Gear Hobbing Cutters Querry

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samlnt Associate Join Date: Oct 2006 Location: chennai, India Posts: 29	Gear Hobbing Cutters Querry 03/09/2011 8:14 AM
	How do i confirm if i can use an existing hob cutter to hobb a new gear pair..can anyone tell me what to check and if there is any formulae or programme for it. I was thinking only pr angle module and tooth depth and hob tip radius were to match now i hear you can cut gears with diffferent module cutters too. plz help me out... sam __________________ sam
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	Pathfinder Tags: gear hob

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TonyS Guru Join Date: Aug 2010 Location: Resting under the Major Oak Posts: 4347 Good Answers: 181	#1 Re: Gear Hobbing Cutters Querry 03/09/2011 10:44 PM
	Only you can determine if the cutter will suit, it can only be done by comparison. It's 30 years since I last cut a gear! __________________ The reports of my death are greatly exaggerated.
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LAA_Lucke Guru Join Date: Feb 2010 Posts: 1013 Good Answers: 36	#2 Re: Gear Hobbing Cutters Querry 03/10/2011 11:52 AM
	A Hob cutter is defined by its Module Therefore, a hob cutter can cut gears of the same module but with different number of teeth (different dametres). If you want to cut a gear of a different module, then you use a diiferent hob cutter with the correct module size. A Module defines the size of the tooth and its geometry in terms of shape, tip angle (as you say) etc. You need a small course in gear design to understand all of this. You can search the web for gear cutting and design...
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