This deflection of .178 would be acceptable. Usually a larger pipe will reduce the deflection much better than a
heavier pipe.
Very often the problem of excessive deflection can be solved by using a conveyor screw section with a larger
diameter pipe or a thicker wall pipe (Sch. 80). Usually the larger diameter pipe is more effective than thicker wall pipe in
reducing deflection and is usually more cost effective.
Applications where the calculated deflection of screw exceeds .25 inches and correction is not apparent can be referred
to Orthman Conveying Systems for further recommendations.