PROCESS FOR MACHINING CROSS PIN ON LATHES

Instead of receiving universal joint crosses (1) like in the prior art in a special chuck of a turning machine and machining one respective pinion (2) and subsequently cycling the work piece by 90°, a contact surface (18) with a clamping device (19) is provided in the operating area according to the...

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Bibliographische Detailangaben
Hauptverfasser:	SCHREIBER LEO, MUHLICH WERNER, HANNIG ALBRECHT
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BORING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT COMBINED OPERATIONS DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS TRANSPORTING TURNING UNIVERSAL MACHINE TOOLS
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Beschreibung
Zusammenfassung:	Instead of receiving universal joint crosses (1) like in the prior art in a special chuck of a turning machine and machining one respective pinion (2) and subsequently cycling the work piece by 90°, a contact surface (18) with a clamping device (19) is provided in the operating area according to the invention, wherein the raw part can be placed on the clamping device and can be clamped so that two opposite faces can be machined in this first clamping step including machining centering boreholes, wherein clamping is performed thereafter between centering points (22) at the centering boreholes for machining the adjacent enveloping surfaces. After a cycling by 90° on this contact surface (18) the same steps are performed for the second pair of pinions, wherein machining the aligned pinions (2) can even he performed simultaneously if the machinery is configured accordingly.