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Reinforced Nylon for E-Bike Hubs: Properties and Processing
2025-07-11
Reinforced nylon (especially glass fiber reinforced grades such as PA6-GF and PA66-GF) is a mainstream and high-performance material choice for e-bike wheel hubs, particularly motor-integrated hubs. It offers an excellent balance of strength, stiffness, toughness, heat resistance, wear resistance, and processability, while also enabling lightweight design. This material is commonly used in mid- to...
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Automotive Interior Odors: An Unavoidable Challenge for Material Engineers
2025-07-10
Odor is both a sensory experience and a perceived measure of quality. In the confined space of a car cabin, the "new car smell" from plastics is not a symbol of luxury—instead, it often becomes a major source of consumer complaints. This article, grounded in engineering practice, systematically explores the sources, mechanisms, analytical methods, and controllable strategies related to odor. It ai...
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Injection Molding Defect: Fiber Floating – Root Causes and Fixes
2025-06-20
In the injection molding process of glass fiber-reinforced materials, fiber floating is one of the most common surface defects. It appears as an uneven surface caused by exposed glass fibers on the part. This issue not only affects the visual appearance of the product but can also negatively impact secondary processes such as painting, coating, or electroplating. Today, we will take a deep dive in...
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Injection Molding Defects: Burn Marks Explained and Solved
2025-06-20
Burn marks are one of the most common defects in the injection molding process, significantly affecting the appearance and quality of the final product. This article will provide an in-depth analysis of the root causes of burn marks and offer systematic solutions to address the issue. What Are Burn Mark Defects? During the injection molding filling process, if gases become trapped within the mold ...
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PEEK: The Ultimate Lightweight Material for Humanoid Robots
2025-06-19
Humanoid robots are designed to perform most actions in a human-like manner, which requires a high degree of flexibility. To achieve such flexibility, strict control over the robot’s weight is essential. Excessive weight significantly increases the torque burden on servo motors, which in turn affects the robot’s responsiveness, payload capacity, and battery life. Lightweight design helps reduce th...
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Application of PP filled 40% Long Glass Fiber in Automotive Battery Brackets
2025-06-17
Project Background With the ongoing trend of high integration and modularization in new energy vehicle electrical systems, battery structural components play an increasingly critical role in vehicle platforms. As a key part for bearing, fixing, and protecting battery modules, the battery bracket requires high mechanical strength, dimensional stability, and environmental aging resistance, while mee...
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A Quick Guide to Rigidity and Flexibility in Polymer Materials
2025-06-05
When discussing polymer materials, we often hear comments like “this material has excellent rigidity” or “that one has outstanding toughness.” Materials with high rigidity usually exhibit greater hardness and resistance to compression and deformation. On the other hand, tough materials are more like flexible ribbons, capable of withstanding stretching and bending with remarkable resilience. But ha...
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Case Studies of Composite Materials in Sports Equipment
2025-05-30
Composite materials (such as carbon fiber reinforced composites and glass fiber reinforced composites) are widely used in the field of sports equipment due to their advantages of lightweight, high strength, and design flexibility. Below are some typical application scenarios and specific examples: Golf Clubs Application Areas: Shaft, club head. Material Advantages: Carbon fiber shafts are 30%–50% ...
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How Are High-Performance Composite Manhole Covers Manufactured?
2025-05-30
What is a resin manhole cover? This is a question many people often ask. Is a resin manhole cover just a plastic manhole cover? Resin Manhole Cover (Composite Manhole Cover) A composite manhole cover is a type of inspection cover made by using polymers as the base material, combined with reinforcing materials and fillers through a specific manufacturing process. In fact, a resin manhole cover—also...
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From Cornfields to Plastics: The Story of PLA's Green Revolution
2025-05-23
Corn, a humble crop, is undergoing a remarkable transformation in the lab — scientists are using its starch to create a magical material that could replace traditional plastics: polylactic acid (PLA). This bioplastic, essentially "grown" in the fields, is quietly reshaping our relationship with plastic. PLA Recycling Process The birth of polylactic acid (PLA) resembles a precisely coordinated rela...
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