CN109773150A

The present invention relates to steel-fastening detection systems in a kind of positioning of hot scarfing machine slab head and cleaning, it is made of PLC system, laser range finder, gage …

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JPH07251265A

(57) [Summary] [Object] The present invention provides a scarfing method for preventing the occurrence of surface flaws when performing slab scarfing immediately after continuous …

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Scarfing & Lancing | SEEYEN Technical Services (Pvt) Ltd

Scarfing The process to thermo-chemically melt-scalp flaws and impurities developed on the surface of the steel block by using fuel gas and oxygen to hold a high quality in steel material …

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SCARFING

Slab Width Scarfing Depth Slab Thickness Material Temperatur Material Weight Approx. 2,000,000+ Up to 4 sides While all GEGA equipment and installations are custom made …

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Scarfing

Removing surface defects in billets and slabs by using an oxyacetylene torch or by chipping and grinding the steel. See also ID scarfing. If you have any comments or questions …

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Numerical Investigation of the Cleaning Flame Jet and Formation …

It can improve cleaning quality and working efficiency and create conditions for the slab's hot delivery and hot charging process. Scarfing is a complex thermochemical process in …

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Slab flame cleaning machine pinch roll device

The utility model relates to a slab flame cleaning machine pinch roll device, include relative preceding pinch roll device that sets up in both sides and back pinch roll device around the …

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CN202344100U

The utility model belongs to the technical field of metallurgy, in particular relates to an oxygen and coal gas separation in a hot scarfing machine, which is composed of a distributor main body, a …

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Finite Element Analysis on Inclusion Migration during …

Slivers on the surface of rolled plates, which are serious defects for interstitial-free (IF) steel, occur mainly as a result of inclusions in continuous casting (CC) slabs. It is, therefore, important to study inclusions in CC slabs in …

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Effect of cleaning parameters on the molten pool shape and …

It is reported that the world's first set of corner flame cleaning devices for continuous casting slabs in Masteel, China, officially launched. This slab corner flame scarfing device, …

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Mastering the technology and equipment in the slab hot-scarfing …

Oxygen-converter shop No. 1 at the Novolipetsk Metallurgical Plant has mastered the conditioning of slabs on hot-scarfing machines made by the Union Carbide Corporation. The machinery …

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JPH0857635A

CONSTITUTION: In the hot scarfing of three surfaces except the lower side of the slab by using a four-surface hot scarfing equipment for the slab of rectangular section, the lower nozzle …

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AN INTRODUCTION TO THIN SLAB TECHNOLOGIES

• Direct transfer of slab to rolling mill is the most important factor in reducing energy consumption. 5. Thin slab casting and rolling system design and control: Thin slab production requires …

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Evertz Manual and machine flame scarfing

The flame scarfing machines we implement were developed in house by Egon Evertz KG. We offer flame scarfing machines of all sizes and which operate semi-automatically with a vast …

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Improvement of bloom surface quality in the hot scarfing process

A hot scarfer is used to remove bloom surface defects in the blooming mill. To manufacture bar and wire rod products with a good surface quality, it is important to maintain …

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Method for hot-scarfing steel slab- …

Method for hot-scarfing steel slab,,。PROBLEM TO BE SOLVED: To reduce rescarfing of a partial scarfing part, to flatten a steel …

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Development of Hot Slab Surface Defect Detecting Device

Nippon Steel developed a high-accuracy hot slab surface defect detecting device utilizing the high resolving power of photographs as a means of quality assurance in the hot …

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Continuous Casting Consortium Report to POSCO

conducted from the hot slag coating into the slab is 5.4% while that from the scarfing reaction is 10.3%. The simulations clearly explain the measurements and suggest practical implications. …

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A Study to Relate Slab Surface Defects with FeO-Type Slivers in Hot

Steelmaking and casting processes, slab conditioning by scarfing and grinding, reheating of slabs, hot rolling and mechanical handling can all be the causes of generation of …

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Hot scarfing machine leak detection method

The invention discloses a kind of hot scarfing machine leak detection method, belong to the scafing device air leakage detection system technical field of steel billet.Detection method of …

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Numerical Investigation of the Cleaning Flame Jet and …

Unlike the flat surface scarfing process, the flame jet and the shape of the molten pool have an essential impact on the effectiveness of the flame cleaning in the corner of the casting slab.

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SCARFING

GEGA Scarfing Machines eliminate of all surface defects on slabs, blooms or billets, right from the start, with no need for post-scarfing. In order to produce steel products in an …

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Modeling Steel Slab Heat Transfer During Scarfing Processing

Modeling Steel Slab Heat Transfer During Scarfing Processing Xiaoxu Zhou Brian G. Thomas ... slag_B is a tuning parameter accounting for the fraction of heat conducted from the hot slag …

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Evertz Manual and machine flame scarfing

Slab scarfing: All surfaces, narrow sides and selective scarfing at speeds between 8 and 25 m/min. Scarfing widths from 100 mm to 450 mm; Water-cooled torches with customized designs ensure long reliable service life; Instant ignition using …

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Modeling Steel Slab Heat Transfer During Scarfing Processing

Scarfing Processing • Steel slab from continuous casting exhibits surface defects, including inclusions, pits and cracks • Selectively-scarfing slab edges can remove corner cracks 1. …

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Finite Element Analysis on Inclusion Migration during Hot …

steel slab were tracked during hot rolling using a node-tracking method. The distribution of inclusions in the hot-rolled plate was revealed. To reveal the e ffectiveness of the "scarf-ing" …

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scarfing_scarfing_____ …

scarfing,scarfing, [´skɑːfɪŋ] scarfing：n.,；；,scarfing,scarfing,scarfing …

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Continuous Casting Consortium Report to POSCO

conducted from the hot slag coating into the slab is 5.4% while that from the scarfing reaction is 10.3%. The simulations clearly explain the measurements and suggest …

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CN207414297U

CN207414297U CN201721255483.5U CN201721255483U CN207414297U CN 207414297 U CN207414297 U CN 207414297U CN 201721255483 U CN201721255483 U CN …

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Method for hot-scarfing steel slab

PROBLEM TO BE SOLVED: To reduce rescarfing of a partial scarfing part, to flatten a steel slab, to prevent the development of surface flaw, etc., and to improve the quality by scarfing the …

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Mechanism of crack initiation and propagation in high-alloy steel slabs

Furthermore, we simulated the scarfing slab and identified the alloying element responsible for crack propagation in the slab during the scarfing process. ... A hot press …

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TMS Careers

Our innovative scarfing system flames away all surface defects from the face, sides, edges and corners of the slab. With our torch-positioning technology, the robotic scarfing system combines the flexibility of manual techniques with the …

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