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The back of the speaker grill — the sprue system of the four-cavity mould for left and right parts is clearly visible. The ejector set is mounted directly in the center.  (Source: Pergler Media)
Standard parts

How venting ejectors keep production on track

For greater process reliability and a wider process window in injection moulding, as well as significantly longer maintenance intervals, Dressel + Höfner Automotive now relies on DLC-coated ejector pins for venting from standard parts manufacturer Knarr as a matter of course in its injection moulding tools.

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