processingdetails

Milling & Turning

Milling is one kind of fundamental powered metal cutting processes, a material removal process, which is wide used machining. As a material removal process, milling can create various features on an item by cutting away the unwanted material and leaving the needing part. In the process of milling, a milling machine, workpiece, fixture, and cutter are required. The pre-shaped material is fixed to the fixture, which itself is attached to a platform inside the milling machine. The cutter is a cutting tool with sharp teeth that is also secured in the milling machine and rotates at high speeds. By feeding the workpiece into the rotating cutter, material is cut away from this workpiece in the form of small chips to create the desired shape. Milling is typically used to produce parts that are not axially symmetric and have many features, such as holes, slots, pockets, and even three dimensional surface contours. Another application of milling is the fabrication of tooling for other processes. For example, three-dimensional molds are typically milled. Milling is also commonly used as a secondary process to add or refine features on parts that were manufactured using a different process. Due to the high tolerances and surface finishes that milling can offer, it is ideal for adding precision features to a part whose basic shape has already been formed.