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flow chart of plc used in rolling mill

process of rolling mills

2016-2-25 · Rolling – The important parameters for rolling in the roughing, intermediate, and finishing group of stands in the rolling mill are temperature, percentage of reduction in area, inter-pass time

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rolling mill - an overview | sciencedirect topics

A Hille-100 rolling mill with rolls of 225 mm diameter and 254 mm length, driven by a variable speed DC motor of 75 horse power, was used. The maximum rolling force, torque and speed are 1500kN, 13kN-m and 70 rpm respectively. The sensor roll nitrided surface hardness is 65 to 70 HRC

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flow stress evaluation in hot rolling of steel | springerlink

2014-5-20 · In this paper, an inverse analysis technique is used to obtain the flow curve of materials in a hot rolling finishing mill. This technique is based on minimization of the differences between the experimental and computed values. The flow curves and the friction coefficients at roll/work-piece interface are derived from two different models

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steel process flow_lines - slideshare

2010-11-5 · Reversing mill — Rolling mill designed so the direction the rolls are turning can be reversed following each pass of material. This rotation can be repeated until the desired reduction is attained. Roughing stand — Mill used for preliminary rolling. Sendzimir mill — Named after its inventor. Thaddeus Sendzimir. It is a cold reduction mill

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types of rolling process in manufacturing industry

2019-8-13 · F) Skew Rolling. This is a process similar to roll forging. Typically used for making ball bearings. In this process, round wire or bar is fed directly into specially designed rollers which continuously form spherical balls by rolling action. Used

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hot strip mill - an overview | sciencedirect topics

2021-8-3 · This type of testing materials is the most suitable when the data are to be used to analyse large-strain processes, such as a slab would experience during its journey through a hot strip mill, while it is being reduced from a thickness of about 300 mm to a final thickness of about 1–2 mm. Finite strains of 400–500% can be obtained easily, allowing the simulation of the complete history of hot rolling, including the phenomena at the roughing mill

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roll bending - an overview | sciencedirect topics

This concerns metal flow in the first few passes of the slab through the roughing train of a hot strip mill where the strip thickness is in the order of 200–300 mm and the work rolls maybe 1 m or more in diameter, leading to a roll diameter/strip thickness ratio in the order of 3–5. In the finishing train this ratio increases by at least an order of magnitude and the plane-strain assumption becomes acceptable

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design and plc implementation of complex industrial

2021-8-6 · A steel rolling mill produces a sheet of uniform thickness from a slab of steel. It typically consists of several rolling stages, with rollers in each stage compressing the sheet of steel passing through it (Figure 1). In between the roller stages, looper stages

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cold rolling - an overview | sciencedirect topics

Cold rolling reduction is an important factor that affects drawability of IF steel. It has been observed that increasing cold rolling reduction increases the r m value, at least up to 90% [34].This effect has been shown in Fig. 5.14.Perhaps the most important parameters in the production of a strong {111} recrystallization texture are the annealing temperature and the time of holding [35]

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plc program for flow totalizer | plc programming flow meter

2021-7-1 · Make PLC program to implement totalizer for flow meter. The flow meter has 4-20mA output that represents 0 to 100 liters/hour fuel flow in a pipe. By using this logic, we can calculate total fuel passed from the pipe. When totalizer value will reach to 5000

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12 basic motor types used for industrial electric drives | eep

2020-7-4 · 7. Slip Ring Induction Motor. It has high starting torque and large overload capacity. The speed of slip ring induction motor can be changed up to 50% of its normal speed. Slip ring induction motor is used for those industrial drives which require high

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