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3 things to consider before starting a plastic molding project

Are you considering bringing your product to market, but would you like to spend less to achieve this? In order to achieve this goal, you need to have a good understanding of the factors that affect the cost of plastic molding.
We have more than 20 years of experience in this industry and we are happy to help you develop your products. To help you get started, here are three considerations that ultimately determine the cost of producing plastic goods.
Creative composition and construction.
The main factors determining the price of plastic parts are circulation and machine use. Larger plastic parts require more load, pressure and machine speed than smaller plastic parts.
Huge molds that use injection molding machines of 500 tons or less require more time to install, which increases the cost of plastic parts. On the other hand, the size of the plastic part and its thickness affect the cycle time. The larger the product size, the greater the thickness and the higher the price. Additional machine use and material usage also increase the cost of plastic parts.
Another factor to consider is surface treatment; low-end beauty finishes are the most affordable, medium-to-high-quality finishes are expensive because the surface of the product is polished or textured and the tool marks are taken away, while high-quality finishes Face is the most expensive because of the extra labor.
Before the start of the manufacturing process, talk to the plastics engineer about the product design, if possible, equip them with CAD and 3D drawings and provide all the details, dimensions and complexity of the required product. By creating a manufacturing process, you can determine how the product is designed and how it looks in the process. To prevent the unexpected cost of additional tools, ask the plastics engineer about the manufacturability of the design.

Raw Materials.
Plastic raw materials for quick buckles or other products have different price ranges. Polystyrene, polyethylene and polypropylene resins are less expensive than liquid crystal polymers (LCP) or polyetheretherketone (PEEK) because of their more complex properties. In addition, resins that require higher temperatures require harder plating die steel or Rockwell hardness, which is another factor that increases costs.

How big your product is, the complexity of the design determines the cost of the tool. Large molds are needed when you need large parts, and they require more time for smaller molds. More holes per charge will increase costs. For example, double cavitation. It can actually increase the tool cost to around 60% to 70%! In some cases, the increase in cavitation will also generate more parts in an hour, reducing the machine cost per product.
There is an exception. Molds with more cavities may require larger press sizes. This increases the variable cost of space, settings and power. If the cost of the press presses the press rate amortization, the larger press cost will be higher. But in general, the savings we get from more cavitation exceed the increase in the cost of the press.
The total cost of using an injection cavity is highly dependent on its application. Always taking into account that the product design and product application affect the machines, tools and cycles of each product part, all of which directly determine the cost of production.

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