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  “ 3D printing ” is a hot topic right now. This new technology has attracted a lot of attention. It opens up many exciting possibilities for cost-effective plastic manufacturing in the future. But what is 3D printing? How does it work? Most importantly, what can we use it for? How does it compare to the time-tested plastic injection molding function? In this blog, we will discuss 3D printing, what it can do and its similarities and differences with  plastic injection molding . 1.   W hat is 3D printing and how does it work? As the name suggests, "3D printing" involves extruding plastic resin into very precise shapes, creating three-dimensional parts with complex shapes one layer at a time. In a basic sense, a computer-controlled machine squirts warm liquid plastic resin into flat layers, which are stacked until the final part is formed. This is why 3D printing is called an "additive manufacturing" process, all flat layers are "add up" to create almost any...

  In any industry, quality control is considered one of the most important aspects of the processes. Especially in  plastic part manufacturing , no matter how seamless your processes are or how efficient the  plastic injection molds  are, there will always be a few times when things will not go your way. This is the purpose of injection molding quality control. It allows you to control how the product is produced before releasing it to customers. In this way, you can ensure that your customers are 100% satisfied in terms of products. What kind of common defects do you need to watch out for during the quality control process? Burn Marks The black scorched spots on the edge and surface of the part are called burn marks. These burn marks are typically caused by overheating and overheating of trapped air sneaks in during injection Discoloration The color of some plastic parts may be different from the originally expected color. This happens when the masterbatch is not pe...

  In the  previous blog , we discussed the reasons why plastic molds are expensive. Considering this issue from another perspective, plastic molds are actually relatively cheap, in other words,  plastic molds  are very valuable. 1.   The mold is considered a floating cost, and it is not expensive if it can be allocated to a sufficient amount;   a small amount will definitely lead to a loss. 2.   Based on point 1, mold making a must be cautious.   The estimated sales volume can only rely on experience.   If you have insufficient experience, you can rely on channel surveys to assist in judgment, such as making reservations, using promotional materials, renderings, and even proofing to make market adjustments, and use market feedback to help decision-making. 3.   The other way to control costs is to strengthen the product reuse rate.   That is, if there are other products of the same kind that can move in volume, then design the s...