THE GRIP AT

VISE ON YOUR ORDERWhat would be a good tool or even the machine had craftsman in the house, just drill a hole or accurately process the workpiece by holding it with pliers, and even more in the hands of, quite frankly — impossible. Therefore, in the Arsenal of anyone, even a beginner DIY enthusiast, there is Vice. However, and this adaptation is not always thus, what is required, especially when high dimensional accuracy of the parts, strict parallel, or perpendicular to its surfaces, etc., etc.

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THE MYSTERY OF THE STUBBORN BOLT

MYSTERY BOLT RESISTANTTo the two parts worked as a whole — they should be connected to. Where possible, use bonding, soldering or welding, but all these options are permanent fixtures. And here is the bolt to nut connection is universal: he is subject to any material, and if necessary disconnect them tight elements of the design — this fixture is easy to Unscrew. However, such a connection provides the necessary resistance only when the bonded parts are inactive; and in the event of impact, for example, vibration can fail because of such insidious phenomena as samothracian.

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ELLIPSOGRAPH

ELLIPSOGRAPH — is the name of this simple device. It can be used to draw an ellipse with any ratio of the semiaxes. It is enough to set into the holes on the line of alignment pins to align the center of ellipsograph with the future centre of the ellipse and rotate the line by Read more…

RUBBER CUTTER

No one is surprised that for drilling different holes require different tools. The bit set can not do, does not matter. The trouble is that the tool change takes a lot of precious minutes. How to avoid this! In various companies are innovators in different ways solve this problem. There was, for example, drill bits with a stepped diameter, one such tool allows you to drill small and large holes. And where this range should be really very great work on the turret with permanently fixed at their range of drills.

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HOMEMADE ELECTROPLATING

HOME ELECTROPLATINGThe electroforming technique of electrolytic deposition of metals on the surface of various objects (matrices) with the aim of obtaining accurate metal copies were first developed and applied in practice in 1838 by the Russian scientist, academician B. S. Jacobi. With his direct participation had made many great works of art, statues and bas-reliefs for St. Isaac’s Cathedral, Hermitage Museum, Winter Palace, Peter and Paul Cathedral, including the famous Quadriga to front of the Bolshoi theater in Moscow.

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