iTNC 530 - TNC 640 - DR. JOHANNES HEIDENHAIN GmbH

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Programming in the Workshop – Straightforward Function Keys for Complex Contours Programming 2-D Contours Two-dimensional contours are the bread and butter of the modern machine shop. Here the iTNC 530 offers a variety of possibilities. Programming with path function keys If contours are dimensioned for NC, which means that the end points are specifi ed in Cartesian or polar coordinates, then you can program them directly with the path function keys. 30 Straight and circular contour elements To program a line segment, for example, simply press the key for linear traverse. The iTNC 530 asks for all information required for a complete programming block, such as target coordinates, feed rate, cutter radius compensation and machine functions. Appropriate path function keys for circular movement, chamfers, and corner rounding simplify your programming. To avoid surface blemishes during approach or departure from the contour, it must be approached smoothly—that is, tangentially. CT Circular path defi ned by its end point, with a smooth (tangential) departure from the previous contour element CC CR C Circular path defi ned by its center point, end point, and rotational direction Circular path defi ned by its radius, end point and rotational direction You simply specify the starting or end point of the contour and the approaching or departing radius of the cutter edge—the control does the rest for you. The iTNC 530 can look ahead over a radiuscompensated contour for up to 99 blocks to watch for back cutting and avoid contour damage such as can occur when roughing a contour with a large tool. Straight line defi ned by its end point RND Rounding: circular path defi ned by radius and corner point, with a smooth (tangential) transition to its adjoining contour elements CHF Chamfer: defi ned by the corner point and the chamfer length
– Programming Contours Unconventionally FK free contour programming Not all workpieces are dimensioned for conventional NC programming. Thanks to FK, the iTNC’s free contour programming feature, in such cases you simply type in the known data—without fi rst having to convert or calculate your data! It does not matter if individual contour elements are not completely defi ned as long as the complete contour has been. If the given data result in more than one mathematical solution, the helpful iTNC 530 programming graphics present the possible variants for your selection. 31
Page 1 and 2: iTNC 530 The Versatile Contouring C
Page 3 and 4: Contents The iTNC 530... Where can
Page 5 and 6: The iTNC 530 is universal. Its broa
Page 7 and 8: The screen content includes two ope
Page 9 and 10: 2012: TNC 640 for milling/turning m
Page 11 and 12: - Compensating Form Errors of Tools
Page 13 and 14: With TCPM you can defi ne the behav
Page 15 and 16: Machining cylindrical surfaces* Wit
Page 17 and 18: Of course the iTNC 530 also shows t
Page 19 and 20: - Global Settings (Options) The glo
Page 21 and 22: Higher Speed, More Accuracy, Truer
Page 23 and 24: Tool-oriented machining In tool-ori
Page 25 and 26: Workpiece presetting You can use a
Page 27 and 28: - Fast Availability of All Informat
Page 29: Test run graphics To play it safe b
Page 33 and 34: OEM cycles As original equipment ma
Page 35 and 36: Programming contours You defi ne co
Page 37 and 38: You can defi ne the following locat
Page 39 and 40: - Fast Data Transfer with the iTNC
Page 41 and 42: - The iTNC Programming Station Why
Page 43 and 44: Tool Measurement - Measuring Length
Page 45 and 46: Positioning with the Electronic Han
Page 47 and 48: Overview - User Functions User func
Page 49 and 50: User functions Test run graphics Di
Page 51 and 52: Option number Option As of NC softw
Page 53 and 54: - Function Upgrades As of NC softwa
Page 55 and 56: - Comparison of Controls Comparison

iTNC 530 - TNC 640 - DR. JOHANNES HEIDENHAIN GmbH

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