professional factory provide TU-1J02 thermal wax actuator for electric switch valve for UAE Importers
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professional factory provide TU-1J02 thermal wax actuator for electric switch valve for UAE Importers Detail:
1. Operation Principle
The Thermostatic Wax that has been sealed in shell body induces expansion by a given temperature, and inner rubber seal part drives its handspike to move under expansion pressure to realize a transition from thermal energy into mechanical energy. The Thermostatic Wax brings an upward movement to its handspike, and automatic control of various function are realized by use of upward movement of handspike. The return of handspike is accomplished by negative load in a given returned temperature.
2. Characteristic
(1)Small body size, occupied limited space, and its size and structure may be designed in according to the location where needs to work.
(2)Temperature control is reliable and nicety
(3)No shaking and tranquilization in working condition.
(4)The element doesn’t need special maintenance.
(5)Working life is long.
3.Main Technical Parameters
(1)Handspike’s height may be confirmed by drawing and technical parameters
(2)Handspike movement is relatives to the temperature range of the element, and the effective distance range is from 1.5mm to 20 mm.
(3)Temperature control range of thermal wax actuator is between –20 ~ 230℃.
(4)Lag phenomenon is generally 1 ~ 2℃. Friction of each component part and lag of the component part temperature cause a lag phenomenon. Because there is a difference between up and down curve of traveling distance.
(5)Loading force of thermal wax actuator is difference, it depends on its’ shell size.
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Researchers at NC State have developed a method called ‘ionoprinting’ with the capability to pattern and actuate hydrated gels in two and three dimensions by locally patterning ions using electric fields. The ability to pattern, structure, re-shape and actuate hydrogels is important for biomimetics, soft robotics, cell scaffolding and biomaterials.
The ionic binding changes the local mechanical properties of the gel to induce relief patterns and in some cases evokes localized stresses large enough to cause rapid folding. These ionoprinted patterns are stable for months, yet the ionoprinting process is fully reversible by immersing the gel in a chelator. The mechanically patterned hydrogels exhibit programmable temporal and spatial shape transitions and serve as a basis of a new class of soft actuators able to gently manipulate objects both in air and in liquid.
The paper, “Reversible patterning and actuation of hydrogels by electrically assisted ionoprinting” is co-authored by Etienne Palleau, Daniel Morales, Michael Dickey and Orlin Velev and published in Nature Communications.
The work was supported by the National Science Foundation Triangle MRSEC program and the French DGA.
