The worm gears made by EP are square and are considerably versatile for installation. The machining of the elements, completed using numeric control machines, guarantees optimum precision for the limited tolerances, producing a product that may remain reliable as time passes. The groupings are constructed with aluminium casings from sizes 025 to 090, as the sizes 110, 130 and 150 are made from cast iron. All the bodies are painted with RAL 9022 aluminium colour to safeguard the parts from aging and to give better protection against microblowholes which may be present in the aluminium. The gears are CHM – WORM GEARED MOTORS AND WORM GEAR UNITS supplied with at least one filling connect that is also used during screening to check for possible leaks. A connection flange allows two gears to end up being combined to be able to obtain high gear ratios. Four sizes of CHPC pre-stage gears are available to set with the gears; these are also built in aluminium and are painted just like the worm gears
Gears that are supplied with mounting flanges must be assembled with motors whose shaft and flange tolerances correspond to a “normal class” of quality to avoid vibration and forcing of the input bearing. Motors supplied by Chiaravalli Group S.p.A. guarantee that requirement is fulfilled. For simple consultation, the correspondence of how big is the B5 and B14 engine with the sizes of the shaft and the electric motor connection flange are shown in the following table. Understand that, as the engine connection flanges are individual from the body it is also possible to get a shaft / flange combination that will not correspond to the table, e.g. 19/140, therefore offering adaptability for various other non-unified models like the brushless or direct current types.


China Timing Pulley

As one of the leading timing pulley manufacturers, suppliers, and exporters of mechanical products, We offer timing pulleys and many other products.

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