Helix in assy?

Jan 04, 2008 2 Replies
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I'm trying to create a helix in an assembly, but I guess I'm SOL?



Creating a worm gear with a right hand lead. The Gear is an anti-backlash (gear split in half with a spring) and has to be hobbed as a matched set, so I have a fixed and free gear blanks as 2 parts, then assemble and Hob. I got everything set and went to create the helix to sweep the gear tooth space on and....poop.



Oh well, the lead is only 1deg, 47' anyway so I think I'll fudge it for now as a straight revolved cut. Anyone got a different idea?



thx



IYM


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wrote in news:477e9893$0$1347$ snipped-for-privacy@reader.greatnowhere.com:

Put the helix in one of the part models instead of the assembly. The cut- sweep will have to be in the part models as well, since that's not available as an assembly feature (at least not in 07).

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An ideal application for an envelope part. Create the helix in a part and bring it into the assembly as an envelope.

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