TNC 320 - TNC 640 - DR. JOHANNES HEIDENHAIN GmbH

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Machining with Four Axes – Swivel Head and Rotary Table Controlled by the TNC (Option) Many fi ve-axis operations that at fi rst glance may seem very complex can be reduced to conventional 2-D movements that are simply tilted about one or more rotary axes or wrapped onto a cylindrical surface. The TNC supports you with application-oriented functions to help you write and edit such programs quickly and simply without a CAD/CAM system. 12 Tilting the working plane* Programs for contours and holes on inclined surfaces are often very complex and require time-consuming computing and programming work. Here the TNC 320 helps you to save a great deal of programming time. You program the part as usual in the working plane (e.g. the X/Y plane), but it is machined in a plane that is rotated in one or more axes about the main plane. The PLANE feature makes it easy to defi ne a tilted working plane: You can specify tilted working planes in seven different ways, depending on the information on the workpiece drawing. Clearly arranged support graphics assist you during input. You can defi ne the positioning behavior with the PLANE function so that there are no unpleasant surprises when the program is run. The settings for defi ning the positioning behavior are identical for all PLANE functions, making everything that much easier.
Machining cylindrical surfaces* With the TNC 320 it is quite easy to program contours (which consist of straight lines and arcs) on cylindrical surfaces using rotary and tilting tables: You simply program the contour in a plane as if the cylinder surface were unrolled. You enter a contour in two dimensions—as if in a plane—and the TNC 320 then calculates and machines the corresponding cylindrical contour. The TNC 320 features three cycles for cylindrical surface machining: Slot milling (the slot width is the same as the tool diameter) Guide-groove milling (the slot width is greater than the tool diameter) Ridge milling * The machine must be prepared by the machine tool builder for this function. 13
Page 1: TNC 320 The Compact Contouring Cont
Page 4 and 5: Compact and Versatile - The Right C
Page 6 and 7: Well Designed and User Friendly - T
Page 8 and 9: Minimize Setup and Nonmachining Tim
Page 10 and 11: Minimize Setup and Nonmachining Tim
Page 14 and 15: Programming, Editing, Testing - The
Page 16 and 17: Programming in the Workshop - Strai
Page 18 and 19: Programming in the Workshop - Field
Page 20 and 21: Programming in the Workshop - Reusi
Page 22 and 23: Open for Communication - Fast Data
Page 24 and 25: Workpiece Measurement - Setup, Datu
Page 26 and 27: Positioning with the Electronic Han
Page 28 and 29: Overview - User Functions User func
Page 30: - Options, Accessories Option Optio

TNC 320 - TNC 640 - DR. JOHANNES HEIDENHAIN GmbH

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