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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In some roll bearing arrangements, the same axial bearing is fitted on both the drive end and the operator's end. This gives simpler stockholding. ... Sealed multirow tapered roller bearings Work roll bearing arrangements in hot and cold rolling mills are to be effectively sealed against large quantity of water or roll coolant which is ...
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The selection of the proper size of input bloom to be rolled in Billet Mill. It depends upon the size of output requir ed, number of stands in the mill, speed and power of motors and capacity of shear to cut the minimum and maximum cross section. Generally, input bloom size for present day billet mill is taken around 300 mm x 300 mm.
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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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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
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Shearing Process and Shears. Shearing is a simple process used for the cutting of metals. It is basically a metal fabrication process and is being used in rolling mills at several places for hot as well as for cold cutting of the steel material. Shears can be used to cut steel and other materials of any size or shape.
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Segmentation pinch roll used in rolling mill line. The pinch roller device is arranged at the foldout flying shear machine outlet. The device can be adapted to tilt the layout of the upper ...
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A rollpair has synchronously driven shafts and a drive arrangement. The drive arrangement comprises an alternating current motor (12) and a planetary gear mechanism (13). The alternating current motor (12) and the planetary gear mechanism (13) are disposed in sidebyside relationship, the alternating current motor (12) having an output shaft and the planetary gear mechanism (13) having an ...
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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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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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Mill drive train layout and nominal rolling torques determine shafts diameters, motor and rolls rotating inertias and gearboxes ratios. Drive trains dynamics simulation has been fulfilled for TAF ...
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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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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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As the considerable drive torque is generated immediately at the wheel, a light drive shaft is sufficient. Planet wheel bearing arrangement The planet wheel bearings must provide a high load carrying capacity in a limited space. This is achieved by means of assemblies where the outer ring raceway is integrated in the planet wheel.
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drive main gearbox stage drive arrangement rolling mill 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.) Active, expires Application number US11/991,119 Other languages
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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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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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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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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 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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What is claimed is: 1. In an electrical control arrangement for controlling the speed of a rolling mill driving motor having an armature winding and a field winding supplied with electrical current from a supply network, the driving motor being coupled to and driving rolls of a rolling mill for manufacturing hollow blocks, the control arrangement including a speed controller for controlling ...
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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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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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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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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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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 ...
WhatsApp: +86 18203695377
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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The arrangement of twohigh rolling mill is shown in Fig.(a). Type 2. ThreeHigh Rolling Mill: ... Such small diameter working rolls make a drive practically impossible. Therefore, they are driven by friction through an intermediate row of driving rolls that are, inturn, supported by a raw of backup rolls. ...
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As the driving power behind a troughed belt conveyor, the drive assembly is a critical component in a conveyor's ability to perform reliably and efficiently in the long term. Also known as the drive arrangement, the drive assembly is what supplies the torque to create the necessary motion for the pulley to move the conveyor belt.
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A 3 High Rolling Mill consists of three rolls and is typically used for either performing multiple reduction passes by wrapping material around the center mill roll, or for bonding of dissimilar stacked material passed through the mill. Three High Rolling Mills can also be used for flattening of expanded metal sheets.
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Cross sectional view of arrangement is given in the figure The rolling mills could be either reversing or nonreversing type. In the reversing type, which is the most common one, the direction of motion of the rolls can be reversed, and therefore the work can be fed into the mill from both sides by reversing the direction of rotation of ...
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