Tire manufacture requires kneading, or mixing, of the rubber combined with other ingredients. This operation is performed on a Banbury mills.
The next process is through a variety of mills, in which the rubber is again passed through opposing rolls and heated by friction. These rolls use hot water or low pressure steam to elevate the temperature of the rubber.
The rubber is then diverted either to a tread tuber or sheeting mill. Tubers use unions on extruder screws. Unions are also required on the rolls of sizing mill or sheeter.
After the sheeter the rubber is processed through calendaring rolls which use unions for heating the rubber until it becomes workable. Calenders use various size unions.
In addition to the rubber, many tire plants make cord of polyester, glass fiber or steel. Water and steam unions are used on the equipment which manufacture these components.
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Most common media used for cooling in a variety of applications including printing, plastics, tire and rubber, steel, and aluminum casting
Common media that expands the temperature range of water for both heating and cooling, primarily rolls
Media used for pneumatic applications that transmit air at specific pressures or volume, including clutch, brake, machine tool, holding, clamping
Media used for applications that deliver fluid pressure for actuation, clamping, and, indexing
Media used for hydraulic applications that deliver fluid pressure for actuation, clamping, indexing; brake fluid requires unique sealing technology vs. hydraulic
Most common media for machine tool applications; through-spindle coolant dispenses at the cutting surface for greater efficiency than flood cooling
Minimum quantity lubrication or MQL is a mixture of air and coolant prevalent in machine tool applications
Media used for heating of rolls for a variety of applications including plastics, paper, tire, and rubber
Media used in heating applications, primarily rolls for paper, corrugating, converting, tire and rubber, and food processing
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