Devices involving relative movement between laser beam and workpiece (B23K26/08)

ethod of single-crystal growth and device for its implementation // 2638850
FIELD: technological processes.SUBSTANCE: method of single-crystal growth comprises supplying directed flow of gas-powder mixture from a device nozzle on a substrate with simultaneous melting of powder material of the gas-powder mixture on the substrate by a laser beam and moving the nozzle relative to the substrate, wherein in the process of welding the nozzle is moved relative to the substrate with a crystalliser with simultaneous lifting and the direction of its inclination angle or position in space is changed in such a way that infinitely continuous growth of single-crystal and predetermined change in its growth direction are carried out, wherein the process is carred out at the flow speed of the gas-powder mixture of 1-50 g/min, the linear speed of the laser beam movement of 0.1-50 mm/s, the laser radiation power of 0.5-10 kW and the nozzle displacement speed relative to the substrate of 0.001-30 m/s. The method is carried out in the device containing a laser unit, a nozzle 1 with an inlet branch pipe for supplying the gas-powder mixture 6 onto the substrate 4 and a fibre cable connected to the laser unit for transportation of the laser beam 7, a table 3 for positioning the substrate 4, a driving system for mutual displacement of the nozzle body relative to the table surface with the substrate 4. The device is provided with a crystalliser 2 located below the outlet of the nozzle 1 and representing a water-cooled branch pipe with at least one offset connected to the surface of the substrate.EFFECT: obtaining single-crystal products or products with directed crystals in the structure without size limitation, with a given orientation and form of a single-crystal.2 cl, 1 dwg

ethod of vibrational welding // 2638488
FIELD: electricity.SUBSTANCE: energy source (13) for welding made with the possibility of pulsed laser radiation, and an element (10) for welding material supply made with the possibility to supply material in the form of powder are moved along the welding direction oscillatory in a vertical (16) direction relative to the welding surface (5) of a substrate (4) and/or in a horizontal (19) direction across the welding direction with the provision of permanent change in the melt solidification front in the weld, while oscillatory movements of the mentioned source (13) and the supply element (10) are made in the form of a zigzag movement, movement, movement in the form of a meander or sinusoidal movement.EFFECT: improved quality of the welded joint.8 cl, 1 dwg

Installation for cylinder surface treatment and method of cylinder surface treatment // 2635984
FIELD: machine engineering.SUBSTANCE: installation (M) contains device (MA) to maintain the processed cylinder(C) and bring it into rotation around its own longitudinal axis (X) and at least one device (MB) that interacts with the specified first station (MA) to create and emit pulsed laser radiation using fiber-optic device, randomly influencing the surface (S) of the cylinder (C) and creating the specified roughness on this surface (S). The device (MB) is connected with the possibility of regulation to the first device (MA) in the first direction (K) parallel to the axis (X) of the cylinder (C), and contains one or more heads (8) emitting pulsed laser radiation, which are mounted with the possibility to slip relative to the cylinder (C) in the second direction (Z) perpendicular to the specified axis (X).EFFECT: increase the efficiency.5 cl, 8 dwg

ethod for treating surface of zirconium alloy plate // 2633688
FIELD: metallurgy.SUBSTANCE: method for treating zirconium alloy plate surface includes application of magnesium oxide powder onto the plate surface and laser treatment, which is carried out in 1-10 passes at average laser radiation power of 10-60 W, pulse frequency of 20-100 kHz, laser beam scanning rate of 100-1000 mm/sec. Then annealing is carried out in muffle furnace at 700-1100C for 5-25 minutes.EFFECT: formation of transparent oxide film of mixed composition with high hardness, adhesion strength and corrosion resistance.9 dwg, 1 tbl

Device and method of cutting by measuring decorative tape paper and use of device for cutting device // 2610498
FIELD: printing.SUBSTANCE: invention reffers to printing and relates to the device and method of cutting to a size of decorative paper tape, and application the device for cutting the tape. The device for cutting the segments of decorative paper tape, that have the coating, includes a flow line with means for decorating and impregnating endless belt paper for converting a ribbon of decorative paper and at least one device for lateral dissolution separating belt lengths decorative paper of a certain length of tape decorative paper . In the feeding direction, before at least one device for transverse dissolution there is at least one device for slitting to separate the decorative paper tape, at least two endless longitudinal tape decorative paper, and at least one deflecting device, which separates the two longitudinal tape relative to one another and leads, respectively, to a separate device for the cross dissolve.EFFECT: invention provides a process of optimization of cutting pieces of decorative paper tape.15 cl, 5 dwg

ethod of pipe scanning intended for processing at laser cutting machine, using sensor for measuring radiation reflected or emitted by pipe // 2608868
FIELD: pipes.SUBSTANCE: invention relates to pipe scanning method, intended for processing at laser cutting machine. Method includes stages, at which: a) emitting focused laser beam by cutting head (50) of laser cutting machine so, that to prevent pipe material (T) cutting or etching; b) moving cutting head (50) along scanning specified direction (x); and c) during cutting head (50) movement along scanning direction (x) detecting by means of corresponding radiation sensors (56), reflected or irradiated by pipe (T), and install successively point by point, based on signal provided by sensors (56), presence or absence of pipe material (T).EFFECT: invention enables to measure cutting point position on pipe surface regardless of pipe position on laser cutting machine and from pipe shape.6 cl, 8 dwg

Device for laser processing and method for laser processing, containing singlet lens for focusing // 2607500
FIELD: technological processes.SUBSTANCE: invention relates to laser processing method and devices and can be used for material melting, evaporation or cutting under action of laser radiation. In device unfocused light (A) from light output point (B) is emitted on singlet lens (8). Lens (8) focuses laser light (A) and directs it to part (7) processing point. Distance (ma, mb) between lens (8) and light output point (B) and distance (la, lb) between lens (8) and part (7) processing point and distance between light output point (B) and said processing point may vary.EFFECT: wherein, achieved are expanded operating performances of device and method, consisting in processing of parts with various thickness, and higher accuracy of laser processing.40 cl, 6 dwg

Device for radiation treatment // 2587367
FIELD: machine building.SUBSTANCE: invention relates to a device for radiation treatment, which is capable of fast and accurate processing of template surface. Device (10) for processing of template surface (W) with a beam (LB) has a source (32) for generating a beam (LB), device (12) for the beam (LB) movement, and several reflectors (14) located on the optical path of the beam (LB) between the device (12) for the beam movement and treated surface. Several reflectors (14) are inclined at a predetermined angle corresponding to the direction of incidence of the beam (LB), the beam (LB) moved by the device (12) for the beam movement passes almost vertically relative to another position of the treated surface.EFFECT: fast and accurate processing of template surface.14 cl, 17 dwg

ethod and device to manufacture metal straps made according to individual requirements // 2569859
FIELD: metallurgy.SUBSTANCE: at least one metal strap (1) with substantially flat surface is connected with closure through material continuously along its longitudinal edge with at least one another metal strap blank (2). Blank (2) differs from strap (1) by at least one of its properties. Strap (1) and blank (2) are continuously delivered to at least one connection section (10). Blank (2) delivered to the connection (10) site is deformed in the treatment site (14) inside the production train to receive 3D structure (2.1), hollow profile and/or multiple located one after another along its longitudinal edge of grooves (2.2) and/or holes (2.3, 2.4).EFFECT: manufacturing of straps of required shape and quality.15 cl, 12 dwg

ethod of making hole using different laser positions // 2542871
FIELD: physics, optics.SUBSTANCE: invention relates to the technology of making complex holes using a laser beam, particularly a through hole for film cooling of a turbine component. At the first step, the internal part (7) of the hole (1) is made from the surface (12) to the opposite internal surface (13) of the substrate (4) using a laser (22) located in a first angular position (1) and simultaneously making a diffuser (10) part. The diffuser (10) residue (16, 18, 28) is removed at the next second and third steps. At the second step, the angular position of the laser (22) is changed to a position (II), different from angular position (I), and the laser is moved to the angular position (II) until the lateral side (17a) of the diffuser (10) is open and part of the volume (18) of the residue (16, 18, 28) remains. At the third step the angular position of the laser is changed from the angular position (II) at the second step so as to remove said residue (18). The angle in the angular positions (I, II, III) is defined as the angle between the middle line of the laser beam (25) and the surface (12) around the film cooling hole (1).EFFECT: using a laser in three different angular positions relative to the processed substrate significantly simplifies the making of complex holes in the substrate.13 cl, 12 dwg

Coordinate device // 2535434
FIELD: process engineering.SUBSTANCE: invention relates to coordinate device and can be used in high-precision processing hardware, primarily, for processing of articles by laser tools. Bed 1 supporting coordinate axes 2, 3 has the cavity that makes a spark-quench chamber 9 with openings 8. Working zone is communicated via openings 8 and spark-quench chamber 9 with gas-dust bend pipeline 7. Spark-quench chamber 9 openings 8 are communicated with working zone 6 by throttling device. At laser processing, air from working chamber and combustion products flows via throttling device in spark-quench chamber 9. Note here that flow rate drops to make combustion product particles settle in said chamber. Combustion products are discharged from spark-quench chamber via hatch. Plugs are used to adjust air intake from chamber part accommodating head with laser tool to allow air flow rate control for efficient removal of combustion products.EFFECT: efficient removal of combustion products.4 cl, 6 dwg

Apparatus for laser trimming of resistors // 2519689
FIELD: physics, optics.SUBSTANCE: invention relates to an apparatus for laser trimming of resistors, primarily made via thin-film or thick-film technology on polycor, glass-ceramic and ceramic substrates. The apparatus has a working table, a laser emitter (2) with optical and precision XY kinematic systems mounted on XY coordinate tables (5, 6) with Z-microlift probes (7, 8), a digital measuring system (9) with units (10, 11) for positioning and mounting probes on termination pads, a unit (12) for spot positioning and setting the zone and cutting path of the laser emitter. The units (10, 11) for positioning and mounting the probes are connected to a unit (13) for setting the movement zone of the probes. The precision XY kinematic system, controlled by the unit (12), facilitates positioning of the spot of the laser emitter and pre-trimming cutting. The substrate is placed and fixed on the working table. Each of the probes is moved to termination pads of the XY coordinate tables (5, 6), which are controlled by units (10, 11). Data from the probes are measured by the digital measuring system (9). The unit (13) employs a technology of accident-free movement of measuring probes between termination pads.EFFECT: reliable operation of the device and preventing damage to the processed article.11 dwg

Laser scribing installation for surface treatment of magnetic sheets with spots with elliptic shape // 2516216
FIELD: physics, optics.SUBSTANCE: invention relates to treating magnetic sheets with a directed structure in form of a strip (26) in the direction of longitudinal movement by laser scribing. The installation (22) includes a laser generator for a laser beam (46a, 46b), a cylindrical telescopic optical system (38a, 38b) with varying focal distance for the formation of a laser beam (49a, 49b) with an elliptic section having varying ellipticity as function of the focal distances and a rotating mirror scanner (39a, 39b) for moving the laser beam to a given angle. A parabolic reflector (54) of the installation is placed across the strip (26) for receiving the scanning laser beam (51a, 51b) and focusing the beam on the strip (26) in form of an elongated elliptic spot (53a, 53b), along a treatment path. The telescopic system (38a, 38b) is adjustable to change the length of one of the axes of the laser beam (52a, 52b) with an elliptic shape incident on the strip (26).EFFECT: reduced processing losses by scribing areas with a small cross-section and maximum penetration.20 cl, 14 dwg

ethod of making asymmetric diffuser with different position of processing laser // 2505387
FIELD: machine building.SUBSTANCE: at least one laser is used to make through opening with inner symmetric part and asymmetric diffuser with cross-section departing from that of said inner part. Laser angular position relative to substrate is varied only five times. At second angular position polyhedron is removed, in particular, polyhedron with five surface while at third angular position polyhedron with five surfaces is removed.EFFECT: ruled out damaging of opening side surface by laser beam.32 cl, 11 dwg

ethod of boring // 2490105
FIELD: process engineering.SUBSTANCE: invention relates to boring a hole with restrictive lateral sides. Proposed method comprises directing laser beam 4 to part surface and making a hole 2 by evaporating the part metal. Said hole is produced in several passes of laser beam 4. Every pass of laser beam 4 makes a part 2a, 2b of the hole. Laser beam 4 is directed so that it makes the angle larger than 8 degrees with lateral side 3a, 3b.EFFECT: hole with sound lateral sides.11 cl, 4 dwg

Device for laser processing // 2482945
FIELD: process engineering.SUBSTANCE: invention relates to robotics, particularly, to laser processing devices and may be used for laser processing, welding and cutting. Proposed device comprises laser, laser beam transmission assembly with transmission and deflection mirrors, and manipulator. The latter is composed of interarticulated links, each being made up of hollow case with adequate drive. Said cases accommodated laser beam transmission assembly mirrors. Laser beam position adjustment assembly comprises transducers to measure load at manipulator links, under to determine strain of links, correction signal generator assembly and drive of transmission and deflection mirrors. Said transducers are mounted on outer surface of every link and connected with strain determination assembly. Output of the latter is connected to correction signal unit input. Outputs of the latter are connected to aforesaid drives.EFFECT: higher efficiency and quality.2 dwg

ethod and systems of high-speed and high-power laser engraving // 2473414
FIELD: process engineering.SUBSTANCE: invention relates to engraving of images by output laser signal applied to material. Output laser signal is displaced relative to material at high speed exceeding 10 m/s to engrave at constant power of output laser signal exceeding 500 W. Proposed engraving system comprises laser, system of mirrors for displacement laser output signal that allows control over laser signal power and speed. Control device allows computation capacity making 10000 pixels a second.EFFECT: engraving on construction components.39 cl, 2 dwg, 3 tbl

ethod and device for welding parts from heat-resistant alloys // 2466841
FIELD: metallurgy.SUBSTANCE: device comprises source 3 to form heat feed zone 11 on part surface 10, device 5 to feed welding filler 13 into said zone 11 and device 15 to displace heat source 3 and filler feed device 5 relative to part surface 10. Control unit 17 with control program controls displacement so that welding power and heat feed zone diameter are set to ensure cooling rate of at least 8000 K per second at material crystallisation. Depth of remelting previous layer is set proceeding from the condition of formation of polycrystalline weld seam.EFFECT: rules out cracks.14 cl, 6 dwg

Unit for producing nanostructured layers on complex shape part surface by laser-plasma treatment // 2463246
FIELD: process engineering.SUBSTANCE: proposed unit comprises bed with driven device to clamp and process parts, drives for working tool to displace in three mutually perpendicular axes, laser with laser beam feed device, power supply and control system and work zone guard with protective windows. Transparent sealed chamber is equipped with two valves, one for feeding process gas and another one for waste gas discharge. Said valve may be connected to air system hoses to allow filling with process gases.EFFECT: simple design, reliable protection of personnel, higher ecological safety.2 cl, 2 dwg

ethod of laser engraving // 2443525
FIELD: process engineering.SUBSTANCE: proposed method may be used for making inscriptions and symbols on various materials, for examples, on light guides, light boards operated at high levels of illumination. Prior to applying coat of background material, contrast coat is applied that features minimum light reflection factor. Processed surface is divided along two coordinates into elementary sites to displace laser beam over said sites. All area of said sites is divided into area of sign outline and sign body area. On evaporating coats by laser radiation, the number of elementary sites is reduced to zero to form multistage sign profile comprising, at least, one step produced in contrast coat. Body sign area is kept unchanged.EFFECT: higher readability and accuracy of signs, preservation of initial colours of materials.3 cl, 3 dwg

Laser technological complex for treatment of large-size objects // 2397055
FIELD: technological processes.SUBSTANCE: invention relates to laser technological complex for treatment of large-size objects. Complex comprises technological laser, elements of laser radiation transportation, in the form of rotary mirrors, optical-focusing head with mechanism of its displacement along three coordinates and technological table for treated item. Technological table is arranged in the form of two platforms arranged one over another. Upper platform is arranged as movable in plane parallel to lower platform. Mechanism for billet fixation is installed on lower platform. Upper platform is arranged with the possibility to provide for rotation by 90 degrees relative to lower platform and to fix it in this position. Optical-focusing head is arranged in the form of body, in cavity of which there is a unit of fixation of spherical focusing mirror, which is placed on its wall. On opposite parallel wall there is a rotary flat mirror fixed at the distance l=F-(lndl/tga+2Df.m.), where F-focus distance of spherical mirror, mm, dl - diametre of laser beam, mm, Df.m. - diametre of flat mirror, mm. Unit of fixation is arranged with the possibility of its rotation by 90, displacement and fixation in horizontal direction relative to laser beam falling point at flat mirror arranged at the angle of 45.EFFECT: invention makes it possible to expand functionality, to increase efficiency of laser complex operation and to improve quality of billets treatment.4 dwg

ethod for laser-light thermal treatment of metallic materials at controlled heating // 2323265
FIELD: processes for laser thermal treatment of thin-sheet metallic materials, metal alloys, hardened high-strength steels with different thermal-physical properties, possibly in machine engineering, aircraft and ship manufacture.SUBSTANCE: method comprises steps of acting upon treated zone by means of laser beam and at least by means of one light beam; controlling rate of heating said zone due to interrelated movements of spots of laser beam and at least of one light beam along line of thermal treatment; providing elliptical shape of spots of laser beam and light beam at relation of sizes of lengthwise and crosswise axes of ellipse of spot of laser beam equal to 2 : 1 and density of irradiation in spot 105 - 107 Wt/cm2.EFFECT: possibility for providing high-quality welded joint by means of laser-light thermal treatment.14 cl, 5 dwg

ethod for laser-light thermal treatment of metallic materials at controlled cooling // 2323264
FIELD: processes for laser thermal treatment of thin-sheet metallic materials, metal alloys, hardened high-strength steels with different thermal-physical properties, possibly in machine engineering, aircraft- and ship manufacture.SUBSTANCE: method comprises steps of acting by means of laser beam and at least by means of one light beam upon treated zone; controlling rate of temperature change of said zone due to interrelated movement of spots of laser beam and at least of one light beam along line of thermal treatment; providing elliptical shape of spots of laser beam and light beam at relation of sizes of lengthwise and crosswise axes of ellipses of spot of laser beam equal to 2 : 1 and density of irradiation in spot 105 - 107 Wt/cm2.EFFECT: possibility for providing high-quality welded joint by means of laser-light thermal treatment.13 cl, 5 dwg

ethod for laser and light thermal treatment of metallic materials at controlled temperature change // 2322513
FIELD: processes for laser thermal treatment of thin-sheet metallic materials, alloys, quenching high-strength steels with different thermal-physical properties, possibly used in machine engineering, aircraft manufacture, ship making.SUBSTANCE: method comprises steps of acting upon treated zone by laser beam and at least by one light beam; controlling rate of temperature change of said zone due to motion of laser beam spot and at least of one light beam spot along thermal treatment line; providing elliptic shape of spots of light beam and laser beam at relation of sizes of lengthwise and crosswise axes of ellipse of spot of laser beam 2 : 1 and power density of irradiation in spot in range 10 5 - 107 Wt/cm.EFFECT: possibility for receiving high-quality welded joint by laser and light thermal treatment method.16 cl, 5 dwg

ethod and device for positioning nozzle for laser treatment of surface // 2320463
FIELD: laser treatment of materials.SUBSTANCE: method comprises measuring pressure in the space between the nozzle of the focusing and surface of the article to be treated and inside the nozzle, correcting the value of the reference pressure in the space between the nozzle of the focusing unit and surface of the article to be treated by varying pressure in the nozzle, and maintaining a given distance between them by varying the pressure upstream of the nozzle with respect to the reference pressure with regard to its correction. The device comprises gage for measuring pressure of the radial flow and gage for measuring pressure of gas inside the nozzle that are connected in series with the filter via the analogue-digital converter. The filter is made of a programmable logic matrix that is connected with the microprocessor connected with the controller. The optical pickup is mounted on the shaft of the drive of the focusing unit and is connected with the microprocessor through a unit for converting pulses into code connected with the controller. The microprocessor is connected with the computer provided with a program for control of the device.EFFECT: enhanced precision.2 cl, 1 dwg

Installation for working by laser // 2293005
FIELD: laser working processes, namely system for laser working used for different working of parts having surfaces of revolution.SUBSTANCE: installation includes apparatus 3 for fastening and rotating worked part mounted on platform arranged with possibility of moving on guides 6. Technological laser, laser head 15 and light joint 19 are in the form of united laser unit mounted in carriage of vertical motion drive. Said vertical motion drive 8 is mounted on carriage of stationary drive unit 9 for horizontal motion. Drive 20 for angular rotation of light joint 19 is mounted on body of laser unit. Inner cavities of light joint 19 and laser head 15 are communicated with system for supplying purified air.EFFECT: enhanced operational reliability and safety, reduced size of installation, small contamination degree of optical members at working process.4 dwg

Surface modifying method // 2268814
FIELD: different branches of machine engineering and metallurgy, possibly working products for modifying or preparing topography of article surface or raw materials.SUBSTANCE: method comprises steps of relatively moving article and powerful beam in crossing direction in order to act upon several positions on article by means of said beam; at each position moving beam relative to article according to predetermined way; melting material of article and moving it by action of powerful beam for forming recesses or openings; joining article having prepared surface with target part. Product formed by such process has predetermined surface roughness.EFFECT: possibility for producing article with predetermined surface roughness.46 cl, 11 dwg, 1 tbl

The way of cutting the transparent non-metallic materials // 2226183
The invention relates to methods of cutting and scribing the transparent non-metallic materials, mainly very hard with a semiconductor coating and without it, and can be used in electronic industry

Installation for laser processing // 2218255
The invention relates to laser technology and can be used for various laser processing of large parts with surfaces of rotation of the second order, offset from the axis of rotation at a random value

The laser processing sheet materials // 2145919
The invention relates to laser technology, in particular to installations for laser processing sheet materials, and can find application in various engineering industries when cutting flat sheets

The laser processing sheet materials // 2140840
The invention relates to the field of laser materials processing, namely figured cutting of flat sheets by means of laser radiation, and can be used for the manufacture of parts of various configurations of a wide range of mechanical engineering, electrical engineering, aerospace and automotive, etc

Installation for laser cutting of sheet materials // 2140839
The invention relates to the field of laser technology, in particular to an apparatus for laser cutting of sheet materials and can be used both independently and as part of flexible production systems in various engineering industries

Installation for laser processing // 2140838
The invention relates to laser processing of materials, namely figured cutting flat sheets using laser radiation and can be used for the manufacture of parts of various configurations of wide range, mechanical engineering, electrical engineering, aerospace and the automotive industry

The laser processing sheet materials // 2140837
The invention relates to the field of laser technology and can find application in various engineering industries for cutting material

The laser processing sheet materials // 2139782
The invention relates to welding, cutting, in particular laser processing sheet materials, and can be used in shipbuilding and other industries

Installation for laser processing // 2139781
The invention relates to the field of laser machining and can be used in various engineering industries, wood processing, chemical industry, other industries

Installation for laser processing // 2121417
The invention relates to the field of laser technology, and in particular to machines for cutting sheet materials

The method of laser processing of large-sized products and a device for its implementation // 2113956
The invention relates to mechanical engineering, in particular to equipment for processing of products by means of laser radiation

The method of laser processing and device for its implementation // 2112636
The invention relates to mechanical engineering and can be used for laser cutting of various materials

Optical focusing system with non-axial focusing optics // 2111100
The invention relates to equipment for laser processing of materials, and more particularly to optical focusing systems with non-axial focusing optics for the laser processing units and complexes

The scanning beam device guidance system // 2107880
The invention relates to the field of rocketry and may find wide application for controlled missile systems, as well as, for example, for remote control of complex production processes, robots, the processes associated with harmful production, and other needs of the national economy

A method of marking a moving material body and the device for its implementation // 2096149
The invention relates to the field of laser processing, in particular to a method and device for marking material moving body, and can find application in various engineering industries

Optical rotary device for laser equipment // 2090328
The invention relates to laser processing of materials and can be used for transmission of radiation in flexible manufacturing using laser technology

The method of laser processing and device for its implementation // 2086378
The invention relates to methods and devices for laser processing, in particular the formation of cavities and grooves in the massive blanks
 
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