Delay_System

9. 6. 7. 8. 3. 4. 5. 1. 2. 9 4 4 12 10 5 6 7 8 9 12 11 11 3 2 1 4 4 ��������������� ��������������� ����������� ��������� ��������� ��� �������������������� �������� ��� �������������������� �������������� ����������� ��������� ��������� ��� ��� Phase 2 The Ram of the press 1 starts going down; the cylinder rods 2 compress and the fluid contained inside the cylinders flows through the retention valve 4 towards the pressure-reducing valve 6 , which generates a counter-pressure, i. e. a contrasting force. This force may be either constant, increasing or decreasing over the whole extent of the stroke . The fluid pumped by the command unit 12 goes on flowing through the circuit of the air-oil exchanger 7 .