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SECTION TITLE


AUTOMOTIVE DESIGN


Raw 3D scan of cylinder head using Gocator 3210


Gocator 3210 is the hardware platform of


the Volume Checker solution. Te 3210 is a metrology-grade, inline ready 3D snapshot sensor that scans at 35 µm resolution, and is ideal for detecting features on large targets such as automotive cylinders. Te Gocator Development Kit (GDK)


allows developers to embed their own custom measurement algorithms into the Gocator firmware. In the case of the Volume Checker, LMI has embedded a custom volume gauging tool that can scan and measure cylinder heads in less than five seconds at an accuracy of +/- 0.04cm3


.


Another advantage of Gocator Volume Checker is that manufacturers aren’t


required to cover the cylinder head valves before executing volume measurements. When using traditional methods, valve coverage is a standard requirement. Te GDK’s built-in custom Volume


tool “caps” all openings to produce accurate 3D volume data of the chamber, without the need for manual intervention. Tis capability saves additional set-up time as a result.


SMART VISION ACCELERATION GoX is a PC-based application that accelerates the Gocator 3210 sensors by redirecting compressed 3D scan data to a PC – for unpacking and analysis – to achieve the fast cycle times required for inline engine block inspection. Volume Checker can also be accelerated


with GoMax, a compact plug-and-play hardware device that adds 1 TeraFlop of GPU-driven data processing power to the Gocator 3210 sensors, speeding up cycle times and improving overall inspection performance. Te Master Hub 810 network


Gocator Volume Checker inspecting engine cylinder heads


12 www.engineerlive.com


controller simplifies the support of multiple sensors (up to eight) by handling power, synchronisation, laser safety (for laser-based sensors), encoder and digital I/O. A Master 810 is used to support the Volume Checker


Approximately 98% of manufacturers currently use liquid to gauge the volume of engine cylinder heads.


when designers want to use four sensors to scan and measure four cylinders at once. Gocator’s flexible platform allows LMI to customise standard sensors to meet specific application requirements. Tis approach is the next step in improved automated quality control, where 3D smart sensors are configured to perform highly specialised inspection tasks to replace manual measurement processes and achieve higher accuracy.


Terry Arden is CEO of LMI Technologies. www.lmi3d.com


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