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The water-jet precision in metal
(21) | 21/10/2015 | Translate: Demonstration of precision with which water cuts metal with a water-jet Jet, constructing a small propeller.
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Designs on marble with water cutting Hydro-cutting machine precisely creates beautiful designs on marble. The cutting is achieved through a package of small diameter water (0,5 – 1,2 mm) and Pro-high pressure (about 3500-4.000 atmospheres).- Waterjet technology A piece of granite is cut with high precision using water-jet method. The cutting is achieved through a package of small diameter water (0,5 - 1,2 mm) and Pro-high pressure (about 3500-4.000 atmospheres). The small diameter of the bunch actually makes possible to cut even the most difficult projects with corners or small shooting that couldn't be cut with any other tool.
- Fire in the water In a metal factory, hot pieces of metal enter the water.
- Filling the pool on the yacht A yacht with a folding platform which is used to fill the swimming pool with sea water, and as a pier for boats and jet skis.
- Waterproof drone that flies and submerges in water The Mirs-X is a quadcopter that flies like a standard drone, but can also submerge and move through water, using the same four propellers. Researchers at the Chinese University of Hong Kong designed the prototype to hover for six minutes in the air or stay underwater for about 40 minutes.
- Ferrari 488 with improved engine Two young people from Vietnam (MOST TV) They built their own Ferrari 488 using fiberglass, metal and wood as basic materials. In place of the engine they put a gasoline engine that was used as a water pump.
- Electric arc furnace The electric arc furnace is a huge refractory boiler in which metals from three huge graphite electrodes are melted. You can also see in the video a cooling system that constantly sprays water on the surface of the electrodes. The smelting furnace is used for smelting scrap and ore. Its biggest disadvantage is the huge energy consumption and electric melting is efficient only when carried out on a large scale. The theoretical amount of energy required to melt 1 ton of waste is 300 kWh.
- Why should not you put water on an anvil Blacksmiths often take pictures as they strike a metal at the anvil, with a spark bursting everywhere. This explosion effect is created by putting water on the anvil, heating steel to its melting point and then tapping the steel on the anvil. The blow creates a blast of steam that launches many sparks, but it is quite noisy and dangerous.
- Explosion at a copper factory (Russia) An explosion is caused in a copper furnace, at a factory in Norilsk, Russia. When a container pours cold metal into the oven, it probably also contained a quantity of water that provoked this violent reaction.
- Construction of a large metal sphere The construction of a spherical gas tank from metal. To take its spherical shape, the tank is filled with water, and explosives are placed in its center. The explosives are detonated, and according to Bernoulli's law the pressure of water during the explosion spreads the volume of the metal evenly.
- Fire helicopter achieves precisely the objective of Near the village of Burns Lake, in British Columbia, Canada, a fire fighting helicopter S-64 Skycrane intervenes to extinguish the fire. The pilot throws the water with great precision in the outbreak of fire.
- Fire high pressure gun The hose PyroLance water jet with such a high pressure, that may even pierce and metal. Then spray water inside the building. This reduces the internal temperature and the possibility of ignition. Firefighters can use in the future to facilitate fire fighting in inaccessible buildings.
- Steelworks worker puts the hand into molten metal A worker steelworks passes his hand beneath the molten metal without burning. This "Magic" due to the Leidenfrost effect. The worker has rained hand, and when the metal comes into contact with water, steam creates a "shield" over the skin. The phenomenon was explained on the show Mythbusters, which you can see here.
- A large piece of sodium in water The sodium metal reacts violently when in contact with water, producing hydrogen. Like all other metals, sodium reacts exothermically with water, as a result the heat released is often sufficient to cause a small explosion.
- Large-scale smithing Chinese blacksmiths forge a piece of metal in a gigantic hammer, in order to build a large flange. The teamwork and precision pointing at such a large scale is impressive.
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