Jun 09 2011
Dancer Control
Dancer control products are used to monitor web tension within heavy duty motor applications. Industrial facilities often use a dancer with a dancing reel along with a motor drive to control tension, speed and torque. These are commonly used with industrial winding machines. Typical uses for winding machinery include winding paper, labels and plastic sheets, printing and wire drawing. The machine’s purpose is to take-up or release a web to and from the reel. In dancer control, a non-contact potentiometer may be placed on the dancer to monitor the tension and make sure the machine continues to operate smoothly.
There are several ways dancer control can be implemented, such as 100 percent PID control, dancer trim, PID trim control and shunt field trim. Some need-to-know questions to ask when buying a dancer control product include:
- What type of dancer position sensor will be used and what type of signal is provided?
- Is 100% of the reference signal provided to the drive by the dancer, or does it provide a lower percentage trim or correction?
- what is the maximum line speed for the material and how much running time storage does the dancer control mechanism provide?
- Will it provide a variable or fixed operating tension level?
- Is taper tension control a necessity?
Research the web to find affordable, high quality dancer control products that address all the common issues. Carotron, for example, manufactures a non-contact sensor dancer control product and the Dancer Duty Potentiometer, depending on the type of application. You can work closely with a distributor and/or manufacturer to find the right tension control product for your company.
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