Sparkplug Challenge

Aligning, fixating, and cutting an elongated component, including different materials, are a challenge. This requires a precise cutting setup using well-chosen equipment and a cutoff wheel in order to end up with the desired sample in two halves, with a minimum of mechanical damage.

Solution:

A reproducible method for cutting a sparkplug was developed, consisting of:

Clamping and positioning the sparkplug using a vertical clamping tool and a dedicated vise.
Precision cutting with Secotom-50 to section the component exactly in the middle.
A metal bonded diamond cutoff wheel with 0.6 mm thickness was used to achieve a minimum of mechanical damage and a very precise cut.
A rotational speed of 2,200 rpm and a feed speed of 0.04 mm/s were used. A direct cut in the 85 mm length of the sparkplug was used, starting from the connector end towards the electrode end.

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