IMS MEASURING SYSTEMS FOR ALUMINIUM HOT ROLLING MILLS IMS MEASURING SYSTEMS FOR ALUMINIUM HOT ROLLING MILLS Aluminium Hot Rolling Mills Rolled from formidable aluminium ingots to millimetre-thin strip strip can reach a length of up to 2,000 m and is wound into a coil in the final step of the hot rolling process. The starting material for hot-rolled end products is usually aluminium rolling slabs. Despite the lower material density of aluminium compared to steel, these reach an impressive total weight of over 32 tonnes with the common dimensions of W = 2,200 mm, L = 9,000 mm and D = 600 mm. As the first production step, these large ingots are first sawn to size and milled, and then reheated in preheating furnaces to a temperature of 500 - 600°C. The demands on the precision of the production equipment of the rolling mills rise at the same rate as the demands on the production capacity and quantity as well as the quality of the end product. Each of these factors is optimised through the use of high-precision, automated measuring and control technology. Another positive effect here is that the reject rate is also significantly reduced through the use of optimally coordinated measuring systems. The ingots thus optimally prepared for the rolling process are rolled down to a thickness of a few millimetres in the various rolling mills, such as reversing and multi-stand tandem finishing mills. The resulting aluminium p. 18-19 p. 24-25 Example: 1+1 Hot Rolling Mill p. 18-19 T p. 20-23 p. 24-25 p. 28-31 T p. 18-19 V / L Thickness / Thickness Profile Temperature Speed 2D Surface Inspection 10 11
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