Walter Maschinenbau advised that its Helitronic Micro tool and cutter grinder provides the most precise grinding results in a range of diameters from 0.1mm to 12.7mm.
Walter Maschinenbau in Germany said that the development of micro tools has seen a rapid upswing in recent years.
They are used for machining the smallest components, such as micro dies, graphite electrodes and toothed wheels.
These components are used in the electronics, medicine and dentistry industries.
The tools require the highest degree of precision.
Walter told manufacturingtalk that the surface quality of the micro tools has a considerable influence on the service life and on the quality of the workpiece machined.
* Tool and cutter grinding - the Helitronic Micro tool has a machine bed made of mineral casting and linear motor drives in all machine axes to give most precise grinding results for a range of tool diameters from 0.1mm to 12.7mm.
The machine also has six CNC grinding axes.
The linear motors and a high-resolution absolute measuring system produce highly precise movements with simultaneously high dynamics, said Walter.
Both features are necessary for obtaining the highest degree of precision and cost-effective manufacture of micro tools.
* Grinding wheel head - the grinding spindle head, which can be equipped either with two or three grinding spindles, guarantees a high degree of flexibility.
The optional automatic X' axis allows for the precise positioning of the tools close to the centre of rotation.
Additional guiding and support of the workpieces by hydraulically activated stationary supports with fine adjustment ensure high dimensional accuracies with rapid feed rates.
A full radius milling cutter with a diameter of 0.5mm, was mac hined on the Helitronic Micro.
The inspection of the surface quality was then measured on the Helicheck Plus machine .
Results showed excellent surfaces on the lateral cutting edges as well on the face.
The Helitronic Micro exhibits a high level of process safety, even during continuous operation.
During series production, the deviations according to tool diameter vary within only 1-2 micron, said Walter.
The Helitronic Micro ihas the latest version of the Walter Helitronic Tool Studio software.
Thanks to the simple user instructions and the high flexibility, nearly any tool geometries can be machined.
The machine can also be equipped with an integrated loading system served by a 6-axis robot.
The robot can also be used for other tasks as well as machine loading/unloading.
* About Waltermaschinenbau - Walter Maschinenbau has been producing tool grinding machines since 1953.
The company established itself as the world market leader with the launch of the Helitronic series in 1994.
Walter produces CNC machines under the name Helitronic for grinding and/or eroding of rotationally symmetrical precision tools, including PCD tools, for the metal and wood processing industries.
The Helitronic name stands for cutting-edge technology worldwide in tool grinding and tool eroding.
The production range is supplemented by the CNC Helicheck measuring machines for non-contact complete measurement of complex precision tools and rotationally symmetrical parts in one setting with documented precision.
Our success is the success of our customers - who expect the maximum from us in terms of quality, precision, productivity and service.
We offer an ideal product range covering the entire spectrum of requirements for both tool manufacturers and resharpening companies.
Our primary task is boosting our customers' productivity.
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