JPT pulse fiber laser repair

JPT M8 series is a compact pulse device laser with a power range of 100W-250W. It is widely evaluated for its powerful chips:

Precision marking (metal/plastic/ceramic)

Thin plate welding (battery tabs, electronic components)

Surface treatment (coating, removal)

Core advantages:

Beam quality M²<1.5

Pulse width 2-200ns adjustable

Support external trigger (TTL/analog)

II. Common fault diagnosis and maintenance solutions

1. Laser power decreases or no output

Fault phenomenon:

Processing marks become lighter

Electrical meter detection value is 80% lower than the rated value

Root cause:

Fiber end face contamination (accounting for 45% of the failure rate)

Pump life (consumes about 20,000 hours)

Power output module

Maintenance solution:

Fiber end face repair:

Special cleaning kit to handle minor contamination

Replace QBH connector in case of severe labor (cost ¥800 vs 5,000 yen for the whole part)

Pump source detection:

Current-power curve test, attenuation>15% needs to be replaced

Provide domestic compatible dispersion (save 50% cost)

2. Processing position offset

Fault phenomenon:

Marking/welding position does not overlap

Repeat positioning accuracy>±0.1mm

Troubleshooting steps:

Check the feedback signal of the galvanometer motor

Adjust the focal length of the field mirror (using a standard grid plate)

Verify the stability of the material fixture

Quick solution:

Perform re-"galvanometer zero adjustment" (manufacturer password required)

Replace the main shaft of the main shaft (domestic parts cost ¥1,200)

3. System alarm processing

Alarm code Timely emergency measures

E01 Water temperature is too high Clean the chiller filter

E05 Communication timeout Check RS485 lead oxidation

E12 Pump overcurrent Immediately detect the drive circuit

III. Preventive maintenance system

1. Daily maintenance checklist

Record laser power fluctuations (should be <±3%)

Optical cleaning window (once a week, use anhydrous ethanol)

2. Monthly maintenance focus

Check fan (needs >3000rpm)

Test emergency stop function

3. Annual deep maintenance

Replace coolant (conductivity <5μS/cm)

Adjust power sensor (return to factory or use standard probe)

IV. Demonstration of our technical capabilities

1. Chip-level repair (cost reduction of 80%)

Repair power board/control board (¥500-2,000 vs. the cost of replacing the whole board is ¥8k+)

Case: Replace STM32 main control chip (￥150) to solve communication failure

2. Beam quality optimization

M² value restored from 1.8 to <1.3 (through optical path adjustment)

Provide pulse waveform database to improve processing efficiency

3. Intelligent monitoring system

Real-time monitoring of key parameters:

Pump current movement

Coolant flow

Predict potential failures 7 days in advance

V. Repair cost comparison

Project Original factory quotation Our solution Savings ratio

Laser module replacement 28,000 yen 9,500 yen ↓66%

Galvanometer repair 15,000 yen 3,200 yen ↓79%

Annual maintenance total cost ¥200k+ ¥60k ↓70%

VI. Successful cases

An electronic tag manufacturer (10 M8-200W)

Problem: Annual maintenance cost 350,000 yen, mainly due to fiber damage gap

Our solution:

Add component static monitoring sensor

Switch to anti-bending special parts

Result:

Component replacement cycle extended from 3 months to 2 years

Annual comprehensive cost as low as ¥80k

VII. Reasons to choose us

Spare parts inventory guarantee: 20+ high-precision fault parts are always available

Warranty commitment: All repairs enjoy an extra-long warranty of 12 months

Get exclusive repair solutions now!

Contact our senior laser maintenance engineers for free:

"M8 Series Maintenance PDF"

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