Do’s and Don’ts When Having Custom Plastic Injection Molding Manufacturing Process

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If you need assistance in finding the right manufacturing company, you have come to the right place. We will help you understand injection molding and provide you some tips that will help you in the process.

The Manufacturing Process of Injection Molding 

Injection molding custom plastic is one of the most common manufacturing processes. Because of its high production rate and cost-efficiency, especially for large volume productions, it has become an ideal method for those who need to mass-produce plastic parts. Furthermore, injection molding’s edge compared to other manufacturing processes is that it has the ability to replicate even the most intricate design because of the high pressure injecting feature of the machine.

To further understand how injection molding works, here is a brief breakdown of the four main steps involved in the process:

Clamping

The mold of the desired product has two halves. These halves are then clamped on the injection molding machine. It is essential for the device to ensure that these two parts are closely pressed to each other during the next step, which is injection.

Injection

During the injection process, pellets made out of the plastic material chosen are poured into the machine. Because of the high temperature, they become molten material once they enter the injection unit. They are then injected into the mold using high pressure to ensure that every space and corner are being filled in.

Cooling 

The machine will then cool down the mold for the material to solidify. Depending on the product or the design, cooling time may vary.

Ejection

Lastly, the finished product is ejected from the machine, and the process will just repeat itself.

Depending on how satisfied you are with the finished product or any finishing touches required, a manufacturer can handle added value services like packaging, painting, assembly, packaging, etc.

Do’s and Don’ts with Injection Molding Manufacturing 

When looking for a manufacturing company that foes injection molding, we have some tips that you may find helpful. Here are the things you should do and should not do when hiring a manufacturer and availing of injection molding services:

Do’s:

Do the necessary research.

As always, you have to ensure that you have enough knowledge about the industry before starting any transaction. Think of it as getting equipped before you go to war. Make sure that you understand everything once you communicate with a supplier and avoid getting tricked or scammed just because you are clueless.

Allot a substantial budget for initial production.

Yes, injection molding is cost-efficient. However, initial costs can be costly since you have to procure a mold, tools, and machines. But, rest assured that once all of these are paid off, your next production will require significantly lower costs.

Construct a reasonable timeline.

The key term here is “reasonable.” Again, the initial preparation for injection molding can take several months since you have to produce your mold and the tools. You also have to have access to the appropriate machines. Once you have overcome these, production proper is just as fast as they say it is with high output rates and efficient production time.

Prepare your design beforehand.

When having a mold produced or finding a manufacturer that could accommodate you, make sure you have your design ready. For manufacturing companies, they use your design as the basis on how much your quotation or estimate costs will be.

Go with a manufacturer that is proven ethical.

Choose a company that strictly follows regulations. This is to ensure that you expect no legal conflicts during production. Furthermore, work with a manufacturer with a good reputation and guarantee quality injection molding services. 

Invest in good quality tooling.

Another factor that would affect the quality of your products or parts is the quality of the toolings used. Think of it as an investment that you can use for the next production.

Know potential issues that may arise during the process.

It is vital to have the ability to foresee. Try to anticipate potential problems and resolve them before they even arise. This would avoid any unnecessary mistakes in production and excess costs.

Don’ts:

Avoid rushing the process.

As we mentioned earlier, although production proper is fast, you still cannot rush injection molding manufacturing. You have to have the right tools and the best mold, and those things cannot be rushed.

Do not hire a manufacturer just because of costs alone.

When choosing a manufacturer, do not get lured in just because they offer the most affordable rates. At times, you end up with low-quality products and additional costs that were never mentioned in the beginning. Find an injection molding company that is transparent and known to be reliable. What you want here is to make the most of what you are paying and maximize as much ROIs by investing in excellent services and good-quality products.

Do not settle with a manufacturing company located far away.

Lastly, as much as possible, find a manufacturer that lives the closest to you. This will cut down unnecessary delivery and transportation fees.

A step-by-step guide when transacting with injection Molding Companies 

When you are trying to communicate with a manufacturing company that specializes in injection molding, here are the steps you can do and what you should expect in the process.

  • Find a reputable company.

We have reiterated this a couple of times already — find a company with a good reputation, and all else follows. Check their credibility by looking for testimonials from past clients.

  • Ask for quotations.

Once you see a manufacturer that you think is competent and reliable, ask them for a quotation. The quotation will include the estimated costs needed for the production. You may need to submit a bit of information about your product and its design.

  • Communicate with your prospect manufacturer.

Contact the company and ask them relevant questions about their service. In case you need some clarifications, this is the best time to raise them. Talking with them will help you assess an excellent company to hire for your manufacturing needs.

  • Mold and tool designs and production

Once you have settled with a company and signed a contract, it is time to procure those molds and tools. After that, production proper can finally begin.

Remember to only work with credible companies to make sure that you are getting your money’s worth. The manufacturing part of being an entrepreneur can be the most costly, so at this point, you ensure that you are only making the right decisions.

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