For 30 years, Huber GmbH CNC-Präzisions- Werkzeugschleiferei, which is based in Lower Bavaria, has been a medium-sized company repairing and manufacturing precision tools for the machining industry. The Eggenfelden company also develops and produces high-quality special tools, circular saws and band saws.
The VOLLMER Group’s sharpening machines have been part of the Huber machine park from the very beginning, and last year it completed its ensemble with a VGrind 360S grinding machine. Huber is using the VOLLMER machine and its 24/7 automation capability to boost the production of semi-standardised milling tools for the machining industry.
HIGH-PERFORMANCE
“We have come a long way since the foundation of our company in 1994, and we are now a strong German company with 30 highly motivated employees,” said Andreas Fröhlich, operations manager at Huber. “We must set a good example in the tool manufacturing industry in terms of quality, customer focus and employee satisfaction.”
Manufacturing high-quality, durable and cost-effective standard and special tools, resharpening circular and band saws as well as knives, and supporting customers with services is how Huber made its name in the industry. Its range of carbide tools includes high-performance milling cutters such as end mills, radius and ball end mills, torus cutters, special milling cutters and mould tools. It also offers personalised advice and services such as a coating service. By coating its tools with temperature-resistant and wear-resistant auxiliary materials, Huber ensures significant improvements in carbide tools’ operating life and cutting performance.
GERMAN STRONGHOLD
Huber is based in Eggenfelden, the largest town in the Lower Bavarian district of Rottal-Inn and is situated directly on the connecting line between Munich and Passau. The company supplies around 90% of its tools to customers in Germany, with the remaining products supplied to Austria, France, Italy, the Netherlands, Bulgaria and Slovakia. Huber generates a profit of around €2.7m a year, with customers primarily based in the metal and woodworking industries and also the machine, tool and mould making sectors.
“When it comes to sharpening machines, we have relied on the technological expertise of the VOLLMER Group since our company was founded,” said Mr Fröhlich. “We currently have five VOLLMER machines in use – our most recent purchase was a VGrind 360S last year.”
FULFILLING ORDER VOLUMES
Huber uses the VOLLMER CHD 270 machine and the Solution K850-T and KBN710 sharpening machines from Loroch – a company of the VOLLMER Group – to machine carbide-tipped and high-speed steel circular saws. Thanks to automation solutions, the machines typically run around the clock, grinding carbide-tipped circular saws with diameters of up to 840mm.
To meet the increasing demand for highperformance carbide milling cutters, Huber purchased a new VOLLMER VGrind 360S tool grinding machine in 2023. This investment has enabled Huber to expand the production of standardised cutting tools. Equipped with the VOLLMER HC4 chain magazine, up to 158 shank tools with different sizes and geometries can be automatically produced and machined.
“The VGrind 360S grinding machine with chain loader enables production around the clock, seven days a week, allowing us to fulfil our high order volume quickly and with high quality and precision,” said Christoph Ziegler, production manager at Huber. “As such, the VOLLMER machine is a perfect match for our guiding principle and self-imposed goal to deliver the best possible quality and precision ‘despite’ speed.”
Alongside automation, the decisive factor for Huber was that the VGrind 360S is suitable for ensuring consistently high-quality machining thanks to the wear-free linear induction motors on the X, Y and Z axes, and also reduces maintenance costs.
With two grinding spindles situated one above the other and the grinding wheel set positioned at the C-axis pivot point, the VGrind 360 tool grinding machine enables efficient multi-level machining. This means that machining times can be reduced thanks to the shorter travel distances of the linear axes, which is also beneficial in terms of the speed promised by Huber.
Spindles and motors are cooled by a plate heat exchanger. This increases thermal stability to improve both the precision and performance of the grinding process. Huber can minimise axial and radial run-out errors in the grinding wheel packages thanks to the integrated spindle indexing of the VGrind 360S. This means that the grinding machine is equipped with an orientated spindle stop, which always stops the end of the spindle at exactly the same position for changing the grinding wheel.
“Huber is a prime example of how we have been working with our customers in a spirit of trust and partnership for decades, and how we can provide ideal technological support for the growth of medium-sized tool manufacturers every step of the way,” said Yannick Geisinger, area sales manager Germany South and Switzerland at the VOLLMER Group.
“That’s why we at VOLLMER are doing everything we can to ensure that Huber can continue to use our machines and services to adapt to new market challenges in the future.”
