Question 1

Why does my laser cutting machine fail to cut through the material completely?

Accepted Answer

Incomplete cutting may result from insufficient effective energy delivery, unsuitable processing parameters, excessive material thickness, incorrect focus, or material variation. V…

Question 2

Why is the CCD vision positioning system inaccurate?

Accepted Answer

Vision positioning errors may be caused by poor image contrast, unsuitable lighting, a dirty lens, incorrect calibration, or unstable workpiece placement. Check image quality and c…

Question 3

Why is my laser-cut ceramic edge chipping excessively?

Accepted Answer

Excessive ceramic edge chipping may result from unsuitable laser parameters, material variation, unstable fixturing, or an inappropriate cutting strategy. Check the material and pr…

Question 4

Why does my laser cutting machine show a chiller alarm?

Accepted Answer

A chiller alarm may indicate abnormal coolant temperature, insufficient flow, a low coolant level, or a cooling-system fault. Identify the alarm type and check the cooling system a…

Question 5

Why won't my laser cutting machine start?

Accepted Answer

If a laser cutting machine will not start, possible causes include an abnormal power supply, an activated emergency stop, an open safety interlock, an alarm condition, or a control…

Question 6

What should buyers know about ordering, installing, and maintaining a laser cutting machine?

Accepted Answer

Purchasing a precision laser machine involves confirming application requirements, evaluating sample results, selecting the configuration, and agreeing on delivery and acceptance c…

Question 7

What are the common technical questions about precision laser processing?

Accepted Answer

Precision laser processing uses focused laser energy to cut, drill, mark, or machine materials. Processing results depend on laser wavelength, pulse duration, power, motion control…

Question 8

What are the most frequently asked questions about ceramic laser cutting machines?

Accepted Answer

Ceramic laser cutting machine selection depends on material type, thickness, required precision, edge quality, and production volume. Buyers should evaluate laser configuration, sa…

Question 9

How should I choose a laser machine for precision micro-hole drilling in silicon nitride ceramics?

Accepted Answer

A silicon nitride drilling system should be selected according to hole diameter, hole depth, array layout, dimensional tolerance, edge quality, and required drilling throughput. Sa…

Question 10

Which laser machine is suitable for aluminum nitride (AlN) ceramic cutting?

Accepted Answer

AlN laser machine selection depends on substrate thickness, required geometry, edge quality, and production requirements. QCW fiber, UV nanosecond, and UV picosecond configurations…

Question 11

Should I choose a nanosecond or picosecond laser for precision ceramic processing?

Accepted Answer

Nanosecond and picosecond lasers differ mainly in pulse duration and their interaction with materials. The best choice depends on feature size, thermal effects, processing speed, m…

Question 12

How do I choose a laser cutting machine for ceramic materials?

Accepted Answer

The right ceramic laser cutting machine depends on material type, thickness, feature geometry, required accuracy, edge quality, and production throughput. YCLASER can evaluate suit…

Question 13

What is a heat-affected zone (HAZ) in laser processing?

Accepted Answer

The heat-affected zone (HAZ) is the region of material adjacent to the processed area whose properties or microstructure have been altered by heat. Its size and effects depend on t…

Question 14

What is laser kerf width?

Accepted Answer

Laser kerf width is the width of material removed during a laser cutting operation. It affects the final dimensions of the workpiece and must be considered when designing narrow sl…

Question 15

What is a grating scale in a precision laser machine?

Accepted Answer

A grating scale is a precision position-measuring device that provides feedback about the actual position of a machine axis. When integrated with a closed-loop motion controller, i…

Question 16

What is a CCD vision positioning system?

Accepted Answer

A CCD vision positioning system uses a camera and image-processing software to identify workpiece features and align the laser processing path. It is commonly used to improve align…

Question 17

What is a picosecond laser?

Accepted Answer

A picosecond laser emits pulses with durations measured in picoseconds ($10^{-12}$ seconds). Its ultrashort pulses can help limit heat diffusion during each pulse, making it usef…

Question 18

What is a QCW laser?

Accepted Answer

A QCW (quasi-continuous wave) laser delivers laser energy in controlled pulses or bursts with relatively high peak power. It is used in applications requiring efficient material re…

Question 19

Why is sample testing important before purchasing a ceramic laser cutting machine?

Accepted Answer

Sample testing verifies whether a proposed laser system and processing method can meet the customer's actual material and product requirements. It helps evaluate dimensions, edge c…

Question 20

Why should I choose a laser cutting machine based on material thickness and feature size?

Accepted Answer

Material thickness and feature size determine how much material must be removed and how precisely the laser energy must be delivered. Thick sections may require greater material re…

Question 21

Why does a laser cutting machine use CCD vision positioning?

Accepted Answer

CCD vision positioning helps the machine identify workpiece edges, reference marks, holes, or other recognizable features before processing. It can compensate for certain workpiece…

Question 22

Why does a precision laser cutting machine use a marble platform?

Accepted Answer

Natural granite or engineered stone bases are used in some precision machines because they can provide a stable structural foundation, good dimensional stability, and useful vibrat…

Question 23

Why does a precision laser cutting machine use a linear motor and a grating scale?

Accepted Answer

A linear motor drives the motion stage directly along a linear axis, while a grating scale measures the stage's actual position. When integrated into a closed-loop control system, …

Question 24

Why is a laser cutting machine's positioning accuracy different from its actual cutting accuracy?

Accepted Answer

Positioning accuracy describes how accurately a machine reaches a commanded position under defined measurement conditions. Actual cutting accuracy also depends on the laser spot, k…

Question 25

Why is laser processing suitable for hard and brittle materials?

Accepted Answer

Laser processing removes material using concentrated optical energy without requiring a cutting tool to apply direct mechanical cutting force. This can reduce tool-contact-related …

Question 26

Why does laser cutting sometimes cause chipping or microcracks in ceramics?

Accepted Answer

Chipping and microcracks can occur when localized heating, thermal stress, material defects, or unsuitable processing conditions exceed the material's ability to withstand the indu…

Question 27

Why can't laser cutting quality be judged by laser power alone?

Accepted Answer

Laser power is only one factor affecting cutting performance. Pulse duration, wavelength, pulse energy, repetition rate, focal position, scanning speed, and motion control also inf…

Question 28

Why does laser wavelength matter when cutting ceramics?

Accepted Answer

Laser wavelength affects how a material absorbs laser energy and how that energy is deposited during processing. Ultraviolet, visible, and infrared lasers can produce different res…

Question 29

What is the difference between nanosecond and picosecond laser processing?

Accepted Answer

The main difference is pulse duration. A nanosecond laser emits pulses lasting nanoseconds, while a picosecond laser emits much shorter pulses lasting picoseconds. Picosecond proce…

Question 30

Why do different ceramic materials require different laser processing parameters?

Accepted Answer

Different ceramic materials require different laser processing parameters because their optical, thermal, and mechanical properties vary. Even ceramics with similar hardness can re…

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FAQ и ответы по знаниям

Вопросы и ответы

Why does my laser cutting machine fail to cut through the material completely?

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