FIELD: electrical and power engineering; sealed entries for passing conductors into pressurized premises or locations.
SUBSTANCE: proposed sealed cable entry designed to pass Lead-in cables into pressurized premises or locations has cylindrical metal body with flanges attached to its butt-ends by way of electric-arc welding for passing through them mineral material covered and insulator-terminated cables; insulators are made of oxide ceramics with titanium evaporated on them at solder points for better wettability of AgCu and ceramic surface. Proposed manufacturing process is characterized in that insulators are joined to metal sheath of mineral insulation covered cables by way of active soldering with AgCuTi system in vacuum furnace.
EFFECT: enhanced quality of soldered joints, simplified design of sealed modules, reduced number of process operations.
2 cl, 1 dwg
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