1

There are burning spots on the lower surface of the lower protective mirror

Impure cutting gas

Need to check whether the gas pipeline is clean or replace the gas

1.2

Irregular replacement of protective lenses

Operate strictly in accordance with the specifications

1.3

Worn or damaged seal ring and shrapnel of gas circuit joint

Regularly check the air tightness

The protective window is worn or damaged

Regularly check the sealing of the protection window

Airway blocked

Check whether there are foreign objects in the gas path and clean up in time

1.4

Improper adjustment of cutting parameters and anti-slag

Properly adjust process parameters, especially perforation parameters

1.5

Laser head is not up to standard

Replace accessories in time

2

There are burning spots on the upper surface of the collimating protective mirror

2.1

Improper operation of plugging and unplugging the fiber, causing the QBH end crystal to be contaminated

Follow the standard operation, insert the fiber horizontally

Particle contamination caused by wear when plugging and unplugging optical fibers

Insert and pull out the optical fiber quickly to avoid dust particles; after pulling out the optical fiber, check whether the collimating lens of the laser head is clean

The upper protective lens was contaminated during replacement

Check the sealing condition, and clean the area around the laser head before inserting or removing the protective lens

2.2

The QBH end and the laser head are not well sealed

Operate in accordance with the specifications, pay attention to the sealing of the connection between QBH and the laser head. After installing the laser head, seal the connection with masking paper

2.3

QBH end is contaminated

Before inserting the fiber, pay attention to whether the QBH end is contaminated

2.4

Loose fiber

Re-lock the fiber

3

Light deviation

3.1

Loose adjustment screw

Re-center and tighten the screws

3.2

Loose nozzle or ceramic ring

Re-lock the nozzle or ceramic ring

3.3

Fiber is loose

Re-lock the fiber

3.4

Laser head quality problem

Replace the laser head

4

The nozzle over temperature

4.1

The focus or collimator is contaminated

Clean or replace lenses in time

QBH end is contaminated

Check whether the QBH end crystal is contaminated before inserting the fiber

4.2

Protect the lens from contamination

Clean the fine film according to the specification, and do not blow with the mouth

4.3

Light deviation

Adjust the optical path centering

4.4

Wrong cutting focus setting

Refocus

4.5

Airway problem

Check whether the air path is blocked and clean it up in time; or increase side blowing

5

Can not cut through, edges have slags

5.1

Protect the lens from damage

Replace the protective lens

5.2

Unreasonable focus setting

Reset the focus according to the material and its thickness

5.3

Unreasonable air pressure setting

Reset the cutting pressure according to the material and its thickness

5.4

Fast cutting speed

Reset the cutting speed according to the form of dregs

5.5

Nozzle or ceramic body is not locked

Need to lock the nozzle or ceramic body

5.6

Tracheal leak

Eliminate air leaks

5.7

Lens condensation

Reset the appropriate water chiller temperature

The protective window is damaged, causing dust to enter

Regularly check the tightness of the protection window

5.8

Laser head quality is not up to standard

Replace the laser head

6

One side of Cutting kerf has slags

6.1

Light deviation

Adjust light polarization

6.2

he nozzle is damaged

Nozzle diameter is not round

6.3

Laser head is not vertical

Adjust the vertical of the laser head

7

Cutting kerf is extremely unvertical

7.1

Laser head is not vertical

Adjust the vertical of the laser head

8

Whole laser head is over temperature

8.1

High setting temperature of water chiller

Lower the set temperature of the water chiller

8.2

The lens is contaminated

Replace with new lenses

8.3

Waterway is blocked

Check the waterway or replace distilled water or purified water

9

Follow-up is abnormal

9.1

Nozzle and ceramic ring are loose

Re-lock or replace the nozzle ceramic ring

9.2

The sheet is shaking or too close to the edge

Change to a place where the board is stable

9.3

The RF line and amplifier signal line are in poor contact or the probe is damaged

Replace the RF cable and signal cable

9.4

The amplifier is damaged

Replace the amplifier

10

Interlock alarm

10.1

Fiber installation is not in place

Check and reinstall the lock

10.2

QBH over temperature

Check the waterway

10.3

Internal contact problem

Check if it is installed correctly