We have produced 40.000 multipole injected ferrite ring magnets for car’s trunk automatic closing.

Final customer, a manufacturer leader in the sector of automobiles, needed to improve sensor’s reading and consequently precision of trunk opening/closing. Our job focused on the realization of an innovative 30 poles injected plasto-ferrite magnetic sensor.

It is a ring thick 3.5 mm, external diameter 50 mm and internal diameter 40 mm. This item foresees a 30 poles axial magnetization: each pole correspond to a different angle of trunk’s opening/closing. The whole ring has been injected in plastic.

Plastic material is necessary to lighten the assemble; The gear, instead, decrease inertia during rotation ensuring more precision. Final customer has so obtained a magnetic sensor extremely precise and light, trowing on the market an evolved system, accurate and innovative.

Compo Tech Co. is able to project and produce customized magnets for sensors for every needs.

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