Hi there! As a fellow maker of CNC machined parts, you know how important it is to have the perfect finish for your projects. That's why I'm excited to share with you my knowledge about chrome plating and its role in creating beautiful and long-lasting parts.

It can be a tricky process, but with the right technique and experience, you'll be able to make sure all your projects look great. In this article, I'm going to show you the art of chrome plating in CNC machined parts production. We'll explore everything from the importance of surface preparation, to the actual process of chrome plating itself.

You'll also get an inside look into how professional makers do it so you can take your own creations to the next level. With this knowledge, you'll be able to join a community of experienced producers who understand what it takes to make great parts.

Understanding The Basics Of Chrome Plating

Have you ever seen a shiny object and felt an inexplicable longing to touch it? Chrome plating is the secret behind this effect.

It is a process used to create durable, glossy surfaces on metal objects such as CNC machined parts. The surface preparation and plating techniques used in chrome plating ensure that the final product has a beautiful finish that stands up to wear and tear.

The process of chrome plating begins with the use of various chemicals to clean and polish the metal surface before applying a thin layer of chromium electroplated onto it. This layer acts as protective coating against corrosion, oxidation, and abrasion while providing an aesthetically pleasing finish.

To achieve optimal results, the surface must be properly prepared prior to application – otherwise the end result will not be satisfactory. Different techniques are used depending on the desired result; for instance, sandblasting may be used to remove any rust or other imperfections from the surface before applying layers of chrome.

With the right combination of materials and processes, CNC machined parts can be transformed into something truly stunning!

Preparing The Surface For Plating

Preparing The Surface For Plating

Before I get into the process of chrome plating CNC machined parts, it’s important to understand what goes into preparing the surface for plating. This not only involves analyzing your needs and selecting the materials, but also takes into consideration the type of finish desired.

The first step is to identify any existing damage or imperfections that need to be corrected before the part can be prepped for plating. My team will inspect each piece thoroughly and assess its condition so that we can determine if any repairs are necessary.

Once this is complete, I will then select an appropriate material for plating, such as nickel or brass. After that, I'll use a combination of mechanical and chemical processes to ensure the surface is free from any contaminants and ready for plating.

All of these steps are essential in creating a flawless finish on CNC machined parts.

Applying The Chrome Plating

I'm excited to talk about how to apply chrome plating to CNC machined parts production!

Firstly, proper preparation is key to ensure a successful chrome plating job.

Then, the process itself involves electroplating a thin layer of chromium onto the surface.

After that, it's important to pay attention to the finishing process to make sure the chrome plating looks perfect.

I'm looking forward to hearing more about this topic!


Getting ready to apply the chrome plating is a critical step in the process.

To make sure everything goes smoothly, surface cleaning and preparation are key.

This includes removing any existing rust or corrosion from the part, as well as polishing it to get rid of any scratches or imperfections.

Additionally, it's important to choose the right plating chemicals for the job.

Making sure you have all the necessary materials ahead of time will help ensure a successful outcome.

With careful planning and attention to detail, you'll be able to create beautiful chrome-plated parts with ease!


Now that the surface is prepared, it's time to start the chrome plating process.

This part of the job involves applying the desired chemical solution to the metal and then using an electric current to deposit a thin layer of chrome onto it.

It's important to be aware of costs and environmental impacts when choosing which chemicals to use.

Not only are certain products more costly than others, but some can also be hazardous to both people and the environment if not handled correctly.

With thoughtful consideration of these factors, you'll be able to achieve great results without sacrificing safety or efficiency.


chrome plating finished

Now that all the surface preparation is done and the chrome plating process has begun, it's time to finish up the job.

Finishing involves using different techniques, such as buffing, polishing, and etching, to get the desired look. It can be a tricky step since you have to make sure that you don't remove too much of the chrome while still achieving the desired result.

I recommend taking your time with this part of the job. You want to make sure that all of your hard work in applying the chrome plating doesn't go to waste!

Take into account all of the plating techniques that are available and figure out which one will help you achieve your desired effect. Remember: no matter what technique you use, safety should always come first!

Inspecting And Maintaining The Chrome Plating

Inspecting And Maintaining The Chrome Plating

Maintaining the perfect chrome plating on CNC machined parts is an art form. It’s a delicate balance of evaluating the thickness, ensuring quality control, and keeping up with wear and tear.

It is essential to inspect each piece to make sure the chrome plating is in pristine condition. Here are some tips to keep your chrome plated pieces looking their best:

  • Regularly check for any chips or scratches in the plating that could lead to corrosion.
  • Evaluate the thickness of the plating and compare it to manufacturer specifications.
  • Clean and polish regularly to prevent corrosion from dirt and dust build up.
  • Perform regular quality control checks to ensure all pieces are meeting standards.

By staying vigilant with routine inspections and maintenance, you can rest assured that your chrome plated parts will stay in excellent condition for years to come.

Pre-Treating The Chrome Plating

Before chrome plating CNC machined parts, they must undergo pre-treatment. This is an important step to ensure the best and most durable finish possible.

Electrolytic cleaning is the most common method for pre-treating of metals before chrome plating, which involves immersing the part in a tank filled with an electrolyte solution and applying electrical current. This helps remove dirt, oil, grease and other contaminants from the surface of the part.

In addition to electrolytic cleaning, chemical stripping may be necessary for removing existing coatings or corrosion. It requires immersing the parts in a caustic solution for a period of time to break down existing deposits on the surface.

After pre-treatment is complete, chrome plating can begin. The process usually begins with copper electroplating followed by a layer of nickel and then finally adding a layer of chrome to give it its distinctive shine.

With proper care and maintenance, CNC machined parts that are chrome plated can last for many years with minimal wear and tear.

Troubleshooting Common Chrome Plating Issues

Polished perfection and pristine plating are the primary purposes of chrome plating. Yet, despite the best planning and preparation, problems can still arise.

To troubleshoot common issues with chrome plating, consider the following steps:

Surface Preparation

  • Make sure all surfaces are clean and free of dirt, debris, oil or grease.
  • Check for any surface imperfections or damage that could lead to issues during the coating process.

Plating Technique

  • Ensure that all chemical solutions used in the chrome plating process are at the proper temperature and concentration.
  • Follow exact instructions when applying chrome plating to ensure a uniform layer of coverage on all surfaces.

In order to achieve successful chrome plating results every time, it is essential to take the necessary steps in advance to prepare adequately for the process as well as pay attention to detail during each step of application. With careful consideration and precision, you can maximize your chances of achieving perfect polished parts every time!


Chrome plating is an art form that requires precision and attention to detail. The process of chrome plating a CNC machined part is intricate and delicate, and every step needs to be done with care in order to achieve the desired result.

With time and practice, anyone can master the art of chrome plating. It's like creating a masterpiece - each step has its own significance, and when all are done correctly, you end up with something beautiful that will last for years.

My experience with chrome plating has been nothing short of amazing; I'm proud of what I've created each and every time.