Thermoplastic gear applications have expanded from low-power, precision motion into more demanding power transmission needs, even in such difficult environments as automotive engine compartments. Thermoplastics have supplanted metals in a number of applications, beginning historically (as might be expected) with the replacement of die cast metal gears. The range of applications has expanded as thermoplastics have proved their worth, and they are now increasingly specified for a growing number of more demanding applications.
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