Nozzles for Speedy laser engraver and cutter

How to choose the right nozzle for your application

Choosing the right nozzle can be the key to the perfect laser result. In addition, the nozzle is the primary dust protection for the lens. Read here which nozzle suits your application.

Selection of nozzles

There are 3 different nozzles to choose from:

Short nozzle with large hole diameter (7mm)

The short nozzle with the large hole diameter (7mm), the standard nozzle, can be used for both laser engraving and laser cutting.
When cutting, this nozzle is primarily used for laser processing acrylic because the material isn’t cooled down as quickly and this creates a beautiful flame-polished edge.

Short nozzle with small hole diameter (3mm)

The short nozzle with the small hole diameter (3mm) is mainly used cutting materials that create excess smoke such as wood. Due to the small opening, the concentrated airflow is directed into the kerf, blowing away emerging smoke and cutting gases.
This nozzle is less suitable for engraving dust-intensive materials, such as plastics or stamp rubbers. The engraving dust settles faster at the opening of the nozzle and can block it, causing a burn hole in the lens.

Long nozzle with small hole diameter (3mm)

Specifically for use in combination with the 2.5" lens, there is still a long nozzle with a small hole diameter (3mm). This compensates for the larger focal distance between the 2.5" lens and the material. The properties of the nozzle are the same as those of its short counterpart.

Copper nozzles for laser cutting with compressed air

Copper nozzles for laser cutting with compressed air

For laser cutting with compressed air on the SP500 there are additional copper nozzles with a hole diameter of 1.7mm for the short nozzles. Due to the extremely small diameter, the airflow is directed into the kerf in an even more targeted manner. Thus, you achieve a perfect laser cut in materials such as thicker wood from approx. 5 mm or polycarbonate.
Depending on the lens used and the resulting focal distance, there are attachments in four different lengths.

More information and tips

Do you need more information about choosing the right nozzle or other tips about laser processing? Our experts will be happy to help you.

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