Computer-aided roll pass design for continuous billet mill . Computer-aided roll pass design for continuous billet mill. Authors Authors and affiliations A model has been used to calculate pass design of a finishing train of a continuous billet mill producing 60 mm square billet from 120 mm square bloom.
This book discusses as well the different types of rolls for various rolling mills, including blooming, plate, sheet, sheet bar, small section, heavy product, skin passing, and cold rolling mills. The final chapter explains the purpose of roll pass design to ensure the maximum output at minimum cost as well as to reduce the roll wear to a minimum.
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Roll pass design Unknown Binding – January 1, 1930 by W Trinks (Author) See all formats and editions Hide other formats and editions Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device ...
blooming mill[′blü·miŋ ‚mil] (metallurgy) A rolling mill for making blooms from ingots. Also known as cogging mill. Blooming Mill a high-capacity rolling mill for the reduction, into blooms, of steel ingots of large cross section, with masses up to 12 tons and larger. In some cases a blooming mill is used for the rolling of slabs and also shaped ...
using an FEM model during the initial passes in a blooming mill, as a function of three different pass schedules, roll groove depth, collar taper angle and corner radius. The simulations predicted the effective strain penetration, load, torque, ﬁsh tail billet end shapes, and metal ﬂow behaviour at a chosen temperature, mill rpm and draft.
motors. These are known as mill stands. The layout of a rolling mill varies, from a simple single stand mill to several stands positioned either side by side or in a line. A mechanism, commonly called a roller table, directs the work piece to the rolls, and another roller table for handling the pieces emerging out of the roll.
Mar 27, 2003· The 10-pass example should be fine if you're running non-notched, postcut mild steel. If the section is notched, precut, or high-strength material, you'll need more passes to achieve desired results. Additional passes allow the material to flow through the mill with less strain. Design the Layout and Roll Tooling
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the roll. In traditional English units, the total power can be expressed as Power (in hp) = 5.13 Where F is in pounds and L is in feet. Example: A 300-mm-wide strip 25-mm thick is fed through a rolling mill with two powered rolls each of radius = 250 mm. The work thickness is to be reduced to 22 mm in one pass at a roll speed of 50 rev/min.
Numerical simulation in roll pass design for bar rolling ... of a hot rolled micro-alloyed steel bar of grade 38MnVS6 was examined using an FEM model during the initial passes in a blooming mill ...
Newton's substitution method has been used to solve the equation. With known reduction between consecutive passes, geometrical dimension of square and diamond passes are computed. A model has been used to calculate pass design of a finishing train of a continuous billet mill producing 60 mm square billet from 120 mm square bloom.
Steel - Steel - Billets, bars, and rods: Billets are the feedstock for long products of small cross section. In cases when they are not directly cast by a continuous caster, they are rolled from blooms by billet mills. One method of rolling billets, which are usually 75 to 125 millimetres square, is to use a three-high mill with box passes, as shown in A in the figure.
The roll pass design of a whole rolling line for round bars can be carried out successfully using the actual PC. The present work examines the computer aided roll pass design of round bars. It deals with the roll pass design strategy of roughing sequences with heavy stretch and finishing sequences.
May 18, 2015· Roll pass design in continuous bar mills 1. African Foundries Ltd. Lagos, Nigeria Presented by Rahul Kishore 2. Basics of Rolling A rolling mill consist of several, at least two rolls cylindrical or nearly cylindrical bodies which are termed as "roll" and which rest in bearings at their ends. The normal and average center distance from the center of one roll to the center of o
Rolling is done both hot and cold. It is accomplishes in rolling mills. A rolling mill is a complex machine having two or more working rollers, supporting rollers, roll stands, drive motor, reducing gear, flywheel, coupling gear etc. Rollers may be plain or grooved depends upon the shape of rolled product.
Automated Procedure for Roll Pass Design Article (PDF Available) in Journal of Materials Engineering and Performance 18(3):263-272 · April 2009 with 15,972 Reads How we measure 'reads'
Feb 08, 2019· Hello friends, in this video I have discussed about the roll pass design of rolling mill and it's various key features. This is the first part of video next is coming tomorrow. Tags:-roll pass ...
Feb 25, 2016· The rolling sequence of a roll pass design is subject to the limitations applied by the rolling load, the roll strength and the torque available for rolling. Roll pass design is also to ensure ...
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In a metal rolling process, rolls, stands, bearings, housing, motors, and other mechanical equipment are all a necessary part of the manufacturing operation. The place where all the equipment for metal rolling manufacture is set up is called a rolling mill. Rolling mills often vary in …
After a roll change or a mill stop rolls need some time to return to stable thermal conditions, every new bar entering the mill creates an impact, ... and sometimes there are really severe rolling accidents, due to faults by operators, weak rolled materials with internal defects, or because
Within the framework objectives of the Arab Iron and Steel union to pay attention to human development and raise the administrative, organizational and technological skills of engineers and Technicians in steel industry and associated industries, AISU is implementing a training program in "Rolling Technology and Roll Pass Design" from 23 to 27 September 2018.
Mar 09, 2018· Watch how an optimum roll pass design leads to the distribution of loads across rolls, ensuring better rolling quality and reduction in specific power consumption. United Nations Development ...
rolling mill pass design Jing, Limei 2001 Rolling mill roll design, Durham theses, Durham University. Mill, motor and the whole process of roll pass design. Roll pass design is a set of methods for determining the dimensions, shape, number, and type of arrangement of rolling mill passes. Development of a rational
Individual drives for the mill rolls ensure regulation of the rolling speed and simplify the set-up of the mill and the roll-pass design. Continuous billet mills of very high capacity are in operation in the USSR; their output can be as high as 5 million tons of billets per year (1970).
Roll Pass Design. satyendra; June 18, 2014; 0 Comments ; Long products, roll grooves, Roll pass, Roll pass design, rolling mill, rolls, sections,; Roll Pass Design Long products are normally rolled in several passes, whose numbers are determined by the ratio of the initial input steel material (square or round billet or bloom) and final cross section of finished product.
worked on the design and pro - duction of bearings for rolling mills and gathered extensive experience in this field. This is presented in the present publication. A designer of rolling mills will find here the principles for selection and calculation of roll neck bearings. Their mounting and maintenance is also covered in detail. For any
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