04 December 2024, 14:24
Media66
By Furniture & Joinery Production Aug 16, 2024

Tool manufacturing around the clock with Vollmer Automation

Based in Lower Bavaria, Huber GmbH CNC-Präzisions-Werkzeugschleiferei has for 30 years 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 they completed their 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.

Huber GmbH has made a name for itself in the industry by manufacturing high-quality, durable and cost-effective standard and special tools, resharpening circular and band saws, as well as knives, and reliably supporting customers with its services. 

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 which ensures significant improvements in carbide tools’ operating life and performance.

“When it comes to sharpening machines, we have relied on the technological expertise of the VOLLMER Group since our company was founded,” says Andreas Fröhlich. “We currently have five VOLLMER machines in use – our most recent purchase was a VGrind 360S last year.

Fulfilling order volumes with the new VOLLMER machine

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 high-performance 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.

VGrind 360S: quick and precise

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,” says Yannick Geisinger, Area Sales Manager Germany South and Switzerland at the VOLLMER Group.

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www.vollmer-group.com

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