Tank Certification

This machine is formed by a tank certification shelf

, usually wood laminate ant, in which there is provided a sump metal of about 65/70 cm in diameter and about twenty cm deep. At the center of this well check a large pin connected, inferiorly, to a spring device. From this pin will extend two arms horizontal axis, one ending with an adjustable weight, and one ending in a door crogioli.Sul edge of this well is fixed to a bracket which you can make an oxyacetylene torch shaped like a gun.

We proceed in this way: You load the spring mechanism of the horizontal arm with two or three turns, stops everything with a stop knob and setting a crucible nela flaps, end of an arm, then it is filled with the material you want. At this point oxy-acetylene flame is used to liquefy the metal. It 'a process that takes about 15 minutes and, therefore, the torch is fixed in the bracket in the orientation to obtain the optimum reverb in the crucible. Here comes into play 'ability smelter that must be very familiar with the flame and the metal to sense the exact moment when the molten alloy reaches the right temperature and viscosity to be injected into the cylinder, let us not forget, is in an oven to almost 800 .

When the metal is liquid at the right point with long tongs the cylinder is removed from the oven and placing it on a slide back to the crucible which has an outlet to the right spot to fit the cone formed in the plaster. Approach the maximum cylinder and crucible and freezes everything. Then you release the shutter molla.Il arm reaches a remarkable speed and the league, thanks to the centrifugal force, the cylinder is fired, forced to fill the void left by the wax has melted. The arm continues to rotate until the solder is not solidified inside, warmer, of the cylinder.

The worst is over. Now we have to wait for the tank certification cooling of the metal. Hammering the outside of the cylinder disintegrates the plaster which is eliminated completely even by beating on the cone of metallo.Si then thoroughly cleanses the sapling of metal in an acid bath and after with soap and water, brushing well. Finally, with a wire cutter, cut the posts of objects that start to work.

by: waltewagner

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