achine tools and metal-working not otherwise provided for (B23)

B23            achine tools; metal-working not otherwise provided for(74549)
ethod of creating structure of article and article produced using said method // 2607750
FIELD: laser engineering.SUBSTANCE: group of inventions relates to a method of creating at least one structure (13, 15) by means of a laser exposure, at least, at one part (11) of a container wall of a plastic article in the form of a container and an article made as described above. Preferably, the article is made by the process of blow molding, filling and closing the container. Corresponding structure (13, 15) of the container is created by the laser exposure. Laser exposure is determined at least considering the laser power, duration of the laser exposure, type of a plastic material and type of the desired structure in the form of linear depression (17) in part (11) of the article wall. Linear depression (17) at its edge and its travel is limited by projection (27), which is created under the effect of inherent stress of the plastic material.EFFECT: technical result achieved when using the group of inventions is reliable implementation of the method and creation of distinctly recognizable structures.10 cl, 9 dwg
ethod for laser separation of rubber and polymer coatings // 2607736
FIELD: technological processes.SUBSTANCE: invention relates to removal of rubber and polymer coatings, glued to surface of various structures. Described method is based on local infrared laser thermal action directly on zone of adhesive layer. Laser beam at rate providing required heating is used to scan adhesive layer in zone of contact of coating and surface of structure. When temperature values reach 60÷150 °C strength of adhesive layer falls by almost an order, that makes it possible to remove a coating layer from surface of structure using an applied tension force.EFFECT: reduced labor input, power consumption, high efficiency of removal of rubber coatings, providing a method which is safe for personnel by avoiding burning of rubber coating.3 cl, 1 dwg
ethod of plough share hardening // 2607680
FIELD: agriculture.SUBSTANCE: invention can be used for agricultural machines tillage tools working surfaces strengthening, operating under abrasive wear conditions. Protective coating is applied on ploughshare surface in several continuously repeating cycles by spark alloying of ploughshare surface and subsequent protective cusps arc surfacing. In each cycle electric-spark alloying is carried out by oscillating electrode, made of abrasion-resistant material, by doping current pulses with energy of 1.5–10.0 J for 5–60 s to produce protective coating with thickness of up to 0.5 mm. Then current supply to said spark alloying electrode is disconnected and it is supplied with constant welding current of positive polarity with value of 80–450 A for 20–120 c for overlay welding by electrode material of protective cusp with height of 0.8–1.5 mm.EFFECT: method ensures production of wear-resistant coating with high strength of its adhesion with ploughshare parent metal and ploughshare ability to self-sharpening.3 cl, 2 dwg
Powder feeder for plasma-powder surfacing // 2607679
FIELD: technological processes.SUBSTANCE: invention relates to means of plasma deposition of products with powder filler material, in particular to powder feeders of plasmatrons or similar devices. Powder feeder comprises casing with outlet chamber and dispensing hole, as well as overlapping element of dosing hole, made in form of shutoff needle. Feeder additionally comprises tube-separator with holes in its lower part and drive, connected with shutoff needle, wherein said needle is placed inside tube-separator and has weight, providing closing of dosing hole with shutoff needle, while there is no drive effect on shutoff needle. Drive may be made in form of electromagnet, fixed relative to casing, and is equipped with vibrator.EFFECT: technical result consists in improvement of quality of welding and stabilization of thickness of built-up layer.6 cl, 1 dwg
easuring hopper to supply powder and binder into welding zone // 2607678
FIELD: technological processes.SUBSTANCE: invention relates to surfacing powders mixing devices and can be used in parts reconditioning and hardening by electric contact welding and other methods of recovery, in which surfacing powders are used. Measuring hopper comprises hopper for powder with bottom discharge funnel and drive mounted outside of it, kinematically connected with vertical rod located inside powder hopper connected with powder shutoff valve. On powder hopper axis binding substance container is arranged, made in form of vertical cylinder, which lower end is made in form of truncated cone, which is powder shutoff valve in mentioned bottom discharge funnel, and upper end is provided with cover. Rod is installed on binding substance container axis. Rod upper end is connected with drive via hole in container cover, and its lower end is binding substance shutoff valve in hole in vertex of said truncated cone. On rod stopper is fixed.EFFECT: invention enables to perform simultaneous supply of powder and binding substance, and control and batch their supply.6 cl, 1 dwg
ethod of cylindrical gear wheels teeth finishing machining // 2607509
FIELD: mechanisms.SUBSTANCE: spur gear wheel processing includes two-row cutter head rotation and coordinated translational and rotational motion of machined gear wheel workpiece rolling in one direction with monotonically increasing by given dependence speed, where two-row cutter head right row of cutters forms cylindrical wheel tooth one lateral side. After that workpiece should be returned to initial position. Then coordinated translational and rotational motions of rolling are performed in opposite direction with monotonically increasing speed, as a result, two-row cutter head left row of cutters forms other cylindrical gear wheel tooth opposite side. Then, workpiece should be returned to initial position and divided by one tooth. Then cycle is repeated until, all cylindrical wheel teeth are processed.EFFECT: enabling increasing of gear transmissions quality due to reduction of processed wheels teeth profile error by teeth profile cutting value reduction and stabilization.1 cl, 1 dwg
High-temperature electric arc soldering device and soldering gun // 2607508
FIELD: technological processes.SUBSTANCE: invention can be used to produce permanent joints by high-temperature electric arc soldering method of metal tips and studs to different metal items. Device comprises electric arc soldering gun and magnetic contact for its placement on soldered part. Storage battery current source and control unit are installed in separate housing. Housing is made plastic dampproof and equipped with operation mode indicator. Control unit is made with possibility of arc current adjustment, arc voltage and current measurement and current and voltage in time product integral calculating. In gun housing electromagnet and spring-loaded rods are arranged, made in form of solid parts and arranged in parallel guides. One of rods end is connected with electromagnet armature, and end of other is with collet for arrangement of electrodes with solder. Connected with electromagnet armature rod is made straight lined and equipped with return spring.EFFECT: invention enabled to stabilize soldering quality at any position of soldered joint, simplify and optimize equipment design.7 cl, 9 dwg, 3 ex
ethod of aviation equipment thin-walled parts welding // 2607507
FIELD: technological processes.SUBSTANCE: invention relates to field of welding and can be used in aircraft thin-walled metal parts situational repair during its operation. Disclosed invention aims at possibility of simple and reliable weld root formation, and, therefore, at enabling of fast and high-quality situational repair of aviation equipment thin-walled metal parts by welding with one-sided access to them. Invention objective is achieved by fact, that during thin-walled parts welding fiberglass tape is employed, secured on welding lining, made of ferromagnetic material and consisting of several main links and two end links, connected to each other. Prior to welding, welding lining with fixed on it optic tape is installed under future welded seam, pressed and retained under it by means of variable power electromagnets mounted on welding electrode (or torch) side. If necessary, facilitating movement and mandatory control welding lining position on welded parts reverse side with flexible endoscope.EFFECT: use of developed method for situational repair by welding of aircraft thin-walled parts will allow to increase welded seam quality, and thus increase reliability and safety of aircraft flight and their repair economic efficiency.1 cl, 5 dwg, 8 lit
oving device for milling rails heads // 2607506
FIELD: manufacturing technology.SUBSTANCE: device comprises a driven mill-knife head installed on a running gear carrying the drive and containing at least one cutting tooth made of several cutting plates for milling rails heads. Head comprises a disc-shape tool holder including peripherally located, equipped with cutting plates cartridges arranged on several articulated with the tool holder bearing segments, herewith the tool holder is connected to the mill-knife head drive, and/or on the tool holder there are peripherally located at least two equipped with cutting plates cartridges, which differ by the number of cutting teeth, and/or by distances between the cutting teeth, and/or by the front angle of separate cutting plates, and/or by the angle of their installation.EFFECT: provided is shorter time for the cutting plates replacement.10 cl, 17 dwg
ethod for controlling a laser cutting process and laser cutting system implementing the same // 2607502
FIELD: laser engineering.SUBSTANCE: group of inventions relates to method and a laser cutting system. According to the invention, a laser cutting process is controlled, using as reference signal one or more emission lines, which are characteristic of the radiation, emitted by a assisting gas or a contaminant gas, present in the material volume, irradiated by the laser beam, focussed by laser head (12), based on the detected signal, at least one of the following process control parameters: power of the laser, frequency and the duty cycle of the laser pulse, pressure of an assisting gas, emitted by nozzle (16) forming part of laser head (12), relative speed of laser head (12) with respect to workpiece (P), distance between laser head (12) and surface (S) of workpiece (P), and the distance between focal point (F) of the laser beam and surface (S) of workpiece (P) are being adjusted.EFFECT: technical result is improved quality of laser cutting.12 cl, 12 dwg
Device for spot welding gun welding tips replacement // 2607501
FIELD: manufacturing technology.SUBSTANCE: connection plate is installed on device post upper surface. Device for removal of welding tip from gun shank end comprises main housing, installed in its base cylinder and tip removal unit arranged with possibility of sliding movement within main housing. Tip setting device housing is mounted on connection plate upper surface. One end of tip transfer unit is aligned with housing bottom, and other end is aligned with connection plate upper surface. Tip fixation unit is aligned with one side of tip transfer unit. On housing upper surface hole is made for introduction of tips from their arrangement unit. Tips storing unit is located by their feeding device housing height. Rotary lever ensures opening and closing of hole in housing base for connection with tips storage unit.EFFECT: present invention can be used for replacement of spot welding gun welding tips.14 cl, 12 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
Separation device, comprising swirler // 2607429
FIELD: energy.SUBSTANCE: invention relates to power engineering. Separation device comprises swirler (1, 20, 30) from sheet material, containing plurality of bent blades (4) with edge (6) on flow inlet side, forming inlet angle (α), and edge (8) on flow outlet side, forming outlet angle (β), wherein flow inlet side edge and flow outlet side edge extend from central section (3) to peripheral edge (9), wherein peripheral edge passes between edge endpoints on flow inlet side and edge on flow outlet side, and inlet angle is more than outlet angle, wherein bent blades peripheral edge is made circular on top view. Inlet angle (α) is at least 70°. Outlet angle (β) is in range 20–60°.EFFECT: invention allows to increase fluids separation efficiency, reduce pressure losses.15 cl, 9 dwg
Electrode and electrode holder for resistance spot welding // 2607395
FIELD: technological processes.SUBSTANCE: invention can be used in resistance spot or relief welding parts with free approaches for electrodes. Electrode is made in the form of a rod, the length of which exceeds the value of its diameter. Rod is equipped with periodically repeating, uniformly spaced along the longitudinal geometrical axis of the electrode, primarily, crosswise relative to the longitudinal geometrical axis of the electrode projections formed on the side surface of the electrode. Electrode holder is equipped with a mounting part formed in the form of a through channel, the length of which is less than the length of the electrode. Mounting part of the electrode holder is equipped with reliefs, geometric characteristics of which correspond to geometrical characteristics of the electrode projections. Electrode is made with the possibility of its installation into the mounting part of the electrode holder with matching part of its projections with combs of the electrode holder reliefs.EFFECT: invention provides high coefficient of using electrodes, reduced process and environmental costs of production and using the electrodes, as well as low cost of making welded structures.6 cl
ethod of welding of metal articles // 2607296
FIELD: metallurgy.SUBSTANCE: invention relates to welding of metal articles. Welding is performed with at least two electrodes with supply of current pulses of ultrasonic frequency. Current pulses from sources, feeding electrodes, are supplied to different electrodes with different polarity and with same frequency and positive pulses are shifted relative to negative pulses by 180 electrical degrees. At beginning of welding common lead of current sources is connected to welded article with provision of flow of overall heteropolar current from arc with frequency of power sources through a crystallising welding pool. Along entire length of welding pool during its crystallisation is exposed to magnetic field in plane perpendicular to axis of seam.EFFECT: higher mechanical properties of weld metal due to improvement of its structure and reduction of residual stresses in heat-affected zone.1 cl, 2 dwg
Laser radiation retention plant in safe closed space // 2607295
FIELD: machine building.SUBSTANCE: plant includes at least two openings (O1, O2) arranged oppositely on each side, through which at least one metal tape can be drawn, shell containing first and second devices with clamping jaws (M11, M12, M12s, M21, M22, M22s) for tape, arranged on tape drawing path between two openings, wherein said jaws are arranged transversely, at least to tape width, cutting or welding unit head (TL), emitting laser radiation beam in closed space, wherein said beam is transversally movable between pair of jaws (M11, M12) located opposite to one side of tape surface, wherein in jaws compressed position on tape jaws (M11, M12, M12s; M21, M22, M22s) connection on tape surfaces leads to formation of laser radiation physical screen (F1b), preventing radiation passing through two shell openings.EFFECT: higher safety of laser cutting.17 cl, 5 dwg
Device for processed part installation on cutting machine // 2607071
FIELD: metallurgy.SUBSTANCE: invention relates to metal working and may be used for flat parts with non-parallel planes installation on metal cutting machines. Device includes lower and upper wedge discs, faceplate made with possibility of machined part securing on it and with possibility of inclination, as well as wedge discs and faceplate locking mechanism. At that, faceplate and said discs are made with formation of inner cavity and with possibility of sliding contact between them at compressed air supply into inner cavity. Locking mechanism is made in form of radially arranged in said inner cavity of movable wedge with stop rigidly fixed on it, fixation screw and tie-rod movably connected with faceplate and having through slot, in which movable wedge is arranged with possibility of back-and-forth movement by means of interaction with fixation screw end.EFFECT: invention allows to reduce loads required for positioning of faceplate with part, and simplify process of its fixation in required position.1 cl, 3 dwg
Powder of iron-based alloy for wear-resistant surfacing and sputtering // 2607066
FIELD: chemistry.SUBSTANCE: invention relates to powder alloy, which can be used for application of wear-resistant and corrosion-resistant coating by deposition or sputtering. Powder of iron-based alloy contains 2.9–3.3 wt% carbon, 0.4–1.0 wt% silicon, 0.4–1.2 wt% manganese, 17–21 wt% chromium, 0.15–1.2 wt% aluminium, 3–4.5 wt% vanadium, 0.02–0.12 wt% barium, not more than 0.06 wt% sulphur and not more than 0.07 wt% phosphorus.EFFECT: higher impact-abrasive wear resistance, as well as stabilisation of hardness of surfaced coat.1 cl
ethod and device for machining longitudinal edges of metal workpieces // 2607065
FIELD: machine building.SUBSTANCE: group of inventions relates to machine building and can be used for machining long edges of metal workpieces by peripheral cutter with at least one helical cutting edge. Workpiece machining surface is arranged with possibility of its simultaneous contact with multiple teeth of peripheral cutter with at least one cutting edge, operating simultaneously in feed direction and located at equal distances. During machining of workpiece all cutting edges are engaged with machining surface at working length of cutter with identical cutting depth. Separation of chips is performed on workpiece length corresponding to distance between adjacent teeth, simultaneously with their movement along working length in direction of feed. For machining tangential sections of bent profiles of rolling surfaces of rails, a stepped tool is used, which comprises at least two peripheral cutters having identical working length, distance between teeth and different diameters, which are arranged on one axis.EFFECT: providing machining high rate of supply at low cutting speeds, increased durability of tool.6 cl, 6 dwg
Device for measuring of analyzed material resistance to drilling // 2607064
FIELD: manufacturing technology; technological processes.SUBSTANCE: invention relates to devices of materials properties study and analysis by determining their value of resistance to drilling and can be used to determine physical and mechanical characteristics of growing trees wood, timber, wooden building structures of various purposes. Device comprises drill bit with electric motor of its rotation, arranged on carriage installed on guides with possibility of reciprocal motion, front wall, drill bit radial displacement limiters and carriage feed electric drive output shaft speed transducer, connected to hardware and software system. Besides, device is equipped with drill bit rotation electric motor current sensor and rods, wherein drill bit radial displacement limiters are made in form of plates arranged between said carriage and front wall with possibility to displace along guides, each of said plates is rigidly connected with ends of at least two rods, opposite ends of which are connected with said carriage using limiter, a drill bit rotation electric motor current sensor is connected with said hardware and software system.EFFECT: invention usage allows to increase accuracy of measurements, as well as reduce weight and overall dimensions of device design.1 cl, 2 dwg
Processing system // 2607063
FIELD: technological processes.SUBSTANCE: invention relates to processing systems for workpiece processing. Processing system includes at least one processing machine, primarily crosscut saw, and at least one cutting device for processing machine. Processing machine comprises drive unit to generate drive torque transmitted to cutting device, at least one workpiece positioning unit (12a; 12b; 12c) used as workpiece support during processing of the latter, and at least one movable installed working tool guidance unit (14a; 14b; 14c), on which cutting device is located. Cutting device contains at least one flexible cutting element (18a; 18b; 18c) and at least one guiding assembly (20a, 20b, 20c) for direction of flexible cutting element (18a; 18b; 18c) movement. Working tool guiding assembly (14a; 14b; 14c) is installed with possibility of linear movement along at least one axis (156b, 156c) and/or with possibility to turn about at least one other axis. At that, working tool guiding assembly (14a; 14b; 14c) is installed with possibility to turn about at least one axis (50a; 50b; 50c), passing at least essentially perpendicular to workpiece positioning unit (12a; 12b; 12c) support surface (22a; 22b; 22c).EFFECT: technical result consists in obtaining accurate cuts in processed workpiece.7 cl, 10 dwg
ethod for determining location of evolvents in gear wheels // 2607061
FIELD: technological processes.SUBSTANCE: method is intended to locate evolvents of a billet subjected to preliminary gear cutting and includes the following stages: generating the first relative displacement between the billet and the tool, detecting the resulting first contact between the first side surface of the tool tooth and the first side surface of the billet tooth and detecting the first set of coordinates for representation of relative displacement of the billet and the tool; generating the second relative displacement between the billet and the tool, detecting the resulting second contact between the second side surface of the tool tooth and the second side surface of the billet tooth and detecting the second set of coordinates for representation of relative displacement of the billet and the tool; determining angles of rotation, feeds, an axial distance and an angle of crossing axes of the tool and the billet basing on the first and the second sets of coordinates and subsequent calculating the location of evolvents basing on the angles of rotation, the feeds, the axial distance and the angle of crossing axes.EFFECT: proposed is a method for determining location of evolvents in gear wheels.21 cl, 8 dwg
ethod for diamond-electrochemical polishing // 2607060
FIELD: metal processing.SUBSTANCE: invention relates to combined methods of processing, combining mechanical and electrochemical action on machined workpiece, and can be used in diamond-electrochemical polishing of parts made from hard steels and alloys. Grinding is performed with a rotating diamond wheel on metal binder with activation action on interelectrode interval. Activating action is performed by applying alternating ultrasonic vibrations in low-frequency and medium-frequency ultrasonic ranges, wherein low-frequency range is selected from range of 15–50 kHz with intensity of 2–5 W/cm2, a medium-frequency range within range of 100–300 kHz with intensity 0.5–5 W/cm2.EFFECT: increased resistance of diamond wheel, higher quality and efficiency of processing.3 cl
Workpiece positioning device for clamping or centering units // 2607059
FIELD: manufacturing technology.SUBSTANCE: invention can be used for workpiece positioning. Head (2) for replacing tool is installed with possibility of rotation around axis (11) of rotation. At least two tool holders (3, 4, 17, 18) are made with possibility of installation in different positions. Rotating device (7) for installation of one of tools in working position is made in form of Maltese gear (8) consisting of sprocket (9) and drive wheel (10) with locking washer (22) and with gripping pinion (21). Locking washer (22) is made with round external perimeter and is directed towards gripping pinion (21) of groove (23). Beams (19) of sprockets on their outer perimeter (24) have recesses (25) in form of circular segments, made with possibility of engagement with external perimeter of locking washer (22) depending on angular position of sprocket (9) and drive wheel (10).EFFECT: device provides accurate and reproducible positioning of workpieces of different design.3 cl, 5 dwg
Drill bit with exchangeable cutting portion // 2607058
FIELD: instrument making.SUBSTANCE: invention relates to tools for drilling or boring and can be used in machining materials by boring or drilling crowns with replaceable cutting sections. Drill bit is rotatable about an axis and has a cutting portion with one or more cutting segments and a first plug-in connecting element, and a drill shank portion with a second plug-in connecting element, which forms a plug-in connection with first plug-in connecting element. First plug-in connecting element and second plug-in connecting element can be connected by means of a pin connection.EFFECT: reliable connection of drill rod section and cutting section, reduced costs for replacement of cutting elements.15 cl, 4 dwg
ethod of mating surfaces abrasion-free adjustment // 2606828
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used for production of locking devices to control over liquid and gaseous media supply. In method of metal mating surfaces abrasion-free adjustment at the beginning of treatment between mating surfaces, used as electrodes, minimum gap is set at boundary of its breakdown beginning by low-voltage current in low-conducting electrolyte with negligible content of metal filler with particles size of 8 nm, and then increasing volume content of said metal filler with simultaneous increase of spark gap and maintaining its value at beginning of the breakdown boundary between electrodes until stabilization of current passing through electrodes. Then performing vibration of mating surfaces towards each other, vibration amplitude is increased smoothly until obtaining stable current pauses and processing is continued until obtaining of minimum stable roughness on one of mating surfaces, after that, changing electrodes polarity and using same processing mode forming roughness on other mating surface.EFFECT: technical result is provision of minimum roughness and high accuracy of surfaces mating.1 cl, 3 dwg, 1 ex
Lining elements replacement control and positioning system from wear on subjected to wear wall // 2606810
FIELD: manufacturing technology.SUBSTANCE: invention relates to lining replaceable element mounting position control and positioning system and to using system camera for determination of lining replaceable element and lining element certain mounting position mutual arrangement. Invention can be used during lining elements replacement. System comprises first support system formed by wall mounting holes, second support system formed by connecting means arranged on lining element lower surface, two-dimensional sensor made with possibility of stationary arrangement on mounting surface wall side, opposite to wall subjected to wear, in such a way that sensor field of view included lining element lower surface, viewed through installation holes. At that, sensor is made with possibility to transmit electric signal representing two support systems mutual location image, for determination of lining element mounting position by crane operator. Two-dimensional sensor may contain two images recording cameras. Used in system camera is made with possibility of lining element lower surface image recording through mounting hole in wall.EFFECT: replaceable lining element control and positioning system considerably increases erection works accuracy and simultaneously simplifies their conducting.11 cl, 9 dwg
ethod of turbine rotors and large-sized shafts turning and/or milling processing // 2606689
FIELD: machine building.SUBSTANCE: method consists in fact that, workpiece is installed on back rests support rollers and clamped by support rollers, aligning workpiece rotation axis with machine tool centers axis. Then, by moving front and/or rear head along bed plate longitudinal guides, leading workpiece front and/or rear end into front and/or rear head chucks jaws and clamping these ends in these chucks jaws. Workpiece rotation during processing is performed by means of rotation drives and/or turning about front or rear head spindle coordinate axis C.EFFECT: enabling expanded operating capabilities due to provision of shaft ends processing.6 cl, 5 dwg
Hydraulic puller for removal of external or internal sleeves of the balance weight from the case executed on the press fit // 2606687
FIELD: military equipment.SUBSTANCE: invention relates to repair of military equipment and can be used for removing of pressed loose hubs of balance weights from the shed of IFV. Puller comprises hollow mandrel with the shed, the draft located in shed of the mandrel with possibility of longitudinal displacement, grips and unit of hydraulic cylinders installed on the shed of the mandrel. Besides, it is equipped with installed in the shed of the mandrel cylindrical guideway with inner cavity, at that on an outer surface of the mentioned guideway from its end side, intended for input into dissemble sleeve, is carried out lead-in chamfer, on the side of the other end is carried out thrust land, and in the central part of the mentioned guideway is made grooving, which is concentric to its outer surface and on the generatrix of which executed about four holes in two rows at the angle of 90° to each other, connected with the internal cavity of the guideway, and in the cavity of the groove are established four grip with lands with possibility of radial movement, which have a shape of sectors with angle of 90° and furnished with pins placed in mentioned holes.EFFECT: removal of loose hubs.1 cl, 7 dwg
Shaped part made by laser welding // 2606682
FIELD: metallurgy.SUBSTANCE: invention relates to welding and can be used for fabrication of shaped part in form of steel plates T-connection by laser welding, containing wall and flange arranged perpendicular to each other, welded to wall by its edge part by means of melting with single pass irradiation by laser beam, guided on flange one of surfaces side. Welded area shape in lateral cross section, perpendicular to shaped part longitudinal direction, should be such, that were observed flange melted area width preset dimensions on both sides, wall melted area widths on both sides and wall penetration maximum depth. In case if wall and flange are made in form of plates with galvanic coating, then for such part other conditions for said specified sizes shall be observed.EFFECT: invention provides higher strength of T-shaped welded joint and its corrosion resistance.3 cl, 3 dwg, 12 tbl
ethod of overlapped welding section, method of making overlapped welded element, overlapped welded element and automobile part // 2606667
FIELD: manufacturing technology.SUBSTANCE: invention can be used for production of parts, in particular, automobile ones, containing multiple steel sheets jointed overlapped by point contact welding. Laser radiation is directed at the core of a point weld section obtained by contact welding to make a section crossing the core and extending beyond its limits by not less than 3 mm. In the steel sheet containing a martensite structure, provided is the depth of the section from the effect of laser radiation measured at the distance of 1 mm from borders of the core of the point weld section of at least 50 % of the said sheet thickness. When connecting the steel sheets, the outer of which is a zinc-plated steel sheet, laser radiation is directed from the side of the uncoated steel sheet to make a section crossing the said core and extending beyond its limits, without melting the section of contact with the zinc-plated sheet. In the uncoated steel sheet provided is the depth of the section from the effect of laser radiation measured at the distance of 1 mm from borders of the core of the point weld section of at least 50 % of the said sheet thickness.EFFECT: invention ensures prevention of destructions at the sections obtained by contact point welding.7 cl, 15 dwg, 4 tbl
Lathe machining method // 2606367
FIELD: manufacturing technology.SUBSTANCE: proposed method comprises relative displacement of processed part and cutting tool with simultaneous supply into cutting zone of lubricant-cooling process medium, subjected to vibration in frequency range from 1 to 40 kHz. Lubricating-cooling process medium is supplied to non-processed surface of part in zone of beginning of plastic deformations during chip formation at normal to vector of cutting speed under pressure, providing pressure of lubricant-cooling process medium on surface of processed part in range of elastic deformation of material of processed part. It is expedient, on side opposite cutting zone on processed part, to apply counter pressure with pressure parameters of lubricant-cooling process medium on processed part.EFFECT: higher quality of processing due to reduced formation of brittle fractures in processing fragile materials.1 cl, 4 dwg
Power-driven tool dust removing device and power-driven tool // 2606362
FIELD: tools.SUBSTANCE: invention relates to power-driven tool dust removal device. Dust removal device includes housing with suction opening, on which power-driven tool is mounted, motor chamber, holding electric motor with output shaft, fan chamber for dust removing fan accommodating, which is attached to electric motor output shaft, and dust collection chamber. Dust collection chamber has filter, through which passes air, absorbed from suction opening due to dust removing fan running. Dust removing fan is mounted on fan chamber inlet side. Between electric motor chamber inner wall and motor external peripheral surface a damping element is arranged.EFFECT: result is increased electric motor service life.8 cl, 3 dwg
Braking device for process machine // 2606353
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used in portable manual technological machines. Braking device comprises at least one brake assembly intended to, create in the position of braking of brake force at least partially convert one relative motion between driving element of brake unit and brake unit braking element in another relative motion between driving element and brake elements. In braking device at least one moving unit is provided at least to, at least in one working state to displace brake element in the direction of driving element generate force component acting in direction of driving element.EFFECT: as a result, reliable transfer of brake unit in unconstrained position is enabled, as well as spontaneous separation of braking device elements is eliminated.10 cl, 8 dwg
ethod for processing gas turbine components by means of welding (versions) and processed component // 2606285
FIELD: technological processes.SUBSTANCE: processing gas turbine components having base metal with a surface defect includes applying a first layer onto the processed region by means of welding, the fist layer containing a first filler; then applying a second layer onto the first layer by means of welding second, the second layer having a second filler. Coefficient of thermal expansion of the first filler is less than the thermal expansion coefficient of base metal and the thermal expansion coefficient of the filler. Yield strength of the first filler is greater than the yield point of base metal and less than the yield point of the second filler. Relative elongation at breaking the first filler is greater than the relative elongation of base metal and less than the relative elongation at breaking the second filler. First filler can include from approximately 1.0 wt % to about 1.5 wt % of carbon, from approximately 42.5 wt % to approximately 47.5 wt % of iron and the rest is nickel. Second filler can contain up to approximately 0.1 wt % of carbon, from approximately 20 wt% to approximately 23 wt % of chrome, approximately 5.0 wt % of iron, approximately 1.0 wt % of cobalt, from 8.0 to 10.0 wt % of molybdenum, from approximately 20 wt% to approximately 23 wt % of chrome and the rest is nickel. Another invention of the group of inventions relates to gas turbine component processed using the said method.EFFECT: group of inventions enables to reduce the probability of cracking inside the weld seam.20 cl, 1 dwg
ethod of hollow cylinders processing // 2606145
FIELD: machine building.SUBSTANCE: invention relates to hollow cylinders processing. Drilling hole with spiral drill. Performing hole mandreling according to compression pattern with tension equal to not less than 5 % of its diameter, by means of single mandrels with increasing diameter successive pushing. Removing metal beads at cylinders ends and performing their axial plastic compression with deformation degrees of 0.5…1.5 %. Performing additional mandreling of hole according to compression pattern with tension, equal to 1 % of its diameter by one tooth mandrel pushing.EFFECT: result is reduction of residual stresses in hollow cylinders.1 cl, 2 dwg, 1 tbl
ethod for welding thick-walled large-size parts // 2606144
FIELD: technological processes.SUBSTANCE: invention relates to a method for automatic welding thick-walled large-size parts from Ni-Cr-based alloy and can be used in production of a liquid-propellant engine. Proposed method comprises V-shaped cutting edges of welded parts, installation of welded parts on the substrate, multilayer welding using a filler wire from Ni-Cr-based alloy with diameter of 2–2.5 mm. Then, the welded joint is being hardened at 1,050±10 °C. Then, part is being cooled at a rate of 30–40 °C/min, and during cooling when temperature of 700–780 °C is achieved, the part is being held for 60±10 and, then, cooled.EFFECT: invention allows preventing cracks in heat-affected zone of welded parts.1 cl, 3 dwg, 1 ex
Dust catching device and impact tool // 2606137
FIELD: manufacturing technology.SUBSTANCE: invention relates to the dust catching device attached to the impact tool containing the tool tip. Dust catching device contains a component for dust catching, on the front end of which there is a dust extraction hole, a component for movement of dust, which is connected to the component intended for dust catching, and a hose holder of with housing of the holder. Component for dust catching is retained by shank tool tip. Component for dust movement is retained by the tool case. Component for dust catching has a sliding part to engage with shank tool tip. Component for movement of dust comprises tubular element and has a part made in the form of bellows. Component for dust movement is configured to be retained with the holder body through engagement between the ledges in the form of ribs made on the hose holder, and cavities of the component made in the form of bellows for dust movement.EFFECT: result is improved fastening of dust catching device to the impact tool.8 cl, 9 dwg
ethod of producing composite material // 2606134
FIELD: chemistry.SUBSTANCE: invention can be used for production of composite materials with high values of ultimate strength and modulus of elasticity. Stacking of alternating layers of base metal and reinforcing perforated metal sheet with through channels is made, wherein channels are distributed uniformly over entire area of sheet. Layers are welded by explosion, it is followed by low-temperature annealing, rolling and final high-temperature annealing. Channels in reinforcing sheet are made in form of opposed cones, truncated in middle of sheet. Diameter of contact points of cones is less than diameter of base of cones by 1–2 sheet thickness.EFFECT: method provides high strength and modulus of elasticity in combination with high plasticity, absence of anisotropy of properties.1 cl, 3 dwg, 1 tbl
End cutter // 2606133
FIELD: machine building.SUBSTANCE: invention relates to machine building and can be used for composite materials processing with end cutters. End cutter comprises shank and cylindrical body with cutting plates fixed in slots, arranged in staggered order. Each of cutting plates,installed in longitudinal slot is fixed by two clamping wedges, fixed by fastening elements, arranged in longitudinal grooves, made between slots along housing length. At that, slots, located near shank, are made closed, and slots arranged next to housing end face, are made semi-open.EFFECT: expanding range of processed composite materials.1 cl, 2 dwg

ethod for ultrasonic welding of thick-wall structures // 2605888
FIELD: technological processes.SUBSTANCE: invention relates to welding, namely to welding of thick-wall structures. To increase resistance to occurrence of cracks during operation due to improved mechanical properties method involves application of cyclic load on crystallizing metal of welding bath. Welding of each odd layer of multi-layer welding, including first and last ones, is accompanied by ultrasonic treatment, and welding of each even layer is accompanied by cooling. Ultrasonic vibrations are introduced at angle of 45-60° to seam axis, while cooling is performed from opposite side relative to heating source with air-water mix with temperature from 10-15 °C and flow rate of mixture of 0.3-0.5 l/min.EFFECT: increase of durability, improved mechanical properties.3 cl, 5 dwg, 1 tbl

ethod of high pressure vessels welded casings producing from high-strength alloyed steels // 2605877
FIELD: technological processes.SUBSTANCE: first, thin-walled shell is produced by cutting of pipes from steel of 28H3SNMVFA type into workpieces, calibration, recrystallization annealing, mechanical processing, rotary drawing in several passes with intermediate annealing by deforming rollers with triangular profile with rounded by radius or (and) flat tops, installed with various gaps relative to mandrel. Then performing shell ends process bulges cutting with subsequent trimming of its edges. Obtaining thickened rings from alloyed steel of 28H3SNMVFA type by cutting pipes into workpieces, calibration over outer diameter, recrystallization by softening annealing, machining with ends trimming and formation of conical section and cylindrical section for welding. Performing shell and two thickened rings assembling and welding. Performing high-temperature tempering of welds not later than 8 hours after welding. Performing X-Ray-TV testing of welds, casing hardening thermal treatment by heat treatment and tempering at least 1,520 MPa, tempering rings to ultimate strength of not less than 1,050 MPa and final machining.EFFECT: invention relates to method of high pressure vessels welded shells production from high-strength alloyed steels.11 cl, 5 dwg, 1 tbl

Cutting plate and thread cutting tool // 2605743
FIELD: technological processes.SUBSTANCE: cutting plate (1) for thread cutting comprises base surface, upper surface (3) and side surfaces (5, 7), connecting base surface and upper surface (3) to each other. Upper surface (3) comprises group of cutting teeth (8), arranged in line (33, 34) and equipped with cutting edges (9). Upper surface (3) is formed by central zone (10) and opposite zones (31, 32), made with downward inclination in direction from central area (10) and each containing by cutting teeth (8) row (33, 34). Opposite zones (31, 32) are made with possibility of rotation relative to each other around X axis, perpendicular to rows (33, 34) and passing through them.EFFECT: enabling cutting plate simplified manufacturing and higher durability.14 cl, 8 dwg

ethod of bimetal wire producing // 2605736
FIELD: metallurgy.SUBSTANCE: invention can be used for production of bimetallic wire on steel base with sheaths from different metals, mainly non-ferrous. Steel core and copper shell in form of tape are preliminarily treated with electrolyte in anode process electro-hydrodynamical mode. Workpiece is assembled by core wrapping with shell. Connecting its edges. Obtained workpiece is heated to 750-850 °C in electrolytic plasma in anode process mode. Obtained workpiece is rolled.EFFECT: method allows to produce bimetallic wire with high quality of its constituent metals connection, with considerably smaller rolling forces provides strong connection of dissimilar metals, for example core steel and shell copper, wherein copper shell is not thinning and burr is not formed.1 cl, 1 dwg

Device for replacement of welding electrode working tip // 2605728
FIELD: technological processes.SUBSTANCE: invention can be used for replacement of working tip of welding electrode tongs for point welding. Working tip removing tool is connected with robot hand. Tool for installation of working tip is connected to one side of working tip removing tool. Tool for working tip feeding into the tool of its installation contains a post located at a distance from welding tongs.EFFECT: due to automatic replacement of working tip of welding electrode of tongs for point welding device provides ease of welding tool replacement and high efficiency of point welding preventing accidents.8 cl, 12 dwg

ethod of metal surface super hydrophobic properties making // 2605401
FIELD: technological processes; metallurgy.SUBSTANCE: invention relates to method of metal surface super hydrophobic properties making. Said surface is exposed to focused beam of pulsed laser radiation with pulse duration in nanosecond range, said beam is displaced relative to said surface at predetermined law. Selected said laser radiation characteristics and said relative displacement parameters so, that to form multimodal roughness on said surface with dimensions of simultaneously in nanometer and micrometer ranges. Modifying said surface with low surface energy substance, water repellent.EFFECT: technical result consists in high efficiency of surface texturing and enabling formation of multimodal roughness super-hydrophobic state with characteristic dimensions simultaneously in nanometer (nanometers and/or tens of nanometers) and micrometer (tens and/or hundreds of micrometers) ranges.1 cl, 2 dwg, 3 ex

Grinding machine with grinding spindle unit rotary support and method of grinding spindle rotation in grinding machine // 2605399
FIELD: machine building.SUBSTANCE: invention relates to machine tool building and can be used, for example, in grinding machines designs. On grinding machine receiving element (21), for example, on grinding head, grinding spindle unit (10, 27, 55) is installed with possibility of rotation around axis (26) of rotation. Grinding spindle unit carries driven grinding wheel (31), which can be installed at angle to processed part longitudinal axis using adjusting unit (33). At that, pressure bolt (34) is extending, turning grinding spindle unit rotation around axis (26) of rotation. Axis (26) of rotation is made in form of living hinge using bearing part (23, 60) targeted elastic deformation area. Tension spring device (38) provides constant contact of pressure bolt (34) with receiving element (21).EFFECT: invention increases accuracy of grinding wheel specified installation at angle during inclined or convex surfaces processing.14 cl, 12 dwg

ethod of reconditioning and hardening of work organs of agricultural machines // 2605259
FIELD: agriculture.SUBSTANCE: invention can be used for reconditioning and hardening of work organs of agricultural machines. In places, subject to maximum abrasive wear, layer of wear-resistant material is applied. Coating layer is produced by electric contact welding of tape, in particular of carbonaceous material, treated to produce its welded surface roughness (Ra) 2.5-8.0 mcm by pulse current of 3-8 kA, pulse time of which is equal to 0.04-0.08 s and pause time is 0.06-1.2 s. Preliminarily between restored surface and tape intermediate layer of tape or powder solder is placed and on restored detail surface roughness (Ra) of 2.5-8.0 mcm is preliminarily created. Prior to forming second coating layer previous soldered layer is forged to produce said roughness value for creation of internal stresses.EFFECT: method provides restoring operability and increasing service life of tillage machine working parts by applying coating on surfaces, which has high wear resistance to abrasive wear.4 cl, 1 dwg

Universal mixing head swirl atomizer for gas burner // 2605166
FIELD: energetics.SUBSTANCE: invention relates to power engineering. Swirl atomizer for gas burner comprises atomizer housing, made with possibility to be fitted in burner head and having central channel, extending between atomizer housing first and second ends, first part of which envelopes spinning deflector; second part of said central channel, including atomizer opening with diameter smaller, than diameter of said central channel first part; third part of said central channel, including mixing chamber having diameter larger, than atomizer diameter, and smaller than diameter of said central channel first part; and at least one gas supply channel, coming out from mixing chamber onto atomizer housing outer side to receive gas fuel from gas fuel supply line and its direction said mixing chamber, wherein at least one gas supply channel is in communication with part of fuel supply line smaller diameter, located within burner head, wherein fuel pipeline has larger diameter part, passing in axial direction from fuel pipe end, and smaller diameter part passes from larger diameter part lower end.EFFECT: invention allows to create simple design of mixing head, providing resistance to flame backfires/flarebacks and operating with different fuels.19 cl, 12 dwg

ethod of processed material hardness determining in machined part contact zone with tool during cutting // 2605052
FIELD: metal processing.SUBSTANCE: invention relates to metals machining and can be used for processed material hardness determining at different cutting modes in specific conditions on selected processing equipment to assess cutting modes selection correctness or their correction during processing. Method involves preliminary processing of part at cutting speeds V0 and V1, when recording corresponding values of machine high-frequency oscillations effective amplitudes A0 and A1. After which performing part processing with current cutting speed Vt while measuring machine high-frequency oscillations effective amplitude current value of At, and material hardness value HBt in part contact with tool zone is determined by formula , where HB0 is material hardness value in initial state before processing, Ap is machine high-frequency oscillations amplitude calculated value, which is determined by formula Ap=A0+(VT-V0)×(A1-A0)×(V1-V0)-1.EFFECT: expanded performances of processed part material hardness determining process.1 cl, 2 dwg
 
2551367.
Up!