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group of motor for machine trafilatrici with intermediate chains and method of tensioning of the chain intermediate
group of motor for machine trafilatrici with intermediate chains and method of tensioning of the chain intermediate
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机译:带有中间链的机器牵引线电机组和张紧中间链的方法
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摘要
A drawing assembly for drawing machines for metal products (B) comprises two tracks (11) opposite each other and counter-rotating that collaborate with said metal products (B) on opposite sides with respect to a drawing axis (X) to draw them along said drawing axis (X) The tracks (11) are disposed in a closed ring around respective support plates (13), and an intermediate chain (15) is interposed between the track (11) and the corresponding support plate (13). Each support plate (13) includes at least two guide segments (18; 118), lateral, having a convex shape externally mating with the curve of the intermediate chain (15). The drawing assembly (10) comprises, for each intermediate chain (15), an automatic tensioning device (21) provided with at least one thruster member (22) acting on a respective one of the guide segments (18; 118) in order to exert constantly upon it a distancing thrust, to keep it constantly in contact with the corresponding intermediate chain (15).
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