PARALLEL TYPE

Although the gearbox range is high for inverse direction double screw extruders, Zambello continously upates both standard products and special customer rpoducts

NRB Series –  with torque density of more than 17 Nm/cm3 transmitted per shaft

NRB Series gearboxes are in horizontal position to be connected to electrical motor with belt drive. It has drive ratio range of i:25 at maximum. 

ZT3 Series – with torque density of more than 17 Nm/cm3 transmitted per shaft

Though ZT3 Series geaboxes have the same qualities with NRB series, it has a vertical assembly position. In this case, the connection between the gearbox and the electrical motor is provided with a flexible coupling. In U placement, with electric motor connectivity an extruder can be placed. Drive ratios can range between i:14 to i:80.

æç

TST (Double Super Torque) series – have two versions.

It provides high performance values for TST-H and TST-2H series.

TST-H Series – with torque density of more than 22,5 Nm/cm3 transmitted per shaft

TST-2H series gearboxes are the best, advanced technology products used in heavy work. Torque transmission is provided with double inverse unit. Drive ratios can range between i:14 and i:80.

Bevel Type

Zambello suggests new ZC3 series for bevel double screw extruders, to complete the gearboxes for inverse direction double screw extruders. They are available now in 3 body options for extruders with 55 mm, 65 mm, 80 mm screw diameters. As the main feature, these gearboxes form of bevel gears in accordance with AGMA 11-DIN. As well as other Zambello products, gearboxes of ZC3 series transmit high level of torque.

Application Sample

• Component (granules)
• Citizen construction products
• PVC products (doors, windows, pipes)
• Granules
• Petrochemistry products