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

B23            achine tools; metal-working not otherwise provided for(74549)

Assembly on printed circuit board // 2614387
FIELD: physics, computer science.SUBSTANCE: present invention relates to the assembly on the printed circuit board. It is achieved by that, the assembly on the circuit board includes: a bottom layer; electronic components, which are divided into categories, at that, each component is attached to the bottom layer by means of fasteners, having a specified temperature of thermal tripping, depending on to which category applies the mentioned component.EFFECT: invention provides creation of an assembly on a printed circuit board and the assembling method of such assembly on a printed circuit board, in order to facilitate separation and collection of different electronic components, mounted in an assembly on a printed circuit board, at the end of its service life, and additionally facilitating the reuse of electronic components and / or recycling of substances, from which the electronic equipment wastes consist of.12 cl, 6 dwg

Stringer connecting method with covering by beam welding at stringer panels manufacture // 2614358
FIELD: metallurgy.SUBSTANCE: method includes stringer installing on the collar, performed on the covering at the place of the stringer location, and its weld tack, positioning and clamping of the stringer in the welding area by means of the head with the guide rollers, stringer welding with covering collar simultaneously by two beams, directed from two opposite sides of the stringer and moving along the weld joint of the stringer. Thus the stringer welding from one side is performed by the first beam, providing weld penetration to the depth equal to 0.8-0.9 of the stringer thickness, and from the other striger side the welding by the second beam is performed, providing weld penetration to the depth equal to 0.2-0.3 of the stringer thickness. The first beam is moved in front of the second beam at the distance greater than the length of the welding bath of the first beam.EFFECT: invention improves the quality of stringers welded joints with the increased thickness and stiffness.7 dwg

ethod of dip-transfer surfacing // 2614353
FIELD: engines and pumps.SUBSTANCE: electrode and part are connected to the DC welding source by reverse polarity circuit. Transferring the material of the vibrating electrode is carried out by the arc occurring while retracting the electrode from the part surface after their contact. In every moment of the electrode contact with the part surface, a positive current pulse of the capacitor discharge is supplied to the electrode, the parameters of which are selected from the conditions for providing the process of electric-spark alloying the part surface by the electrode material with the creation of the diffusion layer in the area of said contact. The capacitor discharge current pulse is supplied with the energy of 0.5-10.0 J at the capacitor charge voltage of 30-100 V.EFFECT: possibility of reducing the welding current while processing thin-walled parts, with the simultaneous increased strength of the weld surface adhesion with the part metal.2 cl, 1 dwg, 1 tbl

Cutting tool // 2613836
FIELD: construction.SUBSTANCE: cutting tool comprises the housing in the slot of which the cutting plate is installed, fixed by means of the L-shaped stuck with the cylindrical guiding part placed in the housing opening and having a groove perpendicular to its axis, and the screw placed in the threaded housing hole made parallel to the opening for the guiding stuck part and crossing it. Wherein the screw contacts by its butt surfaces with the side surfaces of the guiding stuck part groove. The groove of the cylindrical guiding stuck part is made annular, and on the guiding part itself a flat is made parallel to the axis, with the depth not less than the groove depth.EFFECT: reduced time for tool assembly and disassembly.3 dwg
ethod for submerged multiarc welding of metal products // 2613831
FIELD: metallurgy.SUBSTANCE: welded joint welding bath is filled with successive electrodes. Ultrasonic vibrations are fed to one of welding electrodes in a welding bath at 30-70% of volume of welding bath filling with molten metal by prior electrodes.EFFECT: invention improves quality of welded joint macrostructure in case of automated submerged multiarc welding, and also removes its internal defects in form of slag inclusions, pores.2 dwg, 1 ex

Portable process machine // 2613825
FIELD: machine building.SUBSTANCE: invention relates to portable process machines with cutting working element. Portable process machine comprises housing accommodating drive unit and transfer mechanism, control unit and/or adjustment unit, docking adapter connected with cutting device for processing machine including flexible cutting device and guide assembly to direct flexible cutting device, and laying device for cutting device retraction into it in state of cutting device connection with docking adapter. Process machine housing has side wall facing laying device, which together with cutting device protective casing, which is part of laying device, restricts laying device receptacle, in which cutting device retracts, upon that in retracted state cutting device is overlapped by laying device parts and/or process machine housing for more than 20 % relative to cutting device surface area visible in cutting plane. Docking adapter in state of connection with cutting device is installed with possibility of turning relative to process machine housing. Control unit and/or regulation unit is made with possibility to control drive unit and/or its adjustment depending on docking adapter angular position to portable process machine housing.EFFECT: technical result consists in maximum possible exclusion of operator contact with flexible cutting device cutting elements when cutting device is in retracted state.5 cl, 9 dwg

ethod of bevel gears grinding // 2613821
FIELD: tools.SUBSTANCE: method involves use of the first grinding tool (2) at first stage during first teeth profile processing and second grinding tool at second stage during second teeth profile processing. Method employs measuring system (30), which performs measurement procedure and performs values sampling for, at least, part of bevel gear (1) workpiece first teeth profile, which enable to make conclusion on concentricity error of said bevel gear (1) workpiece during its clamping in chuck at second stage. Concentricity correction values are established by computer based on sampling values, and movements adaptation during second profile processing during method second stage is based on concentricity correction values.EFFECT: enabling higher accuracy of processed bevel gears.10 cl, 5 dwg
aterials for electric arc overlaying of steel continuous casting machine secondary cooling systems roller surface by ferromagnetic charge // 2613801
FIELD: metallurgy.SUBSTANCE: invention can be used for producing or reduction by overlaying of parts of metallurgical and machine-building techniques, operating under oxidation and cyclic thermo-mechanical loading, in particular for secondary cooling system of continuous steel casting plants. Ferromagnetic charge contains components in the following ratio, wt %: ferrochrome 29-32, nickel powder 8-9, ferromolybdenum 3-5, ferrotitanium 3-5, ferrovanadium 2-4, electrode marble 10-12, fluorspar 10-12, iron powder is the rest. Ferromagnetic charge powder pre-mixed at liquid glass for magnetic and non-magnetic components sticking. Surfacing is carried out by continuous electrode wire of "Св08А" grade of diameter of 1.6 mm, supplied with charge and attracted to it by the magnetic field of welding circuit, forming a coating similar to electrode.EFFECT: surfacing material use in electric arc welding which produces defect-free products that meet necessary performance requirements without additional heat treatment.
Highly productive automatic submerged arc-contact surfacing method with filler wire transverse vibrations // 2613800
FIELD: metallurgy.SUBSTANCE: surfacing is performed submerged by consumable electrode of austenitic class with simultaneous supplying of additional filler wire of austenitic class, which is heated by passing a heating current through it, to tail part of surfacing bath. Transverse vibrations with frequency of (2-7) Hz and amplitude of (0.5-0.8) of surfacing bath width are given to additional filler wire. Heating current amount of additional filler wire and speed of its supply is selected for obtaining the cooling temperature of weld bath at temperature range of the lowest austenite stability, ensuring the formation of surfacing microstructure not liable to cold cracking. Quality formation of surfacing layer is provided by synchronization of melting rate of filler wire and its feed rate to surface buildup area.EFFECT: method provides a product with guaranteed supply of technological strength and necessary performance properties without special heat treatment.1 dwg

ethod of use of pendulum scribing device to produce roots of shaving during cutting // 2613569
FIELD: machine building.SUBSTANCE: sample is installed and secured on the device table, the pendulum is provided with initial energy by load having definite weight and by pendulum rotation around the axis of oscillation to the initial position, sample is positioned by the table movement relatively to trajectory of the pendulum oscillations. On the pendulum the cutting tool is secured, and stop of blade of the cutting tool in the sample material is ensured by variation of the load weight and angle of rotation of the pendulum.EFFECT: expansion of area of application of the device for pendulum scribing.3 dwg

Device for mounting cylindrical billets for lathe treatment // 2613544
FIELD: mechanical engineering.SUBSTANCE: device comprises a self-centering cartridge, which contains a spiral disc and a housing, consisting of interconnected front and rear portions, and a spindle, on the outer surface of which back body portion and a spiral disc cartridge are set. Internal surfaces of the rear part of the housing and the spiral disc and a conjugated outer surface of the spindle are made in a shape of the cone. The outer cone spindle surface may have a taper of 7:24. The device may be provided with the radially adjustable sleeve, mounted between conical surfaces of the spindle and the spiral disc.EFFECT: improved accuracy of the workpieces based in the jaws of the cartridge, increased rigidity of the cartridge spindle coupling, reduced manufacturing costs and improved chuck jaws service term.3 cl, 2 dwg
Bimetallic thin strip and its production method // 2613543
FIELD: metallurgy.SUBSTANCE: bimetallic strip contains an aluminum-based primary layer in the annealed condition and at least one copper-based cladding layer in the annealed condition. The ratio of the ultimate strength values of the cladding layer and the primary layer is greater than 1, and the ratio of the thickness values of the cladding layer and the primary layer is defined by the following condition: Ncl/Npl<0.2235(σcl/σpl)-0.628, where Ncl, Hpl are thicknesses of the cladding layer and the primary layer in mm; σcl, σpl is the tensile strength of the cladding layer and the primary layer in MPa. During manufacturing of bimetallic strips joint rolling of prepared layers, diffusion annealing, cold post-rolling followed by annealing are performed. Diffusion annealing is carried out when the total deformation determined by the following condition is achieved: E=-0.0543(Ncl/Npl)2+2.5686(Ncl/Npl)+49.4, where E is the total deformation of the tape from the initial state. Each subsequent annealing is carried out when the total deformation determined by the following condition is achieved: E≤-0.23(Ncl/Npl)2+9.8(Ncl/Npl)-11.2.EFFECT: no ruptures in cladding tapes and, as a consequence, an increased product yield.2 cl, 2 dwg, 1 tbl

ethod of mechanized gas-shielded welding with consumable electrode // 2613264
FIELD: technological processes.SUBSTANCE: invention can be used for fabrication of critical metal structures using mechanized welding. With the main welding wire the additional filler wire is used which contains the shell filled with nanostructured powders of tungsten or molybdenum, or aluminum oxide. Additional filler wire is supplied into the tail of the weld pool. Nanostructured powders from molten filler wire are supplied without melting into the flow of superheated molten metal supplied from arc into the tail part, mixed there and are used as additional weld metal crystallization centers.EFFECT: method provides improvement of mechanical properties and corrosion resistance of welding joints by controlling the structure of the weld metal.9 dwg

ultilayer thin film for cutting tools and cutting tools, comprising such film // 2613258
FIELD: chemistry.SUBSTANCE: invention relates to a multilayer thin film for cutting tools in where the individual thin films, each consisting of four thin layers, are stacked more than once. Individual thin films, each consisting of a stack of successive thin layers A, B, C, and D, are stacked more than once. The modulus of elasticity ration between the thin layers satisfies the conditions of kA, kC> kB, kD or kB, kD>kC, kA and the ratio of the constant L lattice between the thin layers satisfies the conditions of LA>LB, Ld>LC or LC>LB, Ld>LA.EFFECT: multilayer thin film has improved physical properties compared to conventional films due to adjusted elasticity modulus period and period of the constant lattice between the four thin layers.7 cl, 7 dwg, 3 tbl, 2 ex

Automatic control method of penetration depth in automatic arc welding // 2613255
FIELD: metallurgy.SUBSTANCE: method includes specifying a reference value of the welding parameter, such as welding current, welding speed and welding voltage, and the desired value of the controlled parameter is determined from the welding condition (R-Ro) = (T-Tt)/M, where M is a constant defined as the ratio of the maximum permissible temperature change at the product surface at the given measurement point to the maximum permissible change in the controled welding parameter at permissable tolerances of penetration depth, Ro is the reference value of the controlled welding parameter, R is the desired value of the controlled welding parameter, Tt is the measured current temperature value of the set point of the product surface, T is the calculated temperature value of the set point of the product surface. The set point for temperature measurement is selected on the product surface outside the weld pool on the basis of certain conditions.EFFECT: increased speed and accuracy of the penetration depth control.2 cl, 9 dwg

ethod of mechanized arc welding with short circuit and in inert shielding gas // 2613247
FIELD: electricity.SUBSTANCE: method comprises forming an electric arc between the welding electrode and the welding structure periodically short-circuited by drops of melted from the electrode. Each cycle consists of a welding arc short-circuit period, in which an electrode is fed with high-current pulse, and the arc period, in which the electrode is fed with a high current pulse, which is followed by a low current pulse. In each welding cycle embedded energy during short-circuit is determined and set of the embedded energy of EHD in the arcing period, proper condition of ≥ EHD.EFFECT: improving of the quality of the weld formation.3 cl, 10 dwg
Composite welding wire for high-strength alloyed steel arc welding // 2613243
FIELD: metallurgy.SUBSTANCE: wire comprises a metal rod and anelectrolytically applied thereto nanocomposite coating incudling a metal matrix with distributed therein nanoparticles. The matrix contains nanoparticles of fluoride or fluoride mixture of rare-earth metal and nano-sized particles of a refractory metal boride in the following ratio of matrix volumes and nanoparticles in the coating, %: metal matrix 55-96, nanoarticles of fluoride or fluoride mixture of rare-earth metal 3-20, nanoparticles refractory metal boride 1-25. Rare-earth metal fluoride was selected from the group consisting of lanthanum fluoride, yttrium fluoride, and cerium fluoride. Titanium boride or zirconium boride is used as refractory metal boride.EFFECT: welding wire increases strength, ductility, and toughness of alloyed steel welds.3 cl, 6 tbl

ethod of processing shafts with equiaxial outline by internally cutting milling cutter with radial structural feed // 2613242
FIELD: technological processes.SUBSTANCE: method involves using an internally cutting milling cutter with radial structural feed, the mean radius of which is larger than the mean radius of the shaft by at least the value of the double eccentricity of the shaft, imparting rotation to the internally cutting milling cutter and the processed shaft, herewith the shaft and the internally cutting milling cutter RPM are set as identical, the shaft and the internally cutting milling cutter rotations feature identical direction, the shaft and the internally cutting milling cutter axes are arranged in parallel to each other, profile of the internally cutting milling cutter has an equiaxial outline, the number of vertices of which and the value of eccentricity equals to those of the processed shaft.EFFECT: provided is higher quality of processed surfaces.1 cl, 1 dwg

Composition welding wire // 2613006
FIELD: metallurgy.SUBSTANCE: composition welding wire for repair by fusible welding of the gas turbine engine parts made of heat-resisting alloys based on nickel, cobalt or iron, comprises a core and a surface layer applied and connected to it, containing boron and/or silicon. The total content of boron and/or silicon in the composition welding wire is calculated by formula where C∑ is the total content of boron and/or silicon in the welding wire; D' is the diameter of the welding wire; CSL is the content of boron and/or silicon in the surface layer; T is the thickness of the surface layer, wherein C∑ is 0.1-10 wt %.EFFECT: prevention of the cracking in the heat affected zone due to the fusible welding and argonarc welding of the dispersion-hardened heat-resisting alloys.17 cl, 13 dwg, 1 tbl, 6 ex

odular tool for planetary thread rolling with axial vibration of moulding surface // 2613002
FIELD: machine engineering.SUBSTANCE: modular tool comprises a body and, at least, one main drive with the deformation moulding surface located on one of its ends, wherein the other body end is adapted to mount the tool to the machine tool. The body is adapted to provide appropriate basing of the main drives adjusting their rotation against each other and transfer of the torque thereto. The deformation moulding drive surface is obtained by moving the moulding profile similar to the treated thread profile, on the guide as a plane closed curve formed by the intersection of the original cylindrical surface and the plane, which is inclined thereto at the angle of where a - the specified width of the moulding profile top, b - the specified width of the formed thread trench, with the proviso that a<b.EFFECT: invention use improves the strength and durability of the treated thread surface adapted to control the hardening degree, the hardened layer depth and the roughness of the thread surface.10 cl, 10 dwg
ethod of obtaining through-holes of small diameter in metals and their alloys // 2612883
FIELD: mechanical engineering.SUBSTANCE: pilot hole is drilled in the details, which has a greater diameter than the value of landing outside diameter of the metal tube, whose internal diameter corresponds to a given diameter of the through-hole. The metal tube is inserted into the pilot hole with interference with a length, that is greater than the height of the base hole, is connected to the protruding end of the tube and to the details of the electrodes and produce their contact welding at the contacting surfaces, after which protruding ends of the tubes are cut and ends flush with the workpiece.EFFECT: obtaining the through-holes of small diameter, reducing the complexity of their manufacture.

Welding stand for longitudinal welded pipes of definite length assembling and welding // 2612881
FIELD: pipes.SUBSTANCE: invention relates to pipe welding, specifically to welding stands for longitudinal welded pipes of definite length assembling and welding. Stand comprises holder, in bases of which symmetrically to vertical axis upper and side roller cartridges with their displacement adjustment mechanisms are installed, upper pressure rollers with their displacement adjustment mechanisms in form of hydraulic cylinder and drive screw-nut kinematic pair, support rollers, installed at holder bottom and welding machine. Side roller cartridges displacement adjustment mechanism is arranged along holder base radius. Stand is equipped with installed on holder upper part rings sectors and moving carriages with support upper and lower rollers. On sliding blocks upper roller cartridges are mounted with hydraulic cylinders arranged on its opposite ends, on rods of which shackles with holes are fixed. Upper support rollers are made with eccentric. Each carriage has displacement drive.EFFECT: invention allows to increase pipes quality and reduce gauge setup duration.1 cl, 10 dwg

ethod for processing rotating bodies // 2612877
FIELD: mechanical engineering.SUBSTANCE: method involves setting the workpiece in rotating centers. The pre-set position of the axis, which is carried out basing on the workpiece by the workpiece measurement of cross-sections with the definition of the coordinate of cross-section contour points, which determine the position of the centers of gravity of its cross-sections and averaging the least squares method. Then the coordinates of the points of intersection with the axis fixed ends of workpiece centering are defined and implement them with the subsequent installation of the workpiece in rotating centers.EFFECT: reduction of technological heredity when processing workpieces of the shaft lines, which have form errors and bending of the axis.1 dwg

Tool for planetary thread rolling with axial oscillation of moulding surface // 2612857
FIELD: construction.SUBSTANCE: tool includes a tail portion to hold tools on the machine and a thread forming part consisting of at least one main annular projection with a deformation moulding surface, which is obtained by movement of the moulding profile similar to the treated thread on the guide in the form of a plane closed curve formed by the intersection of the original cylindrical surface and a plane which is inclined at an angle of thereto, where a is the specified width of the moulding profile top, b - is the width of the recess of the formed thread, provided that a<b.EFFECT: use of the invention improves strength and durability of the treated threaded surface with a possibility to control the degree of hardening, hardened layer depth and thread surface roughness.5 cl, 8 dwg

Bit // 2612708
FIELD: drilling soil or rock.SUBSTANCE: group of inventions relates to drill bits and methods of their production. Drill bit comprises mounting section, spiral, adjacent to mounting area, and head, adjacent to spiral. Spiral has configuration of, at least, double spiral and correspondingly has, at least, two essentially helical discharge grooves, for which by two essentially helical ribbons are correspondingly defined forming groove side walls. First discharge groove, including its side walls, has constant spiral pitch along bit longitudinal axis. At least, one of two spiral tapes, related to first discharge groove, has or have along bit longitudinal axis, at least, at sections, alternatively changing width.EFFECT: technical result consists in drilled out material transportation optimization and natural oscillations effective suppression.15 cl, 3 dwg

ethod of metal parts surfacing for aircraft jet turbine engines and local protection tooling for said method implementation // 2612471
FIELD: metallurgy.SUBSTANCE: invention relates to metal parts (301) surfacing method for aircraft turbojet engine and tooling for its implementation. Metal part is set into surfacing (301) position in chamber (201), having upper part (202) with hole (208). Movable cover (221) with hole (222) is installed on hole (208) in chamber upper part (202). Performing nozzle (103) positioning on movable cover (221) hole (222) level. Introducing inert gas into chamber (201). Performing metal powder application on metal part (301), laser beam or electrons beam emission for metal part (301) surfacing, applied powder warming up by said beam with provision of metal part (301) surfacing. During surfacing process performing nozzle (103) movement relative to chamber (201) in accordance with metal part (301) surfacing path, wherein by nozzle (103) displacement performing movable cover (201) movement on chamber (201) upper part (202).EFFECT: result is provision of considerable rectilinear nozzle movement, which enables to cover entire surfacing area, as well as insulation, which prevents fast gas flow from chamber, accordingly preventing part oxidation during surfacing.14 cl, 5 dwg
Device for exothermic underwater cutting // 2612353
FIELD: technological processes.SUBSTANCE: invention can be used for thermal cutting of metals and nonmetals under water and on surface in ambient conditions. System of hoses and pipelines of oxygen system main line 2 connects independent source of oxygen 1 with electrode 4 holder 3. Ignition device 5 is made in form of independent moisture proof power unit, connected by wiring 6 with electrode 4. Oxygen system has controlled oxygen reducer 8 and is equipped with flow control valve 9, operating mode tap 10 and blowdown valve 11 connected to oxygen system main line 2. Oxygen system is also equipped with quick-detachable connection assembly 12 for supply of oxygen from surface, check valves 13 and 14 and controlled check valve 15. Control panel 16 has mimic oxygen system and control members of flow control valve 9, operation mode tap 10 and blowdown valve 11.EFFECT: device provides high safety when conducting underwater exothermic cutting and ease of use.8 cl, 5 dwg

Titan steel adapter production method // 2612331
FIELD: metallurgy.SUBSTANCE: titanium-steel adapter is produced by diffusion welding under a hot isostatic pressing using intermediate copper foil inserts from the steel side and niobium foil inserts from the titanium side. The copper foil thickness to the niobium foil thickness ratio is 1.5-3.0. Copper and niobium foil is placed in a closed slot made in the steel blank with walls around the perimeter, then a part of the titanium blank is inserted into it. Hot isostatic pressing modes are selected on the condition of obtaining a diffusion-free layer in the copper interlayer with thickness of not less than 0.3 mm, and in the niobium interlayer - at least 0.15 mm. At simultaneous pressing of several blanks, the separating surfaces are pre-coated with antiadhesion coating.EFFECT: method eliminates titanium interaction with iron and copper and provides for obtaining a titanium-steel combination with full integrity, stable mechanical properties due to maintaining intermediate inserts ductility, absence of brittle intermetallic and eutectic interlayers and carbide phases.3 cl, 10 dwg, 2 tbl

Abrasive wire // 2612112
FIELD: instrument making.SUBSTANCE: invention relates to abrasive tools, intended for cutting into plates stone-like materials of high hardness (more than 8 on Mohs scale), for example, sapphire, used in production of electronic devices. Abrasive wire comprises long metal bearing base with cutting diamond layer in form of grains of working diamonds, distributed in peripheral layer attached to base. Metal bearing base is made undulating with size of working diamonds in rage of one grain fraction, that is, in diamonds of one fraction are used in making diamond wire.EFFECT: higher efficiency of cutting process and low cost thereof.1 cl, 3 dwg

ethod to manufacture bladed integrated disk of gas turbine engine from blank with defects detected during its machining // 2612108
FIELD: transportation; aviation.SUBSTANCE: method includes serial roughing machining with end cutters of upper, middle and end sections of blades and their further finishing. At the same time after roughing finishing of upper and middle sections of blades they detect defects on their surface. Sections of blades with detected defects are removed. Upper and middle sections of the blades are recovered. To recover upper and middle sections of blades at the place of their removal, a ledge is formed for blade root sections on a circular stock. A process base plate is manufactured in the form of a mount with a through cut, matching the ledge contour for blade root sections. Also a structural part is manufactured, contact plane of which is commensurate with the contact surface of the mount, and its volume complies with the volume of removed upper and middle sections of blades. With the help of electron beam bonding, the ledge for blade root sections, the mount and the structural part are connected to each other. Further roughing finishing is performed on recovered blade sections.EFFECT: invention makes it possible to expand process capabilities to manufacture a bladed integrated disk of a gas turbine engine due to elimination of defects in process of its manufacturing.5 dwg
ethod for application and laser treatment of thermal-protective coating (versions) // 2611738
FIELD: technological processes.SUBSTANCE: invention relates to gas thermal spraying coating, in particular, to methods of sputtering of heat-resistant and heat-protective coatings. Main metal thermal resistant underlayer is applied. Upper ceramic heat-shielding layer is applied, followed by laser treatment. Laser treatment is performed using a laser beam with U-like energy distribution across cross-section. Output power value and speed of scanning of laser beam is set in range of 100–6,000 W and 0.01–1 m/s. In another version, main metal thermal resistant underlayer is applied. Upper ceramic heat-shielding layer is applied, followed by laser treatment. Laser treatment is performed using a laser beam with U-like energy distribution across cross-section. Output power values and laser beam scanning rate are set in range of 100–6,000 W and 0.01–1 m/s. Laser treatment is then carried out with parameters of laser beam, corresponding to previous laser treatment to obtain a coating with given properties.EFFECT: high resistance of heat shielding coating to high temperature effects (thermal resistance and heat resistance), erosion and corrosion by fusion of upper ceramic layer.10 cl, 1 tbl, 1 ex
Flux for soldering electrodes of batteries are made from lead alloy // 2611626
FIELD: electricity.SUBSTANCE: invention can be used in the manufacture of lead-acid batteries, particularly batteries for backup power and dual purpose. The flux contains hydrobromic acid, monoethanolamine, isopropyl alcohol, N-methyl-2-pyrrolidone and adipic acid in the following ratio, wt %: N-Methyl-2-pyrrolidone 35-54, isopropyl alcohol, 5-9, 15-30, adipic acid, hydrobromic acid 40% -s 10-25, monoethanolamine 3-10. By optimally matched qualitative and quantitative content of activators and solvents flux has low volatility and environmental friendliness combined with high economic performance component consumption per unit of storage products.EFFECT: absence of corrosive reaction products after interaction with oxides of flux on the surface, eliminates the need for additional washing procedures, and brazed constructions respectively wastewater pollution.2 tbl

Laser perforating machine // 2611619
FIELD: optical system; manufacturing technology.SUBSTANCE: invention relates to laser machines for creation of perforations in filters of combined cigarettes formed of two cigarettes with double filter between them. Machine (10) comprises left-side laser beam radiating unit (28), which brings in one point laser beam (BL) supplied to right part (16R) of double filter (16) with formation of perforations (H), inclined to axis of cigarettes (12) with double filter and right-side laser beam radiating unit (30), which brings in one point laser beam (BR), incoming to left part (16L) of double filter (16) with formation of perforations (H), inclined to axis of cigarette (12), when it is located in position of perforation (PP) located on track for transportation.EFFECT: invention provides simplified design of laser perforating machine.8 cl, 12 dwg

ethod of long parts sizes stabilization // 2611616
FIELD: technological processes.SUBSTANCE: invention relates to long parts straightening by elastoplastic bending. Performing part preliminary elastic deformation. Performing part straightening with simultaneous surface plastic deformation by working tool, moving along part generatrix rotating around its central axis and providing effect on part surface from two opposite sides with equal forces. At that, forces are applied at distance: , where σt is part material yield point, MPa, W is part moment of resistance, mm3, P is working tool to part pressing force, N.EFFECT: result is elimination of residual stresses in part and provision of part surface layer hardening.1 cl, 1 dwg, 1 ex

Sealing cracks in nuclear power plant pool // 2611613
FIELD: construction.SUBSTANCE: invention relates to sealing cracks in the wall of a nuclear power plant pool, namely to a method of sealing a seam and to a mobile robot equipped with an adhesive tape juggie, which comprises a head pressing the adhesive tape to the wall. To seal a seam controlled are multiple suction systems of the robot containing suction cups, herewith the said multiple suction systems comprises the first suction system and at least the second suction system. Herewith the juggie is mechanically integrated with the first suction system made able to move relative to the second suction system in order to regulate positions of the juggie head and the adhesive tape, which is applied on the seam. Controlled is the movement of the first suction system relative to the second suction system. Herewith the adhesive tape of the juggie is applied on the seam during movement of the first suction system relative to the second suction system.EFFECT: invention allows sticking the tape in hard-to-reach places, at sharp edges and at herewith on extended sections.14 cl, 8 dwg

Circumferential welding joint of main pipe, method for fabrication of circumferential welding joint of main pipe and main pipe // 2611609
FIELD: technological processes.SUBSTANCE: group of inventions relates to a circumferential welding, a process for its fabrication and to a main pipe. End parts of steel pipes with the yield strength according to API 5L specification not lower than 555 N / mm2 are joined together. The joined parts are welded together in circumferential direction. This welding is performed using the welded materials and under welding conditions selected from the provision of ensuring the critical equivalent plastic strain εp-cri (%) of formation of viscous crack in the heat-affected zone of the base material, conforming to the formula σmatch>4,85εp-cri-0,31, where σmatch - welding strength ratio which is determined according to the expression: σmatch=(TS-w/TS-b)⋅(YS-w/YS-b), where TS-w - tensile strength of the weld metal , TS-b - tensile strength of the base material, YS-w - yield strength of the weld metal, YS-b - yield strength of the base material, while the relation YS-w/YS-b≥1,0 is fair.EFFECT: document describes the process of circular welded joints, as well as the use of this method of connection to the main pipe.5 cl, 1 dwg, 1 tbl, 7 ex

ethod of optical processing device unused optical radiation energy recovery, recovery device and optical processing device // 2611608
FIELD: lighting.SUBSTANCE: invention relates to optical processing device (1) unused optical radiation energy recovery method, containing, at least, one light source, in particular, laser radiation source (2) or light source with plurality of light-emitting diodes, optical processing unit (1) for workpiece processing (5) (versions) and recovery device. Method includes stages of: light source actuation, exposure of, at least, one workpiece (5) to electromagnetic radiation (4) for its processing, trapping by recovery device (6, 6a, 6b) radiation trap (7) of, at least, part of electromagnetic radiation (4') not used in workpiece (5) processing, conversion of, at least, part of electromagnetic radiation (4') energy, captured by trap (7), into electric energy (14). Recovery device (6, 6a, 6b) contains radiation trap (7) with cavity (70) and, at least, with one light input opening (71) for electromagnetic radiation (4') input into cavity (70). Recovery device (6, 6a, 6b) absorbents (9) are located inside radiation trap (7) cavity (70) and made with possibility to absorb, at least, part of electromagnetic radiation (4') entering into cavity (70), convert it into thermal energy and heat fluid coolant (12). Thermal engine (10), in particular, steam turbine or Stirling engine, in to which fluid coolant (12) is supplied, is made with possibility of conversion of, at least, part of fluid heat carrier (12) heat energy into mechanical energy (13). Generator (11) is connected with heat engine (10) and made with possibility of conversion of, at least, part of mechanical energy (13) into electric energy (14).EFFECT: recovery of optical processing device unused optical radiation energy.26 cl, 5 dwg

Teeth turning device // 2611584
FIELD: tools.SUBSTANCE: invention relates to teeth turning methods. Method envisages following operations, preceding to direct teeth turning: rotation of teeth turning tool about first axis of rotation, conjugated workpiece rotation about second axis of rotation, performing tool radial feed motion in workpiece direction for its first time introduction into contact with product and performing tool in-feed from moment of first contact downwards to specified depth during radial cut-in motion in processed product direction, wherein at least during in-feed two axes of rotation are located at inclination relative to each other.EFFECT: invention is aimed at improvement of teeth turning process efficiency.8 cl, 18 dwg, 3 tbl

Drilling crown, primarily for structural concrete // 2611460
FIELD: technological processes.SUBSTANCE: invention relates to materials drilling and can be used for non-impact or impact drilling of reinforced concrete or other reinforced materials. Drill crown comprises shank, drilling sleeve having bottom and shell, and, at least, two teeth arranged on shell free annular end face, each tooth projects in supply direction above drilling sleeve shell end face. At that, on drilling sleeve shell end face before each tooth in direction of rotation baffle plate is arranged, intended for protection of next tooth front surface facing forward in direction of rotation, against collision with reinforcement rod, available in reinforced concrete or other reinforced material.EFFECT: providing drilling tool free movement in reinforcement location area.15 cl, 16 dwg

ethod of combining diamond monocrystal with metals // 2611254
FIELD: metallurgy.SUBSTANCE: method includes plasticizing hard-alloy powder mixture, filling the metal mold with the end charge, compressing the charge to briquettes, laying diamond monocrystal onto the briquette surface and sintering the briquette with the diamond monocrystal soaked in low-melting metal or an alloy in the upward direction. Herein a layer of plasticized fine chrome powder with the thickness of 0.3-2 mm is formed on the end of the briquette, diamond laying is produced on top of the finished layer of plasticized fine chrome powder on the briquette end surface, and the briquette sintering is conducted at the temperature not higher than 1100 °C with the holding time of not greater than 5 minutes.EFFECT: increased strength and reliability of the compound of diamond monocrystal with the tool metal base.2 cl, 1 dwg
Flexible production module for guide bushings and valves seats installation // 2611233
FIELD: machine building.SUBSTANCE: invention relates to assembly production and can be used in designs of corresponding flexible production modules. Module comprises first section (4) for loading and unloading of cylinder block head (9) and for loading of guide bushings (13) and seats (12), into upper mandrel (11) and lower mandrel (10), respectively, second section (5) for pressing-in of guide bushings (13) and seats (12) into cylinders block head (9), rotary table (6), containing first (8) and second (8΄) supporting devices for cylinders block head (9) supporting, first manipulator (7), at least, one pressing-in head (21), provided for press-fitted seats (12) installation and guide bushings (13) in (9) cylinders block head in second section (5).EFFECT: using of invention increases assembly process efficiency.15 cl, 13 dwg

ethod for applying mark onto surface of diamond or cut diamond to determine its authenticity // 2611232
FIELD: security.SUBSTANCE: invention relates to a method of authenticating an article in the form of a diamond or a cut diamond. Identification mark invisible with the naked eye is applied onto a diamond or a cut diamond by exposure to a laser radiation with a wavelength exceeding 500 nm with simultaneous affecting by ultrasound using a tool located on the section surface. After that saved are at least two interference images of the article identification mark by means of a probing radiation with waves of different lengths together with data on location of a certain section of the article and an angle of incidence of the probing radiation. Determination of authenticity and correspondence to the saved values is carried out by directing the probing radiation onto the said section to create at least two interference images of the identification mark, which then are compared with the saved interference images, matching of which denotes the mark authenticity.EFFECT: technical result is ensuring uniqueness of the mark, protection from counterfeiting and reliable identification during authentication.4 cl, 2 dwg, 2 ex

etal cutting machine tool // 2611230
FIELD: machine building.SUBSTANCE: invention relates to machine-tool industry and can be used in designs of metal cutting machines. Machine tool comprises at least two satellites units (11), each of which includes processed parts satellite (12), wherein said processed parts satellites units (11) rest on corresponding satellites supports (1) with possibility of horizontal displacement in first direction, parallel to horizontal axis Z. At least first tool holder (21) is placed on tool holders support (2) with possibility of horizontal displacement in second direction between at least one working position (A), in which said first tool holder (21) is directed to one of said processed parts satellites units (11), and at least one non-working position, whereat said first tool holder (21) is not facing any satellite unit (11) for processed parts.EFFECT: using invention enables to simplify machine tool reconfiguration process.20 cl, 12 dwg

Circular cutting plate and modular cutter // 2611184
FIELD: machine engineering.SUBSTANCE: radial grooves are made in the side surface of the circular cutting plate central hole. Each groove includes the communicating parts, disposed on the cylindrical and conical sections of the central hole and the lower support surface. On the lower backrest of the modular cutter holder receptor, the recess with cylindrical side surfaces is performed with the hole for coolant supply, and the surfaces are coaxial with the axis of the central hole of circular cutting plate during its installation and fastening in the holder receptor, at that the central angle of the recesses in relation to the axis of the central hole of the cutting plate is more than the central angle between cutting plate, located at the lower support surface and the parts of two adjacent radial grooves.EFFECT: increase of coolants supply efficiency.2 cl, 7 dwg

Gear-shaping tool // 2611002
FIELD: instrument making.SUBSTANCE: gear-shaping tool comprises a prismatic body with a clamping part in the form of a wedge with threaded attachment holes, on one of the working ends of which there is a replaceable bicuspidate hard-alloy plate fixed, and on the other one – a bicuspidate plate on a hard-alloy basis with cutting elements. To expand technological capabilities the said cutting elements of the plate on a hard-alloy basis are L-shaped, herewith on one vertex there is an element from polycrystalline diamond, and on the other vertex there is an element from polycrystalline boron nitride.EFFECT: expanded performances.1 cl, 4 dwg

ethod for recovery of wear-out of side surfaces of splines // 2611000
FIELD: technological processes.SUBSTANCE: invention relates to recovery of worn-out side surfaces of splines. Performed are heating and distributing side surfaces of splines by an electrode-tool for electromechanical processing moving along the spline through its surface. Deformation of metal to the side of wear-out of the splines side surfaces is limited by a calibrated plate made able to change its dimensions as to the width of the spline slot.EFFECT: as the result provided are simultaneous recovery and strengthening of side surfaces of splines.1 cl, 1 dwg
ethod of increasing strength properties of welded joints made by friction welding with mixing // 2610996
FIELD: technological processes.SUBSTANCE: invention can be used to improve technological and operational characteristics of welded structures and complex parts made from thermally strengthened aluminium alloys obtained by friction welding with mixing, in particular, in making various structures for automotive industry, for example, for production of automotive wheel discs. First postwelding thermal treatment is performed to a solid solution with holding in the furnace at the temperature from 450 to 580 °C for 30–60 minutes with subsequent quenching in water. Then postwelding artificial ageing is performed within the temperature range from 160–205 °C for 1–18 hours.EFFECT: method enables to obtain welded structures from thermally strengthened aluminium alloys with high mechanical properties and an adhesion coefficient close to the level of the main material.1 cl, 1 tbl

Clamping device // 2610994
FIELD: machine building.SUBSTANCE: invention relates to processed parts clamping devices. Clamping device (10) includes housing (12) and drive unit (14), having piston (32) moving in axial direction as result of fluid medium supply under pressure. On housing (12) clamping lever (16) is installed, supported with possibility of free turning. Piston rod (34) in drive unit (14) is connected with possibility of mounting/dismantling relative to moving force transfer mechanism (18) movable part (58), installed inside housing (12). Due to piston rod (34) connecting element (54) extraction from movable part (58) coupling element (64) drive unit (14) and moving force transfer mechanism (18) are output from one with another connection state.EFFECT: invention usage allows to simplify drive unit replacement for possible clamping force changing.10 cl, 10 dwg

Segment of flexible cutting element and method of making same // 2610993
FIELD: metallurgy.SUBSTANCE: invention relates to production of segments of flexible cutting elements made in form of chain links, containing at least one cutter support element and cutting element. Initial material is obtained by mixing at least one powder which is a metal or ceramic powder with at least one binder. Initial material is given the shape of segment of flexible cutting element, wherein cutter support element and cutting element are made integral with each other. Segment of flexible cutting element is sintered.EFFECT: obtaining with high hardness and wear resistant segments of flexible cutting elements made of different materials.9 cl, 14 dwg
ethod of rail bar connection with recovery of continuous welded rail operating temperture at low temperatures // 2610761
FIELD: construction.SUBSTANCE: invention relates to construction of track and may be used in the repair or continuous welded rail laying. For rail bar connection with the recovery of continuous welded rail operating temperature at low temperatures ends of adjacent rail bars are welded with a traction device. Necessary clearance is determined before the calculation of bars tension. After thermite welding the part of the rail bar determined by calculation is detached at both ends of the weld joint. Ram down sleepers and fix rails on them. On both sides of the tensioning device in a calculated rail length before welding detach, heat and bent to the calculated value. After rails cooling and the reaching of the necessary strength by the welded joint the heating is stopped, and the curved areas of the rails are straightened.EFFECT: possibility of withdrawing the excess longitudinal force in the tensioner is achieved.
 
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