SPROCKET HARDENING PADDING WELD COMPOSITE WIRE AND SPROCKET

PROBLEM TO BE SOLVED: To provide a sprocket hardening padding weld composite wire suitable for a sprocket of a sintering machine excellent in abrasion resistance, elastic deformation and crack resistance, and capable of suppressing the elastic deformation of a sprocket, and cracks, and extending a r...

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Bibliographische Detailangaben
Hauptverfasser:	MAEDA TAKASHI, KIMURA RYUSHI, YAMAMOTO SEISHI, INOHARA AKIHIRO, KITAGAWA TSUYOSHI, WATANABE KAZUTOMI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sprocket hardening padding weld composite wire suitable for a sprocket of a sintering machine excellent in abrasion resistance, elastic deformation and crack resistance, and capable of suppressing the elastic deformation of a sprocket, and cracks, and extending a repair cycle to elongate longevity.SOLUTION: In a sprocket hardening weld composite wire of a downward suction type sintering machine, the wire consisting of a low carbon steel hoop material and a filler, the composite wire contains, by mass%, 1.0-2.5% C, 3.0-8.0% Ti, 3.0-8.0% Cr, 0.5-3.0% Mo, 0.5-5.0% Ni, and further contains either one kind or two kinds of 0.1-1.0% V, 0.4-2.0 Nb, and the remainder consists of deoxidizers and inevitable impurities of Fe and Si, Mn.SELECTED DRAWING: Figure 2 【課題】耐摩耗性、耐塑性変形性および耐亀裂性に優れ、スプロケットの摩耗や塑性変形、亀裂を抑制することが可能であり、補修周期を延ばし長寿命化を図ることができる、焼結機のスプロケットに適したスプロケット用硬化肉盛溶接複合ワイヤを提供する。【解決手段】低炭素鋼フープ材と充填剤とからなる、下方吸引式焼結機のスプロケット用硬化肉盛溶接複合ワイヤにおいて、上記複合ワイヤが質量％で、Ｃ：１．０〜２．５質量％，Ｔｉ：３．０〜８．０質量％，Ｃｒ：３．０〜８．０質量％，Ｍｏ：０．５〜３．０質量％，Ｎｉ：０．５〜５．０質量％を含有し、さらに、Ｖ：０．１〜１．０質量％，Ｎｂ：０．４〜２．０質量％のいずれか１種または２種を含有し、残部がＦｅおよびＳｉ，Ｍｎの脱酸剤および不可避的不純物からなる。【選択図】図２