Plastic injection molding quality is a very real concern for manufacturers – particularly for those who produce mission critical parts. One of the unique advantages of plastic injection molding with PMC is our Quality Commitment to our customers.How We Achieve it: PMC serves a wide range of industries that need to improve an existing product, transition a part from metal to plastic, or bring an entirely new product to market. PMC is recognized in the industry for solving complex molding challenges that other plastic injection molders can’t solve. We are able to specialize in this area of expertise because of our certified in-house Master Molders. Since so few plastic injection molding companies have certified in-house Master Molders, most are not able to solve molding challenges or create complex products. Plastic injection molders – whether lacking the experience, adept knowledge or proper equipment – can produce defective products that don’t stand up to industry regulations, appearance requirements, and/or general client expectations.

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Want to find out if your metal part can be successfully replaced by plastic?U.S. Plastic Molding Company Specializing in Engineered Resins Now, these plastic molders are forced to reduce the mold temperature in order to regain the lost productivity caused by long cooling cycles necessitated by higher melt temperatures. This high melt temperature to low mold temperature ratio often results in compromised part properties and an unstable part. Cavity pressure is directly related to part dimension. The variation of cavity pressure will vary the dimension in a part.  The less the variation, the tighter the dimensional control or variation.  The higher the cavity pressure value gets the less the part will shrink, all other values remaining the same.  One rule of shrink to remember is that plastic shrinks less in the direction of plastic flow and more perpendicular to flow.  A common error in this process is when molders experiment with machine settings in order to determine when the gate freezes. At this point, a defect occurs in the parts and then reverses that move until the defect goes away. The problem with this is that the other 3 processes are going to interfere with the finished part properties in ways the molder cannot see. This mistake not only costs manufacturers money but costs customers when they find out their new plastic part does not seem to last very long in its intended use.Cooling and Injection Rates If there is insufficient mold temperature the molecules will solidify prior to packing and at different rates, causing mold warpage. We have been thriving in the plastic molding business for 45 years. We have the experience and certified in-house Master Molders, allowing us to take on projects of any complexity.

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Since the glass filled material is nonconductive, it is ideal for applications within the automotive and electrical industries. It is also a practical choice for manufacturing parts that handle electrical currents.  PMC is a scientific plastic injection molding company that specializes in producing mission critical parts using engineered resins. We frequently serve the medical, aerospace/defense, filtration, food/beverage and electronics industries. Today, there are only a few companies around the world who specialize in Engineering-Grade molding projects. Between the rarity of this specialty and the global freight distance, it can be a real challenge to find a capable domestic company to handle these projects. Some parts may require brand compliance, which may include color, imprints, logo, labeling, packaging, etc. It’s important to understand any brand identity requirements prior to starting the plastic injection molding process.Does your part require a particular surface finish? In fact, it’s often the case that the cycle process is not the problem; but without in-depth training on scientific plastic injection molding, these operators have little other choice but to continue manipulating the process in hopes of creating a workable solution.