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The worm gears made by EP are square and are considerably versatile for installation. The machining of the components, completed using numeric control machines, guarantees maximum precision for the limited tolerances, making a product which will remain reliable over time. The organizations are constructed with aluminium casings from sizes 025 to 090, as the sizes 110, 130 and 150 are made from cast iron. All of the bodies are painted with RAL 9022 aluminium color to protect the parts from aging and also to give better safety against microblowholes which may be within the aluminium. The gears are given at least one filling connect that is also used during screening to check for possible leaks. A connection flange allows two gears to be combined in order to obtain high equipment ratios. Four sizes of CHPC pre-stage gears can be found to set with the gears; they are also constructed in aluminium and are painted like the worm gears
Gears that are given mounting flanges should be assembled with motors whose shaft and flange tolerances match a “normal class” of quality to avoid vibration and forcing of the insight bearing. Motors given by Chiaravalli Group S.p.A. guarantee that this necessity is fulfilled. For simple consultation, the correspondence of how big is the B5 and B14 motor 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 CHM – WORM GEARED MOTORS AND WORM GEAR UNITS individual from the body it is also possible to possess a shaft / flange combination that will not match the table, electronic.g. 19/140, therefore offering adaptability for various other non-unified models such as the brushless or immediate current types.