# hot strip mill horsepower calculation formula

• ### Asphalt Paving Calculator | Tonnage Calculator | Roadtec

Simply input the length in feet, width in feet, and thickness in inches and our calculator will tell you how much hot mix asphalt you need on your next paving job. Length (feet) Width (feet) Thickness (inches) TOLL FREE: 1.800.272.7100. PHONE: 423.265.0600 FAX: 423.267.7104.

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• ### Milling Horsepower Calculator - CustomPart.Net

Unit power (hp/in³/min) = Spindle horsepower (hp) Spindle horsepower (hp) ÷ Machine efficiency (%) / 100 / 100 = Motor horsepower (hp) Spindle horsepower (hp) × 63,030 × 63,030 ÷ Spindle speed (RPM) = Spindle torque (in∙lb)

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• ### A simplified method to calculate the rolling force in hot ...

May 27, 2016 · It is well known that there are sharp peaks (friction hills) in the specific roll pressure curves predicted by Sims formula and Цeликoв formula which result in large errors for hot rolling. In this paper, a new specific roll pressure formula is derived from the Navier-Stokes equation (N-S equation) by the hydrodynamics method (HM) with assumptions that strip materials take the ...

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• ### How to Calculate Power Based on Force and Speed - dummies

In physics, you can calculate power based on force and speed. Because work equals force times distance, you can write the equation for power the following way, assuming that the force acts along the direction of travel: where s is the distance traveled. However, the object’s speed, v, …

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• ### excell sheet calculation torque speed power for rolling mill

Rolling mill speed calculation formula pdf. rolling mill speed calculation formula pdf Empirical Sealed clean bearings for rolling mill roll neck Todays demands on productivity and quality in hot rolling mills for rod and wire require. The Rolling simulation program for . Chat Now ; Roll pass designDefinitionsLinkedIn SlideShare. 2014/01/08 ...

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• ### HP Calculation - Practical Machinist

Oct 11, 2010 · I could be specific .. for those of who own the Old McDonnel Douglas speed & feed calculator (handed down to me), it says the Power Factor for Aluminum Alloys = 3 and the formula it gives for Req'd H.P is Cu.In/min Divided by P (Power factor) Lets take the previous example of 600feed, 2Radial & .250 Axial it gives

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• ### The Hot Rolling Process - California Steel Industries, Inc.

The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semi-finished steel slabs of steel nearly to their melting point, then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77,000 hp, and finally coiling up the lengthened steel sheet for transport to the next process.

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• ### DEFLECTION CALCULATIONS (from Nilson and Nawy)

Therefore, the total deflection at mid-span of the column strip or middle strip is the sum of three parts: Δ=Δ +Δ+Δcol f col l r, θ θ (9) and Δ=Δ +Δ+Δmid f mid l r, θ θ (10) where the subscripts l and r refer to the left and right ends of the span respectively.

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• ### PDF Tapping Formulas and Calculations - Guhring

132 Technical Tapping Formulas and Calculations ! " ! # \$% & & & \$ % # ...

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• ### Heat rejection for common industrial machinery

processes. In order to use the heat load calculations some general definitions need to be addressed. The calculations will reference the following basic definitions and formulas: One Ton of Refrigeration = 12,000 Btu per Hour One Refrigeration Ton = 3,025 kg calories per …

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• ### Width Control System for Hot Strip Mills Based on ...

This calculation is realized using a formula manipulating procedure and the control performance is same to that by the optimal regulator. The control system based on this algorithm has been applied to the hot strip mill and the width deviation can be remarkably reduced than before.

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• ### Motor loads calculation - Electrical Engineering Centre

How to calculate Motor Loads. Electrical motor loads are calculated from power in kW and full rated load in kW.Following is the formula how to calculate Motor loads. Example : We have 1 unit Induction Motor with 30 horsepower (hp),running with 34.9 amps for amperage load and 460 volts 3 phase and power factor value is 0.75 and motor efficiency ...

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• ### Designing of Hot Strip Rolling Mill Control System

Aimed at the complex demand of hot strip rolling mill in practicing, the configuration of the coiler and the technological process is analyzed. The arithmetic of coiling tension and the control process is introduced. The frame of the tension adjusting system is given. The coiler control system hardware is designed. The system is designed scientifically with steady control and meets demand of ...

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• ### How much carburetor do you need for your application? - Hot Rod

Feb 27, 2017 · The HP is more about street/strip performance and is available in sizes ranging from 650-1,000 cfm. What's more, it has swappable air bleeds and boosters, which make tuning a cinch.

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• ### Equations: Dyno Correction Factor and Relative Horsepower

Mar 01, 2015 · The Ferrari 3.0 liter Formula One engine is rumored to produce about 860 hp at 18,500 rpm. That would be about 1.33 ft-lbs per cubic inch at peak rpm. The 5.86 liter NASCAR Cup engine is reported to produce around 850 hp at 9000 rpm, which is about 1.39 ft-lbs per cubic inch at peak rpm.

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• ### 1910.216 - Mills and calenders in the rubber and plastics ...

Mill roll heights. All new mill installations shall be installed so that the top of the operating rolls is not less than 50 inches above the level on which the operator stands, irrespective of the size of the mill. This distance shall apply to the actual working level, whether it be at the general floor level, in a …

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• ### (PDF) Methodology for Calculation of Rolling Load and Forces ...

Rolling load calculation: 3.1 Properties of Material to be used for Hot Rolling: Material -A36 Mild Steel UTS -400 Mpa Yield Strength -250 Mpa Elongation -20% Carbon -0.26 Density -7800 kg/m^3 Poisons ratio -0.26 Shear Modulus -79.3 Gpa Table 1: Effect of Temp on UTS PASSES TEMPARATURE ( C) ULTIMATE TENSILE STRENGTH (Mpa) 1 1200 91 2 1128 97 3 ...

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• ### Boiler – Fundamentals and Best Practices

Calculate the feedwater composition (impurities) from make up and condensate analysis below Total Hardness M Alkalinity TDS Silica % Condensate Make up 2 200 350 6 Condensate 0 10 15 0 50 Feed water 1 105 182.5 3 Basic Boiler Calculations

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• ### Strip tension measurement | ABB

Strip Tension Measurement ABB’s strip tension system is the perfect choice for measuring strip tension in hot rolling, cold rolling and process lines. Accurate strip tension measurement is a prerequisite for keeping the strip tension constant within the desired range, during both acceleration and deceleration.

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• ### Technical Report UDC 621 . 771 . 237 . 016 . 2 : 62 - 523 ...

In between finishing hot strip rolling mill stands, sometimes the field of vision of the strip steel sheet edge is interfered with by misty ... strip position sensor and the downstream rolling mill stand. The re-sult of the calculation is shown in Fig. 5. Two kinds of disturbance were assumed; a constant value disturbance that corresponds to an ...

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• ### How To Calculate Power Output Of Wind | Windpower Engineering

Jan 26, 2010 · Your calculation is wrong, formula is 0.01328* D^2*V^3. You should have 4 feet squared, and 28mph to the cube: 0.01328*4^2*28^3=4660 KWh/year. Note that 28mph is very hard to achieve, you should use a much more conservative estimate, like 22. Result will be around half, or 2500KWh/year.

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• ### Research on Online Model of Vertical Rolling Force in Hot ...

For low prediction precision of online model for vertical rolling force in roughing trains of hot strip mill, the process of hot strip roughing trains was simulated by the FEM simulation software DEFORM. The cause of low prediction precision of rolling force during vertical rolling was analyzed. Then the new method for calculating deformation degree when edge rolling was presented by analysis ...

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• ### (PDF) Camber and wedge compensation in hot strip rolling

The formula of eq . (7) should be ... Sims, R.B., "The calculation of roll force and torque in hot-rolling mills", ... simulates uneven rolling forces applied in the roughing stages of the hot ...

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• ### Free Horsepower Calculator Compression Ratio Calculator ...

Free Horsepower Calculator. Engine Rear Wheel Horsepower Calculator Based on total vehicle weight and 1/4 mile MPH. To use this horsepower calculator enter the mph trap speed at the 1/4 mile mark from one of your dragstrip ET slips. Then enter the total weight of your vehicle, as …

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• ### Milling Horsepower Calculator - custompartnet.com

Calculate the horsepower required for a milling operation based on the feed rate and depth of cut, which are used to determine the material removal rate (or metal removal rate). Also required is the unit power, which is a material property describing the amount of power required to cut that material. The horsepower at both the spindle and the ...

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• ### Calculating Mill Drive RPMs: Is Your Mill Up to Speed?

Calculating Mill Drive RPMs: Is Your Mill Up to Speed? By Robert A. Sladky Vice President Tube Mill Engineering Many "W" style mills that have the ability to shim up the bottom driven shafts in each section to maintain metal line after tooling is reworked, and are many times also equipped with a individual motor drive in each of the three sections as illustrated below.

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• ### Roll wear prediction model for finishing stands of hot ...

The present paper proposes a wear model for prediction of the wear profile of the rolls at the finishing stands of a hot strip mill. Initially, a roll force model was developed to calculate the roll force at each stand by considering various factors such as the strip thickness and width, mean flow stress (MFS), and roll diameter for each pass.

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• ### POWER IN ROLLING - idc-online.com

The ratio λ = [ a/Lp] = [a/√R.∆t] is used to calculate the moment arm ‘a’ λ =0.5 for hot rolling and 0.45 for cold rolling. The torque is equal to the product of total rolling load and the effective moment arm. Since there are two work rolls Torque Mt = 2P.a Consider two high roll mill as shown in the figure.

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• ### PDF Rolling of Metals

•Roll-strip contact length L •Average strip width w -despite the fact that spreading, or an increase in width, may actually occur if edger mills are not used •Average true stress of the strip in the roll gap Y avg •Assumes no friction and thus predicts lower roll force than the actual value •Power per roll (SI units)= pFLN / 60,000 kW

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• ### Solving problems on the tube mill

A mill alignment usually takes one or two days and is most often done by a professional. Every day, the mill operator should use a setup chart and follow all operating procedures. The operator also should know the chemistry, Rockwell hardness, width, and thickness of the strip entering the mill and should document these values.

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• ### مرکز منطقه ای اطلاع رساني علوم و فناوري - Hot strip mill ...

A hot strip mill setup calculation approach has been developed with particular emphasis on the development of a method of optimizing the load distribution among the stands and on the development of accurate setup models. The calculation system includes mathematical models of temperature and deformation resistance in rolling materials.

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• ### Tapping Formulas and Calculations - Guhring

132 Technical Tapping Formulas and Calculations ! " ! # \$% & & & \$ % # ...

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• ### HOT ROLLING PRACTICE – An Attempted Recollection

classed as sheet, also called "strip" (thickness less than 3 mm,) or plate (thickness more than 3 mm). In profile rolling, the final product is either a round rod or other cross sections shaped products such as structural sections (beam, channel, joist, rails, etc). The initial breakdown of ingots into blooms and billets is done by hot-rolling.

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• ### Calculation of Rolling Load and Torque in the Hot ...

Sep 01, 1962 · This paper presents a completely new approach to the mechanics of the Sendzimir hot planetary rolling mill. Previous work on this subject, by R. Tovini, included determinations for the distribution of the advance of the strip, the draft, the rolling load, the torque and the horizontal backthrust for the whole range of positions which the planetary rolls made, whilst contacting the hot metal.

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• ### Application of Probabilistic Neural Network in the Rolling ...

In this paper, the probabilistic neural network and prediction thought are combined to evaluate hot rolling rhythm. An evaluation model of hot rolling rhythm based on PNN network is established. To verify the validity of the model and predicted results, the PNN network model is applied to practical production of a hot strip mill and proves to be a model of simple structure, fast calculation ...

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