Factory wholesale price for TU-012 thermostatic cartridge wax sensor for sanitary ware to Bhutan Factory
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Factory wholesale price for TU-012 thermostatic cartridge wax sensor for sanitary ware to Bhutan Factory 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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TPI Corporation FHK212-1CA Portable Electric Infrared Heater, Pre Wired, Metal Sheath, 15′ Length Cord, Grounded Plug
Feature
* Radiant heater appropriate for spot heating of small rooms and work areas
* Infrared heating element helps provide greater energy efficiency than forced air heaters, with steel sheath for protection against vibration
* Freestanding steel enclosure is double-layered to help keep outer surface cool for safety, and has wire screens for protection of the heating element
* Single-phase, 120V wiring includes a power cord with a grounded plug and is compatible with some standard circuits
The TPI Corporation FHK212-1CA portable electric infrared heater has a freestanding steel enclosure that is double-layered to help keep outer surface cool for safety, has wire screens for protection of the heating element, and an infrared element that produces radiant heat appropriate for spot heating of small rooms and work areas. The infrared element is housed in a U-shaped steel sheath for protection against vibration. The reflector is made of gold anodized aluminum that helps provide efficient transfer of radiant energy into the room or workspace in a 60-degree symmetrical heat pattern. The 1.8kW heater heats up to 25/36 square feet (below/above 35 degrees) of non-protected area, or 40/50 square feet of a semi-protected area (below/above 35 degrees). The single-phase, 120V wiring includes a power cord with a grounded plug, is compatible with some standard circuits and requires ground fault protection. The unit weighs 18 lb. and can be used with temperature controls (sold separately). Electric heaters generate warmth through a central heating element that is housed in a reflective enclosure that concentrates the energy produced. An element made of a combination of metals produces heat or infrared energy by the electrical resistance created when an electric current passes through it. Fan-forced heaters pass air over the heating element to expel heat from the enclosure for greater throw and circulation. Radiant heaters do not use a fan, but warm nearby objects through energy transfer. A heater’s voltage and wiring should be matched to the electrical circuit where it is to be used. Heaters are used in a range of commercial applications that include shop floors, construction sites, and industrial buildings. All local electrical codes should be followed when installing permanent mounted electric heating equipment.TPI Corporation manufactures industrial and commercial electrical heaters, process heat ovens, ventilation products and fans, lighting equipment, and thermostatic controls. The company, founded in 1950, is headquartered in Johnson City, TN.
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“Design, development, and evaluation of an MRI-guided SMA spring-actuated neurosurgical robot”
by Mingyen Ho, Yeongjin Kim, Shing Shin Cheng, Rao Gullapalli and Jaydev P. Desai
International Journal of Robotics Research, 34(8): 1147-1163
https://bit.ly/1pr2f0x
ABSTRACT: In this paper, we present our work on the development of a magnetic resonance imaging (MRI)-compatible minimally invasive neurosurgical intracranial robot (MINIR) comprising shape memory alloy (SMA) spring actuators and tendon–sheath mechanisms. We present the detailed modeling and analysis along with experimental results of the characterization of SMA spring actuators. Furthermore, to demonstrate image-feedback control, we used the images obtained from a camera to control the motion of the robot so that eventually continuous MR images could be used in the future to control robot motion. Since the image tracking algorithm may fail in some situations, we also developed a temperature feedback control scheme which served as a backup controller for the robot. Experimental results demonstrated that both image feedback and temperature feedback can be used to control the motion of MINIR. A series of MRI compatibility tests was performed on the robot and the experimental results demonstrated that the robot is MRI-compatible and no significant visual image distortion was observed in the MR images during robot operation.
