Business

How Do You Make Your Own Plastic Parts?

It is inevitable for us to use all kinds of plastic products every day; plastics are durable, water-resistant, and easy to make in any shape imaginable. The more difficult part is when you want to do your own plastics parts. You can end up paying high prices for the development if you’re not aware of the necessary steps. Make sure that you’re aware of the basics before looking into manufacturers for making your own plastic parts.

Plastic parts manufacturing is a type of business that used to be limited to major plastic corporations and big plastic companies. It was rare to see startup entrepreneurs and small businesses gamble on this specialized type of business. This is mainly because the equipment involved to create these small random plastic parts is a bit expensive and requires a lump sum of budget. Fortunately, there are now more outsourcing companies and affordable options in Asia who are willing to assist small up to mid-sized entrepreneurs with plastic parts manufacturing to make things happen despite a limited budget.

When outsourcing companies mediate with small businesses in the plastic manufacturing industry, it does not mean the manufacturing process gets degraded as the result of having a smaller budget. The clients still get to enjoy top-quality equipment operated by industry professionals in plastic factories. The only difference is that they collect several small orders and combine them so that even if they order a small quantity, it becomes feasible. Outsourcing companies provide these services of all-in-one manufacturing to cater to startups and any other company that need a small quantity plastics manufacturer.

The Process of Making Your Own Plastic Parts

In order to gain a better understanding of plastic parts manufacturing, let us break down the process and sub-processes involved in making your own plastic parts with the help of industry professionals. Here is a simple guide on how do you make your own plastic parts.

1- Make CAD/3D Design Files

Regular sketches and drawings of your plastic part designs aren’t acceptable in the world of professional manufacturing. These are only needed to get started for the concept. Your plastic parts designs will not be happy if you present manufacturing companies anything else but CAD/3D design files of your products. If you do not have the computer skills for it, you should think about hiring a professional graphic designer to translate your design from regular drawing into a standard CAD/3D design file.

2- Make a 3D Print Sample

Since you now have the visual representation of the product in the form of CAD/3D design files, you now have to develop an actual 3D print sample of your plastic part. The 3D print sample acts as the physical representation of your product but it does not have to be made out of the actual plastic material. The prototype can be made out of anything as long as it clearly resembles your product with the right dimensions and colors.

3- Make Metal Injection Molds

This phase is the most crucial part of all of the plastic parts manufacturing. Now you have to make the actual mold/s for your plastic parts. For those of you who do not know, a plastic mold is a cavity made out of stainless steel or aluminum which follows the shape of a specific plastic design to which it is patterned. A plastic mold can come in one or multiple parts depending on the plastic product design requirement. For multiple parts, a clamp is used to hold the parts together once the plastic material is injected.

By using the 3D print sample as a model, your plastic manufacturer will now create plastic molds based on it. Regular plastic takes a month or two to finish depending on the complexity of the design. Some may even take more than 3 months but this usually happens for big plastic item designs. When it comes to regular plastic parts, a month or two is a plausible timetable.

4- Do Mass Production

With the plastic molds ready, make the first sample out of it to make sure you get the desired product out of the molds. In case there are any errors to the first sample, you can easily determine where the process went wrong. If the molds itself is the problem then expect your manufacturing process to be pushed back for a few months since you have to redo the molds. This is why I cannot stress enough how critical the phase of creating injection molds can be. However, if the first sample comes out perfect then you are now ready for mass production.

Conclusion

These four steps on how do you make your own plastic parts are the standard step-by-step procedures followed by professionals in the plastic manufacturing industry. There can be some sub-processes added in between depending on some plastic manufacturers, but the four steps mentioned above already provide a great basic overview to get started.

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