CN Mould & Plastic Limited

Product Design Studies

03
11, 2025
Demystifying Draft Angles: A Key to Successful Injection Molding
Ever struggled to remove a plastic part from its mold, or noticed unsightly scratches on a finished product? The culprit is often an overlooked design detail: the draft angle. This seemingly simple fe...
09
10, 2025
The Critical Role of Fillet Radius in Rotational Molding Design
In product design, especially for rotational molding, the presence of sharp corners is one of the most common—yet often overlooked—factors leading to structural failure. Rotational molding inherentl...
23
09, 2025
The Essentials of Rib Thickness Design in Injection Molding
Ribs are reinforcing structures used to enhance the strength and rigidity of injection-molded thermoplastic parts. They play a crucial role in enabling engineering thermoplastics to successfully repla...
16
09, 2025
Smart Wall Thickness Design
When it comes to product structural design, wall thickness is far more than just a number—it’s a critical factor that influences cost, manufacturing efficiency, mechanical performance, and even aest...
13
09, 2025
Product Shut-Off Surface Design
In the world of product design, especially when dealing with multi-material injection molding, the design of the shut-off surface—where hard plastic meets soft TPE (thermoplastic elastomer)—is criti...