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Basic Pneumatic Circuit Design 315

Hydraulics and Pneumatics Department

Class Information

Tooling U classes are offered at the beginner, intermediate, and advanced levels.
The typical class consists of 12 to 25 lessons and typically requires at least two hours of instruction time.

Class Name	Basic Pneumatic Circuit Design 315
Description	This class provides an overview of basic pneumatic circuits and how they are designed to perform basic tasks.
Prerequisites	570205 570220 570235
Difficulty	Advanced
Number of Lessons	12

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Class Outline

Class Objectives

Objectives

A Basic Pneumatic Circuit

Lubrication Circuit

Control of a Single-Acting Cylinder

Control of a Double-Acting Cylinder

Remote Operation

Timed Cycles

Variable Speed Control

Two-Handed Safety Circuit

Motor Control

Building a Basic Circuit

Summary

Identify essential components of a basic pneumatic circuit.

Describe a basic lubrication circuit.

Describe a basic single-acting cylinder circuit

Describe a basic double-acting cylinder circuit.

Describe a basic circuit for remote operation.

Describe a basic circuit for timed cycles.

Describe a basic speed control circuit.

Describe a basic two-handed safety circuit.

Describe a basic motor control circuit.

Identify considerations for building a basic circuit.

Class Vocabulary

Term	Definition
4/2	A quality of a directional control valve that indicates the valve has four ways, four ports, and two positions.
aerosol lubricator	An adjustable lubricator that continuously introduces a fine oil mist into a pneumatic circuit.
air treatment	The process of preparing air for a pneumatic system. Air treatment usually involves filtering for contaminants, regulating for pressure, and lubricating for ease of component movement.
cam	A circular device attached to the end of a cylinder rod. When it contacts a valve, the cam causes the valve to actuate.
cap end	The side of the piston that is opposite the rod. The cap end is also called the blind end.
directional control valve	A fluid component that determines the path air takes in a pneumatic system. Directional control valves are used to move actuators into various positions.
double-acting cylinder	A pneumatic actuator that directs pneumatic energy in two directions.
dual palm button	One of a pair of separate buttons that must be pressed simultaneously in order to power a stamping press. Dual palm buttons are considered safeguarding devices.
extension	The movement of a cylinder characterized by air pushing on the piston and moving the rod outside of the cylinder housing.
filter	A screen used for limiting contamination by trapping very fine and fine particulate matter and separating this matter from air. A filter is a component of an FRL.
filter-regulator-lubricator	FRL. A device that conditions air for use in a pneumatic system.
flow control valve	A fluid component that controls the rate of air flow. Flow control valves make it possible to control other system variables like the speed of an actuator.
FRL	A device that conditions air for use in pneumatic systems. An FRL is a combination filter-regulator-lubricator and is also called a trio.
injection lubricator	A lubricator that periodically places a small amount of oil in a particular area of a pneumatic circuit.
leakage	The unintended movement of fluid either out of a fluid system or from one fluid component to another. Leakage causes a loss of effiency and often leads to system failure.
limit valve	A directional control valve that restricts or otherwise changes the movement of another component when actuated.
logic	The unique configuration of a pneumatic circuit that involves placing components properly to perform work.
lubricator	A component that releases oil into certain portions of a pneumatic system to lubricate moving parts. A lubricator is a component of an FRL.
normally closed	A valve position in which the valving element is unactuated and covering a port. A normally closed valve opens when it actuates.
normally retracted	A cylinder position in which the piston is retracted when the valving element is unactuated. A normally retracted cylinder extends when the main directional control valve actuates.
Occupational Safety and Health Administration	OSHA. A government agency under the U.S. Dept. of Labor that helps employers reduce injuries, illnesses, and deaths in the workplace.
position	The number of physical settings on a directional control valve. A three-position valve can be placed in three different physical settings with a control such as a lever.
regulator	A pneumatic device that monitors the pressure level of the air sent to downstream components. A regulator is a component of an FRL.
retraction	The movement of a cylinder characterized by air exiting the cylinder and the rod moving into the cylinder housing.
rod end	The side of the piston that is attached to the rod.
shuttle valve	A control valve that regulates the supply of air from more than one source into a single area of the circuit.
silencer	A component that muffles noise caused by air exhausting from a pneumatic system.
single-acting cylinder	A pneumatic actuator that directs energy in one direction.
spring-centered	Situated by a mechanism that keeps a directional control valve in the center locked position unless the valve is actuated into the first or third position.
trio	A device that conditions air for use in pneumatic systems. An FRL is a combination filter-regulator-lubricator.
way	A characteristic of a valve that indicates how air can flow through it.