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Helical Gear Teeth Cut-Sweep Problem

Helical Gear Teeth Cut-Sweep Problem

Helical Gear Teeth Cut-Sweep Problem

(OP)
Hey Guys,

I'm trying to cut the space out between two teeth with the cut-sweep function. To specify a helix angle, you choose "Specify Profile Twist" and enter the value you need for your helix angle. This works but it leaves a panel above the cut and whenever this happens, it is unable to perform the "circular pattern" function to cut the rest of the teeth. How can I get rid of this panel and perform the circular pattern function? The gear has 12 teeth. The profile twist value is 41.5degrees (which provides a 30 degree helix angle). I've attached a snapshot of the gear for reference and the Solidworks part. Any help is appreciated!!

p.s. this has worked with another gear but only at some values for the helix angle. Like only some random values. Others values dont work for some strange reason.

-Sarah

RE: Helical Gear Teeth Cut-Sweep Problem

sarahanderson8591,

Are you going to rapid prototype your gears from the 3D model, or is a gear cutter going to make this thing? If your gears are cut, your fabricator will select and use a cutting tool. You do not need a perfect CAD model. I doubt that most rapid prototyping processes are accurate enough to justify absolutely accurate models. Powder metal?

--
JHG

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