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WO/2021/238307A1 |
Disclosed is a precision forming die for the warm forging of a straight bevel gear, the precision forming die comprising: a rough forging die formed by an upper gear die (1) and a lower cavity die (8) fitted with each other, and a precis...
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WO/2021/239486A1 |
The invention relates to a method for producing a jointed shaft component (1) which can be directly or indirectly connected, via a functional surface, to an additional jointed shaft component in order to form a universal joint, in partic...
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WO/2021/237815A1 |
A steel piston forging die, comprising two relatively independent dies, namely a pre-forging die and a finish-forging die. The pre-forging die consists of a pre-forging upper die (1) and a pre-forging lower die (2); the finish-forging di...
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WO/2021/234188A1 |
The present invention relates to a method and a system for forging a main shaft of a wind turbine, and more specifically to a method which enables the main shaft of a wind turbine to be manufactured by means of a backward extrusion proce...
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WO/2021/219497A1 |
The invention relates to a shaft (1) having a central axis (2) and a fitting section (3) for forming an interlocking shaft/hub connection, wherein the fitting section (3) has radially projecting fitting structures (4) and a chamfer (6) f...
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WO/2021/213860A1 |
The invention relates to a method for producing a large component of a vehicle body by way of integral construction, wherein the large component is constructed from a plurality of lightweight metal profiles (1) which are non-releasably c...
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WO/2021/209372A1 |
Method for manufacturing an aircraft door having a monolithic structure, comprising the following steps: - producing a forged blank (7); - die-cutting the forged blank (7) between a substantially smooth lower die (8) and an upper die (9)...
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WO/2021/199190A1 |
This method is for manufacturing an engine poppet valve having an umbrella part and a shaft part integrated via a neck part the diameter of which increases toward the tip. The method comprises: an umbrella part manufacturing step for for...
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WO/2021/196683A1 |
A steel ball forging production method, comprising: S1: preparing a steel bar blank (12); S2: forging the steel bar blank in three directions of a three-dimensional space to obtain a steel ball, the three directions being perpendicular t...
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WO/2021/191850A1 |
An apparatus for thickening brim portions in an inner surface of a tube is disclosed. The apparatus includes a first support member, that is configured to rigidly support an outer surface along its length. The apparatus further includes ...
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WO/2021/186386A1 |
The present disclosure discloses a mandrel assembly (100) for thickening brim portion (202) in an inner surface (201) of a tube (200), particularly tubes that may be used in components of an automobile. The mandrel assembly (100) include...
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WO/2021/180608A1 |
The present invention relates to a method for manufacturing a steering shaft part (10) of a steering shaft (1) for a motor vehicle, which steering shaft part has a tubular steering shaft portion (2) extending from an end (41) in a longit...
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WO/2021/163792A1 |
A new method of manufacturing a torque-transmitting component is provided. The method includes providing a flat blank to a transfer press having a plurality of stations and performing a plurality of pressing operations, in which the flat...
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WO/2021/156791A1 |
A process for producing bearing ring blanks, or gearwheel ring blanks or tubular connection-member blanks, comprises the steps of: • a) providing a steel tube; • b) dividing the tube into a plurality of slugs (30, 30') each having an...
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WO/2021/116086A1 |
The invention relates to a method for manufacturing a compressor blade of a turbomachine, comprising the following steps: determining the residual deformation and/or stresses of the part during and after each operation of the manufacturi...
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WO/2021/110327A1 |
Parking detent pawls are known which are suitable for securely holding a vehicle in a parked state. The aim of the invention is to provide a detent pawl for a parking lock which is characterized by a high degree of operational reliabilit...
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WO/2021/110838A1 |
Parking detent pawls are known which are suitable for securely holding a vehicle in a parked state. The aim of the invention is to provide a detent pawl for a parking lock which is characterized by a high degree of operational reliabilit...
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WO/2021/110657A1 |
A method of manufacturing a drill is disclosed, which comprises providing an elongate element (10) defining a longitudinal direction and having, in the longitudinal direction, a front end, an intermediate section (40), and a rear end opp...
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WO/2021/104688A1 |
The present invention relates to a method for shaping a hollow valve preform by means of a tension rod (20) having a texturing head (22), which is inserted into the cavity (56) of a shaft portion (44) of a valve preform, the texturing he...
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WO/2021/090799A1 |
Provided is a crankshaft that has exceptional fatigue strength and machinability. The crankshaft has a pin and a journal, the crankshaft being such that: the chemical composition thereof includes, in terms of mass%, 0.40-0.60% of C, 0.01...
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WO/2021/085627A1 |
An aluminum alloy bolt having a central axis C and comprising: a head portion; an underneck portion extending downward from the head portion; an underneck radiused portion formed between the head portion and the underneck portion, the un...
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WO/2021/069001A1 |
The invention relates to a method for creating elevations (21) in a workpiece (1) by forming techniques. In a first step, depressions (11, 12) are created, with dimensions that differ from dimensions of depressions (20) to be created bet...
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WO/2021/069961A1 |
A method and a plant for manufacturing fasteners (F), in particular screws, along an automated production line (L); the method comprising the following steps: feeding the raw material (M) made of titanium; heating the raw material (M) to...
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WO/2021/047277A1 |
A method of preparing a non-quenched and tempered steel, wherein a bar is subjected to initial rolling, water cooling, precision rolling, water cooling and finish rolling, the rolling heating temperature is 1150-1200°C, the initial roll...
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WO/2021/048246A1 |
The invention relates to a stretch rolling device (1) and to a stretch rolling method for the pressure forming of workpieces (W) by rolling. The stretch rolling device (1) comprises: a working roller pair having two rollers (10), which c...
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WO/2021/040644A1 |
The invention is related to a race cooling system that lowers the temperature of bearing races to room temperature by cooling them with air in order to periodically measure and control bearing races that have been forged at an approximat...
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WO/2021/038193A1 |
Method and means of manufacturing ties, fasteners and rods (15) having a plurality of longitudinal threads by forcing a coil of roll-profiled feed-wire made of steel (11) through a twisting-die made of plastic (1). Also described is: a t...
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WO/2021/033711A1 |
[Problem] To provide a method which is for manufacturing a hub unit bearing and which can curb manufacturing cost. [Solution] A circumferential-direction portion of a machining surface part 36 that has a projected curved shape having a l...
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WO/2021/030746A1 |
A centerless ball element machining system comprises a rotatable upper wheel comprising an upper base and a upper ball raceway, the upper wheel configured to be rotatably disposed on the upper wheel axis, the upper ball raceway comprisin...
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WO/2021/019500A1 |
A screw bit body which allows for efficient torque force application onto a socket fastener. The screw bit body includes a plurality of laterally-bracing sidewalls, a first base, and a second base. The laterally-bracing sidewalls are rad...
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WO/2021/009543A1 |
Method for producing a steel part comprising: - providing a semi-finished product made of a steel comprising, by weight: 0.35% ≤ C ≤ 0.60% 0.15% ≤ Si ≤ 0.5% 0.8% ≤ Mn ≤ 2.0% 0.0003% ≤ B ≤ 0.01% 0.003% ≤ Mo ≤ 1.0%.0% â...
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WO/2021/009705A1 |
Method for producing a steel part comprising: - providing a semi-finished product made of a steel comprising, by weight: 0.35% ≤ C ≤ 0.60% 0.15% ≤ Si ≤ 0.5% 0.8% ≤ Mn ≤ 2.0% 0.0003% ≤ B ≤ 0.01% 0.003% ≤ Mo ≤ 1.0% 1.0%...
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WO/2021/004623A1 |
A method for manufacturing a wheel element (1 ) for a vehicle is described. The method comprises polishing by pressure of at least one predetermined surface portion (3) extending on one side of the wheel element (1) by means of a polishi...
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WO/2020/260805A1 |
The invention relates to a metal core (20) for high-temperature shaping of a metal part made of titanium-based alloy. The metal core (20) has a layer of material enriched in metal carbonitride on an outer surface (23) intended to come in...
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WO/2020/260404A1 |
The present invention relates to a fastening unit for fastening to a workpiece, comprising a rivet element and a reshaping element coupled to the rivet element and movable relative thereto, the rivet element having a rivet portion and th...
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WO/2020/254011A1 |
The invention relates to a method for producing a sealing screw or sealing screw blank (3), comprising a method step in which a blank (3) having a cylindrical shank (5) integrally formed on a screw head (4) is created, and wherein a bind...
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WO/2020/254033A1 |
The invention relates to the production of profiled hose nipples. The problem addressed by the invention is that of creating a method and a device with which hose nipples of the type described at the outset can be produced in a simple ma...
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WO/2020/252843A1 |
A bevel gear tooth surface point-to-point modification method suitable for a forging process, comprising the following steps: step 1: establishing a straight bevel gear theory 3D model; step 2: planning a measurement path on a tooth surf...
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WO/2020/240997A1 |
The present disclosure relates to a structure (200) for electrically-connecting an external conductor (202). The structure comprises a wiring-substrate (204) comprising a stack based arrangement of a plurality of layers, wherein said lay...
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WO/2020/243476A1 |
The present invention discloses a extrusion forming method and a forming apparatus for manufacturing a self-clinching rivet, wherein the forming method comprises: upset-extruding a first end of a wire blank to shape it into a material pu...
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WO/2020/235203A1 |
This TiAl alloy production method comprises: a casting step in which a TiAl alloy starting material is melted and casted, the TiAl alloy starting material containing 42 at% to 45 at% Al, 3 at% to 6 at% Nb, 3 at% to 6 at% V, and 0.1 at% t...
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WO/2020/235202A1 |
A TiAl alloy material (10) for hot forging comprises: a TiAl alloy substrate (12) formed from a TiAl alloy which contains 42 at% to 45 at% Al, 3 at% to 6 at% Nb, 3 at% to 6 at% V, and 0.1 at% to 0.3 at% B, with the remainder comprising T...
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WO/2020/229682A1 |
The invention relates to a spray head (SK) for the cooling lubrication of a lower die (UG) and/or an upper die (OG) of a forming machine (UM), the spray head (SK) being able to be introduced between two working strokes into a working cha...
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WO/2020/229926A1 |
The present disclosure provides an improved screw and method of manufacturing thereof. The method comprising the steps of manufacturing 101 the screw body by cold forging process using ferrous alloy, making 102 a hole 301 on the screw he...
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WO/2020/218377A1 |
This precision forging method includes disposing a metal material (10) in a die hole 22 so that the tip surface of a peripheral wall (14) of the metal material (10) faces a stopper (24) and a bottom section (12) of the metal material (10...
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WO/2020/217916A1 |
The objective of the present invention is to provide a forging device and a method for manufacturing a forged product in which a decrease in the temperature of a forging space and the temperature of forging stock is prevented, uniformity...
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WO/2020/212813A1 |
Machine for machining, in particular press-forming, wire-like material (1, 1a), comprising: a vertically extending frame comprising two half-frames (10,20) arranged opposite each other in the vertical direction (Z-Z), so as to form an in...
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WO/2020/214473A1 |
A flanged tube assembly includes a rigid tube (10) and a sleeve (12) disposed about an axial end portion of the tube. The axial end portion (18) of the tube (10) includes a flange portion (24) that is formed by the tube wall (36) being r...
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WO/2020/209321A1 |
While applying a radially outward processing force to a part in a circumferential direction of a cylindrical portion (25) of a hub body (21), the position at which the processing force is applied is varied continuously with respect to th...
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WO/2020/210045A1 |
A method of carburizing a powder metal part involving more than one carburizing step. In a pre-forging carburizing step, a powder metal part that is less than fully dense is carburized to establish a pre-forging carburization profile. Af...
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