09-04-2015, 03:59 AM
Needed info on datum systems. Design of freedom, grouped datum systems, 2 and 3 mutually perpendicular grouped datum planes, grouped datum system with spigot and eexess , pin and hole.
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free pdf download precision engineering text book by rl murthy
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Needed info on datum systems. Design of freedom, grouped datum systems, 2 and 3 mutually perpendicular grouped datum planes, grouped datum system with spigot and eexess , pin and hole.
31-03-2017, 04:14 PM
Precision engineering is a subdiscipline of electrical engineering, software engineering, electronic engineering, mechanical engineering and optical engineering related to design machines, accessories and other structures that have exceptionally low tolerances, are repeatable and are stable over time. These approaches have applications in machine tools, MEMS, NEMS, optoelectronics design, and many other fields. One of the fundamental principles of precision engineering is that of determinism. The behavior of the system is totally predictable even to movements at nanoscale. To do the work efficiently and correctly you need modern machinery.
"The basic idea is that machine tools obey cause and effect relationships that are within our ability to understand and control and that there is nothing random or probabilistic in their behavior. Everything happens for a reason and the list of reasons is enough Small to drive. "Jim Bryan
"By this we mean that machine tool errors are due to cause and effect relationships, and they do not vary randomly for any reason. In addition, the causes are not esoteric and uncontrollable, but can be explained in terms of engineering principles Family ". - Bob Donaldson
"By this we mean that machine tool errors are due to cause and effect relationships, and they do not vary randomly for any reason. In addition, the causes are not esoteric and uncontrollable, but can be explained in terms of engineering principles Family ". - Bob Donaldson
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