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The hydraulic transmission of the injection molding machine uses hydraulic oil as the working medium. The mechanical energy of the prime mover is converted into the pressure energy of the hydraulic oil through the power element (oil pump), and then the pressure energy is converted through the control element and then the actuator (cylinder or oil motor) It is mechanical energy that drives the load to achieve linear or rotary motion, and through the remote control of the control element and the adjustment of the flow rate, the force and speed of the actuator are adjusted.
What are the advantages of injection molding machine hydraulic drive system?
1. The hydraulic transmission system of the injection molding machine is very advantageous in the four types of transmission methods in terms of output power per unit weight and output power per unit size. It has a large moment of inertia ratio. Under the condition of transmitting the same power, the hydraulic transmission device Small size, light weight, small inertia, compact structure and flexible layout.
2. From the perspective of working performance, the speed, torque and power of the hydraulic transmission system of the injection molding machine can be steplessly adjusted, with fast action response, rapid reversing and speed change, wide speed adjustment range, and speed adjustment range up to 100:1 Up to 2000:1; the action is fast, the control and adjustment are relatively simple, the operation is more convenient and labor-saving, it is convenient to cooperate with the electrical control, and the connection with the CPU (computer) is convenient to realize automation.
3. From the perspective of use and maintenance, the components of the hydraulic transmission system of the injection molding machine have good self-lubrication, easy to achieve overload protection and pressure retention, safe and reliable; components are easy to achieve serialization, standardization, and generalization. All equipment using hydraulic technology is safe and reliable.
4. From the perspective of economic cost: hydraulic technology has strong plasticity and variability, which can increase the flexibility of flexible production, and it is easy to change and adjust the production process. The manufacturing cost of hydraulic components is relatively low, and the adaptability is relatively low. Strong. The combination of hydraulic pressure and microcomputer control and other new technologies to form a "mechanical-electrical-hydraulic-optical" integration has become the trend of world development, which is convenient for digitalization.
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