cold mill roll force calculation

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cold mill roll force calculation

Establishment and Numerical Analysis of Rolling Force Model

2023年6月22日 This paper considers key influencing parameters such as friction lubrication, stress, tension, and roll-flattening radius during the rolling process and establishes a calculation model for the friction coefficient and roll-flattening radius.

Dynamic rolling force modeling of cold rolling strip based on

2020年5月14日 The expressions of the unit normal pressure in the front-slip zone and the backward slip zone were obtained by considering the boundary conditions at the entry

Online calculation model of rolling force for cold rolling mill based ...

2012年7月19日 This rolling force model has been applied to a 5-stand tandem cold mill and the relative error of rolling force prediction is within ±4.1%, which proves the model

Theoretical Analysis of Rolling Force during Cold

Establishment and Numerical Analysis of Rolling Force Model

2023年6月22日 By iteratively applying the rolling force calculation formula and the roll flattening radius calculation formula to decouple them, ... Pan, D. Influence of intermediate roll shifting on strip shape in a CVC-6 tandem cold mill based on a 3D multi-stand FE model. Int. J. Adv. Manuf. Technol. 2022, 121, 4367–4385.

Simplified theories of flat rolling—I. The calculation of roll ...

1996年6月1日 Mech., Trans. ASME 61, A54 (1939). 15. M. D. Stone and J. I. Greenberger, Rolling pressure in strip mills. Iron Steel Engr 61 (Feb. 1943) 16. E. Orowan, The calculation of roll pressure in hot and cold ... The calculation of roll-force and torque in cold strip rolling with tensions. Proc. Inst. Mech. Engrs, 159 (1948), p. 144. View ...

A novel approach for the rolling force calculation of cold rolled

2017年4月4日 To check the accuracy of rolling force model, the calculation process has been programed and applied in the control system of one 1450 mm cold tandem mill in a domestic factory of Tangshan. The slabs were reduced from 1.8–4.0 mm to 0.18–0.5 mm, and the diameter of the work roll was 400.0 mm. Figure 12 shows the mill layout and

Rolling Force Calculation - YouTube

2020年9月2日 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...

Calculation of rolling pressure distribution and force based on ...

PDF On Dec 1, 2014, Shuixuan Chen and others published Calculation of rolling pressure distribution and force based on improved Karman equation for hot strip mill Find, read and cite all the ...

Mathematical model for cold rolling based on energy method

2016年11月8日 i − 1 is roll separating force calculation using Eq. and roll flattening radius received in the previous step. i − 2 is roll flattening radius calculation using Eq. and roll separating force gained in the previous step. The values of roll separating force and flattening radius under iteration times in stand no. 5 are shown in Fig. 5 based ...

Analysis of rate dependency on roll force calculation during hot strip ...

2019年1月23日 There is shear effect in thick plate rolling, but it is negligible in strip rolling process. 7 Finite element method 8 serves as an indispensable tool for rolling force prediction, but its calculation cost is unbearable for online use. 9 Karman equation 10 remains to be one of the most welcomed roll force models. Le and Sutcliffe 11

Mechanics of Cold Rolling of Thin Strip IntechOpen

2010年11月25日 The effect of the strip widths on the work roll edge contact force is more complex. In the calculation, the strip entry and exit thickness are 0.17 mm and 0.12 mm respectively, the friction coefficient is 0.1 and the work roll bending force is zero. The strip widths of 80, 100, 120, 140, 160 and 180 mm were introduced in the analysis.

Modeling and validation of bending force for 6-high tandem cold

2022年9月28日 As shown in Fig. 3, the UCM 6-high cold rolling mill is based on the ordinary 4-high cold rolling mill with the addition of an intermediate roll that can shift laterally between the work roll and the backup roll.Through the hydraulic roll bending system, applying a variable bending force to the end of the work roll or intermediate roll

Roll Separating Force - an overview ScienceDirect Topics

15.3.1.2 AISI 1008 Steel Cold Drawn. The roll separating forces obtained in a single-stage pass of 55% reduction and two two-stage passes of 14/39% and 20/33.6% reduction are given in Figure 15.4, measured when rolling the softer AISI 1008, deep-drawing quality steel. Figures 15.2 and 15.4 are quite similar. The dynamic response of the mill is ...

Selection of Work Roll Diameter for Cold Rolling Mill* - J-STAGE

roll driving system will improve with increasing roll diameter. Figure 2 shows an example of the relation between required rolling torque and the maximum transmissible torque on a specific cold rolling mill. In this paper, theoretical calculations of roll force,

Advances in Mechanical Engineering 2019, Vol. 11(1) 1–8 Analysis

2018年10月17日 Analysis of rate dependency on roll force calculation during hot strip rolling based on Karman equation Xiawei Feng , Xiaochen Wang, ... method in the context of asymmetrical cold rolling. Based on the assumption that the plate is ... CSP hot finishing rolling mill,20 as shown in Figure 1. It consists of seven-stand four-high rolling ...

Theoretical Analysis of Rolling Force during Cold Rolling with Roll ...

2023年5月24日 A precise prediction of the rolling force is critical to ensure the quality of the final product, especially in the cold rolling of thin strips. Based on this, a new mathematical model is developed to work out the rolling force when considering the roll crossing angle and work roll shifting values at speed ratios of 1.1, 1.2 and 1.3. An

The Calculation of Roll Force and Torque in Cold Strip Rolling

From an approximate theory, equations are derived for roll force and torque with and without front and back tensions applied to the strip. Where tensions are applied the calculations for each pass take about an hour; without tensions, and with the use of curves given in this paper, they can be carried out in ten minutes. The accuracy of the

(PDF) Computer program for the calculation of roll force and

1993年5月1日 Roll force is considered as an important segment in the process of design dog bone and slit pass grooves. Actual readings from the industrial rolling field were fed to the model to verify the ...

(PDF) A Calculation Procedure and Optimization for Pass

2020年2月6日 The calculation process was programed and applied in the control system of one 1450 mm cold tandem mill successfully, the prediction results was in good agreement with the actual measured ones ...

Analysis of rate dependency on roll force calculation during hot strip ...

(PDF) Simulation Model of Cold Rolling Mill - ResearchGate

2020年6月1日 Abstract and Figures. This work deals with the simulation model of multi-machines system as cold rolling mill is considered as application. Drivers of rolling system are a set of DC motors, which ...

Online calculation model of rolling force for cold rolling mill

2012年5月1日 Based on comprehensive consideration of elastic and plastic deformation of both strip and work roll, an online rolling force model for tandem cold rolling mill has been developed by numerical ...

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