressure.
The H-type press machine has a symmetrical body and is resistant to eccentric loads during operation. Nominal pressure is generally above 300T.