Hydraulic press is widely used in the processing of spare parts in the automotive industry and the use of a variety of products in various industries. Its main functions include shaping, edge punching, correction, press fitting, bending and embossing of plate parts. What is its working principle in work?  
 
Hydraulic press is a transmission mode that uses liquid pressure to transmit power and control. The hydraulic device consists of hydraulic pump, hydraulic cylinder (hydraulic motor and other actuators), hydraulic control valve and hydraulic auxiliary components.  
 
Hydraulic pump: a conversion device that converts mechanical energy into hydraulic energy.  
 
Hydraulic cylinder (hydraulic motor and other actuators): convert hydraulic energy into mechanical energy.  
 
Control valve: control the flow, flow direction and pressure of hydraulic oil, the working sequence of hydraulic actuator, etc. and protect the hydraulic circuit.  
 
Function: Generally speaking, it is to control and adjust the flow direction, pressure and flow of hydraulic medium. So as to control the movement direction, output force or torque, movement speed and action sequence of the actuator, limit and adjust the working pressure of the hydraulic system and prevent overload (such as one-way valve, directional valve, overflow valve, pressure reducing valve, sequence valve, throttle valve, speed regulating valve, etc.).  
 
Auxiliary components:  
Oil tank: used for oil storage, heat dissipation and separation of air and impurities in oil; Oil pipe and oil pipe joint; Oil filter; Pressure gauge; Sealing element.  
Understanding the working principle of the oil press can help users better understand the working process of the equipment, better use it, and understand the composition of the equipment.