rolling mill drive arrangement arrangement drive mill Prior art date Application number ZAA Other languages English (en) Inventor Hoefer Guenter Kraemer Stefan Braas Volker Lipowski Michael Mueller HeinzAdolf Frandenfels Peter Hafer Joachim Klein Christoph Sundermann Christoph
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The disclosure of this invention relates to a rolling mill wherein the chocks of the work roll on the drive side of the mill are split to enable the work rolls to be removed and replaced while strip is still being passed between the rolls. The chocks of the work rolls on the operating side are nested. The work roll chocks are provided with wheels which, during the roll changing operation, are ...
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In the case of a drive arrangement for a rolling mill, comprising at least one drive motor (M), a main gear mechanism (HG), a pinion gear mechanism (KWG), a rolling stand (G) with working rolls (AW), and the spindles, couplings and the like which connect these components, the main gear mechanism (HG) is a singlestage one and the drive axis (AN) is spaced apart from the output axis (AB) by an ...
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Ask for Price. The 2Hi Cold Rolling Mill are used for rolling of sheets, plates and coils of softer metals like Aluminum, Copper, Brass, Lead etc. to higher thickness (normally above 1 mm). We have manufactured more than 200 such rolling mills ranging from 50 mm width to 2000 mm width running successfully all over India and abroad.
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a hot rolling mill are usually designed based on the type of grades and dimensions of the products and the mill capacity. These have been established over the years based on analytical methods. With modern capability of computer based simulation of the hot deformation process, it is possible to evolve roll groove and pass design in a more ...
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With a view to the wide size range of the hot rolled strip thicknesses from mm to 20 mm, width from 750 mm to 2200 mm as well as the conditions and costs for maintenance of the coiler station, a three roll or a four roll coiler offers a large number of practical benefits. Technical.
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A rolling mill drive with geartype joint spindles arranged between driveable rolls and the gear units of the driveable rolls and equipped with a device for circulatory or pressure lubrication of the gear units. Each spindle has a grooved oil supply ring connectable to an oil supply, wherein oil can be supplied through a central duct of the spindle shaft to the geartype joints, and with a ...
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The invention concerns a drive arrangement for industrial plants, in particular for plants used in the primary industry, said arrangement having at least one electric motor and at least one converter via which the electric motor is connected to an alternating voltage electricity supply system. The converter regulates the activepower input, rotational speed and torque of the electric motor ...
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A drive arrangement for a rolling mill (W), which consists of at least one drive motor (M), a main gearbox (HG), a pinion gear unit (KWG), a mill stand (G) with work rolls (AW), and the couplings, spindles, and the like that connect these components, where, in the main gearbox (HG) a drive shaft (AN) and a driven shaft (AB) are separated by ...
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Rolling mill DC motors are best at low speed, high torque applications, while AC motors typically need to run above 800 rpm to be cost effective. To handle this most drive manufacturers offer ...
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Soft Starting Arrangements Availables For Hot Rolling Mills For Energy Conservation (1) (3), Dr. BAPAT(2) and Dr. GANGULY ABSTRACT The conventional rolling mills in India are producing a major part of structural steel requirement of the country. The energy conservation in these rolling mills can be achieved
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Drive arrangement for the rolls of a rolling mill . May 3, 1977 DavyLoewy Limited. In a rolling mill it is desirable that the torques delivered by the two driven rolls should be the same or at least there should be some predetermined torque differential between them. The torque transmitted by each of the driven rolls is measured and a ...
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Rolling is the most important metal forming process. More than 95% of ferrous and nonferrous metals and alloys are processed to their usable shapes by rolling. Usable shapes of rolled metals are plate, sheet, strip, foil, different sections like rail, beam, channel, angle, bar, rod, and seamless pipe, etc., as shown in Fig. and Fig.
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A passline adjusting mechanism is disclosed in association with the chocks of the lower backup roll of a fourhigh rolling mill. The adjusting mechanism includes an axially slidable adjusting member having vertically stepped surface portions corresponding to each lower backup roll chock, and an inverted channelshaped support member interposed between the chocks and adjusting member.
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DRIVE ARRANGEMENT FOR A ROLLING MILL Info ... Prior art keywords converter drive arrangement circuit motors arrangement according Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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The present invention relates to a drive arrangement for rollpairs having synchronously driven shafts. The inventive drive arrangement includes an alternating current motor (12) and a planetary gear mechanism (13). The invention provides a compact and easily managed drive arrangement for the rolls of a rollpair unit.
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Most existing rolling mills have DC drives; because until recently, AC drives did not have the performance necessary. Since all drives in the rolling train must have similar performance, early attempts at installing some AC stands in a DC rolling train required the detuning of existing DC drives.
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These are: Temperature of the material thus we can have hot rolling (temperature above the recrystallization temperature), warm rolling and cold rolling. Shape of the rolled product flat, sections or hollow sections rolling. Direction of rolling lengthwise, transverse, and skew rolling.
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In this type of Rolling mill, the Direction of the drive is not changed after each pass. It is more Productive and easier with respect to the twoHigh Rolling Mill. ... The arrangement is made in such a way that the whole system achieves exceptional rigidity. MultiHigh Rolling mills are used for making a sheet of minimal thickness. (vi ...
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The present invention relates to a drive arrangement for rollpairs having synchronously driven shafts. The inventive drive arrangement includes an alternating current motor (12) and a planetary gear mechanism (13). The invention provides a compact and easily managed drive arrangement for the rolls of a rollpair unit.
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Drive arrangement for rolling mill Download PDF Info ... Prior art keywords drive stage rolling main transmission constructed Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Figure 1. General arrangement of pinch rolls in hot strip steel mill downcoiler. Both abrasive and adhesive (frictional) wear mechanisms occur in the pinch roll application. The percentage of each of the wear mechanisms depends on the pinch roll material being used. Abrasive wear results when a harder material removes particles from a softer ...
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In the rolling mill, the lower roll position was fixed and the upper roll has to move up and down for proper roll gap adjustment. At a meeting of the designers at the concept phase of design, three possible arrangements were conceived. First arrangement (bevel gear drive arrangement) consists of three pairs of bevel gears.
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The present invention provides an improved mill arrangement for economically and efficiently carrying out the aforesaid object. ... Referring now to FIG. 3, which depicts the back or drive side of the rolling mill, it will be noted that the chocks 19 and 23 of the work rolls 14 and 15 are split in counterdistinction to the nested relationship ...
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Consisting of one or more drive motors (M), main gear units (HG), pinion gear units (KWG), roll stands (G) with work rolls (AW), and couplings, spindles, etc. connecting these components. In the drive device for rolling mills, the main gear unit HG is configured in one stage, and the drive shaft AN is configured with a vertical gap vA directed upward with respect to the driven shaft AB.
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See other industries within the Manufacturing sector: Aerospace Product and Parts Manufacturing, Agriculture, Construction, and Mining Machinery Manufacturing, Alumina and Aluminum Production and Processing, Animal Food Manufacturing, Animal Slaughtering and Processing, Apparel Accessories and Other Apparel Manufacturing, Apparel Knitting Mills, Architectural and Structural Metals ...
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The present invention relates to a drive arrangement for rollpairs having synchronously driven shafts. The inventive drive arrangement includes an alternating current motor (12) and a planetary gear mechanism (13). The invention provides a compact and easily managed drive arrangement for the rolls of a rollpair unit.
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It is used for rolling of two continuous passes in a rolling sequence without reversing the drive. It has higher output rate than twohigh mill. ... The arrangement of fourhigh rolling mill is shown in Fig. (c). Type # 4. Cluster Mill: The cluster mill consists of two working rolls and four or more backing up rolls. The number of backup or ...
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The drive arrangement of claim 1, wherein the at least one torque transmitter comprises at least one coupling selected from the group consisting of autoswitched coupling and externallyswitched coupling. 3. The drive arrangement of claim 2, wherein the autoswitched coupling is a freewheel. 4.
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In a rolling mill it is desirable that the torques delivered by the two driven rolls should be the same or at least there should be some predetermined torque differential between them. The torque transmitted by each of the driven rolls is measured and a measure of the difference between the torques is obtained. Said measure is then used to adjust the angular length of that part of the ...
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The invention concerns a drive arrangement for industrial plants, in particular for plants used in the primary industry, said arrangement having at least one electric motor and at least one converter via which the electric motor is connected to an alternating voltage electricity supply system. The converter regulates the activepower input, rotational speed and torque of the electric motor ...
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Electrical drive, controls and instrumentation plays a very important role in modern rolling mills. A brief section has been devoted to these but their design aspects are beyond the scope of the present treatise. Mill Stand Components and Mechanisms Most type of rolling mill stands have certain common basic components, mechanisms and systems.
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rolling mill drive arrangement arrangement drive mill Prior art date Application number EGA Other languages English (en) Inventor Gunter Hofer Volker Braas Michael Lipowski HeinzAdolf Muller Peter Brandenfels Joachim Hafer Christoph Klein Christoph Sundermann Stefan Kramer
WhatsApp: +86 18838072829![Rolling Mills: 6 Different Types of Rolling Mills [Images PDF]](/ktbo0xj/635.jpg)
In the rolling process, the job is drawn through a set of rolls due to interface friction, and the compressive forces reduce the thickness of the workpiece or change its crosssectional area.. The types of rolls used in rolling mills are depended upon the shape, size, and the gap between the rolls and their contour. Because of workability and limitations in equipment, rolling is done in the ...
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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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