Reel to reel plating

Our reel to reel plating facilities use advanced technology to apply coats of copper, gold, nickel, palladium, silver and pure tin precisely and economically.

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This enables us to rapidly plate high volumes of metal strip from a spool, with minimum waste and maximum cost-effectiveness.

Operating at up to 20 metres a minute, our machines work with either plain strip up to 100mm wide, or pressed components, and can handle up to ¼ tonne.

When multiple, pallet mounted layer reels are used, they can process 500,000 parts per layer.

Figures provided depend upon variables such as the pitch between components, the complexity of components and the coating thickness required. 

Selective electroplating

When you need selective electroplating, we can apply economical coatings of different metals in single or multiple stripes along the entire length of a reel. This can be a plain, part-blanked, or fully stamped component strip.

We can also spot plate using custom built tools to deposit gold or silver onto a specific component area, such as the critical contact surfaces of electrical connectors just 0.2mm diameter. For bandolier mounted pin type components, to minimise coating material use and cost, we can also ensure that only the outer contact surfaces are coated.

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And if you need flexible circuit processing, we can process continuous rolls up to 600mm wide, which is far more cost-effective than transferring single sheets from bath to bath.

Surface treatments for complex components

For complex 3D components, we use a 'contour plating' surface treatment to apply gold or silver metals. This is as selective as brush plating, but has the advantage of positive masking, a higher deposition rate and none of the problems usually associated with brush heads.

Additive masking from Precious Plate offers ultra selective, high-speed plating of continuous coil-stock, which is ideal for applications requiring extremely tight tolerances.  This patented reel-to-reel selective plating process designed and developed in conjunction with Precious Plate’s sister company Precision Process Equipment offers new opportunities for selective plating. 

How Additive Masking Works 

Continuous coil-stock is fed through a reel-to-reel plating line where (if required) an overall deposit of copper and/or nickel is applied. Subsequently, one or more continuous stripes of masking material are applied to the surface of the metal strip. After masking, the strip moves through a curing process rendering the maskant inert to the plating solutions and ensures that subsequent plating occurs only on the unmasked surfaces. When plating is complete, the mask is removed, exposing the undercoat of nickel. This selective plating process is capable of supplying customers with pre-plated continuous coil-stock with stripe location tolerances of +/ - .004 in (0.1 mm) at line speeds well in excess of 150 feet (45 m) per minute. 

While additive masking has been used primarily with tin and tin/lead pre-plating, it has significant potential in selective plating processes where gold plating or other precious metals require plating at extremely high tolerances.

Benefits of additive masking

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• Additive masking offers ultra selective plating of tin, tin/lead, and possibly other metals 
• Additive masking provides high-speed plating of continuous coil-stock Metals used Tin and tin/lead plating Gold plating