Lever tappet producing process involves forming guide cheeks of valve shaft fitting by cold forging

The lever tappet producing process involves stamping a lever-type tappet valve shaft fitting from sheet. This fitting, including its guide cheeks (7, 8) is produced by cold forging, so that an imprinting punch (17a, 17b) is applied laterally to the cheeks being formed at the underside, on which it a...

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Bibliographische Detailangaben
1. Verfasser:	AMMON, REINHARD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BLASTING COMBINED OPERATIONS CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PUNCHING METAL STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The lever tappet producing process involves stamping a lever-type tappet valve shaft fitting from sheet. This fitting, including its guide cheeks (7, 8) is produced by cold forging, so that an imprinting punch (17a, 17b) is applied laterally to the cheeks being formed at the underside, on which it acts to thin out the plate region under it and deform it plastically to form the cheeks. Vorgeschlagen ist ein Verfahren zur Herstellung einer Anlage (6) für einen Ventilschaft bei einem hebelartigen Nockenfolger aus Blech. Erfindungsgemäß soll diese Anlage (6) mit ihren Führungswangen (7, 8) durch Kaltschmieden gefertigt werden.