-
Choosing Between Plastic Casting and Injection Molding for Functional Prototype Validation
Plastic casting is a rapid prototyping process that uses liquid urethane or resin poured into a silicone mold to produce small batches of plastic-like parts without the upfront investment required for injection molding tooling. While the term “plastic casting” is often searched by teams looking for information about plastic part ...
READ MORE -
Factors Affecting Molded Material Shrinkage in Injection Molding
Determining material shrinkage is one of the more challenging tasks in developing injection-molded parts. Material shrinkage behavior can be affected by material structure (semicrystalline vs. amorphous polymers), cooling conditions, processing parameters and even part design. All of these factors influence how a part contracts as it solidifies, affecting dimensional accuracy ...
READ MORE -
Protoshop Featured on World’s Greatest TV for Rapid Prototype Mold Fabrication
Protoshop Inc. was recently featured on World’s Greatest TV, where the team shared a behind-the-scenes look at how they create rapid prototype molds and injection molded parts. Based in Carlsbad, California, Protoshop’s engineers, machinists and molProtoshop Inc., based in Carlsbad, California, recently had its time in the spotlight on World’s ...
READ MORE -
How Regular Mold Maintenance Improves Prototype Molding Quality
Poorly maintained prototype molds can introduce inconsistencies that increase development costs, extend lead times, and compromise the accuracy of early design validation. In prototype injection molding, part quality often depends as much on the condition of the mold as on the engineering team’s expertise. The Importance and Impact of Prototype ...
READ MORE -
Statistical Process Control (SPC) in Injection Molding
Statistical Process Control (SPC) is a data-driven methodology that uses statistical techniques to monitor and control injection molding processes. By tracking key variables and analyzing their variation over time, SPC helps manufacturers identify process changes before they result in defective parts. In injection molding, even sophisticated machines and experienced operators ...
READ MORE -
Choosing the Best Plastics for Injection Molded Electronic Enclosures
Not all plastic enclosures are created equal, especially when it comes to electronics. Electronic housings are thermal barriers, protect against impact and chemicals and sometimes manage electromagnetic interference (EMI). In many cases, they also need to be consumer-ready. Some material properties to consider for electronics housing injection molding include: What ...
READ MORE -
Overcome Common Pitfalls in Plastic Injection Molding Production Growth
Transitioning a plastic injection molding project from prototype to full production can be challenging. What works perfectly in a prototype tool can become a production headache when volumes increase and cycle times shrink. Understanding the challenges and required adjustments upfront help teams navigate the transition successfully. This guide explores the ...
READ MORE -
How Computer-Aided Design (CAD) Helps Shape Rapid Prototype Injection Molding
Before modern digital tools, engineers created hand-drawn 2D schematics to communicate designs. Machinists would then interpret these drawings and fabricate parts or tools manually, which made prototyping slow, expensive, and prone to error. Often, only the most critical components were prototyped due to time and cost constraints. CAD (Computer-Aided Design) ...
READ MORE -
What’s Next in Injection Molding: Predictions for 2025
The injection molding industry has long been known for its precision and efficiency in manufacturing parts across different sectors. As we continue through 2025, exciting changes are underway that could significantly alter how we approach production. Driven by new technologies, shifting consumer preferences, and a growing focus on sustainability, the ...
READ MORE -
The Different Types of Prototyping Techniques and When to Use Them
Prototyping is a necessary element of the innovation and product development process. Creating prototypes allows designers, engineers, and business stakeholders to touch, interact with, and test product concepts without investing fully in manufacturing. This helps refine designs, validate functionality, and reduce risk before committing to full production. There are a ...
READ MORE
