Butterfly Hinge Closure cap, bi stable butterfly hinge lid

Tips To make Butterfly Hinge Closure cap

moulding process
A butterfly cap with a hinge closure is a smart and ergonomic solution widely used in modern packaging. It features a bi-stable living hinge design, allowing the lid to stay firmly open or closed. This guide covers everything from design basics and dimensional verification to mold development and final assembly. Ideal for applications in food, personal care, household, and medical packaging, butterfly hinge caps offer durability, ease of use, and reliable sealing performance. ... Read More
Fundamental of plastic injection molding

Fundamentals of Plastic Injection Molding

Mold Design
Plastic injection moulding is a widely adopted manufacturing process used to produce high-precision plastic components in large volumes. This guide walks through each stage of the process—from product design and mould construction to material injection, cooling, and part ejection—highlighting key equipment, material considerations, and tooling insights essential for quality production. ... Read More
Ejector marks on plastic injected parts

What causes ejector marks on injection-molded parts?

Wikipedia
Ejector pin marks are common surface defects in injection-molded parts, often appearing as glossy spots, white imprints, or small dents. This guide explains the top causes of ejector marks—ranging from poor mold design and part geometry to incorrect machine settings—and offers proven solutions to reduce or eliminate them in plastic moulding. ... Read More
General guideline for plastic injection molding

A Complete Guide to Plastic Mold Design: Types, Techniques

Mold Design
DSW offers custom plastic mold design since 2004, providing single- and multi-cavity tools, family molds, and complex solutions. From prototypes to high-volume production, we deliver precision, durability, and cost-effective tooling with advanced CAD modeling, flow simulation, and global quality standards. ... Read More