How can we use of shrinkage allowance, Mechanical Engineering

Assignment Help:

Q. How can we use of Shrinkage allowance?

Since metal shrinks on solidification and contracts further on cooling to room temperature, linear dimensions of the pattern is increased in respect of those of the finishing casting to be obtained. This is called "shrinkage allowance". It is given as mm/ m.

Typical values of shrinkage allowance for various metals re given below:

C.I. Malleable iron = 10mm/m

Brass, Cu, Al = 15mm/m

Steel = 20mm/m Zinc,

Lead = 25mm/m


Related Discussions:- How can we use of shrinkage allowance

Pressure relief valve application, Q. Pressure Relief Valve Application? ...

Q. Pressure Relief Valve Application? A general comparison of operational characteristics is given for the different types of pressure relief valves in common industrial use.

Linear programming, Mr. Moody has decided to invest at most N$100 000 in se...

Mr. Moody has decided to invest at most N$100 000 in securities in the form of corporate stocks. He has classified his options into three groups of stocks: blue-chip stocks that he

Calculate strength coefficient - true stress and true strain, Calculate str...

Calculate strength coefficient: A copper specimen of 64 mm gauge length and 12.80 mm dia. was tested in tension. Following two diameters were recorded in the plastic range of

Frames, Introduction and conclusion on frames

Introduction and conclusion on frames

Hi, what is Next Generation Manufacturing Strategy?

what is Next Generation Manufacturing Strategy?

Types of stresses, Types of stresses: In general stress is divided in ...

Types of stresses: In general stress is divided in to three group as: various types of stresses may be classified as: 1. Simple or direct stress (Tension, Compressi

Takt time for sand blasting, Takt Time for sand blasting:            ...

Takt Time for sand blasting:             Tatk time is crucial in manufacturing process. It determines the speed of production to produce a product. Time is money toward prod

Stages in making a spot welding, Q.Show the procedure of spot welding ? ...

Q.Show the procedure of spot welding ? The steps involved in making a spot weld are listed below and shown but before spot welding one must make sure that (i) The job is clea

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