red laser line generator – Red Dot, Line and Cross Line Laser Modules

Convenient Use of 650nm Red Laser Line Generator In Laser Cutting Work

Under operation of constant technical innovation of 650nm red laser diode tech and qualified glass coated lens within wide fan angles, not comparable with a simple red laser pointer, it is created into a bit more complex laser line measuring device of a 650nm red laser line generator. It always projects highly bright and intense red laser light at several miles far away, and converts into ultra fine and straight red reference line as laser cutting guidance. This red line laser module projects a highly collimated red laser line to precisely mark the cutting path. This serves as a visual guide for the cutting head and is compatible with pre-positioning and real-time tracking for various laser cutting machines.
When 650nm red laser line generator gets constant electric power source from an AC/DC adapter, it enables long term lasted red reference line projection from beam aperture immediately. It provides visual precision guidance. The red laser light is clearly visible to the naked eyes, allowing for intuitive calibration of the cutting path and alignment of material edges before cutting, avoiding positioning errors and reducing trial cut losses. Besides its basic use of a metal heat sink cooling system, there is also special part of APC, ACC driving circuit board inside a durable anodized aluminum alloy housing tube. This red line laser module enables constant red laser beam and red reference line projection, and long serving lifetime of more than 8,000 hours in proper use.
Generally 650nm red laser line generator applies a qualified glass coated lens and glass window in front of beam aperture, selected with 10 to 110 degree fan angles, it projects high linear quality and highly straight red line within 0.5 meter to 6 meters length in use. Cooperated with its adjustable red reference line thickness within 0.1 to 0.5mm per meter, it enables high straightness and high linear quality red reference line projection, and adapted to multiple cutting needs of metal and non-metal materials and workpieces of varying thicknesses. According to quite easy integration with cutting machine or device, this red line laser module gets no need of complex commissioning. It integrates well with the cutting system without compromising cutting efficiency, but providing factory workers and engineers the lowest production cost operation.
Major use in cutting works:
Cutting Path Pre-positioning: 650nm red laser line generator projects a laser line onto the surface of workpieces such as plates, pipes, and fabrics, accurately marking the cutting contour (e.g., for special-shaped parts and multi-station cutting paths), assisting operators in quickly aligning and loading materials.
Real-Time Cutting Head Tracking: Utilizing a sensor, the laser line moves synchronously with the cutting head, providing real-time cutting position indicators, making it easy to monitor cutting progress and adjust deviations (e.g., when cutting curved/irregular workpieces).
Batch Alignment of Multiple Workpieces: When cutting workpieces of the same specification in batches, the red alignment laser line serves as a unified reference to quickly locate the cutting starting point for multiple workpieces, improving batch production efficiency.
Special Cutting Guidance: Clearly marks the cutting path when cutting opaque materials (metal sheets), translucent materials (acrylic), or flexible materials (leather, film), preventing cutting errors caused by material shifting.

How Can High Straightness 635nm Red Line Laser Module Work Precisely

Whatever kind of working surfaces users are trying to make ultra fine, clear and precise line indication, on consideration of high level of accuracy and high speed line positioning works, it would be a quite efficient solution to apply a high energy density device of a 635nm red line laser module. It keeps work with highly straight and good linear quality red reference line projection from beam aperture. Based on its correct use of output power and optic lens fan angle, and proper installation or integration with industrial device or equipment, being used as an accessory part, this ultra compact size tube made red laser line generator always makes excellent red line indication onto multiple raw material surfaces precisely.
According to the adoption of an import 635nm red laser diode within 5mW to 100mW and high power up to 150mW to 500mW, this red line laser module gets special use of a qualified glass coated lens within 10 to 110 degree fan angles and metal heat sink cooling system inside its durable anodized aluminum alloy housing tube. In practical precise line positioning work, it gets superior nice heat dissipation, high stability, strong anti-interference capabilities, and excellent consistency, ensuring stable output power. Owing to its selected output power, besides its operation for close distance and inner room precise line positioning work, this red laser line generator also enables highly precise and clear red line indication at long extending distance of 25 meters and multiple lighting occasions as well. This sensitive color laser light emitted laser line alignment tool makes excellent line positioning results under formal lighting and other high lighting occasions as well.
In practical precise line positioning work fields, owing to the use of a durable anodized aluminum alloy housing tube design, this 635nm red line laser module always emits high quality red Gaussian beam. Configured with adjustable focus optic lens, once highly intense red laser light is concentrated, it just converts into an increasing accuracy and fineness red line at longer distance easily. The casing offers high strength and wear resistance, can withstand certain impacts and vibrations, and is resistant to static electricity.
General applications of 635nm red line laser module:
Industrial Manufacturing: In electronics manufacturing, it can be used to check the alignment of circuits and solder joints during PCB inspection. In chip packaging, red laser line can be used to mark low-reflective surfaces. In machining, it can be used for tool setting and material cutting positioning. Furthermore, laser line generator can be used for conveyor positioning, centering packages or parts, and as a sensor trigger source for synchronized marking of photoelectric switches.
Construction Engineering: 635nm red laser line generator can be used for rough indoor positioning, such as providing a reference line for tile laying and drywall installation. It can also be used for short-distance layout, marking walls and floors within 5 meters.
Educational Demonstration: In physics experiments, Red alignment laser line can be used to demonstrate the rectilinear propagation and refraction of light. In engineering training, they can serve as an auxiliary tool for teaching basic calibration of mechanical equipment.
Medical: Can be used in medical equipment, for example, as an auxiliary light source for accurate physical positioning of lasers, helping doctors perform more precisely.
Security: Can be used as a simple cordon for low-power warnings in warehouses, exhibition booths, and other locations. It typically requires use with a detector.

High Visual Recognition 650nm Red Laser Line Generator for Industrial Positioning

In any type of ultra clear, fine and bright line indication onto multiple working surfaces, either used for close or long distance, it should be quite efficient job to apply a highly intense and bright beam emitted tool, such as a 650nm red laser line generator. In practical industrial precise line positioning works, it provides visual linear reference for different type of metal and non metallic materials. Being made with an import 650nm red laser diode and a qualified glass coated lens inside a high duration metal housing tube, only if red line laser gets constant electric power source supply and proper integration or installation onto industrial processing machine or device, it enables easy reaching, highly precise and fine red line indication for multiple raw material processing works conveniently.
The usual line indication work with a 650nm red laser line generator is continuing for a quite long time, which is always in need to work with other industrial positioning machine or device. The adoption of 650nm wavelength enables high sensitivity red laser light emission, thus the finished production of laser line module just enables ultra clear and visible red line indication onto different materials such as light, dark, glossy, and matte surfaces, without additional observation tools. According to real work distance, lighting occasion, not limited by real work distance, this red line laser module just enables correct use of output power and optic lens fan angle, and ultra clear and precise red line indication within the maximum work distance of 25 meters and multiple lighting occasions as well.
Applications of 650nm red laser line generator in industrial positioning:
Material handling and alignment: In the conveyor belt and assembly line, a single line is to mark the material placement position and sorting boundary to ensure the accurate conveying or stacking of materials.
Equipment installation and calibration: When installing industrial equipment (such as machine tools, printing machines, packaging machines), use a single line to calibrate the level, coaxiality, or mark the component installation reference.
Processing path guidelines: In conjunction with cutting, welding, cutting and other equipment, red line laser module can mark the processing trajectory (such as weld position and cutting boundary), replace manual marking to avoid positioning deviations.
Assembly positioning: When assembling parts (such as automotive parts and electronic equipment housings), a single line is projected as a butt alignment line to ensure assembly accuracy.
Detection and measurement assistance: In size inspection and appearance inspection, use a highly straight red alignment laser line to mark the detection reference line (such as the reference edge of flatness detection) to assist in determining whether the workpiece is qualified.

Advantageous Use of 635nm Red Laser Line Generator for Industrial Processing

What is an efficient job to make sure of ultra clear, fine and accurate line indication at different work distances? Some of workers and engineers would prefer to make use of a high energy density device, such as a 635nm red laser line generator. It applies a qualified import 635nm red laser diode and a glass coated lens with different fan angle inside a highly durable metal housing tube. After its proper connects with an external electric power source, not relying on any manual labor force input or prior line drawing work with traditional manual or mechanical line measuring works, the real use of a 635nm red line laser module always assures high precision, high fineness and highly straight red line indication onto all working surfaces conveniently.
The basic use of a 635nm red laser line generator should be working for a quite long time, thus it is a major part to maintain its reliable stability in continuous use. The industrial grade laser module applies a durable anodized aluminum alloy housing tube, which has good vibration resistance and temperature resistance. Cooperated with an inner metal heat sink cooling system, it obtains superior nice heat dissipation and thermal conductivity. During long time lasting continuous line positioning work, red laser beam output is stable, reducing the deviation of the marking line caused by equipment jitter or environmental changes.
Owing to its a bit shorter wavelength than 650nm or 660nm wavelength red laser, red laser line emitted from a 635nm red laser line generator has high contrast on the surface of industrial materials such as metal, wood, and cloth. Even in the complex light environments of the workshop, such as strong light and shadow, the human eyes can quickly and clearly identify the red reference line and reduce visual fatigue. According to basic measurement and experiment of desired line length, line fineness and work distance from beam aperture to targeting surface, this 635nm red line laser module enables correct choices of output power and optic lens fan angle. The straight red reference line has good linear quality and sharp edges, which can achieve millimeter-level or even higher precision benchmark marking, directly reduce the error of manual alignment, and improve processing consistency.
Comparing with traditional tools, such as tape measures and ink lines, no repeated measurement and calibration is required, and preparation time is shortened, 635nm red laser line generator is especially suitable for standardized operations in mass production. In various industrial precise machinery processing works, red laser line alignment work is compact and can be flexibly installed on various processing equipment (cutting machines, cutting beds, bending machines, etc.), and can adjust the line length and line width according to processing requirements to adapt to workpieces of different sizes.
In various industrial machinery processing works, 635nm red laser line generator can be used in precise positioning and marking works, such as pre-marking of cutting path during metal cutting, reference line for plate cutting during wood processing, alignment mark for cloth cutting, angle positioning for pipe bending, etc., which can provide intuitive visual guidance for processing operations. When alignment laser is operated with high power up to 50mW for longer distance and high lighting line measuring works, it is a major part to take active laser safety measures and wear correct laser safety goggles so as to achieve easy, secured and no track measurement for all working occasions effectively.

Comparison Between 650nm Gaussian and Non Gaussian Red Line Laser Module

What are the difference between Gaussian and non Gaussian red line laser module? The core difference between both lasers is mainly reflected in the line shape, energy distribution, and performance characteristics, and the specific applications are also different:
Major differences:
Line shape and energy distribution.
Gaussian beam red laser is Gaussian distributed, strong in the middle and weak at the edge, with the highest brightness in the center and gradually decay towards the edge, forming a bell shaped intensity curve. The edge of red laser line is softer and there is no obvious sharp edge. Non Gaussian 650nm red laser enables more uniform energy distribution, the line intensity is less different from the center to the edge, and it may even present a flat top or rectangular distribution, and the edge contour is clearer and regular.
Beam quality and divergence angle.
Gaussian beam 650nm red line laser module gets better beam quality, the divergence angle is relatively small, the straightness and focusing of red laser line are better. It is suitable for maintaining the line shape during long distance line projection work. Non-Gaussian light laser line generator achieves energy uniformity up to 85%, some red laser beam quality may be sacrificed, the beam divergence angle is slightly larger, and the uniformity advantages is more obvious when projecting at close range. It keeps work with high brightness red line projection, thus this type of uniform beam distributed red laser is especially applicable for longer distance line positioning works.
Anti-interference ability.
Gaussian light 650nm red line laser module enables central energy concentration, the beam visibility is higher in strong light environment or on dark materials, and the ability to resist ambient light interference is strong. Non Gaussian beam red laser projects uniform energy distribution stably in scenes requiring large-area, shadow-free markings, but the visibility may be slightly lower in strong light due to the overall brightness dispersion.
Application fields:
Typical applications of Gaussian beam 650nm red line laser module:
Precision line positioning and cutting: it can be used for precise line positioning work for clothing cutting, leather processing, PCB board cutting. Featured by high brightness in the center to form a clear positioning line on the material, red laser line alignment work is suitable for scenes that require “single-point precise alignment” (such as cutting edge marking, stitching trajectory guidance).
Long-distance marking: when it projects a highly straight and fine red horizontal/vertical line marking in woodworking machinery and construction (such as ceiling, wall paving), the red alignment laser line is not easy to diverge and blur when projected over a long distance.
Instrument calibration: Optical instruments and laser radar optical path calibration, using the high directionality of Gaussian beams to improve calibration accuracy.
Typical applications of Non Gaussian beam 650nm red line laser module:
Uniform marking of large areas: high uniformity red laser line is used for pattern positioning in textile printing and dyeing, large-format fabric splicing and alignment, uniform red reference line can avoid uneven marking depths caused by uneven energy.
Visual guidance and display: highly straight and uniform red line emitted laser line generator is used for material sorting guidance of industrial assembly lines (such as conveyor belt item positioning), stage lighting projection, uniform light bands have a more neat visual effect.
Special material processing: being used as an accessory part, 650nm red alignment laser is used for cutting or welding materials with high energy uniformity requirements (such as transparent films, thin plastics) to avoid material burns due to excessive central energy.
Conclusion:
Gaussian light 650nm red laser modules have the advantages of “high center brightness and precise focusing”, which are suitable for scenes requiring strong visibility and long-distance precise positioning; non-Gaussian red laser modules are characterized by “uniform energy and regular light spots”, which are more suitable for large-area marking or applications with high uniformity requirements. When choosing, you can make a comprehensive judgment based on material properties, working distance and positioning accuracy requirements.

What is The General Use of 685nm Red Line Laser Module?

Among all visible optical spectrum, the wavelength of 685nm belongs to the red visible light range, thus the finished product of a red line laser module has good visual effects. Usually human eyes are more sensitive to it and can see the laser line clearly from beam aperture. At the same time, owing to its small laser beam divergence angle, after advanced use of an import laser diode and a qualified optic lens with wide fan angles inside a durable housing tube, it always enables easy installation and integration with industrial device or equipment, and easy reaching and highly precise red line generation onto various working surfaces conveniently.

Based on the use of a qualified import 685nm red laser diode within 5mW to 100mW, the power has just determined the brightness and propagation distance of the laser line. After its easy connects with 5V, 9V 1000mA AC/DC adapter, not spending extra time on alkaline battery power source, it is able to make continuous and long distance projected red line alignment. Low power laser are used for close range line indication, such as indoor positioning and marking, while high power red laser line generator up to 50mW to 100mW can be used in outdoor or long distance scenes, but attention should be paid to the safety protection of human eyes and the surrounding environments.

Being made with a qualified glass coated lens or separate crystal lens(Powell lens), this 685nm red line laser module is generating high transmittance and high energy density red laser beam at long extending distance, and converting into ultra high fineness red line with freely adjusted line width between 0.1mm and several millimeters. Narrower line widths can provide higher accuracy and are suitable for occasions that require precise line measurement and positioning, and wider red line widths can increasing visibility and are suitable for scenes with higher requirements for visual effects.

Cooperated with APC, ACC driving circuit board, 685nm red line laser module gets high beam stability and can maintain the consistency of the power and wavelength of the laser output during long time line generation work. This is very important of applications that require precise line measurement and stable marking, ensuring the accuracy of the measurement results and the continuity of the marking.

Applications:

Industrial measurement: In industrial production, 685nm red line laser module is often used for measuring length and distance and positioning and calibration of objects. For example, in the process of automobile manufacturing, red reference line can be used for positioning the body assembly to ensure that the installation position of each component is accurate. In mechanical processing, it can provide accurate processing benchmarks for tools to ensure processing accuracy.

Laser marking: In construction, 685nm red laser line generator can be used for line marking walls and floors to help construction workers ensure the straightness and horizontality of construction. In road construction, it can provide precise red reference line guidance for road markings so as to make the markings more neat and standardized.

Stage performances: In stage lighting effects, red reference line can produce unique visual effects, and with music and dance, it creates a creative and artistic atmosphere. In theme park performances, it is also often used to create fantasy scenes and enhance the audience’s visual experience.

Education and scientific research: In school physics experiments, 685nm red line laser module can be used for experiments such as light reflection and refraction to help students intuitively understand optical principles. In the field of scientific research, it can be used as a basic optical tool for the research and development of optical devices.

What are Applications and Advantages of 650nm Red Line Laser Module?

When advanced 650nm red laser diode is applied for the creation of a genuine line measuring tool, it is cooperated with qualified optic lens inside a high duration housing tube, and manufacturing into a quite practically used device of a 650nm red line laser module. It makes good use of thermal emitting system and constant electric power source supply inside its highly durable metal housing tube. In various industrial and high tech precise line positioning work fields, either it is used for long time or long distance, this accessory part of a laser line generator always makes sure of good direction, long time lasting and high precision red line indication for multiple raw material processing works constantly.

The usual line projection work with a 650nm red line laser module is always continuing for a quite long time, thus it is a key point to maintain its stable and reliable line projection from beam aperture. It applies an import laser diode inside a durable anodized aluminum alloy housing tube. Owing to its selected output power of 5mW to 100mW and high power range of 150mW to 500mW, it has been made with different dimension metal housing tube. When laser line generator gets superior nice thermal emitting, it can easily get ultra clear and stable red line alignment within constant work time of 10 hours per day, and reduced possibility of laser light decay or dim in proper use.

The straight line emitted red line laser module is widely used in the industrial field, mainly including the following aspects:

Precision machining positioning: In mechanical processing, such as milling machines, lathes and other equipment, it provides accurate red reference lines for the positioning of tools or workpieces so as to ensure the accuracy of the processing position and improve the processing accuracy.

Electronic manufacturing: In circuit board production, red reference line is used to locate drilling, patch and other processes to ensure the accuracy of the installation position of electronic components and improve production efficiency and product quality.

Logistics and warehousing: In the automated logistics system, it provides precise red line positioning marks for the transmission, sorting and stacking of goods, guides robots or mechanical arms to operate accurately, and improves the degree of logistics automation and accuracy.

What are advantages of 650nm red line laser module is industrial mechanical processing field?

High precision: It can provide accurate red positioning reference, high line width accuracy, and can control the positioning error within a very small range, meeting the high-precision requirements of industrial production. Adjustable focus optic lens can easily assure highly concentrated red laser light emission and efficient conversion of increasing brightness and fineness red line alignment in longer distance and higher lighting occasion as well.

High reliability: It adopts high-quality optical components and stable drive circuits, which can work stably for a long time in harsh industrial environments, reduce maintenance costs, and improve production efficiency. APC, ACC driving circuit board ensures constant red laser output, long lifetime and long time lasting red line alignment.

Non-contact measurement: Positioning and measuring in a non-contact manner will not cause damage to the object being measured. It is suitable for objects of various materials and shapes and has a wide range of applicability, and still maintains steady process of various raw material surfaces.

How Can 635nm Red Line Laser Module Work on Cloth Drawing Machine?

Among all types of line positioning and line collimation works, featured by a highly clear and straight red reference line projection, the genuine use of a 635nm red line laser module is providing a straight positioning line to ensure that the edges of the cloth are neat during the cloth drawing process. It also provide an accurate benchmark for subsequent cutting and other processes. Owing to its highly visible and bright red laser beam emission, only after its quite easy installation and operation, this laser line generator is always working well as a good accessory part, and making sure of high efficiency processing of all garment cloths effectively.
This 635nm red line laser module is applying an AC/DC adapter as its electric power source, thus there is no need to spend extra time on battery change work. Being made with a qualified glass coated lens within wide fan angles of 10 to 110 degree, it is projecting a highly straight and fine red reference line within 0.5 meter to 6 meters length in use. It gets quite low laser beam divergence of less than 1mrad and special tem00 laser beam mode, either it is pointing at close or long distance, this red laser line generator is able to make ultra clear and fine red line indication within long extending distance of 25 meters and multiple lighting occasions as well.
Among all selected line measuring works, this 635nm red line laser module gets featured advantage of a high straightness red line projection from beam aperture. It can reach less than 1mm line fineness within long extending distance of 6 meters from beam aperture to targeting surface. It is able to provide a straight positioning line to ensure that the edges of the cloth are neat during the cloth drawing process, and provide an accurate benchmark for subsequent cutting and other processes.
According to the real need of desired line length, line fineness and work distance, this 635nm red line laser module should be selected with correct output power and optic lens fan angle. According to real line measurement, it should be selected with correct output power and optic lens fan angle. Red reference line allows freely adjusted laser line fineness and line emitting direction, after its operation with a garment drawing machine, this red laser line generator can cover a large working area, and meet the cloth drawing needs of fabrics of different sizes.
Featured by its design of APC, ACC driving circuit board, this 635nm red line laser module within 5mW to 100mW is keeping work with long time lasting and long distance extending red line projection for all garment processing works, which also achieves long serving lifetime of more than 8,000 hours in proper use. Owing to its high laser beam stability and high reliability, this alignment laser has just reduced downtime and maintenance cost caused by equipment failure. It can make high security and high convenient processing of all garment cloths, and improve work efficiency and production quality greatly.

Economy Red Line Laser Alignment Used for Textile Garment Processing

When line indicating work is processing for special textile processing work fields, an Economy red line laser alignment is widely used for multiple garment making, design fields. It emits highly straight and bright red reference line from beam aperture. Any time it is cooperating with an inner thermal emitting system and qualified optic lens with different fan angles inside a durable metal housing tube, this direct diode emission made 650nm red laser module is able to make ultra clear, fine and clear guideline indication for various garment processing work fields effectively.

Unlike the use of any other visible laser devices, this economy red line laser alignment just emits moderate brightness red laser beam from an inner 650nm red laser diode within 5mW to 100mW. It is applying an AC/DC adapter as its electric power source, after correct connects with 5V, 9V 1000mA DC power supply, it is always able to project extremely high straightness red reference line. In practical textile garment processing work fields, this red laser line is used as an a guideline for laser cutting, sewing machine, printing, which is able to ensure accurate product size and high pattern alignment result.
Users might think why economy red line laser alignment can be used for garment processing works. Not as bright as a 532nm green DPSS laser, red laser still gets good visibility in the most textile environments. Even in dim light or dark fabric colors, the laser line can be clearly displaying, which is bringing users great convenience to operate and observe, and reduce the defective rate caused by inaccurate positioning works.
Besides the basic use of an import 650nm red laser diode and metal heat sink cooling system, this economy red line laser alignment also gets built-in improved electric driving circuit board, which can effectively ensure the laser beam stability and serving lifetime of the product in various working environments. For instance, it can be used in textile workshop. This red laser line generator is providing a long time lasting and ultra fine red reference line indication, which can greatly reduced production interruptions caused by equipment failures.
On consideration of easy and convenient use in various textile garment processing works, this economy red line laser alignment also compact size structure design of 16mm and 26mm diameter. There is also special mounting bracket and power supply. It can be installed flexibly onto any other textile equipment, such as cutting tables, sewing machines, and printing machines. It is simple to operate and can work as soon as it is powered on, without the need for complicated debugging. According to freely adjusted laser line fineness and red line projecting direction, this 650nm red laser line generator always makes no mistake measurement and processing of various garment cloths.

How Can Economy Red Line Laser Alignment Work In Distance?

In order to achieve precise and bright enough line indication at various work distances, not able to rely on manual labor force input, it should be a quite nice solution for users to operate a moderate brightness beam emitting tool of an Economy red line laser alignment. It is emitting similar red laser beam as a laser pointer, however, it is required to make long time lasting and ultra fine red reference line projection at various work distances. When ultra compact size tube made laser line generator is installed onto industrial device or equipment, it brings users a good direction and high precision red line indication for a lot of raw material processing works conveniently.
This economy red line laser alignment applies an import 650nm red laser diode within 5mW to 100mW as its beam emitting source. It is not as bright as a 635nm red laser with the same output power. Among all visible laser devices, it only projects moderate brightness red laser light source from beam aperture, however, owing to its long developing history and mass production, this finished production of a laser line generator is not only getting quite low production cost, but also achieving ultra stable and reliable red reference line projection within constant work time of 10 hours per day. It also gets no effect by overheating and over current impact as well.
Usually economy red line laser alignment applies different type of optic lens, such as a glass coated lens or separate crystal lens within wide fan angles of 10 to 110 degree. It is applied for various industrial and high tech precise line positioning work fields. Only after its easy connects with 5V, 9V 1000mA DC power supply, it keeps work with high quality and high density red laser light emission. It gets good collimation and alignment results for all raw material processing works. In practical precise line positioning work fields, after correct use of output power and optic lens fan angle, this red laser line generator is making ultra clear line indication for laser cutting machine, textile garment line positioning, military targeting, laser medical therapy, and high tech work etc.
Available with ultra compact size and highly durable metal housing tube design, after its proper installation onto other industrial device or equipment, this accessory part of an economy red line laser alignment enables quite easy reaching and no barrier red line indication onto any raw material surface. It assures high precision and high stability line measurement for various industrial and high tech fields. Further more, when alignment laser is operating with proper wearing of laser safety goggles, after avoiding eye exposure to beam aperture, it just makes easy, free and secured measurement for all application fields conveniently.