I wonder if everyone is aware ofCopper foil flexible connectorsHaving some understanding of the manufacturing process, according to the editor's knowledge, the manufacturing processes of copper foil flexible connectors are: pressure welding and brazing. What are the two types of flexible connectors represented by pressure-welded flexible connectors and brazed flexible connectors?

1. Press-welded flexible connector: press welding presses the overlapping parts of the copper foil together using molecular diffusion welding, and forms by heating with a large current; copper foil thickness: 0.05mm to 0.3mm.

2. Brazed flexible connector: Brazing involves pressing the stacked copper foils together and using silver-based brazing material, with the force applied to the flat copper block. The copper foil flexible connector uses T2 copper foil, which is slit to the width required by the customer, and is welded using high polymer dispersion welding or argon arc welding technology. The whole or surface can be plated with silver, tin, or nickel.

1. Flat head, Grinding head

(1) Small workpieces are ground with a belt grout machine, including ends, sides, chamfers, or burrs

(2) Large workpieces use a milling machine to polish the ends, and the sides are processed by grinding.

(3) Special processes require additional equipment for processing

2. Drilling, punching, trimming, and forming shall be strictly processed according to the drawing specifications to ensure they are within the tolerance range, with smooth hole walls and burr-free holes. If rough hole walls, flanged holes, or loose holes are found during punching, they shall be returned to welding for reprocessing and production.

3. Chemical electroplating or washing, water washing

(1) Plating requirements must meet customer requirements, such as coating thickness and plating media (silver, nickel, tin)

(2) During preliminary treatment for plating, the thickness of the original copper on the upper and lower surfaces of the workpiece must be ensured, without prolonged corrosion

(3) Plated workpieces must be cleaned promptly with water or other cleaning agents to remove residual chemical solutions to prevent secondary corrosion.

(4) After drying, perform anti-oxidation treatment or provide electrical contact protection.

Do copper foil flexible connectors require chemical plating cleaning and rinsing? Yixing Xindake tells you that for workpieces with surface-mounted copper strips, passivation maintains the original color, and then proper sealing treatment is done. Electrical contact protection is generally referred to as cleaning and rinsing, which is to water-polish the surfaces of workpieces with silver-plated copper strips, nickel-plated copper strips, or other different plating, making them shiny, and then perform sealing treatment.