Exercise 1

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

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.

Exercise 1 Answer 2 1 3

Exercise 2

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

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.

Exercise 2 Answer 4 2 5 1 3

Exercise 3

Removal of Bushings From Steel Blocks New Concept :  Indirect Control  Direct Control

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.

Exercise 3 Answer 2 1 3 4 2 5 1 3

Exercise 4 Distribution of Crates

New Concept :  Memory Control System

Circuit Diagram: Memory Control 2 1 3 4 2 5 1 3 2 1 3

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.

Exercise 4 Answer 4 2 2 1 3 5 1 3 2 1 3

Exercise 5 Transfer of a Part

New component :  Roller Levers

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.

Exercise 5 Answer 1S1 4 2 5 1 3 2 1 3 1S1 2 1 3

Exercise 6 Parts Feeding

New component :  Non Return Valves  Shuttle Valve  Dual Pressure Valve  Flow Controls  Metering In/Out

 Metering In  Metering OUT

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.

Exercise 6 Answer 1S1 2 1 4 2 2 1 2 5 1 3 1 3 1 3 1S1 2 1 3

The End