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Q
can 3d printed parts be stronger than injection molded
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
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Epoxy resin, when fully cured, is generally considered non-toxic. The curing process, through which the liquid epoxy resin reacts with a hardener, results in a hard, plastic-like material. Before curing, both resin and hardener can be hazardous, potentially causing skin irritation, allergic reactions, or respiratory problems if improperly handled. The fumes emitted during the curing process may also contain volatile organic compounds (VOCs) and other potentially harmful substances, necessitating adequate ventilation. However, once epoxy has completely cured, it becomes inert, meaning it should not leach chemicals or pose toxicity risks under normal conditions. This attribute makes cured epoxy safe for creating countertops, jewelry, and coatings for floors and artwork, among other uses. Nevertheless, it's crucial to follow all safety instructions provided by the epoxy manufacturer during the mixing and curing processes.
Polymer bullet tips are a feature found on certain types of ammunition, designed primarily to enhance ballistic performance. These tips, made from a plastic-like material called polymer, are applied to the tip of the bullet. The main advantages include improved aerodynamics, leading to a flatter trajectory and more accurate performance over longer distances. Additionally, the polymer tip acts as a wedge upon impact, initiating expansion of the bullet, which is crucial for hunting applications as it helps to create a larger wound channel on game. Unlike traditional all-metal bullets or hollow points, polymer tips help maintain the integrity of the bullet's shape during flight, reducing air resistance and increasing speed and precision. They are commonly used in rifle ammunition, especially for long-range shooting and hunting.
PVC pipes are produced through a process called extrusion, which begins with the preparation of raw PVC material - a white powder compounded with additives to enhance its properties like flexibility, resistance to UV light, or color. The material is fed into an extruder, where it's heated and melted. As it becomes a viscous liquid, it's forced through a circular die to shape it into a pipe. The pipe then goes through a cooling process, typically in a water bath, solidifying its structure. After cooling, the pipes are cut to desired lengths and inspected for quality control, ensuring they meet the necessary standards for pressure, density, and dimensions. This efficient process allows for the large-scale production of PVC pipes, which are widely used in construction and plumbing for their durability, cost-effectiveness, and resistance to corrosion.
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