RWC

Ray West (Consultancy)

If, like us, you find that 53 hours a day is just not enough, and you have a number of jobs left over, which you will get to do when you can get around to it, well here is one for you to make, so you will have no excuse in future.

It is actually multi functional, in that it tests your milling machine's capabilities in milling circles, and the finished item can be used as an index for holding milling cutters, or better still, as something for your dog to play with.

Feel free to alter the G-code, there should be enough comments to allow you to get a round tuit with little effort on your part. Simply cut and paste the following text into a .dnc file, and machine it.


(Created 21:27:33 12/07/2004 from index3.DXF)
(Post = ISO G-Code - Non Modal)

(this generates a circular index or tool holder for)
(  ten milling cutters, the cover can be the)
(  bottom 4 inches of a 2 litre plastic lemonade bottle)

(material 19mm thick plywood or pvc about 120mm square)
(adjust feed rate to suit material and cutter)
(adjust -z depths to suit thickness of your material)
(ensure at least 3mm scrap material packing beneath)
(        work piece to allow for cutter penetration)
(set z0 to work surface. Set x0,y0 centre of 120mm square)
(fix workpiece by two screws located at x-12 y12 and x12 y-12)
(set cutter speed as required - line number N2)
(Tool 6mm diameter carbide slot drill)

(cut holes)
N1 M03
N2 T0 M06 S20000
N3 G00 X-24.8491 Y-14.9838 Z10.0000
N4 G00 X-24.8491 Y-14.9838 Z10.0000
N5 G01 X-24.8491 Y-14.9838 Z-8.0000 F50.00
N6 G03 X-24.8491 Y-14.9838 I-2.0050 J0.0000 F75.00
N7 G00 X-24.8491 Y-14.9838 Z2.0000
N8 G00 X-24.8491 Y-14.9838 Z2.0000
N9 G01 X-24.8491 Y-14.9838 Z-16.0000 F50.00
N10 G03 X-24.8491 Y-14.9838 I-2.0050 J0.0000 F75.00
N11 G00 X-24.8491 Y-14.9838 Z-6.0000
N12 G00 X-24.8491 Y-14.9838 Z-6.0000
N13 G01 X-24.8491 Y-14.9838 Z-17.0000 F50.00
N14 G03 X-24.8491 Y-14.9838 I-2.0050 J0.0000 F75.00
N15 G00 X-24.8491 Y-14.9838 Z10.0000
N16 G00 X-32.8815 Y-1.5568 Z10.0000
N17 G01 X-32.8815 Y-1.5568 Z-8.0000 F50.00
N18 G03 X-32.8815 Y-1.5568 I-0.0050 J0.0000 F75.00
N19 G00 X-32.8815 Y-1.5568 Z2.0000
N20 G00 X-32.8815 Y-1.5568 Z2.0000
N21 G01 X-32.8815 Y-1.5568 Z-16.0000 F50.00
N22 G03 X-32.8815 Y-1.5568 I-0.0050 J0.0000 F75.00
N23 G00 X-32.8815 Y-1.5568 Z-6.0000
N24 G00 X-32.8815 Y-1.5568 Z-6.0000
N25 G01 X-32.8815 Y-1.5568 Z-17.0000 F50.00
N26 G03 X-32.8815 Y-1.5568 I-0.0050 J0.0000 F75.00
N27 G00 X-32.8815 Y-1.5568 Z10.0000
N28 G00 X-30.9355 Y11.2865 Z10.0000
N29 G01 X-30.9355 Y11.2865 Z-8.0000 F50.00
N30 G03 X-30.9355 Y11.2865 I-0.0050 J0.0000 F75.00
N31 G00 X-30.9355 Y11.2865 Z2.0000
N32 G00 X-30.9355 Y11.2865 Z2.0000
N33 G01 X-30.9355 Y11.2865 Z-16.0000 F50.00
N34 G03 X-30.9355 Y11.2865 I-0.0050 J0.0000 F75.00
N35 G00 X-30.9355 Y11.2865 Z-6.0000
N36 G00 X-30.9355 Y11.2865 Z-6.0000
N37 G01 X-30.9355 Y11.2865 Z-17.0000 F50.00
N38 G03 X-30.9355 Y11.2865 I-0.0050 J0.0000 F75.00
N39 G00 X-30.9355 Y11.2865 Z10.0000
N40 G00 X-23.3464 Y22.9622 Z10.0000
N41 G01 X-23.3464 Y22.9622 Z-8.0000 F50.00
N42 G03 X-23.3464 Y22.9622 I-0.0050 J0.0000 F75.00
N43 G00 X-23.3464 Y22.9622 Z2.0000
N44 G00 X-23.3464 Y22.9622 Z2.0000
N45 G01 X-23.3464 Y22.9622 Z-16.0000 F50.00
N46 G03 X-23.3464 Y22.9622 I-0.0050 J0.0000 F75.00
N47 G00 X-23.3464 Y22.9622 Z-6.0000
N48 G00 X-23.3464 Y22.9622 Z-6.0000
N49 G01 X-23.3464 Y22.9622 Z-17.0000 F50.00
N50 G03 X-23.3464 Y22.9622 I-0.0050 J0.0000 F75.00
N51 G00 X-23.3464 Y22.9622 Z10.0000
N52 G00 X3.2536 Y25.2973 Z10.0000
N53 G01 X3.2536 Y25.2973 Z-8.0000 F50.00
N54 G03 X3.2536 Y25.2973 I-5.0050 J0.0000 F75.00
N55 G01 X0.2586 Y25.2973 Z-8.0000
N56 G03 X0.2586 Y25.2973 I-2.0100 J0.0000
N57 G00 X0.2586 Y25.2973 Z2.0000
N58 G00 X3.2536 Y25.2973 Z2.0000
N59 G01 X3.2536 Y25.2973 Z-16.0000 F50.00
N60 G03 X3.2536 Y25.2973 I-5.0050 J0.0000 F75.00
N61 G01 X0.2586 Y25.2973 Z-16.0000
N62 G03 X0.2586 Y25.2973 I-2.0100 J0.0000
N63 G00 X0.2586 Y25.2973 Z-6.0000
N64 G00 X3.2536 Y25.2973 Z-6.0000
N65 G01 X3.2536 Y25.2973 Z-17.0000 F50.00
N66 G03 X3.2536 Y25.2973 I-5.0050 J0.0000 F75.00
N67 G01 X0.2586 Y25.2973 Z-17.0000
N68 G03 X0.2586 Y25.2973 I-2.0100 J0.0000
N69 G00 X0.2586 Y25.2973 Z10.0000
N70 G00 X27.3834 Y16.3459 Z10.0000
N71 G01 X27.3834 Y16.3459 Z-8.0000 F50.00
N72 G03 X27.3834 Y16.3459 I-5.0050 J0.0000 F75.00
N73 G01 X24.3884 Y16.3459 Z-8.0000
N74 G03 X24.3884 Y16.3459 I-2.0100 J0.0000
N75 G00 X24.3884 Y16.3459 Z2.0000
N76 G00 X27.3834 Y16.3459 Z2.0000
N77 G01 X27.3834 Y16.3459 Z-16.0000 F50.00
N78 G03 X27.3834 Y16.3459 I-5.0050 J0.0000 F75.00
N79 G01 X24.3884 Y16.3459 Z-16.0000
N80 G03 X24.3884 Y16.3459 I-2.0100 J0.0000
N81 G00 X24.3884 Y16.3459 Z-6.0000
N82 G00 X27.3834 Y16.3459 Z-6.0000
N83 G01 X27.3834 Y16.3459 Z-17.0000 F50.00
N84 G03 X27.3834 Y16.3459 I-5.0050 J0.0000 F75.00
N85 G01 X24.3884 Y16.3459 Z-17.0000
N86 G03 X24.3884 Y16.3459 I-2.0100 J0.0000
N87 G00 X24.3884 Y16.3459 Z10.0000
N88 G00 X28.1077 Y-10.7027 Z10.0000
N89 G01 X28.1077 Y-10.7027 Z-8.0000 F50.00
N90 G03 X28.1077 Y-10.7027 I-3.0050 J0.0000 F75.00
N91 G01 X25.1127 Y-10.7027 Z-8.0000
N92 G03 X25.1127 Y-10.7027 I-0.0100 J0.0000
N93 G00 X25.1127 Y-10.7027 Z2.0000
N94 G00 X28.1077 Y-10.7027 Z2.0000
N95 G01 X28.1077 Y-10.7027 Z-16.0000 F50.00
N96 G03 X28.1077 Y-10.7027 I-3.0050 J0.0000 F75.00
N97 G01 X25.1127 Y-10.7027 Z-16.0000
N98 G03 X25.1127 Y-10.7027 I-0.0100 J0.0000
N99 G00 X25.1127 Y-10.7027 Z-6.0000
N100 G00 X28.1077 Y-10.7027 Z-6.0000
N101 G01 X28.1077 Y-10.7027 Z-17.0000 F50.00
N102 G03 X28.1077 Y-10.7027 I-3.0050 J0.0000 F75.00
N103 G01 X25.1127 Y-10.7027 Z-17.0000
N104 G03 X25.1127 Y-10.7027 I-0.0100 J0.0000
N105 G00 X25.1127 Y-10.7027 Z10.0000
N106 G00 X13.7077 Y-27.4378 Z10.0000
N107 G01 X13.7077 Y-27.4378 Z-8.0000 F50.00
N108 G03 X13.7077 Y-27.4378 I-3.0050 J0.0000 F75.00
N109 G01 X10.7127 Y-27.4378 Z-8.0000
N110 G03 X10.7127 Y-27.4378 I-0.0100 J0.0000
N111 G00 X10.7127 Y-27.4378 Z2.0000
N112 G00 X13.7077 Y-27.4378 Z2.0000
N113 G01 X13.7077 Y-27.4378 Z-16.0000 F50.00
N114 G03 X13.7077 Y-27.4378 I-3.0050 J0.0000 F75.00
N115 G01 X10.7127 Y-27.4378 Z-16.0000
N116 G03 X10.7127 Y-27.4378 I-0.0100 J0.0000
N117 G00 X10.7127 Y-27.4378 Z-6.0000
N118 G00 X13.7077 Y-27.4378 Z-6.0000
N119 G01 X13.7077 Y-27.4378 Z-17.0000 F50.00
N120 G03 X13.7077 Y-27.4378 I-3.0050 J0.0000 F75.00
N121 G01 X10.7127 Y-27.4378 Z-17.0000
N122 G03 X10.7127 Y-27.4378 I-0.0100 J0.0000
N123 G00 X10.7127 Y-27.4378 Z10.0000
N124 G00 X-10.0599 Y-28.0216 Z10.0000
N125 G01 X-10.0599 Y-28.0216 Z-8.0000 F50.00
N126 G03 X-10.0599 Y-28.0216 I-2.0050 J0.0000 F75.00
N127 G00 X-10.0599 Y-28.0216 Z2.0000
N128 G00 X-10.0599 Y-28.0216 Z2.0000
N129 G01 X-10.0599 Y-28.0216 Z-16.0000 F50.00
N130 G03 X-10.0599 Y-28.0216 I-2.0050 J0.0000 F75.00
N131 G00 X-10.0599 Y-28.0216 Z-6.0000
N132 G00 X-10.0599 Y-28.0216 Z-6.0000
N133 G01 X-10.0599 Y-28.0216 Z-17.0000 F50.00
N134 G03 X-10.0599 Y-28.0216 I-2.0050 J0.0000 F75.00
N135 G00 X-10.0599 Y-28.0216 Z10.0000
N136 G00 X2.0861 Y-4.4757 Z10.0000
N137 G01 X2.0861 Y-4.4757 Z-8.0000 F50.00
N138 G03 X2.0861 Y-4.4757 I-5.0050 J0.0000 F75.00
N139 G01 X-0.9089 Y-4.4757 Z-8.0000
N140 G03 X-0.9089 Y-4.4757 I-2.0100 J0.0000
N141 G00 X-0.9089 Y-4.4757 Z2.0000
N142 G00 X2.0861 Y-4.4757 Z2.0000
N143 G01 X2.0861 Y-4.4757 Z-16.0000 F50.00
N144 G03 X2.0861 Y-4.4757 I-5.0050 J0.0000 F75.00
N145 G01 X-0.9089 Y-4.4757 Z-16.0000
N146 G03 X-0.9089 Y-4.4757 I-2.0100 J0.0000
N147 G00 X-0.9089 Y-4.4757 Z-6.0000
N148 G00 X2.0861 Y-4.4757 Z-6.0000
N149 G01 X2.0861 Y-4.4757 Z-17.0000 F50.00
N150 G03 X2.0861 Y-4.4757 I-5.0050 J0.0000 F75.00
N151 G01 X-0.9089 Y-4.4757 Z-17.0000
N152 G03 X-0.9089 Y-4.4757 I-2.0100 J0.0000
N153 G00 X-0.9089 Y-4.4757 Z10.0000

(cut outside profile)
N154 G00 X49.0000 Y0.0000 Z10.0000
N155 G00 X49.0000 Y0.0000 Z10.0000
N156 G01 X49.0000 Y0.0000 Z-5.0000 F20.00
N157 G03 X49.0000 Y0.0000 I-49.0000 J0.0000 F75.00
N158 G01 X49.0000 Y0.0000 Z-10.0000 F20.00
N159 G03 X49.0000 Y0.0000 I-49.0000 J0.0000 F75.00
N160 G01 X49.0000 Y0.0000 Z-15.0000 F20.00
N161 G03 X49.0000 Y0.0000 I-49.0000 J0.0000 F75.00
N162 G00 X49.0000 Y0.0000 Z10.0000

(cut base flange)
N163 G00 X53.0000 Y0.0000 Z10.0000
N164 G00 X53.0000 Y0.0000 Z10.0000
N165 G01 X53.0000 Y0.0000 Z-5.0000 F20.00
N166 G03 X53.0000 Y0.0000 I-53.0000 J0.0000 F75.00
N167 G01 X53.0000 Y0.0000 Z-10.0000 F20.00
N168 G03 X53.0000 Y0.0000 I-53.0000 J0.0000 F75.00
N169 G01 X53.0000 Y0.0000 Z-15.0000 F20.00
N170 G03 X53.0000 Y0.0000 I-53.0000 J0.0000 F75.00
N171 G01 X53.0000 Y0.0000 Z-20.0000 F20.00
N172 G03 X53.0000 Y0.0000 I-53.0000 J0.0000 F75.00
N173 G00 X53.0000 Y0.0000 Z10.0000
N174 G00 X0 Y0
N175 M05
(if you didn't guess, dimensions are metric!)
N176 M02