Through these varying processes, we can provide Zinc, chrome, nickel and lacquer plating; the most suitable plating finish will be determined by our team in line with the requirements of a project and expectations of our clients.
Our encompassing plating services are performed in conjunction with pre-treatments and polishing operations for the best quality finish.
The quality and reliability of H&J Speake’s British manufactured cast parts have enabled our decades of operation as a business, working with established companies across a global supply chain for the delivery of high volume critical components.
It is our dedicated team, working hand in hand with clients throughout our comprehensive casting service, which enables H&J Speake to provide complete customer satisfaction for our quality cast parts.
Whether seeking increased durability and strength, or for decorative purposes, plating offers many advantages as a finish to both our zinc and aluminium parts. With the provision of Zinc, chrome, nickel, and lacquer plating, H&J Speake can cater to a variety of requirements.
We offer both barrel and rack electroplating for high volume small or large components, selecting the most appropriate method for each project. In-depth design consultations with our experienced team will determine this during the initial stages of a project.
H&J Speake can further provide delivery of cast components, guaranteed on time, for all industries.
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In short, the metal plating process is based on electrolysis. The part to be coated is dipped into a bath of acid solution, along with an anode. The anode will contain the metal which plates the part, whilst the part to be plated acts as the cathode.
When exposed to an electric current, the positively charged ions on the anode will then transfer to the cathode, essentially covering it in an even metal coating.
There are several benefits of metal plating, including:
- Improved durability - plating can improve the strength and hardness of a part, as well as protection against corrosion and chemical damage
- Improved appearance of a part - both a matte and glossy look can be achieved after metal plating
- Heat resistance - depending on the plating material, improved heat resistance can be attained
- Low maintenance - plated parts need less cleaning and are easier to clean due to the smooth surface
Powder coating and metal plating are both finishing operations which provide a protective coating over a part. Powder coating involves spraying a dry powder which cures on parts, whilst electroplating involves electrolysis to deposit the coating; powder coating produces a strong paint-like coat, whilst electroplating deposits a metal coat.
Aside from these differences, electroplating is often chosen for its ability to enhance properties of a part, such as heat resistance, and to produce thin finish. On the other hand, powder coating offers a variety of custom colours, with a thicker protective coat.