• Nath Axis Controls

Aluminium Casing Reducers

Aluminium casing reducers from Bonvario Eurodrives are manufactured with high quality material in order to guarantee the maximum reliability and strength for long life. Worm shaft are made of steel, which are case hardened to 58-60 HRc and profile ground. The thread grinding in the gear ratios that the module value permits is carried out with ZI- profile. This improves the contact between the toothed surface and therefore performance. This also reduces operating noise of the gearbox. The worm wheel has a G20 cast iron hub onto which a casting in A131 bronze RIM is fitted. To guarantee long life, ball bearings of reputed make are used. Bonvario aluminium casing BL series speed reducers are available in 10 sizes from 25 to 150 and meet the requirements of drives up to 15 kW. A range of standard ratios from 7.5 to 100 gives wide choice of output speeds. These reducers are available in universal mounting and can be mounted in all directions. BL series gearbox housing and flanges are made out to aluminium alloy up to sizes 110 or above cast iron are used. This series of gearboxes is filled with synthetic oil grade ISO VG 320, which is virtually maintenance free and does not require oil change.