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Posted on Aug 30, 20191
Milling and drilling machine is the machine tool whose machining process utilizes spinning tools to remove materials by advancing a tool into one or several work pieces under either the control of a CNC system or manual operation.
Milling and drilling machine is the machine tool whose machining process utilizes spinning tools to remove materials by advancing a tool into one or several work pieces under either the control of a CNC system or manual operation. Though today’s milling and drilling processing is mostly controlled by CNC program, manual operation still exist due to tons of reasons that mostly connected with custom design.
Normally, milling and drilling process conducted on single machinery can deal with many kinds of machining requirements, and such capability is based on the different tracks installed on the axes which allows for the machining tools to move around the work piece. The number of axes depends on the customers’ demands and there is no absolute optimal number but only the most suitable choices based on users’ requirements. Unlike turning machine, milling and drilling cover a wide variety of various operations and ranges a wide scale from single tiny parts to heavy and large gang milling operation tasks.
At the same time, it’s also similar to turning in some aspects, as milling and drilling are the most widely adopted machining methods that render accurate tolerances within rigid standards. As a result, the research and development of milling method is highly admired in the industrial world due to its productive and effective nature for rendering work pieces with complex profiles and machining depth which is comparatively difficult to achieve by conventional methodology.
With the milling and drilling processes, there evolves a lot of machining methods and one of the most popular and widely applied is machine center. Machining center is a highly developed machine tool that can deal with multiple types of milling, drilling, and even boring tasks at once and is evolved from conventional milling machines. At first, machine center is evolved from milling machines at the era of the 1960s due to the growing demands from both aerospace and automotive industries in the States while later the trend spread to the rest of the world.
After the technology of NC had been applied to the milling machines, the development of this specific type of machine tools progresses well across industrial sectors, and after that machine centers are widely applied in all kinds of industries, contributing a wide range of industrial efforts. Regarding milling, as its name tells, is the process of machining that utilizes spinning tools to remove materials by advancing a tool into one or several work pieces.
This machining method could be done on different directions. Besides turning, milling covers a wide variety of various operations and ranges a wide scale from single tiny parts to heavy and large gang milling operation tasks. Similar to turning, milling is one of the most usually adopted machining methods that render accurate tolerances.
Regarding drilling, which is the process of making a hole on a work piece that has already been casted or cut, such as in the drilling process of a vent tunnel, or the rough drilling to an engine cylinder. This process is utilized to achieve greater accuracy of the diameter of holes by the help of boring process that followed, and can be used to cut a tapered hole with specific specifications. In the view point of machining, drilling can be treated as the internal-diameter counterpart to turning process, which cuts external diameters. The drilling bar may be supported on both ends, or it may be supported at one end only.
As a result, the research and development of milling and drilling methods is highly popular in the industrial world due to its productive and effective nature for rendering work pieces with complex profiles and diameters at one machine, which is comparatively hard to achieve by conventional machine tool models. With this expectation, the following development and the idea of machine centers are thus gradually formed.
The professional term “milling and drilling machine”, or “milling and drilling center” can be used to describe a wide variety of CNC machineries that are accommodated with several critical but sometimes optional accessories equipped together with the machine body itself, such as power turret, live tools, tool magazine, automatic tool changer, automatic pallet changer, coordinate measuring machine, multi-axis working tables such as cradle type waving A-B axis, here we just name a few of them.
Different from boring, drilling process can be achieved on different machine tool machines, including general-purpose or universal machine tools, such as turning centers, milling centers, and machining centers. However, if one wants to have some other specific performances such as quick drilling, deep hole drilling, broaching, etc, then a professional drilling machine is needed for such tasks.