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Multi-Sensor VCMM Achieves 96% Measuring Efficiency Increase

Williams Aerospace Engineering has invested in a Baty Venture XT CNC multi-sensor vision system to measure critical precision machined components manufactured at their facility in Southampton, UK. Specialising in 5 axis CNC Turn/Mill Centres, 4 axis Milling, Internal and External Gear and Spline cutting, Internal and External Grinding, Match Grinding and Honing the company works to tolerances of .002mm (0.00007”) with 1 microinch surface finish.

Components machined by Williams Aerospace Engineering are used in some of the most extreme environments, including aerospace, defence, nuclear, medical, Formula 1/performance sports car, and commercial markets. In order to meet the demands of specific customers, Williams Aerospace Engineering manufactures anything from one off components to large batches.

One of the biggest challenges facing Williams Aerospace Engineering was the sheer amount of time it took to measure components and collate all the data for its customers. For example, for a customer with particularly high measurement requirements, it would take the quality department 1-2 days to measure the positions of 2 holes on a batch of 100 cover plates, in addition to having to input data to an Excel spreadsheet to customer requirements.

Since the investment in the Baty Venture XT CNC vision system, this measurement process can now be completed in just 2 hours, which is a massive 96% increase in measurement efficiency. The inspection team at Williams Aerospace Engineering are able to load the fixture onto the machine, insert a part, recall the programme and teach the datum position, completing the batch of the same 100 parts within this much shorter timeframe.

David Fripp, Managing Director at Williams Aerospace Engineering said: “The Baty Venture XT helps to ensure our product quality by giving us a more consistent and repeatable measurement method. Once a program is written, the Venture is far more accurate than our old manual CMM, which is reliant on the points taken by the operator moving the probe by hand, rather than the CNC control on the Baty system. It is very easy to use and the camera resolution is far more accurate than a standard projector using surface illumination.”

Williams Aerospace Engineering uses the vision system for measuring lengths, radii, rads and angles. The measurements are either taken directly from the part loaded on the machine, or if it is an internal feature, it is reproduced using a rubber compound. The mould is then sectioned and measured on the projector as with an external profile.

David continues: “The Venture gives us the flexibility to measure countersink diameters whilst measuring hole positions on the same part. Due to the camera’s focal length, it is also possible to focus on counterbores or countersinks that are located within a bore and take measurements, rather than take a mould and use a standard projector. We’re very much looking forward to seeing how much more we can achieve with this piece of equipment in the future.”

The Baty Venture XT is used most days either to perform first off, in process, or final inspections on parts which are being manufactured at the facility. 2 members of the inspection team at Williams Aerospace Engineering currently use the Baty Venture, but as programs and fixtures become available to use in the future, other personnel will be able to recall programs and perform their own in-process inspections. This will then allow the inspectors to concentrate on other areas.

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