The main cylinder is a critical working component of hydraulic presses, and its performance directly impacts the overall工艺 level of the hydraulic press. Through meticulous analysis and theoretical research to address issues in the design structure of the vulnerable parts, the overall strength requirements of the hydraulic cylinder can be met, enhancing the technological standard and lifespan of its application. Therefore, a detailed and rigorous design calculation for the main cylinder of a hydraulic press plays a crucial role in the design and production process.

During the rapid advance of the hydraulic press cylinder slider, under the action of its own weight, the speed is relatively fast, while the hydraulic pump's output oil volume at this time cannot meet the rapid downward movement of the slider. The load during the rapid advance of the hydraulic press cylinder is minimal, consisting only of the frictional load between the piston and cylinder, as well as the guide column and slider. This results in a low outlet pressure of the pump, with minimal power consumption.

When the hydraulic cylinder piston rod is fully extended, the distance from the midpoint of the piston support surface to the midpoint of the cylinder head sliding support surface is called the smaller guide length, represented by H. If the guide length is too small, it can increase the initial deflection of the hydraulic cylinder due to deflection caused by gaps, affecting the stable operation of the hydraulic press hydraulic cylinder.