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A rolling mill (16) with a system for applying a liquid lubricant to first and second components (30, 36, 38, 42, 44) enclosed in a housing (24), with the lubricant applied to said second components (44) being exposed to contamination by a liquid coolant applied to the exterior of said housing (24), and with a lubri...

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In a continuous rolling mill in which discrete billets are rolled through a plurality of roll stands arranged along a mill pass line to produce successive product lengths having reduced cross section areas, the successive product lengths having front and tail ends, a method of joining the tail end of a first product...

A MULTI-STAND BLOCK FOR A ROLLING MILL

ROLLING MILL FINISHING SECTION

A disposable garment for wearing about a torso of a wearer's body having a chassis with a front portion and a rear portion; said front portion comprising a polymeric material and having a front waistband, an end edge, a first longitudinal edge, a second longitudinal edge, an inner surface facing the wearer's body, a...

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A modular rolling mill comprises a plurality of rolling units having work rolls configured and arranged to progressively reduce the cross sectional area of a product received along a mill pass line. Gear units are mechanically coupled to each rolling unit, with each gear unit in turn being mechanically coupled to a ...

Accumulators are interposed between an initial mill section having an elevated first production rate and each of a plurality of different outlet mill sections having lower second production rates. Each accumulator is constructed and arranged to receive intermediate products from the initial mill section at its eleva...

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A method is disclosed for controlling the speed of a curved rotatably driven laying pipe through which a longitudinally moving product is directed to exit from the delivery end of the pipe as a helical formation of rings. The method comprises determining the maximum and minimum internal radii Rmax, Rmin of the pipe ...

A rolling mill roll stand comprises parallel roll shafts rotatably supported by axially spaced First and second bearings contained in parallel eccentric sleeves. The eccentric sleeves arc rotatably supported in a housing and the roll shafts have cantilevered ends that project externally from one side of the housing ...

A method and apparatus is disclosed for decelerating and temporarily accumulating a hot rolled product moving longitudinally along a receiving axis at a first velocity V1. The product is directed through a curved guide having an entry end aligned with the receiving axis to receive the product, and an exit end spaced...

In a system for subdividing hot rolled product lengths being delivered from a rolling mill along a first path, a first switch acts in concert with a first shear to subdivide each product length traveling along the first path into successive segments including a front end segment, a plurality of intermediate segments...

A system and method are disclosed for separating and recovering short bars from full length bars in a rolling mill. The bars are initially conveyed on a run-out roller table from a shear to a transfer station where they are accumulated in a layer. The layer is transferred laterally from the transfer station onto a s...

A circular flexible seal body has a flange 40 extending outward in the radial direction. A sealing lip 48 extending at an angle is connected to the flange 40 via a hinge 50. The hinge 50 is thinner in thickness than the flange 40 and the lip 48. The lip 48 has two side faces 48a and 48b which gradually approach to...

An oil film bearing is seated on the tapered neck of a rolling mill roll by a hydraulically actuated piston/cylinder unit.  The pistonunit is axially confined by externally threaded locking arms seated in a groove in the roll neck.  A locknut is threaded onto the locking arms.

Apparatus for decelerating a hot rolled product moving longitudinally along an axis (A) at a first velocity V1, said apparatus comprising: a first guide (26,28) having an entry end (26a) aligned with said axis to receive said product, and having an exit end (28b) spaced radially from said axis; a cylindrical drum ...

A modular rolling mill comprises a plurality of separate rolling units arranged," along a mill pass line. Each rolling unit includes at least two pairs of work rolls defining oval and round roll passes and carried on roll shafts that are staggered 90° with respect to each other. The rolling units contain intermediat...

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A bushing for rotatably supporting the journal surface of a roll neck in a rolling mill, said bushing comprising: a cylindrical wall having an inner bearing surface configured and dimensioned to surround said journal surface; a primary recess in said bearing surface into which oil is admitted to serve as a lubrica...

A method of processing different sized long products delivered from a rolling mill, comprising forming products within a first range of sizes into helical formations of rings having a first diameter, and alternatively forming products within a second range of sizes larger than the largest product size within said fi...

A method and system for bundling long ferrous products comprises a roller table for delivering the products longitudinally to a receiving station. A cradle is spaced laterally from the receiving station and is constructed and arranged to receive and accumulate the products in bundle form. A stacker is positioned bet...

A method of at least partially filling a keyway in the metal sleeve of a rolling mill oil film bearing comprises machining a pocket into the keyway. A metal key is provided with a shape complimentary to that of the pocket, with at least one exterior dimension of the key exceeding a respective internal dimension of t...

In a system for subdividing hot rolled product lengths being delivered from a rolling mill along a first path, a first switch acts in concert with a first shear to subdivide each product length traveling along the first path into successive segments including a front end segment, a plurality of intermediate segments...

In a rolling mill oil film bearing in which a bushing is fixed within a chock, the bushing has an internal bearing surface surrounding a rotating journal surface of a roll, oil is introduced into a gap between the journal and bearing surfaces, and the thus introduced oil is rotatably propelled by the rotating journa...

A billet is initially rolled into a process section having at least first and second segments joined by an intermediate web, with the cross-sectional area of the second segment being larger than that of the first segment. The intermediate web is slit to separate the first and second segments, and the thus separated ...

A guide for directing a hot rolled product along a path in a rolling rmll comprising at least one annular roller arranged to contact the product. The roller is rotatably supported on a shaft by bearings defining an axial gap therebetween. Fluid is delivered 5 under pressure into the gap and internal vanes respo...

A method is disclosed for subdividing and decelerating a hot rolled long product advancing along a delivery path from a rolling mill to a cooling bed. The method comprises: (a) arranging a shear and a decelerator in succession along the deli very path, with    the decelerator comprising a set of driven pinch rolls...

A product handling system comprises a support structure defining a pair of stationary inverted first channels with downwardly facing open sides. At least one cylindrical drum is interposed between each of the first channels and an underlying receiver. The drums are rotatable about their axes, with their surfaces arr...

APPARATUS FOR APPLYING A FLUID COOLANT TO THE SURFACE OF ROTATING WORK ROLL IN A ROLLING MILL

A method of temporarily interrupting the passage of a long product between upstream and downstream paths in a rolling mill, comprising: delivering product passing along said upstream path onto a cylindrical drum; rotating said drum in one direction to accumulate said product thereon in a series of windings; re...

This invention relates generally to rolling mills in which billets are continuously hot rolled into long products, and is concerned in particular with a method and apparatus for temporarily interrupting the passage of such products between upstream and downstream paths within the mill.

In an oil film for a roll in a rolling mill, the roll has a neck with a tapared section leading from a roll end face to a reduced diameter section rotatably supported in a non-rotating bearing chock. The chock is spaced axially from the roll end face to define a circular gap between.A circular seal assembly spans th...

A turndown apparatus has first and second guide rollers arranged respectively along the inside and outside of a curved path along which bendable products such as bars, rods and the like move at high speeds. The guide rollers coact hi pairs to define gaps spaced along the curved path, and a mechanism is provided for ...

An apparatus is disclosed for subdividing an elongated product moving axially along a pass line. The apparatus comprises at least one pair of rotatably driven slitting discs arranged in a coplanar relationship on opposite sides of the pass line, with their rotational axes being offset one from the other in the direc...

A laying head forms hot rolled steel rod into a continuous series of rings. The rings are received on a conveyor for transport in an overlapping pattern through at least one cooling zone. The ring density of the overlapping pattern is greater along edge regions of the conveyor as compared to the ring density at a ce...

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An apparatus for receiving a continuous series of rings of a hot rolled product includes: a) a portable container having: i) a vertically disposed cylindrical side wall open at its upper and lower ends; ii) a base at the lower end of the side wall configured to removably locate the container at a co...

A system for cooling a hot rolled steel product at a retarded cooling rate comprises a laying head for forming the product into a continuous series of rings. A conveyor receives the rings from the laying head at a receiving station and transports the rings in a non-concentric overlapping pattern through a cooling zo...

In a modular rolling mill gear units are installed between selected rolling units in place of other rolling units which have removed from the mill pass line to thereby provide a gap in the rolling sequence. Each gear unit is coupled to the drive units previously coupled to the respective removed rolling unit, and is...

An apparatus for urging an oil film bearing onto and off of a roll neck in a rolling mill comprises an annular hydraulically actuated piston/cylinder unit mounted on a cylindrical section of the roll neck. The cylindrical neck section is delimited at one end by a circular shoulder on the roll neck, and at the opposi...

A transport path is defined by a plurality of consecutively arranged separately driven conveyor sections. An plurality of heat treating stations are spaced one from the other along the transport path. Coils are conveyed along the transport path through one or more of the heat treating stations. The speed at which th...

A bearing assembly is disclosed for rotatably supporting a quill in the housing of a rolling mill laying head. The bearing assembly includes first and second axially spaced roller bearing sets interposed between the quill and the housing. The bearing assembly also includes a force exerting unit for applying a radial...

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A laying head for forming a longitudinally moving hot rolled product into a helix, said laying head comprising: a tubular quill having a central axis of rotation and an interior surface surrounding a passagaway extending along said axis and through said quill from a first end to an opposite second end, said interio...

A method is disclosed for continuously rolling a product exiting from an upstream roll stand RSI at a delivery velocity VI higher than the take in velocity V3 of a downstream roll stand RS2. The excess product resulting from the velocity differential between VI and V3 is temporarily accumulated between the roll stan...

An oil film bearing assembly rotatably supports the neck of a roll in a rolling mill. The bearing assembly comprises a housing containing a sleeve bearing and a thrust bearing. A circular lock assembly coacts with the thrust bearing to axially retain the bearing assembly on the roll neck. The lock assembly is axiall...

An oil film bearing is disclosed for a rolling mill roll having a tapered neck leading to a reduced diameter end section. The bearing comprises an internally tapered sleeve received in a seated position on the tapered roll neck. The sleeve is journaled for rotation in a bushing fixed within a chock assembly. A tubul...

A shear (10) for subdividing an elongated product (R) movinglongitudinally in a plane (PH), said shear comprising:leader and follower blades (28, 24) mounted for rotation about parallel axes located on opposite sides of said plane, said blades being arranged to coact in a radially overlapping rel...

1. A method of equalizing the cross sectional area of a product of finite length rolled in a group of roll stands in a rolling mill, said method comprising the steps of:providing first and second roll stands separately driven at rotational speeds and arranged successively along said pass line in advanc...

An apparatus for retaining a bearing assembly on the neck of a rollin a rolling mill, said apparatus comprising:an adaptor element having outwardly projecting adaptor lugs circumferentially separated by first flutes;fastening means for detachably securing said adaptor element to a distal en...

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A billet is rolled in a rolling mill into a first process section in a succession of roll stands arranged along a first pass line. The first process section is either delivered to a cooling bed or alternatively slit into second and third process sections which are subjected respectively to additional rolling...

Successive roll stands in a rolling mill are driven at selectively different drive speed ratios by a transmission system having a pair of drive shafts and a least one idler shaft journalled for rotation about parallel axes. First and second gear trains each include intermeshed drive gears freely rotatable on...