Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Bearing Bronzes
This is the copper-tin alloys along with small additions of another constitution. Beneath conditions of heavy load and conditions of severe service, bronzes are mostly of great advantages. Therefore, they possess a high resistance to impact loading and, are mostly employed in locomotive and rolling mills bearings. Though, they get heated up fast as compared to another type of bearing materials, as like: babbitts. Bronze lined bearings are easily eliminated and finished bushings are usually available in stocks. Some of the bronzes that are widely employed are described in Table no.22.
Table no.22: Bearing Bronzes
Bronze and
SAE Number
Composition (% )
Mechanical Properties
Application
UTS N/mm2
YS N/mm2
Elongation
%
Leaded gun metal, 63
Cu 86-89, Sn 9-11, Pb 1-2.5, P 0.25
max. impurities 0.5 max.
200
80
10
Bushing
Phosphor bronze, 64
Cu 78.5-81.5, Sn 9-11, Pb 0.05-0.25, Zn 0.75
max. impurities 0.25 max.
167
8
Heavy loads
Bronze backing for lined bearings 66
Cu 83-86, Sn 4.5-6.0, Pb 8-10, Zn 2.0, impurities 0.25 max.
Bronze backed bearings
Semi-plastic bronze, 67
Cu, 76.5-99.5, Sn 5-7,
Pb 14.5-17.5, Zn 4.0 max., Sb 0.4 max., Fe 0.4 max., impurities 10.0 max.
133
-
Soft and good antifriction properties
Evaluate the normal and tangential stresses: Q. 20: At the point in stressed body, the principal stresses are σ x = 80 kN/m 2 and σ y = 40 kN/m 2 . Determine the norma
Show that the force exerted by jet of water on a fixed semi-circular plate in the direction of jet when the jet strikes at the centre of the semi-circular plate is two times the fo
Q. Corrosion in Steam Condensate System? Carbon dioxide and oxygen, either acting alone or in combination, account for the majority of steel corrosion problems in the condensat
Restricted Search over All Possible Scheduling All options to this approach aim to calculate a schedule for a specific number of operations and after that to schedule the initi
Creep: Creep of rails is the forward movement of rails in the direction of dominant traffic over a period of time. Creep is undesirable because it disturbs the gauge of the t
1) Factor of Safety is calculated by using which of the following set of values? [Select the one best answer from the choices given below.] Answer a. Yield Stress and Allowable St
What do you mean by refrigeration system
Define universal portable radial drills Drilling machine is mounted on a trolley base to have a greater degree of mobility. In order to move the machine to any position on or a
Initial tension in the belt: Sol: The tension in belt which is passing over the two pulleys (that is driver and follower) when the pulleys are stationary is an initial tensi
Determine the Excavation of soil Excavation of soil in open well foundations is done by dredging with grab buckets or similar equipment. The volume of excavated soil always e
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd