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06-10-2010 #1
Art Fenerty, the writer of Mach3 has been writing a new program for cutting gears.
http://www.gearotic.com
I have been working with him sorting out the spur and helical gears side to it,
Where this program scores is that it can cut a gear with a normal off the shelf end mill, no special cutters needed.
These were cut using just a 3mm end mill.
Today, first paying job was to make this bent and broken pinion gear.
Into this.
Done with a 1.5mm cutter.John S -
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06-10-2010 #2
Nice work John...Makes me want to throw my dividing head away.
If the nagging gets really bad......Get a bigger shed:naughty:
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07-10-2010 #3
Very nice.
The gears in the 1st photo are the same ones from the youtube video? Mesmerising to watch :)
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07-10-2010 #4
I'm just wondering wouldthose slitting saw blades work with this? they go from 0.5 to 3mm wide and are cheap to buy.
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07-10-2010 #5
If they had side cutting teeth then yes they would work but it would have to be done on a CNC horizontal mill because the program works the offsets out in Y and A
To use a slitting saw on a vertical it would have to be rewritten to use Z and A
Another disadvantage is that because of the larger diameter it would not be possible to work up to a shoulder or larger gear, however this would be offset by the cutters being a lot stronger.
[Edit] another disavantage is that you wouldn't be able to do helicalsJohn S -
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