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Die Foundry Bassoli relies on KMGs and CT from WENZEL
Fonderia Bassoli has been using WENZEL measurement solutions for the quality assurance of its die-cast parts since 2011. Eight WENZEL coordinate measuring machines (CMMs) from the LH series now ensure process optimization in quality control in modular measurement rooms. Another coordinate measuring machine with a 3D laser sensor is located in the measurement laboratory. The same applies to an eXact M industrial computer tomograph for looking into the interior of the components.
The parts manufactured by Fonderia Bassoli are die-cast parts of various sizes, weighing from 50 grams to 9 kilograms, for mechanics, electromechanics, agriculture, electronics and many other industries. The dimensional tolerances of the machined parts are of the order of around 13 micrometers.
By using WENZEL CMGs, which are directly integrated into automatic rotary islands, the Italian company based in Luzzara was able to significantly reduce measurement times and thus increase the frequency of measurements and thus productivity. In addition, in the event of tolerance deviations, preventive and corrective action can be taken in real time via the interface between the WENZEL CMM and the machine tool.
Before the WENZEL KMGs were introduced, manual measuring devices were used online, supported by random testing on a three-dimensional measuring device located in the technical office. Although the production batches were much smaller than today, waiting for the results of the measurements could lead to dimensional deviations and rejected parts.
At the start of the first project, various measurement technologies available on the market were investigated: stylus masks, laser scans, optical cameras and much more. The aim of Fonderia Bassoli was to maintain a certain degree of versatility in quality assurance without sacrificing measurement accuracy and repeatability, even taking into account the location of the measuring devices. The choice was made for a traditional coordinate measuring machine, which met all of these requirements, in particular flexibility.
The WENZEL KMG was equipped with a motorized measuring head and a probe adapted to the required tolerances. In addition, four pneumatic stabilizers were installed under the granite plate as vibration damping to eliminate the vibrations emitted by the production machines. From a thermal point of view, the machine is housed in an insulated, modular and air-conditioned cabin to ensure a constant temperature during the measurement phase.
In order to be able to measure and test the internal characteristics of the components without destruction, the measurement laboratory was built by a industrial computed tomography eXact M from WENZEL extended. The eXact M is based on a workstation concept that combines high X-ray performance and high scan speeds in a small space. The CT workstation eXact M has an integrated evaluation unit in an ergonomic desk workstation.
The decision in favour of WENZEL over the competitors was based on the high product quality, the cost-effectiveness of the overall solution and the solidity of the Wiesthaler Company hit. However, the interface between measurement system, machine tools and robots was particularly convincing. In the event of a change in production or in the implementation of the measurement program, it is thus possible to intervene quickly and easily as required.
FONDERIA BASSOLI M. S.R.L. is a mining and metals company based in Luzzara, Italy and was founded in 1957 by Marsilio. In 1961, his sons Franco and Bruno joined the company. Technological development began shortly after, with the purchase of the first die casting machine.
As a result of continuous growth, the company needs more space to expand and moved to new facilities in Luzzara in 1989. In 1998, the range of services was expanded by setting up a new department for the mechanical processing of the produced castings.
To date, Fonderia Bassoli has 22 automatic die casting cells with variable tonnages of 200 to 1,000 tons, a tool department with 5 machining centers with 3 to 5 axes, a technical office with 3D software for internal mold planning and equipment, and a mechanical processing department with 10 robotic turning islands and 3 vertical processing centers. Quality assurance takes place on 8 coordinate measuring machines in automatic process machines. The measurement laboratory has another coordinate measuring machine with a 3D laser sensor and an eXact M industrial computer tomograph for looking into the interior of the components.
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