Drill Bit / Reamer

In industry, drill bits are mainly used to manufacture round holes or drive fasteners. The drilling tool may be a drill bit or a driver, and is fixed on the machine tool with a clamping chuck mechanism. Some electric drilling rigs also have a hammering function. Due to the wide variety of drill bits in the metal processing industry, the speed, power, scale and size of drill tools vary greatly.
 
In addition to being used in drilling machines, other drill bits often have a wired function and are electrically driven. Manual types are relatively rare, and there are also types on the market that are driven by cordless battery power. The above two types are commonly used in carpentry, metal processing, machine tool manufacturing, construction and other public utility projects.

History of Drilling

The history of drilling can be traced back to a very early period. A modern drilling machine are mainly composed of a base, a column, an adjustable table, a spindle, a chuck, and a drill bit, and is usually driven by an electric motor. In addition, all drilling tools should be installed on machines, and these machines are designed for different uses.
 
A drilling machine is a machine tool that uses a rotating tool to remove material by advancing the tool into one or more workpieces under the control or manual operation of a CNC system. Today, many drilling machines are not only used for drilling, but also have other functions of milling machines.


Integrated Functionality

Although today's milling and drilling operations are mainly controlled by CNC programs, there are still manual operations due to the demand for custom machining on the market. Generally, in multi-task machines, the milling and drilling functions on a single machine can already meet a variety of processing requirements. Its machining capacity depends on the axes track designs, so that the tool can move around the workpiece. The number of axes depends on customer needs. There is no absolute best quantity, only the most suitable solution according to user needs.

 

Specific Phases of Drilling

In practice, drilling is not like a lathe. Milling and drilling cover a wide range of operations and the applicable processing range is very wide, from single tiny parts to large and heavy milling tasks. Milling and drilling are the most widely used machining methods because they can provide stable and precise tolerances.
 
The research and development of milling methods began with the demand for machining of complex contour workpieces. It is highly appreciated and adopted in industry, which is difficult to achieve with traditional processing methods. With the development of milling and drilling processes, many improved machining methods have emerged, like complex machining centers.

 

Drilling by Machining Centers

The machining center is a highly developed machine that can handle multiple types of milling, drilling, and even boring tasks at once, and is an evolution from a traditional milling machine. At first, the machine center evolved from milling machines in the 1960s. This was due to the growing demand of the aerospace and automotive industries in the United States. Later, this trend extended to other parts of the world.

 

Programmed Drilling and Milling

After applying CNC technology to milling machines, the development of this particular type of machine tool has made good progress in the entire industrial field. Afterwards, the machine center was widely used in various industries and made extensive contributions to the industry. As the name suggests, milling is a machining process that uses a rotating tool to remove material by advancing the tool into one or more workpieces.
 
Compared with traditional lathes, even with additional drilling tools, it is difficult to effectively handle workpieces with a specific depth. With this expectation, the following development and machining center concepts were gradually formed. The term "machining center" can be used to describe various CNC (computer numerical control) drilling and milling machines, which are equipped with some key but sometimes optional accessories, such as tool magazine, ATC (automatic tool changer), electric turret, CMM (coordinate measuring machine), multi-axis table, etc.

 

Development of Drilling Tools

Drilling and deep hole drilling are two major developments in the drilling industry within the metalworking industry. Depending on market demand, there are many different types of tool systems that can help the drilling operation process the most suitable way to form the desired depth of the metal workpiece. With the advent of the era of intelligent manufacturing, the tooling technology of drilling units is booming. Suppliers add more value to these tooling units and supporting parts, thereby ensure excellent drilling quality.

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