CN Mould & Plastic Limited

Product Design Studies

02
03, 2026
Gussets and Ribs: Enhancing Part Stability Without Adding Wall Thickness
In the design of plastic or lightweight structural parts, ensuring stability and strength without unnecessarily increasing weight or wall thickness is a common challenge. This is where features like g...
09
02, 2026
Best Practices for Designing Strong and Reliable Plastic Bosses
In the world of plastic part design, bosses are unsung heroes. These often-small features play a critical role in assembly, providing secure points for screws, threaded inserts, and other fasteners to...
02
02, 2026
How Rib Thickness Influences Part Warpage in Injection Molding
In injection molding, the thickness of ribs is more than just a design detail—it can significantly affect how a part cools, shrinks, and ultimately, whether it warps. Understanding this relationship ...
27
01, 2026
Designing Textures, Text, and Symbols on Plastic Parts
In the world of injection-molded plastic parts, aesthetics and functionality often go hand-in-hand. Whether for branding, user instructions, safety labels, or purely decorative purposes, adding textur...
12
01, 2026
Best Practices for Insert Design in Plastic Molds
The use of metal inserts in plastic injection molding enhances part functionality but introduces design challenges. Poor insert design can lead to defects like cracks, warpage, or failure. This post o...
05
01, 2026
Insert
The purpose of embedding inserts in plastic products is to enhance local strength, hardness, wear resistance, electrical conductivity, magnetic permeability, etc., to increase the dimensional and shap...
30
12, 2025
Plastic Gear Design
Plastic gears are increasingly used in electromechanical devices, consumer products, and transmission systems where high precision and strength are not the primary requirements. Their advantages inclu...
23
12, 2025
Key Principles for Robust and Reliable Parts
Plastic threads are integral to countless products, from simple bottle caps to complex automotive assemblies. Understanding how to design them effectively is crucial for ensuring both manufacturabilit...
16
12, 2025
Design Considerations for Holes in Plastic Parts
Holes are essential features in plastic parts, serving various purposes such as assembly, communication, decoration, and more. Common types include through holes, blind holes, stepped holes, special-s...
09
12, 2025
Rounded Corners
To avoid stress concentration, enhance the strength of plastic parts, improve melt flow, and facilitate demolding, transitional arcs should be applied at all junctions between inner and outer surfaces...