Specialist in corundum grinding
The traditional Brazilian brand ZEMA joined the JUNKER Group in 2015. Founded in 1953, the company has specialized in the production CNC grinding machines with corundum grinding wheels.
ZEMA produces ingeniously engineered machine concepts in its location in São Paulo – for grinding workpieces such as gear, turbocharger and articulated shafts, crankshaft,
flanges and journals and also non-standard solutions.
ZEMA utilizes the worldwide sales and servicing network of the JUNKER Group and works predominantly for customers from the automotive and tool industry.
ZEMA grinding machines:
First-Class Shaft Grinding
Versatile, rugged, long-life – the cylindrical grinding machines of the NUMERIKA series meet any requirements for the series production of a broad range of workpieces. A torsion-resistant machine bed, hydrostatic guides and grinding spindles mounted on rolling or hydrostatic bearings provide for perfect grinding results. The user-friendly control system offers all required input screens for grinding with corundum.
Heavy shafts easily ground
Up to 4.5 meters long and weighing several tons – the KARGO series tirelessly masters grinding shafts of this size. The various sizes and wheelhead versions make this machine ideal for grinding external and internal diameters as well as faces, threads, and tapers on heavy workpieces.