Machining is a metalworking technique that involves cutting away materials to alter the shape and look of a product. It is used to create fine and detailed objects that cannot be achieved through casting and molding techniques. Machining involves drilling, turning, milling, and grinding. It is part of a larger manufacturing process that includes design, fabrication, and production.
Machining is a form of machining used to create metal objects. During this process, workers cut away materials to alter the look and shape of a product. Machining provides an alternative to other forms of manufacturing processes, including stamping or casting. It is one of the most effective methods for creating very fine and detailed objects, which are often not achievable through casting and molding techniques. Machining can be used to make everything from steel fasteners to metal jewelry as well as larger items like hand tools and automotive parts.
This metalworking technique actually involves many types of processes that can be used to give the metal the desired shape and finish. These techniques are often divided into four categories and can be used together to produce a single product. Drilling is one of the most basic types of machining. During the drilling process, workers use a metal drill bit to punch holes in the metal. For example, drilling can be used to punch holes for fasteners in a metal plate used to secure a door.
Turning is another form of machining used to shape metal. During woodturning, metalworkers place material on a piece of equipment known as a lathe. The lathe rotates the metal so it can be shaped or cut using hand tools or special bits. This type of process can be used to create a threaded screw or similar fastener.
When milling, workers use equipment known as a milling machine. This equipment uses metal points to cut material from the surface or face of an object. The tool or bit is fixed in place and the machine drives the metal around these cutting tools. This type of machining process can be used to cut a logo into a steel plate or to form special tools.
Grinding is the last category of machining techniques. This relatively simple process involves using a stone wheel to shape or polish the metal. This technique can be used to sharpen a metal hand tool or to give a satin finish to metal building materials.
Machining is only part of a larger manufacturing process. Metalworking begins with design, then proceeds to fabrication and production. Machining can be used to shape the metal and create the object, or it can only serve as a method of refining the metal to give it the desired look. Once finished, the item must be finished and assembled before being ready for sale.
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