5 Ways Prototype Tooling Speeds up the Production Process

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What is Injection Molding Tooling?

Injection molding tooling is at the heart of injection molding. Whether it’s a complex application or simple part, plastic injection tooling – more specifically, tooling design – determines the quality of the injection molding process and the parts produced.

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Can Injection Molder and Toolmaker Alignment Determine Success?

Success in the injection molding business isn’t limited to having the right equipment or the latest technologies. It's a good start, of course, but it takes more to meet the needs of customers that require custom injection molding for complex applications completed under challenging time and cost constraints.

Custom injection molders must have top toolmakers in their supply chains that prioritize manufacturing excellence and customer service. Core to this philosophy is that toolmakers must treat the injection molders’ customers as their own.

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Comparing Rapid Tool Prototyping and Prototyping for Production

Prototyping an injection-molded component is necessary to ensure proper quality and performance. Rapid tool prototyping and prototyping for injection molding production are two standard prototyping options, and each has its own advantages — but which is right for your projects?

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Can You Trust Your Injection Molder With Tooling?

Custom injection molding projects are, by nature, an expensive undertaking. Part development and  tooling design/build often account for the majority of the budget, particularly in the case of intricate components. The consistency, quality, and cost of the part produced largely hinge on optimizing these two aspects of the project. Missteps can lead to expensive setbacks, product defects, and lower profits.

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Injection Molding Tool Steel — Which is Best for My Project?

Custom injection molding projects are understandably focused on plastics selection. After all, the materials used to construct the parts have the greatest influence over quality and performance.

However, the grade of injection molding tool steel chosen for production also has a major impact on project outcomes. Cycle times, part criteria, production volume, cost, and maintenance expectations all must be factored in to align the steel with the need.

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How to Avoid Common Stresses in Insert Molding

Insert molding is a process that requires an insert — typically metal — to be pre-placed in the tool for injected plastic to flow around. Encapsulating the insert with plastic creates a single molded plastic piece that’s generally stronger than one created using secondary assembly.

Insert molding can be accomplished through two methods:

  • Manual insert loading: The generally more cost-effective way to approach very low-volume applications or extremely complex part geometries
  •  Automated insert molding: A better choice for part consistency. It minimizes human error, improves efficiencies, and ensures optimal cycle times.

Securing an insert in plastic requires precision and a thorough knowledge of how each individual substrate reacts to conditions during the injection molding process.

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GD&T: A Practical Approach for Injection Molded Parts

Geometric dimensioning and tolerancing (GD&T) is a symbolic language that is used on engineering drawings and computer-generated models. It communicates geometric dimensions and allowable tolerances for various parts. Not only is this a useful exercise for product design, it’s also helpful on the manufacturing floor because engineers and operators can quickly see the degree of tolerance that is required for each part.

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How to Control Injection Molding Surface Finish

Surface finish on plastic composites can vary a great deal, depending on the physical and chemical properties of the polymer blend as well as the parameters of the injection molding process.

The first objective for a custom injection molder is working with the customer to determine how important the surface finish is for the appearance and/or performance of the final product. For example, does the product need to be eye-catching or simply functional? Depending on the answer, the material selected and the desired finish will determine the settings for the injection molding process, and any required secondary finishing operations.

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Blow Molding vs. Injection Molding: 3 Key Comparison Points

Injection-molded and blow-molded plastic parts are so pervasive in everyday life that the two processes are sometimes thought of as interchangeable. While the two may be used in an individual application — perhaps a blow-molded fluid reservoir is attached to a custom injection-molded medical device — injection molding and blow molding serve different purposes and markets.

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Custom Plastic Injection Molding Essentials

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