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CS Unitec offers special electric drill motors for driving applications including mills, spindles, bar boring, more. Request a free quote today. ... tube rolling and more; Drilling up to 41/2" dia. in steel; HighTorque MultiSpeed Electric Drills and Drill Motors . HighTorque, MultiSpeed: two or fourgeared, variablespeed reversible motors. Driving applications, including mills ...
More than 100 years of process knowhow in hot rolling mills results in better accessibility and higher productivity for your mill. Using the latest technology we help metals manufacturers to fulfill their product demands in both greenfield and modernization and upgrade projects. The ABB control and power system is adaptable to hot strips of various thicknesses and widths, as well as soft to ...
sands of millduty motors remain in operation today, although many have been replaced with lessrugged DC or AC motors. This paper reviews the features of directreplacement AC mill auxiliary motors. Some Observations on AIST Standard No. 1 The AIST Standard No. 1 was last revised in September 1968 and defines mechanical dimensions and torques for frames 802–818 and 620–624. .
The starting torque of DC series motor is very high but limitation is it can not operate in no load condition because if it is operate on no load then due to high to it achieve very high speed and due to this it may damage the rotor. The starting ...
Coupling Of Dc Motor To Hammer Mill. We are a largescale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment milling equipment mineral processing equipment and building materials equipment. Drive For Crusher And Millsovocnaskolkakyjov . drive for crusher and mills . Drive for crusher and mills . Drive For Crusher And Mills ...
Large AC Adjustable Speed Motors for Metals Rolling 8 10/24/2011 4:20:49 PM. 9 Overload Class Mechanical Strength Installation Site, Ambient and Cooling Water Temperature Motors are classified as class 1 or 2 according to the overload capacity specified in JEM 1157 (2002), NEMA MG 123 (1998) compatible, unless otherwise specified. Class 1 motor • A motor that accelerates ...
The rolling mill mainly consists of roller, rolling mill house, bearing package, bearing, workbench, rolling guide, rail chair, roller adjustment device, top roll balance device and roller change device, driving device, Cooling bed, Finishing facilities with cold shear, bundling system with .
Concatenated Induction Motors for Rolling Mill Drive Abstract: The paper describes a sixspeed concatenated induction motor set for driving the finishing rolls of a 12stand continuous mill. Analysis of the conditions in this mill showed that the use of a lowpressure turbine would lead to the waste of a large amount of exhaust steam and that the alternatingcurrent turbine plant which was in ...
Manual Rolling Mill Machine 3" Roller Manual Combination Rolling Mill Flatten Machine Jewelry DIY Tool Equipments Gear Ratio 1:6 for DIY Jewelers Craft professional (Roll presser: 85mm) out of 5 stars 17. Pepetools Ultra Series 110MM Combination Rolling Mill. out of 5 stars 14. 589. 00. FREE Shipping. Durston 130mm Agile Combination Rolling Mill with Reduction Gear. ...
· In a rolling mill looper control system for controlling a looper arm supporting a looper roller adapted to engage a strip of material to be rolled from a first roll stand to a second roll stand, including a directcurrent looper motor for applying torque to said looper arm; a speed regulator for adjusting the speed of at least one of said first and second roll stands to provide a predetermined ...
Motors for Metal Rolling Mills Features and Benefits. Design Feature. Customer Benefit. High strength coil head bracing and connections will withstand magnetic forces under frequent reversing direction of rotation. On squirrel cage motors, an optimal brazing between rotor bars and end rings will permit the motor to withstand the repeated acceleration, deceleration and reversal of rotation that ...
M/s Bharat Elelctricals. Offering Three Phase Rolling Mill Motor, Power: 1500HP, 440V at Rs /piece in New Delhi, Delhi. Read about company. Get contact details and address | .
Rolling Mill Motors: DC – up to 35,000 hp, 10 to 2200 rpm, 600 to 1000 V; Synchronous – 500hp to 100,000 hp, 30rpm to 1800 rpm, 690v to 13,800v, adjustable speed and constant speed; Induction – 250hp to 30,000 hp, 200rpm to 3600 rpm, 690v to 13,800v, adjustable speed; Table Roll Motors and drives . Auxiliary Motors – AC Induction motor drop in replacements for AIST 600 and 800 DC mill ...
The demands of applications like high speed compressors up to 15,900 rpm, subsea pumps, specific injection pumps, rolling mill or ship motors. SIMOTICS HV Series HSmodyn Type of motor: Asynchronous. Power range: Up to 30 MW. Voltage range: Drive converter voltage up to kV. Shaft height: 710 – 1000 mm . Number of poles: 2. Operating mode: VSD. SIMOTICS HV Series HS .
A Hille100 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, 13kNm and 70 rpm respectively. The sensor roll nitrided surface hardness is 65 to 70 HRC. The diameter of the top and bottom roll were mm and the average roughness (R
· The control law is based on tension estimation by using mill motor torque and rolling force etc. and manipulates the speed of an upstream main motor. The major advantages are a reduction in the maintenance requirements of loopers as well as improved tension control accuracy at the top part of the strip. Unsurprisingly, removal of the looper control loop also simplifies a MIMO control problem ...
1250 HP Electric Motors for sale. As a global supplier of motors, we offer different types of AC Motors and DC Motors including Traction Motors, Horizontal Motors, Vertical Motors, Hollow Shaft Motors, NEMA Motors and IEC Motors. Our extensive range of new, used and reconditioned motors are available in many types of enclosures including WP1, WP2, TEFC, TEWAC and TEACC.
We supply motors for hot and cold rolling mills for reversal stands in single and twin assembly, for edgers, finishing and tandem mills in single and duo or quarto assembly for reeling, shear and auxiliary drives. Our product range for this industry comprises: Asynchronous motors with squirrelcage rotor: Torque : 5 – 120 kNm: Number of poles: 6, 8 to 16pole: Synchronous motors solid ...
WEG''s Roller Table was specifically designed for the rolling mill industry, which requires special driving equipment. The roller table is capable of offering optimal performance outputs ... Compare this product Don''t compare this product. roller mill motor / threephase / induction / 690 V DP series. Contact. roller mill motor. DP series. Torque: 23 Nm 2,135 Nm Power: 1 kW 66 kW ...
· This invention relates to a motor drive system for rolling mills of the type used to reduce the thickness of strip material passing through the mill. Rolling mills of the socalled four high type are widely used. Typically, the mill comprises a pair of juxtaposed working rolls between which the strip to be processed passes, the working rolls being driven in opposite directions by powerful ...
Raymond is quite right. However, I''d like to add that often large induction machines are used with variable frequency drives (VFDs) these days, they have similar speed control, smaller footprint and lower operating costs than machines with slip ri...
Drives in steel and rolling mills are exposed to extremely hard demands. Glowing steel, alternating operational modes and overloads spell out a high level of electrical and mechanical strain that calls for very sturdy designs. As a traditional supplier to heavy industry, VEM has developed over decades into a specialist for rolling mill drives. We are your expert business partner both when ...
The energy lost in the form of electrical losses in the motor etc., Torque and Power in Cold Rolling *Power is applied to the rolling mill by applying Torque to the rolls and by using roll strip tension.*The total rolling load is distributed over the arc of contact. *However, the total rolling load can be assumed to be concentrated at a point along the arc of contact at distance ''a'' from ...
· 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 starting torque and speed control such as lifts, pumps, winding machines, presses, line shafts, elevators and compressors etc.
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