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Precision engineering is a subdiscipline of electrical engineering,
software engineering Software engineering is a systematic engineering approach to software development. A software engineer is a person who applies the principles of software engineering to design, develop, maintain, test, and evaluate computer software. The term ' ...
, electronics engineering,
mechanical engineering Mechanical engineering is the study of physical machines that may involve force and movement. It is an engineering branch that combines engineering physics and mathematics principles with materials science, to design, analyze, manufacture, ...
, and optical engineering concerned with designing machines, fixtures, and other structures that have exceptionally low tolerances, are repeatable, and are stable over time. These approaches have applications in
machine tool A machine tool is a machine for handling or machining metal or other rigid materials, usually by cutting, boring, grinding, shearing, or other forms of deformations. Machine tools employ some sort of tool that does the cutting or shaping. All ...
s, MEMS, NEMS, optoelectronics design, and many other fields.


Overview

Professors Hiromu Nakazawa and Pat McKeown provide the following list of goals for precision engineering: # Create a highly precise movement. # Reduce the dispersion of the product's or part's function. # Eliminate fitting and promote assembly, especially automatic assembly. # Reduce the initial cost. # Reduce the running cost. # Extend the life span. # Enable the design safety factor to be lowered. # Improve interchangeability of components so that corresponding parts made by other factories or firms can be used in their place. # Improve quality control through higher machine accuracy capabilities and hence reduce scrap, rework, and conventional inspection. # Achieve a greater wear/fatigue life of components. # Make functions independent of one another. # Achieve greater miniaturization and packing densities. # Achieve further advances in technology and the underlying sciences.Venkatesh, V. C. and Izman, Sudin, ''Precision Engineering'', Tata McGraw-Hill Publishing Company Limited, 2007, page 6.


Technical Societies

* American Society for Precision Engineering
euspen - European Society for Precision Engineering and Nanotechnology

JSPE- The Japan Society for Precision Engineering

DSPE - Dutch Society for Precision Engineering

SPETA - Singapore Precision Engineering and Technology Association


See also

* Abbe error * Accuracy and precision * Flexures * Kinematic coupling * Measurement uncertainty * Kinematic determinacy


References


External links


''Precision Engineering'', the Journal of the International Societies for Precision Engineering and Nanotechnology
{{Authority control Mechanical engineering
Precision Engineering Centre at Cranfield UniversityHistory of Precision Engineering