Custom Built Heavy-Duty Gearboxes for Rubber & Plastic Industries

Kumera is a prominent producer of calender, extruder and rubber kneading gear units to meet the strictest requirements for the rubber and plastics industry.

We work for well-known plant constructors and tyre manufacturers world wide. Traditional and safe supplier for food industry We repair, overhaul and optimise gear units, including those from other manufacturers. In this way, we ensure smooth running and good adhesion. Our main products for the rubber and plastic industries are gearboxes for continuous mixers which are featured with oscillating shaft movement.

Products for Rubber & Plastic Industry:

Mixer Drives

Kumera Design & Engineering:

Kumera Corporation acquired Keller Getriebe in 2019 and continues the development of custom-built heavy-duty gearboxes.
State of the art 3D
Calculation of bearings, shafts, connecting elements etc. according to current standards and regulations, using the latest programmes Design and recalculation of gearing in accordance with a wide range of standards, regulations and classification societes, e.g. according to DIN3990, ISO6336, AGMA, BS, Henriot, ABS, BV, GL etc. with the most advanced programmes such as FVA-STplus
Calculation of tooth engagement load distribution with FVA-RIKOR and Plancor Efficiency and heat balance calculations
Dynamic simulation & FEM calculations