Abstract:
A method of lubricating metal articles (6), in particular those made of steel, comprising the application (4) of a dispersion comprising a lubricant oil and a lubricant powder to an article to be drawn. A drawing method comprising the lubrication as described above and a lubricant dispersion.
Abstract:
An elongated steel element adapted for the reinforcement of rubber products is covered with a ternary alloy or quaternary alloy coating of copper-M-zinc. M is one or two metals selected out of the group consisting of cobalt, nickel, tin, indium, manganese, iron, bismuth and molybdenum. The copper content inside the coating ranges from 58 weight per cent to 75 weight per cent. The content of the one or two metals inside said coating ranges from 0.5 weight per cent to 10 weight per cent. The remainder is zinc and unavoidable impurities. The one or two metals are present throughout the coating. Phosphorus is present on and/or in the coating in an amount of more than 1 and less than 4 milligram per square meter of the coating. The coating further comprises one or,ore compounds which complex with the copper in the coating to form an insoluble film on its surface. Good results are obtained for steam ageing and cured humidity adhesion. Furthermore, a corresponding method for manufacturing such an elongated steel element is disclosed.
Abstract:
The present invention comprises a plant (100), for continuously forming a dimension- reduced elongated metal string (B) from a elongated metal workpiece (A). The metal work piece (A) is covered with a powder lubricant (C) at a covering station (11), and dimension- reduced at a downstream machining station (12). Said covering station (11) is co-ordinated with a high voltage generator (13), which electro-statically charges the powder parts in the lubricant, providing a homogeneous, lubricant cover (C) of said metal work piece (A). The electrostatic charge of the powder parts is allocated an appropriate potential according to the properties of the lubricant and the fact that melting temperature of the lubricant is lower than the temperature in the dimensionreducing machining station.
Abstract:
Die Erfindung betrifft ein Trägermaterial zur Ausbildung einer oberflächigen Schmierstoffträgerschicht sowie dessen Verwendung. Weiterhin betrifft die Erfindung ein Verfahren zur Kaltumformung, bei dem eine solche Schicht auf ein zu verformendes Material aufgebracht wird. Mit dem Ziel, die bei bekannten Trägermaterialien auftretende abrasive Wirkung der Schmierstoffträgerschicht auf das umzuformende Werkstück zu minimieren, wird zur Ausbildung der oberflächigen Schmierstoffträgerschicht, ein Trägermaterial eingesetzt, das als zumindest anteiligen Rezepturbestandteil eine organische Verbindung aus der Gruppe der Lactame enthält. Das erfindungsgemässe Verfahren ist kostengünstig, mit hoher Produktivität und Effizienz sowie zumindest mit einem gegenüber den bekannten Verfahren erheblich reduzierten Anteil an Salzkristallen in der Schmierstoffträgerschicht realisierbar.
Abstract:
An aqueous lubricant for use in plastic working of a metallic material which comprises (A) a water soluble inorganic salt and (B) a wax, wherein the components are dissolved or dispersed in water, and wherein a solid concentration ratio (weight ratio) (B)/(A) is 0.3 to 1.5; and a method for forming a lubricant film, characterized in that a lubricant film is formed by applying the aqueous lubricant, preferably in a dried weight of 0.5 to 40 g/m , on the surface of a metallic material having no chemical film formed thereon, followed by drying. The aqueous lubricant preferably further comprises (C) a metal salt of a fatty acid in a solid concentration ratio (C)/(A) of 0.01 to 0.4. The water soluble inorganic salt(A) is preferably selected from among a sulfate, a silicate, a borate, a molybdate and a tungstate. The wax is preferably a natural wax or a synthetic wax which is dispersed in water and has a melting point of 70 to 150 DEG . The metal salt of a fatty acid (C) is preferably obtained through reacting a saturated fatty acid having 12 to 26 carbon atoms with a metal selected from among zinc, calcium, barium, aluminum, magnesium and lithium. The aqueous lubricant can be used for imparting excellent bubricity with ease to the surface of a metal having no chemical film formed thereon.
Abstract:
An aqueous lubricant for use in plastic working of a metallic material which comprises (A) a water soluble inorganic salt, (B) a lubricating agent selected from molybdenum disulfide and graphite and (C) a wax, wherein the components are dissolved or dispersed in water, and wherein a solid concentration ratio (weight ratio) (B)/(A) is 1.0 to 5.0 and (C)/(A) is 0.1 to 1.0; and a method of lubricant film processing of a metallic material, characterized in that a lubricant film is formed by applying the aqueous lubricant in a dried weight of 0.5 to 40 g/m on a clarified metal material, followed by drying. The water soluble inorganic salt(A) is preferably selected from the group consisting of a sulfate, a silicate, a borate, a molybdate and a tungstate. The wax (C) is preferably a natural wax or a synthetic wax which is dispersed in water and has a melting point of 70 to 150 DEG . The aqueous lubricant can be used for imparting excellent bubricity with ease to the surface of a metal having no chemical film formed thereon.
Abstract translation:一种用于金属材料的塑性加工的水性润滑剂,其包含(A)水溶性无机盐,(B)选自二硫化钼和石墨的润滑剂和(C)蜡,其中所述组分溶解或分散在 水,固体成分浓度比(重量比)(B)/(A)为1.0〜5.0,(C)/(A)为0.1〜1.0; 以及金属材料的润滑剂膜处理方法,其特征在于,通过在澄清的金属材料上施加0.5〜40g / m 2的干重量的水性润滑剂,然后干燥而形成润滑剂膜。 水溶性无机盐(A)优选选自硫酸盐,硅酸盐,硼酸盐,钼酸盐和钨酸盐。 蜡(C)优选为分散在水中,熔点为70〜150℃的天然蜡或合成蜡。 水性润滑剂可以用于在其上形成有化学膜的金属的表面上容易地赋予优异的浸渍性。
Abstract:
The invention concerns the use, in a cold drawing lubricating solution, as adhesive and lubricating agent, for a steel wire trimmed with brass and rubber, of an aqueous suspension comprising at least a cobalt and/or nickel salt compound of a saturated or unsaturated carboxylic acid (i), or a phosphate ester (ii), or a cobalt and/or nickel boroacylate (iii); and at least a non-ionic or anionic surfactant; the compound (i), (ii) and/or (iii)/surfactant weight ratio ranging between 0.5 and 10. The invention also concerns said suspension and preparation methods thereof. The invention further concerns a cold drawing lubricating solution comprising said suspension.