Corey, My question is, does residual bend affect the performance of a shaft the same as if it were an NBP? In other words, will the assembled shaft tend to rotate toward the residual bend point?
Bernie Writeto: [EMAIL PROTECTED] ----- Original Message ----- From: "Corey Bailey" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, October 06, 2003 1:00 AM Subject: Re: ShopTalk: NBP-COG > Dear Shoptalkers, > > With regards to your discussions about Spines & NBP: > > First of all, with the shaft resting (settled, if you will) in a bent > position in a bearing type spine finder, NBP is on top, spine is on the > bottom........Period. > > Mark the shaft in this position. > > If it is a steel shaft, determine the residual bend in the shaft. Roll it > on a flat surface, use V-blocks and a dial indicator, but come up with a > method of noting the residual bend. > > Note the correlation of residual bend and the location of the Spine and NBP. > > You will find that with the vast majority of steel shafts there is a direct > correlation between the curvature of the shaft (residual band) and the > location of the two planes in question. It will nearly always be the same > correlation. I say nearly because I come up with some exceptions from time > to time that defy explanation. > > Best, > > CB > > > >
