Large Size Customization Riveted Tungsten Boat
1. Description of a Customized Large Tungsten Riveted Boat:
The tungsten boat becomes a riveted tungsten boat when two tungsten plates are joined together using rivets. Drilling, spot facing, deburring, inserting rivets, pressing the top die (top handle) against the rivets, and machine riveting are the steps used to create the form. The connecting of the rivets improves the tightness of the connection and increases the strength of the riveted tungsten boat. The riveted tungsten boat can be made larger in size upon request.
| Type | Main | Impurities <% |
| W | Ce | Th | Re | Al | Ca | Fe | Mg | Mo | Ni | Si | C | N | O |
| W1 | remainder | — | — | — | 0.002 | 0.003 | 0.005 | 0.002 | 0.01 | 0.003 | 0.003 | 0.005 | 0.003 | 0.005 |
| W2 | 99.95 | — | — | — | 0.004 | 0.003 | 0.005 | 0.002 | 0.01 | 0.003 | 0.005 | 0.008 | 0.003 | 0.008 |
2. Production Process of Large Size Customization Riveted Tungsten Boat:
Active riveting, fixed riveting, and sealed riveting are the three types of riveting. During active riveting, the joints can rotate with each other, and the flexibility is strong. The joints in the fixed riveting cannot move with each other. Workpieces made of hermetic riveting are gas and liquid-tight. Generally, the tungsten boat processing adopts the method of sealing riveting. Sealed riveting is to use ring groove rivets, high shear rivets, threaded hollow rivets, blind rivets, etc. Connection Type. First, drill the joint of the tungsten plate, then deburr, then insert the tungsten rivet, and finally use the top die (top handle) to hold the rivet, and use the riveting machine to rive the tungsten boat into shape.
3. Use of Custom Riveted Large Size Boat in Tungsten:
Riveted tungsten boats are currently widely used in the vacuum coating industry and the ship industry for sintering furnace sintering or vacuum annealing. Tungsten boats are also widely used in the electronic industry of picture tubes, mirrors, toys, household appliances, mobile phones, and electrical enclosures because of their good electrical conductivity, thermal conductivity, high temperature resistance, wear resistance and corrosion resistance. There are many specifications and shapes of tungsten boats. In addition, tungsten boats have high melting point, low saturated vapor pressure and stable chemical properties, and are widely used as resistive evaporation sources in the vacuum evaporation coating industry. Tungsten boat is an indispensable part in vacuum coating equipment, and the choice of tungsten boat determines the quality of the coating.
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