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How to Choose the Right Materials for Your Injection Molded Parts

 Selecting the right material is one of the most important decisions you will make when planning your injection molded parts. The material you choose will determine the part’s strength, flexibility, temperature resistance, and cost, impacting your product’s performance and success in the market. Whether you are working with an injection molding company for a new product launch or scaling up your existing product, understanding your material options helps you make informed decisions and avoid costly mistakes. Understand Your Application Requirements The first step in choosing the right material is to analyze the requirements of your product: Mechanical Properties: Does your part need to be rigid or flexible? Should it withstand heavy loads or impacts? Thermal Properties: Will the part be exposed to high or low temperatures? Chemical Resistance: Will the part come into contact with chemicals, oils, or water? Appearance: Do you need a specific color or surface fini...
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How Right Plastic Injection Molding Machine Maximizes Your Manufacturing Process?


‘Bigger the better’ is not always the case when it comes to the identifying the press size. Injection press keeps the mold shut with bigger parts needing more force and tonnage. Your plastic injection molding company will help you to determine which machine is best suitable for your project to minimize the overall cost.
                                    

What is Injection Press?
Plastic injection molding machine is a machine that is used for the production of plastic products via an injection molding process.
How to Calculate Right Press Size for Your Project?
General calculation for determining your press size: Pressure (lb/in2) x Projected Area (in2) = Force (lb.)
a) Estimate Your Press Size

Although the plastic injection molder will help you identify the size of machine required, a skilled engineer or project designer will offer you a good piece of basic information. By knowing what size of machine you will need, you can better cater your demands well.
b) Calculate Total Projected Shot Volume and Shut Off Area
It is essential to calculate shut off area (area consisting of the space which is 90 degrees to the direction of injection molding machine platens) while determining the press size for the plastic parts. A Shot volume will guarantee you that your barrel has sufficient capacity.
                            

c) Know How Much Pressure or Force You Will Need
Pressure plays a vital role in the entire quality of the plastic parts. Too much or too less pressure can cause many problems like viscosity and flashing. Another thing to note is that different plastic compounds react differently under pressure depending on their Melt Flow Index (MFI). It measures the flow of thermoplastic polymer. The higher the MFI, the higher pressure is required to make a successful plastic part.
d) Hire Injection Molding Company
After determining the press size, hunt for the best plastic manufacturing company like Nubs Plastics. The molders are intelligent and knowledgeable. They complete your project in the fastest possible time. Also, if you are working on a complex mold, seek for the agency that can design and create the mold for you. 
They also have a better understanding and know how to maximize your manufacturing process. They will provide you with the needed tools. These mold manufacturers use world-class molding facilities and latest technology that have state-of-the-art manufacturing capabilities. They use energy efficient plastic injection molding machines that deliver better performance.
Just note that big plastic injection molding machines are usually high cost. They take big molds, and these multiple molds help to lower the price per part. Thus, picking the right press will balance the beforehand tool expenses with the long-term manufacturing process.



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Comments

  1. Traffic RankerJuly 10, 2019 at 8:58 AM

    Over molding

    Overmolding is molding two materials/colors by single nozle molding mchine. 2k injection molding is molding two materials/colors by 2k injection molding machine


    ReplyDelete
  2. Hortn WayesJuly 19, 2019 at 9:55 PM

    It is a good article thanks for sharing this blog it gives lots of information

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  3. Raj SinghJuly 22, 2019 at 2:57 AM

    Thanks for posting such a nice article. switch on your style

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  4. UnknownAugust 21, 2019 at 12:06 AM

    Thanks for sharing your knowledge and thoughts on this topic. This is a helpful and informative post. For all my Mold Manufacturer needs in Michigan, I prefer to contact my local contractor only. Thanks!!

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  13. AlexApril 26, 2021 at 6:04 AM

    very good article, I have found this documentation that may interest you about Capacities and Sizes of Plastic Injection Moulding Machines

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  14. maxJuly 8, 2021 at 9:00 AM



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