DEVICE FOR COOLING ELECTRODE-CAP OF CONTACT POINT WELDING (CPW) Russian patent published in 2017 - IPC B23K11/10 B23K11/30 

FIELD: electricity.

SUBSTANCE: electrode-cap with a conical and cylindrical surface of its cavity is mounted on the front conical surface of the hollow cooled holder. In the wall of holder transverse windows connected to its cavity are made. Axial cavity of holder consists of the main cavity, performed at his back, and extra cavity in front of the holder in which the tube with lateral clearance for refrigerant inlet is installed, fixed by rear end into the main cavity holder. The tube is made from expanding to its end bell mouth and posted to exude of said bell mouth to front end of holder with the formation of axial and circumferential clearances between the surface of bell mouth and cylindrical surface of electrode-cap cavity. One of the transverse windows of the holder is opened to said side clearance in the additional cavity of holder, and the other - to the main cavity of holder.

EFFECT: device has a simple design with a reduced length of the holder and sleeve, and provides high reliability and durability of the electrode.

4 cl, 3 dwg