User manual FAGOR CNC 8070

[. . . ] 0402 EXAMPLES MANUAL Unauthorized copying or distributing of this software is prohibited. No part of this documentation may be transmitted, transcribed, stored in a backup device or translated into another language without Fagor Automation's consent. INDEX 1. 1 2 3 CONCEPTS Technical specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Basic CNC operating concepts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Goals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. CONVERSATIONAL PROGRAMMING Exercise 1. Pockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Surface milling canned cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Rectangular boss canned cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Circular pocket canned cycle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Rectangular pocket canned cycle. [. . . ] Cam Chapter 2 Page 31 of 96 CIRCULAR POCKET CANNED CYCLE (3) GEOMETRY Xc Yc Z Zs R P Pocket center in X Pocket center in Y Height coordinate of the surface Safety Z coordinate Pocket radius Total pocket depth ROUGHING I Fz F S T D Roughing pass Pass in Z Penetrating feedrate at each pass in Z mm/min. It permits several runs on Z Roughing feedrate in mm/min. RPM Finishing tool number Tool offset Counterclockwise turning direction Counterclockwise machining direction 0 5 100 90 1000 3980 4 1 -112. 5 37. 5 0 2 22. 5 -10 FINISHING F N z S T D Finishing pass Finishing stock. Number of finishing passes in Z Excess material in Z RPM Finishing tool number Tool offset Tool penetrating angle when finishing Counterclockwise turning direction Counterclockwise machining direction 0 0. 5 1000 1 0. 5 3980 4 1 0 OF 96 CNC 8070 EXAMPLES MANUAL Conversational programming Exercise 3. Cam Chapter 2 Page 32 of 96 2D POCKET CANNED CYCLE Then, use the same cycle as in section 5. 2 to remove the excess material in the middle of the part. GEOMETRY P. 2D P. XY Z Zs P Name of the 2D pocket profile Name of the depth profile Height coordinate of the surface Safety Z coordinate Total surface milling depth Without prior drilling Pocket-2 Profile-2 0 2 5 ROUGHING I Fz F S T D Roughing pass Penetration step in Z Penetrating feedrate at each pass (mm/min. ) Penetrating angle Machining feedrate in mm/min. RPM Number of the tool to be used Tool offset Counterclockwise turning direction 0 5 100 90 1000 3980 4 1 FINISHING F N z S T D Finishing pass Finishing stock. Number of finishing passes in Z Excess material in Z RPM Finishing tool number Tool offset Tool penetrating angle when finishing Counterclockwise turning direction 0 0. 5 1000 1 0. 5 3980 4 1 90 CNC 8070 EXAMPLES MANUAL Conversational programming Exercise 3. Cam Chapter 2 Page 33 of 96 At the profile editor, draw the geometry to be emptied. Before beginning to define it, bear in mind that you're going to machine; therefore, you will have to use a tool with a certain diameter. Pay attention to the geometry of the drawing so the tool can work inside it since it is an emptying operation. · This is the theoretically drawn geometry; but, as may be seen in the drawing, the tool could never machine the programmed corners because it does not fit. Therefore, the tool must be given some relief in those four corners. · For example, this would be the best way to program this profile. OF 96 CNC 8070 EXAMPLES MANUAL Conversational programming Exercise 3. Cam Chapter 2 Page 34 of 96 NEW PROFILE BEGINNING X = 7, 639 STRAIGHT X = 55 STRAIGHT X = 139. 58 Y = 0 STRAIGHT X = 139. 58 Y = -11, 563 COUNTERCLOCKWISE ARC X = 88. 761 VALIDATE STRAIGHT X = 90 STRAIGHT X = 17, 693 Y = -65 STRAIGHT X = 17, 693 Y = -53, 395 COUNTERCLOCKWISE ARC X = 7. 639 STRAIGHT X = 7, 639 END SAVE PROFILE Y = 65 VALIDATE Y = 55. 729 Xc = 0 Yc = 0 R=56. 25 VALIDATE VALIDATE VALIDATE Y = -75 VALIDATE Y = -66. 53 Xc = 112. 5 Yc = -37. 5R = 37. 5 VALIDATE VALIDATE Y = 65 VALIDATE Y = 65 VALIDATE CNC 8070 EXAMPLES MANUAL Conversational programming Exercise 3. Cam Chapter 2 Page 35 of 96 ISO COORDINATE ROTATION Once the form has been inserted into the program, program an ISO command to rotate the coordinate system in order to repeat the machining operation on the other side. The ISO block will be: N1: (First label) #POCKET2D BEGIN (1-3C2D) ---------------------------------------------------------N2: (Second label) G73 Q180 #RPT [N1, N2] G0 Z100 M30 Coordinate rotation. Canned cycle. OF 96 CNC 8070 EXAMPLES MANUAL Conversational programming Exercise 3. Cam Chapter 2 Page 36 of 96 EXERCISE 4. 3D POCKETS The purpose of the following exercise is to make a cam from a stock whose dimensions are 136 x 102. Making this part requires the following steps: Operations Surface milling 3D pocket Tools Endmill Ø100 T1 D1 Endmill Ø20 T2 D2 CNC 8070 EXAMPLES MANUAL Conversational programming Exercise 4. 3D pockets Chapter 2 Page 37 of 96 SURFACE MILLING CANNED CYCLE GEOMETRY Type of surface milling. Unidirectional surface milling along X Corner where the surface milling begins. X Y L H Z Zs P X coordinate of the initial corner Y coordinate of the initial corner Total length in X Total length in Y Height coordinate of the surface Safety Z coordinate Total surface milling depth Surface milling angle ROUGHING E Fz I F S T Roughing pass Overshooting for chip relief Penetrating feedrate at each pass (mm/min. ) Penetration step in Z Machining feedrate in mm/min. [. . . ] Angular repetition Chapter 3 Page 84 of 96 PARAMETRIC PROGRAMMING 4 Parametric programming basically consists in assigning values to certain parameters, identified with the letter "P", to perform the necessary operations in order to different shapes on the same part. A parametric program is basically made up of three parts: 1. Comparison. CNC 8070 EXAMPLES MANUAL Parametric programming Chapter 4 Page 85 of 96 EXERCISE 1. SEMI-SPHERE SIN P101 = Z/R COS P101 = X/R P100 = Initial radius P101 = Initial angle P102 = Final angle P103 = Incremental angle P104 = Tool radius P110 = P100 * SIN P101 Z=R*SIN P101 P111 = P100 * COS P101 X = R*COS P101 OF 96 CNC 8070 EXAMPLES MANUAL Parametric programming Exercise 1. [. . . ]