FRICTION WELDING METHOD WITH ALUMINIUM WROUGHT ALLOYS MIXING Russian patent published in 2017 - IPC B23K20/12 B23K103/10 

Abstract RU 2634402 C1

FIELD: metallurgy.

SUBSTANCE: welding tool with a pin with the length of 5.8…11.8 mm, cylindrical in shape, with left-hand thread and support collar with the diameter of 18…28 mm is used. Before welding, sheet parts with the thickness of 6…12 mm are fixed in the vice and the welded edges are milled along the plane. The rotary tool is immersed into the joint of the parts to be connected to the predetermined depth equal to 95-98% of the thickness of the welded parts. The tool is immersed into the joint of the parts to be connected with a minimum speed of vertical movement 10…16 mm/min and a high speed of rotation 300…500 rpm, while the tool angle is changed with respect to the vertical axis from 0° to -1.0°…-2.0°. The immersion depth of the tool is adjusted in accordance with the axial force values obtained from the machine feedback sensors. Then, while maintaining the angle and speed of rotation, the tool is moved along the joint line at a speed of 300…400 mm/min with constant axial force of 23…34 kN. On completion of the welding, the rotary tool is raised and removed from the joint.

EFFECT: method allows to increase the hardness of the welded seam.

9 dwg, 1 tbl, 1 ex

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RU 2 634 402 C1

Authors

Karmanov Vadim Vladimirovich

Kameneva Anna Lvovna

Vinokurov Nikolaj Vladimirovich

Karmanov Vitalij Vadimovich

Dates

2017-10-26Published

2016-07-04Filed