Preheating Method for Press Machine Including Wet Type Clutch Brake Unit and Press Machine Thereof

摘要

The present invention relates to a preheating operation method of a press apparatus including a wet clutch brake unit and a press apparatus including the same, and more particularly, a fluid (hydraulic oil for performing an operation of the wet clutch brake unit when the press apparatus is dormant). The present invention relates to a preheating operation method of a press apparatus including a wet clutch brake unit for preheating to a selected temperature, and a press apparatus including the same.