Advantages Cost saving due to consumption of chemicals being reduced by approx. 30 % No rinse water, no overflow water No water treatment, no chrome reduction or decontamination No chromic hydroxide sludges to be discharg......Advantages Cost saving due to consumption of chemicals being reduced by approx. 30 % No rinse water, no overflow water No water treatment, no chrome reduction or decontamination No chromic hydroxide sludges to be discharged to special dumps Avoidance of aerosols and vapours containing chromate hence no damage to health Reduced expenses of staff, industrial instrumentation and of measuring instruments for operator’s control and maintenance Optimal adaptation of coat thickness and its homogeneity within the micron range Increase in strip surface throughput rates to a maximum of 460 m2/min at strip speeds of 200 m/min Reduction in installation space and in drying times by abt 50 % as compared to conventional processes No strip heating required, because the processing temperature of abt 50°C is already attained in the preceding cleaning stage Special Features Stainless steel rolls, highly resistant to corrosion hence long lifetime Motorized fine adjustments of the rolls, enabling precise positioning (abt 1 micron) hence reproducible coat thicknesses Linear position sensors for reproducible setting of stored reference values even if the product is changed Frequency controlled roll drives for optimum adaptation of the roll peripheral velocity to the line speed Passline roll used to keep the strip flat for two-side coating Mobile coater heads to facilitate roll and vat removal, cleaning and maintenance work, and presetting of specific production parameters.
