Rotary Solenoid

Rotary solenoids are devices that produce a uniform magnetic field when an electrical current is applied to them. They consist of a coil of wire, wrapped around a metal core. The metal core is mounted in the centre of a disc. This has grooves on its underside to match up with slots in the body of the solenoid, and ball bearings to enable easier movement. 


Rotary solenoids use the same principle as linear solenoids, but the core in linear solenoids exerts a push-and-pull force rather than a rotational force.  


How do rotary solenoids work?

When an electrical current is applied, the metal core is drawn backwards into the coil. With the help of ball bearings, the disc rotates towards the positive magnetic field, giving the device rotational force. When the current is switched off, a spring on the disc swiftly rotates it back to its original position, also pulling the core out of the coil.


What are rotary solenoids used for?

Rotary solenoids were originally developed for use in defence, but are nowadays often found in industrial machinery such as lasers and shutters, as they're more robust than other types of solenoids.



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Omschrijving Prijs Maximum Rotary Stroke Action Duty Cycle Diameter Length Weight Closed Power Continuous Supply Voltage Coil Resistance Series Wire Size
RS-stocknr. 884-3013
FabrikantnummerH-3084-031
FabrikantJohnson Electric
120,07 €
Each
Aantal stuks
- Rotary Continuous 40 mm 28.8mm 198.4g - - 56.7Ω 4E Series -
RS-stocknr. 173-6480
Fabrikantnummer810-282-330
FabrikantJohnson Electric
138,28 €
Each
Aantal stuks
45° Rotary 25% 33.3 mm 47.55mm 113.4g 40W 28 V dc 18.4Ω 3B 30AWG
RS-stocknr. 173-6483
FabrikantnummerH-2168-032
FabrikantJohnson Electric
180,81 €
Each
Aantal stuks
25° Rotary - 28.6 mm 25.83mm 56.7g - - - 2E 32AWG
RS-stocknr. 173-6484
FabrikantnummerH-2346-032
FabrikantJohnson Electric
180,81 €
Each
Aantal stuks
25° Rotary - 28.6 mm 25.83mm 56.7g - - - 2E 32AWG
RS-stocknr. 173-6481
FabrikantnummerH-15021-028
FabrikantJohnson Electric
180,81 €
Each
Aantal stuks
67-1/2° Rotary 25% 39.7 mm - - - - - 4E -
RS-stocknr. 883-1760
FabrikantnummerC5-270-B-1
FabrikantJohnson Electric
12,24 €
Each
Aantal stuks
- - - - 23.8mm - - - - - -
RS-stocknr. 173-6493
FabrikantnummerH-2744-032
FabrikantJohnson Electric
180,81 €
Each
Aantal stuks
- Rotary - 28.6 mm 25.83mm 56.7g - - - - 32AWG
RS-stocknr. 173-6470
Fabrikantnummer195190-032
FabrikantJohnson Electric
248,81 €
Each
Aantal stuks
- Rotary 25% 30.2 mm - 85g 40W 27.8 V dc 19.26Ω - 32AWG
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