2017 Latest Design TU-1H02 thermal wax actuator for thermostatic radiator valve for Japan Factories
2017 Latest Design TU-1H02 thermal wax actuator for thermostatic radiator valve for Japan Factories 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.
(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.
Product detail pictures:
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How to do a Relay Power Door Lock
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Power door locks have been around for many year, but manufacturers use different wiring schemes. One wiring scheme is resistive rest at ground, which has been used in the past by various manufacturers including Ford Motor Company. Resistive rest at ground is meant to keep both power door lock solenoids grounded, and then a positive pulse is applied when needed.
The power door solenoid or actuator is nothing more than a DC motor type component, which changes the direction of the lock actuation by reverse polarity. In other words, the door lock is actuated by reversing the polarity going to the solenoid. Here is where a relay becomes a very versatile controller of sorts.
Here’s how the circuit works:
Power is fed from the fuse to terminal 85 of the relay coil. This right away tells us that the relay actuation is going to be by ground, which is a lot safer. From the fuse, power is also fed to terminal 87 of the relay. This is a variation of how we normally connect terminal 30, which normally goes to power. But, not here where terminal 30 is used as an output. Terminal 87A is connected, on both relays, to chassis ground.
In this configuration, both relays connect the …. Get the whole story right here in this video…Enjoy…
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The Original Pancake® Air Cylinder was designed in 1958 by Alfred W. Schmidt, the founder of Fabco-Air, Inc. Today, over 5 decades later, Fabco-Air offers a complete line of rotary actuators and pneumatic slides.
Fabco-Air Website: http://www.fabco-air.com
Slides Page: http://www.fabco-air.com/products/slides.html
Rotary Actuator Page: http://www.fabco-air.com/products/rotary/rotary.html