TH65516B - Methods and lubrication equipment for smoothness control applications. And / or the roughness of the metal strip - Google Patents

Abstract

DC60 The invention involves methods and equipment for applying lubrication to the Smooth control And / or the roughness of the metal strip in the outlet of the cold-rolled platform by measuring at At least one amount of lubricant per unit time applied to the metal strip in the inlet. Of cold rolling platform To improve the quality of cold rolled metal strips with respect to their smoothness and / or roughness. It has been proposed according to this invention that The amount of lubricant used is measured in terms of The quantitative distribution on the width of the metal strip per unit time according to the control deviation at Detected between the true and desired smoothness distribution on the band width. Metal in the outlet of the cold-rolled platform Or the control deviation between the distribution of True and desired roughness on the width of the metal strip in the cold-rolled platform outlet or a combination of two control deflections. The invention involves methods and equipment for applying lubrication to the Smooth control And / or the roughness of the metal strip in the outlet of the cold-rolled platform by measuring at At least one amount of lubricant per unit time applied to the metal strip in the inlet. Of cold rolling platform To improve the quality of cold rolled metal strips with respect to their smoothness and / or roughness. It has been proposed according to this invention that The amount of lubricant used is measured in terms of The quantitative distribution on the width of the metal strip per unit time according to the control deviation at Detected between the true and desired smoothness distribution on the band width. Metal in the outlet of the cold-rolled platform Or the control deviation between the distribution of True and desired roughness on the width of the metal strip in the cold-rolled platform outlet or a combination of two control deflections.

Claims (7)

Disclaimer (all) which will not appear on the notice board: 22 August 2017 1. Method for controlling the flatness of metal strips (400) in the outlet of the cold-rolled platform (300) with appropriate measurements. Of quantity It is used with the metal strip in the inlet of the cold-rolled platen of at least one lubricant (200) in the form of a quantitative distribution on the width of the metal strip (400) per unit time, which is characterized by being measured. Take action according to the difference Detected control (e-RHV) during true surface roughness distribution. And targets on the width of the metal strip (400) in the outlet of the cold-rolled platform (300) ----------------------------- -------------------------------------------------- -------------------------------------------------- ------------ 1. Methods for smoothing control And / or the roughness of the metal strip (400) in the outlet of the cold-rolling platform with an appropriate measurement of the amount of one (200) lubricant per unit time spent on the metal bar in the cold-rolling platform inlet Which has the characteristics The applied amount of lubricant (200) is measured as a quantitative distribution over the metal strip width (400) per unit time according to the detected control deviation (e.PLV) during the dispersion. Of the actual and desired smoothness on the width of the metal strip (400) in the outlet of the cold-rolled platform Or control deviation (e.PLV) during the distribution of The actual and desired roughness on the width of the metal strip (400) in the cold-rolled platform outlet (300) or a combination of two control deviations. 2. Methods according to claim 1 with The unique characteristics are The amount of lubricant used (200) varies in the range of 1-20 ml / min / 100 mm of the width of the metal strip (400). 3. The unique Claim No. 1 or 2 method. Is The measured quantity is in the form of Hierarchical control with an internal control circuit for the quantitative distribution is used where the desired value for the quantitative distribution (Soll-MV) is determined with help. Of overlapping control circuits on the basis of each or many or all of the characteristics from the group of inlet specification (P1), cold-rolled frame specification (P2) and outlet side and by monitored control deviation. Found (e.PLV) during distribution Of the desired and true smoothness Control deviation (e.PLV) between the desired and true roughness distribution. Or a combination of two parts 4. A unique approach to claim 3 is: The metal strip (400) inlet specification (P1) group includes velocity there, width there, material, and specifics there. 5. The method for claim 3 or 4 that is characteristic is A group of specifications cold rolling platens (P2) consist of working roller diameter. The roughness of Operating roller Working roller material And the control (camber) of the rollers. 6. Method of claim 3, 4 or 5 that are unique. The group of metal bar (P3) exit characteristics (400) contains the speed there. Width there The lubricant residual components on the surface per unit length in the direction of transportation. Distribution of a smoothness in that direction of width And the distribution of Rough in that width direction. 7. Method according to claim 6 that is unique. The default values change upper and / or lower for The residual component of the lubricant on the outlet side is determined. 8. Methods of which Claim 3 to 5 are characterized as at the inception of Methods for determining the first of the required values for the quantitative distribution, the true flatness distribution, and the true-scale distribution, each The subject is pre-adjusted to the appropriate initial value, for example zero 9. Method according to one of the previous claims. Unique is that the metal strip (400) is cooled only on the outlet side. But not on the inlet side of the cold-rolled platform. Whose characteristics are Many lubricants (S1, S2, S3) at each of which characterize a reduction in the friction coefficient in The extrusion channel of the cold rolling platform (300) is contained and a measure of the quantitative distribution of the lubricant (200) used to hold the metal strip at low time units. And on the width of the metal strip is given Effects of the optimum mix of existing lubricants (S1, S2, S3) and from the air in With respect to the required coefficient of friction in the extrusion channel 1. 1. Method according to any one of the previous claims. Characteristically, a metal strip (400) consists of a steel or a non-ferrous metal strip, for example an aluminum strip 1. 2. Means according to any of the previous claims. Its characteristic is the size of the extrusion channel. Of the cold-rolled platen is kept stable during the entire processing time of the bar (400) 1 3. Means according to any one of the previous claims. Whose characteristics are In the inlet of the cold rolling platform a lubricant is applied to the top. And or below the metal bar And / or with rollers Operate at least one of the 1 cold-rolled stand. 4. A computer program that contains programming code for control devices (120) of devices for Used to apply lubricant (100) which has the characteristics This program code will be set for Perform any of the procedures in Claims 1 to 13 1. 5. Data carrier with computer program according to claim 14 1 6. Equipment for lubricant (100) consisting of a container (160) for lubricant. At least one (S1, S2, S3) nozzles (100) with multiple nozzles (100-i), with nozzles arranged on the inlet side of the cold rolling platform. (300) across the direction Of the transport of metal strips (400) for measuring lubricants (S1, S2, S3) on metal strips per unit time and control devices (120) for proper control of the nozzles (110-i) of the nozzle beam. (110) which is characterized as A smoothness sensor (130-1) is built into the outlet of the cold-rolled platform (300) for detecting the fragmentation. True smooth on the width of the metal strip. And / or a roughness sensor (130-2) is built into the outlet side for detecting the distribution of roughness at Indeed, on the width of the metal bar (400) and the regulator (120), it is set up in conjunction with the nozzle (110) to measure at least one lubricant (S1, S2, S3) dispersed in foot The amount of metal strip width (400) and per unit time according to the detected control deviation (e-PLV) between the true and desired smoothness distribution on the Width of the metal strip (400) in the cold-rolled platen (300) or control deviation (e-PLV) between the actual and desired distribution of the roughness on the metal strip width (400). In the cold-rolled platform outlet or a combination of the two control deviations 1 7. Lubrication Equipment (100) According to Claim 16, it is unique that the Lubricant Apparatus is set to be operated in accordance with any of Claims 1 through 13.