Proportional Solenoids and Wet ON-OFF Solenoids
The conventional solenoid is a digital device, meaning the plunger is either in the energized or de-energized position. Proportional solenoids, however are an analog device, allowing for incremental positioning. This feature is made possible by a unique design of the magnetic pole configurations and the addition of a return spring supplied in your application. Thus the position of the armature is controlled by varying the input current to
the coil. The more current that is applied to the coil, the further the armature moves in its stroke (toward the pole piece). Our proportional solenoids provide stable output force characteristics with low hysteresis and a fast response time for a wide variety of applications, especially for hydraulic applications.
At these intersections the forces are balanced (the solenoid's output force is equal to the spring load). This
means that with a coil current of i², a balancing force by
the spring against the plunger is equalized with the
resulting position of S². When varying the coil current to i², the plunger moves to a new “balancing” position S¹.
By varying the coil current, the plunger positioning can
be controlled and moved “proportionally” to different
positions by controlling the coil current. However, in
actual applications, consideration has to be given to the
influences of load variation, hysteresis and temperature.
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Supplier and Product Introduction |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017/08/09 |
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219 KB |
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