EP also sells gear tooth measuring products called Equipment GAGES! Gear Gages decrease mistakes, save money and time when identifying and ordering gears. These pitch templates are available in nine sets to identify all the standard pitch sizes: Diametral Pitch “DP”, Circular Pitch “CP”, External Involute Splines, Metric Module “MOD”, Stub Tooth, Fine Pitches, Coarse Pitches and Uncommon Pitches. Refer to the section on Equipment GAGES for catalog numbers when ordering.

MATERIAL recommended for worms is usually hardened steel and bronze for worm gears. However, depending on the application form unhardened steel worms operate adequately and more economically with cast iron worm gears at 50% horsepower ratings. In addition to metal and hardenedsteel, worms can be found in stainless, aluminium, bronze and nylon; worm gears are available in steel, hardened metal, stainless, aluminium, nylon and non-metallic (phenolic).

Protection PROVISION: Worm gearing shouldn’t be used because a locking mechanism to carry weighty weights where reversing action could cause harm or damage. In applications where potential damage is nonexistent and self-locking is preferred against backward rotation after that use of an individual thread worm with a low helix angle immediately locks the worm equipment drive against backward rotation.

RATIOS of worm gear sets are dependant on dividing the amount of teeth in the gear by the number of threads. Thus single threads yield higher ratios than multiple threads. All EP inc. worm equipment sets are available with either still left or right hand threads. EP inc. worm gear sets are offered with Single, Dual, Triple and Qua-druple Threads.

LUBRICATION can be an essential factor to improve efficiency in worm gearing. Worm gear action generates considerable temperature, decreasing efficiency. The amount of power transmitted at a given temperature increases as the effectiveness of the gearing boosts. Proper lubrication enhances performance by reducing friction and warmth.

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