When it comes to manufacturing, precision molding plays a significant role in shaping innovation. Choosing the right precision molding company is a critical decision that can greatly impact the quality and efficiency of your production process. In this blog, we'll analyze the key factors that should be considered when selecting a precision molding company.
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Whether you are just beginning research for a molding company or looking for a new partner, this guide will help you approach your analysis and decision to make informed choices.
Understanding Your Needs
Before you begin researching potential companies to partner with, it's crucial to have a clear understanding of your specific molding requirements. Some of the things you will want to start with should include:
- Materials preferences
- Project timeline
- Specialization and intricacies of your project
- Desired production volumes
- Tooling and prototyping needs
This initial self-assessment will help guide you toward a molding partner aligned with your unique needs.
Communication and Collaboration
When choosing a company to build plastic and metal injection molds (MIM), effective communication and collaboration are essential factors to a successful partnership and product production. In the early stages of interviewing and quoting, you will want to evaluate the responsiveness and transparency of potential molding companies. A proactive approach to communication and a willingness to collaborate closely indicate a reliable business relationship that extends beyond another transaction.
Molding Experience and Expertise
Of course a proven track record should be a requirement when selecting the right partner for molding your product. An established history of successful collaborations and a proven ability to navigate challenges are valid indicators of a company's capabilities.
Additionally, you want to choose a precision molding company that has the expertise for what you are looking to manufacture. For example, if you are creating a medical device you will want to choose a company that has extensive experience in this industry and understand the process, validation and qualification requirements that are upheld in the industry you work in.
Technology and Tooling Capabilities
Precision molding is ever-evolving, with advancements in technology continuously driving quality and efficiency. You will want to take time to understand prospective partners' technological capabilities and how they correlate to your project. By working with a company that values cutting-edge machinery and a commitment to staying ahead of industry innovations, you can rest assured that your project benefits from the latest tech advancements.
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Quality Assurance Processes
Molding precision goes hand-in-hand with quality assurance. As you search for a suitable precision mold builder, it is acceptable and expected that you scrutinize the quality control measures at each company under consideration. Robust quality assurance processes, certifications, and a commitment to meeting or exceeding industry standards must be non-negotiable factors in your decision-making.
When planning your next project that requires precision molding, it's safe to say its success will be directly related to the precision molding partner you select. By prioritizing your needs, assessing expertise and considering technological capabilities, you can lay the groundwork for a successful partnership with the right precision molding company. The right choice today can shape the future of your manufacturing endeavors. When you take the time to review potential precision molding companies and follow these guidelines thoroughly, you will be on your way to a precision molding partnership that can propel your innovations to new heights.
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At Dynamic Group, we understand the importance of choosing the right precision molding partner and expect companies we work with to carefully assess their options. Contact us today to discuss your next tooling or molding project.
Dynamic Group is a trusted provider of the most critical components to the world's leading medical device manufacturers. As leaders in innovative design solutions for complex Plastic and MIM molds, our extensive molding and tooling capabilities allow us to operate as a reliable, high-performing extension of your organization. Focusing on creating world-class value for our partners, we cultivate relationships to ensure successful product launches within budget.
Request a quote today and take the first step in your next design. Our expert team is here to provide tailored solutions that meet your specific needs.
If you need a plastic part molded with extreme precision&#;for example, to ensure there&#;s no air leak between two molded sections or to be certain there&#;s no visible seal gap line&#;you likely require precision molding. The difference between a typical injection molded part and a precision molded part is the tolerance, or acceptable range of variation in dimension: While the majority of injection molded parts have a tolerance of +/- .005&#;, precision molding holds tolerances between +/- .002&#; and +/- .001&#; (or less, in some cases).
Let&#;s say, for example, you&#;re planning to manufacture a military projectile. In order for the projectile to fit properly in the firearm, handle the acceleration when it&#;s launched, and explode on impact, it requires very high precision.
If your application requires precision molding, you can&#;t leave anything to chance&#;so you&#;ll want to ask yourself the following three questions before you begin the process:
1. Have you selected a plastic material with low shrinkage?
The plastic material you select for your part makes a big difference in whether you&#;ll be able to do precision molding. For example, polypropylene has a shrinkage range of +/- .014&#; to +/- .022&#;, with an average of +/- .018&#;. This is a wide range for shrinkage, which makes hitting a specific tolerance extremely difficult. If you&#;re molding a toothbrush (which commonly uses polypropylene), dealing with shrinkage isn&#;t a big concern, as the toothbrush will function appropriately regardless of whether it&#;s slightly bigger or smaller than its counterparts. Acrylonitrile butadiene styrene (ABS)&#;another common thermoplastic polymer&#;has a much narrower shrinkage average of +/- .006&#;. That gives you a much better chance of hitting a tighter tolerance, but it still won&#;t reach the +/- .001&#; or +/- .002&#; tolerance needed for a precision part.
One way to hit high tolerances with your plastic material is to add glass or another filler resin (like carbon fiber or mica) into the material. This can minimize shrinkage and warp by providing more structure in the material. For example, if you include long glass fibers in a polymer material, the part will shrink more perpendicular to those fibers.
2. Have you determined which areas of the mold require precision?
Because precision molding is more expensive than typical injection molding, be certain which aspects of your part require tight tolerances&#;and whether those tolerances can be achieved through injection molding&#;before moving forward. For example, a surgical handle may only require precision for the piece that will connect with a pin, not the entire handle. Identifying your precision requirements from the get-go ensures you&#;ll get what you need without wasting money. In the case of the surgical handle, your injection molding partner may advise you to add the tolerances you need through tooling after the injection molding process is complete.
3. Can the mold manufacturer you&#;ve selected tool with high precision?
The process of creating plastic parts with tight tolerances begins with a high-precision mold. If each plastic part you create is not identical, you won&#;t have a precise product&#;and a precise mold ensures there&#;s no variation for each part. Because of this, it&#;s extremely important to select a mold manufacturer who understands the slow, steady process of building a high-precision tool. Keep in mind that selecting a mold manufacturer that specializes in rapid tooling is likely not your best option, as the goal of rapid tooling is to finish the mold quickly&#;but not necessarily precisely.
Let&#;s get your precision molding project started
We have years of experience in precision molding, and would love to answer any and all of your questions. You can either contact us with those questions, or, if you&#;re ready to get your project started now, simply contact us and request a free quote.
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