7. Exercise 1 Feeding Workpieces from a Gravity Feed Magazine
New Components:
3/2-Way Valve
Single Acting Cylinder
Service Unit

12. Exercise 1 Feeding Workpieces from a Gravity Feed Magazine
Problem Description:
Using a single cylinder, workpieces are to be feed into a jig from a gravity magazine.
The piston rod is to extend when a pushbutton is pressed and return to the start position when the push button is released.

13. Exercise 1 Answer

14. Exercise 2 Removal of Heavy Workpieces from a Gravity Feed Magazine
New Components:
5/2-Way Valve
Double Acting Cylinder

18. Exercise 2 Removal of Heavy Workpieces from a Gravity Feed Magazine
Problem Description:
Using a double acting cylinder, Heavy workpieces are to be feed into a jig from a gravity magazine.
The piston rod extends when a selector switch is returned to its original position.

19. Exercise 2 Answer

20. Exercise 3 Removal of Bushings From Steel Blocks
New Concept:
Indirect Control
Direct Control

23. Exercise 3 Removal of Bushings from Steel Blocks
Problem Description:
Press fit bushings are to be removed from steel blocks using a double acting cylinder.
The start signal is to be given using a push button: When the push button is released, the cylinder returns to its initial position.

24. Exercise 3 Answer

25. Exercise 4 Distribution of Crates
New Concept:
Memory Control System

26. Circuit Diagram: Memory Control

27. Exercise 4 Distribution of Crates
Problem Description:
The roller track is to be swiveled by means of a double acting cylinder.
The signals to extend and to retract are given from separate push buttons. The cylinder is to remain in the position indicated by the last signal until an opposing signal is given.

28. Exercise 4 Answer

29. Exercise 5 Transfer of a Part
New component:
Roller Levers

31. Exercise 5 Transfer of a Part
Project Description:
Using a double acting cylinder, a part is t be moved from one roller track to another, as part of a material handling operation.
The operation is to be started used a push button. An acknowledgment signal is required when the piston is fully extended to ensure that the part has been transferred.
The return stroke is to be automatic.

32. Exercise 5 Answer

33. Exercise 6 Parts Feeding
New component:
Non Return Valves
Shuttle Valve
Dual Pressure Valve
Flow Controls
Metering In/Out

39. Metering In
Metering OUT

40. Exercise 6 Parts Feeding
Problem Description:
Production parts are moving an actuator away from a gravity feed magazine toward an assembly device
Two push buttons are to be incorporated in the circuit. When either of these is actuated, parts are to be feed.
The return stroke is initiated by the actuator after it reaches the end of the forward rotation.
The forward and return strokes are to be adjustable.

41. Exercise 6 Answer

42. The End