Bearing bronzes, Mechanical Engineering

Assignment Help:

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

 

80

 

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.

 

167

 

80

 

8

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

 

 

-

 

 

10

Soft and good antifriction properties


Related Discussions:- Bearing bronzes

Determine the radius of curvature - motion of a particle, Determine the rad...

Determine the radius of curvature - motion of a particle: The motion of a particle in XOY plane is defined by the equation r (t ) = 3t i^ + (4t - 3t 2 ) j^ The distanc

Erosion-corrosion in sand slurry line, Q. Erosion-Corrosion In Sand Slurry ...

Q. Erosion-Corrosion In Sand Slurry Line? All sands are collected in the Inlet Slug Catcher and routed to the Desand Tank for separation. Sand Slurry lines are subject to erosi

Fracture mechanics, difference between stress intensity factor and stress c...

difference between stress intensity factor and stress concentration factor

Projectile motion, For the angle of projection when the range is equal to d...

For the angle of projection when the range is equal to distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection will

Production drawing, use of productin drawing in manufacturing technolagy

use of productin drawing in manufacturing technolagy

Calculate the initial angular acceleration , Question: 1.   A dump truc...

Question: 1.   A dump truck is shown in the figure.  The loaded container has a mass of  8000 Kg and may be modelled as a solid homogeneous block. The hydraulic cylinder applie

Load on beam, Load on beam: A beam AB as shown in the figure give...

Load on beam: A beam AB as shown in the figure given below is hinged at A and supported at B by a vertical cord that passes over two frictionless pulleys C and

Industrial applications of ultrasonics, Industrial applications of ultraso...

Industrial applications of ultrasonics-cleaning, welding, soldering, drilling

Material utilized for composites, Material Utilized For Composites Comp...

Material Utilized For Composites Composite presents a very broad range. From usual reinforced concrete to metal- metal fibre composites of high strength are in employ. The stre

Left side view of a motorcycle parts of motorcycle, Figure : Left Side View...

Figure : Left Side View of a Motorcycle Part No. Name Functions 1 Fuel cock Used to open or close the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd