Linear translation is most common motion

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Presentation transcript:

Linear translation is most common motion Linear Motion Linear translation is most common motion Linear movement can be caused by: Pneumatic or hydraulic cylinders Rotary motion converted to linear Vibratory systems Electric solenoids Linear electric motors Piezoelectric actuators

Pneumatic power very popular in industry Pneumatic Systems Pneumatic power very popular in industry High force, economical actuators Force is independent of stroke Non-flammable, compressible, storable medium Compact, low heat production actuators Pneumatics best suited to discrete motion (not proportional) Energy costs of pneumatics are very high ~$0.005 / cu.ft. / year 1” cylinder with 6” stroke once/sec=>$392/year

Pneumatic System Layout

Air Compression https://commons.wikimedia.org/wiki/File:ScrewCompressorCompression.webm

Air Preparation

Single-Acting Cylinder

Single-Acting Cylinder

Double-Acting Cylinder

Pneumatic Cylinder Mounting Off-axis loading must be prevented! Pivoting mounts can eliminate axial loading: Clevis mount Trunnion mount Universal joints Shaft may rotate unless antirotation model is used

Trunnion Mount

Pneumatic Twin Cylinder

Pneumatic Bellows

Pneumatic Bellows

Pneumatic Rotary Actuators

Pneumatic Rotary Actuators

Pneumatic Schematics

Pneumatic Schematics

Vacuum Pickups