Welding technology of center pillar reinforcing plate
A welding process and reinforcement plate technology, which is applied in the field of welding process of center column reinforcement plate, can solve the problems of long time and fast heat conduction, reduce the influence of heat radiation and improve welding efficiency
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Embodiment 1
[0059] This embodiment provides a welding process for a central pillar reinforcement plate, the structure of which is shown in the figure.
[0060] The welding process of the center pillar reinforcement plate,
[0061] S1: Preheating, respectively put the center column reinforcement plate and the weldment to be welded into the heating chamber for a certain period of time, so that the temperature of the center column reinforcement plate and the weldment to be welded can be increased;
[0062] S2: The fixture is fixed, and the preheated center column reinforcement plate and the weldment to be welded are fixed by the welding fixture, so that the weldment to be welded is positioned at the position to be welded;
[0063] S3: combined welding,
[0064] S3': Simultaneous partial welding of the first weldment, the fourth weldment and the third weldment;
[0065] S3″: Weld the remaining parts that need to be welded on the first weldment, the second weldment and the third weldment;
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Embodiment 2
[0093] A welding process for a central pillar reinforcement plate, which differs from Embodiment 1 in that:
[0094] S3′: When performing local welding on the first weldment, the edge close to the right side of the gentle section on the first weldment is welded, and the brazing welding method is adopted;
[0095] Fix the second weldment by spot welding;
[0096] When performing partial welding on the third weldment, the edge close to the right side of the gentle section on the third weldment is welded, and the spot welding method is adopted;
[0097] S3″: Weld the edge of the first weldment close to the left side of the gentle section by spot welding;
[0098] The fourth weldment is welded and fixed by fiber welding;
[0099] For the third weldment close to the left side of the gentle section, spot welding is adopted.
Embodiment 3
[0101] A welding process for the reinforcement plate of the central pillar frame, the difference from Example 1 is: S1: preheating, respectively put the reinforcement plate of the central pillar and the weldment to be welded into the heating chamber for a certain period of time, so that the reinforcement plate of the central pillar and the The temperature of the weldment to be welded is increased. The specific operation method is:
[0102] F1: First put the center column reinforcement plate and the weldment to be welded into the heating chamber, keep the temperature in the heating chamber at 300°C, and place it for no less than 2 hours;
[0103] F2: Take out the center pillar reinforcement plate and install it on the welding fixture;
[0104] F3: Use a hot gun to blow air on the central column reinforcement plate, and reciprocate the air along the length of the central column reinforcement plate. After blowing the side with the groove, blow the other side of the central colum...
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