Laser Cutting Machine Technology How To Deal With Burrs?-Anne

Laser Cutting Machine Technology How To Deal With Burrs?

Fiber Laser cutting machine processing sheet metal burr what is the reason?Here we give you a simple analysis.

The working principle of fiber laser cutting machine, analysis of the resulting burr causes and solutions.

First, the focus of the beam position deviation.–fiber-laser-cutting-machine

Solution:adjust the focus position, according to its offset position to adjust

 

Second, the output power of the machine is not enough.–fiber-laser-cutting-machine

Check whether the fiber laser cutting machine works properly. If not normal, it needs to repaire and maintain machine in time. If normal, check whether the output value is correct or not.

 

Three, the cutting speed of the fiber laser cutting machine is too slow–fiber-laser-cutting-machine

Solution: timely adjust and improve the speed of wire cutting

 

Four, the purity of the auxiliary gas of the fiber laser cutting machine is not enough.–fiber-laser-cutting-machine

Solution: improve the purity of the auxiliary gas

 

Five, the cutting point of the laser beam of the cutting machine has shifted.–fiber-laser-cutting-machine

Solution: focus debugging, timely adjustment

 

Six, laser cutting machine operation time is too long to produce instability–fiber-laser-cutting-machine

Solution: close the machine, restart and let the machine rest

 

The main reason of burr in laser cutting machine.when the laser cutting machine is working the workpiece, the laser beam irradiates the high energy produced on the workpiece surface,

so that the workpiece surface vaporization rapidly, and evaporation, to achieve the purpose of cutting. But there is a core device, we must attach importance to auxiliary gas.

The auxiliary gas is when the workpiece surface irradiation after gasification, blew the slag on the surface of workpiece,If the auxiliary gas is not used, the slag will be cooled and the burr will be formed on the cutting surface.

This is the main reason for burr formation

Another reason is the quality of the equipment itself, as well as the parameter setting factors, all customers after the purchase of laser cutting machine, must be professional operators debugging equipment.

So it’s important to choose a quality factory with good after-sale service .

Solution to burrs in sheet metal processing by laser cutting machine;

1.must be equipped with air compressor, the use of auxiliary gas to cut.

2.Find a professional operator debug laser cutting machine parameters until normal.

 

Anti-freezing work of laser cutting machine:Charry

Anti-freezing work of laser cutting machine

Anti-freezing work of laser cutting machine

Due to the unique structure of fiber lasers, improper operation mode may cause serious damage to the inner core components of fiber lasers in the operating environment with low temperature. Therefore, the fiber lasers in the cold winter more need to care.
In order to help you better protect the laser equipment, extend the life of the machine, the hundred-dimensional laser to provide you with the following solutions:
1. First of all, please strictly follow the instructions of the hundred-dimensional laser operation. The ambient operating temperature of the hundred-dimensional fiber laser is allowed to range: 10 ℃-40 ℃.
2. Extreme hypothermia can cause the internal waterway of the laser to freeze and not work properly. Therefore, the hundred dimensional proposal:
• Please add in the water chiller tank based on glycol. Allowing the addition of solution to the measurement range: 10%-20% of the container, for example: your chiller tank capacity is 100 liters, add based on ethylene glycol can not exceed 20 liters.
In addition, the addition of ethylene glycol is based on the need to consult your chiller manufacturer.
• Low ambient temperatures during the winter months, such as the laser water pipe connection is placed outdoors.It is strongly recommended that customers do not close the chiller in this case. (If your laser has a maximum power of 2-kilowatt (including) above, you must turn on the laser 24 volt power switch while running the chiller).

Anti-freezing work of laser cutting machine

3. If the ambient temperature of the laser is used between 10℃-40℃, no antifreeze is added. In addition, in summer, please clean the antifreeze in the refrigerator, and then inject distilled water for use.
4. If you do not add antifreeze, you can keep the cold water cooler for 24 hours without shutting off the machine.
5. If your laser is in a long-term downtime in winter, be sure to drain the residual water from the laser water pipe.
6. If the laser in the low-temperature weather need to transport or repair, also must be the residual water in the laser drainage dry before packing transport.
7. If your laser maximum power is above 2-kilowatt (including), please be sure to drain the laser power, otherwise, the internal water of the laser solenoid valve will not be opened due to the normal drainage.
Sharing some cutting samples with you:

Anti-freezing work of laser cutting machine

If you need more details,you can contact us:
Email;xintian111@xtlaser.com
Whatsapp:+8618253165863
Skype:Charry XTLASER Zhu

How To Choose Laser Cutting Machine Lens?-Anne

How to choose fiber laser cutting machine lens?

Protective lenses, as the name suggests, is used to prevent dust and slag splash, protect the focus lens.-fiber laser cutting machine

Other than those used in fiber laser cutting machines.

they are also necessary for other laser equipment including laser marking,laser welding and laser engraving . Visible, the application of protective lenses market is very large.

Select the laser cutting machine lens protection three steps-fiber laser cutting machine

1) Overall dimensions match, this is easy to understand;

2) Materials, according to different laser power, consider the use of cost.you can choose K9, quartz, in the practical application process,

professional manufacturers  divide into two types of material into multiple levels.customers can choose the appropriate specifications according to actual needs.

3)Coating, laser antireflection film, according to the use of different coating technology parameters.

Although the protective lens of fiber laser cutting machine is vulnerable parts,

in order to improve its utilization rate and reduce the production cost.

You can clean the lens by regular cleaning, to achieve the purpose of recycling,

Here are three cleaning steps summarized by XT LASER:

1)Protective lens material is ZnS (zinc arsenic), more brittle, afraid of falling.-fiber laser cutting machine

Pay attention to when dismantling: can not be too hard, can not collide with hard object.

Anti-reflective film on the surface, afraid of pollution, afraid of wet, afraid of oily, afraid of scratch.

It is required in the work to provide dry, to the oil air, do not directly handle laser cutting machine lens protection lenses, because the skin will have a permanent fat on the lens surface damage.

Instead, you can work with gloves and its special kit, and for smaller lenses, optical tweezers or vacuum tweezers are more convenient.

No matter what method to clip the laser cutting machine to protect the lens,must follow the non optical surface clamping,  such as the frosted edges on the mirror plaque.

2)Under normal circumstances, before and after cleaning are required to check the laser cutting machine to protect the lens.

Because most of the contaminants and surface defects are relatively small in size, we often need to magnify the equipment when examining the lenses.

In addition to enlarging the equipment, sometimes we need to illuminate the optical surface with a brighter beam of light, enhancing the specular reflection of surface contaminants and defects, making it easier to spot contaminants and defects.

3)When cleaning a laser cutting machine to protect the lens, often use a clean wipe paper and optical grade solvent to prevent damage by other pollutants.

Use wet wipe the paper , do not dry to use.

In the softness of the consideration, the available wipe paper is cotton Webril wipe paper or cotton ball, lens paper, and cotton applicator applicator.

 

 

fiber-laser-cutting-machine

American customers fiber laser marking machine :Charry

American customers fiber laser marking machine

American customers fiber laser marking machine.

Firstly,most American customers,they prefer to choose the mini model,cause the smaller size and easy to move,ship.

Machine size and weight: 76*68*77cm  Net weight :60kg, Gross weight:90kg.

American customers fiber laser marking machine

Secondly,for machine shipping,most American customer choose by DHL door to door,its about USD725 ,directly to your factory within 5days. Or if you have your own forwarder,you also can choose them,we can send the machine to your forwarder warehouse.

But for now,there is a good news,the TNT will have a discount for us within this month,just need about USD600,the machine will be sent to your factory.

Thirdly,my American customers always need the FDA to import the machine,its will be easy for you to import the machine,when you need to full the document of FORM 2877.

Fourthly, American voltage is 110v,we will produce the machine from 220v into 110v,then it will be suitable for your voltage.

Fifthly,as we said,we have many customers in America,sharing one of American customer feedback of the machine:

American customers fiber laser marking machine

Sharing some marking samples by our testing department with you:

American customers fiber laser marking machine

If you want to know more details,just contact us:

Email:xintian111@xtlaser.com

Whatsapp:+8618253165863

Skype:Charry XTLASER Zhu

Confirming the cutting quality of fiber metal laser cutting machine-Jennifer

Today, we are going to share the tips, including the fiber metal laser cutting machine’s quality.

1. Roughness in fiber metal laser cutting machine

Laser cutting cross-section will form vertical lines. The depth of the grain determines the cutting surface roughness. The lighter the grain, the more smooth cutting section. Roughness not only affects the appearance of the edge, but also affects the friction characteristics, in most cases, the need to reduce the roughness, so the lighter the grain, the higher the cutting quality.

2. Vertical degree

How the thickness of the sheet metal exceeds 10mm, the vertical degree of cutting edge is very important. As far away from the focus, the laser beam becomes divergent, and the cutting is widened toward the top or bottom according to the position of the focus. The cutting edge deviates from the vertical line a few millimeters, the edge is perpendicular, the cutting quality is higher.

3. Cutting width

Incision width generally does not affect the cutting quality, only in the part of the formation of a particularly precise contour, cutting width is important, this is because the cutting width determines the profile of the smallest internal, when the thickness of the sheet increases, cutting width also increases. So to ensure the same high accuracy, regardless of the width of the incision, the workpiece in the laser cutting machine processing area should be constant.

4. Grain

When cutting thick plates at high speed, the molten metal does not appear in the incision below the vertical laser beam, but it is sprayed out at the back of the laser beam. As a result, the curved lines formed at the edge of the cutting, the veins tightly followed the moving laser beam, in order to correct the problem, the cutting process at the end of the lower feed rate, you can greatly eliminate the line.

5. Burr

The formation of burrs determines the quality of laser cutting a very important factor, because the burr removal requires extra work, so the severity of the burr and how much can be intuitive to judge the quality of cutting.

6. Material deposition

The laser cutter encounters a special oil-containing liquid on the workpiece surface before starting the melting hole. Gasification and various, the material does not use the customer to blow the cut with the wind, but the upward or downward discharge will also form deposition on the surface.

7. Depression and corrosion

Pitting and corrosion have an adverse effect on the surface of the cutting edge and affect the appearance. They appear in the usual cutting error that should have been avoided.

8. Heat-Affected areas

In laser cutting, the area near the incision is heated. At the same time, the structure of the material changed. For example, some materials can harden. The heat-affected zone refers to the depth of the area in which the internal structure changes, and the lower the depth, the better in fiber metal laser cutting machine.

9. Deformation

If the cutting makes the parts heated up sharply, it will deform. This is particularly important in fine-grained processing, where the outlines and connectors are usually only a few millimeters wide. The control of laser power and the use of short laser pulses can reduce the heat of parts and avoid deformation.
Metal laser cutting machine

Metal laser cutting machine

Find the agents of fiber laser cutting machine:Charry

Find the agents of fiber laser cutting machine

Find the agents of fiber laser cutting machine.

Actually, we had a further talking with our ending customers on the exhibition.Some of them want to buy the machine from local suppliers directly,so why they have the idea?

1.They are worried about the machine installation and using.
2.They worried about the machine repairing when the machine with some trouble.
3.They want an easy purchasing order in their local place,do not need import, 
Customs Clearance.
4.If they need any help,engineers need to come to their factory in time.

So the following with the details:

Firstly,

Like the fiber laser cutting machine,thats a bigger machine,a little difficult.

Some of our ending users do not need engineers training and installation,cause they have operated this kind of machine.But some of customers do not familiar with the machine,they need engineers to help them.

Before the machine shipping,we always let customers to choose:

Our engineers go to their factory to help them install and training(they have to pay the round tickets fees and accommodations fees). Or their engineers come to our factory to learn(they pay by themselves).

But customers always have many questions of the machine,our engineers can not go to their factories each time.

Secondly,

Our ending customers also ask about us: when our machine is broken down,your engineers will come to for a repairing?

Most time,we will let customers take videos ,we check the machine ,find out the problem,then to tell them how to repair by themselves. Cause the engineers overseas cost is too higher,we can not stand it.Cause we offer the best price for customers,there is not too much profit.

And our rule is that if it break down or some parts damaged(Except the human factors and the factors of force),the seller should be responsible for repair for free.

But they will ask that the time is too longer,they can not wait several days,they need several hours to repair the machine.

Thirdly,

Some of the customers are direct,they do not want any trouble things,or they do not have the importing right,they do not like to have a talking with customs.

Fourthly,

Your engineers can reach their factory to check the machine,but we just can use the video to check the machine,or remote control,but its not convenient.Some customers do not follow our steps to repair,there will be more problems after their changing.

After the comparison,the details, the 4 points are your advantages and chips when you had a discussion with your customers.

Sharing the exhibition pictures with you:

Find the agents of fiber laser cutting machine

 

 

Find the agents of fiber laser cutting machine

 

 

 

 

 

 

 

 

 

 

 

My email:xintian111@xtlaser.com

Whatsapp: +8618253165863

Skype: Charry XTLASER Zhu

Common problems of fiber laser cutting machine-part 2 : Charry

Common problems of fiber laser cutting machine-part two

Common problems of fiber laser cutting machine-part 2.

Common problems of fiber laser cutting machine-part 2

 

 

 

 

 

 

 

Firstly,
Types and effects of gases used:
Air: ①: Used as a cutting gas ②: Use ③ as a cooling cutting head: Use as a light path for internal dust removal (protect lenses to prolong the use of lenses)
General oxygen: As a carbon steel cutting gas (combustion-supporting) purity 99.5%
Pure nitrogen: As a stainless steel cutting gas (cooling) purity 99.9% (cut carbon steel speed of 3/4)
High Purity Nitrogen: the use of gas as a laser 99.999%
High purity Helium: the use of gas as a laser 99.999%
High-purity carbon dioxide: the use of gas as a laser purity 99.999%

Secondly,

Size of the cutting hole: (distinguish between material and thickness)

① cutting 8㎜ within the carbon steel plate, the aperture can not be less than the thickness of the plate, cutting 10㎜ within the plate, the aperture can not be less than 1.2 times times the thickness of the plate.
② cutting 4㎜ within the stainless steel plate, the aperture can not be less than the thickness of the plate, cutting 4㎜ above the plate, the aperture can not be less than 1.2 times times the thickness of the plate.
③ if the aperture exceeds the above range, the pulse cutting or marking process is used.

Thirdly,

Pulse Cutting: (relative to continuous wave cutting)
The ① velocity is a continuous wave of $number.
The ② power is larger than the continuous wave.
The ③ pressure is about twice times larger than the continuous wave. Perforation using continuous wave

Common problems of fiber laser cutting machine-part 2

Fourthly,

Perforation Mode: (applicable to cut carbon steel)
① normal perforation: Suitable for use when cutting 5㎜ carbon steel below.
② progressive perforation: used when cutting 6-8㎜ carbon steel. (must revise the corresponding parameter P990012)
③ powerful perforation: used when cutting 10-12㎜ carbon steel (burst hole mode).
Perforation height is not less than the height of cutting, perforation pressure is not less than 1.0.

Fifthly,

Parameters of the introduction line (suitable for cutting stainless steel)
① cutting 1-3㎜ stainless steel using a single (cut small round or deceleration) way.
② cutting 3-6㎜ stainless steel with two (cut small round or deceleration) way.
The pressure of the ③ is 1.5 times times larger than that of the cut.

Sixthly,

The cause of “burst hole”:
① perforation time is not enough
② pressure is too big
③ the focus is wrong.
④ perforation height is too low
⑤ Pulse Frequency inconsistency
⑥ Power is too large
Following with our new machine model:
Common problems of fiber laser cutting machine-part 2
More details you want to know,just contact me:
Email:xintian111@xtlaser.com
Whatsapp:+8618253165863
Skype: Charry XTLASER Zhu

Common problems of fiber laser cutting machine: Charry

Common problems of fiber laser cutting machine

Common problems of fiber laser cutting machine.

Common problems of fiber laser cutting machine

 

 

 

 

 

 

 

Firstly,”Stainless Steel category”: (the amount of defocus according to the thickness of the plate adjustment)
①: The more focus it is on the brighter the cutting surface.
②: The lower surface of the hard slag is: The focus is too high, the speed is too slow, the pressure is too small.
③: The more focus is on the rougher the cutting surface.
④: The bottom surface hangs the soft slag is: the focal point is too, the speed is too fast, the pressure is too big, the power is too high.
⑤: The focus is not right, the power is too low, the speed is too fast.

Secondly,”Carbon Steel”: (Defocus according to the thickness of the plate adjustment)

The following surface hanging hard slag is:
①: The focus is too low; ②: The pressure is too small; ③: power is too small; ④: too fast.
Rough cutting surface is:
①: The focus is too high; ②: too much pressure; ③: too much power; ④: Material problem.

Common problems of fiber laser cutting machine

Thirdly,Selection of cutting nozzles and lenses: (Cutting parameters):
One: the choice of nozzle and lens when cutting carbon steel:
①: Choice of Lenses:
Use (5-inch) lenses for cutting 1-8mm carbon steel.
Use (7.5-inch) lenses for cutting 8-10mm carbon steel.
②: Nozzle Selection:
Use (φ1.4) nozzles when cutting 1-6mm carbon steels.
Use (φ2.0) nozzles when cutting 6-10mm carbon steels.
Two: the choice of nozzle and lens when cutting stainless steel:
①: Choice of Lenses:
Use (5 inch) lenses for cutting 1-4mm stainless steel.
Use (7.5 inch) lenses for cutting 4-6mm stainless steel.
②: Nozzle Selection:
When cutting 1-3mm stainless steel, select (φ1.5) nozzle. 10㎏-13㎏ when cutting (nitrogen pressure)
When cutting 3-4mm stainless steel, select (φ2.0) nozzle. 13㎏-15㎏ when cutting (nitrogen pressure)
When cutting 5-6mm stainless steel, select (φ2.5) nozzle. 14㎏-16㎏ when cutting (nitrogen pressure)

Following with some of our cutting samples:

Common problems of fiber laser cutting machine

 

 

 

 

 

 

 

 

My email:xintian111@xtlaser.com

Whatsapp:+8618253165863

Skype: Charry XTLASER Zhu