The yaw button is used to control the movement of industrial machinery. It is used as a motor-assisted control device by, for example, a contactor or a programmable controller. Applicable to heavy-duty negative, the shaft is connected to the motor. After the set number of revolutions is reached, the cam operates the switch, thereby starting the predetermined action. A turbine transfer device and a helical gear combine with one or more pairs of spur gears for motion transfer from the input shaft to the output shaft.
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The revolution ratio ranges from 1:1 to 1:9400, depending on the different gear combinations between the input shaft and the output shaft, and the gear combination is connected to the cam that causes the switch to operate. The drive shaft and gear drive shaft are made of stainless steel to avoid oxidation or wear. The gears and drive bushings are made of self-lubricating thermoplastic material and are properly screened to minimize wear and maintain the accuracy of the coupling over time. The die-cast aluminum base of the limit switch is highly resistant, and the spherical bearing optimizes shaft rotation and prevents friction.
Thanks to the cam adjustment screw, each cam can be set with high accuracy. The auxiliary switches are all forward-opening type and therefore meet the requirements for safe operation.
The cam switching device can replace a potentiometer for connection to an electronic device. Different ratios of revolutions can be set for each output of the limit switch in order to control the machine in a variety of ways and to meet specific requirements.
All materials and components have good abrasion resistance, and the equipment has good waterproof and dustproof performance.
The limit switches can be connected directly to the motor via flanges and can be individually designed according to customer requirements.
Features:
- The world's largest yaw angle limit switch and controller provider - TER
- The yaw position controller uniquely designated by world-class wind turbine manufacturers such as VESTAS, GE, GAMESA, ENERCON, and SUZLON;
- Proven continuous operation for 20 years without replacement; - Cam switch gear ratio can be customized according to customer requirements;
- High reliability and high precision that does not decay with time are the distinguishing features of the TER yaw controller;
use:
-Pitch position and limit switch: Small rotary limit switch with internal encoder for wind turbine pitch system, which can provide high precision pitch angle, which can be used as angle input of pitch servo motor Signals can also be used as redundancy.
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