When you manufactured a CNC Turning piping part, concentricity is the term for checking whether the tube wall thickness between the OD and ID is constant, which means the part is concentric. Then what is concentricity and how to measure it? Other than these questions, we’ll also present the formula for calculating the concentricity, as well as…
The 2D drawings of 3D CNC Turning Parts may contain lots of straight lines, while the straightness can be used to control the line element of a feature within a specific tolerance zone. It indicates how straight the surface or axis is needed. Today, dajinprecision.com explores the straightness definition, measurement method and difference between straightness…
Stainless steel is a common option of the food container, home appliances, sinks, and more products, but the stainless steel parts tend to become dull over time. How to restore the original luster of the stainless steel or make it look new again? Here we bring some simple methods of polishing stainless steel. If there are…
Brass, bronze and copper are collectively referred to as red metals because of the distinctive reddish color, but the actual color of each metal is not the same. The composition is one of the most reliable methods to differentiate brass and bronze, while it’s not visually and not easy to tell. How to identify brass and…