Vital Variables Affecting Plastic Injection Mold Costs
When you seek to calculate the cost of plastic injection molding, don’t forget that the price included on the quote is just one of the factors that matter. It’s essential to include the buying price as well as lasting expenses that will be incurred once you’ve started using the tool and keep occurring over the mold’s entire life. Many different factors are responsible for these two components of your mold’s total costs.
These are the variables that can determine the quoted price of an injection mold:
Part Size and Design
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Large molds are needed to make large parts, hence higher costs of material. In the same vein, an elaborate part design calls for an elaborate tool design, which basically keeps the costs higher. On the contrary, mold design requires less sophistication when the output is also less sophisticated in design, helping lower tool costs.
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Plastic Type Choice
A more expensive tool may be necessary for handling particular types of plastics. For instance, higher tool costs are expected with material that’s unstable, corrosive, or has mineral, glass, carbon fiber, or other corrosive materials. This also holds in case of materials requiring high mold temperatures. Additionally, maintenance costs for the mold may be affected by the parameters in the long run.
Part Tolerance Requirements
In case the components to be output have tight tolerance specifications, the manufacturing process will be longer. In the end, there will be higher costs for maintenance as well as manufacture.
If you’re buying your mold for high-volume projects (in terms of hours as opposed to number of parts), the tool has to be of high quality to offer reliable service, which certainly will increase its cost. A mold with a higher number of cavities is also linked to higher manufacturing costs.
Cycle Time Needs
Even cooling is necessary over the entire cavity impression, or in each cavity for multi-cavity equipment if you’re going for swift machine cycles. To achieve that, a proper design for tooling and greater precision build are required, both of which add to tool construction costs, and in some cases, maintenance costs.
Country of Manufacture
The country in which your plastic injection machine was manufactured has a bearing expected costs and quality. An example is cost of injection molding in China, which may be lower than other places. Nonetheless, take quality into account as you assess the cost of local vs. outsourced plastic injection molding. To be safe from the complications that lower-cost machines may have, it helps to reach a fair compromise as you carefully weigh cost, quality, and your exact needs.
Are you looking for low cost injection molding? The above factors will contribute to the overall costs of the tool you buy.