VERFAHREN ZUR HERSTELLUNG VON ZIEHSTEINBOHRUNGEN

A process for the production of drawing die bores, especially in hard metal or carbide wire drawing dies, wherein each bore has an inlet cone portion on the feed side of the die and a cylindrical calibrating portion along a common axis, the process being a two-step grinding and finishing procedure w...

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Bibliographische Detailangaben
Hauptverfasser:	GOSSENS P, SCHWAB M, MINKENBERG H, DIEDERICHS W, OHLOFF F, HEINEN P
Format:	Patent
Sprache:	ger
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for the production of drawing die bores, especially in hard metal or carbide wire drawing dies, wherein each bore has an inlet cone portion on the feed side of the die and a cylindrical calibrating portion along a common axis, the process being a two-step grinding and finishing procedure with a cross-grinding of the inlet cone in a first step and a calibrating grinding and finishing of the cylindrical portion in a second step. Especially preferred apparatus is described for each of these steps, with devices to operate in an automatic or semi-automatic manner to manufacture the finished drawing dies.