Cost Of Injection Molding Prototype
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Cost Of Injection Molding Prototype

Injection molding process is commonly used in the production of various components in many different industries. It is also known for its high efficient and relatively high quality. Many factors go into determining the price of a molding process. Some of these include the complexity of the product, the quantity of material required, and the time needed to produce the finished product. This article will explain why the cost of injection molding is so expensive, as well as how to reduce it. It will also give useful tips on how to save money.
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Injection Molding Costs, Making My Injection Molding Prototypes


Injection molding process is commonly used in the production of various components in many different industries. It is also known for its high efficient and relatively high quality. Many factors go into determining the price of a molding process. Some of these include the complexity of the product, the quantity of material required, and the time needed to produce the finished product. This article will explain why the cost of injection molding is so expensive, as well as how to reduce it. It will also give useful tips on how to save money.


Why is Injection Molding So Expensive?

Injection molding is a process used to produce plastic parts. These components are injected into a metal mold. The injection mold is the most expensive component of a molded plastic project. It’s because of its complexity and cost.


1. The materials used to make the mold are quite costly

The materials used for making the mold have to be high grade, hence their expensive cost. Since injection molding is a demanding process, most machinists make their mold work by using solid materials that can withstand the high pressure. This ensures that the plastic pellets they make will not break or deform in the face during their test.


The mold base contributes to the high cost of molding.

The base is a case that holds all the cavities in place. It also comes with other components such as the mold insert and the other parts of the mold.


2. The complexity of the part to be produced

The complexity of a part makes injection molding more expensive. In other words, the more complex the part you want to produce, the more expensive it is to make. Since they make multiple molds for a given design, it is very difficult to modify them. This is one of the main reasons why molding is so expensive!


Breakdown on Injection Molding Costs

This calculation is based on the various phases of injection molding. It takes into account the various processes involved in making these components. Various factors such as the type of materials used, labor costs, and production time are also taken into account when calculating plastic injection molding costs. The factors to consider include:


1. Cost of the plastic injection mold

Injectable mold sizes vary widely and can be purchased at different prices. Due to their complexity, many people end up spending a fortune on them. However, if you need a single cavity mold, you don’t have to bother about spending so much on purchasing a mold with multiple cavities.


2. Cost of Polymer resin material

Production of plastic injection molded products depends on the quality of the resin used. The resin's quality is very important to the cost of the plastic injection molding process. Engineering resin is a material that has higher chemical resistance and better strength. However, it's usually more costly than commodity resin like polyethylene. If you want low-cost injection molding, you can opt for resins made from recycled plastics. They are more affordable.


3. Cost of labor

Aside from the skilled labor of the company, the cost of doing business also includes the maintenance of the machines and the tool bits needed for the job.


Tips to Reduce Injection Molding Costs

Although it's not rocket science, there are some simple and effective ways to reduce your injection molding costs. These tips will help you save some money while working on your designs.


1. Avoid Unnecessary features

In most cases, adding molded part numbers, textures, and company logos is not necessary for your designs. However, in some cases, such as aerospace applications, these may be required in order to avoid resin consumption. In some cases, such as military applications, permanent part numbers may still be required. You can also save cost by using mill-friendly fonts like Arial, Century Gothic, or Verdana. However, these are not mill-friendly fonts and should not be used for production. You should keep your font at least 20 pt to be legible. Doing so will require more resin.


2. Only use cosmetics when required

Although it’s nice to have beautiful finishes on your parts, some cosmetic procedures are not necessary to save cost. If they are, then avoid using them. However, if you still need them, then do not use them. If the task is not urgent, then don't use them. Instead, polish the parts first to save cost. Doing so will reduce the area required to polish the entire body.


3. Mold mods

Instead of buying a new mold, re-machine one that fits your needs instead of just purchasing a new one. Doing so saves you money and helps lower your Injection Mold Cost. To avoid buying a new machine, just replace the old parts with the ones that are needed to meet the new requirements. Doing this will allow you to upgrade your machine without spending a huge sum of money.


4. Choose a suitable mold size

Having the right mold size can help save you a lot of stress and money. It can also help you avoid costly mistakes. A good choice is to choose an injection mold that fits your part quantity. A larger quantity will require more bridge tooling.


You could also get an estimate of the cost of your injection molded process and injection molded prototypes in a short time with TEAM MFG's quick quoting system. Contact our team at enquiry@teamrapidtooling.com today!


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