Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21H - Making particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls › B21H 1 - Making articles shaped as bodies of revolution
Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244)
01/2013
01/16/2013EP2545232A1 Method and device for producing conical pipe sections in helical foundations
01/16/2013CN102873511A Method for radially rolling and forming ring piece with three steps and complicated section
01/09/2013CN202655527U Double-intermediate-shaft symmetric cross wedge rolling die
01/09/2013CN102861843A Device and process for nonsymmetrical irregular section ring rolling
01/09/2013CN102861842A Multi-station ring rolling machine
01/09/2013CN102861841A Experiment test device and experiment test method of radial-axial ring rolling
01/09/2013CN102861840A Three-roll cross rolling forming method for asymmetrical duel-step revolving body parts
01/08/2013DE202012011628U1 Vorrichtung zum Entgraten von vorzugsweise runden Werkstücken aus Metall, insbesondere Leichtmetallfelgen Apparatus for deburring preferably round metal workpieces, particularly alloy wheels
01/03/2013WO2013002041A1 Spinning processing method and rotor shaft
01/03/2013WO2012151385A3 Forging of an annular article with electric induction heating
01/02/2013EP2540409A1 Method for transverse rolling of ball products, in particular out of scrap railway rail heads, using flat tools
01/02/2013CN202639171U Expanding-grinding downward pre-forming die for automatic resetting multi-step annular piece
01/02/2013CN202638873U Supporting seat for cold ring rolling machine
01/02/2013CN102847858A Special ring inlaying tool for asymmetrical irregular section ring rolling
01/02/2013CN102847857A Special tool locking device for asymmetrical irregular section ring rolling
01/02/2013CN102847856A Rolling reaming device and processing method using same
12/2012
12/26/2012EP2537605A1 Method for transverse rolling of ball products, in particular out of scrap railway rail heads
12/26/2012CN202621784U Ring rolling forming die for automobile gearbox gear sleeve blank
12/26/2012CN102836937A Symmetrical composite roll forming method of external step ring with thick wall and small hole
12/26/2012CN102228946B Rocking head for rocking-milling machine
12/20/2012DE102011102848A1 Method for manufacturing wheel center of light metal vehicle wheel, involves forming final contour of wheel center by rolling blank against rotating die using roller tool
12/20/2012DE102011077738A1 Wälzlagerring Roller bearing ring
12/19/2012EP2533919A1 Method of forming anchor bolts
12/19/2012CN202606757U Cold rolling machine tool
12/19/2012CN102825183A Bearing forging spreading roller with front support
12/12/2012CN202591494U Ring rolling machine of bearing ring blank
12/12/2012CN102814435A Method for roll forming spline shaft by medium-frequency and high-frequency sensing heating
12/12/2012CN102814434A Method for axially feeding, extruding, rolling and forming spline shaft by medium-frequency and high-frequency sensing heating
12/06/2012US20120304723 Method of manufacturing a wheel rim for a vehicle
12/05/2012CN202571114U Main slide block control device for cold rolling machines
12/05/2012CN202570975U Machining cutter of thin-walled rotating body part, fixture device and spinning machine or gear hobbing machine
12/05/2012CN102039360B Safe, airtight and low-noise feeding equipment of copper balls during skew rolling
11/2012
11/28/2012CN202555739U Ring rolling device for high-neck stepped annular piece
11/28/2012CN202555738U Railway axle three-wheeled rotary rolling device
11/28/2012CN102382954B On-line continuous quenching device for skew-rolled ball-milled steel balls
11/28/2012CN102085555B Roll forming method of TC25 titanium alloy thin-walled ring forging
11/28/2012CN102085554B Roll-forming method of 0Cr12 stainless steel thin-wall ring piece
11/21/2012CN202539435U Cold rolling machine frame
11/21/2012CN102788154A Integrated hydraulic tappet plunger and integral roller forming method thereof
11/14/2012CN202527634U Equipment for rolling and forming seamless thin-walled ring parts
11/14/2012CN102773673A Ring rolling forming process of square-exterior circular-interior forge piece
11/14/2012CN102773386A Method for manufacturing outer ring, and method for manufacturing inner ring of bearing
11/14/2012CN102205384B Special-shape ring rolling machine
11/14/2012CN101623703B Continuous roll and platen type cross wedge rolling machine
11/08/2012WO2012151385A2 Forging of an annular article with electric induction heating
11/07/2012CN202516988U Roller of ring rolling machine for rolling internal step section ring piece
11/07/2012CN202516987U Axial rolling device of large-scale ring rolling mill
11/07/2012CN102125973B Rolling and molding method for stainless steel high-cylinder ring forging
11/07/2012CN102125972B Method for rolling and shaping structural steel high cylindrical ring forged piece
11/06/2012US8302314 Method for producing internally or externally profiled rings and arrangement therefor
10/2012
10/31/2012DE102006026043B4 Vorrichtung Device
10/31/2012CN102756061A Edge-eliminating roll extruder for wind turbine bearing retainer
10/24/2012CN202498180U Cantilever type tri-axial roller machine
10/24/2012CN102753281A Method of forming anchor bolts
10/24/2012CN102744341A Method for designing feeding speed of cold rolling for profiled ring piece
10/17/2012CN202490905U Flange roller device having lifting-type mandrel
10/17/2012CN102728753A External concave annular forging piece tool of engineering machine
10/10/2012CN102717013A Double-intermediate shaft symmetrical cross wedge rolling mold and rolling method thereof
10/10/2012CN102717012A Efficient precise closed loop mill
10/10/2012CN102091750B Ball forming mechanism of steel ball rolling mill with quickly assembled ball rolling rollers
10/10/2012CN101780512B Flange processing method
10/03/2012CN202461380U Axial rolling device of large-size ring rolling mill
10/03/2012CN202461379U Radial rolling device of radial-axial ring rolling machine
10/03/2012CN202461378U Flange ring rolling mill main roller fixing structure
10/03/2012CN202461377U Rolling mill for multipurpose flange ring
10/03/2012CN202461376U Three-time wedging mold of intermediate gear shaft blank for automobile gearbox
10/03/2012CN202461112U Main roller device for large ring rolling machine
10/03/2012CN102699636A Liquid die-forging and rolling composite forming method for 6082 aluminum alloy special-section large ring piece
10/03/2012CN102699635A Liquid die-forging and rolling composite forming method for bearing ring piece
10/03/2012CN102699634A Liquid die-forging and rolling composite forming method for die steel special-section large ring piece
10/03/2012CN102699260A Tool of bearing sleeve forge piece with semispherical section
10/03/2012CN102029341B Roll-forming method for 15CrMo steel thin-wall ring member
09/2012
09/27/2012DE102005027259B4 Verfahren zur Herstellung von metallischen Bauteilen durch Halbwarm-Umformung Process for the preparation of metal components by semi-hot-forming
09/26/2012CN202447385U Axial locating mechanism of flange ring horizontal mill
09/26/2012CN102689162A Liquid die forging and rolling compound formation method for 7050 aluminum alloy irregular-section large ring piece
09/26/2012CN102689161A Liquid die-forging and rolling combined forming method for 7075 aluminum alloy irregular-section large-size annular piece
09/26/2012CN102689160A Liquid die forging rolling compound forming method for 2A70 aluminium alloy large ring member with different cross sections
09/26/2012CN102689159A Liquid die forging and rolling compound formation method for 6061 aluminum alloy irregular-section large ring piece
09/26/2012CN102689158A Liquid forging and rolling composite molding method of nickel-base superalloy hetero-cross-section large ring piece
09/26/2012CN102689157A Liquid forging and rolling composite forming method of copper alloy special-cross-section annular piece
09/26/2012CN102689156A GH4169 high-temperature alloy special-cross-section large annular piece liquid forging and rolling composite forming method
09/26/2012CN102689155A Liquid die forging and rolling compound formation method for aluminum alloy irregular-section large ring piece
09/26/2012CN102689154A Liquid die forging and rolling compound formation method for stainless steel irregular-section large ring piece
09/26/2012CN102689153A Liquid die forging/rolling composite forming method for magnesium alloy irregular-section large-size ring piece
09/26/2012CN102689152A Liquid die forging rolling compound forming method for 2014 aluminium alloy large ring member with different cross sections
09/26/2012CN102689151A Liquid die forging and rolling compound formation method for GH4033 high-temperature alloy irregular-section large ring piece
09/26/2012CN102688962A Symmetric rolling forming method of large inner-step ring parts
09/26/2012CN101972778B Method for determining stable formation domain for radial-axial ring rolling
09/26/2012CN101323005B Accurate thermoforming rubbing-grinding machine for processing shaft products
09/19/2012CN202438646U External concave ring forging assembly for engineering machinery
09/19/2012CN202438645U Tool for concave ring forge piece of tire mold
09/19/2012CN202438644U Tool for annular forging with L-shaped outer step section
09/19/2012CN202438643U Numerically controlled ring rolling machine for flange
09/19/2012CN202438642U Rolling device for annular parts
09/19/2012CN202438553U Output shaft structure of numerically controlled flange ring rolling mill
09/19/2012CN202438552U Transmission shaft structure for flange ring rolling mill
09/19/2012CN202438545U Conical roller die for large-size flange ring rolling mill
09/19/2012CN102672084A Cold rolling machine tool
09/19/2012CN102672083A Design method for high-temperature alloy ring preforming blank with tapered section
09/19/2012CN102085550B Rolling molding method for nickel-based high-temperature alloy high cylindrical ring forged piece
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