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Countersink Holes

Countersink holes and countersink compatible fasteners are used in all sorts of products and projects. From cellphones and computers to industrial equipment and cabinets, countersinking is used for machining metal stock, wood, sheet-metal, and even PCBs. Engineers and designers need to know what a countersink hole is and how it can be used (compatible fasteners […]

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Our Guide to Sulfuric Acid Anodizing

Ensuring your parts are sufficiently finished to withstand environmental conditions is a critical consideration for every product. And among the most popular methods of environmental protection is sulfuric acid anodizing. There are several types of anodizing, and the Mil-PRF-8625 specification lays out the different methods: Type I, Type II and Type III.  This article focuses […]

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Plasma Cutting: Everything You Need to Know

As a wee mechanical engineering intern working for a local steel manufacturing company, I will never forget the first time I stepped on the shop floor and saw plasma cutting in progress. It was the summer after my sophomore year, so I didn’t have much experience at that point, but I was mesmerized by the […]

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Our Easy Guide to Hard Anodizing

Anodizing is an electrochemical process that deposits an oxide layer on a metallic surface to provide corrosion protection — and anodized coatings may be dyed in various colors. Hard anodizing, when compared to regular anodizing, creates a thicker, more durable, and wear-resistant aluminum oxide layer. Hard anodizing is also known as “Type III anodizing” per […]

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The Best CAD Software Programs in 2023

Every product design starts with an idea or a request for a quote from a customer and ends with a finished prototype or production part. The process used to start with a hand sketch or simply machining the component, then modifying it and repeating the process to refine the design. In 2023, we can use […]

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Types of Automotive Fasteners Explained

Fasteners are the unsung heroes of the automotive industry. Responsible for supporting engines, mounting bumpers, securing wheels rotating at high speeds, and attaching interior trim, vehicles often have more than 3,500 fasteners keeping cars, trucks and SUVs together. Choosing the right fasteners for each application requires balancing application requirements, cost, safety, lifespan, and serviceability. Automotive […]

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How to Start Designing 3D Models

When you’re a mechanical engineer like me, starting a new 3D model design is equally exciting and nerve-wracking as your mind fills with possibilities. Whether it’s a complex CNC part, a simple mechanical assembly, an innovative new product development (NPD) design, or a 3D printed mechanism, every project presents unique challenges and opportunities for innovation.  […]

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Your Guide to Nickel Plating

Nickel plating dates back several centuries and has been used for a variety of purposes over that period. There are two types of nickel plating, electroless and electrolytic. Electrolytic nickel plating or nickel electroplating is an electrochemical process whereby metal is deposited on a surface. Electrochemical processes are fueled by a chemical reaction, along with […]

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Compliant Mechanisms: An Overview

A compliant mechanism is a mechanical system that uses flexible components such as springs, cables, and linkages to absorb energy, provide compliance, and reduce the overall stiffness of a system. Compliant mechanism designs use flexible members (often 3d printed) to achieve a prescribed range of motion and/or force.  There are also secondary benefits to compliant […]

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The Bimetallic Strip Explained

While you may not be familiar with bimetallic strips, you likely have encountered thermometers that utilize them. Bimetallic strips are most often used in modern electronic and mechanical devices such as thermal circuit breakers, thermometers, temperature-sensitive switches, fire alarms, timers, relays, and motor starters. This article discusses what a bimetallic strip is, where it originated, […]