design and fabrication of pneumatic auto feed drilling machiner eport

abstract


in small-scale industries and automobile maintenance shops, there are frequent needs of
tightening and loosening of screws, drilling, boring, grinding machine. huge and complicated
designed parts cannot be machined with the help of an ordinary machine and further for every
operation separate machine is required therefore increasing the number of machines required and
increasing the area required for them to be accommodated and hence overall initial cost ....etc

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ppt for rail fixtures and fastening ... what types of fixture and fastening material use in railway ....etc

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i want a project on jigs and fixture in drilling machine to hold and guide the workpiece ....etc

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Elements of Jigs and Fixtures



1: Body:
The jig body is generally made of cost iron by casting process or fabricated by welding together various slabs and bars of mild steel. It may be heat treated to relief the stresses. Body is the most prominent feature of the jig. Its main purpose is to support and house the job.

The various jig body are follows:


(A):Plane Type Jig:
Plane type jig is the simplest type, it is used when plane ....etc

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i want the functions of jigs and fixtures immediately . ....etc

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I want PPT of maintenance of jigs and Fixture ....etc

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Types and Functions of Jigs and Fixtures
JIGS AND FIXTURES
Jigs and fixtures are production-workholding devices
used to manufacture duplicate parts accurately. The
correct relationship and alignment between the cutter,
or other tool, and the workpiece must be maintained.
To do this, a jig or fixture is designed and built to hold,
support, and locate every part to ensure that each is
drilled or machined within the specified limits.
Jigs and fixtures are so closely related that the
terms are sometimes confuse ....etc

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I am looking for literature on the types of jigs and fixtures and the locating and clamping device to deliver lecture to the students of mechanical engineering. Can u help me out in providing the requisite information preferably in power point. ....etc

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I want the material of machine tools subject. ....etc

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types of jig & fixtures with neat and easy sketches available ....etc

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