Polar plate laser cutter

FIELD: process engineering.

SUBSTANCE: invention relates to machine for production of polar plates by laser cutting. This machine comprises bed, laser cutting assembly, cutting manipulator to drive laser cutting assembly, control system and at least one strip feeder. Strip feeder comprises manipulator for gripping, means for strip feeding to preset length and strip release means. Cutting and gripping manipulators are arranged at the bed. Means for strip feeding to preset length is arranged between gripping manipulator and strip release means. Control system is connected with cutting manipulator, gripping manipulator and means for strip feeding to preset length.

EFFECT: production of plates for lithium-ion storage batteries and super capacitors by laser technology, higher quality of plates.

10 cl, 5 dwg

 

AREA of TECHNOLOGY

The present invention relates to the field of batteries and, in particular, to a machine for laser cutting of pole plates.

PRIOR art

In the production process of lithium-ion batteries and supercapacitors, the process of manufacturing of pole plates is very responsible, and at the present time to cut the pole plates are commonly used devices such as stempovscala machines designed to work in gold, machine and rotary cutting. However, the production of pole plates of aluminum foil or copper foil of small thickness with the use of cutting devices, which are easily crushed or deformed during manufacture, leads to the fact that the flatness of the cut pole plate does not meet the requirements and the pole plate is discarded. Moreover, each of the two sides of the pole plate has a coating layer, and after manufacturing of the pole plate with the cutting devices, it can be easily damaged and easily destroyed, which leads to the fact that the process has a low quality and a large number of mistakes, and have problems associated with low production efficiency and waste materials that may adversely affect large-scale production of lithium-ion battery�and in supercapacitors.

There is therefore a pressing need to improve an existing device for the manufacture of pole plates.

A BRIEF SUMMARY of the INVENTION

The TECHNICAL PROBLEM

The main technical problem that should be solved by the present invention is to provide a machine for laser cutting of pole plates, which prevents buckling and deformation of the pole plate in the process of its production and improves the quality of the process.

TECHNICAL SOLUTION

To solve the above technical problem, the present invention provides a machine for laser cutting of pole plates, which includes a component base, laser-cutter, a component manipulator for cutting, designed for driving laser-cutter, control system and at least one feeder plate; and a feeder plate includes a component manipulator for grasping a component feed to a predetermined length and a component for release, with the component manipulator for cutting and component manipulator for engagement component mounted on the frame, moreover, the component feed to a predetermined length is located between the component manipulator for gripping and component for release, with the control system connected to the component manipulator for special�, component manipulator for gripping and component feeder on the specified length.

Optionally, the component manipulator for gripping includes a pusher mechanism and a front gripper designed to grip the front portion of the pole plate, the component feed to a predetermined length includes a mechanism medium grip, designed to capture the average plot pole plate and the feed mechanism to move the mechanism medium grip back and forth, and the mechanism of front grip is mounted on the front end of the pusher, and the medium grip mechanism is mounted at the rear end of the pusher.

Additionally, the machine included a source of negative pressure, and a component manipulator for capturing further includes a suction mechanism, the suction mechanism includes a suction head and a suction plate with holes for suction, whereby the suction head is positioned under the suction plate and is connected to a source of negative pressure; mechanism front grip includes two band clamps, which are respectively located on two sides of the suction plate, and a cylinder control, actuate the clamps.

Preferably, the feed mechanism includes a servo and environments�tvo position detection, where the tool servo includes a servo motor, driving mechanism medium grip to move backward and forward, and the main plate to feed a predetermined length, and the medium grip mechanism is located above the base plate for supplying to a predetermined length, and a detecting position includes multiple photoelectric sensors located on top of the main plate to feed a predetermined length, and the chip sensors located on the bottom of the medium grip mechanism; wherein the photoelectric sensors and the tool connected to the servo control system.

Preferably the component feeder to a predetermined length further includes an alignment mechanism of the feeder on the specified length, wherein the alignment mechanism feed a predetermined length is mounted to the rear end of the pusher and follows the mechanism of secondary capture.

Preferably, the component for releasing further includes a mechanism of rectification in the release.

Preferably, the inlet plate further includes a component manipulator for the release of the component and store the feeder where the component manipulator has to release the suction side, the component manipulator to release and component �of agatina feeder mounted on a component base, and component manipulator for the release connected with the control system.

Component store feeder includes a box, a movable plate for maintaining a carved pole plate, a part of the buoyancy, which drives the movable plate and the sensor material, where the movable plate is located at the bottom of the box, the sensor material is located at the entrance of the box, and part ejection and the sensor material is connected to the control system.

Additionally, the suction side is additionally equipped with a distribution cylinder.

In one embodiment, the implementation provides two feeder plates, where two feeder plates respectively located on two sides of the base component for the formation of twin Shuttle machine for laser cutting of pole plates.

The present invention has the following advantageous effects: the present invention uses laser technology to perform the process of manufacturing lithium-ion batteries or supercapacitors, allows full use of the ideal characteristics of the laser, for example, good monochromaticity and a small angle of divergence, and has the ability to focus in a spot with high power at the focal point of the lens, uses a dedicated laserhawk and software to manage, a fully automatic positioner for cutting pole plates, which allows to overcome the problems of prior art related to the fact that the pole plate is easily deformed and has a large number of burrs in the traditional method of cutting, improves the quality of the production process and guarantees the quality of lithium-ion batteries and supercapacitors. As a result of the action of the control system reduced the error of the dimensions of the pole plate, and a process of manufacturing a pole plate has such characteristics as high precision, high performance, small bumps and low power consumption, allowing, thus, to improve performance.

Additionally, the present invention uses a control system to provide fully automatic control with the release, the filing of the plate, cutting, clearing and straightening during the release and filing of the plate, which not only increases the production efficiency, but also improves the machining accuracy and reduces scrap rates.

The present invention additionally provides twin Shuttle machine for laser cutting so that the laser-cutter has completed the cut strip plate alternately in two places, greatly increasing efficiency�aktivnosti production.

BRIEF description of the DRAWINGS

Fig. 1 is a perspective view of a machine for laser cutting of pole plates according to the embodiment of the present invention;

Fig. 2 shows a front view of a machine for laser cutting of pole plates (Fig. 1);

Fig. 3 shows a top view of a machine for laser cutting of pole plates (Fig. 1);

Fig. 4 depicts the sequence of operations of cutting machine for laser cutting of pole plates (Fig. 1); and

Fig. 5 is a schematic view of the system control machine for laser cutting of pole plates.

DESCRIPTION of PREFERRED EMBODIMENTS of the INVENTION

The present invention is additionally described in detail below with reference to specific variants of implementation and the accompanying drawings.

As shown in Fig. 1-3, a machine for laser cutting of pole plates in this embodiment, the implementation includes the base component 1, node 8 laser cutting, component 3 of the manipulator for cutting, designed to move the node 8 laser cut so that cutting pole plate 13, a control system and at least one feeder plate. The feeder plate is used to move the pole plate 13, which must be cut at the platform 7 for cutting, which is located above the pillar 1 basis for R�are narrow at certain sizes and shapes. According to the specific requirements odnostoronnaya machine for laser cutting includes one feeder plate, twin Shuttle machine for laser cutting machine or multiple-machine for laser cutting may include two or more nodes of the feed plate and each machine can perform cutting single-width or double cutting width. Feeder plate, in particular, includes a component 6 of the manipulator to capture, component 2 the filing of specified length and the component 12 to release, and component 3 of the manipulator for cutting and component 6 of the manipulator to grip mounted on the base component 1, component 2 flow to a predetermined length is located between the component 6 of the manipulator for gripping and component 12 for release. Component 12 for the release includes an unwinding roller, which first fixes the roll on pneumatic unwinding shaft of the roller at the time of release and during the fully automatic cutting pole pole plate band 13 under the action of the servo motor is moved to the component 2 flow to a predetermined length through numerous guide rollers and a mechanism for maintaining constant tension; component 6 of the manipulator for capturing captures the upper part of the pole plate 13, and component 2 the filing of the specified length.�ative average plot pole plate and uses the tool servo for adjusting the stroke length for to ensure that the pole plate 13 having a certain length, is moved each time to the platform 7 for cutting. The control system is connected to component 3 of the manipulator for cutting, component 6 of the manipulator to grip, 2 component feeder on the specified length, component 12 to release and with other components, respectively, for controlling the respective components according to the process.

The present invention uses laser technology to perform the process of manufacturing lithium-ion batteries and supercapacitors, allows full use of the ideal characteristics of laser radiation, e.g. laser radiation has good monochromaticity and a small angle of divergence, and has the ability to focus to a spot high power focal point of the lens, and uses a dedicated laser head and the software to control, and fully automatic positioner for cutting pole plate 13, which allows to overcome the problems of prior art related to the fact that the polar platinum 13 is easily deformed and has a large number of burrs when using the traditional way of cutting, thereby improving the uniformity of electrical conductors made of pole plate 13, and providing for�number of products such as lithium-ion batteries and supercapacitors. When the system management component 2 the filing of specified length and the component 6 of the manipulator to capture interacting with the movable pole plate at a certain length to platform 7 for cutting, so the error of the dimensions of the pole plate is reduced, and the process of manufacturing of pole plate has such characteristics as high precision, high performance, small bumps and low power consumption, allowing, thus, to improve performance.

In this embodiment, the implementation of component 6 of the manipulator for gripping includes a pusher mechanism 61 and the front gripper to grip the front portion of the pole plate 13, component 2 flow to a predetermined length includes a medium grip mechanism for gripping the middle section of the pole plate 13, and the feed mechanism to move the mechanism medium grip back and forth. The mechanism of the front grip is mounted on the front end of the pusher 61 and the medium grip mechanism is mounted on the rear end of the pusher 61. At the time of filing of the plate feed mechanism moves the medium grip mechanism to move forward a certain distance so that the plunger 61 is brought into motion the mechanism of PE�one gripper to move forward a certain distance to complete a single submission; after submitting the component 3 of the manipulator for cutting leads to the movement of the node 8 of the laser cutting path according to a pre-established pattern, cutting pole plate 13 on the platform 7 for cutting, and after cutting the feed mechanism again moves the medium grip mechanism, the pusher 61 and the locking mechanism to return to its original position in order to facilitate following the filing.

To facilitate cutting, laser cutting machine for pole plates in this embodiment, the implement further includes a source of negative pressure for suction pole plate 13 to prevent movement of the pole plate 13, and the component 6 of the manipulator to grip further includes a substrate and a suction mechanism. The substrate is mounted on the upper part of the base component 1, which is mainly used to support the push rod 61, the mechanism of the front gripper and suction mechanism, the suction mechanism includes a suction head and a suction plate attached above the substrate, the suction plate has numerous holes for suction, which allow sucking pole plate 13, which is moved by a mechanism of the front grip. Numerous suction�Turkey head on the bottom of the suction plate provide a suction force to the suction plate, and suction head are quick connectors that connect the source of negative pressure. Preferably, the source of negative pressure is a component of the fan located on the bottom of the component 1 of the base with the possibility of suction thin pole plate 13 under the action of strong airflow to avoid bias, the position of the pole plate 13.

The mechanism of the front gripper is fixed at the front end of the pusher 61 through the connecting plate and the connecting bracket; in the embodiment of the implementation mechanism of the front grip mainly includes a cylinder control and two groups of terminals respectively located on two sides of the suction plate. Cylinder management includes cylinder lifting control and cylinder control return, and each group of terminals includes clamps, top clamps and lower clamps, driven by the grippers, the grippers are connected with the pusher cylinder lifting control, cylinder lifting control is connected to the pusher cylinder control return, cylinder management return and the substrate form a sliding pair. Cylinder lifting control and cylinder control return are preferably cylinders of the slides that work with two� guides the cylinder control is connected to the lifting cylinder control back through the fixed plate and the mounting cylinder, and cylinder management return is connected to a linear sliding pair component on the grounds through the engine block. Seizures may represent a parallel opening/closing grippers and can be connected to the pusher cylinder lifting control through the mounting plate up for grabs. When capturing the pole plate 13 by two pairs of upper clamps and lower clamps, respectively, capture the front of the pole plate 13 in the process of the action of the grippers. The grips upwards under the action, commits cylinder lifting control to lift the head portion of the pole plate 13, when the pusher moves toward the completion of the movement of the pole plate 13, the cylinder lifting control actuates clamping devices for lowering and reset, jigs weaken the upper part of the pole plate 13 and, finally, the cylinder control return actuates the cylinder controlling the rise towards the two sides away from the pole plate 13.

After cutting pole plate 13 can also use the mechanism for discharging waste designed to automatically you�manual ultrasonic remaining waste in order to improve production efficiency; the mechanism of discharge of waste has many forms, such as type shelves with tray waste with a suction device that sucks the waste in the actuation cylinder, and then resets the waste or suck the waste and then knocks over a shelf tray for automatic waste dumping.

The feeder in the component 2 flow to a predetermined length includes a servo and a means to detect the position of the displacement control means of the servo. In particular, the tool servo includes a plate 21 grounds for the filing of specified length, the mounting plate guide rail and servo motor moving mechanism medium grip back and forth, where the mounting plate guide rail is fixed on top plate 21 of the base for supplying to a predetermined length, and its upper surface formed with a guide forming a pair of rails with a medium grip mechanism for performing a medium grip mechanism with the possibility of location on top plate 21 of the base for supplying to the required length. The servomotor is mounted on the base plate of the feeder on the specified length for the propulsion mechanism medium grip to grip pole plate 13 to move back and forth within a certain range displaced�th along the guide, and the movement and position specific movement back and forth is controlled by the control system. The vehicle position detection is used to detect and ensure that the feed mechanism supported starting at the specified length in the forward and rearward directions, which includes multiple photoelectric sensors, located at the top of the base plate for supplying to a predetermined length, and the chip sensors located on the bottom of the medium grip mechanism, where photoelectric sensors can interact with the chip sensors for detecting the position of movement medium grip in order to facilitate the management system managing the length of the feeder pole plate. For example, three of the photoelectric sensor are arranged respectively at the front end, middle portion and rear end of the plate 21 grounds for the filing of specified length, all of which are mounted on the plate 21 of the base for supplying to a predetermined length by means the guide of the sensor to facilitate movement, photoelectric sensors on the front and rear ends are used to detect the front and rear boundary of the provisions of IC sensors, photoelectric sensor in the middle part is used for the detection setting to "0" �fluid systems, and photoelectric sensors can enter the detection results to the control system to accurately control the speed of movement of the servo motor.

To avoid bias, the position of the pole plate 13 in the left and right directions at the time of filing component 2 flow to a predetermined length further includes an alignment mechanism to feed a predetermined length, wherein the alignment mechanism to feed a predetermined length is mounted at the rear end of the pusher 61 and follows the mechanism medium grip. In the embodiment of the alignment mechanism to feed a predetermined length includes a movable feed plate, the support plate alignment, sensor type, acting on the lumen for tracking the edge and drive rectification, driving the left and right plate to maintain alignment; the movable plate feeder is mounted at the rear end of the pusher 61, plate maintain alignment of mounted for movement on the movable platen feed mechanism medium grip is mounted on the plate maintain alignment, sensor type, acting on the lumen for tracking the edge is located on the side of the movable plate feeder, and a device to actuate the alignment and sensor type, acting on the lumen for tracking the edge connected � management system. Sensor type acting on the lumen for tracking the edge includes a transmitter and receiver located above and below the pole plate with the ability to detect the edges of the pole plate 13 and the signal to the control system, thus the control system can control the device to actuate the alignment in order to accurately control the position of the plate to maintain alignment. Device to actuate the alignment is a servo motor, which is mounted on the movable plate of the feed and may result in the movement of the plate to maintain alignment with the ability of sliding left or right through a mechanical connection and a pair of ball screws in order to align left and right pole plate 13.

The medium grip mechanism fully installed on the carrier plate alignment and can use rubber upper plate and the lower rubber plate for clamping the middle of the plot pole plate when actuated cylinder grip; preferably, the silica gel is attached to the surfaces of the two rubber plates in order to ensure that the pole plate is not damaged when captured.

It is preferable to avoid bias, the position of the pole plate 13 in the directions left and�ight at the time of filing the component 12 to release may further include an alignment mechanism of the release, and the alignment mechanism of the release has a structure similar to the structure of the alignment mechanism of the feeder on the specified length, which mainly detects the edge of the pole plate 13 by means of the sensor type, acting on the lumen for tracking the edge and to ensure accurate feeding through the device drive alignment under the action of control system, to perform the first auto-leveling before serving plate.

Additionally, the feeder plate in this embodiment, the implementation also performs automatic feeding after cutting pole plate 13 and, in particular, the inlet plate further includes a manipulator component 4 to release and component 11 store feeder, component 4 where the manipulator has to release the suction side 5 and the side 5 provides suction force of the suction via the source of negative pressure, can passivate cut pole plate when actuated manipulator component 4 to release the pole and moves the plate component 11 store the feeder. In case if you are cutting double width, cylinder distribution of the suction side 5. can be used for distribution pole plate 13 and further premises pole plate in to�mponent 11 store the feeder. Component 4 of the manipulator to release and component 11 store feeder mounted on the base component 1 and component 4 of the manipulator for the release connected with the control system to receive the control signal. Preferably the component store feeder includes a box, a movable plate for supporting the severed pole plate 13, some push to drive the upward and downward movement of the movable plate and the sensor material, where the movable plate is located at the bottom of the box, the sensor material may be a photoelectric sensor and positioned at the inlet portion of the box, and part ejection and the sensor material is connected to the control system. Part of the ejection can be a motor for hoist connected to the control system, and each time the suction side puts one plate, cut from a pole plate 13 in a box, hoist motor drives the movable plate to lower at a constant level for component 11 store feeder pole plates can automatically download. After discovering that a component 11 store feeder is full, the sensor material immediately sends a signal to the control system to alert the operator to Deputy�s component 11 store the feeder.

As shown in Fig. 1, the machine for laser cutting of pole plates in this embodiment, the implementation has two feeder plates, where two feeder plates respectively located at the two sides of the component 1 reason for the formation of twin Shuttle machine for laser cutting of pole plates, which has left the station and station right, left/right component for the release delivers the materials in twin Shuttle platform for cutting two ends through the left/right component of flow at the specified length, and node 8 laser cutting may be under the control of the control system to perform high-speed cutting pole plate 13, captured using the left/right component 6 of the manipulator to grip so that the utilization rates of node 8 laser cutting doubled, thereby further increasing the efficiency of production through fully automatic laser cutting.

As shown in Fig. 4, the sequence of operations of cutting twin Shuttle machine for laser cutting pole plate represents the following:

step 1: left/right component for release moves the pole plate, made in the form of a roll, and uses the alignment mechanism of the release to perform the alignment on the left and right;

stage 2: component p�cottages on the specified length captures the average plot pole plate for transmitting the fixed length, the left and right alignment is performed using the alignment mechanism of the feeder on the specified length, and, meanwhile, left/right component of the manipulator to grip uses the clamp to grip the upper part of the pole plate to the filing;

phase 3: starts a component of the fan to provide a source of vacuum and captures pole plate which will be cut on the suction plate;

step 4: component manipulator for cutting actuates the laser-cutter to move and prepare for a dynamic cutting pole plate;

step 5: laser-cutter uses software to control the cutting process pole plate by including the left and right of the station.

step 6: after cutting twin Shuttle left/right component of the manipulator to release actuates alternately left/right side of suction to begin the liberation of the left/right stations;

step 7: left side/right side suction cut puts the pole plate in the corresponding left/right component store feeder, and in the process, part eject drives the movable plate on the bottom of the box to lower at a certain level in order to accommodate a greater number of pole plates; and

step 8: when the installation of h�about left/right component store feeder filled pole plates, the sensor material delivers information management system to alert the operator.

As shown in Fig. 5, the control system twin Shuttle machine for laser cutting pole plate according to the embodiment of the present invention, in General, is a one-chip microcomputer or PLC (programmable logic controller) or other devices that can communicate with the operator through tactile screen, keyboard, PLC or industrial PC. In the system pre-installed software application to process control, and during the release management system may use the sensor type, acting on the lumen to detect the edges of the pole plates in order to perform the first alignment left and right pole plate in the left/right component for release by means of the alignment mechanism of release; at the time of filing control system translates the movement of the component feed to a predetermined length through the medium servo to move the pole plate on twin Shuttle platform for cutting, and use the sensor type, acting on the lumen, to track the edges to re-detect the edges of the pole plates in order to perform a second vyravnivanie� left and right pole plate through the alignment mechanism of the feed to a predetermined length; during cut left/right component of the manipulator for the release uses the suction plate, a connecting component of the fan-fixing pole plate, the control system uses the servo to control the component manipulator for cutting to excite the laser controller to move the twin Shuttle platform for cutting, and the control system additionally provides electronic filing of documents in laser cutting controller, in order to make the laser head cutting machine pole plate according to the preset cut paths; after completing the cut, left/right component of the manipulator for the release uses the left/right side suction for placing a severed pole plate to the corresponding left/right component store the feeder.

The above is a more detailed description concerning the present invention in conjunction with specific variants of implementation, but cannot make a conclusion about what the specific implementation of the present invention limited to such descriptions. Specialists in this field technicians can also carry out simple conclusions or replacement without departing from the concept of the present invention, which should be treated�ü as fall within the scope of protection of the present invention.

1. Machine pin plates by laser cutting of the strip, characterized in that it contains a frame, a laser-cutter, the arm cutting machine, designed for driving laser-cutter, control system and at least one node strip feeding and feeder stripe contains the manipulator to grip, means for feeding the strip to a predetermined length and means for releasing the strip, and a manipulator for cutting and manipulator to grip mounted on the frame, means for feeding the strip to a predetermined length is disposed between the manipulator to capture and means to release the strip in this case, the control system is connected to the arm cutting machine, manipulator for gripping and means for feeding the strip to the required length.

2. Machine according to claim 1, characterized in that the manipulator to grip contains a pusher mechanism and a forward grip to grip the front portion of the strip, and means for supplying the strip to the required length contains a medium grip mechanism for gripping the middle section of the strip and the feed mechanism for the propulsion mechanism medium grip back and forth, the mechanism of the front grip is mounted on the front end of the pusher, and the medium grip mechanism is mounted on the rear end of the pusher.

3. Machine according to claim 2,�likusasa, that it further comprises a source of negative pressure, wherein the handle grip further comprises a suction mechanism, the suction mechanism includes the suction head and the suction plate with holes for suction, wherein the suction head is positioned under the suction plate and is connected to a source of negative pressure, and the mechanism of front grip includes two sets of clips that are located respectively on two sides of the suction plate, and a cylinder control, actuate the clamps.

4. Machine according to claim 3, characterized in that the feed mechanism includes a servo and a detecting strip position, wherein the servo includes a servo motor, driving mechanism medium grip to move backward and forward, and the base plate for supplying to a predetermined length, and the medium grip mechanism is located above the base plate for supplying to a predetermined length, the detection means includes a photoelectric position sensors located on top of the base plate for supplying to a predetermined length, and the sensors in the form of chips located on the bottom of the medium grip, with photoelectric sensors and servo connected to the control system.

5. Machine according to claim 2, characterized in that the means �La feed of the strip to a predetermined length further comprises an alignment mechanism for feeding the strip to a predetermined length, moreover, the alignment mechanism for feeding the strip to a predetermined length is mounted to the rear end of the pusher and follows the mechanism of secondary capture.

6. Machine according to claim 1, characterized in that the means for releasing the strip further comprises an alignment mechanism of the band at the release.

7. Machine according to claim 1, characterized in that the node strip feeding further comprises a manipulator to release and store the feeder and positioner for liberation has a suction side, wherein the manipulator to release and store feeder is installed on the frame, and a manipulator for the release connected with the control system.

8. Machine according to claim 7, characterized in that the shop feeder contains a box, a movable plate for maintaining the cut pole plate, part of a push to drive the movement of the movable plate, and the sensor material, wherein the movable plate is located at the bottom of the box, with the sensor material is located at the entrance of the box, some popping and the sensor material is connected to the control system.

9. Machine according to claim 7, characterized in that the suction side is additionally equipped with a distribution cylinder.

10. Machine according to claim 1, characterized in that it contains two feeder lanes, and two nodes on�ACI bands are located respectively on two sides of the frame for the formation of twin Shuttle machine for laser cutting of the strip.



 

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12 cl, 2 dwg, 9 ex, 1 tbl

FIELD: metallurgy.

SUBSTANCE: in a creation method of porous material, on electrically conducting metal carrier there formed for the purpose of increasing specific surface and porosity is a catalytic active layer on metal carrier by means of high-energy processes of gas-phase transfer, and namely by microplasma or cold gas-dynamic sputtering of composite powder mixture consisting of metal powder-base and pore agent; with that, the obtained coating as a result of sputtering is subject to heat treatment at the temperature of decomposition of pore agent into solid-phase and steam-gas components; as a result, gaseous component is removed through the coating, thus forming through pores, and solid-phase component is deposited on walls of pores, thus considerably increasing an integral specific coating surface.

EFFECT: production of high-efficiency porous material on metal carrier with high specific surface and porosity.

8 cl, 3 tbl

FIELD: process engineering.

SUBSTANCE: invention relates to laser plasma welding of metals and device to this end. Invention can be used for welding of such materials as steel and aluminium by combined laser plasma effects. Welding parts are preheated in the weld area by plasma flux. Laser beam is directed to but of welding parts. Produced weld is additionally heated by plasma flux. Plasma flux is shaped to circle while laser radiation is fed via geometrical centre of circular plasma flux to said butt. Device for laser plasma butt welding of metals comprises plasma flux and laser radiation sources. Plasma flux source comprises outer and inner ring electrodes to produce plasma flux located in one plane with their geometrical centres aligned at one point. Laser radiation source can feed laser radiation via said geometrical centre.

EFFECT: intensified welding, lower rate of weld cooling, higher strength of the weld.

2 cl, 1 dwg

FIELD: process engineering.

SUBSTANCE: invention relates for surface processing to get glossy and dull sections. In compliance with this process, surface pre-coated with first copper ply and second ply including bottom nickel ply and top chromium ply is subjected to selective removal of chromium ply on sections to be frosted. Selective removal is performed by laser displaced above the surface. Note here that laser exposure and power are adjusted to get various texture. Then, ply of noncorrosive metal containing zirconium and chromium is evaporated from vapour phase on said surface.

EFFECT: production of glossy and frosted surface sections.

5 cl

FIELD: physics, optics.

SUBSTANCE: invention relates to a laser beam focusing head for laser cutting, a method and an apparatus for laser cutting of a metal component. The focusing head comprises a collimating lens (13) and a focusing lens (14). The collimating lens (13) and the focusing lens (14) are made of ZnS and have peripheral thickness of at least 5 mm. A deflecting mirror (15) operating at an inclination angle (α) from 40° to 50° is placed between the collimating lens (13) and the focusing lens (14) on the path of the laser beam. The laser cutting apparatus comprises a solid-state laser device (SL) emitting a laser beam with wavelength of 1.06 mcm to 1.10 mcm and power of 0.1 kW to 25 kW, said focusing head and a conveying fibre (CF) connecting the solid-state laser device (SL) and the focusing head.

EFFECT: invention provides a stable focusing position of a laser beam during cutting.

13 cl, 5 dwg, 1 tbl

FIELD: process engineering.

SUBSTANCE: invention relates to welding of at least two components 102, 104 of super alloys. In compliance with this process, mail weld 110 if made with the use of the first filler metal arranged between said components 102, 104 and weld surface 112 with the use of second filler metal made over the main weld. Spacer 506 is fitted between said components provided with optional flute 105 made along the surface 114 of weld 102, 104. Filler wire 504 is fed over preset surface 114 or inside said optional flute 105. Two lasers 700, 702 or laser 600 with connected beam splitter 604 produce first and second laser beams 508, 510. Said beams are directed at focus points 5122, 514 spaced apart through preset spacing (509), for example, 0.05-1.5 cm. First laser beam 508 is used for making of the main weld 110 with the help of fist filler metal between components 102, 104. Second laser beam 510 is used for making of the surface weld 112 with the use of second filler metal on the surface of the main weld 110.

EFFECT: perfected method.

9 cl, 8 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to production of pipes by laser welding. Laser welding comprises emitting of two laser beams along edges at open pipe upper surface. Said laser beams are transmitted via different optical fibre glass and have focused spots of diameters making over 0.3 mm. Said laser beams are emitted so that front laser beam and rear laser beam are inclined to welding direction. Note here that incidence angles are defined relative to direction perpendicular to open pipe top surface. Front laser beam falls on open pipe top surface in welding direction before rear laser beam while the letter falls on open pipe top surface in welding direction after front laser beam. Front laser beam incidence angle is set larger than that of rear laser beam. Gap between front laser beam centre and that of rear laser beam is set at open pipe rear surface equal to 1 mm and more.

EFFECT: higher quality of weld, higher yield.

17 cl, 4 dwg, 3 tbl, 1 ex

FIELD: metallurgy.

SUBSTANCE: temporary beads 3 and 4 are made on thick 2 and thin 1 parts. The bead 3 height is by 3-4 times higher than thickness of part 1. Height of bead 4 is equal to height of bead 3. Bead 4 thickness is determined by equation S2=(1+Δ)·S1. Beads 3 and 4 contact surface is treated by ultrasound in ethyl alcohol. Parts 1 and 2 are secured in welding fixture. Butt joint gap and beads 3 and 4 shift at least 10% of part 1 thickness are ensured. Laser beam 5 is directed to butt joint of beads 3 and 4.

EFFECT: invention increases weld strength due to rational design of the temporary beads.

3 cl, 4 dwg

FIELD: metallurgy.

SUBSTANCE: device to manufacture items by layer-by-layer laser agglomeration of powders contains tanks for powder and powder surpluses, located between them module for item forming including table with drive of its vertical movement, device for powder supply to the table from powder tank, and powder discharge to power surpluses tank, optical laser system for agglomeration of the powder nozzles installed above the table for air or inert gas supply on the powder layer, and gas intake installed under the table with possibility of connection with vacuum system. The table is made gas permeable and is equipped with installed on its top surface of the refractory gas permeable plate intended for powder layer arrangement on its surface and agglomeration.

EFFECT: improved quality of obtained items.

1 dwg

FIELD: machine building.

SUBSTANCE: module comprises a guide belt, a movable orbital carriage mounted on the guide belt and able of travelling along it. The carriage includes a longitudinal movement drive and a moving device consisting of a carrying roller system and a gear wheel. A joint monitoring sensor, a welding wire reeling device and a handler are installed on the carriage. The handler consists of two mutually perpendicular linear guides with motors, which can move in respect to each other. The transverse linear guide is equipped by a laser welding head, a wire feeding unit, an arc welding torch, a video camera and a controller.

EFFECT: invention allows for the increase of productivity and efficiency of welding process for fixed ring pipe joints and for the improvement of welded joint quality.

3 cl, 3 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to low-inertia robot for laser cutting of flat sheets. Robot comprises support appliance (15) for laser cutting head (14) displacing in axes X and Y. Said support appliance is provided with two sliding units (5, 6) actuated by independent drives (7, 8). They serve for their displacement in axis Y to vary their mutual spacing while bars (9, 10) intended for swivelling said sliding units (5, 6) with laser cutting head (14).

EFFECT: higher quality of cutting.

4 cl, 8 dwg

FIELD: process engineering.

SUBSTANCE: invention relates to protection of steam turbine blades against erosion. Proposed process comprises application of protective coating on the blade. Coating is applied by laser surfacing. Laser head is displaced at the rate of linear interpolation Vi not over 0.05 m/s at laser radiation power making 800-1200 W.

EFFECT: hardened ply of 1/3 length of the blade root at sufficient aerodynamics.

2 dwg

FIELD: physics.

SUBSTANCE: first, masks of absorbing material are applied on substrate surface at the points of recesses or holed thereon. Then, substrate is irradiated with the train of laser nano- and subnanosecond-long pulses, pulse length being smaller than the time of substrate heating wavelength by half the spacing between adjacent masks. Temperature at locations of said masks is brought to the substrate material sublimation level.

EFFECT: laser micro processing and profiling or drilling of plates and diamonds and other translucent dielectrics.

4 cl, 1 dwg

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