A "gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with a corresponding increase in torque.
A gear or cogwheel is a rotating machine part having cut teeth or, in the case of a cogwheel, inserted teeth (called cogs), which mesh with another toothed part to transmit torque. Geared devices can change the speed, torque, and direction of a power source. Gears almost always produce a change in torque, creating a mechanical advantage, through their gear ratio, and thus may be considered a simple machine. The teeth on the two meshing gears all have the same shape. Two or more meshing gears, working in a sequence, are called a gear train or a transmission. A gear can mesh with a linear toothed part, called a rack, producing translation instead of rotation.
Motors are used in all kinds of restaurant equipment to power beaters, blenders, slicers, basket lifts, filters, fans and much more. A motor converts one form of energy into mechanical energy. Electric motors convert electrical energy into mechanical motion, pneumatic motors use compressed air. A motor is a device driven by electricity, air, or hydraulic pressure, which does not change the chemical composition of its energy source.
Electric motors may be classified by considerations such as power source type, internal construction, application and type of motion output. In addition to AC versus DC types, motors may be brushed or brushless, may be of various phase (see single-phase, two-phase, or three-phase), and may be either air-cooled or liquid-cooled. General-purpose motor designs with standard dimensions and characteristics provide convenient mechanical power for foodservice equipment once customized to the exact OEM specifications (RPM, torque, magnet dimension, winding, etc.).
HOSHIZAKI is the world leader in the design, manufacturing, and marketing of a wide range of products for the foodservice industry including ice machines, refrigerators, freezers, prep tables, display cases and dispensers. Hoshizaki technical pocket guides are available here.
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