Explain machining allowance, Mechanical Engineering

Q. Explain Machining allowance?

Machining allowance or finish allowance indicates how much larger the rough casting should be over the finished casting to allow sufficient material to ensure that machining will "clean up" the surfaces. The amount of finishing allowance depends upon the material of the    casting, its size, volume of production, method of moulding, configuration of the casting.


Material  Cast


Overall length of external surfaces, cm


0 to 30


30 to 60


60 to 105


105 to 150


Al alloys










Brass, Bronze





























Table: Typical Machining Allowance for Sand Casting

Posted Date: 5/30/2013 5:46:03 AM | Location : United States

Related Discussions:- Explain machining allowance, Assignment Help, Ask Question on Explain machining allowance, Get Answer, Expert's Help, Explain machining allowance Discussions

Write discussion on Explain machining allowance
Your posts are moderated
Related Questions
Determine the minimum critical Euler axial compression force,  Pcr and the minimum critical Euler axial compression stress, cru, for the column below which is pinned at the top and

The Cu-Sb system contains 2 eutectics, 1 eutectoid, 1 peritectic and 1 peritectoid. Mark them all on the figure, write down the temperature and composition of each point, and ident

Temperatur e Scales: The temperature of a system can be determined by bringing a 2 nd body, a thermometer, into contact with the system and allowing thermal equilibrium to b

Q. What is Forced Draft Fan? Fan shall comply with API 673 as supplemented by the following: (para. references are to API 673). Where the intake air is unfiltered, the Vendo

As per Indian standard (IS 812-1957) Define weld as "a union between two pieces of a metal at faces rendered plastic or liquid by heat or by pressure or both filler metal may b

A Torsion dynamometer is used in a propeller shaft of a marine Engine. It is found that the shaft twists 2 o in a length of 20 meters at 120 r.p.m. If the shaft is hollow with 300

Question: (a) When you are provide a design brief, marketing forms an important aspect that involves researching and computing a potential opportunity to enter a market. What

Note on scale and sludge?

calculate the vertical reaction at A in Newtons