2017 Latest Design TU-1D02 thermal wax actuator for air conditioner and compressor for Johannesburg Manufacturers
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2017 Latest Design TU-1D02 thermal wax actuator for air conditioner and compressor for Johannesburg Manufacturers 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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press release (in Japanese)：https://www.akg.t.u-tokyo.ac.jp/archives/category/news
“Electric Phase-change Actuator with Inkjet Printed Flexible Circuit for Printable and Integrated Robot Prototyping”
Kenichi Nakahara, Koya Narumi, Ryuma Niiyama, and Yoshihiro Kawahara
The University of Tokyo
This work was supported by ERATO, JST.
Abstract
The integrated fabrication of body structures, actuators, sensors, and electronic circuits into one robot system is an open problem in robotics. Simple and rapid construction of electric actuators in the body through existing approaches is difficult. We take advantage of the liquid-to-gas phase change , and propose an electric phase-change actuator comprising a printable fluidic actuator controlled by an inkjet printed electric heater. The actuator can easily be integrated with origami robots. We theoretically analyze the dynamics of electro-fluidic conversion in the actuator and compare it with actual measurement data. The proposed actuator is verified in real examples of a shape-shifting origami structure and a robot gripper with a printed touch sensor.
Publication
Kenichi Nakahara, Koya Narumi, Ryuma Niiyama, Yoshihiro Kawahara, “Electric Phase-change Actuator with Inkjet Printed Flexible Circuit for Printable and Integrated Robot Prototyping,” IEEE International Conference on Robotics and Automation (ICRA) 2017, to appear on May 30, 2017.
