A pantograph (Greek roots - all, each and - write, from its original use to copy writing) is a mechanical link connected in a way based on parallelograms so that the movement of a pen, Image, produces identical movements in a second pen. If a line drawing is drawn by the first point, an identical, enlarged, or miniaturized copy will be drawn by a pen attached to the other. Using the same principle, different types of pantographs are used for other forms of duplication in areas such as sculpture, minting, etching and milling.

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fabrication of accident preventing system in cutting machine
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we want the components required to construct, their design ,working, constructional design advantages, disadvantages, applications, etc. ....etc

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hello sir.. am a mechanical engineering student.. i have an idea to do project on tea leaf cutting machine.. so can you help me with some materials regarding fabrication??.. i look forward for a reply from you.. ....etc

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accident avoiding system for heavy cutting machine materials ....etc

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fabrication of sheet metal cutting machine ppt download

Abstract

Use of aluminium is increased now days in many industries like automobile, packaging, medical etc. The reason behind this is that the aluminium made things are quiet easier to manufacture, handle and reliable to use. So the aluminium goods manufacturing industries are striving hard to produce good quality products at large scale and cheaper cost. Hydraulically operated machines are too costlier for small scale and medium scale industries. This paper deals with pneumatically oper ....etc

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Abctract

This paper deals with the design and fabricate the air operated glass cutting machine. Cutter is a common tool used in various cutting shape for a variety purposes. In this project, a glass cutter is provided which can form, using a wheel, a uniform crack in glass even when a projection or an earlier-formed scribe line is present on the glass. When the wheel is moved on the glass, a fracture layer is formed causing a rib mark to be formed below the fracture layer and a crack to be formed below the rib mark. To cut the glass, the crack ....etc

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Automatic bar feed mechanism having a push rod movable to and from a rod machine such as an automatic winch to feed a bar material thereto, the push bar being driven by a motor in the initial stage of the Feed stroke and including the machining operation. Means are provided to prevent the bar material from being accelerated by the gravitational drive to strike against parts of the bar machine. The motor drive further operates in cooperation with a clamping mechanism for engaging the bar material.


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