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Dear All,I'm new to the whole motion control thing, so I need you to bear with me.I want to know exactly How to read a servo motor Name Plate (see attached pic), How to determine the motor power in order to select the suitable drive, and I would reall
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
How do you calculate rpm of each stand motor in a continuous re-bar rolling mill please tell me formula for this?
How we calculate the actual diameter of the TMT Steel. ALLInterview. Categories | Companies ... Take 1m ling TMT Bar weight it. weitht = d*d/162 (We have weight, find the diameter) ... Calculate actual diameter of steel with vernier caliper. steel density 7850 kg per cu m is theoretical weight but on site it's different base on steel cast ...
The whole bar rolling mill line adopts full continuous rolling and non-twist rolling, and the roughing mill and intermediate mills adopt micro-tension rolling. After the 12th rolling mill, vertical loopers are set up between the stands to implement tension-free rolling, thus producing high-precision products.
May 12, 2015· There is a simple formula to calculate the weight as follows. Section Weight as per IS 1786 Item square /162 = kg/ mtr weight For Example – calculation of 8 mm and 16 mm TMT BARS will be as follows : 8 X 8 / 162 = 0.395 kg/mtr weight 16 X16 / 162 =.
Where F is in newtons, L is in meters, and N is the revolutions per minute of 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.
"This state-of-the-art volume examines steel-rolling technology in a systematic and comprehensive manner--providing an excellent synthesis of current information from three different branches of science--physics, metallurgy, and engineering.
SK Super TMT, the structural engineers 1st choice for best quality TMT construction steel in Karnataka. SK Super TMT introduced Integrated Rolling & eco-friendly technology for manufacturing high quality TMT steel bars to meet the quality requirements of the structural engineers in Karnataka.
The controlled thermomechanical treatment also results in a uniform and thick tempered martensitic rim, completely free from internal stress. This martensitic rim improves the corrosion resistance as well as fatigue strength of the Shyam Steel TMT Re-bars Fe 500D when compared to other TMT Re-bars. Cost Advantage. Ast = 0.85xMxD/fy where,
Cut n Bend Bars. Recognising the need for a customised solution, the company has developed the concept of ready-to-use steel through its innovative product, cut n bend bars. The ready to build customised TMT bar solution customises the lengths of the rebars and bends them at required angles in accordance with the given project requirements.
Concast India pioneered the Continuous Casting technology in India in 1973.Having led the way ever since, Concast India is now synonymous with high-quality continuous casters. Concast India has erected and commissioned over 500 casters thus far. The foremost steel manufacturers, both in India and abroad,trust Concast India 's expertise and ...
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The Study of Continuous Rolling Mill Inter-stand Tension Inferential Control Systems Article (PDF Available) in Procedia Engineering 129:231-238 · December 2015 with 3,528 Reads How we measure ...
Nov 21, 2016· COLUMN QUANTITY: Let us consider there are 4 columns of size 230 x 350 mm and no of bars in each column is 6 and bar diameter is 12 mm and stirrups spacing is 150 mm c/c. Consider Length of column above ground level is 3 M and below ground is 2 M....
Automated Procedure for Roll Pass Design. ... The results of the calculation, applied to steel bars, show a good agreement with the geometrical data found in the technical literature or pertaining ...
Nov 27, 2015· Understanding Rolling Process in Long Product Rolling Mill ... In a continuous mill, speed matching the stand to achieve a constant mass flow through the mill assures a low cobble rate and fewer defects. ... Using the working diameter of the rolls, the roll rpm (revolutions per minute) is matched to the bar speed through the mill. As the rolls ...
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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.
The number of manufacturing companies of basic iron and steel (re-rolling mills) industries amounts to 17 with employment of 2405 persons. The re-rolling mills use imported continuous cast billets to manufacture various diameters and length of iron bars that are used for reinforcing concrete structure.
Jan 06, 2018· c) Equipped with water quenching system (WQS) the mill is designed for TMT Bars according to all international standards. d) High hourly production (high speed & slitting technology).
Jul 29, 2010· Roll Pass Designing in Continuous Bar Mills 1. Presented by ANSAR HUSSAIN RIZVI Manager (Production) Roll Pass Designing in Continuous Bar Mill ... In this case the constant is about 1050, i.e., if you know the areas, you can immediately calculate the exit speeds. And, you have no problems in setting the speed at each stand, as each stand has ...
This shall sense the exact RPM of the finishing roll. The mill operator shall decide the length of the bar to be cut, the exact roll dressed and shall feed the data to the MMI (Man Machine Interface). One no. H.M.D. (Hot Metal Detector) is installed after the finishing mill, which shall see the incoming bar and give signal to the shear.
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 calculating the empty gap unloaded stand. Speed calculation is a function of finishing speed, area of the bar,
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