Choosing a right manufacturing technology will benefit a lot and lead your business forward more smoothly, the Computer Numeric Control (CNC) Machining and 3D Printing technologies emerged with the engineering and machinery advances, which one is better from them? There are varying factors behind the selection. Now, zjcncmachine.com introduces the difference between 3D Printing and…
Runout is an important term in GD&T for circular parts, what is runout and how total runout tolerance applied? The article also shows how to measure or check lathe runout. What is Runout? Runout (Run-out) is the error of rotating mechanical system, especially the rotation direction of tool or shaft is not completely consistent with the…
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…