Majority of machines being used in production of rubber are equipped with auxiliary motors. These motors are typically used to power additional equipment mounted on the machine, apart from the main motor which generates electro-mechanical rotary motion to drive a the main shaft of the machine.
For example, an auxiliary motor is used to operate a nip adjustment mechanism on the rolls of a mixing mill or rubber calender. It also used to operate roll bending mechanism that is actuated on roll joints in order to compensate for elastic deformation.
Another representative example is a set of small auxiliary motors that operate parts of the accompanying line in rubber calendaring process. For instance, these motors operate the heating / cooling drums as well as wind-ups stations.
At the final stage of tire production, green tires are loaded into tire curing presses to solidify the tire and form its final shape according to the mold pattern. Some models of tire curing presses include segmented molds. These segmented molds allow extend the range of tire design and sizes. The mechanism is working by an auxiliary motor-gearbox system that converts the cylindrical rotary action into linear and by that adjusting the mold height inside the curing chamber.
Generally, Auxiliary motors play a very important role in reducing the burden on a main motor. Being a small motor, they consume less power and hence reducing burden on the main motor, resulting in less wear, tear and consequently minimizing maintenance costs while gaining lifespan.
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