CNC Drilling

What Is CNC Drilling?

CNC drilling is a?widely used?machining process that?involves?a rotating?drill bit?to produce round holes in a stationary workpiece.?Usually, the holes are?drilled?to accommodate machine screws or bolts of accompanying size?in industries where precision and productivity are top priorities.

Nevertheless, depending on the component's design, the holes could be formed for aesthetical reasons. Drilling is a critical part of any steel fabrication process.?

Materials

There are several different types of components that are used for milling operations: sheet metal pieces, solid bars, hollow tubes, and snapped beams (i.e. I-beams). Casting, extrusion, and forging, to name a few, are all reliable methods of producing metal products that might involve milling as its secondary process.

How Does CNC Drilling Work?

The CNC drilling process shares the same steps with other?CNC machining operations. These include:

1.?????Item is drawn in a CAD program.?In order to?make?a CNC drilled?metal part?it has to be?created?a digital design?by using a?CAD software.

2.?????Converting the design into machine?code.?Once the?3D design is ready, it needs to be converted?by computer?a design produced by computer-aided design software (CAD) into numbers.

3.?????Loading the instructions to the CNC machine.?The machine code that is loaded to the CNC machine directs how the CNC machine?reads the G-code,?moves, and performs the desired action to shape the item during the drilling process.

4.?????Setting up the CNC machine.?During the set-up process, the right drill bit is installed, and the workpiece is secured.

5.?????Execution.?The machine operator initiates the machining program.

6.?????Inspection.?The operator inspects the component for any errors or imperfections once the drilling procedure is complete.

Advantages of CNC Drilling

Compared to conventional drilling technologies, CNC drilling offers a list of advantages, such as:

Higher precision.?Once a design has been loaded into the CNC machining software?drilling machines integrated with CNC technology can execute precise design parameters with high accuracy and tight tolerances.

High Production and Scalability. After a set-up the machines can produce components in any size, shape, texture, and quantities.

Broader versatility.?CNC drilling units can accommodate multiple drill bits, that can be used to create a variety of holes.

Greater reproducibility.?CNC drilling units are less prone to mistake since they are computer-controlled. Manufacturers are able to achieve great uniformity within and between batches as a consequence.?

Lower Costs.?That is a combination of high speed, efficiency, specialization, accuracy and less labor hours that lead to a better bottom line.

What makes good metal drilling??

·???????Smoothly deburred holes

·???????Application?of?quality drill bits made from the highest quality titanium, vanadium and cobalt

·???????Keeping?steady but slow speed in order to prevent inaccuracies

·???????Usage of?the correct amount of lubricant in order to reduce friction

Drilling –?how?is?it performed?

For a productive?drilling?it is important to:

·???????Select the right drill (technique) for the plate thickness and material

·???????In case needed, pre-drill the holes

·???????In case needed, cool during drilling

·???????Always use a sharp drill bit

Discover the advantages of our custom and premium services.

Hennordic offers CNC drilling as a part of the production process. For more information on precision drilling, contact the experts at Hennordic today.