Re: Experience with Liebherr L-650


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Posted by BillS on July 19, 2007 at 12:04:11:

In Reply to: Experience with Liebherr L-650 posted by Eduardo L. on June 13, 2007 at 15:42:41:

I was hoping for an answer for this with details, too.
I'll take a stab at the tangential feed part of the question.
Tangential feed is used to feed the hob in a direction tangential to the workpiece (along the hob axis). This can be an advantage for throated worm gears.
Tangential feed imparts an unwanted helical angle to the workpiece, so the differential ratio is calculated to compensate for it (i.e. generate an equal but opposite helical angle).


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