Gearboxes suit explosive atmospheres
A
Renold Gears product story
Edited by the Engineeringtalk editorial team
Dec 14, 2005
Renold Gears launches shaft mounted helical reduction gearboxes with flanges for direct mounting of IEC and Nema motors.
Renold Gears has launched shaft mounted helical reduction gearboxes with flanges for direct mounting of IEC and Nema motors.
The hardened and ground helical gears are housed in a lightweight aluminium casing that is vacuum impregnated with resinol and then filled with lubricant.
The resinol, combined with high temperature nitrile seals, keeps the lubricant in the box making the RF range maintenance free.
There are oversized bearings on the input and the output shafts for frequent stop-start applications and to accommodate maximum output bore diameters.
The aluminium casing has been machined to allow the mounting of accessories and is customised to suit user requirements.
The units are for use in applications with Atex certification for explosive atmospheres and with stainless steel components for use in the food processing industries.
The four sizes have ratios from 8:1 to 300:1 with two and three stage helical reductions.
Output torque is from 15 to 850Nm and power ratings are up to 7.5kW.
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