Stroke Translation

Magnus · Post by **Magnus** » Sat Mar 19, 2011 3:30 pm

Frank

How would changing the size of arc (change of angle) get rid of that dip?

Frank LoPresti · Post by **Frank LoPresti** » Sat Mar 19, 2011 3:46 pm

which dip.

Magnus · Post by **Magnus** » Sat Mar 19, 2011 9:02 pm

dip in your last PDF

Frank LoPresti · Post by **Frank LoPresti** » Sat Mar 26, 2011 9:58 pm

So the fix for creep is to increase the size of the casting arc ? How would increasing the size of the casting arc offset the concave path of the rod tip as a result of translating and rotating (creeping) at the same time and then following that with rapid rotation. Increasing the size of the casting arc would correct for the concave path of the tip ? Me no think so much to good of an idea.

Magnus · Post by **Magnus** » Sun Mar 27, 2011 10:48 pm

Question was "How would changing the size of arc (change of angle) get rid of that dip?"

Frank LoPresti · Post by **Frank LoPresti** » Mon Mar 28, 2011 11:00 am

Don't know myself, perhaps you can explain...

Magnus · Post by **Magnus** » Mon Mar 28, 2011 1:25 pm

What would a CA graph look like for that diagram? Compare that with the CA diagram for a cast with 'creep' (CA definition) which caused a tailing loop.

I think we can make a cast with a tip path like that but the dip is not caused by creep - imho.

Frank LoPresti · Post by **Frank LoPresti** » Mon Mar 28, 2011 2:05 pm

Dips not caused by creep unless the creep involves a slight lowering of the elbow as the rod is slowly crept forward and or down Offsetting the arc size would offset neither. If you slowly rotate and translate at the same time you've still crept.

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