When the availability of new tool materials marked the start of the development of hard turning in the early 1990s and it became possible to manufacture turning machines with sufficient deformation resistance, stability and precision to ensure flawless hard turning, the extent to which this process could become a genuine alternative to cylindrical grinding as a form of precision finishing was not yet clear. Hembrug Machine Tools B.V. from Haarlem is presenting the latest progress in this field at EMO Hannover 2017. The Dutch company is exhibiting two of its new Mikroturn hard turning machines at the world’s premier trade fair for the metalworking sector.
The Hembrug Mikroturn machines, which are used worldwide in a number of precision sectors - including the bearing, automotive, tool-making and die-making industries - will satisfy increased quality requirements and the desire for enhanced productivity. The high-quality, fully hydrostatic and ultra-precise hard turning machines developed and manufactured by Hembrug are intended to offer users complete control over the hard turning process and enable greater precision, productivity, flexibility and cost savings than cylindrical grinding. According to Hembrug Machine Tools B.V., the Mikroturn machines are capable of achieving dimensional accuracies to within 0.1 - 2 microns and a surface roughness of 0.1 - 0.4 Ra on hardened workpieces with a hardness of up to 68 HRC.