ZEMA grinding machines
Specialist in corundum grinding
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.
Corundum grinding machines – versatile, robust, durable
The corundum grinding machines fulfill the requirements of series production for a wide range of different workpieces. The CNC grinding machines grind elements such as flanges and journals on crankshafts as well as gear, turbocharger and cardan shafts with the utmost precision and reliability.
The NUMERIKA model range is designed for the series production of a wide variety of different workpieces – up to a length of 3.50 meters in the biggest model.
The cylindrical grinding machine KARGO takes ultra-heavy workpieces such as shafts for generators or electric motors with weights of up to six tons easily in its stride.
Rounding off the range are the FLEXA corundum grinding machines, which are capable of solving up to three grinding assignments with the utmost precision. Whether internal or external grinding and even thread grinding: the modular design of the robust FLEXA series makes it ideal for medium-sized production runs.
HIGHLIGHTS
- Perfect grinding results
- Robust machine bed
- Hydrostatic guides
- Grinding spindles on roller or hydrostatic bearings
- User-friendly control system
- Outstanding surface quality
- Integration in production lines
- High degree of automation
- Automatic loading and unloading systems
Our experts will provide you with an overview of our wide-ranging portfolio
We would be happy to advise you on individual requirements such as process optimization, digital networking, and tailor-made machine concepts.
We would be pleased to invite you to our headquarters in Nordrach, where you can see the outstanding properties of JUNKER machines for yourself.
In our technology centers, you can carry out exhaustive testing using your own workpiece to assess the technical and economic performance of a machine.
Company History
1953
Mr. Zselics founded the mechanical workshop São José for the production of mechanical parts, assemblies and devices for other companies
1962
The company name changed to Zselics & Cia., an operating machine factory, starting the manufacturing of the Zema milling machine
1968
Always working in the mechanical construction sector started production of universal milling machines and parallel lathes, totaling approximately 4,000 machines scattered throughout Brazil
1972
A major expansion occurred when the company was moved to Riacho Grande in São Bernardo do Campo, SP in an land area of 280,000 sq.m, in a covered area of 10,000 sq.m
1979
The company has expanded its product range to produce a line of surface grinding machines and internal cylindrical with Know-how acquired a traditional European company
1982
Launch of Numerika External cylindrical CNC Grinding line
1988
Creating Retrofitting Division
1990
Development of specific grinding machine for heavy Crankshafts
1990
It is the beginning of the first exports to Europe and USA
1994
Began to be exported the first grinding machines for: USA, ITALY, FRANCE and CANADA
1999
Supply a series of machines to grinding of Injection Nozzle with high level of automation
2001
Launch a new line machines, Futura, Pratika, Intertronika
2003
Zema - 50 years
2004
ISO 9001 – 2000 certification
2010
Supply a grinding machine with double (B axis) to grinding tungsten carbide parts
2015
Qualified majority in Zema Zselics Ltda., Brasil
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