Page 99 - Pneumatic ebook (2)_draft 13 sept 2021

Linear Actuator

Linear actuator can be classified into two groups; single acting cylinder and double acting cylinder

air
Single acting inlet vent cylinder rod
cylinder

1. Single acting cylinder has one air inlet to create a
power stroke in one direction (usually to extend) and
the piston returns to the home position (retract) by
means of spring force.
Single acting cylinder

2. Single acting cylinders are used for applications such
as clamping, marking, ejecting etc.

3. air consumption for single acting cylinder is low
compared with the equivalent size of double acting
cylinder.
Symbol of single acting Construction of single
cylinder acting cylinder

INTRODUCTION TO PNEUMATIC SYSTEM 45