The Essential Role Injection Molders Play in Value Engineering

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    Warpage — How to Avoid this Common Injection Molding Problem

    It can occur in just about any injection-molded part or product — yet the experienced injection molder knows how to eliminate warpage from the production cycle and maintain a steady throughput of high-quality product that meets all customer specifications, including dimensional accuracy and tight tolerances.  

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    Insert Molding: How to Ensure Consistent Outcomes

    Insert molding is an injection molding technique that can provide effective solutions for a wide range of design and production needs.

    The first step is custom-building a tool to accept a solid component or product (insert). The insert is placed into the tool, and thermoplastic resin is injected into the tool cavity, coating the insert/product in a smooth layer of plastic. After cooling, the tool is opened and the product is removed and inspected.

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    The Benefits and Efficiencies of Design for Manufacturability (DfM) in Injection Molding

    Injection molded parts and components can be cost-effective solutions for projects spanning a breadth of industries, yet project budgets can quickly escalate if design flaws or tooling deficiencies lead to re-work. No OEM can afford the wasted time, money or materials, not to mention the lag in getting products to customers or to market.

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    4 Ways Resin Selection Impacts Tight Tolerances in Injection Molding

    Maintaining tight tolerances is a top priority for many complex injection molded parts and components. Understanding the nuances of resins and how they impact tight tolerances and overall product performance can be complicated. It's essential that an injection molder's engineers be looped into the project early — ideally in the design phase — to weigh in on resin selection. Otherwise, certain material characteristics that could affect tight tolerances and, ultimately, influence outcomes may be inadvertently overlooked.

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    4 Areas of Focus for Successful Multi-Material Injection Molding

    For many OEMs, multi-material injection molding is a smart and versatile solution to producing complex components and parts. The ability to incorporate multiple polymers, metals and other non-plastics into the molding process to accommodate threaded holes, inserts, lenses, etc., simplifies assembly and generally enhances end-product performance.

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    How Shrink Rate Dictates Injection Molding Outcomes and Part Quality

    Not taking the time to properly determine shrink rate can have a big impact on the quality of an injection molded part's geometry, performance, and appearance. 

    To facilitate this calculation, materials suppliers typically provide shrink rate numbers based on ASTM Standard D955 and a .125-inch thick plaque with a specific gating size and location. Although a good place to start, this value is usually not accurate enough for many products, especially critical, highly complex parts.

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    How Injection Molders Can Help Define And Maintain Quality Standards

    Quality is an important benchmark in all aspects of an injection molding project, and rightfully so. Producing high-quality plastic parts is always the goal, but how often do you stop to consider what a supplier misstep, a materials snafu or a process miscalculation could do to a project overall? Poor quality — in any form and to any degree — can have far-reaching impact. The solution is partnering with an experienced injection molder that can help you keep quality at the forefront in every aspect of a project:

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    Is Your Injection Molder Capable of Medical Device Traceability?

    Not surprisingly, the medical industry in the United States is one of the most heavily regulated. The U.S. Food & Drug Administration (FDA) has a strict protocol around medical device tracking, particularly Class II and Class III devices that are intended for life support away from a primary care facility or whose failure would likely cause serious adverse health consequences.

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    How Engineering Support Optimizes Complex Injection Molding Projects

    Moving an idea from conception through production can take many paths. However, what initially appears to be the "easy route" can sometimes lead to complications, including certain efficiencies being overlooked or lost. Generally, spending more time and effort up front can simplify the process and provide desired outcomes, especially when you enlist the engineering expertise of your injection molding partner.

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