The 2025 Core77 Design Awards have officially concluded, and 3ERP are proud to once again play a key role as a CNC services supplier in bringing this year’s recognition of global industrial design excellence.As a long-standing provider of high-precision CNC machining services, we are proud that Core

AI for CNC machining is rapidly becoming a defining force in modern manufacturing. In the mid-twentieth century, computer numerical control (CNC) technology revolutionized the process of machining. Until that point, expert machinists had to guide their cutting tools by hand, but the dawn of CNC enab

Black oxide coating is a widely used metal finishing process that helps protect ferrous metals from corrosion while also improving their overall performance. Ferrous metals are known for their exceptional strength and hardness. However, they are equally well known for their tendency to rust, due to

Sheet metal welding is one of the most effective ways to create strong, permanent joints in thin metal components. Sheet metal can be manipulated in many ways: bending, curling, punching, stamping, and beyond. But sometimes manufacturers don’t need to cut or deform their sheet metal—they just need t

When engineers and manufacturers work with metals, they demand strength and durability. Metal parts are expected to last, and their stress resistance is what makes them useful in applications far and wide.Sometimes, however, manufacturers need their metals to be soft and ductile. Because when metals

Fillet vs chamfer is a common consideration in engineering design, as both features are important surface transitions that provide strength and safety benefits to part corners with sharp edges. In modern part designs, these features help eliminate sharp edges that could otherwise lead to stress conc

Launching a new product on the market gives companies the opportunity to jump ahead of competitors and increase revenue. However, New Product Introduction (NPI) requires meticulous planning and smooth execution in order to succeed.The NPI process involves several phases, from concept to market launc

Some engineering-friendly metals, like stainless steel and titanium, form a natural oxide layer that acts as a protective barrier against inconveniences like contaminants and free iron. This oxide film forms a thin but effective shield that helps isolate the base metal from the environment. But what

The mechanical shaft is the backbone of machine design. These simple but essential rotating components are used to transfer power or motion from one place to another, like to a different part of a machine or to another machine altogether.Found in motors, gearboxes, pumps, and many other machines, sh

Snap-fit joints are one of the simplest ways to connect parts without screws, adhesives, or tools. Instead of relying on separate fasteners, snap-fits use flexible features that bend during assembly and then spring back to hold components together. This makes them popular in parts like plastic enclo

Gears are the backbone of motion in mechanical systems. These toothed components transfer speed and torque in a wide variety of applications, from clocks to cars. Despite their simplicity, gears are able to solve a number of mechanical problems, enabling power transfer, torque and speed conversion,

What surface finishes are available for CNC machining? Post-processing and surface finishes improve surface roughness, visual appearance, and wear resistance of metal parts. This guide covers the most common surface finishes for CNC-machined metal parts and how to choose the right on

What is material “hardness” in CNC manufacturing? In the context of materials science, hardness typically refers to the materials ability to withstand indentation, scratching, or other forms of surface penetration when subjected to mechanical forces or abrasive conditions. Hard materials are

How do you add logos, lettering, serial numbers and other customized designs to your custom parts? Part marking is a cost-effective way to give parts those extra identifying and/or cosmetic details. Learn the common part marking techniques on the market today, including laser engravi

CNC milling is a subtractive manufacturing process used by engineers to source precision parts through outsourced CNC machining. This article explains how CNC milling machines work, what kinds of parts can be produced with milling, and design guidelines that help optimize parts for m

What is Delrin and why is it unique? Delrin, or POM-H (homopolymer acetal), is a semi crystalline engineering thermoplastic used for CNC machining, 3D printing, and injection molding to produce durable, precision components. This article examines Delrin’s key properties and guidance

Find out how engineers use CNC machining to bring their ideas to life, from prototyping to production. Need a part that fits right, performs reliably, and doesn’t take weeks to produce? CNC machining makes it happen. Engineers count on it for its tight tolera

Precision CNC machining delivers the tight tolerances, lightweight materials, and custom solutions that aerospace manufacturers need to get their ideas airborne. From launching satellites and manufacturing autonomous aircraft to fine-tuning flight systems, ae

While CNC milling gets the spotlight for complex geometries, CNC turning machines handle the round parts that keep our world spinning. When engineers need cylindrical parts with tight tolerances and smooth finishes, CNC turning machines deliver precision tha

From optical lenses to display windows, acrylic CNC machining is the clear choice for applications where transparency and durability matter most. Polymethyl methacrylate (PMMA), also known as acrylic, is a transparent thermoplastic with good toughness. It is