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Festo

FESTO DSM-40-270-P-FW-A-B Semi-Rotary Drive 270° 20Nm G1/8

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$281.06

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	FESTO
Model Number	DSM-40-270-P-FW-A-B
Product Category	Semi-Rotary Drive
Part Number	547587
Series	DSM
Size	40
Swivel Angle	0° to 270°
Rotation Angle Adjustment Range	0° to 270°
Fine Adjustment	-6°
Cushioning Angle	2°
Cushioning	Elastic cushioning rings/plates at both ends
Mode of Operation	Double-acting
Design	Vane
Position Detection	Via proximity switch
Operating Pressure	1.5-10 bar
Maximum Swivel Frequency at 6 Bar	2 Hz
Repetition Accuracy	1°
Operating Medium	Compressed air to ISO 8573-1:2010 [7:-:-]
Maximum Stop Force	650 N
Maximum Axial Force	120 N
Maximum Radial Force	350 N
Theoretical Torque at 6 Bar	20 Nm
Permissible Mass Moment of Inertia	0.035 kgm²
Product Weight	2835 g
Mounting Type	Via female thread
Pneumatic Connection	G1/8
Drive Shaft	Flanged shaft
Drive Shaft Material	Steel, nickel-plated
Seal Material	TPE-U(PU)
Housing Material	Aluminium, anodized

Key Features

270° Swivel Range

The DSM-40-270-P-FW-A-B provides a documented swivel angle and adjustment range from 0° to 270° for limited rotary-motion applications.

20 Nm Theoretical Torque

The documented theoretical torque is 20 Nm at an operating pressure of 6 bar.

Double-Acting Vane Design

The actuator uses a double-acting vane design to convert compressed-air energy into controlled rotary movement.

Flanged Drive Shaft

The FW configuration provides a flanged drive shaft for mechanical connection to the driven component.

Position Detection

The DSM-40-270-P-FW-A-B is designed for position detection via a suitable proximity switch.

Elastic End Cushioning

Elastic cushioning rings or plates are fitted at both ends, with a documented cushioning angle of 2°.

Applications

Pneumatic rotary positioning systems
Automated assembly machinery
Workpiece turning mechanisms
Material handling equipment
Packaging and processing machinery
Indexing and swivelling mechanisms
Machine automation systems
Limited-angle rotary motion applications

Purchase Information

We support online purchase of the FESTO DSM-40-270-P-FW-A-B Semi-Rotary Drive. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.

Frequently Asked Questions

What is FESTO DSM-40-270-P-FW-A-B?
It is a double-acting pneumatic semi-rotary drive with a vane design, flanged shaft and position detection via proximity switch.

What is the FESTO part number?
The documented part number is 547587.

What is the swivel angle?
The documented swivel angle and rotation adjustment range are 0° to 270°.

What torque does the actuator provide?
The documented theoretical torque is 20 Nm at 6 bar.

What is the operating pressure range?
The documented operating pressure range is 1.5 to 10 bar.

What pneumatic connection does it use?
The documented pneumatic connection is G1/8.

What type of shaft does this model have?
The FW configuration uses a flanged drive shaft.

Does DSM-40-270-P-FW-A-B support position detection?
Yes. Position detection is provided via a suitable proximity switch.

What type of cushioning is used?
The actuator uses elastic cushioning rings or plates at both ends.

What is the ambient temperature range?
The documented ambient temperature range is -10°C to +60°C.

Can DSM-40-270-P-FW-A-B replace another rotary actuator?
It can be considered after the complete model number and technical requirements have been checked. Swivel angle, torque, operating pressure, shaft design, pneumatic connection, mounting and allowable loads should be verified against the existing system requirements.

What should be checked before ordering?
The pneumatic, mechanical and installation requirements should be checked before ordering, including the complete model number, 270° swivel range, 20 Nm theoretical torque at 6 bar, G1/8 connection, flanged shaft and required position-sensing arrangement.

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