![]() This is why using a prototype mold first is highly important.Ģ - Injecting / Packing Stage: Next, the screw pushes the molten plastic into the mold cavity where it takes form and begins the cooling stage. This is a complex process, and it will occasionally require you to start over and scrap the tool. But, if you are wanting to make the part smaller, you have to decrease the tool cavity's size, which would require adding steel or aluminum to it. If you want to make a dimension of the part slightly bigger, you can always make the cavity bigger by cutting away from the metal. Difficult to Modify: Since the tools are made from steel or aluminum, it can be fairly difficult to make changes.Typically, what you'll see is that a simple mold can be ready for use in 2-4 weeks, but a complex tool may take roughly 6-10 weeks. Most companies also require prototypes before final approval of production pieces, which only adds to the final lead time. Long Lead Times: Similar to the tooling costs, the lead times are impacted by the part complexity, size, and cavity requirements.While single cavity prototype tooling can be around $3,000-$10,000, in the automotive industry, injection molding tools can range anywhere from $10,000 - $100,000+.These are highly complex tools that are made from large blocks of hardened steel and are handcrafted to last. High Tooling Costs: Tooling cost is determined by the number of pieces needed (how many cavities will be required), part complexity, and part size.
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