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How to correctly install and use the focusing lens of laser cutting machine

How to correctly install and use the focusing lens of laser cutting machine

Author: Nanjing full-Rui Technology Published: 2019-09-12 14:49 views:

After using the laser cutting machine focusing lens for a long time,

If there is a phenomenon such as film falling, dents, scratches, etc.

This will greatly reduce the capabilities of laser equipment.

Want to play the role of laser cutting machine normally,

Need to replace the new lens in time.

Well,

How should we install the focusing lens properly?

Laser cutting machine focusing lens

Spherical focusing lens and aspherical focusing lens

Spherical focusing lens:

Focusing lens used in fiber laser optical system, the base material is fused silica material, anti-reflection coating on both sides. In order to reduce the spherical aberration as much as possible, Xiaobian recommends the use of a double lens combination spherical lens.

Aspheric focusing lens:

Focusing lens used in fiber laser optical system, the base material is fused silica, anti-reflection coating on both sides, based on aspheric applications, it will not introduce spherical aberration in the transmission wavefront and can reach the limit diffraction performance. Spherical lenses can completely replace the traditional multi-spherical combination lenses.

laser cutter

Installation method of focusing lens:

1.Laser cutting machine protective lens protective film

In the palm of your hand,

The convex side of the lens faces up;

2.Pick up the focusing tube

Carefully put it in your hand,

Cover the entire lens;

3. Left and right hands rotate 180 degrees clockwise at the same time;

4. After releasing the lens, tighten the lens nut with a small steel ruler;

5. Install the jet cup on the focusing cylinder of the laser cutter;

laser cutter

Note for focusing lens:

1.Convex lens of laser cutting machine

Upward, can not be reversed;

2. No stains or fingerprints are allowed on the mirror surface;

3. The steel ruler is inserted into the slot, and lightly rotated and tightened.

And the edge of the steel ruler cannot touch the lens;

4. Shake gently, the lens does not loosen.

 

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Laser cutting machine focusing lens

The working environment can also be said to be very harsh. It is affected by soot and slag during cutting, and dust is easily attached to the focusing lens. When the mirror surface is dirty, the transmittance of the focusing lens becomes low and the heat absorption becomes high. If cleaning is not done well, the lens will easily burst. So how can you extend the life of the focusing lens?

01

Generally in the laser-sealed optical path,

Will use dry, oil-free, dust-free positive-pressure air

To protect the atmosphere from dust,

Impurities cannot enter the light path,

So as to prevent the pollution of optical lenses;

02

If it's a super high-speed perforation,

You can spray perforating oil before perforating,

So that the slag does not fall vertically to the torch section,

Instead, it fell to the side.

Thereby reducing the damage to the lenses;

03

When laser cutting machine is working

The waste residue caused the auxiliary air to blow down from the cutting nozzle,

And to a large extent

Reduced the damage of waste to the lower part of the focusing lens;

04

Minimize the use of ultra-high-speed perforations,

Use regular punch

Can extend the life of the focusing lens.

Generally, before each startup work,

Clean and maintain the focusing lens once.

When cleaning one

When the fiber laser cutting machine focuses the lens,

Use clean wipes often

And optical grade solvents,

To prevent damage by other pollutants.

Wipes must be moistened with a suitable solvent.

Never use it dry.

Considering softness,

Available wipes are Webril wipes made of cotton

Or cotton balls, lens paper,

And applicators such as cotton swabs.   

In addition to the nozzle,

Focusing lens is when laser cutting machine is working

The parts closest to the work surface,

Although the focusing lens is a very small spare part,

But it is one of the core components of laser cutting machine,

Affects laser cutting machining

Efficiency and quality.

After using the laser cutting machine focusing lens for a long time,

If there is a phenomenon such as film falling, dents, scratches, etc.

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Nanjing Quanrui Technology Development Co., Ltd., located in Gaochun District, Nanjing, was established in 2000. It is a professional manufacturer of forging machinery industry in China. Specializing in the production of Quanrui series CNC slotting machines and fiber laser cutting machines. In recent years, our company has relied on science and technology to develop the numerical control system of CNC slotting machine and optical fiber cutting machine and equipment ...