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AGMA 11FTM18

Original price was: $138.00.Current price is: $69.00.

After a period of operation turbo gears may exhibit a change inthe tooth contact pattern, reducing full face width contact, andthereby increasing the risk of tooth distress due to the decreasedloaded area of the teeth. The phenomena may or may not occur. Insome units the shift is more severe than others and has beenobserved in cases where there is as little as 50,000 hours ofoperation. In other cases there is no evidence of any change forunits in operation for more than 100,000 hours. This condition hasbeen observed primarily in single helical gears with low helixangles (10-13?). All recorded observations have been with casecarburized hardened and ground gear sets. This paper describes thephenomena observed among some of many installed high speed gearunits in field operation that have been inspected. The authors havenot found any written material describing this behavior and uponfurther investigation suggest a possible cause. Left unchecked andwithout corrective action, this occurrence may result in toothbreakage.

Edition:
11
Published:
10/01/2011
Number of Pages:
11
File Size:
1 file , 490 KB

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AGMA 11FTM18
Original price was: $138.00.Current price is: $69.00.