01 May,2023
Plywood pressing is an important process in the production of plywood, which requires the use of a plywood hydraulic press. The pressure of the plywood hydraulic press is one of the important factors affecting the effectiveness of plywood pressing and forming. So, what should the pressure of the plywood hydraulic press be? This article will provide you with a detailed introduction.
1、 Introduction to Plywood Hydraulic Press
Plywood hydraulic press is a machine powered by hydraulic pressure that achieves plywood pressing and forming through components such as hydraulic cylinders, workbenches, and pressure plates. Its main characteristics are high pressure, smooth operation, and precise control, making it one of the indispensable equipment in plywood production.
2、 Factors Influencing the Pressure of Plywood Hydraulic Press
The pressure of the plywood hydraulic press is one of the important factors affecting the effectiveness of plywood pressing and forming. The magnitude of its pressure is determined by multiple factors.
Plywood thickness
The thickness of plywood is an important factor affecting the pressure of the plywood hydraulic press. Generally speaking, the thicker the plywood, the greater the hydraulic pressure required. Therefore, when selecting a hydraulic press, it is necessary to choose a suitable hydraulic press model based on the thickness of the plywood required for pressing.
Quality of plywood
The quality of plywood can also have an impact on the pressure of the hydraulic press. If the quality of plywood is poor, the surface is uneven, or there are defects such as bubbles, greater pressure is needed to press it into shape. Therefore, in the production process, it is necessary to ensure the quality of plywood to reduce the use of hydraulic pressure.
Adhesion viscosity of plywood coating
The viscosity of plywood coating can also affect the pressure of the hydraulic press. If the viscosity of the adhesive is too high, greater pressure is needed to press it into shape. Therefore, during the adhesive coating process, it is necessary to control the viscosity of the adhesive to reduce the use of hydraulic presses.
Specific values of pressure for plywood hydraulic press
The specific value of the pressure of the plywood hydraulic press is determined by factors such as the thickness, quality, and adhesive viscosity of the plywood that needs to be pressed. Generally speaking, if the thickness of plywood is less than 10mm, the required hydraulic press pressure is generally between 40-50MPa. If the thickness of the plywood is above 10mm, the required hydraulic press pressure is generally between 50-60MPa.
It should be noted that hydraulic presses of different models and brands may also have differences in pressure. Therefore, when choosing a hydraulic press, it is necessary to choose a suitable hydraulic press model and brand based on actual production needs.
4、 Control Method for Pressure of Plywood Hydraulic Press
In order to control the pressure of the plywood hydraulic press and avoid poor plywood forming quality caused by excessive or insufficient pressure, corresponding control methods need to be adopted.
Adopting hydraulic control system
Hydraulic control system is a method of achieving pressure control through hydraulic control devices. It can accurately control the pressure of the hydraulic press, thereby ensuring the molding quality of the plywood.
Adopting mechanical limit control method
The mechanical limit control method is to limit the stroke and pressure of the hydraulic press by setting a mechanical limit device, thereby achieving the purpose of controlling the pressure of the hydraulic press. Its control accuracy is low, but its cost is low, making it suitable for some relatively simple production processes.
The pressure of the plywood hydraulic press is one of the important factors affecting the effectiveness of plywood pressing and forming. In the production process, it is necessary to select suitable hydraulic press models and brands based on actual needs, and adopt corresponding control methods to ensure the quality of plywood forming. What should the pressure of the plywood hydraulic press be