Typical Training Contents
1.Directional control circuits
1.1Sequence action circuits
1.1.1 Reversing circuit of manual directional/reversing valve
1.1.2 Reversing circuit by pilot oriented pressure relief valve/overflow valve
1.2 Sequence action circuits
1.2.1 Sequence action circuit of sequence valve
1.2.2 Sequence action circuit of pressure relay
1.2.3 Sequence action circuit of limit swtich
1.2.4 Sequence action circuit of travel/reversing valve
1.3 Lock circuits
1.3.1 Lock circuit of mid position function solenoid reversing valve
1.3.2 Lock circuit by pilot check valve
2.Pressure control circuits
2.1 Pressure regulating circuits
2.1.1 Pressure regulating circuit
2.1.2 Two-stage pressure regulated circuit
2.2 Pressure reducing circuits
2.2.1 Pressure reducing circuit of pressure reducing valve
2.3 Booster circuits
2.3.1 Booster circuit of booster cylinder
2.4 Pressure relief circuit(Pressure-venting circuit)
2.4.1 Pressure relief circuit by reversing valve
3.Speed control circuits
3.1 Throttle speed regulating circuits
3.1.1 Oil-inlet throttle speed regulating circuit
3.1.2 Oil-return/back throttle speed regulating circuit
3.1.3 Reversing speed regulating circuit of gear pump
3.1.4 Complex speed control circuit by joint gear pump and speed regulating valve
3.1.5 Secondary feed circuit of series speed regulating valve
3.1.6 Secondary feed circuit by parallel speed regulating valve
3.2 Speed shift circuits
3.2.1 Speed shift circuit of flow valve
3.3 Synchronization circuit
3.3.1 Synchronization circuit of series hydraulic cylinder
4.Excavator training contents
4.1 Excavator hydraulic circuits
4.2 To demonstrate mining,discharging,lifting and other actions of a physical/real excavator
4.3 To understand the hydraulic system components and working principle of an excavator, and internal structure and working process of the components.
4.4 Disassembly and assembly of an excavator’s hydraulic system
4.5 Electrical control system circuit experiments of an excavator.
4.6 To measure the parameters such as pressure,flow and others of the excavator hydraulic system in experiment.