When highly precise and fine line indication is in serious need for apparel cutting and processing works, not able to rely on any prior line drawing or printing work, it would be a quite efficient job to apply a highly bright light emitted tool of a TTL modulation 532nm green line laser alignment. Usually it gets the special use of TTL high speed modulation and adjustable focus optic lens. Basically it applies a middle wavelength of 532nm green DPSS laser system, equipped with a qualified optic lens with different fan angles inside a high duration metal housing tube. When TTL modulation laser line generator gets correct use of output power and optic lens fan angle, and proper installation onto garment cutting machine or device, it enables easy reaching, highly precise and no physical contact line indication for all garment processing works constantly.
Compared to a formally used DC power supply, the TTL modulation green line laser alignment offers high visibility across various textile fabrics and supports TTL signal synchronization, allowing it to integrate with automated cutting systems. It enables the laser to switch on and off automatically in coordination with cutting system program, which is ideal for fully automated, computer-controlled cutting machines. When TTL modulation green laser module applies the advanced 532nm green DPSS laser tech within 5mW to 100mW output power, equipped with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, it achieves superior nice heat dissipation and increasing stability green reference line projection as long as 24 hours. Basically it bears wide operating temperature fluctuation, resistant to mechanical shaking or calibration, and achieves industrial grade stability in long term measuring work.
When TTL modulation 532nm green line laser alignment applies a qualified glass coated lens or Powell lens within 10 to 110 degree fan angles, it projects a fine, straight green reference line within 0.5 meter to 6 meters lengths, serving as a guide for alignment during fabric spreading and cutting processes. It replaces traditional manual marking or string-alignment methods. Cooperated with adjustable focus optic lens, after quite easy screw of the beam aperture part, this TTL modulation laser line generator enables precise control over the thickness of the laser line, providing an intuitive and accurate reference for fabric spreading, pattern positioning, and template alignment.
Featured by high contrast green light emission on fabrics, even on dark, patterned, or reflective fabrics, TTL modulation green line laser alignment ensures the line remains clear under workshop lighting and distinct from fabric prints. It keeps work with minimal thermal drift, ensuring the reference line remains stable during periods of uninterrupted operation, perfect for high-volume, continuous cutting tasks in garment factories. When green alignment laser makes proper installation or integration into textile garment processing device, it leaves no marks, traces, or scratches on the fabric, ensuring high precision alignment during fabric spreading for automated cutting, positioning of fabric patterns and templates, marking for denim or home textile cutting, and providing alignment guidance at sewing workstations etc.
Tag: alignment laser
TTL Modulation 532nm Green Laser Diode Module For Industrial Precision Positioning
Any time highly precise and clear dot indication is in serious need for industrial precision positioning and machining processing works, not simply relying on a simple laser pointer or manual dot projecting work, it would become a much better solution for engineers and workers to apply a high brightness light emitted tool of a TTL modulation 532nm green laser diode module. It is specially designed for for industrial precision alignment and point-based positioning in machine tool processing, projecting a highly accurate and visible green reference dot. After its correct use of output power and supported operating voltage electric power source, this TTL modulation green dot laser provides a fixed reference point for processes such as metal cutting, drilling, milling, CNC machining, and sheet material blanking, assisting with equipment alignment, workpiece positioning, and the calibration of machining zero points.
TTL modulation 532nm green laser diode module supports TTL pulse modulation, allowing for synchronization with machine tool control systems, PLCs, or assembly line signals for automated start/stop and alignment. It is well suited for synchronized operation with automated machine tools and meets the spot precision requirements across varying machining ranges. Employed by the advanced 532nm green DPSS laser tech within 5mW to 100mW output power, metal heat sink cooling system inside a high duration anodized aluminum alloy housing tube with different tube diameter, this TTL modulation 532nm green dot laser just achieves superior nice heat dissipation, increasing stability and brightness green light and green reference dot projection as long as 24 hours, with no light decay or blur in continuous use.
When TTL modulation green laser diode module applies a qualified glass coated lens and adjustable focus optic lens, after its immediate green light concentrated, it is converted into an increasing brightness and accuracy green reference dot projection at a long extending distances. In workshops with bright lighting or highly reflective metal surfaces, green light offers superior visibility compared to red light, ensuring the positioning dot remains clear, steady, and easy to track. It is applied for various industrial environments. The TTL modulation 532nm green dot laser produces concentrated green light, and converts into a sharp-edged green dot without blurred borders or stray light. In process of long operating time lasted dot positioning work, it keeps work with stable thermal control and minimal thermal drift, the laser dot remains fixed even during extended, continuous operation.
According to the adoption of a laser alignment mounting bracket, TTL modulation laser diode module enables quite easy installation or integration into various machining heads, frames, or fixtures, offering high compatibility with low retrofitting costs. After correct use of output power and freely adjusted laser beam focus, green alignment laser ensures a precise, compact dot positioning for multiple fields, covering CNC machine tool alignment, precision drilling, metal profile cutting, woodworking and stone processing machinery etc. When users are taking active laser safety measure and wearing correct laser safety glasses, it just enables easy, secured and no mistake measurement for all application fields effectively.
TTL Modulation 405nm Violet Laser Line Generator for Woodworking Processing
Instead of the adoption of any prior line drawing or printing work, either precise line positioning works is processing at close or long distance, and other multiple lighting occasion, engineers and professionals always prefer to apply a high density light emitted tool of a TTL modulation 405nm violet laser line generator. It applies an import 405nm violet laser diode and a qualified optic lens inside a high duration metal hosing tube. Featured by TTL digital modulation and adjustable focus optic lens designs, it projects a straight, fine and clearly visible violet reference line with various line lengths. On condition that TTL modulation laser line generator gets proper integration into a laser cutting machine, CNC equipment, it enables easy reaching, noncontact and high precision violet reference line projection for a lot of wood processing works effectively and conveniently.
When TTL modulation 405nm violet laser line generator applies an import 405nm violet laser diode within 50mW to 100mW as its beam emitting source, on consideration of its good industrial grade stability in continuous use, it is equipped with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube. It applies a ultra compact size tube diameter of 16mm, 18.9mm and 26mm, which gets sufficient space leaving for tube heat dissipation, and achieves ultra clear and stable violet reference line projection as long as 24 hours. This TTL modulation laser line generator is designed for long term, continuous operation with minimal temperature rise, no beam drift, and no line displacement, meeting the demands of high-frequency, high-volume industrial manufacturing.
Equipped with a qualified glass coated lens and adjustable focus optic lens, the usual use of a TTL modulation violet laser line generator generates high linear quality and highly straight violet reference line within 0.5 meter to 6 meters length. After its freely adjusted violet laser line thickness, it maintains a fine, accurate line at close range and remains focused without diverging over long distances, offering excellent versatility across various installation heights. The short wavelength of 405nm has just assured high contrast violet light for superior visibility. This TTL modulation laser line generator produces clear, glare-free, and reflection free images on dark wood grain, and rough surfaces. It offers high contrast than red or green lines, ensuring better visibility in workshop environments.
Supported by a built-in APC, ACC driving circuit board, available with wide range output power of 50mW to 100mW, TTL modulation laser line generator keeps work with constant violet light source generation, and long operating time lasted violet line projection and long lifetime of more than 8,000 hours. It bears any temperature fluctuation, resistant to shaking or calibration. When violet alignment laser gets proper installation or integration into CNC equipment, wood cutting machine or device, it enables high precision, good direction and no physical line indication for woodworking cutting works, such as CNC panel saws, sliding table saws, and beam saws to assist in cutting large panels, trimming straight edges, aligning miter cuts, and positioning parts for batch processing.
Application Advantages of 850nm Infrared Cross Line Laser Module
When precise cross line measuring work is processing for various night vision illumination fields, not able to rely on any visible laser or manual cross line drawing work, it makes a better job to apply a 850nm wavelength made device of an infrared cross line laser module. It emits invisible and intense infrared light source directly from an import 850nm infrared laser diode. On condition that it gets constant electric power source supply, equipped with built-in metal heat sink cooling system and built-in APC, ACC driving circuit board, this direct diode emission made 850nm infrared cross laser enables increasing laser beam stability, ultra long operating time lasted infrared light and IR vertical and horizontal lines generation onto multiple working surfaces constantly and conveniently.
The use of a 850nm infrared cross line laser module adopts an import 850nm infrared laser diode within 5mW to 500mW, which emits invisible near infrared laser light at long extending distance. Mainstream industrial infrared CMOS/CCD sensors are highly responsive to the 850nm wavelength, producing clear cross-line images with a high signal-to-noise ratio, making it easier for vision algorithms to detect the central intersection point. When 850nm infrared cross laser applies a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, designed with 16mm, 18.9mm and 26mm diameter, it achieves superior nice heat dissipation, bears wide range operating temperature fluctuation, resist mechanical shaking or calibration as well.
When 850nm infrared cross line laser module applies a qualified glass coated lens and adjustable focus optic lens, cooperated with a series of laser beam stability test and aging preventing test up to 24 hours, it achieves high level of laser light cycling use, ultra clear, fine and straight two perpendicular infrared lines with accurate 90 degrees and different dimensions. The horizontal and vertical lines provide references in both X and Y directions simultaneously, with the intersection serving as the positioning origin. Compared to single-line or dot lasers, this enables one-step 2D alignment, significantly boosting calibration efficiency. When 850nm infrared cross laser emits invisible IR light, it causes no glare to disturb operators and creates no visible light reflections on workpiece surfaces, making it suitable for continuous operation scenarios.
Configured with built-in APC, ACC driving circuit board, 850nm infrared cross line laser module keeps work with constant infrared light and IR cross line projection, and long serving lifetime of more than 8,000 hours. It exhibits low thermal drift and minimal deformation during prolonged operation, ensuring consistent positioning repeatability. When infrared alignment laser is integrated into vision inspection equipment, robotic arms, and optical platforms, it brings users excellent cross line measurement in multiple fields, including machine vision alignment and calibration, workpiece positioning for automated equipment, and 3D vision system calibration. When laser users are obeying the basic laser safety measure and wearing proper laser safety goggles, it just brings users high security and high precision measurement in all night vision fields effectively.
TTL Modulation 515nm Green Laser Diode Module For Medical Positioning Assistance
What makes a good job for engineers and professionals to make clear and accurate dot indication for medical positioning assistance? It is not able to rely on any prior dot positioning work with a simple laser pointer or sticker, but making an even better job to apply a high energy density device of a 515nm green laser diode module. Basically it gets constant power source supply and special use of cooling system inside a different dimension metal housing tube. Whenever ultra compact size tube made 515nm green dot laser gets proper use of output power and equipped operating voltage, it enables easy reaching, noncontact and no track green reference dot projection onto different working surfaces constantly and conveniently.
The genuine dot generation work with a TTL modulation 515nm green laser diode module gets constant power source from a TTL high speed modulation power source. Employed by an import 515nm green laser diode within 5mW to 50mW, it supports high-speed pulsed, intermittent emission to prevent thermal burns to human tissue caused by continuous laser output. This 515nm green dot laser enables synchronized triggering with surgical instruments and cameras for on-demand illumination, enhancing safety. When it makes good use of a metal heat sink cooling system inside a high duration anodized aluminum alloy housing tube with different dimensions, it just achieves superior nice heat dissipation and increasing stability green light and green reference dot projection in long term use.
When TTL modulation 515nm green laser diode module gets special use of a qualified glass coated lens and adjustable focus optic lens design in front of the beam aperture, after its immediate green light source concentration, it is converting into an increasing accuracy and brightness green referenced dot at a greater distance and multiple ambient lighting occasions as well. The visible green light is clear, allowing surgeons to quickly identify positioning points with the naked eye; less irritating than short-wavelength blue light, making it ideal for close-range positioning on the body surface. Furthermore, when 515nm green dot laser gets special design of adjustable focus, it produces a tightly focused, small light spot for precise marking, significantly reducing the risk of deviation during puncture or minimally invasive procedures.
Whatever output power it is selected, TTL modulation laser diode module gets specially designed APC, ACC driving circuit board. It enables constant green light and green reference dot projection, unaffected by overheating and over current impact. When laser turns off during non-operational periods, it is reducing aging caused by prolonged illumination. The green alignment laser dot remains stable without drift during long term continuous use. When it makes quite easy integration with medical device, such as various diagnostic and therapeutic instruments, green reference dot can easily reaching any working surface, including positioning for minimally invasive surgical instruments, alignment for rehabilitation and physiotherapy equipment, calibration for medical imaging equipment, and positioning for laboratory biological testing etc.
Fine Work of 515nm Green Cross Line Laser Module on Textile Cutting Tables
What makes garment and textile processing work a good job to get clear and fine cross line positioning on garment cutting tables? Not simply relying on prior cross line drawing or printing work, either pointing at close or long distance, it always makes a good job to apply a 515nm green cross line laser module. Different from a formally used 532nm green DPSS laser system, when it keeps work with intense and bright green light emission from an import 515nm semiconductor laser diode and a qualified glass coated lens with different fan angles, it emits high linear quality and highly straight green vertical and horizontal lines with different dimensions. When green cross laser alignment gets constant power source supply and proper integration into garment cutting tables, it allows for easy reaching, quick response and highly precise green cross line generation onto various light colored cloths and garments.
Usually 515nm green cross line laser module generates highly sensitive color and excellent visibility green light to the human eye. The 515nm green light offers far superior visibility on light-colored and white fabrics compared to red light; the lines remain clear even in bright factory environments or under sunlight and are not obscured by light-colored fabrics. Even though it gets wide range output power of 5mW to 50mW and higher power up to 100mW to 200mW, green cross laser alignment is equipped with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube with different dimension. It achieves superior nice heat dissipation and increasing stability green light emission. Usually it allows for long operating time lasted green cross line projection within 24 hours, which is working perfectly with other garment cutting stables.
Being made with a qualified glass coated lens with 10, 15 and 110 degree fan angles, 515nm green cross line laser module is also equipped with adjustable focus optic lens. A single projection provides both horizontal and vertical green references simultaneously. Compared to single-line lasers, this doubles the speed of layout alignment and significantly reduces the time required for material setup and machine adjustment. The green cross lines are fine and straight, with a tightly focused intersection point that does not scatter, this eliminates visual errors caused by thick lines, resulting in minimal dimensional deviation during cutting. The 515nm green cross laser alignment exhibits low light degradation during prolonged, continuous garment cutting operations, line positioning remains stable without shifting due to heat generation, ensuring consistent dimensions across the entire batch of garments.
With the assistance of a laser alignment mounting bracket, 515nm green cross line laser module always allows quite easy installation, designed for easy integration with automated cutting tables. It is ideal for retrofitting fully automated CNC cutting tables. It always features a dust proof and shock resistant housing capable of withstanding fabric debris and minor equipment vibrations, ensuring low failure rates during long-term use. When green alignment laser makes proper use of output power and optic lens fan angle, it brings garment makers and designer a lot of convenience in multiple fields, covering reference positioning for cut pieces, alignment multi-layer cutting, calibration for high volume layouts, pre positioning for embroidery and printing work etc.
Reference Dot of 515nm Green Laser Diode Module in Interference Experiments
Whenever users are trying to make ultra clear and precise dot indication for special work field of interference experiments, not able to rely on a simple green laser pointer or other manual dot projecting tool, it would be a much better solution for engineers or professionals to apply a highly bright light emitted tool of a 515nm green laser diode module. It applies the advanced 515nm green laser diode and a qualified optic lens inside a high duration metal housing tube, equipped with constant electric power source supply. On condition that direct diode emission made 515nm green dot laser alignment gets proper installation or integration into any optical experiment used machine or device, it achieves easy reaching, no physical contact and no mistake dot indication for all precise positioning works.
Green light emitted from a 515nm green laser diode module gets high visual sensitivity to the human eye, which is also intuitive and efficient adjustment. The 515nm wavelength falls within the peak range of the human eye’s luminosity function. Compared to red light, the green reference dot is more easily discernible under standard laboratory lighting, allowing for rapid visual assessment of center-point alignment without the need for additional instruments. Usually green dot laser alignment gets proper use of a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, available with different dimension of 16mm, 18.9mm and 26mm diameter design, it achieves superior nice heat dissipation and increasing stability green light and green reference dot projection in long term use, without light decay or blur under temperature fluctuation or other harsh workshop environment as well.
This glass coated lens 515nm green laser diode module keeps work with high beam stability with minimal refence positioning error. The green laser dot is highly circular with concentrated energy and minimal stray light, featuring a single, distinct central point, it significantly reduces coaxial alignment errors and directly enhances the clarity and contrast of interference fringes. When it projects highly precise and clear green reference dot at a long extending distance, green dot laser alignment is also resistant to thermal drift during long-term operation, maintains superior reference stability. As a semiconductor laser directly emitting green light at 515nm, it lacks the frequency-doubling crystal structure found in 532nm lasers. Consequently, heat generated during prolonged operation causes no wavelength or beam spot drift, ensuring the reference point remains stable during extended data acquisition in interference experiments.
Visible green light emitted from a 515nm green laser diode module does not interfere with signal acquisition, which avoids signal crosstalk with infrared coherent sources or the detection bands of photoelectric sensors, ensuring the integrity of raw interference data. Sometimes it is designed with TTL modulation power supply, it is also suitable for dynamic experiments, enables rapid switching and pulsed output of the laser spot. When paired with high-speed cameras to capture transient interference patterns, green alignment laser meets the requirements for observing instantaneous interference phenomena such as those caused by shock or vibration. It also provides professionals excellent green light source from initial reference positioning for interference system, locking the center point of interference fringes, coaxial alignment of coherent beams, optical path restoration after disassembly/reassembly etc.
Excellent Visibility 445nm Blue Cross Laser Alignment in Precision Machining
What makes a good job for engineers and professionals to make clear and precise cross line projection in precision machining fields? Either it is pointing at close or long distance, engineers prefer to apply a highly intense light emitted tool of a 445nm blue cross laser alignment. Cooperated with an import 445nm blue laser diode and a qualified optic lens inside a high durable metal housing tube, together with constant electric power source supply and proper use of thermal emitting system inside a different dimension metal housing tube, it allows for constant blue light and blue cross line generation from the beam aperture. When blue laser module gets proper installation or integration with precision machining device, it brings users easy reaching, good direction and high precision measurement and indication for multiple fields constantly.
Basically 445nm blue cross laser alignment adopts an AC/DC adapter, accepting wide range electric current of 100V to 240V, which is applicable for multiple countries and regions. It applies an import 445nm blue laser diode within 50mW to 200mW output power, maintains excellent beam visibility on highly reflective metals. Compared to red light, blue light is absorbed more effectively by highly reflective materials like stainless steel, aluminum alloys, and copper, resulting in clear, sharp blue cross-lines without glare or blurred edges. When cross line laser module gets special design of cooling system inside a different dimension metal housing tube, it also gets larger space leaving for heat dissipation and achieves increasing stability blue cross line generation stably and constantly.
In practical precise cross line generation works, 445nm blue cross laser alignment gets strong interference resistance to bright workshops. It delivers high-contrast imaging even amidst ambient light from overhead factory lamps or intense welding glare, ensuring the marking line remains visible during the day without the need for light shielding. Owing to highly straight and fine blue cross line generation, it also ensures high orthogonality accuracy, features minimal angular error between horizontal and vertical lines and maintains stability over long-term operation, ensuring right-angle machining precision and reducing scrap rates.
Equipped with integrated heat dissipation structure and APC, ACC driving circuit board, 445nm blue cross laser alignment always supports 24 hours continuous operation within minimal thermal drift, preventing issues where the marking line might gradually shift. Without spending extra time on manual marking and setup measurements, blue alignment laser is easy to retrofit or upgrade various types of CNC equipment. In mass production fields, it is widely used for multiple fields, covering machining origin positioning, perpendicularity and right angle calibration, multiple process alignment reference, and center alignment for irregular workpiece, and automated fixture positioning fields etc.
High Visibility 532nm Green Cross Line Laser Module in Construction Work
Whatever kind of working surface users are trying to make ultra clear, fine and precise cross line generation in construction, renovation and surveying fields, not workable at all to rely on any manual or mechanical cross line drawing tools, it would become a much better solution for workers and engineers to apply a high sensitivity light emitted tool of a 532nm green cross line laser module. 532nm green light falls within the peak human visual sensitivity, thus it ensures high visibility in both daylight and bright light. The projected green lines from a green cross laser alignment remain clearly visible even in natural daylight near windows or under intense construction site lighting, making it far superior to red lasers for daytime work in unshaded environments.
Usually 532nm green cross line laser module adopts an AC/DC adapter, accepting wide range electric current of 100V to 240V, ensures constant green light and green cross line projection from the beam aperture. It always enables noncontact operation onto any working surface. When it applies the advanced 532nm green DPSS laser tech within 5mW to 100mW and 150mW to 200mW output power, equipped with a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube, it gets sufficient space leaving for tube heat dissipation and achieves increasing stability and brightness green vertical and horizontal lines generation within long operating time of 10 hours per day.
532nm green cross line laser module applies a qualified glass coated lens with 10, 15 and 110 degree fan angles, equipped with low laser beam divergence and adjustable focus optic lens, it always generates ultra high fineness green cross line source in use. For instance, it gets super fine line of 0.3mm at 10cm, and 1mm to 2mm fineness at 2 meters work distance. Whatever kind of working surface it is pointing, 532nm green cross line laser module keeps work with non contact operation. It enables noncontact optical projection, leaves no ink marks or scratches, and does not stain painted walls or finished floor tiles; there is no need to clean up layout marks after the job is done.
Not affected by dust, vibration, 532nm green cross line laser module is capable of withstanding construction site dust and moisture. It maintains reference accuracy during prolonged, continuous operation, offering superior stability compared to basic red-light modules. It can be integrated into a laser level or mounted independently on a bracket. With adjustable focus, it is suitable for everything from close-range precision interior work to long-range exterior wall construction, and it is easy to operate. When green alignment laser makes proper installation, it brings users great convenience for wall layout and marking, tile and flooring positioning, suspended ceiling and furring channel installation, and large scale commercial and industrial surveying etc.
Application of 532nm Green Cross Laser Alignment in CNC Machining
What makes a good job for engineers and workers to make ultra clear and precise cross line measurement in CNC machining fields? Not limited by work distance, height and other complex working environments, it becomes a major trend for them to apply a highly bright light emitted tool of a 532nm green cross laser alignment. It projects sensitive color and the most easily absorbed green light from a middle wavelength of 532nm green DPSS laser system. Together with its low laser beam divergence and special TEM00 laser beam mode, either it is pointing at close or long distance, 532nm green laser module always performs well with high fineness, high brightness and high accuracy green vertical and horizontal lines generation for all mechanical processing works effectively.
Compared to red laser, 532nm green cross laser alignment always keeps work with superior visibility in high intensity lighting occasion. The 532nm green wavelength falls within the peak sensitivity range of the human eye. Even under the high-power lighting typical of machine shops, the green cross-lines remain distinct. They offer excellent contrast on dark metals and blackened steel surfaces, resisting washout from ambient light. In process of long operating time lasted cross line generation, 532nm green laser module adopts a metal heat sink cooling system inside a durable anodized aluminum alloy housing tube with different dimension. It is achieving superior nice heat dissipation and high level of laser beam stability. It is also resistant to vibration, cutting fluid mist, and workshop dust, supporting continuous 24 hours operation within long term positioning stability.
Supported by 5V, 9V, 12V 1000mA AC/DC adapter, accepting wide range electric current of 100V to 240V, 532nm green cross laser alignment is applicable for various workshop environments, enables easy integration into machine tool control systems. Being made with a qualified glass coated lens and glass window in front of the beam aperture, it is projecting a horizontal and a vertical line simultaneously, the 532nm green laser module enables center positioning and perpendicularity checks in a single step. This eliminates the need for separate adjustments required by single-line lasers, effectively boosting efficiency during CNC production changeovers. Featured by high precision positioning with fine line alignment, it also produces a narrow line with excellent straightness and minimal reference error, meeting micron-level pre-positioning requirements for precision molds and custom parts while reducing human error associated with manual alignment.
Whatever kind of working surface it is pointing, 532nm green cross laser alignment makes noncontact positioning preserves workpiece surface integrity. Pure optical projection prevents scratches on finished surfaces, such as aluminum, stainless steel, or polished molds, eliminating the need for remedial grinding or polishing and ensuring a high-quality surface finish. Featured by compact size and sealed metal housing tube design, green alignment laser allows for either external mounting next to the machine spindle or embedded integration. It can bring engineers excellent cross line solutions for multiple application fields, covering workpiece origin alignment and positioning, pre alignment of plate profiles, fixture calibration and long distance positioning for heave workpieces etc.