Electromagnetic contactor manufacturing method

摘要

An electromagnetic contactor manufacturing method includes a step of forming an arc extinguishing chamber connection portion by simultaneously brazing a fixed terminal and a pipe penetrating and fixed to a tub-shaped arc extinguishing chamber, and a tube portion of a first connection member in communication with an open end portion of the arc extinguishing chamber; a step of forming a cap connection portion having a flange portion extending outward in a radial direction from an open end of a bottomed tubular cap; and a step of disposing a flange portion of the first connection member and a flange portion of a second connection member in close contact with a base plate in which an aperture hole is formed, and welding each of the flange portions to the base plate so that the arc extinguishing chamber connection portion and the cap connection portion are in communication through the aperture hole.

主权项

1. An electromagnetic contactor manufacturing method, comprising:
a step of preparing independently a fixed terminal, a pipe, a fixed terminal support insulating substrate in a shape of a plate and including through-holes, a cylinder portion including one end integrally formed with a first connection member having a flange portion, a second connection member having a flange portion, and a base plate having an aperture hole, a step of inserting the fixed terminal and the pipe into the through-holes of the fixed terminal support insulating substrate; a step of brazing the fixed terminal and the pipe to the fixed terminal support insulating substrate, and simultaneously brazing another end of the cylinder portion to an outer peripheral edge portion of the fixed terminal support insulating substrate to form an are extinguishing chamber; a step of forming a cap connection portion having a flange portion extending outwardly in a radial direction from an open end of a bottomed tubular cap; and a step of disposing the flange portion of the first connection member and the flange portion of the second connection member in close contact with the base plate, and welding each of the flange portions to the base plate so that the arc extinguishing chamber and the cap connection portion are in communication through the aperture hole.