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Roller for hot rolling of wire rods and the like, and wire-rod and the like, hot-rolling machine provided with said roller

A wire and machine technology, applied in the direction of roll, metal rolling, metal rolling, etc., can solve problems such as the cost impact of concrete steel bars

Inactive Publication Date: 2016-04-27
PERT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Consequently, the periodic change of rolls of the entire hot rolling line becomes a very long and laborious operation leading to long machine downtimes and has a significant impact on the cost of production of concrete reinforcement

Method used

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  • Roller for hot rolling of wire rods and the like, and wire-rod and the like, hot-rolling machine provided with said roller
  • Roller for hot rolling of wire rods and the like, and wire-rod and the like, hot-rolling machine provided with said roller
  • Roller for hot rolling of wire rods and the like, and wire-rod and the like, hot-rolling machine provided with said roller

Examples

Experimental program
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Embodiment Construction

[0023] refer to figure 1 , figure 2 with image 3 , reference numeral 1 generally indicates a machine for hot rolling wire rod and other similar semi-finished steel products, which machine finds particular benefit for use in the production of steel concrete reinforcement.

[0024] In more detail, the machine 1 is configured for hot rolling a wire rod 2 or other similar semi-finished steel product which moves through the machine following a locally substantially rectilinear feed path p.

[0025] The machine 1 for hot-rolling wire rod etc. basically comprises: an outer bearing housing 3 preferably, though not necessarily, of substantially parallelepiped shape and positioned against the wire feed path p; and two rotating bearings Shafts 4, the two rotating support shafts 4 are fixed / mounted in the support housing 3 in an axially rotatable manner, and are drawn from the support housing 3 in approximately mirror-image positions on opposite sides of the wire feed path p. The bod...

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PUM

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Abstract

A wire-rod and the like, hot-rolling machine (1) wherein the two rollers (6) are fitted on respective frustoconical end portions (4a) of as many counter-rotating supporting shafts (4), via interposition of corresponding centring and coupling bushings (7) having a frustoconical internal profile, each of which is fitted on the end portion (4a) of a, respective supporting shaft (4), between the supporting shaft (4) and the corresponding roller (6), and is structured so as to mesh on the supporting shaft (4) so as to be angularly integral to said supporting shaft (4), and so as to be inserted / wedged between the supporting shaft (4) and the roller (6) thus to centre the roller (6) on the supporting shaft (4) and moreover make the roller (6) angularly integral to the body of the supporting shaft (4); each centring and coupling bushing (7) being provided with an annular flange (11) having an eccentric lobe-shaped profile and which cantilevered projects from the outer surface of the bushing (7), at one of the two mouths of the central through hole (6a) of the roller (6), and is designed to engage a corresponding annular groove (6b) with eccentric lobe-shaped profile which is formed on the body of the roller (6) at the mouth of the roller central through hole (6a), and has a shape complementary to that of the annular flange (11).

Description

technical field [0001] The present invention relates to a roll for hot rolling of wire rod or the like and a machine for hot rolling of wire rod or the like provided with said roll. [0002] In more detail, the invention relates to rollers for hot rolling concrete reinforcement and to machines for hot rolling concrete reinforcement. The following description is expressly used by reference to the present invention without implying any loss of generality. Background technique [0003] As is known, concrete reinforcement is obtained by subjecting steel wire rods of substantially circular cross-section to a hot-rolling process which progressively reduces the nominal cross-section of the wire. [0004] The hot-rolling lines used to carry out this particular metallurgical process are usually formed by a reasonable number of rolling mills, often referred to as "rolling mills", one at the other along the wire feed path. The latter are arranged successively, so that each roller pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B27/02
CPCB21B1/16B21B27/024
Inventor 克劳迪奥·通巴马西米亚诺·祖卡托
Owner PERT