Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

IMPELLER SHAFT NUT 1

Status
Not open for further replies.

P.K.P

Mechanical
Joined
Dec 8, 2016
Messages
19
Location
BH
AT PRESENT WE ARE OVERHAULING A CENTRIFUGAL PUMP AND ITS LOCK NUT GOT DAMAGED.. SO WHAT MATERIAL I CAN USE FOR MAKING A NEW IMPELLER NUT.. SAME MATERIAL AS SHAFT OR MATERIAL WITH DIFFERENT STRENGTH AND THERMAL EXPANSION??
 
They are typically a similar material, but be careful if this not just steel.
If it is SS or other alloys you need to watch compatibility both for corrosion and galling.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube
 
Material of construction of all wetted parts (e.g. impeller) will depend on the pump application which you have not stated.
 
What material the lock nut that got damaged is made of?
How did the nut get damaged?
Are the key and keyway and keyseat in good condition as to prevent any relative movement of shaft and impeller?
Is the thread of the shaft undamaged?

"Engineering is achieving function while avoiding failure." - Henry Petroski
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top