Formed foil connecting method
A technology of forming foil and light foil, applied in the field of capacitor aluminum foil production, can solve the problems of increasing power cost, low efficiency of corroding foil riveting, affecting product quality, etc.
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Embodiment 1
[0044] In the prior art, riveters are mainly used to overlap and rivet the two ends of a section of light foil with the corroded foil A and the corroded foil B, so as to achieve the purpose of controlling the connection of the upper and lower corroded foil rolls and being able to withstand the formation of a large current. The situation after riveting and foil is attached Figure 1~4 shown. However, the riveting method has the following disadvantages:
[0045] (1) When connecting the foil with a riveter, the tail end must be connected in advance, and then the joint end will be connected after the foil roll is gone. It takes more than 30 minutes for a single joint, and the operation is efficient.
[0046] (2) The formation process of riveted joints is easy to break, resulting in line stop and foil damage.
[0047] (3) There are high requirements for riveting skills of personnel, strict requirements for education and training, and the training period is at least 1 month.
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Embodiment 2
[0060] A method for forming into foil and connecting foil, the steps are as follows:
[0061] Step 1, the thickness of etched foil A and etched foil B is about 70-130 μm, clean the ends of etched foil A and etched foil B to be connected, and remove surface impurities by flame baking.
[0062] Step 2, take the light foil, the thickness of the light foil is about 45 μm, and the width is 9 cm. Carry out heat treatment on the light foil, the temperature is about 1750 ℃, the time is about 25s, cool down and set aside.
[0063] Step 3, place the etched foil A and the etched foil B on the stainless steel platform, overlap the end of the etched foil A and the end of the etched foil B, and the width of the overlapping area is 1 cm. Place the optical foil on the overlapping area of the etched foil A and the etched foil B, and the optical foil evenly covers the overlapping area, that is, the overlapping area corresponds to the center position of the optical foil web.
[0064] Step 4:...
Embodiment 3
[0073] A method for forming into foil and connecting foil, the steps are as follows:
[0074] Step 1, the thickness of etched foil A and etched foil B is about 70-130 μm, clean the ends of etched foil A and etched foil B to be connected, and remove surface impurities by flame baking.
[0075] Step 2, take the light foil, the thickness of the light foil is about 50 μm, and the width is 10 cm. Carry out heat treatment to the light foil, the temperature is about 1900 ℃, the time is about 20s, cool down and set aside.
[0076] Step 3, place the etched foil A and the etched foil B on the stainless steel platform, the end of the etched foil A overlaps the end of the etched foil B, and the width of the overlapping area is 1.3 cm. Place the optical foil on the overlapping area of the etched foil A and the etched foil B, and the optical foil evenly covers the overlapping area, that is, the overlapping area corresponds to the center position of the optical foil web.
[0077] Step 4:...
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Abstract
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