Laser Hole Drilling Process

Laser drilling in a trepanned spiral pattern begins in the approximate center of the laser drilled hole and prevents hole inconsistencies related to the start stop of the laser beam.

Laser hole drilling process.

Laser drilling is a non contact process that uses focused high energy density light to ablate material and drill holes in a wide variety of materials. Laser drilling is a non contact process where the workpiece and the tool do not come in contact with each other. The smallest hole diameter that can be drilled by this operation is about 6 mils 0 006. Laser drilling of micro holes is a key area for precision laser micromachining.

The laser drills are more precise can drill way smaller holes. Laser drilling is a non contact process meaning that unlike conventional drills the laser doesn t physically touch the material it is working with itself meaning that the only mark that is left is the hole that has been drilled. This in turn maintains the original quality of the material. If larger holes are required the laser is moved around the circumference of the popped hole until the desired diameter is created.

Laser micro hole drilling is widely applied to the creation of precisely controlled orifices for applications that demand a combination of small diameter exceptional quality and exacting tolerances. This is essential in order to define a suitable drilling strategy modify process parameters accordingly during the drilling process and to use process gases effectively. Percussion laser drilling therefore typically creates deeper and more precise holes with. Gfh gmbh has been involved in the production of laser drilled micro holes since it was founded.

Laser drilling is the process of creating thru holes referred to as popped holes or percussion drilled holes by repeatedly pulsing focused laser energy on a material. The diameter of these holes can be as small as 0 002 50 μm. Compared to other drilling methods lasers offer superior speed and precision while lowering operating costs. Laser drilling is the process of repeatedly pulsing focused laser energy at a material vaporizing layer after layer until the desired depth is achieved.

The difference however between percussion laser drilling and single shot laser drilling is that the size of the beam being used within percussion laser drilling is changed throughout the process changing the size of the hole throughout the process. This drilling technology implements drill bits. Laser drilling utilizing the trepanning method can also produce proportionately larger exit holes by tilting the laser beam within an already drilled.