Surface Profile Comparison — microscopic cross-section view Ra values in µm Ra 3.2 µmDefault Ra 1.6 µmPrecision Ra 0.8 µmHigh-precision Ra 0.4 µmUltra-precision What Is Surface Roughness? Surface roughness describes the microscopic peaks and valleys left on a machined surface as a result of the cutting process. Even a surface that looks perfectly smooth to the naked
Overmolding is one of the most powerful techniques in modern injection molding — allowing engineers to combine multiple materials into a single, high-performance component without adhesives, fasteners, or secondary assembly. From the soft-touch grips on surgical instruments to the waterproof seals of consumer electronics, overmolding is quietly behind some of the most functional and elegant
— Medical Device · Rapid Prototyping 50 Units. 20 Days.Zero Compromises. How RpProto delivered a complete laser hair removal device prototype run for a European medical aesthetics company — on time, across four materials and six manufacturing processes. 50 Complete Assemblies 20 Days to Delivery 4 Materials Used 6 Manufacturing Processes Project Overview An International
Option 01 SLA Stereolithography Surface quality Excellent Mech. strength Low Lead time 1–3 days Accuracy (±mm) 0.10 Best for 1–10 pcs Option 02 SLS Selective Laser Sintering Surface quality Rough Mech. strength High Lead time 3–5 days Accuracy (±mm) 0.20–0.30 Best for 1–30 pcs Option 03 Vacuum Casting Urethane / PU Casting Surface quality Excellent
The plastic injection molding gate directly affects polymer flow behavior, part quality, and process efficiency. It connects the runner system and the cavity. The gate regulates melt flow rate, shear conditions, and pressure distribution during filling. Its geometry and placement not only determine how the cavity is filled but also influence weld line formation, shrinkage,
CNC (Computer Numerical Control) machining continues to be one of the most accurate and reliable manufacturing methods across industries. Its ability to produce complex, high-precision parts makes it a top choice for prototyping and low-to-mid volume production. However, the price is anything but fixed. Whether you’re paying $12 per hour for 3-axis milling at a
Choosing between insert molding and overmolding is one of the most common decisions engineers face when designing multi-material plastic injection molding parts. Both techniques eliminate secondary assembly and improve part strength — but they work in fundamentally different ways, suit different applications, and carry very different cost profiles. This guide breaks down exactly how each
304 stainless steel and 316 stainless steel are materials we often use in rapid prototyping, sheet metal fabrication and CNC machining. Choosing between 304 and 316 stainless steel can be overwhelming. They are all durable and corrosion-resistant. But their chemical composition, cost, and performance in different environments is different. We will compare the key differences,
A neutral, research-based evaluation of China’s leading CNC machining service providers — with tolerances, certifications, and best-fit guidance. Why Choose a CNC Machining Service Company in China? China has emerged as a global leader in CNC machining, offering high-quality, cost-effective solutions across industries. Here’s a breakdown of why partnering with a CNC machining company in
In CNC machining, accuracy isn’t just a goal—it’s a necessity. Achieving precision requires robust quality control processes and consistent inspection methods. By adhering to proven techniques, CNC manufacturers can ensure that each part meets specific tolerances, functions as expected, and has a smooth finish. This guide explores the methods, tools, and stages involved in CNC
