CIMCO CNC-Calc v2.5 User Guide

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41 10.3. Inserting a Tool with Feed and Speed Calculator The Feed and Speed calculator is build into CNC-Calc, and it is used to insert feed and speed data into the NC program. All the data used in the calculations can normally be found in the reference material supplied by the manufacturer. In the facing example, we used a face mill that we give the following characteristics: diameter is 30mm, it has 5 flutes, a cutting feed of 0.08mm per tooth and a cutting speed of 190mm/min. In order to use the feed and speed calculator, select Feed and Speed Calculator for Milling Operations by clicking on the icon indicated by arrow A. Fill in the following values: Tool # lets say that the face mill have a tool number of 1. Diameter was 30mm. # Flutes: The number of flutes was 5. Feed per tooth: In this example it is set to 0.08mm. Cutting Speed: Is set to 190. The fields are linked together, so as soon as entries are made in the cutting speed field, the other fields will be updated. A B If we wanted to have RPM 2000 and a feedrate of 800 instead of the calculated 2015 and 836.385, the value for the cutting speed would be updated to 188.5. Change the RPM to 2000 and the feedrate to 800. Click on Export Clipboard indicated by arrow B.
42 The line for the NC program is now in the clipboard, and it is ready for insertion. Change the window to the NC program, and move to the very start, by pressing Ctrl-Home. Insert the text from the clipboard, either by pressing Ctrl-v, or selecting Edit Paste from the drop down menu. The NC program should now look similar to the one below. Now save the NC program as CNC-Calc v2 Tutorial 2.NC
Page 1 and 2: www.cimco-software.com CIMCO CNC-Ca
Page 3 and 4: 28 9.1. Before you start The first
Page 5 and 6: 30 9.2. Draw the geometry Draw a re
Page 7 and 8: 32 Create a fillet between elements
Page 9 and 10: 34 Connect the inner elements Activ
Page 13 and 14: 38 10.2. Creation of Facing toolpat
Page 15: 40 Now close the parameters dialog
Page 21 and 22: 46 11.2. Creation of Contour toolpa
Page 23 and 24: 48 Side cuts are the cuts taken in
Page 25 and 26: 50 Lead in/out parameters describe
Page 27 and 28: 52 Click on Export Clipboard to cop
Page 31 and 32: 56 12.2. Creation of Pocket toolpat
Page 33 and 34: 58 At All Depths: If this check box
Page 35 and 36: 60 Lead in/out parameters describe
Page 37 and 38: 62 13. Tutorial 5 Backplot in the E
Page 39 and 40: 64 13.2. The first backplot When yo
Page 41 and 42: 66 After the tools have been config
Page 43 and 44: 68 Now everything has been configur
Page 45 and 46: 70 Select the file from CNC-Calc Ca
Page 47 and 48: 72 For the selection of the locatio
Page 49 and 50: 74 Once the toolbars have been sele
Page 51 and 52: 76 Select the feature Letter Millin
Page 53 and 54: 78 To verify the generated toolpath
Page 55 and 56: 80 16. Tutorial 8 Milling of TrueTy
Page 57 and 58: 82 In the bottom field you write th
Page 59 and 60: 84 The Letter Milling dialog has no
Page 61 and 62: 86 16.2. Pocket milling letters The
Page 63: 88 Verifying the toolpaths using th

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